CN103213247B - Multipoint needle valve - Google Patents
Multipoint needle valve Download PDFInfo
- Publication number
- CN103213247B CN103213247B CN201210014786.3A CN201210014786A CN103213247B CN 103213247 B CN103213247 B CN 103213247B CN 201210014786 A CN201210014786 A CN 201210014786A CN 103213247 B CN103213247 B CN 103213247B
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- needle
- valve
- flow distribution
- distribution plate
- hole
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- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The present invention solves needle-valve in prior art and installs, dismantles complexity, the easy material leakage of valve needle cover, the problem that needle is difficult to cast gate coordinate.By changing the structure of needle-valve, simplify installation and demounting procedure, save time when repairing a die tool, owing to system carries integration gas circuit, it is not necessary to process gas circuit hole on mould template, simplify mould difficulty of processing and save process time and cost simultaneously；Effectively solve the material leakage of TOP-TIP, stopping will not be caused due to material leakage to produce, enhance whole TOP-TIP row and make stability, control the waste of raw material；Effectively control the quality of fit of needle and cast gate well, can reach the glue mouth vestige that surface of plastic product is the most attractive in appearance.
Description
Technical field
The present invention relates to a kind of needle-valve, particularly relate to a kind of multipoint needle valve.
Background technology
Needle-valve is a kind of sealing valve, is used for closing molten condition plastic cement and continues flowing, and product is once making, and needle-valve needle will be closed according to the signal source of injection machine, thus reaches the effect of valve Guan Bi.
At present, a lot of hot flow path companies produce multipoint needle valve formula TOP-TIP, there is oil pressure, pneumatic do needle power, the most once the needle valve type hot runner of many different structures was designed, needle valve type hot runner system technology is an of great value invention, effectively solves surface of plastic product requirement higher, and cast gate trace requires smooth technical barrier attractive in appearance.But now still having some deficits in the art, install, dismantle complexity, the easy material leakage of valve needle cover, needle and cast gate are difficult to matching problem.
Summary of the invention
The invention discloses a kind of multipoint needle valve, in order to solve needle-valve installation in prior art, dismounting complexity, the easy material leakage of valve needle cover, needle and cast gate are difficult to matching problem.
A kind of multipoint needle valve, wherein, including:
One first needle-valve, the concrete structure of described first needle-valve is:
One first hot nozzle is set in below a flow distribution plate, corresponding on described flow distribution plate it is provided with one first cylinder block, one hot nozzle fixed screw passes the bottom of described cylinder block, described flow distribution plate and the upper end of described first hot nozzle, described cylinder block and described hot nozzle is fixed with described flow distribution plate；
The part that described flow distribution plate is built between described first hot nozzle and described first cylinder block offers the first through hole；
It is provided with a first piston in described first cylinder block, below described first piston, is fixed with one first needle；
One first needle set screw through hole is offered on described first piston, screw thread is offered in described first needle set screw through hole, one first needle set screw is placed in described first needle set screw through hole, and the screw thread of described first needle set screw matches with the screw thread in described first needle set screw through hole；
Being provided with hook and slot bottom described first needle set screw, described first needle is arranged on the lower section of described first needle set screw by described hook and slot；
Described first needle passes described first through hole and described first hot nozzle, and the bottom of described first needle matches with described first hot nozzle bottom opening；
Being provided with one first valve needle cover in described first through hole, offer one first needle hole in described first valve needle cover, described needle passes described first needle hole, and described needle fits tightly with the inwall in described first needle hole；
Also include:
The needle-valve that multiple and described first needle valve structure is identical is separately positioned on described flow distribution plate；
One main nozzle is arranged on the core above described flow distribution plate；
A plurality of breather is offered in described flow distribution plate, so that described main nozzle communicates with the hot nozzle of the plurality of needle-valve, composition integration gas circuit.
Multipoint needle valve as above, wherein, the part that described first piston and described first cylinder block are close to is provided with Glais ring groove, is provided with Glais ring in described Glais ring groove, and described Glais ring is close to described first cylinder block.
Multipoint needle valve as above, wherein, a center nail pad is fixed in described manifold plate lower, and described center nail pad is placed in the underface of described main nozzle.
Multipoint needle valve as above, wherein, is provided with heater in described hot nozzle.
Multipoint needle valve as above, wherein, described flow distribution plate offers a flow distribution plate screw, and a flow distribution plate fixed screw passes described flow distribution plate screw.
Multipoint needle valve as above, wherein, described first cylinder block is provided with a High Temperature Gas pipe joint.
Multipoint needle valve as above, wherein, specifically include four needle-valves: described first needle-valve, one second needle-valve, one the 3rd needle-valve, one the 4th needle-valve, described flow distribution plate is X-shaped plate, described main nozzle is vertically arranged in the center of described X-shaped flow distribution plate, and described first needle-valve, described second needle-valve, described 3rd needle-valve, described 4th needle-valve are vertically arranged in four branches of described X-shaped flow distribution plate respectively.
Multipoint needle valve as above, wherein, the plurality of needle-valve and described first needle-valve have identical architectural feature.
In sum, owing to have employed technique scheme, the present invention solves needle-valve in prior art and installs, dismantles complexity, the easy material leakage of valve needle cover, the problem that needle is difficult to cast gate coordinate.By changing the structure of needle-valve, simplify installation and demounting procedure, save time when repairing a die tool, owing to system carries integration gas circuit, it is not necessary to process gas circuit hole on mould template, simplify mould difficulty of processing and save process time and cost simultaneously；Effectively solve the material leakage of TOP-TIP, stopping will not be caused due to material leakage to produce, enhance whole TOP-TIP row and make stability, control the waste of raw material；Effectively control the quality of fit of needle and cast gate well, can reach the glue mouth vestige that surface of plastic product is the most attractive in appearance.
Accompanying drawing explanation
Fig. 1 is the structural representation of multipoint needle valve of the present invention；
Fig. 2 is the structure top view of multipoint needle valve of the present invention.
Detailed description of the invention
Claim according to the present invention and summary of the invention disclosure of that, technical scheme is described in detail below:
Needle-valve of the prior art has installation, dismounting complexity, the easy material leakage of valve needle cover, the problem that needle is difficult to coordinate with cast gate.
The invention discloses a kind of multipoint needle valve, in order to solve the problems referred to above:
Fig. 1 is the structural representation of multipoint needle valve of the present invention, refers to Fig. 1, a kind of multipoint needle valve, wherein, and including:
One first needle-valve, the concrete structure of described first needle-valve is:
One first hot nozzle 12 is set in below a flow distribution plate 8, corresponding on described flow distribution plate 8 it is provided with one first cylinder block 2, one hot nozzle fixed screw 9 passes the bottom of described first cylinder block 2, described flow distribution plate 8 and the upper end of described first hot nozzle 12, described first cylinder block 2 and described first hot nozzle 12 is fixed with described flow distribution plate 8；
It is provided with heater 14 in described first hot nozzle 12.
The part that described flow distribution plate 8 is built between described first hot nozzle 12 and described first cylinder block 2 offers the first through hole；
It is provided with a first piston 5 in described first cylinder block 2, below described first piston 5, is fixed with one first needle 11；
Described first cylinder block 2 is provided with a High Temperature Gas pipe joint 3.
The part that described first piston 5 and described first cylinder block 2 are close to is provided with Glais ring 4 groove, is provided with Glais ring 4 in described Glais ring 4 groove, and described Glais ring 4 is close to described first cylinder block 2.
One first needle set screw through hole is offered on described first piston 5, screw thread is offered in described first needle set screw through hole, one first needle set screw 6 is placed in described first needle set screw through hole, and the screw thread of described first needle set screw 6 matches with the screw thread in described first needle set screw through hole；
Being provided with hook and slot bottom described first needle set screw 6, described first needle 11 is arranged on the lower section of described first needle set screw 6 by described hook and slot；
First cylinder block, flow distribution plate 8, the first hot nozzle 12 lock are integrated by the first hot nozzle 12 fixed screw 9, and the first needle 11 is fixed in first piston 5 by the first needle set screw 6 and makes the first needle 11 can interlock together with first piston 5.Just have only to twist when installing the most in a mold and dismantle TOP-TIP tear flow distribution plate fixed screw 10 open and greatly simplified installing/dismounting operation；
First needle set screw 6 Surface Machining has screw thread, screw front end to be machined with hook and slot to fix the first needle 11 in groove, and it is internal that the first needle set screw 6 is installed to first piston 5 by the first cylinder block 2 top.First piston 5 endoporus is threaded.First needle set screw 6 coordinates with inner hole thread.Rotate the first needle set screw 6 and can adjust position before and after needle.Thus can effectively control the quality of fit of needle and mould gate.
Described first needle 11 is through described first through hole and described first hot nozzle 12, and the bottom of described first needle 11 matches with described first hot nozzle 12 bottom opening；
Being provided with one first valve needle cover 7 in described first through hole, offer one first needle 11 hole in described first valve needle cover 7, described needle passes described first needle 11 hole, and described needle fits tightly with the inwall in described first needle 11 hole；
First valve needle cover 7 and the first needle 11 use high rigidity, high abrasion Forming Die materials processing, it is threaded on first valve needle cover 7 and high accuracy heap degree inclined-plane coordinates with flow distribution plate 8 beveled aperture, use slow wire feeding to be machined with high accuracy+0.005 ~ 0.008mm endoporus and the first needle 11 coordinates, cooperation gap size can be finely tuned by the elasticity regulating the first valve needle cover 7, so solve the easy material leakage problem when the preferable plastics of processing fluidity.
Also include:
The needle-valve that multiple and described first needle valve structure is identical is separately positioned on described flow distribution plate 8；
One main nozzle 1 is arranged on the core above described flow distribution plate 8；
One center nail pad 13 is fixed on described flow distribution plate 8 lower surface, and described center nail pad 13 is placed in the underface of described main nozzle 1.
A plurality of breather is offered in described flow distribution plate 8, so that described main nozzle 1 communicates with the hot nozzle of the plurality of needle-valve, composition integration gas circuit.
Offering flow distribution plate 8 screw on described flow distribution plate 8, a flow distribution plate fixed screw 10 is through described flow distribution plate 8 screw.
Fig. 2 is the structure top view of multipoint needle valve of the present invention, in one embodiment of the invention, specifically include four needle-valves: described first needle-valve, one second needle-valve, one the 3rd needle-valve, one the 4th needle-valve, described flow distribution plate 8 is X-shaped plate, described main nozzle is vertically arranged in the center of described X-shaped flow distribution plate 8, and described first needle-valve, described second needle-valve, described 3rd needle-valve, described 4th needle-valve are vertically arranged in four branches of described X-shaped flow distribution plate 8 respectively.
The plurality of needle-valve and described first needle-valve have identical architectural feature.
In sum, owing to have employed technique scheme, the present invention solves needle-valve in prior art and installs, dismantles complexity, the easy material leakage of valve needle cover, the problem that needle is difficult to cast gate coordinate.By changing the structure of needle-valve, simplify installation and demounting procedure, save time when repairing a die tool, owing to system carries integration gas circuit, it is not necessary to process gas circuit hole on mould template, simplify mould difficulty of processing and save process time and cost simultaneously；Effectively solve the material leakage of TOP-TIP, stopping will not be caused due to material leakage to produce, enhance whole TOP-TIP row and make stability, control the waste of raw material；Effectively control the quality of fit of needle and cast gate well, can reach the glue mouth vestige that surface of plastic product is the most attractive in appearance.
It should be appreciated by those skilled in the art that those skilled in the art combine prior art and above-described embodiment can realize described change case, do not repeat them here.Such change case has no effect on the flesh and blood of the present invention, does not repeats them here.
Above presently preferred embodiments of the present invention is described.It is to be appreciated that the invention is not limited in above-mentioned particular implementation, the equipment and the structure that do not describe in detail the most to the greatest extent are construed as being practiced with the common mode in this area；Any those of ordinary skill in the art, without departing under technical solution of the present invention ambit, technical solution of the present invention is made many possible variations and modification by the method and the technology contents that all may utilize the disclosure above, or it being revised as the Equivalent embodiments of equivalent variations, this has no effect on the flesh and blood of the present invention.Therefore, every content without departing from technical solution of the present invention, the technical spirit of the foundation present invention, to any simple modification made for any of the above embodiments, equivalent variations and modification, all still falls within the range of technical solution of the present invention protection.
Claims (5)
1. a multipoint needle valve, it is characterised in that including:
One first needle-valve, the concrete structure of described first needle-valve is:
One first hot nozzle is set in below a flow distribution plate, corresponding on described flow distribution plate it is provided with one first cylinder block, one hot nozzle fixed screw passes the bottom of described first cylinder block, described flow distribution plate and the upper end of described first hot nozzle, described first cylinder block and described first hot nozzle is fixed with described flow distribution plate；
The part that described flow distribution plate is built between described first hot nozzle and described first cylinder block offers the first through hole；
It is provided with a first piston in described first cylinder block, below described first piston, is fixed with one first needle；
One first needle set screw through hole is offered on described first piston, screw thread is offered in described first needle set screw through hole, one first needle set screw is placed in described first needle set screw through hole, and the screw thread of described first needle set screw matches with the screw thread in described first needle set screw through hole；
Being provided with hook and slot bottom described first needle set screw, described first needle is arranged on the lower section of described first needle set screw by described hook and slot；
Described first needle passes described first through hole and described first hot nozzle, and the bottom of described first needle matches with described first hot nozzle bottom opening；
Being provided with one first valve needle cover in described first through hole, offer one first needle hole in described first valve needle cover, described needle passes described first needle hole, and described needle fits tightly with the inwall in described first needle hole；
Also include:
The needle-valve that multiple and described first needle valve structure is identical is separately positioned on described flow distribution plate；
One main nozzle is arranged on the core above described flow distribution plate；
A plurality of breather is offered in described flow distribution plate, so that described main nozzle communicates with the hot nozzle of the plurality of needle-valve, composition integration gas circuit；
The part that described first piston and described first cylinder block are close to is provided with Glais ring groove, is provided with Glais ring in described Glais ring groove, and described Glais ring is close to described first cylinder block；
One center nail pad is fixed in described manifold plate lower, and described center nail pad is placed in the underface of described main nozzle.
Multipoint needle valve the most according to claim 1, it is characterised in that be provided with heater in described hot nozzle.
Multipoint needle valve the most according to claim 1, it is characterised in that offer a flow distribution plate screw on described flow distribution plate, a flow distribution plate fixed screw passes described flow distribution plate screw.
Multipoint needle valve the most according to claim 1, it is characterised in that described first cylinder block is provided with a High Temperature Gas pipe joint.
Multipoint needle valve the most according to claim 1, it is characterized in that, specifically include four needle-valves: described first needle-valve, one second needle-valve, one the 3rd needle-valve, one the 4th needle-valve, described flow distribution plate is X-shaped plate, described main nozzle is vertically arranged in the center of described X-shaped flow distribution plate, and described first needle-valve, described second needle-valve, described 3rd needle-valve, described 4th needle-valve are vertically arranged in four branches of described X-shaped flow distribution plate respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210014786.3A CN103213247B (en) | 2012-01-18 | 2012-01-18 | Multipoint needle valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210014786.3A CN103213247B (en) | 2012-01-18 | 2012-01-18 | Multipoint needle valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103213247A CN103213247A (en) | 2013-07-24 |
| CN103213247B true CN103213247B (en) | 2016-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210014786.3A Expired - Fee Related CN103213247B (en) | 2012-01-18 | 2012-01-18 | Multipoint needle valve |
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| Country | Link |
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| CN (1) | CN103213247B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6240114B2 (en) * | 2014-03-18 | 2017-11-29 | イングラス ソシエタ ペル アチオニＩＮＧＬＡＳＳ Ｓ．ｐ．Ａ． | Injection molding method of resin material |
| CN104400967A (en) * | 2014-11-07 | 2015-03-11 | 哈希斯热流道科技（苏州）有限公司 | Needle-valve cast gate type hot runner injection mould with cast gate needle-valve actuating device |
| CN105971970A (en) * | 2016-07-27 | 2016-09-28 | 苏州好特斯模具有限公司 | Air cylinder system for rapid and adjustable valve needle |
| CN106346688B (en) * | 2016-09-18 | 2019-08-16 | 武汉亿美特机械有限公司 | A kind of space multipoint mode Fast Filling system for large scale plastic product production |
| CN107984700A (en) * | 2017-10-30 | 2018-05-04 | 东莞市瀚茂热流道科技有限公司 | Bivalve pin type Hot Runner System |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202004007135U1 (en) * | 2004-05-03 | 2004-08-05 | Heitec-Heisskanaltechnik Gmbh | Support for a needle drive cylinder plate of a hot runner plastic injection molding tool comprises a circular block with an opening in which a seal with radial but no axial play is located |
| CN201784146U (en) * | 2010-08-18 | 2011-04-06 | 四川省宜宾普什模具有限公司 | Needle valve type hot runner structure |
| CN201792459U (en) * | 2010-08-17 | 2011-04-13 | 於岩君 | Valve needle sealing device of needle valve-type hot runner die |
| CN202462782U (en) * | 2012-01-18 | 2012-10-03 | 上海瀚典热流道科技有限公司 | Multi-point needle valve |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202006003244U1 (en) * | 2006-02-27 | 2007-07-05 | Günther Heisskanaltechnik Gmbh | injection molding |
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2012
- 2012-01-18 CN CN201210014786.3A patent/CN103213247B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202004007135U1 (en) * | 2004-05-03 | 2004-08-05 | Heitec-Heisskanaltechnik Gmbh | Support for a needle drive cylinder plate of a hot runner plastic injection molding tool comprises a circular block with an opening in which a seal with radial but no axial play is located |
| CN201792459U (en) * | 2010-08-17 | 2011-04-13 | 於岩君 | Valve needle sealing device of needle valve-type hot runner die |
| CN201784146U (en) * | 2010-08-18 | 2011-04-06 | 四川省宜宾普什模具有限公司 | Needle valve type hot runner structure |
| CN202462782U (en) * | 2012-01-18 | 2012-10-03 | 上海瀚典热流道科技有限公司 | Multi-point needle valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103213247A (en) | 2013-07-24 |
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Granted publication date: 20161214 Termination date: 20190118 |