CN220841227U - Needle valve type injection mold structure - Google Patents
Needle valve type injection mold structure Download PDFInfo
- Publication number
- CN220841227U CN220841227U CN202322298774.4U CN202322298774U CN220841227U CN 220841227 U CN220841227 U CN 220841227U CN 202322298774 U CN202322298774 U CN 202322298774U CN 220841227 U CN220841227 U CN 220841227U
- Authority
- CN
- China
- Prior art keywords
- pouring
- needle valve
- valve type
- air pressure
- injection mold
- Prior art date
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Links
- 238000002347 injection Methods 0.000 title claims abstract description 17
- 239000007924 injection Substances 0.000 title claims abstract description 17
- 239000007788 liquid Substances 0.000 claims abstract description 26
- 239000003292 glue Substances 0.000 claims abstract description 13
- 238000005266 casting Methods 0.000 claims description 11
- 230000001105 regulatory effect Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 4
- 230000001276 controlling effect Effects 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 238000001746 injection moulding Methods 0.000 description 6
- 239000004033 plastic Substances 0.000 description 5
- 229920003023 plastic Polymers 0.000 description 5
- 239000002994 raw material Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002991 molded plastic Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
Landscapes
- Injection Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model relates to the technical field of injection molds, in particular to a needle valve type injection mold structure. The device comprises an upper die and a lower die which are arranged up and down correspondingly, and further comprises a needle valve type pouring structure arranged in the upper die and an air pressure control system which is matched with the needle valve type pouring structure and used for controlling the glue feeding amount of the needle valve type pouring structure, wherein the needle valve type pouring structure comprises a pouring inlet, a pouring liquid collecting groove, a plurality of air pressure connecting grooves which extend upwards from the pouring liquid collecting groove, a plurality of pouring columns which extend downwards from the pouring liquid collecting groove, and a pouring outlet which is arranged at the bottom of each pouring column. The utility model has the advantages that: the needle valve type pouring structure is adopted, so that a water gap is avoided, glue is dispensed, the process is stable, the toughness of a product is not affected, the air pressure is controlled to be conveyed through the air pressure control system, pouring liquid flows out, the flow speed of the pouring liquid is regulated through regulating the air pressure, and the fluency is ensured.
Description
Technical Field
The utility model relates to the technical field of injection molds, in particular to a needle valve type injection mold structure.
Background
Injection molding machines are also known as injection molding machines or injection molding machines. It is a main forming equipment for making thermoplastic plastics or thermosetting plastics into various shaped plastic products by using plastic forming mould. The device is divided into vertical type, horizontal type and full-electric type. The injection molding machine heats the plastic, applies high pressure to the molten plastic, and injects the molten plastic to fill the mold cavity.
In the prior art, the pouring gate is generally matched with the advancing glue, but the glue feeding method can generate a water gap, the glue feeding is unstable, the raw materials are recycled, and the toughness of the product can be influenced.
It is therefore necessary to design a needle valve type injection mold structure to solve the above problems.
Disclosure of utility model
The utility model aims to provide a needle valve type injection mold structure so as to overcome the defects in the prior art.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The utility model provides a needle valve formula injection mold structure, its includes upper mould and lower mould that corresponds the setting from top to bottom, its characterized in that: the needle valve type pouring structure is arranged in the upper die, is matched with the needle valve type pouring structure and is used for controlling the glue feeding amount of the needle valve type pouring structure, and comprises a pouring inlet, a pouring liquid collecting groove, a plurality of air pressure connecting grooves which extend upwards in the pouring liquid collecting groove, a plurality of pouring columns which extend downwards in the pouring liquid collecting groove, and a pouring outlet which is arranged at the bottom of each pouring column.
Preferably, each group of air pressure connecting grooves is arranged corresponding to one group of casting columns.
Preferably, the air pressure control system comprises a vacuum valve controller, an air outlet pipe and an air inlet pipe, wherein the air outlet pipe and the air inlet pipe are connected with the vacuum valve controller, and the other end of the air outlet pipe is communicated with the air pressure connecting groove.
Preferably, at least two sets of pouring outlets are provided.
Preferably, a plurality of cavities are arranged in the lower die, and the liquid outlet of each group of pouring outlets is arranged corresponding to one group of cavities
The beneficial effects of the utility model are as follows: according to the technical scheme, the needle valve type pouring structure is matched with the air pressure control system, the air pressure is controlled to be conveyed through the air pressure control system, so that pouring liquid flows out, injection molding is matched, the flow speed of the pouring liquid is regulated by regulating the air pressure, the glue feeding is smooth, raw materials can be saved, and compared with a traditional pouring gate type pouring gate, the needle valve type pouring gate is free of a water gap, glue feeding is performed, the process is stable, and the toughness of a product is not influenced.
Drawings
FIG. 1 is a schematic diagram of a needle valve type injection mold structure according to the present utility model;
FIG. 2 is a schematic view of a needle valve type casting structure of a needle valve type injection mold structure of the present utility model;
In the figure: 1. an upper die; 2. a lower die; 3. a needle valve type pouring structure; 4. an air pressure control system; 5. a cavity; 31. a pouring inlet; 32. a pouring liquid collecting tank; 33. an air pressure connecting groove; 34. casting a column; 35. a pouring outlet; 41. a vacuum valve controller; 42. an air outlet pipe; 43. and an air inlet pipe.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Referring to fig. 1 to 2, a needle valve type injection mold structure comprises an upper mold 1 and a lower mold 2 which are arranged up and down correspondingly, a needle valve type pouring structure 3 arranged in the upper mold, and an air pressure control system 4 which is matched with the needle valve type pouring structure and is used for controlling the glue feeding amount of the needle valve type pouring structure;
The needle valve type pouring structure 3 comprises a pouring inlet 31, a pouring liquid collecting groove 32, a plurality of air pressure connecting grooves 33 which extend upwards in the pouring liquid collecting groove, a plurality of pouring columns 34 which extend downwards in the pouring liquid collecting groove, and a pouring outlet 35 which is arranged at the bottom of each pouring column;
Each group of air pressure connecting grooves is arranged corresponding to one group of casting columns;
In order to increase the casting speed, at least two sets of casting outlets are provided. The liquid outlet of the pouring outlet is arranged corresponding to the cavity 5 of the lower die.
The air pressure control system 4 comprises a vacuum valve controller 41, an air outlet pipe 42 connected with the vacuum valve controller and an air inlet pipe 43, wherein the other end of the air outlet pipe is communicated with the air pressure connecting groove; the air inlet pipe 43 is externally connected with an air pump.
In this embodiment, the mould corresponds the pouring system installation, pouring system goes out the gum, the pouring liquid gets into from the pouring import, flow into the pouring liquid and collect the inslot, and flow into the casting column, needle valve formula advances and form airtight space between pouring structure and the pneumatic control system and the pouring system, thereby make the pouring liquid flow out through pneumatic control system control conveying air pressure, the cooperation is moulded plastics, through the size of adjusting air pressure, adjust the velocity of flow of pouring liquid, with this glue feed is more smooth, raw and other materials can be practiced thrift simultaneously, and for traditional runner formula, needle valve formula does not have the mouth of a river, the point advances the gum, the technology is more stable, can not influence product toughness.
The utility model has the advantages that the technical proposal controls the conveying air pressure through the needle valve type casting structure and the air pressure control system, so that casting liquid flows out and injection molding is carried out in a matching way, and the air pressure is regulated, the flow rate of the casting liquid is regulated, so that the glue feeding is smooth, raw materials can be saved, compared with the traditional pouring gate type, the needle valve type nozzle is not arranged, the glue is dispensed, the process is stable, and the toughness of a product is not influenced.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (5)
1. The utility model provides a needle valve formula injection mold structure, its includes upper mould and lower mould that corresponds the setting from top to bottom, its characterized in that: the needle valve type pouring structure is arranged in the upper die, is matched with the needle valve type pouring structure and is used for controlling the glue feeding amount of the needle valve type pouring structure, and comprises a pouring inlet, a pouring liquid collecting groove, a plurality of air pressure connecting grooves which extend upwards in the pouring liquid collecting groove, a plurality of pouring columns which extend downwards in the pouring liquid collecting groove, and a pouring outlet which is arranged at the bottom of each pouring column.
2. The needle valve type injection mold structure according to claim 1, wherein: each group of air pressure connecting grooves corresponds to one group of casting columns.
3. The needle valve type injection mold structure according to claim 1, wherein: the air pressure control system comprises a vacuum valve controller, an air outlet pipe and an air inlet pipe, wherein the air outlet pipe and the air inlet pipe are connected with the vacuum valve controller, and the other end of the air outlet pipe is communicated with the air pressure connecting groove.
4. The needle valve type injection mold structure according to claim 1, wherein: at least two groups of pouring outlets are arranged.
5. The needle valve type injection mold structure according to claim 1, wherein: a plurality of cavities are arranged in the lower die, and the liquid outlet of each group of pouring outlets corresponds to one group of cavities.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322298774.4U CN220841227U (en) | 2023-08-25 | 2023-08-25 | Needle valve type injection mold structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322298774.4U CN220841227U (en) | 2023-08-25 | 2023-08-25 | Needle valve type injection mold structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220841227U true CN220841227U (en) | 2024-04-26 |
Family
ID=90785563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322298774.4U Active CN220841227U (en) | 2023-08-25 | 2023-08-25 | Needle valve type injection mold structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220841227U (en) |
-
2023
- 2023-08-25 CN CN202322298774.4U patent/CN220841227U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |