CN211891761U - Porous spherical injection molding and injection mold thereof - Google Patents
Porous spherical injection molding and injection mold thereof Download PDFInfo
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- CN211891761U CN211891761U CN202020289025.9U CN202020289025U CN211891761U CN 211891761 U CN211891761 U CN 211891761U CN 202020289025 U CN202020289025 U CN 202020289025U CN 211891761 U CN211891761 U CN 211891761U
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Abstract
The utility model discloses a porous spherical injection molding piece and an injection mold thereof, belonging to the technical field of injection molds, wherein the porous spherical injection molding piece comprises an injection molding piece body which is of a polygonal sphere structure, the interior of the injection molding piece body is of a hollow structure, a plurality of small holes are uniformly distributed on the outer wall of the injection molding piece body, and the small holes are respectively composed of a pentagonal hole, a rectangular hole and a triangular hole; the injection mold comprises an upper mold and a lower mold, wherein two cores are arranged on the lower template, each core is composed of two hemispherical molds and a plurality of pull rods, the two hemispherical molds are respectively arranged on the upper template and the lower template, and after the molds are closed, a cavity for molding the porous spherical injection molding piece is formed in the middle of each hemispherical mold. The utility model discloses an improve the efficiency of moulding plastics, be provided with two cores to this, can once produce two porous spherical injection moldings through two cores, and then improve the efficiency of moulding plastics of product.
Description
Technical Field
The utility model belongs to the technical field of injection mold, especially, relate to a porous spherical injection molding and injection mold thereof.
Background
An injection mold is a device for producing plastic products, and particularly relates to a device for injecting heated and melted plastics into a mold cavity from an injection molding machine at high pressure, and obtaining a formed product after cooling and solidification. The injection mold is different from one injection product to another, and the main difference is the mold itself, the ejection mechanism, the cooling mechanism and the like.
A spherical injection molding part is provided with a plurality of small holes on the surface, and because of the small structure, the existing injection molds cannot produce the spherical injection molding part, so that a new injection mold is necessary for producing the injection molding part.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the technical problem who exists to the aforesaid, provide a porous spherical injection molding and injection mold thereof.
The purpose of the utility model is realized like this: the utility model provides a porous spherical injection molding, wherein, includes the injection molding body, the injection molding body is the spheroid structure of multilateral type, and its inside is hollow structure, and evenly distributed has a plurality of aperture on its outer wall, and is a plurality of the aperture comprises pentagonal hole, rectangular hole and triangle-shaped hole respectively.
The utility model discloses further set up to: the diameter of the injection molding body is 1.5cm-3 cm.
An injection mold for the porous spherical injection molding piece comprises an upper mold and a lower mold, wherein the upper mold comprises an upper mold base plate and an upper mold plate arranged at the lower end of the upper mold base plate, a main runner with two ends penetrating through is arranged on the upper mold plate, and a sub-runner communicated with the main runner is arranged on the upper mold plate; the lower mould includes lower mould bottom plate, lower mould backing plate and the lower bolster that sets gradually from bottom to top, the lower port of subchannel accesss to on the lower bolster, wherein, two cores have on the lower bolster, and control the setting, the subchannel lower extreme is provided with two and accesss to two respectively the auxiliary runner of core, the core comprises two hemisphere moulds and a plurality of pull rod, two the hemisphere mould set up respectively in on cope match-plate pattern and the lower bolster, behind the compound die, two the middle part of hemisphere mould forms the cavity that is used for shaping porous spherical injection molding, and is a plurality of the pull rod becomes the radiation evenly distributed in two on the hemisphere mould, and one end is located on the hemisphere mould, the other end accesss to the middle part of cavity.
By adopting the technical scheme, the porous spherical injection molding part has a smaller structure, the surface of the porous spherical injection molding part is provided with a plurality of small holes, and in order to carry out injection molding production, the mold core is arranged into two openable hemispherical molds, wherein a plurality of pull rods are used for forming the small holes; the injection molding method comprises the following steps: injecting heated and melted plastics into the main runner under high pressure by an injection molding machine, then flowing into the sub-runners, finally flowing to the two cores from the two auxiliary runners, and forming an injection molding part body in a cavity in the cores, wherein when the mold is opened, the upper mold moves upwards to separate the upper hemispherical mold from the lower hemispherical mold, so that the injection molding part body can be taken out; wherein, for improving the efficiency of moulding plastics, be provided with two cores to this, can once produce two porous spherical injection molding through two cores, and then improve the efficiency of moulding plastics of product.
The utility model discloses further set up to: the injection mold further comprises a side core-pulling structure, the side core-pulling structure comprises a left side sliding block and a right side sliding block which are arranged at the outer edge of the lower end of the lower template, a left side guide pillar and a right side guide pillar which are arranged at the outer edge of the lower end of the upper template, the core further comprises a side pulling mold combined with the two hemispherical molds, the side pulling mold is connected onto the side sliding blocks, and when the mold is opened, the oblique guide pillars can move upwards to guide the side sliding blocks to slide outwards, so that the side pulling mold moves outwards to achieve demolding.
By adopting the technical scheme, the small holes in the injection molding part body are uniformly distributed, so that after the two hemispherical molds are separated, the side pull rods can limit the injection molding part body, and a side core is also required to be pulled to enable the side pull rods to move outwards, so that the injection molding part body can be conveniently taken out; when the mold is opened, the upper mold plate drives the two inclined guide pillars to move upwards, so that the two side slide blocks slide outwards respectively, and then the side pull mold on the mold core moves outwards, and the purpose of side core pulling is achieved.
The utility model discloses further set up to: one of the pull rods on the upper template is of a hollow structure, the upper end of the pull rod penetrates through the upper template and then leads to the upper end of the upper mold base plate, one of the pull rods on the lower template is also of a hollow structure and leads to the lower end of the lower mold base plate, and the hollow structures inside the two pull rods jointly form a water cooling flow channel for water to flow in for cooling the porous spherical injection molding piece.
Through adopting above-mentioned technical scheme, because the structure of injection molding body is less, the water cooling runner is difficult to set up on the hemisphere mould, to this through seting up straight hole in with two vertical pull rods, makes it become hollow structure, comes the water inflow through this hollow structure and is used for cooling off porous spherical injection molding.
The utility model has the advantages that: 1. because the porous spherical injection molding part has a small structure and a plurality of small holes on the surface, in order to carry out injection molding production, the mold core is arranged into two openable hemispherical molds, wherein a plurality of pull rods are used for forming the small holes; the injection molding method comprises the following steps: injecting heated and melted plastics into the main runner under high pressure by an injection molding machine, then flowing into the sub-runners, finally flowing to the two cores from the two auxiliary runners, and forming an injection molding part body in a cavity in the cores, wherein when the mold is opened, the upper mold moves upwards to separate the upper hemispherical mold from the lower hemispherical mold, so that the injection molding part body can be taken out; 2. in order to improve the injection molding efficiency, two cores are arranged, and two porous spherical injection molding parts can be produced at one time through the two cores, so that the injection molding efficiency of the product is improved.
Drawings
FIG. 1 is a schematic structural view of a porous spherical injection-molded part according to the present invention;
FIG. 2 is a schematic structural view of the injection mold of the present invention;
FIG. 3 is an enlarged view at A in FIG. 2;
the reference numbers in the figures are: 100. an injection molded part body; 101. a pentagonal hole; 102. a rectangular hole; 103. a triangular hole; 1. an upper die; 11. an upper die base plate; 12. mounting a template; 13. a main flow channel; 14. a shunt channel; 15. an auxiliary flow passage; 2. a lower die; 21. a lower die base plate; 22. a lower die base plate; 23. a lower template; 24. a core; 241. a hemispherical mold; 242. a pull rod; 243. a cavity; 244. laterally pulling the mold; 3. a side core-pulling structure; 31. a side slider; 32. an inclined guide post; 4. the water cools the runner.
Detailed Description
In order to make the technical solutions in the present invention better understood by those skilled in the art, the technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the accompanying drawings:
a porous spherical injection molding, as shown in figure 1, comprises an injection molding body 100, wherein the diameter of the injection molding body 100 is 1.5cm-3 cm; the injection molding body 100 is a polygonal sphere structure, the interior of the injection molding body is a hollow structure, a plurality of small holes are uniformly distributed on the outer wall of the injection molding body, and the small holes are respectively formed by a pentagonal hole 101, a rectangular hole 102 and a triangular hole 103.
An injection mold for the porous spherical injection molding part comprises an upper mold 1 and a lower mold 2, as shown in fig. 2 and 3, wherein the upper mold 1 comprises an upper mold base plate 11 and an upper mold plate 12 arranged at the lower end of the upper mold base plate 11, a main runner 13 with two ends penetrating is arranged on the upper mold plate 12, and a sub-runner 14 communicated with the main runner 13 is arranged on the upper mold plate 12; the lower die 2 comprises a lower die bottom plate 21, a lower die base plate 22 and a lower die plate 23 which are sequentially arranged from bottom to top, a lower port of the sub-runner 14 leads to the lower die plate 23, wherein the lower die plate 23 is provided with two cores 24 which are arranged from left to right, the lower end of the sub-runner 14 is provided with two auxiliary runners 15 leading to the two cores 24 respectively, each core 24 is composed of two hemispherical dies 241 and a plurality of pull rods 242, the two hemispherical dies 241 are arranged on the upper die plate 12 and the lower die plate 23 respectively, after die assembly, a cavity 243 for molding a porous spherical injection molding piece is formed in the middle of the two hemispherical dies 241, the plurality of pull rods 242 are radially and uniformly distributed on the two hemispherical dies 241, one end of each pull rod is located on the hemispherical die 241, and the other end of each pull rod.
Because the porous spherical injection molding part has a small structure and a plurality of small holes on the surface, in order to carry out injection molding production, the core 24 is provided with two openable hemispherical molds 241, wherein a plurality of pull rods 242 are used for forming the small holes; the injection molding method comprises the following steps: injecting heated and melted plastics into the main runner 13 at high pressure by an injection molding machine, then flowing into the sub-runners 14, finally flowing to the two cores 24 from the two auxiliary runners 15, and forming the injection molded part body 100 in the cavity 243 in the cores 24, when opening the mold, moving the upper mold upwards to separate the upper hemispherical mold 241 from the lower hemispherical mold 241, thereby taking out the injection molded part body 100; wherein, for improving the efficiency of moulding plastics, be provided with two cores 24 to this, can once produce two porous spherical injection molding through two cores 24, and then improve the efficiency of moulding plastics of product.
The injection mold further comprises a side core-pulling structure 3, the side core-pulling structure 3 comprises a left side slide block 31 and a right side slide block 31 which are arranged at the outer edge of the lower end of the lower template 23, a left side guide pillar 32 and a right side guide pillar 32 which are arranged at the outer edge of the lower end of the upper template 12, the core 24 further comprises a side pulling mold 244 combined with the two hemispherical molds 241, the side pulling mold 244 is connected to the side end of the side slide block 31, and when the mold is opened, the inclined guide pillars 32 move upwards to guide the side slide block 31 to slide outwards, and the side pulling mold 244 moves outwards.
Because the small holes on the injection molding body 100 are uniformly distributed, after the two hemispherical molds 241 are separated, the side pull rods 242 can limit the injection molding body 100, and side core pulling is needed to move the side pull rods 242 outwards, so that the injection molding body 100 can be taken out conveniently; when the mold is opened, the upper mold plate 12 drives the two inclined guide pillars 32 to move upwards, so that the two side sliders 31 respectively slide outwards, and the side pull mold 244 on the core 24 moves outwards, thereby achieving the purpose of side core pulling.
One of the tie rods 242 on the upper mold plate 12 is a hollow structure, the upper end of the tie rod 242 penetrates through the upper mold plate 12 and then leads to the upper end of the upper mold base plate 11, one of the tie rods 242 on the lower mold plate 23 is also a hollow structure and leads to the lower end of the lower mold base plate 22, and the hollow structures inside the two tie rods 242 jointly form a water cooling flow passage 4 for supplying water to flow in for cooling the porous spherical injection molded part.
Due to the small structure of the injection molded part body 100, the water cooling flow channel 4 is difficult to arrange on the hemispherical mold 241, and for this purpose, the two vertical pull rods 242 are provided with straight holes therein to form a hollow structure through which water flows in for cooling the porous spherical injection molded part.
The above embodiments are only preferred embodiments of the present invention, not all embodiments, and other embodiments obtained based on the above embodiments by those skilled in the art without any creative work shall fall within the protection scope of the present invention, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (5)
1. An injection mold for a porous spherical injection molding piece comprises an upper mold (1) and a lower mold (2), wherein the upper mold (1) comprises an upper mold base plate (11) and an upper mold plate (12) arranged at the lower end of the upper mold base plate (11), a main runner (13) with two ends penetrating is arranged on the upper mold plate (12), and a sub-runner (14) communicated with the main runner (13) is arranged on the upper mold plate (12); lower mould (2) are including lower mould bottom plate (21), lower mould backing plate (22) and lower bolster (23) that set gradually from bottom to top, the lower port of subchannel (14) leads to on lower bolster (23), its characterized in that: the lower die plate (23) is provided with two cores (24) which are arranged left and right, the lower end of the runner (14) is provided with two auxiliary runners (15) which are respectively communicated with the two cores (24), each core (24) is composed of two hemispherical molds (241) and a plurality of pull rods (242), the two hemispherical molds (241) are respectively arranged on the upper die plate (12) and the lower die plate (23), after die assembly, a cavity (243) for molding a porous spherical injection molding piece is formed in the middle of each hemispherical mold (241), the pull rods (242) are uniformly distributed on the two hemispherical molds (241) in a radial mode, one end of each pull rod is located on each hemispherical mold (241), and the other end of each pull rod is communicated with the middle of the cavity (243).
2. An injection mold for cellular spherical injection molded parts according to claim 1, characterized in that: the injection mold further comprises a side core-pulling structure (3), the side core-pulling structure (3) comprises a left side sliding block (31) and a right side sliding block (31) which are arranged at the outer edge of the lower end of the lower template (23) and a left side inclined guide post (32) which are arranged at the outer edge of the lower end of the upper template (12), the mold core (24) further comprises a side pulling mold (244) combined with the hemispherical mold (241), the side pulling mold (244) is connected onto the side sliding block (31), and when the mold is opened, the inclined guide post (32) moves upwards to guide the side sliding block (31) to slide outwards, and the side pulling mold (244) moves outwards to achieve demolding.
3. An injection mold for cellular spherical injection molded parts according to claim 1, characterized in that: one of the pull rods (242) on the upper template (12) is of a hollow structure, the upper end of the pull rod (242) penetrates through the upper template (12) and then leads to the upper end of the upper template plate (11), one of the pull rods (242) on the lower template (23) is also of a hollow structure and leads to the lower end of the lower die backing plate (22), and the hollow structures inside the two pull rods (242) jointly form a water cooling flow channel (4) for supplying water to flow in for cooling the porous spherical injection molding piece.
4. A porous spherical injection molded part produced by using the injection mold according to any one of claims 1 to 3, characterized in that: including injection molding body (100), injection molding body (100) is the spheroid structure of multilateral type, and its inside is hollow structure, and evenly distributed has a plurality of aperture on its outer wall, and is a plurality of the aperture comprises pentagonal hole (101), rectangular hole (102) and triangular hole (103) respectively.
5. The cellular spherical injection molded part according to claim 4, wherein: the diameter of the injection molding body (100) is 1.5cm-3 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020289025.9U CN211891761U (en) | 2020-03-10 | 2020-03-10 | Porous spherical injection molding and injection mold thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020289025.9U CN211891761U (en) | 2020-03-10 | 2020-03-10 | Porous spherical injection molding and injection mold thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211891761U true CN211891761U (en) | 2020-11-10 |
Family
ID=73322669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020289025.9U Expired - Fee Related CN211891761U (en) | 2020-03-10 | 2020-03-10 | Porous spherical injection molding and injection mold thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211891761U (en) |
-
2020
- 2020-03-10 CN CN202020289025.9U patent/CN211891761U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201110 |