CN209504785U - Needle sealing set and the hot runner system with it - Google Patents
Needle sealing set and the hot runner system with it Download PDFInfo
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- CN209504785U CN209504785U CN201822221287.7U CN201822221287U CN209504785U CN 209504785 U CN209504785 U CN 209504785U CN 201822221287 U CN201822221287 U CN 201822221287U CN 209504785 U CN209504785 U CN 209504785U
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- needle sealing
- sealing set
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Abstract
The utility model provides a kind of needle sealing set, is sleeved on the periphery of needle, including needle sealing set ontology and copper member, and needle sealing set ontology is at least partly embedded in flow distribution plate, and needle sealing set ontology includes the bottom end and opposite top for being bonded flow distribution plate；Copper member is set to the periphery of needle sealing set ontology, and the top of copper member is flushed with the top of needle sealing set ontology, and the height of copper member is less than the height of needle sealing set ontology.The utility model additionally provides the hot runner system including above-mentioned needle sealing set.Copper member is arranged outside ontology by covering in needle sealing in the utility model, utilize the excellent heat dissipation performance of copper member, needle sealing covers it can facilitate stable installation with needle, effectively sealing, reduce runner plate be conducted to above valve needle cover temperature, prevent strike-through, and the utility model has easy disassembly, advantage simple and compact for structure, low in cost.
Description
Technical field
The utility model relates to Hot runner Technology fields, are related to needle sealing set and the hot runner system with it.
Background technique
Needle sealing set is an important sealing accessory in all needle valve systems.In existing needle valve type injection-moulding device
Needle and valve needle cover are usually all simple circular hole cooperations, and needle and circular hole lower end exit inevitably generate abrasion,
Especially when needle bears unbalanced injection pressure in injection moulding process, this abrasion will more acutely, after circular hole abrasion
Caused result is exactly leak adhesive, influences to be molded effect, and waste material.
The intermediate precision hole of needle sealing set is needle matching hole, and tip exterior external screw thread is disassembly screw thread, and side has one
Turn hole until a pin hole, lower end precision position are also the important position of sealing.This structure be anti-locking system leak adhesive, convenient disassembly and
Design, but still have leak adhesive and dismantle difficult situation and occur.
Currently used valve needle cover has the following disadvantages: that 1, needle sealing set is interference tolerance fit and is that manpower beats
Installation, leak adhesive is easy to appear in injection moulding process, leads to not produce, seriously reduces production efficiency；2, repair demolition is compared
Difficulty increases the cost of man power and material；3, the heat conduction of hot runner system may cause leak adhesive phenomenon.
CN206937850U is changed to screw-type connection by the lower end for covering its needle sealing and bottom increase is reached with coincidence
To sealing effect, be threadedly coupled have tightness make its it is stronger avoid leak adhesive, but do not overcome because of hot flow path system
The system possible leak adhesive phenomenon of heat transfer.
Utility model content
The purpose of this utility model is to provide a kind of needle sealing sets；
The another object of the utility model is to provide the hot runner system with above-mentioned needle sealing set.
To achieve the above object, on the one hand, the utility model embodiment discloses a kind of needle sealing set, is sleeved on needle
Periphery, including needle sealing set ontology and copper member, the needle sealing set ontology be at least partly embedded in flow distribution plate, institute
Stating needle sealing set ontology includes the bottom end and opposite top for being bonded the flow distribution plate；The copper member is set to the valve
Needle sealing covers the periphery of ontology, and the top of the copper member is flushed with the top of needle sealing set ontology, the copper
The height of element is less than the height of needle sealing set ontology.
As the further improvement of the utility model embodiment, the copper member is configured to cylindric copper sheathing, described
Copper sheathing is sheathed on the outer peripheral surface of the needle sealing set ontology.
As the further improvement of the utility model embodiment, needle sealing set ontology from top to bottom end successively
Including first part and second part, the outer diameter of the second part is greater than the outer diameter of the first part, and the copper sheathing is at least
It is sheathed on the first part.
As the further improvement of the utility model embodiment, the outer diameter of the outer diameter of the copper sheathing and the second part
It is equal.
As the further improvement of the utility model embodiment, the copper sheathing is sheathed on the first part and second
Point.
As the further improvement of the utility model embodiment, the needle sealing set ontology further includes Part III,
The Part III is set to the bottom end of the sealing set ontology and connect with the second part, the outer diameter of the Part III
Greater than the second part.
As the further improvement of the utility model embodiment, the outer peripheral surface of the Part III is provided with sealing spiral shell
Line, and be fixed on the flow distribution plate by sealing threaded connection.
As the further improvement of the utility model embodiment, the copper member is configured to copper sheet, and the copper sheet has
Curvature identical with the needle sealing set outer peripheral surface of ontology, and be covered on the outer peripheral surface of the needle sealing set ontology.
On the other hand, it includes flow distribution plate that the utility model embodiment, which additionally provides a kind of hot runner system, is located at described point
The driving device of flowing plate upper end is located at described in the flow distribution plate lower end hot nozzle corresponding with the driving device position and connection
The needle of driving device and the hot nozzle, the needle are fixedly connected on the piston of the driving device, the flow distribution plate and drive
It is equipped with plate of water route between dynamic device, above-mentioned needle sealing set is arranged on the needle, the needle sealing set is located at described
The link position of driving device and the flow distribution plate is simultaneously fixed on the flow distribution plate, and the copper member is at least partially disposed in water
In the plate of road.
As the further improvement of the utility model embodiment, the bottom of the needle sealing set has flange, described
Shunting plate surface has the recess portion that matches with flange shape, the needle sealing set by flange be embedded in the recess portion it is interior with
Cover the needle sealing fixed on the flow distribution plate.
The utility model embodiment has the following beneficial effects: that the utility model is additionally provided including above-mentioned needle sealing set
Hot runner system.Copper member is arranged outside ontology by covering in needle sealing in the utility model, utilizes the excellent heat dissipation of copper member
Performance, needle sealing covers it can facilitate stable installation with needle, effectively seal, and reduce runner plate and be conducted to above valve needle cover
Temperature prevents strike-through, and the utility model has easy disassembly, advantage simple and compact for structure, low in cost.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present application, constitutes part of this application, this Shen
Exemplary embodiment and its explanation please is not constituted an undue limitation on the present application for explaining the application；Wherein:
Fig. 1 is the side view that needle sealing covers in embodiment 1；
Fig. 2 is the side view that needle sealing covers in embodiment 2；
Fig. 3 is the structural schematic diagram with the hot runner system of the needle sealing set in embodiment 1；
Example is expressed as in figure:
1- needle sealing set；11- needle sealing covers ontology；111- first part；112- second part；113- third portion
Point；12- copper member；12a- copper member；The first copper sheathing of 121-；The second copper sheathing of 122-；2- needle；3- flow distribution plate；4- plate of water route；5-
Water pipe.
Specific embodiment
To keep the purposes, technical schemes and advantages of the application clearer, below in conjunction with the application specific embodiment
And technical scheme is clearly and completely described in corresponding attached drawing.Obviously, described embodiment is only this Shen
Please a part of embodiment, rather than whole embodiment.Based on the embodiment in the application, ordinary skill people
Member's every other embodiment obtained without making creative work, shall fall in the protection scope of this application.
The embodiments of the present invention is described below in detail, the example of the embodiment is shown in the accompanying drawings, wherein
Same or similar label indicates same or similar element or element with the same or similar functions from beginning to end.Lead to below
It crosses the embodiment being described with reference to the drawings to be exemplary, is only used for explaining the utility model, and should not be understood as practical to this
Novel limitation.
In the description of the present invention, it should be understood that term " longitudinal direction ", " transverse direction ", "upper", "lower", " preceding ",
The orientation or positional relationship of the instructions such as " rear ", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is based on attached
Orientation or positional relationship shown in figure, is merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion
Signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this
The limitation of utility model.
In the description of the present invention, unless otherwise specified and limited, it should be noted that term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be mechanical connection or electrical connection, the company being also possible to inside two elements
It is logical, it can be directly connected, can also indirectly connected through an intermediary, for the ordinary skill in the art, it can
To understand the concrete meaning of above-mentioned term as the case may be.
Embodiment 1
The utility model embodiment discloses a kind of needle sealing set 1, as shown in figures 1 and 3, is sleeved on the outer of needle 2
It encloses, including needle sealing set ontology 11 and copper member 12, needle sealing set ontology 11 is at least partly embedded in flow distribution plate 3, valve
Needle sealing covers the bottom end and opposite top that ontology 11 includes fitting flow distribution plate 3；Copper member 12 is set to needle sealing set originally
The periphery of body 11；By this setup, needle sealing covers it can facilitate stable installation with needle, effectively seal.
Specifically, in the present embodiment, copper member 12 is configured to cylindric copper sheathing, and copper sheathing is sheathed on needle sealing set originally
The outer peripheral surface of body 11；And the top of copper sheathing is flushed with the top of needle sealing set ontology 11, and the height of copper sheathing is sealed less than needle
The height of gum cover ontology 11.Using the excellent heating conduction of copper member, runner plate can be effectively reduced and be conducted to above valve needle cover
Temperature, prevent strike-through.
In the present embodiment, needle sealing cover ontology 11 from top successively include first part 111 and second to bottom end
Divide 112 and Part III 113, the outer diameter of second part 112 is greater than the outer diameter of first part 111, and the outer diameter of Part III 113 is big
In second part 112；Part III 113 is set to the bottom end of sealing set ontology 11 and connect with second part 112；Copper sheathing is arranged
In first part 111, and the outer diameter of copper sheathing is equal with the outer diameter of second part 112.
Further, the outer peripheral surface of Part III 113 is provided with sealing screw thread, and is fixed on point by sealing to be threadedly coupled
In flowing plate 3.In other enforceable modes, Part III 113 is additionally provided with sealing face, and sealing face is set to Part III
The lower section of the sealing screw thread of 113 outer peripheral surfaces, and it is bonded the bottom end of flow distribution plate 3.
In other enforceable modes, copper member 12 is also it is so structured that copper sheet, copper sheet, which has, covers this with needle sealing
The identical curvature of the outer peripheral surface of body 11, and be covered on the outer peripheral surface of needle sealing set ontology 11；Or as the utility model
Another selection of embodiment, copper member 12 are configured to several copper bars, and copper bar is pasted along the axial direction of needle sealing set ontology 11,
And along the radially uniform distribution of circumference of needle sealing set ontology 11.Copper has excellent heating conduction, can be quickly by heat flux plates
On heat absorption and diverging, prevent because high temperature and caused by leak adhesive run glue the phenomenon that；For the set-up mode of copper member 12
And the area coverage on needle sealing set ontology 11 can do flexibly adjustment according to the actual needs, it in an implementation also can be simultaneous
Care for radiating efficiency and production cost.
The utility model embodiment has the following beneficial effects: that the utility model is additionally provided including above-mentioned needle sealing set
Hot runner system.Copper member is arranged outside ontology by covering in needle sealing in the utility model, utilizes the excellent heat dissipation of copper member
Performance, needle sealing covers it can facilitate stable installation with needle, effectively seal, and reduce runner plate and be conducted to above valve needle cover
Temperature prevents strike-through, and the utility model has easy disassembly, advantage simple and compact for structure, low in cost.
Embodiment 2
Referring to shown in Fig. 2 and Fig. 3, the utility model embodiment discloses a kind of needle sealing set 1a, is sleeved on needle 2
Periphery, including needle sealing set ontology 11 and copper member 12a, needle sealing set ontology 11 are at least partly embedded in flow distribution plate 3,
Needle sealing covers the bottom end and opposite top that ontology 11 includes fitting flow distribution plate 3；Copper member 12a is set to needle sealing set
The periphery of ontology 11；By this setup, needle sealing covers it can facilitate stable installation with needle, effectively seal.
Specifically, in the present embodiment, copper member 12a is configured to cylindric copper sheathing, and copper sheathing is sheathed on needle sealing set
The outer peripheral surface of ontology 11；And the top of copper sheathing is flushed with the top of needle sealing set ontology 11, and the height of copper sheathing is less than needle
The height of sealing set ontology 11.Using the excellent heating conduction of copper member, runner plate can be effectively reduced and be conducted on valve needle cover
The temperature in face prevents strike-through.
In the present embodiment, needle sealing cover ontology 11 from top successively include first part 111 and second to bottom end
Divide 112 and Part III 113, the outer diameter of second part 112 is greater than the outer diameter of first part 111, and the outer diameter of Part III 113 is big
In second part 112；Part III 113 is set to the bottom end of sealing set ontology 11 and connect with second part 112；Copper sheathing is arranged
In first part 111 and second part 112.
Specifically, copper sheathing includes being sheathed on the first copper sheathing 121 of first part 111 and being sheathed on the of second part 112
Two copper sheathings 122.First copper sheathing 121 and the second copper sheathing 122 are respectively provided with to match with the outer diameter of first part 111, second part 112
The internal diameter of conjunction, the first copper sheathing 121 and the second copper sheathing 122 are integral type connection structure, in other enforceable modes, the first bronze medal
Set 121 and the second copper sheathing 122 may be structure be separated from each other, individual；Further change as what the utility model was implemented
Into, be set to needle sealing set 11 outer peripheral surface of ontology copper sheathing, can be several copper bands stacked together, can also be with
Needle sealing covers the copper sheet of the identical curvature of outer peripheral surface of ontology 11, and is covered on the outer peripheral surface of needle sealing set ontology 11；
Or the another kind selection as the utility model embodiment, copper member 12a are configured to several copper bars, copper bar is along needle sealing
The axial direction of set ontology 11 pastes, and along the radially uniform distribution of circumference of needle sealing set ontology 11.Copper has excellent thermal conductivity
Can, can quickly by the heat absorption and diverging in heat flux plates, prevent because high temperature and caused by leak adhesive run glue the phenomenon that；For
The set-up mode of copper member 12a and the area coverage on needle sealing set ontology 11 can be done flexibly according to the actual needs
Adjustment, can also take into account radiating efficiency and production cost in an implementation.
As the further improvement of the utility model embodiment, it further includes Part III 113 that needle sealing, which covers ontology 11,
Part III 113 is set to the bottom end of sealing set ontology 11 and connect with second part 112, and the outer diameter of Part III 113 is greater than
Second part 112.
In the present embodiment, the outer peripheral surface of Part III 113 is provided with sealing screw thread, and is threadedly coupled and is fixed by sealing
In on flow distribution plate 3.
The utility model embodiment has the following beneficial effects: that the utility model is additionally provided including above-mentioned needle sealing set
Hot runner system.Copper member is arranged outside ontology by covering in needle sealing in the utility model, utilizes the excellent heat dissipation of copper member
Performance, needle sealing covers it can facilitate stable installation with needle, effectively seal, and reduce runner plate and be conducted to above valve needle cover
Temperature prevents strike-through, and the utility model has easy disassembly, advantage simple and compact for structure, low in cost.
Embodiment 3
The utility model embodiment additionally provides a kind of hot runner system, as shown in figure 3, including flow distribution plate 3, is located at and shunts
The driving device of 3 upper end of plate, and be located at 3 lower end of flow distribution plate hot nozzle corresponding with driving device position, connect driving device and
The needle 2 of hot nozzle, needle 2 are fixedly connected on the piston lower surface of driving device, are arranged with valve shown in embodiment 1 on needle 2
Needle sealing set 1, needle sealing set 1 are located at the link position of driving device and flow distribution plate 3 and are fixed on flow distribution plate 3.
In the utility model embodiment, hot runner system further includes the water route being arranged between driving device and flow distribution plate
Plate 4, plate of water route 4 connect water pipe 5.Plate of water route 4 can be fixedly connected on flow distribution plate, and copper member 12 is at least partially arranged at water route
In plate 4, the heat of copper member 12 can pass to plate of water route 4, and plate of water route 4 can reduce after being recycled inside by the water inlet of water pipe 5
The temperature of plate of water route 4 to play the role of radiating to copper member 12, and then reduces the temperature of needle 2, avoids office
Portion's superheating phenomenon.
As the further improvement of the utility model embodiment, the bottom of needle sealing set 1 has flange, flow distribution plate 3
Surface has the recess portion to match with flange shape, and needle sealing set 1 is embedded in recess portion by flange so that needle sealing set 1
It is fixed on flow distribution plate 3.
The utility model embodiment has the following beneficial effects: that the utility model is additionally provided including above-mentioned needle sealing set
1 hot runner system.Copper member 12 is arranged by covering in needle sealing in the utility model outside ontology 11, copper member 12 is at least partly
It is set in plate of water route 4, using the excellent heat dissipation performance of copper member 12, while plate of water route 4 can cool down to copper member 12,
Needle sealing covers it can facilitate stable installation with needle, effectively seal, reduce runner plate be conducted to temperature above valve needle cover,
Strike-through is prevented, and the utility model has easy disassembly, advantage simple and compact for structure, low in cost.
It should be appreciated that although this specification is described in terms of embodiments, but not each embodiment only includes one
A independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should will say
As a whole, the technical solution in each embodiment may also be suitably combined to form those skilled in the art can for bright book
With the other embodiments of understanding.
Tool of the series of detailed descriptions listed above only for the feasible embodiment of the utility model
Body explanation, it is all without departing from equivalent made by the utility model skill spirit not to limit the protection scope of the utility model
Embodiment or change should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of needle sealing set, is sleeved on the periphery of needle, which is characterized in that ontology and copper member are covered including needle sealing,
The needle sealing set ontology is at least partly embedded in flow distribution plate, and the needle sealing set ontology includes being bonded the flow distribution plate
Bottom end and opposite top；The copper member is set to the periphery of the needle sealing set ontology, and the copper member
The top of top and the needle sealing set ontology flush, the height of the copper member is less than needle sealing set ontology
Highly.
2. needle sealing set according to claim 1, which is characterized in that the copper member is configured to cylindric copper sheathing,
The copper sheathing is sheathed on the outer peripheral surface of the needle sealing set ontology.
3. needle sealing set according to claim 2, which is characterized in that the needle sealing covers ontology from top to bottom end
It successively include first part and second part, the outer diameter of the second part is greater than the outer diameter of the first part, the copper sheathing
At least it is sheathed on the first part.
4. needle sealing set according to claim 3, which is characterized in that the outer diameter of the copper sheathing and the second part
Outer diameter is equal.
5. needle sealing set according to claim 3, which is characterized in that the copper sheathing is sheathed on the first part and
Two parts.
6. needle sealing set according to claim 3, which is characterized in that the needle sealing set ontology further includes third portion
Point, the Part III is set to the bottom end of the sealing set ontology and connect with the second part, the Part III
Outer diameter is greater than the second part.
7. needle sealing set according to claim 6, which is characterized in that the outer peripheral surface of the Part III is provided with sealing
Screw thread, and be fixed on the flow distribution plate by sealing threaded connection.
8. needle sealing set according to claim 1, which is characterized in that the copper member is configured to copper sheet, the copper sheet
With curvature identical with the needle sealing set outer peripheral surface of ontology, and it is covered on the outer peripheral surface of the needle sealing set ontology
On.
9. a kind of hot runner system, including flow distribution plate, positioned at the driving device of the flow distribution plate upper end, under the flow distribution plate
The needle of hot nozzle corresponding with the driving device position and the connection driving device and the hot nozzle is held, the needle is solid
Surely it is connected to the piston of the driving device, plate of water route is equipped between the flow distribution plate and driving device, which is characterized in that described
Needle sealing set described in any one of -8 according to claim 1 is arranged on needle, the needle sealing set is located at described
The link position of driving device and the flow distribution plate is simultaneously fixed on the flow distribution plate, and the copper member is at least partially disposed in water
In the plate of road.
10. hot runner system according to claim 9, which is characterized in that the bottom of the needle sealing set has flange,
The plate surface that shunts has the recess portion to match with flange shape, and the needle sealing set is embedded in the recess portion by flange
It is interior so that the needle sealing cover on the flow distribution plate it is fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822221287.7U CN209504785U (en) | 2018-12-27 | 2018-12-27 | Needle sealing set and the hot runner system with it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822221287.7U CN209504785U (en) | 2018-12-27 | 2018-12-27 | Needle sealing set and the hot runner system with it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209504785U true CN209504785U (en) | 2019-10-18 |
Family
ID=68197805
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822221287.7U Active CN209504785U (en) | 2018-12-27 | 2018-12-27 | Needle sealing set and the hot runner system with it |
Country Status (1)
| Country | Link |
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| CN (1) | CN209504785U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109483821A (en) * | 2018-12-27 | 2019-03-19 | 柳道万和(苏州)热流道系统有限公司 | Needle sealing set and the hot runner system with it |
-
2018
- 2018-12-27 CN CN201822221287.7U patent/CN209504785U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109483821A (en) * | 2018-12-27 | 2019-03-19 | 柳道万和(苏州)热流道系统有限公司 | Needle sealing set and the hot runner system with it |
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