CN215434773U - Cell-phone shell injection mold convenient to drawing of patterns - Google Patents
Cell-phone shell injection mold convenient to drawing of patterns Download PDFInfo
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- CN215434773U CN215434773U CN202121664310.5U CN202121664310U CN215434773U CN 215434773 U CN215434773 U CN 215434773U CN 202121664310 U CN202121664310 U CN 202121664310U CN 215434773 U CN215434773 U CN 215434773U
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Abstract
The embodiment of the utility model discloses a mobile phone shell injection mold convenient for demolding, which comprises a first mold with a first cavity, a second mold with a second cavity and a third mold with a block assembly, wherein an injection space for injection molding of a mobile phone shell is formed by enclosing the first cavity, the second cavity and the block assembly. The block assembly comprises a first block located in the middle, second blocks located on two sides of the first block, third blocks located on the other two sides of the first block, a first driving mechanism used for driving the first block to move towards the direction far away from the injection molding space, a second driving mechanism used for driving the second block to move towards the middle of the block assembly, a third driving mechanism used for driving the second block to move towards the direction far away from the injection molding space and a fourth driving mechanism used for driving the third block to move towards the middle of the block assembly. Adopt the cell-phone shell injection mold that this embodiment provided, realized breaking away from of type piece subassembly in cell-phone shell lateral wall to the drawing of patterns of being more convenient for.
Description
Technical Field
The utility model relates to the technical field of mobile phone shell injection molds, in particular to a mobile phone shell injection mold convenient to demould.
Background
With the development of society, smart phones have been generally popularized. In order to reduce damage to the smart phone caused by falling or collision, a consumer often sets a mobile phone shell made of plastic outside the smart phone. Then the manufacture of the handset housing naturally requires the use of a special injection mould.
Among the prior art, this injection mold includes mould and lower mould, and the lower mould opens and shuts the drawing of patterns in order to realize the cell-phone shell. However, the edge of the mobile phone shell has a barb-shaped cambered surface, and when the mobile phone shell is made of hard glue, the demoulding manner is difficult to demould and easily damages the edge of the mobile phone shell.
SUMMERY OF THE UTILITY MODEL
Based on this, it is necessary to provide an injection mold for a mobile phone case that facilitates mold release.
A mobile phone shell injection mold convenient for demolding comprises a first mold with a first cavity, a second mold with a second cavity and a third mold with a block assembly, wherein an injection space for injection molding of a mobile phone shell is formed by enclosing the first cavity, the second cavity and the block assembly;
the block assembly comprises a first block located in the middle, second blocks located on two sides of the first block, third blocks located on the other two sides of the first block, a first driving mechanism used for driving the first block to move towards the direction far away from the injection molding space, a second driving mechanism used for driving the second block to move towards the middle of the block assembly, a third driving mechanism used for driving the second block to move towards the direction far away from the injection molding space, and a fourth driving mechanism used for driving the third block to move towards the middle of the block assembly.
In some embodiments of the injection mold for a mobile phone case, the second mold block and the third mold block each comprise a protrusion for fitting into the first cavity and the second cavity and an abutment for abutting against the second die.
In some embodiments of the injection mold for the mobile phone case, a side of the protrusion opposite to the injection space is a barb-shaped arc surface.
In some embodiments of the injection mold for the mobile phone case, a contact surface between the first mold and the second mold divides a side surface of the protruding portion opposite to the injection space.
In some embodiments of the injection mold for a phone case, the mating surfaces of the first and second mold blocks and the third mold block are planar.
In some embodiments of the injection mold for a mobile phone case, the first block is a rectangular parallelepiped.
In some embodiments of the injection mold for mobile phone cases, the injection mold for mobile phone cases further comprises a fifth driving mechanism for driving the first mold and the second mold to move in a direction away from the third mold and a sixth driving mechanism for driving the second mold to move in a direction away from the first mold.
In some embodiments of the injection mold for a mobile phone case, the injection mold for a mobile phone case further comprises a plurality of guide rods for guiding the movement of the first mold and the second mold, the guide rods are fixed on the third mold, and the first mold and the second mold are slidably disposed on the guide rods.
In some embodiments of the injection mold for the mobile phone shell, the first mold is provided with a first positioning portion, the second mold is provided with a first limiting portion, and the first positioning portion is adapted to the first limiting portion.
In some embodiments of the injection mold for the mobile phone shell, the third mold is provided with a second positioning portion, the second mold is provided with a second limiting portion, and the second positioning portion is matched with the second limiting portion.
The embodiment of the utility model has the following beneficial effects:
according to the cell-phone shell injection mold that above-mentioned embodiment provided, cell-phone shell injection moulding back, the space of moulding plastics is kept away from to the first type piece of a actuating mechanism drive, and the middle part of type piece subassembly forms the vacancy. Then, the second driving mechanism drives the second mold blocks to move towards the middle part so that the two second mold blocks are separated from the side wall of the mobile phone shell. The third drive mechanism then drives the second mold blocks to move away from the injection space, so that a gap is formed between the two third mold blocks. Finally, the fourth driving mechanism drives the third type block to move towards the middle part. Adopt the cell-phone shell injection mold that this embodiment provided, compare in prior art, realized breaking away from of type piece subassembly in cell-phone shell lateral wall to the drawing of patterns of being more convenient for.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Wherein:
fig. 1 is a schematic structural diagram of an injection mold for a mobile phone case according to an embodiment.
Fig. 2 is a cross-sectional view from a perspective of an injection mold for a handset housing as provided in fig. 1.
Figure 3 is a cross-sectional view of the injection mold of the handset housing as provided in figure 1 from a different perspective.
Reference numerals:
110 — a first die;
120-second mode;
130-third mode; 1311-first profile block, 1312-first drive mechanism, 1321-second profile block, 1322-second drive mechanism, 1323-third drive mechanism, 1331-third profile block, 1332-fourth drive mechanism.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the embodiments of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have specific orientations, be configured in specific orientations, and operate, and thus, should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, interchangeably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediate medium, or communicated between two elements. Specific meanings of the above terms in the embodiments of the present invention can be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1 to 3, an embodiment of the utility model provides an injection mold for a mobile phone case, which is convenient for demolding, and includes a first mold 110 having a first cavity, a second mold 120 having a second cavity, and a third mold 130 having a mold block assembly, wherein the first cavity, the second cavity, and the mold block assembly enclose an injection space for injecting the mobile phone case. Wherein the block assembly comprises a first block 1311 at the middle, second blocks 1321 at both sides of the first block 1311, third blocks 1331 at the other two sides of the first block 1311, a first driving mechanism 1312 for driving the first block 1311 to move away from the injection space, a second driving mechanism 1322 for driving the second block 1321 to move toward the middle of the block assembly, a third driving mechanism 1323 for driving the second block 1321 to move away from the injection space, and a fourth driving mechanism 1332 for driving the third block 1331 to move toward the middle of the block assembly.
According to the injection mold for the mobile phone shell provided by the embodiment, after the mobile phone shell is subjected to injection molding, the first driving mechanism 1312 drives the first molding block 1311 to be far away from an injection molding space, and a gap is formed in the middle of a molding block assembly. Then, the second driving mechanism 1322 drives the second blocks 1321 to move toward the middle portion so that the two second blocks 1321 are separated from the sidewall of the handset case. The third driving mechanism 1323 then drives the second mold block 1321 in the direction away from the injection space, so that a gap is present between the two third mold blocks 1331. Finally, the fourth driving mechanism 1332 drives the third type block 1331 toward the middle. Adopt the cell-phone shell injection mold that this embodiment provided, compare in prior art, realized breaking away from of type piece subassembly in cell-phone shell lateral wall to the drawing of patterns of being more convenient for.
In one embodiment, the second and third mold blocks 1321, 1331 each include a boss for nesting within the first and second cavities and an abutment for abutting the second die 120. In this way, the second driving mechanism 1322 drives the second module 1321 to move.
In a specific embodiment, the side of the lug boss opposite to the injection space is a barb-shaped cambered surface. The cambered surface can be a semi-circular arc or an arc with other radians.
In a more specific embodiment, the contact surface of the first die 110 and the second die 120 divides the side of the projection facing the injection space. The structure of mould and well mould is gone up in the adoption, the mould of can being convenient for in the drawing of patterns of cell-phone shell outside.
In yet another embodiment, the mating surfaces of the first and second mold blocks 1311, 1321 and 1331 are planar. The flat surfaces facilitate the combination and matching of the first molding block 1311, the second molding block 1321 and the third molding block 1331. Of course, the mating surface may also be a curved surface.
In a particular embodiment, the first block 1311 is a cuboid.
It is important to note that in another embodiment, the injection mold for the mobile phone case further comprises a fifth driving mechanism for driving the first mold 110 and the second mold 120 to move away from the third mold 130, and a sixth driving mechanism for driving the second mold 120 to move away from the first mold 110.
After the molding assembly is completed, the fifth driving mechanism drives the first mold 110 and the second mold 120 to move towards the direction away from the third mold 130, and after the first mold and the second mold move for a certain distance, the sixth driving mechanism drives the second mold 120 to move away from the first mold 110, so that the mobile phone shell can be separated.
In addition, an ejection mechanism may be provided on the first mold 110 to eject the phone housing.
In a specific embodiment, the injection mold for the mobile phone case further includes a plurality of guide rods for guiding the movement of the first mold 110 and the second mold 120, the guide rods are fixed on the third mold 130, and the first mold 110 and the second mold 120 are slidably disposed on the guide rods. The guide bar also supports the first die 110 and the second die 120.
In a more specific embodiment, the first mold 110 is provided with a first positioning portion, the second mold 120 is provided with a first limiting portion, and the first positioning portion is adapted to the first limiting portion.
In another specific embodiment, the third mold 130 is provided with a second positioning portion, the second mold 120 is provided with a second limiting portion, and the second positioning portion is adapted to the second limiting portion.
By adopting the two limiting modes, the assembly can be facilitated, and the precision of the mobile phone shell can be improved.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention, and it is therefore to be understood that the utility model is not limited by the scope of the appended claims.
Claims (10)
1. A mobile phone shell injection mold convenient for demolding is characterized by comprising a first mold with a first cavity, a second mold with a second cavity and a third mold with a block assembly, wherein an injection space for injection molding of a mobile phone shell is formed by enclosing the first cavity, the second cavity and the block assembly;
the block assembly comprises a first block located in the middle, second blocks located on two sides of the first block, third blocks located on the other two sides of the first block, a first driving mechanism used for driving the first block to move towards the direction far away from the injection molding space, a second driving mechanism used for driving the second block to move towards the middle of the block assembly, a third driving mechanism used for driving the second block to move towards the direction far away from the injection molding space, and a fourth driving mechanism used for driving the third block to move towards the middle of the block assembly.
2. An injection mould for a handset shell according to claim 1, wherein the second and third mould blocks each comprise a boss for insertion into the first and second cavities and an abutment for abutment with the second mould.
3. An injection mould for a handset shell according to claim 2, wherein the side of the boss which faces the injection space is a barb-like curved surface.
4. A handset casing injection mould according to claim 3, wherein the contact surface of the first and second moulds divides the side of the boss which faces the injection space.
5. An injection mould for a handset housing according to claim 1, wherein the mating surfaces of the first and second mould blocks and the third mould block are planar.
6. An injection mould for a mobile phone casing according to claim 5, characterised in that the first profile block is a cuboid.
7. An injection mould for a handset shell according to any one of claims 1 to 6, further comprising a fifth drive mechanism for driving the first and second moulds in a direction away from the third mould and a sixth drive mechanism for driving the second mould in a direction away from the first mould.
8. The injection mold for mobile phone shells according to claim 7, further comprising a plurality of guide rods for guiding the movement of the first mold and the second mold, wherein the guide rods are fixed on the third mold, and the first mold and the second mold are slidably disposed on the guide rods.
9. The injection mold for mobile phone shell according to claim 8, wherein the first mold is provided with a first positioning portion, the second mold is provided with a first position-limiting portion, and the first positioning portion is adapted to the first position-limiting portion.
10. The injection mold for mobile phone shells according to claim 8, wherein the third mold is provided with a second positioning portion, the second mold is provided with a second limiting portion, and the second positioning portion is adapted to the second limiting portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121664310.5U CN215434773U (en) | 2021-07-21 | 2021-07-21 | Cell-phone shell injection mold convenient to drawing of patterns |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121664310.5U CN215434773U (en) | 2021-07-21 | 2021-07-21 | Cell-phone shell injection mold convenient to drawing of patterns |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215434773U true CN215434773U (en) | 2022-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121664310.5U Active CN215434773U (en) | 2021-07-21 | 2021-07-21 | Cell-phone shell injection mold convenient to drawing of patterns |
Country Status (1)
| Country | Link |
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| CN (1) | CN215434773U (en) |
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2021
- 2021-07-21 CN CN202121664310.5U patent/CN215434773U/en active Active
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