CN104260275B - A kind of inner spring and penetrate nozzle - Google Patents
A kind of inner spring and penetrate nozzle Download PDFInfo
- Publication number
- CN104260275B CN104260275B CN201410022594.6A CN201410022594A CN104260275B CN 104260275 B CN104260275 B CN 104260275B CN 201410022594 A CN201410022594 A CN 201410022594A CN 104260275 B CN104260275 B CN 104260275B
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- China
- Prior art keywords
- nozzle
- spring
- nozzle body
- penetrate
- sub
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/20—Injection nozzles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/72—Heating or cooling
- B29C45/74—Heating or cooling of the injection unit
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Fodder In General (AREA)
Abstract
The invention discloses a kind of inner spring and penetrate nozzle, which includes sub-nozzle, nozzle body and penetrate nozzle flange, and the nozzle body afterbody is connected with penetrate nozzle flange, and head is connected with sub-nozzle, is additionally provided with compression spring in the middle of the nozzle body.The present invention is by arranging compression spring in nozzle body, the plastics of molten condition, into nozzle body, when which projects pressure is more than the dynamics of compression spring, the plastics of molten condition are pushed open sealing spool backward, allow sealing spool toe angle and the interior orifice angle of sub-nozzle to separate, produce gap, allow the plastics of molten condition smoothly to enter mould molding product.When which projects pressure is less than spring pressure, sealing spool is pushed away forward by spring, the thrust angle and sub-nozzle endoporus precise angle for making sealing spool is coincide, the plastics of molten condition will be unable to from sub-nozzle feed pipe flow out, reaching prevents plastics from flowing back, avoid producing the problem of cold burden, improve the production efficiency and product quality of injecting products.
Description
Technical field
The present invention relates to a kind of injection machine penetrate nozzle, more particularly to a kind of nozzle for being internally provided with spring.
Background technology
Standard nozzle discharge opening is through-type, no sealing anti-salivation function, in injection-moulded plastic products, some plastics meetings
Outflow with nozzle discharge opening, produce cold burden, to wastage of material and deterioration in quality is made, cause the charging hole of mould to block up sometimes
Plug and wire drawing phenomenon.
Therefore, prior art existing defects.
The content of the invention
It is an object of the invention to overcome the defect of prior art, the present invention provides a kind of interior bullet that can prevent plastics from salivating
Spring nozzle, to solve problems of the prior art.
To reach above-mentioned purpose, the present invention is adopted the following technical scheme that：A kind of inner spring and penetrate nozzle, which includes sub-nozzle, penetrates
Body and penetrate nozzle flange in nozzle, the nozzle body afterbody are connected with penetrate nozzle flange, and head is connected with sub-nozzle, in the nozzle
Compression spring is additionally provided with the middle of body.
According to one aspect of the present invention, wherein, the centre of the nozzle body is provided with mesopore, and the mesopore is extended transversely through
Whole nozzle body, the compression spring are arranged on the pore location of nozzle body, have one for dismantling in the middle of nozzle body
When card spanner flat position, mesopore afterbody is provided with thread.
According to one aspect of the present invention, wherein, the front position of the mesopore of the nozzle body is provided with sealing spool,
Its tail end is provided with end cap of the spring, and the sealing spool is arranged on spring at front end, and the end cap of the spring is arranged on spring tail end, bullet
Spring plug is provided with screw thread, and for the thread lock sealing with nozzle body tail end, end cap of the spring head is provided with easy-to-dismount
Die nut.
According to one aspect of the present invention, wherein, multiple charging holes are provided with outside the mesopore of the nozzle body, it is described
Charging hole extends transversely through whole nozzle body.
According to one aspect of the present invention, wherein, the nozzle body is additionally provided with two flash holes, and the flash hole is straight
Wear the outside of the mesopore of nozzle body to nozzle body.
According to one aspect of the present invention, wherein, the median pore diameter is set to 6mm to 16mmm, the charging hole and overflows
Material bore dia is set to 0.5mm to 5mm.
According to one aspect of the present invention, wherein, the spring middle setting has the spring for preventing spring-compressed to the limit
Spacer pin.
According to one aspect of the present invention, wherein, the sealing spool front end is provided with consistent with orifice angle in sub-nozzle
Thrust angle.
According to one aspect of the present invention, wherein, the sub-nozzle front end is provided with an angle matched with mould, in
Between be provided with feed pipe, die nut is provided with its external diameter, the penetrate nozzle flange is provided with easy-to-dismount die nut, nozzle
Flange afterbody has external screw teeth, and for connecting with the expects pipe flange on injection machine, the penetrate nozzle flange head has internal screw thread and nozzle
The external screw teeth connection of middle body afterbody, is provided with discharge opening, the temperature-sensitive for measurement temperature is additionally provided with the die nut in the middle of which
Line installing hole.
According to one aspect of the present invention, wherein, heating collar and thermocouple are added on the external diameter of the inner spring and penetrate nozzle
Beneficial effect：
The present invention is by arranging compression spring, in injection-moulded plastic production process, molten in nozzle body pore location
The plastics of state, into nozzle body, when which projects pressure is more than the dynamics of compression spring, the plastics of molten condition will be by envelope
The thrust angle of glue valve element, is pushed open sealing spool backward, allows sealing spool toe angle and the interior orifice angle of sub-nozzle to separate, and is produced
Raw gap, allows the plastics of molten condition smoothly to enter mould molding product.When which projects pressure is less than spring pressure, spring will
Sealing spool is pushed away forward, makes the thrust angle of sealing spool coincide with sub-nozzle endoporus precise angle, and the plastics of molten condition are by nothing
Method is flowed out from sub-nozzle feed pipe, and reaching prevents plastics from flowing back, it is to avoid is produced the problem of cold burden, is improve the production of injecting products
Efficiency and quality.
Description of the drawings
Fig. 1 is a kind of structural representation of inner spring and penetrate nozzle in the present invention；
Fig. 2 is a kind of cross-sectional view of an angle of the nozzle body in the present invention in inner spring and penetrate nozzle；
Fig. 3 is a kind of longitudinal sectional drawing of nozzle body in inner spring and penetrate nozzle in the present invention；
Fig. 4 is a kind of structural representation of sub-nozzle in inner spring and penetrate nozzle in the present invention；
Fig. 5 is a kind of structural representation of penetrate nozzle flange in inner spring and penetrate nozzle in the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
As shown in figure 1, a kind of inner spring and penetrate nozzle, which includes sub-nozzle 1, nozzle body 2 and penetrate nozzle flange 3, described to penetrate
In nozzle, 2 afterbody of body is connected with penetrate nozzle flange 3, and head is connected with sub-nozzle 1, is additionally provided with compression spring in the middle of the nozzle body
4.The centre of the nozzle body is provided with mesopore 5, and the mesopore extends transversely through whole nozzle body, and the compression spring 4 is arranged
In 5 position of mesopore of nozzle body.The flat position of card spanner, mesopore afterbody when having one in the middle of the nozzle body for dismantling
It is provided with thread.The front position of the mesopore of the nozzle body is provided with sealing spool 6, and its tail end is provided with end cap of the spring 7, institute
State sealing spool 6 and be arranged on 4 front end of compression spring, the end cap of the spring 7 is arranged on 4 tail end of spring.Set on the end cap of the spring
There is screw thread, for the thread lock sealing with nozzle body tail end, end cap of the spring head is provided with easy-to-dismount die nut.Institute
State and outside the mesopore 5 of nozzle body, be provided with multiple charging holes 8, the charging hole 8 extends transversely through whole nozzle body.The bullet
Spring middle setting has the spring retainer pin 10 for preventing spring-compressed to the limit.6 front end of the sealing spool is provided with and sub-nozzle 1
The consistent thrust angle 11 of interior orifice angle.There is thrust angle 11 sealing spool front end, and angle is consistent with the angle of sub-nozzle endoporus,
There is a thrust angle at sealing spool angle, raw material is by thrust angle by sealing spool toward pusher, opening sub-nozzle and sealing valve
The angular compliance of core, to allow and have gap in the middle of sealing spool and sub-nozzle, and such plastics can just be passed through.
As shown in Figures 2 and 3, the nozzle body 2 is additionally provided with two flash holes 9, in 9 direct puncture nozzle of the flash hole
Outside of the mesopore 5 of body 2 to nozzle body 2,5 diameter of the mesopore may be configured as 6mm to 16mmm, the charging hole 8 and flash
9 diameter of hole may be configured as 0.5mm to 5mm.The charging hole number can be arranged as required to 2 to 12.The flash
If hole 9 is used to solve plastic leakage, can be discharged by flash hole, the material of prevent leakage enters the position of compression spring 4,
To reach the effect of protection compression spring 4.
As shown in figure 4,1 front end of the sub-nozzle is provided with an angle matched with mould, the angle is used for and mould
Tool coordinates, and centre is provided with feed pipe 12, and die nut 13 is provided with its external diameter, convenient to dismantle, as shown in figure 5, the nozzle
Flange 3 is provided with easy-to-dismount die nut 30, and penetrate nozzle flange afterbody has external screw teeth 31, for injection machine on expects pipe method
Blue connection, the penetrate nozzle flange head have the external screw teeth connection of internal screw thread 32 and nozzle body afterbody, and discharge opening is provided with the middle of which
33, the sensing wire installing hole for measurement temperature is additionally provided with the die nut.
Heating collar and thermocouple are added on the external diameter of the inner spring and penetrate nozzle.Inner spring and penetrate nozzle after assembling, external diameter can
To install heating collar and thermocouple additional, this function is that outer spring nozzle is beyond one's reach function, because outer spring nozzle is in external diameter
When installing heating collar additional, heating collar can be with outer spring Assembly Interference.
One embodiment is that the inner spring and penetrate nozzle realizes that the operation principle of its function is：The plastics of molten condition, pass through
The discharge opening 33 of penetrate nozzle flange, into nozzle body tail end, then the charging hole 8 by nozzle body, into before nozzle body
End, when the injection pressure of the plastics of molten condition is more than the dynamics of compression spring, the plastics of molten condition will be by sealing valve
The thrust angle 11 of core, is pushed open sealing spool backward, allows sealing spool toe angle and the interior orifice angle of sub-nozzle to separate, and is produced
Gap, allows the plastics of molten condition smoothly to enter mould molding product.When the injection pressure of the plastics of molten condition is less than spring
During pressure, sealing spool is pushed away forward by spring, and the thrust angle 11 and sub-nozzle endoporus precise angle for making sealing spool is coincide, melting
The plastics of state will be unable to from sub-nozzle feed pipe flow out, and reach the problem for preventing plastics backflow from producing cold burden.
The above, the only specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, any
Those skilled in the art in technical scope disclosed by the invention, all answer by the change or replacement that can be readily occurred in
It is included within the scope of the present invention.Therefore, protection scope of the present invention with the scope of the claims should be
It is accurate.
Claims (6)
1. a kind of inner spring and penetrate nozzle, it is characterised in that including sub-nozzle, nozzle body and penetrate nozzle flange, the nozzle body
Afterbody is connected with penetrate nozzle flange, and head is connected with sub-nozzle, and compression spring, the nozzle are additionally provided with the middle of the nozzle body
The centre of middle body is provided with mesopore, and the mesopore extends transversely through whole nozzle body, and the compression spring is arranged on nozzle body
Pore location, the flat position of card spanner when having in the middle of nozzle body for dismantling, mesopore afterbody are provided with thread, the nozzle
The front position of the mesopore of middle body is provided with sealing spool, and its tail end is provided with end cap of the spring, and the sealing spool is arranged on pressure
Power spring at front end, the end cap of the spring are arranged on compression spring tail end, and end cap of the spring is provided with screw thread, for nozzle body tail
The thread lock sealing at end, end cap of the spring head are provided with easy-to-dismount die nut, set outside the mesopore of the nozzle body
Multiple charging holes are equipped with, the charging hole extends transversely through whole nozzle body, and the nozzle body is additionally provided with two flash holes,
Outside of the mesopore of the flash hole direct puncture nozzle body to nozzle body, the flash hole medial extremity are located at the compression spring
In the middle hole wall of the nozzle body between the front end of the mesopore of front end and the nozzle body.
2. a kind of inner spring and penetrate nozzle according to claim 1, it is characterised in that the median pore diameter is set to 6mm extremely
16mm, the charging hole and flash bore dia are set to 0.5mm to 5mm.
3. a kind of inner spring and penetrate nozzle according to claim 1, it is characterised in that the compression spring middle setting is prevented
Spring retainer pin of the spring-compressed to the limit.
4. a kind of inner spring and penetrate nozzle according to claim 3, it is characterised in that shown sealing spool front end is provided with and son
The consistent thrust angle of orifice angle in nozzle.
5. according to a kind of arbitrary described inner spring and penetrate nozzle of Claims 1-4, it is characterised in that the sub-nozzle front end is arranged
There is an angle matched with mould, centre is provided with feed pipe, die nut is provided with its external diameter, is set in the penetrate nozzle flange
There is easy-to-dismount die nut, penetrate nozzle flange afterbody has external screw teeth, it is for connecting with the expects pipe flange on injection machine, described to penetrate
Nozzle flange head has the external screw teeth connection of internal screw thread and nozzle body afterbody, is provided with discharge opening, on the die nut in the middle of which
It is additionally provided with the sensing wire installing hole for measurement temperature.
6. according to a kind of arbitrary described inner spring and penetrate nozzle of Claims 1-4, it is characterised in that outside the inner spring and penetrate nozzle
Heating collar and thermocouple are added on footpath.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410022594.6A CN104260275B (en) | 2014-01-17 | 2014-01-17 | A kind of inner spring and penetrate nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410022594.6A CN104260275B (en) | 2014-01-17 | 2014-01-17 | A kind of inner spring and penetrate nozzle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104260275A CN104260275A (en) | 2015-01-07 |
| CN104260275B true CN104260275B (en) | 2017-03-29 |
Family
ID=52151918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410022594.6A Active CN104260275B (en) | 2014-01-17 | 2014-01-17 | A kind of inner spring and penetrate nozzle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104260275B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105128276A (en) * | 2015-09-15 | 2015-12-09 | 林勇 | Self-recovery type anti-overflow spray nozzle |
| CN105397978B (en) * | 2015-12-09 | 2017-09-22 | 荣昌精密机械(苏州)有限公司 | A kind of nozzle structure just dismantled on injection machine |
| CN105397979B (en) * | 2015-12-09 | 2018-07-31 | 荣昌精密机械(苏州)有限公司 | A kind of injection molding machine nozzle |
| 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 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1067607A (en) * | 1991-06-08 | 1993-01-06 | 谢桂深 | Combined automatic injection nozzle with anti-reflux and anti-leak junction |
| CN1651213A (en) * | 2004-02-05 | 2005-08-10 | 日本韮沙株式会社 | Valve nozzle |
| CN201530091U (en) * | 2009-08-18 | 2010-07-21 | 宁波双马机械工业有限公司 | Automatic jet preventing nozzle |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0757505B2 (en) * | 1993-06-23 | 1995-06-21 | 藤夫 山田 | Gate hole opening / closing device for injection molding nozzle |
| JP2850203B2 (en) * | 1994-12-09 | 1999-01-27 | フィーサ株式会社 | Valve nozzle |
-
2014
- 2014-01-17 CN CN201410022594.6A patent/CN104260275B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1067607A (en) * | 1991-06-08 | 1993-01-06 | 谢桂深 | Combined automatic injection nozzle with anti-reflux and anti-leak junction |
| CN1651213A (en) * | 2004-02-05 | 2005-08-10 | 日本韮沙株式会社 | Valve nozzle |
| CN201530091U (en) * | 2009-08-18 | 2010-07-21 | 宁波双马机械工业有限公司 | Automatic jet preventing nozzle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104260275A (en) | 2015-01-07 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20170216 Address after: 201611 Shanghai City, Songjiang District Road No. 88 3 Jing building 1 Room 102 Applicant after: Limited by Share Ltd (Shanghai) Co., Ltd. Address before: 201611 Shanghai city Songjiang District Songjiang Chedun Industrial Zone Jing car Road No. 88 Building 1 floor 3 Applicant before: SHANGHAI GILLKON INDUSTRY CO., LTD. |
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| 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. |
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| CP02 | Change in the address of a patent holder |