CN208232205U - A kind of pneumatic nozzle - Google Patents
A kind of pneumatic nozzle Download PDFInfo
- Publication number
- CN208232205U CN208232205U CN201721880133.8U CN201721880133U CN208232205U CN 208232205 U CN208232205 U CN 208232205U CN 201721880133 U CN201721880133 U CN 201721880133U CN 208232205 U CN208232205 U CN 208232205U
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- CN
- China
- Prior art keywords
- nozzle
- pneumatic
- sealing
- cylinder
- hole
- 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
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- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses a kind of pneumatic nozzles comprising sub-nozzle, nozzle body, penetrate nozzle flange, sealing spool, sealing shroud, pneumatic ripping bar, cylinder and cylinder control unit.The utility model in nozzle body by being arranged pneumatic ripping bar and cylinder and cylinder control unit, when needing to project molten plastic, the pneumatic operated valve of control cylinder can open the pressure release passage of external cylinder, cylinder drives pneumatic ripping bar to lift, sealing spool toe angle and the interior orifice angle of sub-nozzle separate, generate gap, the plastics of molten condition are allowed to can smoothly enter into mold shaped article, after injection, cylinder control unit controls the inner hole sealing that pneumatic ripping bar pushes sealing spool toe angle and sub-nozzle, the plastics of molten condition will be unable to flow out from sub-nozzle feed pipe, reaching prevents plastics from flowing back, it avoids the problem that generating cold burden, improve the production efficiency and quality of injecting products.The pneumatic nozzle of the utility model is split type, handling ease, easy to maintain, at low cost, versatile, and accessory can be with self-changeable and maintenance.
Description
Technical field
The utility model relates to a kind of injection machine penetrate nozzle more particularly to it is a kind of be provided with air control unit pneumatically penetrate
Nozzle.
Background technique
Standard nozzle discharge hole be it is through-type, there is no sealing anti-salivation function, in injection-moulded plastic products, some plastics meetings
It outflows with nozzle discharge hole, generates cold burden, until making wastage of material and deterioration in quality, the feed opening that will cause mold sometimes is stifled
Plug and wire drawing phenomenon.
Therefore, to overcome defect of the existing technology, a kind of novel pneumatic nozzle is had developed, can allow and penetrate in production
Nozzle withstands sealing spool by the movement of external cylinder, allows the inner hole precise angle of sealing spool and sub-nozzle to cooperate, reaches close
The function of envelope prevents raw material from generating salivation and wire drawing phenomenon, improves production efficiency, improve product quality.
Utility model content
The purpose of the utility model is to overcome the defect of the prior art, the utility model, which provides, a kind of can prevent plastics stream
Saliva, while preventing charging hole plug and the pneumatic nozzle of wire drawing phenomenon occur.
In order to achieve the above objectives, the utility model adopts the following technical solution: a kind of pneumatic nozzle comprising sub-nozzle,
Nozzle body, penetrate nozzle flange, sealing spool, sealing shroud, pneumatic ripping bar, cylinder and cylinder control unit, the nozzle body
Tail portion is connect with penetrate nozzle flange, and head is connect with sub-nozzle, and the sealing shroud and envelope are provided in the mesoporous of the nozzle body
Glue spool, the sealing shroud have through-hole, the sealing spool pass through the sealing shroud among through-hole, the sealing spool with
The fit clearance of the through-hole is less than 0.001mm, and the centre of the pneumatic ripping bar is pivotally connected to the nozzle body
Tail end, the upper end of the pneumatic ripping bar are located at the tail end of the sealing spool, and the lower end of the pneumatic ripping bar connects the cylinder,
The cylinder control unit control cylinder is to drive the pneumatic ripping bar to lift or push the sealing spool.
Further, the cylinder control unit includes board computer and pneumatic operated valve, and the board computer issues control letter
Number the movement of the cylinder is controlled to the pneumatic operated valve, so that the pneumatic ripping bar be driven to lift or push the sealing spool.
Further, the tail end of the sub-nozzle is connected in the mesoporous, and the sealing shroud and sealing spool are all installed
In the mesoporous, the upper end of the pneumatic ripping bar is arranged in the mesoporous tail end and contacts with the sealing spool tail end.
Further, multiple discharge holes are provided with outside the mesoporous of the nozzle body, the discharge hole extends transversely through whole
A nozzle body, the diameter of the discharge hole are 0.5mm to 15mm.
Further, the sealing shroud is also set up there are two flash hole, the through-hole of sealing shroud described in the flash hole direct puncture
To the outside of nozzle body.
Further, the through-hole diameter is set as 6mm to 16mm, and the flash bore dia is set as 0.5mm to 5mm.
Further, shown sealing spool front end is provided with wedge angle, the inner hole of the angle of the wedge angle and the sub-nozzle
1 degree of thrust angle is formed between angle.
Further, the front end of penetrate nozzle flange is provided with steel bushing.
Further, the sub-nozzle front end is provided with one and the matched angle of mold, and centre is equipped with feed pipe, outside
Die nut is provided on diameter, the penetrate nozzle flange is equipped with easy-to-dismount die nut, and there is external screw teeth in penetrate nozzle flange tail portion,
For with the expects pipe flanged joint on injection molding machine, the penetrate nozzle flange head has threaded hole and nozzle body tail portion solid by bolt
Fixed connection.
Further, heating coil and thermocouple are added on the outer diameter of the pneumatic nozzle.
The utility model has the beneficial effects that the utility model is gentle by the way that pneumatic ripping bar is arranged in nozzle body back-end location
Cylinder and cylinder control unit, when needing to project molten plastic, board computer, which issues, projects signal, controls the pneumatic operated valve of cylinder
The pressure release passage of external cylinder can be opened, cylinder drives pneumatic ripping bar to lift, and the plastics of molten condition, pass through pneumatic nozzle at this time
The mesoporous of flange into pneumatic middle body tail end, then passes through the discharge hole of middle body, the front end of nozzle body, the plastics of molten condition
By by the thrust angle of sealing spool, sealing spool toward pusher, the interior orifice angle of sealing spool toe angle and sub-nozzle is allowed
It separates, generates gap, the plastics of molten condition is allowed to can smoothly enter into mold shaped article, after injection, cylinder control unit control
It makes pneumatic ripping bar and pushes sealing spool, the inner hole of sealing spool toe angle and sub-nozzle is sealed, the plastics of molten condition will
It can not be flowed out from sub-nozzle feed pipe, reaching prevents plastics from flowing back, and avoids the problem that generating cold burden, improves the life of injecting products
Produce efficiency and quality.The pneumatic nozzle of the utility model is split type, handling ease, easy to maintain, at low cost, versatility
By force, accessory can be with self-changeable and maintenance.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of pneumatic nozzle in the utility model；
Fig. 2 is a kind of the schematic diagram of the section structure of an angle of the nozzle body in the utility model in pneumatic nozzle；
Fig. 3 is a kind of cross-sectional view of the structure of sub-nozzle in pneumatic nozzle in the utility model；
Fig. 4 is a kind of cross-sectional view of the structure of penetrate nozzle flange in pneumatic nozzle in the utility model.
Fig. 5 is a kind of cross-sectional view of the structure of the sealing shroud of pneumatic nozzle in the utility model；
Fig. 6 is a kind of cross-sectional view of the structure of the sealing spool of pneumatic nozzle in the utility model；
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figures 1 to 6, a kind of pneumatic nozzle comprising sub-nozzle 1, nozzle body 2, penetrate nozzle flange 3, sealing valve
Core 4, sealing shroud 5, pneumatic ripping bar 6, cylinder and cylinder control unit (not shown), 2 tail portion of nozzle body with penetrate
Nozzle flange 3 connects, and head is connect with sub-nozzle 1, and the sealing shroud 5 and sealing are provided in the mesoporous 15 of the nozzle body 2
Spool 4, the sealing shroud 5 have through-hole 10, and the sealing spool 4 passes through the through-hole 10 among the sealing shroud 5, the envelope
The fit clearance of glue spool 4 and the through-hole 10 is less than 0.001mm, and precision-fit in this way can be only achieved molten state
Plastics do not leak.There is rotation axis 18 in the centre of pneumatic ripping bar 6, and pneumatic ripping bar 6 is pivotally connected to described by rotation axis 18
On the tail end of nozzle body 2, described pneumatic 6 one end of ripping bar contacts the tail end of the sealing spool 4, the pneumatic ripping bar 6 it is another
One end is connected with cylinder 7, and the cylinder control unit control cylinder 7 drives the pneumatic ripping bar 6 to lift or push the sealing
Spool 4.The mesoporous 15 of the nozzle body is blind hole, which is not lateral direction penetrating, in the mesoporous 15 of the nozzle body 2
Outside is provided with multiple discharge holes 14, and the discharge hole 14 extends transversely through entire nozzle body 2, and the diameter of the discharge hole is
0.5mm to 15mm, the discharge hole are communicated to the position connecting with the sub-nozzle, thus the molten plastic when nozzle work
Sub-nozzle can be reached by discharge hole.
Wherein, the tail portion of pneumatic penetrate nozzle flange 3 is further connect with machine expects pipe, and molten plastic is conveyed by machine expects pipe
To the discharge nozzle 17 of the pneumatic penetrate nozzle flange 3, there is internal thread hole 16,2 periphery of nozzle body in pneumatic 3 circumferential direction of penetrate nozzle flange
There is matched threaded hole 13, pneumatic penetrate nozzle flange 3 is fixed with nozzle body 2 using 10 fixing bolts.
There are 8 discharge holes 14 outside the mesoporous of the nozzle body 2, this is that molten plastic is allowed to pass through this 8 discharge holes 14
Reach sub-nozzle 1, the number of discharge hole 14 can add to 12 from 2, and the diameter of discharge hole 14 can be from 0.5mm-5mm model
It encloses.
In the present invention, cylinder control unit includes board computer and pneumatic operated valve, and pneumatic operated valve connects cylinder 7, described
Board computer issues the movement that control signal controls the cylinder 7 to the pneumatic operated valve, and cylinder 7 connects the pneumatic ripping bar 6
One end, when cylinder 1 drives described 6 one end of pneumatic ripping bar to act forward or backward, the other end of pneumatic ripping bar 6 can be to phase
The sealing spool is lifted or is pushed in opposite direction movement.
The sealing shroud 5 is also set up there are two flash hole 11, and the through-hole 10 of sealing shroud described in 11 direct puncture of flash hole arrives
The outside of nozzle body 2 solves molten plastic leakage problem in this way, if any leakage, can be discharged, be prevented by flash hole 11
The material of leakage enters the position of pneumatic ripping bar 6, and the diameter of the through-hole 10 of the sealing shroud 5 is set as 6mm to 16mm, the flash
11 diameter of hole is set as 0.5mm to 5mm.
As shown, sealing spool front end is provided with wedge angle 12, in order to guarantee sealing effect, the angle of the wedge angle 12 with
Forming 1 degree of thrust angle between the interior angle of spot hole 8 of the sub-nozzle 1, fused raw material passes through thrust angle for sealing spool 4 toward pusher,
When driving pneumatic ripping bar 6 to unclamp by cylinder 7, when not holding out against sealing spool 4, sub-nozzle 1 and sealing spool 4 are opened at this time
Angular compliance, allow sealing spool 4 and sub-nozzle 1 interior angle of spot hole among have gap, such molten plastic can pass through
The feed pipe of sub-nozzle 1,1 front end of sub-nozzle are provided with one and the matched angle of mold, and centre is equipped with feed pipe, outside
Die nut 9 is provided on diameter, the penetrate nozzle flange is equipped with easy-to-dismount die nut 9, and there is outer spiral shell in 3 tail portion of penetrate nozzle flange
Tooth, for the expects pipe flanged joint on injection molding machine, penetrate nozzle flange front end is provided with steel bushing.
As shown in figure 3,1 front end of sub-nozzle is provided with one and the matched R angle of mold, which is used for and mould
Tool cooperation, centre is equipped with feed pipe 19, is provided with die nut 9 on outer diameter, easy to disassemble, as shown in figure 5, the nozzle method
Orchid 3 is equipped with the expects pipe flanged joint being used for on injection molding machine,
Heating coil and thermocouple are added on the outer diameter of the pneumatic nozzle.Pneumatic nozzle after assembly, outer diameter can add
It fills heating coil and thermocouple, this function is the function that outer spring nozzle is unable to reach, because outer spring nozzle installs additional in outer diameter
When heating coil, heating coil can be with outer spring Assembly Interference.
The pneumatic nozzle realizes that the working principle of its function is: the plastics of molten condition pass through the discharging of penetrate nozzle flange
Pipe 17 into 2 tail end of nozzle body, then passes through the feed opening 14 of nozzle body, into the front end of nozzle body, cylinder control dress
When the board computer set issues injection signal to pneumatic operated valve, the pneumatic operated valve for controlling cylinder can open the pressure release passage of external cylinder 7,
Cylinder drives pneumatic ripping bar to lift not pushing tow sealing spool 4 at this time, sealing spool 4 is in relaxed state, at this time molten condition
Plastics will allow the interior of sealing spool toe angle and sub-nozzle 1 by the thrust angle of sealing spool 4, sealing spool 4 toward pusher
Orifice angle separates, and generates gap, and the plastics of molten condition is allowed to pass through the feed pipe 19 of sub-nozzle 1 subsequently into mold, most
Shaped article afterwards.
When needing to project, board control computer can issue signal, and the pneumatic operated valve for controlling cylinder can open inlet channel, this
When cylinder 7 piston action will drive the lower end of pneumatic ripping bar 6 and rotate backward, so that the upper end of pneumatic ripping bar 6 can push forward
Sealing spool 4 travels forward, until make with sub-nozzle inner hole precise angle coincide, the plastics of molten condition will be unable to from sub-nozzle into
The discharge hole of expects pipe 19 flows out, and reaches anti-salivation, anti-wire drawing function.The plastics of molten condition will be unable to from sub-nozzle feed pipe stream
Out, reaching prevents plastics reflux from leading to the problem of cold burden.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, any those skilled in the art is in technical scope disclosed by the utility model, the change that can readily occur in
Change or replace, should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with described
Subject to scope of protection of the claims.
Claims (10)
1. a kind of pneumatic nozzle, which is characterized in that including sub-nozzle, nozzle body, penetrate nozzle flange, sealing spool, sealing shroud, gas
Dynamic ripping bar, cylinder and cylinder control unit, the nozzle body tail portion are connect with penetrate nozzle flange, and head is connect with sub-nozzle,
The sealing shroud and sealing spool are provided in the mesoporous of the nozzle body, the sealing shroud has through-hole, the sealing valve
Core passes through the through-hole among the sealing shroud, and the sealing spool and the fit clearance of the through-hole are less than 0.001mm, the gas
The centre of dynamic ripping bar is pivotally connected to the tail end of the nozzle body, and the upper end of the pneumatic ripping bar is located at the sealing valve
The tail end of core, the lower end of the pneumatic ripping bar connect the cylinder, and the cylinder control unit control cylinder is to described in drive
Pneumatic ripping bar lifts or pushes the sealing spool.
2. pneumatic nozzle according to claim 1, which is characterized in that the cylinder control unit includes that board computer is gentle
Dynamic valve, the board computer issue control signal and control the movement of the cylinder to the pneumatic operated valve, to drive described pneumatic
Ripping bar lifts or pushes the sealing spool.
3. pneumatic nozzle according to claim 2, which is characterized in that the tail end of the sub-nozzle is connected to the mesoporous
Interior, the sealing shroud and sealing spool are all mounted in the mesoporous, and the upper end of the pneumatic ripping bar is arranged in the mesoporous tail
It is contacted in end and with the sealing spool tail end.
4. pneumatic nozzle according to claim 3, which is characterized in that be provided with outside the mesoporous of the nozzle body multiple
Discharge hole, the discharge hole extend transversely through entire nozzle body, and the diameter of the discharge hole is 0.5mm to 15mm.
5. a kind of pneumatic nozzle according to claim 4, which is characterized in that the sealing shroud is also set up there are two flash
Hole, the through-hole of sealing shroud described in the flash hole direct puncture to the outside of nozzle body.
6. pneumatic nozzle according to claim 5, which is characterized in that the through-hole diameter is set as 6mm to 16mm, described
Flash bore dia is set as 0.5mm to 5mm.
7. pneumatic nozzle according to claim 1, which is characterized in that shown sealing spool front end is provided with wedge angle, described
1 degree of thrust angle is formed between the angle of wedge angle and the interior angle of spot hole of the sub-nozzle.
8. pneumatic nozzle according to claim 1, which is characterized in that the front end of penetrate nozzle flange is provided with steel bushing.
9. pneumatic nozzle according to any one of claims 1 to 8, which is characterized in that the sub-nozzle front end is provided with one
With the matched angle of mold, centre is equipped with feed pipe, and die nut is provided on outer diameter, and the penetrate nozzle flange, which is equipped with, to be convenient for
There are external screw teeth in the die nut of disassembly, penetrate nozzle flange tail portion, for the expects pipe flanged joint on injection molding machine, the penetrate nozzle flange
Head has threaded hole and nozzle body tail portion to be bolted to connection.
10. pneumatic nozzle according to any one of claims 1 to 8, which is characterized in that installed additional on the outer diameter of the pneumatic nozzle
There are heating coil and thermocouple.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721880133.8U CN208232205U (en) | 2017-12-28 | 2017-12-28 | A kind of pneumatic nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721880133.8U CN208232205U (en) | 2017-12-28 | 2017-12-28 | A kind of pneumatic nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208232205U true CN208232205U (en) | 2018-12-14 |
Family
ID=64578733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721880133.8U Expired - Fee Related CN208232205U (en) | 2017-12-28 | 2017-12-28 | A kind of pneumatic nozzle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208232205U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108327176A (en) * | 2017-12-28 | 2018-07-27 | 积康螺杆制造（上海）股份有限公司 | A kind of pneumatic nozzle |
| CN110802802A (en) * | 2019-10-24 | 2020-02-18 | 王倩 | Novel separable filterable injection molding nozzle |
| CN113977845A (en) * | 2021-11-24 | 2022-01-28 | 温岭市横峰新沃机械厂 | Injection head valve structure of anticipated foaming injection machine |
-
2017
- 2017-12-28 CN CN201721880133.8U patent/CN208232205U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108327176A (en) * | 2017-12-28 | 2018-07-27 | 积康螺杆制造（上海）股份有限公司 | A kind of pneumatic nozzle |
| CN110802802A (en) * | 2019-10-24 | 2020-02-18 | 王倩 | Novel separable filterable injection molding nozzle |
| CN113977845A (en) * | 2021-11-24 | 2022-01-28 | 温岭市横峰新沃机械厂 | Injection head valve structure of anticipated foaming injection machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 201616 Lane No. 2, 399, Central Road, Xiaokunshan Town, Songjiang District, Shanghai Patentee after: Limited by Share Ltd (Shanghai) Co., Ltd. Address before: Room 102, Floor 1, Building 3, No. 88 Jingche Road, Songjiang District, Shanghai, 20161 Patentee before: Limited by Share Ltd (Shanghai) Co., Ltd. |
|
| CP02 | Change in the address of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181214 Termination date: 20201228 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |