CN202462782U - Multi-point needle valve - Google Patents
Multi-point needle valve Download PDFInfo
- Publication number
- CN202462782U CN202462782U CN2012200220883U CN201220022088U CN202462782U CN 202462782 U CN202462782 U CN 202462782U CN 2012200220883 U CN2012200220883 U CN 2012200220883U CN 201220022088 U CN201220022088 U CN 201220022088U CN 202462782 U CN202462782 U CN 202462782U
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- Prior art keywords
- needle
- valve
- flow distribution
- distribution plate
- hot nozzle
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Abstract
A multi-point needle valve is designed for solving the problems that in the prior art, the mounting and the dismounting of the needle valve are complex, the sleeve of the valve needle leaks material easily, and the valve needle is difficult to match a sprue. The multi-point needle valve comprises a first needle valve, a first needle valve adjusting screw, a plurality of needle valves, a main jet mouth, and a plurality of breathing pipes, wherein the first needle valve comprises a first hot nozzle; the first hot nozzle is arranged below a flow distribution plate; a first cylinder body is correspondingly arranged on the flow distribution plate; a hot nozzle retaining screw penetrates the lower part of the cylinder body, the flow distribution plate and the upper end of the first hot nozzle; the cylinder block is fixed with the hot nozzle and the flow distribution plate; a hook groove is formed in the bottom of the first needle valve adjusting screw; the first valve needle is mounted below the first needle valve adjusting screw through the hook groove; the needle valves taking the same structure as the first needle valve are respectively arranged on the flow distribution plate; the main jet mouth is mounted in the center at the upper part of the flow distribution plate; and the breathing pipes are arranged in the flow distribution plate, so as to ensure that the main jet mouth is communicated with the hot nozzles of the needle valves to form an integral air passage.
Description
Technical field
The utility model relates to a kind of needle-valve, relates in particular to a kind of multiple spot needle-valve.
Background technology
Needle-valve is a kind of sealing valve, is used to close the molten condition plastic cement and continues to flow, and product is once making, and the needle-valve needle will be closed according to the signal source of injection machine, thereby reaches the effect of valve closes.
At present; A lot of hot flow path companies produce multiple spot needle valve TOP-TIP, oil pressure are arranged, the pneumatic needle power of doing; Also once designed the needle valve hot flow path of many different structures; Needle valve TOP-TIP technology is an of great value invention, has effectively solved surface of plastic product and has had relatively high expectations, and the cast gate trace requires smooth technical barrier attractive in appearance.But still have some deficits in the technology now, install, dismantle complicacy, the needle cover leaks easily expects that needle and cast gate are difficult to matching problem.
The utility model content
The utility model discloses a kind of multiple spot needle-valve, in order to solve needle-valve installation in the prior art, dismounting complicacy, the needle cover is the leakage material easily, and needle and cast gate are difficult to matching problem.
A kind of multiple spot needle-valve wherein, comprising:
One first needle-valve, the concrete structure of said first needle-valve is:
One first hot nozzle is set in flow distribution plate below; Corresponding one first cylinder block that is provided with on the said flow distribution plate; One hot nozzle fixed screw passes the upper end of the bottom of said cylinder block, said flow distribution plate and said first hot nozzle, and said cylinder block and said hot nozzle and said flow distribution plate are fixed;
The part that said flow distribution plate is built between said first hot nozzle and said first cylinder block offers first through hole;
Be provided with a first piston in said first cylinder block, said first piston below is fixed with one first needle;
Offer one first needle set screw through hole on the said first piston; Offer screw thread in the said first needle set screw through hole; One first needle set screw places in the said first needle set screw through hole, and the screw thread in the screw thread of the said first needle set screw and the said first needle set screw through hole is complementary;
Said first needle set screw bottom is provided with the hook groove, and said first needle is installed in the below of the said first needle set screw through said hook groove;
Said first needle passes said first through hole and said first hot nozzle, and the bottom of said first needle and the said first hot nozzle bottom opening are complementary;
Be provided with one first needle cover in said first through hole, offer one first needle hole in said first needle cover, said needle passes the said first needle hole, and the inwall in said needle and the said first needle hole fits tightly;
Also comprise:
The identical needle-valve of a plurality of and said first needle valve structure is separately positioned on the said flow distribution plate;
One main nozzle is installed in the core of said flow distribution plate top;
Offer many breather pipes in the said flow distribution plate,, form integrated gas circuit so that said main nozzle communicates with the hot nozzle of said a plurality of needle-valves.
Aforesaid multiple spot needle-valve, wherein, the part that said first piston and said first cylinder block are close to is provided with the Glais ring groove, is provided with Glais ring in the said Glais ring groove, and said Glais ring and said first cylinder block are close to.
Aforesaid multiple spot needle-valve, wherein, a center nail spacers on said manifold plate lower, and said center nail pad place said main nozzle under.
Aforesaid multiple spot needle-valve wherein, is provided with heater in the said hot nozzle.
Aforesaid multiple spot needle-valve wherein, offers a flow distribution plate screw on the said flow distribution plate, a flow distribution plate fixed screw passes said flow distribution plate screw.
Aforesaid multiple spot needle-valve, wherein, said first cylinder block is provided with a High Temperature Gas pipe joint.
Aforesaid multiple spot needle-valve; Wherein, Specifically comprise four needle-valves: said first needle-valve, one second needle-valve, one the 3rd needle-valve, one the 4th needle-valve; Said flow distribution plate is the X-shaped plate, and said main burner vertically is arranged on the center of said X-shaped flow distribution plate, and said first needle-valve, said second needle-valve, said the 3rd needle-valve, said the 4th needle-valve vertically are arranged on respectively in four branches of said X-shaped flow distribution plate.
Aforesaid multiple spot needle-valve, wherein, said a plurality of needle-valves have identical architectural feature with said first needle-valve.
In sum, owing to adopted technique scheme, the utility model to solve in the prior art that needle-valve is installed, dismounting is complicated, the needle cover leaks material easily, the problem that needle and cast gate are difficult to cooperate.Through changing the structure of needle-valve, simplified installation and demounting procedure, saved the time when repairing a die tool, because system carries integrated gas circuit, need not processing gas circuit hole on the mould template, simplify the Mould Machining difficulty and saved process time and cost simultaneously; Effectively solved the leakage material of TOP-TIP, can not stop producing, strengthened the capable work stability of whole TOP-TIP, controlled the waste of raw material owing to the leakage material causes; Effectively control the quality of fit of needle and cast gate well, can reach surface of plastic product glue mouth vestige the most attractive in appearance.
Description of drawings
Fig. 1 is the structural representation of the utility model multiple spot needle-valve;
Fig. 2 is the structure vertical view of the utility model multiple spot needle-valve.
The specific embodiment
According to the claim and the disclosed content of utility model content of the utility model, the technical scheme of the utility model is specific as follows said:
Needle-valve of the prior art has installation, dismounting is complicated, and the needle cover leaks material easily, the problem that needle and cast gate are difficult to cooperate.
The utility model discloses a kind of multiple spot needle-valve, in order to address the above problem:
Fig. 1 is the structural representation of the utility model multiple spot needle-valve, sees also Fig. 1, and a kind of multiple spot needle-valve wherein, comprising:
One first needle-valve, the concrete structure of said first needle-valve is:
One first hot nozzle 12 is set in a flow distribution plate 8 belows; Corresponding one first cylinder block 2 that is provided with on the said flow distribution plate 8; One hot nozzle fixed screw 9 passes the upper end of bottom, said flow distribution plate 8 and said first hot nozzle 12 of said first cylinder block 2, and said first cylinder block 2 and said first hot nozzle 12 are fixed with said flow distribution plate 8;
Be provided with heater 14 in said first hot nozzle 12.
The part that said flow distribution plate 8 is built between said first hot nozzle 12 and said first cylinder block 2 offers first through hole;
Be provided with a first piston 5 in said first cylinder block 2, said first piston 5 belows are fixed with one first needle 11;
Said first cylinder block 2 is provided with a High Temperature Gas pipe joint 3.
Said first piston 5 is provided with Glais ring 4 grooves with the part that said first cylinder block 2 is close to, and is provided with Glais ring 4 in said Glais ring 4 grooves, and said Glais ring 4 is close to said first cylinder block 2.
Offer one first needle set screw through hole on the said first piston 5; Offer screw thread in the said first needle set screw through hole; One first needle set screw 6 places in the said first needle set screw through hole, and the screw thread in the screw thread of the said first needle set screw 6 and the said first needle set screw through hole is complementary;
The said first needle set screw 6 bottoms are provided with the hook groove, and said first needle 11 is installed in the below of the said first needle set screw 6 through said hook groove;
First hot nozzle, 12 fixed screws 9 are first cylinder block, and flow distribution plate 8, the first hot nozzles 12 locks are one, and first needle 11 is fixed on through the first needle set screw 6 and makes first needle 11 can be with first piston 5 interlocks in the first piston 5.In mould, just only need during the installation and removal TOP-TIP like this to twist and tear flow distribution plate fixed screw 10 open and simplified the installing/dismounting operation greatly;
The first needle set screw, 6 Surface Machining have screw thread, and the screw front end is processed with fixing first needle 11 of hook groove in groove, and the first needle set screw 6 is installed to first piston 5 inside through first cylinder block, 2 tops.Be processed with screw thread in first piston 5 endoporus.The first needle set screw 6 cooperates with inner hole thread.Rotate the front and back position that the first needle set screw 6 can be adjusted needle.So just can effectively control the quality of fit of needle and mould gate.
Said first needle 11 passes said first through hole and said first hot nozzle 12, and the bottom of said first needle 11 and said first hot nozzle, 12 bottom openings are complementary;
Be provided with one first needle cover 7 in said first through hole, offer one first needle, 11 holes in said first needle cover 7, said needle passes said first needle 11 holes, and the inwall in said needle and said first needle 11 holes fits tightly;
First needle cover, 7 and first needle 11 adopts high rigidity; The processing of high abrasion hotwork mold materials; Be processed with screw thread on first needle cover 7 and high accuracy heap degree inclined-plane cooperates with flow distribution plate 8 beveled aperture; The employing silk of being careful is processed with high accuracy+0.005 ~ 0.008mm endoporus and cooperates with first needle 11, can finely tune through the elasticity of regulating first needle cover 7 to cooperate the crack size, has solved like this in processing fluidity easy leakage material problem during plastics preferably.
Also comprise:
The identical needle-valve of a plurality of and said first needle valve structure is separately positioned on the said flow distribution plate 8;
One main nozzle 1 is installed in the core of said flow distribution plate 8 tops;
One center nail pad 13 is fixed on said flow distribution plate 8 lower surfaces, and said center nail pad 13 place said main nozzle 1 under.
Offer many breather pipes in the said flow distribution plate 8,, form integrated gas circuit so that said main nozzle 1 communicates with the hot nozzle of said a plurality of needle-valves.
Offer a flow distribution plate 8 screws on the said flow distribution plate 8, a flow distribution plate fixed screw 10 passes said flow distribution plate 8 screws.
Fig. 2 is this structure vertical view that uses novel multiple spot needle-valve; An embodiment Han at the utility model is total; Specifically comprise four needle-valves: said first needle-valve, one second needle-valve, one the 3rd needle-valve, one the 4th needle-valve; Said flow distribution plate 8 is the X-shaped plate, and said main burner vertically is arranged on the center of said X-shaped flow distribution plate 8, and said first needle-valve, said second needle-valve, said the 3rd needle-valve, said the 4th needle-valve vertically are arranged on respectively in four branches of said X-shaped flow distribution plate 8.
Said a plurality of needle-valve has identical architectural feature with said first needle-valve.
In sum, owing to adopted technique scheme, the utility model to solve in the prior art that needle-valve is installed, dismounting is complicated, the needle cover leaks material easily, the problem that needle and cast gate are difficult to cooperate.Through changing the structure of needle-valve, simplified installation and demounting procedure, saved the time when repairing a die tool, because system carries integrated gas circuit, need not processing gas circuit hole on the mould template, simplify the Mould Machining difficulty and saved process time and cost simultaneously; Effectively solved the leakage material of TOP-TIP, can not stop producing, strengthened the capable work stability of whole TOP-TIP, controlled the waste of raw material owing to the leakage material causes; Effectively control the quality of fit of needle and cast gate well, can reach surface of plastic product glue mouth vestige 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 the foregoing description can realize said variant, do not repeat them here.Such variant does not influence the flesh and blood of the utility model, does not repeat them here.
More than the preferred embodiment of the utility model is described.It will be appreciated that the utility model is not limited to above-mentioned specific implementations, equipment of wherein not describing in detail to the greatest extent and structure are construed as with the common mode in this area to be implemented; Any those of ordinary skill in the art; Do not breaking away under the utility model technical scheme scope situation; All the method for above-mentioned announcement capable of using and technology contents are made many possible changes and modification to the utility model technical scheme; Or being revised as the equivalent embodiment of equivalent variations, this does not influence the flesh and blood of the utility model.Therefore, every content that does not break away from the utility model technical scheme, all still belongs in the scope of the utility model technical scheme protection any simple modification, equivalent variations and modification that above embodiment did according to the technical spirit of the utility model.
Claims (8)
1. a multiple spot needle-valve is characterized in that, comprising:
One first needle-valve, the concrete structure of said first needle-valve is:
One first hot nozzle is set in flow distribution plate below; Corresponding one first cylinder block that is provided with on the said flow distribution plate; One hot nozzle fixed screw passes the upper end of the bottom of said first cylinder block, said flow distribution plate and said first hot nozzle, and said first cylinder block and said first hot nozzle and said flow distribution plate are fixed;
The part that said flow distribution plate is built between said first hot nozzle and said first cylinder block offers first through hole;
Be provided with a first piston in said first cylinder block, said first piston below is fixed with one first needle;
Offer one first needle set screw through hole on the said first piston; Offer screw thread in the said first needle set screw through hole; One first needle set screw places in the said first needle set screw through hole, and the screw thread in the screw thread of the said first needle set screw and the said first needle set screw through hole is complementary;
Said first needle set screw bottom is provided with the hook groove, and said first needle is installed in the below of the said first needle set screw through said hook groove;
Said first needle passes said first through hole and said first hot nozzle, and the bottom of said first needle and the said first hot nozzle bottom opening are complementary;
Be provided with one first needle cover in said first through hole, offer one first needle hole in said first needle cover, said needle passes the said first needle hole, and the inwall in said needle and the said first needle hole fits tightly;
Also comprise:
The identical needle-valve of a plurality of and said first needle valve structure is separately positioned on the said flow distribution plate;
One main nozzle is installed in the core of said flow distribution plate top;
Offer many breather pipes in the said flow distribution plate,, form integrated gas circuit so that said main nozzle communicates with the hot nozzle of said a plurality of needle-valves.
2. multiple spot needle-valve according to claim 1 is characterized in that, the part that said first piston and said first cylinder block are close to is provided with the Glais ring groove, is provided with Glais ring in the said Glais ring groove, and said Glais ring and said first cylinder block are close to.
3. multiple spot needle-valve according to claim 1 is characterized in that, a center nail spacers on said manifold plate lower, and said center nail pad place said main nozzle under.
4. multiple spot needle-valve according to claim 1 is characterized in that, is provided with heater in the said hot nozzle.
5. multiple spot needle-valve according to claim 1 is characterized in that, offers a flow distribution plate screw on the said flow distribution plate, and a flow distribution plate fixed screw passes said flow distribution plate screw.
6. multiple spot needle-valve according to claim 1 is characterized in that, said first cylinder block is provided with a High Temperature Gas pipe joint.
7. multiple spot needle-valve according to claim 1; It is characterized in that; Specifically comprise four needle-valves: said first needle-valve, one second needle-valve, one the 3rd needle-valve, one the 4th needle-valve; Said flow distribution plate is the X-shaped plate, and said main burner vertically is arranged on the center of said X-shaped flow distribution plate, and said first needle-valve, said second needle-valve, said the 3rd needle-valve, said the 4th needle-valve vertically are arranged on respectively in four branches of said X-shaped flow distribution plate.
8. according to the arbitrary described multiple spot needle-valve of claim 1 ~ 7, it is characterized in that said a plurality of needle-valves have identical architectural feature with said first needle-valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200220883U CN202462782U (en) | 2012-01-18 | 2012-01-18 | Multi-point needle valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200220883U CN202462782U (en) | 2012-01-18 | 2012-01-18 | Multi-point needle valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202462782U true CN202462782U (en) | 2012-10-03 |
Family
ID=46910974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200220883U Expired - Fee Related CN202462782U (en) | 2012-01-18 | 2012-01-18 | Multi-point needle valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202462782U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103213247A (en) * | 2012-01-18 | 2013-07-24 | 上海瀚典热流道科技有限公司 | Multipoint needle valve |
-
2012
- 2012-01-18 CN CN2012200220883U patent/CN202462782U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103213247A (en) * | 2012-01-18 | 2013-07-24 | 上海瀚典热流道科技有限公司 | Multipoint needle valve |
| CN103213247B (en) * | 2012-01-18 | 2016-12-14 | 上海瀚典热流道科技有限公司 | Multipoint needle valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121003 Termination date: 20140118 |