CN213166589U - Hemispherical shell model injection mold - Google Patents
Hemispherical shell model injection mold Download PDFInfo
- Publication number
- CN213166589U CN213166589U CN202021364088.2U CN202021364088U CN213166589U CN 213166589 U CN213166589 U CN 213166589U CN 202021364088 U CN202021364088 U CN 202021364088U CN 213166589 U CN213166589 U CN 213166589U
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- plate
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- mold
- base plate
- die
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Abstract
The utility model discloses a hemispherical shell model injection mould, which comprises a fixed mould and a movable mould, wherein the fixed mould is arranged on the movable mould, and comprises a fixed mould seat plate, a sprue bush, a fixed mould plate, a guide bush and a cavity; the movable die comprises a movable die base plate, an ejector pin top plate, a cushion block, a push rod, a material pulling rod, a guide pillar, a movable die plate, a die core, a small die core and a spring; the fixed die base plate is located at the top of the whole die, the movable die base plate is located at the bottom of the whole die, the core is in clearance fit with the cavity, the guide pillar is in clearance fit with the guide sleeve, and the material pulling rod can be inserted into the sprue bush. The mold has simple structure, easy manufacture and convenient use, and can smoothly inject and eject the plastic part.
Description
Technical Field
The utility model belongs to the technical field of injection mold, concretely relates to hemisphere shell model injection mold.
Background
In order to encourage children to generate interest in science and technology from childhood, certain knowledge is provided for astronomical knowledge, and the model can be more intuitively understood by the children. The sun and solar system planetary model, as shown in fig. 1, is composed of a sun model as the center, and water star, golden star, earth, mars, wooden star, earth star, king star and sea king star from left to right. The model is used as a teaching instrument, and the space imagination of children can be improved to a certain extent in the manual assembly process. However, the spherical models in the models are different in size and large in number, the number of the models to be manufactured is not huge, and each spherical model is independently designed with one set of mold, so that the cost for manufacturing the models is greatly increased.
SUMMERY OF THE UTILITY MODEL
In order to better reduce the problem of the design cost of the mold, the utility model discloses a hemisphere shell model injection mold, simple structure, easily manufacturing.
The utility model discloses a realize through following technical scheme:
a hemispherical shell model injection mould comprises a fixed mould and a movable mould, wherein the fixed mould is arranged on the movable mould,
the fixed die comprises a fixed die base plate, a sprue bush, a fixed die plate, a guide sleeve and a cavity; the fixed die base plate is positioned at the top of the whole die and is connected with the fixed die plate through screws penetrating through two ends; a positioning ring is arranged in the middle of the top of the fixed die base plate, and the sprue bush is positioned by the positioning ring, penetrates through the fixed die base plate and the fixed die plate and is in interference fit with the fixed die plate and the fixed die plate; the guide sleeve penetrates through the fixed template and is in interference fit with the fixed template; the cavity is embedded into the lower part of the fixed die plate and is connected with the fixed die plate through a screw;
the movable die comprises a movable die base plate, an ejector pin top plate, a cushion block, a push rod, a material pulling rod, a guide pillar, a movable die plate, a die core and a spring; the movable mold base plate is positioned at the bottom of the whole mold, the cushion blocks are arranged between the movable mold base plate and the movable mold plate and are connected through screws penetrating through the cushion blocks, and the cushion blocks are positioned at two ends of the movable mold base plate and the movable mold plate; the mold core is embedded into the upper part of the movable mold plate and connected with the movable mold plate through a screw; the guide post penetrates through the movable template and is in interference fit with the movable template; the ejector pin bottom plate is arranged on the upper part of the movable mold base plate and connected with the movable mold base plate through screws, and the ejector pin bottom plate is positioned on the inner sides of the cushion blocks at the two ends; the thimble top plate is arranged on the thimble bottom plate and is connected with the thimble bottom plate through a garbage nail; the push rod and the material pulling rod are arranged in the ejector pin top plate and penetrate through the movable template and the mold core; the spring is arranged between the ejector pin top plate and the movable template;
the mold core is in clearance fit with the mold cavity, the guide pillar is in clearance fit with the guide sleeve, and the material pulling rod can be inserted into the sprue bush.
Preferably, the screw is a hex screw.
Preferably, the number of the push rods is more than one.
Preferably, water nozzles are further arranged on two sides of the fixed die plate and the movable die plate.
Preferably, still include small-size core, small-size core from top to bottom runs through die cavity, core, movable mould board, thimble roof, thimble bottom plate and movable mould bedplate in proper order.
The utility model has the advantages as follows:
the mold has simple structure, easy manufacture and convenient use, and can smoothly inject and eject the plastic part.
Drawings
FIG. 1 is a schematic view of a sun and solar system planetary model;
FIG. 2 is a front view of a hemispherical shell mold injection mold;
FIG. 3 is a left side view of the hemispherical shell mold injection mold;
in the figure: 1. a movable mould seat plate; 2. a screw; 3. cushion blocks; 4. a garbage nail; 5. a thimble base plate; 6. a push rod; 7. a thimble top plate; 8. a spring; 9. moving the template; 10. a core; 11. fixing a template; 12. a cavity; 13. a fixed die base plate; 14. a positioning ring; 15. a sprue bush; 16. a small core; 17. pulling a material rod; 18. a guide post; 19. a water nozzle; 20. and (4) guiding a sleeve.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Example 1
A hemispherical shell model injection mould, as shown in figures 2 and 3, comprises a fixed mould and a movable mould, wherein the fixed mould is arranged on the movable mould.
The fixed die comprises a fixed die base plate 13, a sprue bush 15, a fixed die plate 11, a guide sleeve 20 and a cavity 12; the fixed die base plate 13 is positioned at the top of the whole die, and the fixed die base plate 13 is connected with the fixed die plate 11 through screws 2 penetrating through two ends; a positioning ring 14 is arranged in the middle of the top of the fixed die base plate 13, and the sprue bush 15 is positioned by the positioning ring 14, penetrates through the fixed die base plate 13 and the fixed die plate 11 and is in interference fit with the fixed die plate; the guide sleeve 20 penetrates through the fixed die plate 11 and is in interference fit with the fixed die plate; the cavity 12 is embedded in the lower portion of the fixed die plate 11 and connected thereto by screws 2.
The movable die comprises a movable die base plate 1, an ejector pin bottom plate 5, an ejector pin top plate 7, a cushion block 3, a push rod 6, a material pulling rod 17, a guide pillar 18, a movable die plate 9, a die core 10 and a spring 8; the movable mold base plate 1 is positioned at the bottom of the whole mold, the cushion block 3 is arranged between the movable mold base plate 1 and the movable mold plate 9 and is connected with the movable mold base plate 1 through a screw 2 penetrating through the cushion block 3, and the cushion block 3 is positioned at two ends of the movable mold base plate 1 and the movable mold plate 9; the core 10 is embedded in the upper part of the movable mould plate 9 and connected with the movable mould plate through a screw 2; the guide post 18 penetrates through the movable mould plate 9 and is in interference fit with the movable mould plate; the thimble bottom plate 5 is arranged at the upper part of the movable mold base plate 1 and connected with the movable mold base plate through a screw 2, and the thimble bottom plate 5 is positioned at the inner sides of the cushion blocks 3 at the two ends; the thimble top plate 7 is arranged on the thimble bottom plate 5 and is connected with the thimble bottom plate through a garbage nail 4; the push rod 6 and the material pulling rod 17 are arranged in the ejector pin top plate 7 and penetrate through the movable mould plate 9 and the mould core 10, the material pulling rod 17 is located in the middle of the ejector pin top plate 7, and the push rod 6 is located in other areas of the ejector pin top plate 7 except the middle; the spring 8 is arranged between the ejector pin top plate 7 and the movable template 9;
the core 10 is in clearance fit with the cavity 12, the guide post 18 is in clearance fit with the guide sleeve 20, and the material pulling rod 17 can be inserted into the sprue bush 15.
In a preferred embodiment, the screw 2 is a hex screw.
In a preferred embodiment, the number of the push rods 6 is more than one, and the push rods are used for ejecting the injected plastic parts.
In a preferred scheme, as shown in fig. 3, water nozzles 19 are further disposed on two sides of the fixed die plate 11 and the movable die plate 9.
A preferable scheme is that as shown in fig. 2, the mold further includes a small mold core 16, and the small mold core 16 sequentially penetrates through the mold cavity 12, the mold core 10, the movable mold plate 9, the ejector pin top plate 7, the ejector pin bottom plate 5 and the movable mold base plate 1 from top to bottom, and is used for local molding of a plastic part.
An operation process of a hemispherical shell model injection mold comprises the following steps:
molten plastic is injected into a space formed by the mold core 10, the mold cavity 12 and the small mold core 16 through the sprue bush 15 for cooling and molding, the mold is divided by moving the mold and the molded part is wrapped on the mold core 10 on one side of the moving mold after mold division, the push-out device of the injection machine drives the mold thimble bottom plate 5, the push rod 6 and the thimble top plate 7 to move upwards together, and the push rod 6 pushes out the hemispherical shell molded part (sphere) wrapped on the mold core 10.
The above is only the preferred embodiment of the present invention, not to the technical scope of the present invention is limited, so all the technical attributes of the present invention to any modification, equivalent change and modification of the above embodiments all still belong to the technical solution of the present invention.
Claims (5)
1. A hemispherical shell model injection mould is characterized by comprising a fixed mould and a movable mould, wherein the fixed mould is arranged on the movable mould,
the fixed die comprises a fixed die base plate, a sprue bush, a fixed die plate, a guide sleeve and a cavity; the fixed die base plate is positioned at the top of the whole die and is connected with the fixed die plate through screws penetrating through two ends; a positioning ring is arranged in the middle of the top of the fixed die base plate, and the sprue bush is positioned by the positioning ring, penetrates through the fixed die base plate and the fixed die plate and is in interference fit with the fixed die plate and the fixed die plate; the guide sleeve penetrates through the fixed template and is in interference fit with the fixed template; the cavity is embedded into the lower part of the fixed die plate and is connected with the fixed die plate through a screw;
the movable die comprises a movable die base plate, an ejector pin top plate, a cushion block, a push rod, a material pulling rod, a guide pillar, a movable die plate, a die core and a spring; the movable mold base plate is positioned at the bottom of the whole mold, the cushion blocks are arranged between the movable mold base plate and the movable mold plate and are connected through screws penetrating through the cushion blocks, and the cushion blocks are positioned at two ends of the movable mold base plate and the movable mold plate; the mold core is embedded into the upper part of the movable mold plate and connected with the movable mold plate through a screw; the guide post penetrates through the movable template and is in interference fit with the movable template; the ejector pin bottom plate is arranged on the upper part of the movable mold base plate and connected with the movable mold base plate through screws, and the ejector pin bottom plate is positioned on the inner sides of the cushion blocks at the two ends; the thimble top plate is arranged on the thimble bottom plate and is connected with the thimble bottom plate through a garbage nail; the push rod and the material pulling rod are arranged in the ejector pin top plate and penetrate through the movable template and the mold core; the spring is arranged between the ejector pin top plate and the movable template;
the mold core is in clearance fit with the mold cavity, the guide pillar is in clearance fit with the guide sleeve, and the material pulling rod can be inserted into the sprue bush.
2. The hemispherical shell mold injection mold of claim 1, wherein said screw is a hex screw.
3. The hemispherical shell mold injection mold of claim 1, wherein the number of the push rods is more than one.
4. The hemispherical shell mold injection mold of claim 1, wherein water nozzles are further provided on both sides of the fixed mold plate and the movable mold plate.
5. The hemispherical shell mold injection mold of claim 1, further comprising a small core, wherein the small core sequentially penetrates through the cavity, the core, the movable mold plate, the ejector pin top plate, the ejector pin bottom plate and the movable mold base plate from top to bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021364088.2U CN213166589U (en) | 2020-07-13 | 2020-07-13 | Hemispherical shell model injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021364088.2U CN213166589U (en) | 2020-07-13 | 2020-07-13 | Hemispherical shell model injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213166589U true CN213166589U (en) | 2021-05-11 |
Family
ID=75792941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021364088.2U Expired - Fee Related CN213166589U (en) | 2020-07-13 | 2020-07-13 | Hemispherical shell model injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213166589U (en) |
-
2020
- 2020-07-13 CN CN202021364088.2U patent/CN213166589U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210511 Termination date: 20210713 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |