CN213198626U - Needle valve type hot runner system - Google Patents
Needle valve type hot runner system Download PDFInfo
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- CN213198626U CN213198626U CN202021662091.2U CN202021662091U CN213198626U CN 213198626 U CN213198626 U CN 213198626U CN 202021662091 U CN202021662091 U CN 202021662091U CN 213198626 U CN213198626 U CN 213198626U
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Abstract
The utility model relates to the technical field of injection molding hot runners, in particular to a needle valve type hot runner system, which comprises a main injection nozzle, a splitter plate, a plurality of hot nozzles and a plurality of needle valve components; the flow distribution plate is provided with a main flow passage, a plurality of first branch flow passages and a plurality of second branch flow passages, each first branch flow passage is communicated with the main flow passage, the plurality of second branch flow passages are communicated with one first branch flow passage, a switching part is formed at the intersection of the second branch flow passages and the first branch flow passages, the second branch flow passages are communicated with one heat nozzle, and the main injection nozzle is arranged on the flow distribution plate and is communicated with the main flow passage; each needle valve component comprises a driving part and a valve needle, the valve needle is connected to the flow distribution plate in a sliding mode, and the driving part drives the valve needle to block or open the transfer part; through setting up a plurality of needle valve subassembly and a plurality of switching portion for opening or sealing of switching portion is controlled to a needle valve subassembly, realizes whether outside injecting glue independent control is chewed to every heat, avoids the formation of waste material, and then reduction in production cost.
Description
Technical Field
The utility model relates to an injection moulding hot runner technical field especially relates to a needle valve formula hot runner system.
Background
The stationery with the water receiver is generally processed and formed by an injection molding method, but the stationery with the water receiver has smaller volume, more inserts need to be designed in the design of an injection mold to meet the forming requirement, a sprue of a hot runner is complicated in design in order to avoid the structure of the inserts, more waste materials are generated in the forming process of a workpiece, the treatment process of later-stage waste materials is increased, the production cost is improved, and the phenomenon of uneven temperature is easily generated in the flowing process of molten rubber materials in the hot runner to influence the forming quality of products.
Disclosure of Invention
In order to overcome the problems of more waste materials, more processing procedures and high production cost existing in the prior art, the utility model aims to provide a needle valve type hot runner system, which reduces the waste materials, the processing procedures and the production cost.
In order to achieve the above purpose, the technical scheme of the utility model is that:
a needle valve type hot runner system comprises a main injection nozzle, a splitter plate, a plurality of hot nozzles and a plurality of needle valve components;
the flow distribution plate is provided with a main flow passage, a plurality of first branch flow passages and a plurality of second branch flow passages, each first branch flow passage is communicated with the main flow passage, each first branch flow passage is communicated with a plurality of second branch flow passages, a junction part is formed at the intersection of one second branch flow passage and the first branch flow passage, one second branch flow passage is communicated with one heat nozzle, and the main injection nozzle is arranged on the flow distribution plate and is communicated with the main flow passage;
every needle valve subassembly all includes driving piece and needle, the flow distribution plate is located to the driving piece, needle sliding connection is in the flow distribution plate, driving piece drive needle shutoff or open switching portion.
Furthermore, the three first branch runners are in a group and arranged in a Y shape.
Further, the valve needle is arranged right above the adapter part.
Furthermore, a first heating element is arranged on the main nozzle.
Furthermore, the flow distribution plate is provided with a second heating element, and the second heating element is positioned between the two second flow distribution channels.
Furthermore, the hot nozzle comprises a body, a third flow channel and a third heating element, the third flow channel penetrates through the body along the height direction of the body, one of the second branch flow channels is communicated with one of the third flow channels, and the third heating element is embedded in the body.
The utility model has the advantages that: through setting up a plurality of needle valve subassembly and a plurality of switching portion for opening or sealing of a switching portion is controlled to a needle valve subassembly, realizes that control melting sizing material gets into the purpose that second divides runner, heat chewed and external one-tenth die cavity, and whether outside injecting glue independent control is chewed to every heat, avoids the formation of waste material, and then reduction in production cost.
Drawings
Fig. 1 is a top view of the present invention;
FIG. 2 is a front view of the present invention;
fig. 3 is a side view of the present invention.
The reference numerals include:
1-main nozzle 11-first heating element 2-flow dividing plate
21-main runner 22-first branch runner 23-second branch runner
24-switching part 25-second heating piece 253-heat mouth
31-body 32-third flow passage 33-third heating element
4-needle valve assembly 41-driving member 42-valve needle.
Detailed Description
In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and accompanying drawings, which are not intended to limit the present invention.
Referring to fig. 1 to 3, the needle valve type hot runner system of the present invention includes a main nozzle 1, a splitter plate 2, a plurality of hot nozzles 3, and a plurality of needle valve assemblies 4;
the flow distribution plate 2 is provided with a main flow passage 21, a plurality of first branch flow passages 22 and a plurality of second branch flow passages 23, each first branch flow passage 22 is communicated with the main flow passage 21, each first branch flow passage 22 is communicated with a plurality of second branch flow passages 23, an adapter part 24 is formed at the intersection of one second branch flow passage 23 and the first branch flow passage 22, one second branch flow passage 23 is communicated with one heat nozzle 3, and the main injection nozzle 1 is arranged on the flow distribution plate 2 and is communicated with the main flow passage 21;
every needle valve assembly 4 all includes driving piece 41 and needle 42, flow distribution plate 2 is located to driving piece 41, needle 42 sliding connection is in flow distribution plate 2, driving piece 41 drives needle 42 shutoff or opens switching portion 24.
Specifically, in this embodiment, a main flow channel 21 is processed on the flow distribution plate 2, the main flow channel 21 includes two longitudinal flow channels and one transverse flow channel, the number of the first branch flow channels 22 is twelve, wherein three first branch flow channels 22 form a group, three first branch flow channels 22 form a Y shape, the intersection of the three first branch flow channels 22 is communicated with the transverse flow channel, the first branch flow channel 22 is intersected with the second branch flow channel 23, the intersection of the first branch flow channel 22 and the second branch flow channel 23 is an adapter 24, one second branch flow channel 23 is communicated with one heat nozzle 3, the molten rubber sequentially enters an external forming cavity through the main flow channel 21, the first branch flow channel 22, the adapter 24, the second branch flow channel 23 and the heat nozzle 3 to complete the forming of the workpiece, when feeding is required, the driving element 41 drives the valve needle 42 to be away from the adapter 24 to open the adapter 24, that is, the adapter 24 is in an open state, the molten rubber enters the second branch, according to production needs, the driving piece 41 drives the valve needle 42 to abut against the switching part 24 to block the switching part 24, so that the switching part 24 is in a closed state, molten rubber stops entering the second branch flow channel 23, the corresponding hot nozzle 3 does not inject rubber outwards, one valve needle 42 is used for independently controlling one hot nozzle 3, and the controllability of the forming quantity of workpieces is realized by increasing or decreasing the quantity of the glue injected outwards by the hot nozzle 3 according to the forming quantity of the actually required workpieces.
Through setting up a plurality of needle valve subassembly 4 and a plurality of switching portion 24 for opening or closing of switching portion 24 is controlled to a needle valve subassembly 4, realizes that control molten rubber material gets into the purpose that second minute runner 23, heat chewed 3 and external one-tenth die cavity, and whether every heat chews 3 outside injecting glue independent control, avoids the formation of waste material, and then reduction in production cost.
The valve needle 42 is arranged right above the switching part 24, so that the distance of the glue inlet flow channel is further shortened, and the utilization rate of the molten glue is improved.
The main injection nozzle 1 is provided with a first heating part 11, and the first heating part 11 is arranged to ensure the temperature stability of the main injection nozzle 1 in the working state and improve the qualified rate of workpiece forming.
The flow distribution plate 2 is provided with a second heating element 25, the second heating element 25 is positioned between the two second branch flow passages 23, the second heating element 25 further ensures the temperature stability of the sizing material when the sizing material flows through the second branch flow passages 23, and the qualified rate of workpiece forming is improved.
The hot nozzle 3 comprises a body 31, a third flow channel 32 and a third heating element 33, the third flow channel 32 penetrates through the body 31 along the height direction of the body 31, one second shunt channel 23 is communicated with the third flow channel 32, the third heating element 33 is embedded in the body 31, and the third heating element 33 further ensures the stability of the temperature of the sizing material when the third flow channel 32 in the hot nozzle 3 flows through, so that the qualified rate of workpiece forming is improved.
The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.
Claims (6)
1. A needle valve hot runner system, comprising: comprises a main injection nozzle (1), a splitter plate (2), a plurality of hot nozzles (3) and a plurality of needle valve components (4);
the flow distribution plate (2) is provided with a main flow channel (21), a plurality of first branch flow channels (22) and a plurality of second branch flow channels (23), each first branch flow channel (22) is communicated with the main flow channel (21), each first branch flow channel (22) is communicated with a plurality of second branch flow channels (23), a junction part (24) is formed at the intersection of one second branch flow channel (23) and the first branch flow channel (22), one second branch flow channel (23) is communicated with one heat nozzle (3), and the main injection nozzle (1) is arranged on the flow distribution plate (2) and communicated with the main flow channel (21);
every needle valve subassembly (4) all includes driving piece (41) and needle (42), flow distribution plate (2) are located in driving piece (41), needle (42) sliding connection is in flow distribution plate (2), switching portion (24) are perhaps opened in the shutoff of driving piece (41) drive needle (42).
2. The needle valve hot runner system according to claim 1, wherein: the three first branch flow passages (22) are in a group and arranged in a Y shape.
3. The needle valve hot runner system according to claim 1, wherein: the valve needle (42) is arranged right above the adapter part (24).
4. The needle valve hot runner system according to claim 1, wherein: the main nozzle (1) is provided with a first heating element (11).
5. The needle valve hot runner system according to claim 1, wherein: the flow distribution plate (2) is provided with a second heating element (25), and the second heating element (25) is positioned between the two second flow distribution channels (23).
6. The needle valve hot runner system according to claim 1, wherein: the hot nozzle (3) comprises a body (31), a third flow passage (32) and a third heating element (33), the third flow passage (32) penetrates through the body (31) along the height direction of the body (31), one second sub-flow passage (23) is communicated with the third flow passage (32), and the third heating element (33) is embedded in the body (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021662091.2U CN213198626U (en) | 2020-08-11 | 2020-08-11 | Needle valve type hot runner system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021662091.2U CN213198626U (en) | 2020-08-11 | 2020-08-11 | Needle valve type hot runner system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213198626U true CN213198626U (en) | 2021-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021662091.2U Active CN213198626U (en) | 2020-08-11 | 2020-08-11 | Needle valve type hot runner system |
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| CN (1) | CN213198626U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114506017A (en) * | 2021-11-26 | 2022-05-17 | 乐清昌德成电子有限公司 | Multi-glue-injection-port mold |
| CN115946303A (en) * | 2023-03-09 | 2023-04-11 | 宁波语方模塑有限公司 | Injection mold for automobile fender |
-
2020
- 2020-08-11 CN CN202021662091.2U patent/CN213198626U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114506017A (en) * | 2021-11-26 | 2022-05-17 | 乐清昌德成电子有限公司 | Multi-glue-injection-port mold |
| CN115946303A (en) * | 2023-03-09 | 2023-04-11 | 宁波语方模塑有限公司 | Injection mold for automobile fender |
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