CN213260859U - Multi-head needle valve hot runner system - Google Patents
Multi-head needle valve hot runner system Download PDFInfo
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- CN213260859U CN213260859U CN202021376020.6U CN202021376020U CN213260859U CN 213260859 U CN213260859 U CN 213260859U CN 202021376020 U CN202021376020 U CN 202021376020U CN 213260859 U CN213260859 U CN 213260859U
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- flow
- flow channels
- runner
- needle valve
- outer ring
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Abstract
The utility model discloses a bull needle valve hot runner system, chew, heating plate, needle valve and third heat including first heat, the second is hot to chew, the second is hot to be provided with many and first heat chew the second runner of interior first runner intercommunication, the second runner is cyclic annular align to grid and divide into inside and outside two rings, the needle valve corresponds outer lane second runner sets up, the third is hot to be chewed and is provided with a plurality of third runners, every the third runner intercommunication is one outer lane second runner and rather than the inner circle second runner that corresponds, the heating plate sets up the second heat is chewed the interior parcel second runner of second. The utility model discloses a many second runners in the second heat is chewed shunt the fuse-element, and a plurality of heating plates of cooperation make the fuse-element fully heat in the second runner and the heating is even.
Description
Technical Field
The utility model relates to a hot runner technical field specifically is a bull needle valve hot runner system.
Background
The hot runner mold is mainly used for producing plastic products, the melt in the runner is not solidified all the time by utilizing the heating device, and compared with the traditional mold, the hot runner mold has a short forming period and saves more raw materials, so the hot runner mold is widely applied to developed countries and regions of various industries in the world. The main work flow of the hot runner mold for injection molding products is that the molten plastic raw material is firstly injected into a main runner of the hot runner mold from an injection molding machine, the molten plastic raw material flows through a sub-runner and then flows to a nozzle, and then the molten plastic raw material is injected into a mold cavity through the nozzle, and finally the plastic products are molded.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a bull needle valve hot runner system to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a multi-headed needle valve hot runner system comprising:
the first hot nozzle is internally provided with a first flow passage;
the top of the second heat nozzle is abutted against the first heat nozzle, a plurality of second flow channels communicated with the first flow channels are arranged in the second heat nozzle, the second flow channels are uniformly arranged in an annular shape and are divided into an inner ring and an outer ring, and the outer ring second flow channels and the inner ring second flow channels are arranged in parallel in a one-to-one correspondence manner;
the heating sheet comprises a first heating sheet arranged between the second flow channels of the inner ring, an annular second heating sheet arranged between the second flow channels of the outer ring and the inner ring and a third hot runner wrapped on the outer side of the second flow channel of the outer ring;
the needle valve comprises a valve body sleeved outside the second hot nozzle, an annular plate which moves up and down is arranged in the valve body, a plurality of needle valves are arranged at the bottom of the annular plate and are in one-to-one correspondence with the outer ring second flow channel, the bottom end of the annular plate is inserted into the outer ring second flow channel, and the needle valves are connected with air cylinders which push the inner annular plate to move up and down;
and the third heat nozzle is provided with a plurality of third flow channels, the top of each third flow channel is communicated with one outer ring second flow channel and the corresponding inner ring second flow channel, and the bottom of each third flow channel is provided with a nozzle head.
Further, the number of the second flow passages of the inner ring is specifically four.
Further, the first heat mouth, the second heat mouth and the third heat mouth are all columnar.
Furthermore, each second flow passage is provided with an inclined transition flow passage at the communication position with the first flow passage.
Compared with the prior art, the beneficial effects of the utility model are that: the melt is divided by a plurality of second flow channels in the second heat nozzle, and the melt is fully heated and uniformly heated in the second flow channels by matching with a plurality of heating sheets; the opening and closing of the second runner of the outer ring are controlled by the needle valve, so that the flow of the melt flowing into the third runner is controlled.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: a multi-headed needle valve hot runner system comprising:
a first hot nozzle 1 having a first flow path 11 provided therein;
the top of the second heat nozzle 2 is abutted against the first heat nozzle, a plurality of second flow channels 21 communicated with the first flow channels are arranged in the second heat nozzle 2, the second flow channels 21 are uniformly arranged in an annular shape and are divided into an inner ring and an outer ring, the outer ring second flow channels 211 and the inner ring second flow channels 212 are arranged side by side in a one-to-one correspondence manner, and flow distribution is carried out through the two rings of second flow channels;
the heating plate 3 comprises a first heating plate 31 arranged between the inner ring second flow channels, an annular second heating plate 32 arranged between the outer ring second flow channels and the inner ring second flow channels and a third hot runner 33 wrapped on the outer side of the outer ring second flow channels, and the three heating plates are used for fully and uniformly heating the fluid in each second flow channel;
the needle valve 4 comprises a valve body 41 sleeved outside the second heat nozzle 2, an annular plate 42 which moves up and down is arranged in the valve body, a plurality of needle valves 43 are arranged at the bottom of the annular plate 42 and correspond to the outer ring second flow channels 211 one by one, the bottom ends of the needle valves are inserted into the annular plate, the needle valves are connected with air cylinders 44 which push the inner annular plate to move up and down, the air above the annular plate is filled or pumped out, the up and down movement of the annular plate is controlled, the needle valves are controlled, and the outer ring second flow channels are opened or closed through the needle valves, so that the rate of fluid flowing into the third flow channels is adjusted;
and the third hot nozzle 5 is provided with a plurality of third flow channels 51, the top of each third flow channel 51 is communicated with one outer ring second flow channel 211 and the corresponding inner ring second flow channel 212, and the bottom of each third flow channel is provided with a nozzle head 52.
The number of the inner ring second flow passages 212 is specifically four.
The first hot mouth 1, the second hot mouth 2 and the third hot mouth 5 are all columnar.
Each of the second flow passages 21 is provided with an inclined transition flow passage 213 at a communication position with the first flow passage 11.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. A multi-head needle valve hot runner system, comprising:
the first hot nozzle is internally provided with a first flow passage;
the top of the second heat nozzle is abutted against the first heat nozzle, a plurality of second flow channels communicated with the first flow channels are arranged in the second heat nozzle, the second flow channels are uniformly arranged in an annular shape and are divided into an inner ring and an outer ring, and the outer ring second flow channels and the inner ring second flow channels are arranged in parallel in a one-to-one correspondence manner;
the heating sheet comprises a first heating sheet arranged between the second flow channels of the inner ring, an annular second heating sheet arranged between the second flow channels of the outer ring and the inner ring and a third hot runner wrapped outside the second flow channels of the outer ring;
the needle valve comprises a valve body sleeved outside the second hot nozzle, an annular plate which moves up and down is arranged in the valve body, a plurality of needle valves are arranged at the bottom of the annular plate and are in one-to-one correspondence with the outer ring second flow channel, the bottom end of the annular plate is inserted into the outer ring second flow channel, and the needle valves are connected with air cylinders which push the inner annular plate to move up and down;
and the third heat nozzle is provided with a plurality of third flow channels, the top of each third flow channel is communicated with one outer ring second flow channel and the corresponding inner ring second flow channel, and the bottom of each third flow channel is provided with a nozzle head.
2. The multi-head needle valve hot runner system according to claim 1, wherein the number of the inner ring second flow passages is four.
3. The multi-headed needle valve hot runner system according to claim 1 wherein the first, second and third hot nozzles are cylindrical.
4. The multi-head needle valve hot runner system according to claim 1, wherein each of the second flow passages is provided with an inclined transition flow passage at a communication position with the first flow passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021376020.6U CN213260859U (en) | 2020-07-14 | 2020-07-14 | Multi-head needle valve hot runner system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021376020.6U CN213260859U (en) | 2020-07-14 | 2020-07-14 | Multi-head needle valve hot runner system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213260859U true CN213260859U (en) | 2021-05-25 |
Family
ID=75960185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021376020.6U Active CN213260859U (en) | 2020-07-14 | 2020-07-14 | Multi-head needle valve hot runner system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213260859U (en) |
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2020
- 2020-07-14 CN CN202021376020.6U patent/CN213260859U/en active Active
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