CN221067039U - Metal insert P+R rubber coating mould structure - Google Patents
Metal insert P+R rubber coating mould structure Download PDFInfo
- Publication number
- CN221067039U CN221067039U CN202322768849.0U CN202322768849U CN221067039U CN 221067039 U CN221067039 U CN 221067039U CN 202322768849 U CN202322768849 U CN 202322768849U CN 221067039 U CN221067039 U CN 221067039U
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- China
- Prior art keywords
- silica gel
- plastic
- cavity
- metal insert
- core
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- 239000002184 metal Substances 0.000 title claims abstract description 45
- 238000010073 coating (rubber) Methods 0.000 title description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 90
- 239000004033 plastic Substances 0.000 claims abstract description 90
- 239000000741 silica gel Substances 0.000 claims abstract description 90
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 90
- 238000005538 encapsulation Methods 0.000 claims abstract description 32
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 238000009413 insulation Methods 0.000 description 6
- 238000001746 injection moulding Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model provides a metal insert P+R encapsulation die structure, which comprises an upper fixed plate, a splitter plate, a fixed die core, a movable die plate, a base plate and a lower fixed plate; the fixed die core comprises a plastic fixed die core and a silica gel fixed die core, the movable die core comprises a plastic movable die core and a silica gel movable die core, the plastic fixed die core and the plastic movable die core form a plastic cavity, the silica gel fixed die core and the silica gel movable die core form a silica gel cavity, a hot runner system is arranged above the plastic cavity, a cold runner system is arranged above the silica gel cavity, the hot runner system is used for injecting plastic into the plastic cavity, and the cold runner system is used for injecting silica gel into the silica gel cavity. According to the utility model, the two ends of the metal insert are respectively arranged in the silica gel cavity and the plastic cavity, the silica gel encapsulation is carried out on one side of the metal insert through the cold runner system, and the plastic encapsulation is carried out on the other side of the metal insert through the hot runner system, so that the silica gel encapsulation and the plastic encapsulation processes of the metal insert in one set of die are realized, the cost is saved, and the production efficiency is improved.
Description
Technical Field
The utility model relates to the field of dies, in particular to a metal insert P+R encapsulation die structure.
Background
At present, a P+R encapsulation process is commonly used in the manufacture of metal inserts, wherein P represents injection molding plastic of an injection mold, R represents injection molding silica gel of a silica gel mold, namely, the same metal insert is encapsulated with plastic rubber firstly and then encapsulated with silica gel, the common practice is to open two sets of molds, open one set of metal insert plastic rubber encapsulation mold firstly, and then put into the silica gel mold after injection molding to complete injection molding. The development, design and manufacture difficulties of a plurality of sets of moulds are high, the cost is high, and the production efficiency is low due to the fact that the moulds are sequentially used for forming and encapsulating.
Disclosure of utility model
In order to overcome the defects in the prior art, the utility model provides a metal insert P+R encapsulation die structure, which aims to solve the problems.
The utility model is realized in the following way: a metal insert P+R encapsulation mold structure comprises an upper fixed plate, a flow dividing plate, a fixed mold core, a movable mold plate, a base plate and a lower fixed plate which are arranged from top to bottom; the fixed die core comprises a plastic fixed die core and a silica gel fixed die core, the movable die core comprises a plastic movable die core and a silica gel movable die core, the plastic fixed die core and the plastic movable die core form a plastic cavity, the silica gel fixed die core and the silica gel movable die core form a silica gel cavity, a hot runner system is arranged above the plastic cavity, a cold runner system is arranged above the silica gel cavity, the hot runner system is used for injecting plastic into the plastic cavity, and the cold runner system is used for injecting silica gel into the silica gel cavity.
Further, a vertical heat insulation plate is arranged between the plastic cavity and the silica gel cavity, a horizontal heat insulation plate is arranged between the fixed die plate and the flow distribution plate and between the movable die plate and the base plate.
Further, 2-4 first positioning grooves are formed in the silica gel movable mold core, 2-4 second positioning grooves are formed in the corresponding plastic movable mold core, 2-4 third positioning grooves are formed in the end face, facing the silica gel movable mold core, of the silica gel fixed mold core, and 2-4 fourth positioning grooves are formed in the end face, facing the plastic movable mold core, of the corresponding plastic fixed mold core.
Further, a positioning needle is arranged at one end, far away from the plastic movable mould core, of the first positioning groove on the silica gel movable mould core, and guide needles are arranged at two sides of one end, close to the plastic movable mould core, of the first positioning groove.
Further, the silica gel cover half benevolence sets up a plurality of bullet needles, the bullet needle can pass the third constant head tank.
Further, the cold runner system comprises a silica gel port and a cold runner pipe, wherein the upper end of the cold runner pipe is communicated with the silica gel port, and the lower end of the cold runner pipe is communicated with the silica gel cavity.
Further, the hot runner system comprises a plastic port and a hot runner pipe, wherein one end of the hot runner pipe is communicated with the plastic port, and the other end of the hot runner pipe is communicated with the plastic cavity.
The beneficial effects of the utility model are as follows:
The metal insert P+R encapsulation die has a simple structure and reasonable and smart design, and comprises an upper fixed plate, a splitter plate, a fixed die core, a movable die plate, a base plate and a lower fixed plate which are arranged from top to bottom; the fixed die core comprises a plastic fixed die core and a silica gel fixed die core, the movable die core comprises a plastic movable die core and a silica gel movable die core, the plastic fixed die core and the plastic movable die core form a plastic cavity, the silica gel fixed die core and the silica gel movable die core form a silica gel cavity, a hot runner system is arranged above the plastic cavity, a cold runner system is arranged above the silica gel cavity, the hot runner system is used for injecting plastic into the plastic cavity, and the cold runner system is used for injecting silica gel into the silica gel cavity. According to the utility model, the two ends of the metal insert are respectively fixed in the silica gel cavity and the plastic cavity, the silica gel is injected into the silica gel cavity through the cold runner system, the silica gel encapsulation is carried out on one side of the metal insert, the plastic is injected into the plastic cavity through the hot runner system, and the plastic encapsulation is carried out on the other side of the metal insert, so that the silica gel encapsulation and the plastic encapsulation technology of the metal insert in one set of mold are realized, the cost is saved, and meanwhile, the production efficiency is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is an exploded view of a metal insert P+R encapsulation mold structure according to the present utility model;
FIG. 2 is a cross-sectional view of a metal insert P+R encapsulation mold structure according to the present utility model;
FIG. 3 is a schematic diagram of the movable mold insert and the metal insert of the metal insert P+R encapsulation mold structure according to the present utility model;
FIG. 4 is a schematic diagram of the structure of a silica gel movable mold insert and a plastic movable mold insert of the metal insert P+R encapsulation mold structure of the present utility model;
FIG. 5 is a schematic diagram of the structure of a silica gel mold insert and a plastic mold insert of the metal insert P+R encapsulation mold structure of the utility model;
FIG. 6 is a cross-sectional view of a silica gel mold insert of the metal insert P+R encapsulation mold structure of the present utility model;
FIG. 7 is a schematic view of a metal insert structure.
Reference numerals:
10. an upper fixing plate;
20. A diverter plate;
30. a stationary mold plate;
40. a fixed mould core; 401. silica gel fixed mould kernel; 4011. a third positioning groove; 4012. a spring needle; 402. a plastic fixed mould core; 4021. a fourth positioning groove;
41. Vertical heat insulation plates;
42. a horizontal heat-insulating plate;
50. A movable mold core; 501. a silica gel movable mold core; 5011. a first positioning groove; 5012. a positioning needle; 5013. a guide needle; 502. a plastic movable mold core; 5021. a second positioning groove;
51. a cold runner system; 511. a silica gel port; 512. a cold flow pipe;
52. a hot runner system; 521. a plastic port; 522. a heat flow conduit;
60. A movable template;
70. A backing plate;
80. A lower fixing plate;
90. A metal insert; 901. encapsulating silica gel; 902. and (5) plastic encapsulation.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
Referring to fig. 1-5, the present utility model provides a metal insert p+r encapsulation mold structure, which includes an upper fixing plate 10, a splitter plate 20, a fixed mold plate 30, a fixed mold core 40, a movable mold core 50, a movable mold plate 60, a backing plate 70 and a lower fixing plate 80 disposed from top to bottom; the fixed mold core 40 comprises a plastic fixed mold core 402 and a silica gel fixed mold core 401, the movable mold core 50 comprises a plastic movable mold core 502 and a silica gel movable mold core 501, the plastic fixed mold core 402 and the plastic movable mold core 502 form a plastic cavity, the silica gel fixed mold core 401 and the silica gel movable mold core 501 form a silica gel cavity, in particular, 2-4 first positioning grooves 5011 are formed on the silica gel movable mold core 501, 2-4 second positioning grooves 5021 are formed on the corresponding plastic movable mold core 502, 2-4 third positioning grooves 4011 are formed on the end surface of the silica gel fixed mold core 401 facing the silica gel movable mold core 501, 2-4 fourth positioning grooves 4021 are formed on the end surface of the corresponding plastic fixed mold core 402 facing the plastic movable mold core 502, in the embodiment, the first positioning grooves 5011, the second positioning grooves 5021, the third positioning grooves 4011 and the fourth positioning grooves 4021 respectively comprise 4, when the rubber coating process is operated, one side of the metal insert 90 along the length direction is placed in the first positioning groove 5011, the other side of the metal insert 90 is placed in the third positioning groove 4011, further, a positioning needle 5012 is arranged at one end, far away from the plastic movable mold insert 502, of the silica gel movable mold insert 501, the positioning needle 5012 locks the end of the metal insert 90 at the silica gel movable mold insert 501, guide needles 5013 are arranged at two sides of one end, close to the plastic movable mold insert 502, of the first positioning groove 5011, and the guide needles 5013 can prevent the metal insert 90 from being placed in a position offset and avoid crushing the metal insert 90 during mold assembly.
Referring to fig. 6, a silica gel fixed mold core 401 is provided with a plurality of elastic pins 4012, and the elastic pins 4012 can pass through a third positioning groove 4011. In this embodiment, at least one spring needle 4012 is disposed in a third positioning groove 4011, a spring is sleeved on the upper end of the spring needle 4012, the metal insert 90 placed in the first positioning groove 5011 pushes the spring needle 4012 to compress the spring upwards during mold closing, and the spring pushes the spring needle 4012 to push the encapsulated metal insert 90 to drop downwards during mold opening, so that the encapsulated metal insert 90 is prevented from being adhered to the third positioning groove 4011.
Referring to fig. 2 and 7, a hot runner system 52 is disposed above the plastic cavity, a cold runner system 51 is disposed above the silica gel cavity, the hot runner system 52 is used for injecting plastic into the plastic cavity, and the cold runner system 51 is used for injecting silica gel into the silica gel cavity. Specifically, the cold runner system 51 includes a silica gel port 511 and a cold runner pipe 512, the upper end of the cold runner pipe 512 is communicated with the lower end of the silica gel port 511, silica gel enters from the silica gel port 511 to 4 silica gel cavities through cold runner channels, and silica gel encapsulation 901 is performed on the metal insert 90; the hot runner system 52 includes a plastic port 521 and a hot runner duct 522, one end of the hot runner duct 522 communicates with the plastic port 521 and the other end communicates with the plastic cavities, and plastic enters from the plastic port 521 through the hot runner duct 522 to the 4 plastic cavities for plastic encapsulation 902 on the other side of the metal insert 90.
Referring to fig. 2, a vertical heat insulation plate 41 is disposed between the plastic cavity and the silica gel cavity, a horizontal heat insulation plate 42 is disposed between the fixed mold plate 30 and the split plate 20, and a movable mold plate 60 and a base plate 70, and the heat insulation plates can prevent heat from being transferred to each other due to simultaneous injection of cold and hot runners, so that plastic cannot flow into the cavity.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (7)
1. The metal insert P+R encapsulation die structure is characterized by comprising an upper fixed plate, a splitter plate, a fixed die core, a movable die plate, a base plate and a lower fixed plate which are arranged from top to bottom; the fixed die core comprises a plastic fixed die core and a silica gel fixed die core, the movable die core comprises a plastic movable die core and a silica gel movable die core, the plastic fixed die core and the plastic movable die core form a plastic cavity, the silica gel fixed die core and the silica gel movable die core form a silica gel cavity, a hot runner system is arranged above the plastic cavity, a cold runner system is arranged above the silica gel cavity, the hot runner system is used for injecting plastic into the plastic cavity, and the cold runner system is used for injecting silica gel into the silica gel cavity.
2. The metal insert p+r encapsulation mold structure of claim 1, wherein: the plastic cavity with set up vertical heat insulating board between the silica gel die cavity, the fixed die plate with set up between the flow distribution plate movable die plate with set up horizontal heat insulating board between the backing plate.
3. The metal insert p+r encapsulation mold structure of claim 1, wherein: the plastic movable mould core is characterized in that 2-4 first positioning grooves are formed in the silica gel movable mould core, 2-4 second positioning grooves are formed in the corresponding plastic movable mould core, 2-4 third positioning grooves are formed in the end face, facing the silica gel movable mould core, of the silica gel fixed mould core, and 2-4 fourth positioning grooves are formed in the end face, facing the plastic movable mould core, of the corresponding plastic fixed mould core.
4. The metal insert p+r encapsulation mold structure of claim 3, wherein: the silica gel movable mould core is provided with a positioning needle at one end of the first positioning groove far away from the plastic movable mould core, and guide needles are arranged at two sides of one end of the first positioning groove close to the plastic movable mould core.
5. The metal insert p+r encapsulation mold structure of claim 3, wherein: the silica gel cover half benevolence sets up a plurality of bullet needles, the bullet needle can pass the third constant head tank.
6. The metal insert p+r encapsulation mold structure of claim 1, wherein: the cold runner system comprises a silica gel port and a cold runner pipe, wherein the upper end of the cold runner pipe is communicated with the silica gel port, and the lower end of the cold runner pipe is communicated with the silica gel cavity.
7. The metal insert p+r encapsulation mold structure of claim 1, wherein: the hot runner system comprises a plastic port and a hot runner pipe, one end of the hot runner pipe is communicated with the plastic port, and the other end of the hot runner pipe is communicated with the plastic cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322768849.0U CN221067039U (en) | 2023-10-16 | 2023-10-16 | Metal insert P+R rubber coating mould structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322768849.0U CN221067039U (en) | 2023-10-16 | 2023-10-16 | Metal insert P+R rubber coating mould structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221067039U true CN221067039U (en) | 2024-06-04 |
Family
ID=91249311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322768849.0U Active CN221067039U (en) | 2023-10-16 | 2023-10-16 | Metal insert P+R rubber coating mould structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221067039U (en) |
-
2023
- 2023-10-16 CN CN202322768849.0U patent/CN221067039U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |