CN203472069U - Hot flow channel system for color changing needle valve - Google Patents
Hot flow channel system for color changing needle valve Download PDFInfo
- Publication number
- CN203472069U CN203472069U CN201320465102.1U CN201320465102U CN203472069U CN 203472069 U CN203472069 U CN 203472069U CN 201320465102 U CN201320465102 U CN 201320465102U CN 203472069 U CN203472069 U CN 203472069U
- Authority
- CN
- China
- Prior art keywords
- hole
- mold insert
- distribution plate
- flow distribution
- needle valve
- 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
Links
Images
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses a hot flow channel system for a color changing needle valve. The hot flow channel system for the color changing needle valve comprises a main pumping nozzle, a flow distributing plate, an insert, a needle valve, a needle valve power device and a hot nozzle, wherein the insert is arranged at the connection position between a flow channel of the flow distributing plate and a flow channel of the hot nozzle; a flow distributing plate hole in the insert is connected with the flow channel of the flow distributing plate; a hot nozzle hole is connected with the flow channel of the hot nozzle; an inward concave positioning sleeve groove is formed in the upper end of the insert; a positioning sleeve is arranged in the positioning sleeve groove; a meson is arranged above the positioning sleeve; the positioning sleeve is pressed in the positioning sleeve groove by the meson. The secondary positioning can be provided for the needle valve by the positioning sleeve; when the insert fails to position, the needle valve is positioned by the positioning sleeve. If the positioning sleeve or the needle valve also fails, a corresponding part is required to be replaced, and the cost is lower than the cost spent on replacing the insert.
Description
Technical field
The utility model relates to colour changing needle valve hot flow passage system.
Background technology
In TOP-TIP, needle valve system can be controlled weld mark, deformation of products, and the extensive use of cast gate Er Bei attractive in appearance enterprise.The variation of plastic cement products color is also the demand in market.Traditional colour changing needle valve hot flow passage system inner flow passage dead angle is more, and the injection moulding that realize different colours product need to be wasted a large amount of melts and be carried out flushing flow passage, and the colour changing cycle is long, and wastage of material is serious; Meanwhile, for thermal sensitivity plastics, the dead angle in runner easily causes the decomposition of material, jaundice.These are by the development of constraint needle valve type hot runner system, and the colour changing of solution needle valve type hot runner system is difficult, runner Dead Core Problems is extremely urgent.
For this reason, applicant improves for the runner of colour changing needle valve hot flow passage system, has increased the mold insert with a cambered surface.Solved that needle valve type hot runner system colour changing is difficult, the problem at runner dead angle.But, because melten gel in colour changing needle valve hot flow passage system is larger to mold insert impact, add needle-valve and move in needle valve hole, all can cause the wearing and tearing of mold insert, thereby make needle-valve locate coarse problem.And if change mold insert, cost is higher and change also inconvenient.
Utility model content
In order to overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of low cost, holds easily changeable colour changing needle valve hot flow passage system.
For addressing the above problem, the technical scheme that the utility model adopts is as follows:
A colour changing needle valve hot flow passage system, comprises that main purt is chewed, flow distribution plate, mold insert, needle-valve, needle-valve power set, Re Zui; Main purt is chewed, flow distribution plate and Re Zui are equipped with the runner passing through for melten gel, and main purt is chewed He Rezui and is connected on flow distribution plate and three's runner is communicated with; Mold insert inside is provided with the shunting plate hole with the circulation of flow distribution plate runner, chew with heat the Re Zui hole that runner circulates, and the needle valve hole passing through for needle-valve, shunting plate hole, Re Zui hole and needle valve hole interconnect, shunting plate hole, Re Zui hole and needle valve hole connecting portion are provided with arcwall face, make to shunt plate hole and heat and chew hole circle slip; Mold insert is located at flow distribution plate runner and is chewed the connecting portion of runner with heat, and the shunting plate hole in mold insert is connected with flow distribution plate runner, and heat is chewed Kong Yure and chewed runner connection; Needle-valve is located in the needle valve hole of mold insert, can move up and down and enter Re Zui, and can block or open the cast gate of heat in chewing; The movement that needle-valve power set are needle-valve provides power; Mold insert upper end is provided with the location grooving of an indent, and positioning sleeve is located in the grooving of location, and positioning sleeve top is provided with a meson, and meson is pressed on positioning sleeve in the grooving of location.
In this mold insert, establish arcwall face, while making this mold insert runner hole of melten gel process in runner, change smoothly flow direction, in runner, without the dead angle of Tibetan glue, can realize quick colour changing, solved the problem that region, the needle back side rushes glue difficulty, the possibility of having avoided runner inner accumulated melten gel to cause melten gel to decompose.
Positioning sleeve can provide location for the second time for needle-valve, in the situation that locate failure appears in mold insert, by positioning sleeve, is provided the location of needle-valve.If also there is situation about losing efficacy in positioning sleeve or needle-valve, only need to change corresponding parts, than changing mold insert, there is lower cost.
By meson, positioning sleeve is fixed in the grooving of location, make positioning sleeve and mold insert provide dual location for needle-valve.
Further, mold insert runs through flow distribution plate, and mold insert lower end is provided with annular boss, boss side surfaces is provided with dowel hole, flow distribution plate is provided with corresponding draw-in groove, is provided with stop pin and connects dowel hole and draw-in groove, the correct installation that guarantees mold insert that coordinates by alignment pin with dowel hole.
Further, mold insert top is connected on flow distribution plate by freezing.
Mold insert top and flow distribution plate freeze in aggregates, can effectively avoid the leak generation of glue situation.
As another mounting means of mold insert, mold insert is connected on flow distribution plate by nut.
By nut, be fixedly connected with, can simplified processing process, save production cost.
As another embodiment of mold insert, mold insert length is less than the thickness of flow distribution plate, and mold insert lower end is provided with sealing ring, and flow distribution plate is provided with the groove that mold insert is installed, and mold insert is embedded on flow distribution plate.
Further, arcwall face is to start to finish to Re Zui hole from needle valve hole, and needle valve hole forms a supporting surface with respect to flow distribution plate hole.Supporting surface in needle valve hole provides a support for needle-valve, has avoided the impact of the mobile melten gel of flow distribution plate runner high speed to needle-valve.
Accompanying drawing explanation
A kind of colour changing needle valve hot flow passage system work schematic diagram that Fig. 1 the utility model provides;
A kind of mold insert scheme of installation that Fig. 2 the utility model provides;
A kind of insert structure figure that Fig. 3 the utility model provides;
The another kind of mold insert scheme of installation that Fig. 4 the utility model provides.
1, main purt is chewed; 2, flow distribution plate; 21, flow distribution plate runner; 22, draw-in groove; 3, Re Zui; 4, needle-valve; 5, mold insert; 51, location grooving; 52, dowel hole; 53, shunting plate hole; 54, Re Zui hole; 55, needle valve hole; 56, boss; 57, supporting surface; 6, meson; 7, positioning sleeve; 8, needle-valve power set; 9, stop pin; 10, sealing ring.
The specific embodiment
As shown in Figure 1 to Figure 3, a kind of mold insert 5 that is applied to colour changing needle valve hot flow passage system, mold insert 5 inside are provided with the shunting plate hole 53 with 21 circulations of flow distribution plate runner, chew with heat the Re Zui hole 54 that runner circulates, and the needle valve hole 55 passing through for needle-valve 4, shunting plate hole 53, Re Zui hole 54 and needle valve hole 55 interconnect, and shunting plate hole 53, Re Zui hole 54 and needle valve hole 55 connecting portions are provided with arcwall face, make to shunt plate hole 53 and are connected with Re Zui hole 54 is round and smooth.
The more excellent embodiment of mold insert 5 is that arcwall face is to start 54 end to Re Zui hole from needle valve hole 55, a supporting surface 57 of relative shunting plate hole 53 formation of needle valve hole 55.Supporting surface 57 in needle valve hole 55 provides a support for needle-valve 4, has avoided the impact of the mobile melten gel of flow distribution plate runner 21 high speeds to needle-valve 4.
By establish arcwall face in mold insert 5, while making this mold insert 5 runner hole of melten gel process in runner, change smoothly flow direction, make runner in mold insert 5 without the dead angle of hiding glue, the quick colour changing of feasible system, solved the problem that needle-valve 4 regions, the back side rush glue difficulty, the possibility that can effectively avoid runner inner accumulated melten gel to cause melten gel to decompose.
As shown in Figure 1, a kind of needle-valve 4 TOP-TIPs of applying without dead angle mold insert 5, comprise that main purt chews 1, flow distribution plate 2, mold insert 5, needle-valve 4, and needle-valve power set 8, heat chew 3; Main purt chews 1, flow distribution plate 2 and heat are chewed 3 and is equipped with the runner passing through for melten gel, main purt chew 1 and heat chew 3 and be connected on flow distribution plate 2 and three's runner is communicated with; Mold insert 5 is located at the connecting portion that flow distribution plate runner 21 and heat are chewed runner, and the shunting plate hole 53 in mold insert 5 is connected with flow distribution plate runner 21, and Re Zui hole 54 is chewed runner with heat and is connected; Needle-valve 4 is located in the needle valve hole 55 of mold insert 5, and can move up and down and enter heat and chew 3, and can block or open heat and chew the cast gate in 3; Needle-valve power set 8 provide power for the movement of needle-valve 4; Shunting plate hole 53 in mold insert 5 is provided with arcwall face with Re Zui hole 54, the mold insert 5 that makes to flow through from flow distribution plate runner 21 enters the melten gel that heat chews runner and flows more level and smooth and smooth, simultaneously, supporting surface 57 in needle valve hole 55 provides a support for needle-valve 4, this supporting surface 57 has effectively been resisted the impact of melten gel, avoid the impact of the mobile melten gel of flow distribution plate runner 21 high speeds to needle-valve 4, avoided needle-valve 4 to deform and the card pin that causes.
The first mold insert 5 mounting structures as shown in Figure 2, mold insert 5 runs through flow distribution plate 2, mold insert 5 lower ends are provided with annular boss 56, boss 56 sides are provided with dowel hole 52, flow distribution plate 2 is provided with corresponding draw-in groove 22, be provided with stop pin 9 and connect dowel hole 52 and draw-in groove 22, the correct installation that guarantees mold insert 5 that coordinates by alignment pin with dowel hole 52.
During assembling, mold insert 5 is placed in flow distribution plate 2, stop pin 9 inserts in the dowel hole 52 of mold insert 5 and the draw-in groove 22 of flow distribution plate 2, guarantees the shunting plate hole 53 and flow distribution plate runner 21 Dock With Precision Positions of mold insert 5.
The second mold insert 5 structures as shown in Figure 4, mold insert 5 length are less than the thickness of flow distribution plate 2, and mold insert 5 lower ends are provided with sealing ring 10, and flow distribution plate 2 is provided with the groove that mold insert 5 is installed, and mold insert 5 is embedded on flow distribution plate 2.
No matter adopt the first mold insert 5 structures or the second mold insert 5 structures, mold insert 5 upper ends are provided with the location grooving 51 of an indent, positioning sleeve 7 is located in the grooving 51 of location, and positioning sleeve 7 tops are provided with a meson 6, and meson 6 is pressed on positioning sleeve 7 in the grooving 51 of location.By meson 6, positioning sleeve 7 is fixed in the grooving 51 of location, make positioning sleeve 7 and mold insert 5 provide dual location for needle-valve 4.When damaging appears in mold insert 5, only need to change positioning sleeve 7 and needle-valve 4, by positioning sleeve 7, position to needle-valve 4, just can guarantee the normal operation of needle-valve 4, be convenient to maintenance and strengthened interchangeability.
Mold insert 5 tops can be connected on flow distribution plate 2 by freezing.Mold insert 5 tops and flow distribution plate 2 are freezed in aggregates, can effectively avoid the leak generation of glue situation.Mold insert 5 also can be bolted on flow distribution plate 2.By nut, be fixedly connected with, can simplified processing process, save production cost.
Above-mentioned embodiment is only preferred embodiment of the present utility model; can not limit with this scope of the utility model protection, the variation of any unsubstantiality that those skilled in the art does on basis of the present utility model and replacement all belong to the utility model scope required for protection.
Claims (6)
1. colour changing needle valve hot flow passage system, comprises that main purt is chewed, flow distribution plate, mold insert, needle-valve, needle-valve power set, Re Zui;
Main purt is chewed, flow distribution plate and Re Zui are equipped with the runner passing through for melten gel, and main purt is chewed He Rezui and is connected on flow distribution plate and three's runner is communicated with;
Mold insert inside is provided with the shunting plate hole with the circulation of flow distribution plate runner, chew with heat the Re Zui hole that runner circulates, and the needle valve hole passing through for needle-valve, shunting plate hole, Re Zui hole and needle valve hole interconnect, shunting plate hole, Re Zui hole and needle valve hole connecting portion are provided with arcwall face, make to shunt plate hole and heat and chew hole circle slip, and mold insert is located at flow distribution plate runner and the hot connecting portion of chewing runner, and the shunting plate hole in mold insert is connected with flow distribution plate runner, heat is chewed Kong Yure and is chewed runner connection;
Needle-valve is located in the needle valve hole of mold insert, can move up and down and enter Re Zui, and can block or open the cast gate of heat in chewing;
The movement that needle-valve power set are needle-valve provides power;
It is characterized in that, mold insert upper end is provided with the location grooving of an indent, and positioning sleeve is located in the grooving of location, and positioning sleeve top is provided with a meson, and meson is pressed on positioning sleeve in the grooving of location.
2. colour changing needle valve hot flow passage system according to claim 1, it is characterized in that, mold insert runs through flow distribution plate, mold insert lower end is provided with annular boss, boss side surfaces is provided with dowel hole, flow distribution plate is provided with corresponding draw-in groove, is provided with stop pin and connects dowel hole and draw-in groove, the correct installation that guarantees mold insert that coordinates by alignment pin with dowel hole.
3. colour changing needle valve hot flow passage system according to claim 1, is characterized in that, mold insert length is less than the thickness of flow distribution plate, and mold insert lower end is provided with sealing ring, and flow distribution plate is provided with the groove that mold insert is installed, and mold insert is embedded on flow distribution plate.
4. according to the colour changing needle valve hot flow passage system described in claim 2 or 3, it is characterized in that, mold insert top is connected on flow distribution plate by freezing.
5. according to the colour changing needle valve hot flow passage system described in claim 2 or 3, it is characterized in that, mold insert is bolted on flow distribution plate.
6. colour changing needle valve hot flow passage system according to claim 1, is characterized in that, arcwall face is to start to finish to Re Zui hole from needle valve hole, and needle valve hole forms a supporting surface with respect to flow distribution plate hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320465102.1U CN203472069U (en) | 2013-07-31 | 2013-07-31 | Hot flow channel system for color changing needle valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320465102.1U CN203472069U (en) | 2013-07-31 | 2013-07-31 | Hot flow channel system for color changing needle valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203472069U true CN203472069U (en) | 2014-03-12 |
Family
ID=50220470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320465102.1U Expired - Fee Related CN203472069U (en) | 2013-07-31 | 2013-07-31 | Hot flow channel system for color changing needle valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203472069U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106426800A (en) * | 2016-09-23 | 2017-02-22 | 东莞市热恒注塑科技有限公司 | Large hot runner system without interfering system operation after glue leakage |
| CN110370555A (en) * | 2019-07-05 | 2019-10-25 | 中山市富晟特热流道科技有限公司 | A kind of colour changing nozzle point of hot flow path |
| CN111438894A (en) * | 2020-05-23 | 2020-07-24 | 金鑫 | Efficient core-spun injection mold |
| CN113601798A (en) * | 2021-05-31 | 2021-11-05 | 上海西门子线路保护系统有限公司 | Injection system |
-
2013
- 2013-07-31 CN CN201320465102.1U patent/CN203472069U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106426800A (en) * | 2016-09-23 | 2017-02-22 | 东莞市热恒注塑科技有限公司 | Large hot runner system without interfering system operation after glue leakage |
| CN106426800B (en) * | 2016-09-23 | 2019-05-24 | 东莞市热恒注塑科技有限公司 | A kind of leak adhesive large-scale hot runner system that interference system is not run |
| CN110370555A (en) * | 2019-07-05 | 2019-10-25 | 中山市富晟特热流道科技有限公司 | A kind of colour changing nozzle point of hot flow path |
| CN111438894A (en) * | 2020-05-23 | 2020-07-24 | 金鑫 | Efficient core-spun injection mold |
| CN113601798A (en) * | 2021-05-31 | 2021-11-05 | 上海西门子线路保护系统有限公司 | Injection system |
| CN113601798B (en) * | 2021-05-31 | 2023-01-13 | 上海西门子线路保护系统有限公司 | Injection system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203472069U (en) | Hot flow channel system for color changing needle valve | |
| CN104972596A (en) | Forming device and forming method for plastic product | |
| CN206170584U (en) | Hot runner system hot nozzle cooling device | |
| CN202922890U (en) | Injection molding mold with simple structure | |
| CN204977287U (en) | Most advanced inclined plane enters gluey hot runner system | |
| CN203680647U (en) | Forming device for plastic product and air conditioning panel manufacturing by forming device | |
| CN202318784U (en) | Integral hot runner system | |
| CN202702558U (en) | Hot runner cooling device | |
| CN205148815U (en) | Detect reagent box cover mould internal heat cutter constructs | |
| CN201792459U (en) | Valve needle sealing device of needle valve-type hot runner die | |
| CN206999522U (en) | A kind of more nozzle core side glue mouth TOP-TIPs | |
| CN203198161U (en) | Three-plate mold structure | |
| CN202162962U (en) | Hot runner system with valve needle | |
| CN205467068U (en) | Mould gating system | |
| CN205915602U (en) | Hot nozzle of copper clad steel combination formula bimetal | |
| CN205343667U (en) | Injection mold multiple spot into gluey mechanism of inclining | |
| CN203472066U (en) | Improved hot runner mold | |
| CN205364405U (en) | Runner position adjustable hot runner system | |
| CN202668893U (en) | Injection mold provided with multipoint gate runner system | |
| CN207696949U (en) | Novel diversion plate valve needle plug | |
| CN207156343U (en) | A kind of bloom is exempted to spray grill forming die | |
| CN202781635U (en) | Injection mold | |
| CN204123599U (en) | A kind of multi-thread row's split locate mode mould | |
| CN220911132U (en) | Cold installation hot runner system structure for integral hoisting | |
| CN203391221U (en) | Novel hot runner system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Dong Pengpeng Inventor after: Yuan Guande Inventor before: Dong Pengpeng |
|
| COR | Change of bibliographic data | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140312 Termination date: 20200731 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |