CN217021293U - Pneumatic needle valve type single nozzle for high-temperature material processing - Google Patents
Pneumatic needle valve type single nozzle for high-temperature material processing Download PDFInfo
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- CN217021293U CN217021293U CN202220404147.7U CN202220404147U CN217021293U CN 217021293 U CN217021293 U CN 217021293U CN 202220404147 U CN202220404147 U CN 202220404147U CN 217021293 U CN217021293 U CN 217021293U
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- needle valve
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- distribution plate
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Abstract
The utility model discloses a pneumatic needle valve type single nozzle for high-temperature material processing, which comprises a material guide pipe, a flow distribution plate, a nozzle and a pneumatic mechanism, wherein the pneumatic mechanism is installed at the upper end of the flow distribution plate, the material guide pipe is fixed at the lower end of the flow distribution plate through a connecting mechanism, the nozzle is fixed at the lower end of the material guide pipe, a needle valve is installed in the material guide pipe, the needle valve penetrates through the flow distribution plate and is fixedly connected with the pneumatic mechanism, a melt pipeline is arranged in the flow distribution plate, and the melt pipeline is communicated with the material guide pipe.
Description
Technical Field
The utility model relates to the technical field of needle valve type single nozzles, in particular to a pneumatic needle valve type single nozzle for high-temperature material processing.
Background
The hot runner mold is a mold in which a melt in a runner is not solidified all the time by using a heating device. Because the forming period of the hot runner mold is shorter than that of the traditional mold and raw materials are saved, the hot runner mold is widely applied to various industrially developed countries and regions in the world at present, the hot runner mold has various forms according to different nozzle structure forms, the types are the same and different, but the processing technology and the implementation method of each manufacturer are greatly different, and the quality and the price difference of a hot runner system are determined. The needle valve type nozzle is an important component of a hot runner injection molding system, and the opening and closing of a nozzle opening are realized by the up-and-down movement of a needle valve.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a pneumatic needle valve type single nozzle for high-temperature material processing, which solves the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme:
the utility model provides a pneumatic needle valve formula single nozzle is used in high temperature materials processing, includes passage, flow distribution plate, shower nozzle and pneumatic mechanism, pneumatic mechanism is installed to the flow distribution plate upper end, the flow distribution plate lower extreme is fixed with the passage through coupling mechanism, the passage lower extreme is fixed with the shower nozzle, install the needle valve in the passage, the needle valve run through the flow distribution plate and with pneumatic mechanism fixed connection, the melt pipeline has been seted up in the flow distribution plate, melt pipeline and passage intercommunication.
Preferably, the guide pipe is of a multilayer structure and comprises an inner heat conduction layer and an outer protective layer, a heating cavity is further formed between the heat conduction layer and the protective layer, an electric heating wire is spirally wound in the heating cavity, and heat conduction silicone grease is further filled in the heating cavity.
Preferably, the pneumatic mechanism is including installing the atmospheric pressure seat in the flow distribution plate upper end, set up the atmospheric pressure chamber in the atmospheric pressure seat, install the cylinder in the atmospheric pressure chamber, the flexible end of cylinder and the upper end fixed connection of needle valve.
Preferably, the connecting mechanism comprises a connecting groove formed in the lower end of the flow distribution plate and a connecting seat integrally formed at the upper end of the material guide pipe, the cross section of the connecting seat is stepped, the connecting seat is screwed in the connecting groove through threads, and a sealing ring is further arranged between the connecting seat and the connecting groove.
Preferably, a heat insulation sealing ring is arranged between the needle valve and the flow distribution plate.
Preferably, the hemispherical fixed block is installed to the needle valve lower extreme, fixed block lower extreme integrated into one piece has the sealed head of round platform shape, the size of sealed head and the discharge gate looks adaptation of shower nozzle lower extreme.
Compared with the prior art, the utility model has the beneficial effects that: the feeding pipe with the heating function is arranged, so that the risk of cooling and caking of the molten material in the feeding pipe can be effectively reduced; through setting up coupling mechanism, be convenient for with passage and flow distribution plate fixed connection. The utility model has simple structure, can effectively reduce the risk of cooling and caking of the molten material in the material guide pipe, thereby improving the fluidity of the molten material and bringing convenience to the technical field of needle valve type single nozzles.
Drawings
FIG. 1 is a schematic front view of a pneumatic needle valve type single nozzle for high temperature material processing;
fig. 2 is a schematic sectional front view of a pneumatic needle valve type single nozzle for high-temperature material processing.
In the figure: 1-a guide pipe, 11-a protective layer, 12-a heating cavity, 13-an electric heating wire, 14-a heat conducting layer, 2-a spray head, 3-a splitter plate, 31-a melt pipeline, 4-a pneumatic mechanism, 41-a cylinder, 42-a pneumatic cavity, 43-a pneumatic seat, 5-a connecting mechanism, 51-a connecting groove, 52-a sealing ring, 53-a connecting seat, 6-a needle valve, 61-a sealing head, 62-a fixing block and 7-a heat insulation sealing ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1: referring to fig. 1-2, an air-actuated needle valve type single nozzle for high-temperature material processing includes a material guiding pipe 1, a flow distribution plate 3, a nozzle 2 and an air pressure mechanism 4, wherein the air pressure mechanism 4 is installed at the upper end of the flow distribution plate 3, the material guiding pipe 1 is fixed at the lower end of the flow distribution plate 3 through a connecting mechanism 5, the nozzle 2 is fixed at the lower end of the material guiding pipe 1, a needle valve 6 is installed in the material guiding pipe 1, the needle valve 6 penetrates through the flow distribution plate 3 and is fixedly connected with the air pressure mechanism 4, a melt pipeline 31 is arranged in the flow distribution plate 3, and the melt pipeline 31 is communicated with the material guiding pipe 1.
The material guide pipe 1 is of a multilayer structure and comprises an inner heat conduction layer 14 and an outer protective layer 11, a heating cavity 12 is further formed between the heat conduction layer 14 and the protective layer 11, an electric heating wire 13 is spirally wound in the heating cavity 12, and heat conduction silicone grease is further filled in the heating cavity 12.
Through setting up inoxidizing coating 11, can improve the intensity of passage, prolong its life, the electric heating wire 13 of installation in the heating chamber 12 can heat the melt in the passage 1, prevents that its cooling caking from blockking up the passage, and heat conduction silicone grease cooperates heat-conducting layer 14 can improve the heat conduction effect, reduces the consumption of electric energy.
The pneumatic mechanism 4 is including installing the pneumatic seat 43 in the flow distribution plate 3 upper end, pneumatic chamber 42 has been seted up in the pneumatic seat 43, install cylinder 41 in the pneumatic chamber 42, the flexible end of cylinder 41 and the upper end fixed connection of needle valve 6.
Through setting up pneumatic mechanism 4, be convenient for control the ejection of compact of passage 1, during the use, shrink cylinder 41 makes it drive needle valve 6 and shifts up to make sealed head 61 extract in the discharge gate of shower nozzle 2 lower extreme, thereby realize the blowing, after accomplishing the blowing, extension cylinder 41 makes sealed head 61 insert the discharge gate of shower nozzle 2 lower extreme again in, prevents the leakage of melt.
The connecting mechanism 5 comprises a connecting groove 51 formed in the lower end of the flow distribution plate 3 and a connecting seat 53 integrally formed at the upper end of the material guide pipe 1, the section of the connecting seat 53 is in a step shape, the connecting seat 53 is screwed in the connecting groove 51, and a sealing ring 52 is further arranged between the connecting seat 53 and the connecting groove 51.
Through setting up coupling mechanism 5, the dismouting of passage 1 of being convenient for is convenient for change, during the use, can accomplish the installation with connecting seat 53 screw thread spiral dress in spread groove 51.
And a heat insulation sealing ring 7 is arranged between the needle valve 6 and the flow distribution plate 3. By providing the insulating gasket 7, the possibility of melt overflowing into the pneumatic chamber 42 can be reduced.
Example 2: referring to fig. 1-2, the pneumatic needle valve type single nozzle for processing the high-temperature material is different from embodiment 1 in that the pneumatic needle valve type single nozzle further comprises a sealing head 61, a hemispherical fixing block 62 is mounted at the lower end of the needle valve 6, the lower end of the fixing block 62 is integrally formed with the truncated cone-shaped sealing head 61, and the size of the sealing head 61 is matched with a discharge hole at the lower end of the spray head 2.
The hemispherical fixing block 62 can reduce resistance when the needle valve 6 moves upward, and the truncated cone-shaped sealing head 61 is convenient to insert into a discharge port at the lower end of the nozzle 2, so that melt leakage from the lower end of the nozzle 2 is prevented.
The working principle of the utility model is as follows: during the use, at first in screwing in connecting groove 51 with connecting seat 53 screw thread, immediately, heat in to passage 1 through motor heater 13, input the melt pipeline by flow distribution plate 3's melt pipeline 31 afterwards, cylinder 41 makes it drive needle valve 6 and shifts up simultaneously to make sealing head 61 extract in the discharge gate of shower nozzle 2 lower extreme, the melt of being convenient for is exported by shower nozzle 2, has reduced the risk of the melt cooling caking in passage 1, improves its mobility.
In the present invention, terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", etc. indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only terms determined for convenience of describing structural relationships of components or elements of the present invention, and are not intended to refer to any components or elements of the present invention, and should not be construed as limiting the present invention.
Claims (6)
1. The utility model provides a high temperature material processing is with pneumatic needle valve formula single jet, includes passage (1), flow distribution plate (3), shower nozzle (2) and pneumatic pressure mechanism (4), its characterized in that: air pressure mechanism (4) are installed to flow distribution plate (3) upper end, flow distribution plate (3) lower extreme is fixed with passage (1) through coupling mechanism (5), passage (1) lower extreme is fixed with shower nozzle (2), install needle valve (6) in passage (1), needle valve (6) run through flow distribution plate (3) and with air pressure mechanism (4) fixed connection, melt pipeline (31) have been seted up in flow distribution plate (3), melt pipeline (31) and passage (1) intercommunication.
2. A pneumatic needle valve type single nozzle for high temperature materials processing according to claim 1, wherein: the material guide pipe (1) is of a multilayer structure and comprises an inner heat conduction layer (14) and an outer protective layer (11), a heating cavity (12) is further formed between the heat conduction layer (14) and the protective layer (11), an electric heating wire (13) is spirally wound in the heating cavity (12), and heat conduction silicone grease is further filled in the heating cavity (12).
3. A pneumatic needle valve type single nozzle for high temperature material processing according to claim 1, wherein: pneumatic mechanism (4) are including installing pneumatic seat (43) in flow distribution plate (3) upper end, pneumatic chamber (42) have been seted up in pneumatic seat (43), install cylinder (41) in pneumatic chamber (42), the flexible end of cylinder (41) and the upper end fixed connection of needle valve (6).
4. A pneumatic needle valve type single nozzle for high temperature materials processing according to claim 1, wherein: coupling mechanism (5) include connecting groove (51) that flow distribution plate (3) lower extreme was seted up and connecting seat (53) of passage (1) upper end integrated into one piece, the cross-section of connecting seat (53) is the stairstepping, connecting seat (53) screw thread dress is in connecting groove (51), still be provided with between connecting seat (53) and connecting groove (51) sealing washer (52).
5. A pneumatic needle valve type single nozzle for high temperature material processing according to claim 1, wherein: and a heat insulation sealing ring (7) is arranged between the needle valve (6) and the flow distribution plate (3).
6. A pneumatic needle valve type single nozzle for high temperature materials processing according to claim 1, wherein: hemispherical fixed block (62) are installed to needle valve (6) lower extreme, fixed block (62) lower extreme integrated into one piece has sealing head (61) of round platform shape, sealing head (61)'s size and shower nozzle (2) lower extreme discharge gate looks adaptation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220404147.7U CN217021293U (en) | 2022-02-24 | 2022-02-24 | Pneumatic needle valve type single nozzle for high-temperature material processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220404147.7U CN217021293U (en) | 2022-02-24 | 2022-02-24 | Pneumatic needle valve type single nozzle for high-temperature material processing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217021293U true CN217021293U (en) | 2022-07-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220404147.7U Active CN217021293U (en) | 2022-02-24 | 2022-02-24 | Pneumatic needle valve type single nozzle for high-temperature material processing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217021293U (en) |
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2022
- 2022-02-24 CN CN202220404147.7U patent/CN217021293U/en active Active
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