CN114311511A - Casing subassembly and casing injection mold - Google Patents
Casing subassembly and casing injection mold Download PDFInfo
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- CN114311511A CN114311511A CN202111443876.XA CN202111443876A CN114311511A CN 114311511 A CN114311511 A CN 114311511A CN 202111443876 A CN202111443876 A CN 202111443876A CN 114311511 A CN114311511 A CN 114311511A
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- hole
- connecting portion
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- mold
- housing
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Abstract
The invention provides a shell assembly, which comprises a first shell and a second shell; a first anti-dismantling column is arranged on the inner side surface of the first shell, and a central column and a plurality of separation holes arranged around the central column are arranged in the first anti-dismantling column; the medial surface of second casing is equipped with the second and prevents tearing open the post, and the second is prevented tearing open and is equipped with the connecting portion that set up with separating the hole one-to-one on the post, and the connecting portion embedding is prevented tearing open downtheholely. Arranging a first anti-dismounting column on the inner side surface of the first shell to extend the position of the separation hole to the second shell so that the separation hole is close to the second shell; the same, the medial surface of second casing sets up the second and prevents tearing open the post to make the position of connecting portion be close to first casing, prevent tearing open the post through first and prevent tearing open the post with the second, make connecting portion can imbed and separate downtheholely, thereby realize preventing tearing open the effect, prevent tearing open simple structure.
Description
Technical Field
The invention relates to the field of mold demolding mechanisms, in particular to a shell assembly and a shell injection mold.
Background
At present, most plastic products on the market are formed by injection molding, and compared with other production modes, the injection molding has lower cost and higher product size precision. The general process of injection molding comprises plastic heating, mold closing, injection molding, pressure maintaining, cooling, mold opening and mold stripping. The anti-dismantling structure is a protection structure of the product and prevents illegal dismantling. However, in many cases, the disassembly-preventing structure of the case is complicated and the injection-molded structure is complicated.
Disclosure of Invention
In order to overcome the defects of the prior art, an object of the present invention is to provide a housing assembly and a housing injection mold, so as to solve the technical problems of complicated anti-disassembly structure and complicated injection structure of the housing in the prior art.
One of the purposes of the invention is realized by adopting the following technical scheme:
a housing assembly comprising a first housing and a second housing;
a first anti-dismantling column is arranged on the inner side surface of the first shell, and a middle column and a plurality of separation holes arranged around the middle column are arranged in the first anti-dismantling column;
the medial surface of second casing is equipped with the second and prevents tearing open the post, the second prevent tearing open the post be equipped with separate the connecting portion that the hole one-to-one set up, connecting portion embedding prevent tearing open downtheholely.
Optionally, the number of the partition holes is three, and the number of the connection portions is three.
Optionally, the three separation holes are a first separation hole, a second separation hole and a third separation hole respectively, and the three connection portions are a first connection portion, a second connection portion and a third connection portion respectively;
the depth of the first partition hole is greater than that of the second partition hole, the depth of the second partition hole is greater than that of the third partition hole, the width of the first partition hole is greater than that of the second partition hole, and the width of the second partition hole is greater than that of the third partition hole;
the height of the first connecting portion is greater than that of the second connecting portion, the height of the second connecting portion is greater than that of the third connecting portion, the width of the first connecting portion is greater than that of the second connecting portion, and the width of the second connecting portion is greater than that of the third connecting portion.
One of the purposes of the invention is realized by adopting another technical scheme as follows:
a case injection mold comprising an upper mold, a lower mold, and a core assembly provided on the lower mold for forming the separation hole of any one of claims 1 to 3.
Optionally, a mounting hole is formed in the lower die;
the mold core assembly is arranged in the mounting hole.
Optionally, two forming holes are formed in the lower die, the two forming holes and the mounting hole are distributed in a triangular shape, a reinforcing plate forming groove is formed between the mounting hole and the forming hole, and a reinforcing plate forming groove is formed between the two forming holes;
the lower die is also provided with a jacking hole, the jacking hole is positioned between the mounting hole and the two forming holes, the jacking hole is adjacent to the mounting hole and the two forming holes, and the jacking hole is adjacent to the two reinforcing plate forming grooves;
and a jacking block is arranged in the jacking hole.
Optionally, the core-forming assembly comprises:
a sleeve for forming the first tamper-evident post;
the inner core is embedded in the sleeve, and a plurality of hole dies are arranged at the tail end of the inner core and used for forming the separation holes.
Optionally, the plurality of hole dies are respectively a first hole die, a second hole die and a third hole die;
the height of the first hole die is larger than that of the second hole die, the height of the second hole die is larger than that of the third hole die, the width of the first hole die is larger than that of the second hole die, and the width of the second hole die is larger than that of the third hole die.
Optionally, the hole die is made of steel.
Optionally, the inner core is provided with a through hole;
the mold core assembly further comprises a jacking column, and the jacking column is arranged in the through hole.
Compared with the prior art, the invention has the beneficial effects that:
in the shell assembly, the inner side surface of the first shell is provided with the first anti-dismounting column so as to extend the position of the separation hole to the second shell, so that the separation hole is close to the second shell; the same, the medial surface of second casing sets up the second and prevents tearing open the post to make the position of connecting portion be close to first casing, prevent tearing open the post through first and prevent tearing open the post with the second, make connecting portion can imbed and separate downtheholely, thereby realize preventing tearing open the effect, prevent tearing open simple structure.
Drawings
FIG. 1 is a schematic view of a housing assembly and a housing injection mold after molding;
FIG. 2 is a schematic view of the inner side of the housing and a partial enlarged view thereof;
FIG. 3 is an exploded view of FIG. 1;
FIG. 4 is a schematic top view of the injection mold for housing and a partially enlarged view thereof;
fig. 5 is a side sectional view of the housing injection mold and a partially enlarged view thereof.
In the figure:
1. a first housing; 11. a first tamper-evident post; 12. a center pillar; 13. a separation hole; 14. connecting columns; 15. a reinforcing plate;
2. a lower die; 21. mounting holes; 22. forming a hole; 23. a reinforcing plate forming groove; 24. jacking holes;
3. a mold core assembly; 31. a sleeve; 32. an inner core; 321. a through hole; 33. a hole die; 34. jacking the column; 4. and (6) jacking blocks.
Detailed Description
The present invention will be further described with reference to fig. 1 to 5 and the detailed description thereof, and it should be noted that, in the case of conflict, any combination of the embodiments or technical features described below may form a new embodiment.
As shown in fig. 1 and 2, the present invention provides a housing assembly and an injection mold for forming the housing, wherein the housing assembly is a housing assembly applied to a POS machine, and as shown in fig. 1, the housing assembly includes a first housing 1 and a second housing, specifically, the first housing 1 is a lower housing of the POS machine, and the second housing is an upper housing of the POS machine.
The inner side surface of the first casing 1 is provided with a first tamper-proof post 11, and a center post 12 and a plurality of partition holes 13 provided around the center post 12 are provided in the first tamper-proof post 11. The medial surface of second casing (not shown in the figure) is equipped with the second and prevents tearing open the post, and the second is prevented tearing open and is equipped with the connecting portion that set up with separating hole 13 one-to-one on the post, and the connecting portion embedding is prevented tearing open downtheholely. In the present embodiment, the first tamper proof post 11 is provided on the inner side surface of the first housing 1 to extend the position of the partition hole 13 toward the second housing so that the partition hole 13 is close to the second housing; likewise, the medial surface of second casing sets up the second and prevents tearing open the post to make the position of connecting portion be close to first casing 1, prevent tearing open post 11 and second through first and prevent tearing open the post, make connecting portion can imbed in separating hole 13, thereby realize preventing tearing open the effect, prevent tearing open simple structure.
As for the partition holes 13, specifically, the number of the partition holes 13 is three, and the number of the connection portions is three.
Specifically, the three partition holes 13 are a first partition hole, a second partition hole, and a third partition hole, respectively, and the three connection portions are a first connection portion, a second connection portion, and a third connection portion, respectively.
The depth of the first separation hole is larger than that of the second separation hole, the depth of the second separation hole is larger than that of the third separation hole, the width of the first separation hole is larger than that of the second separation hole, and the width of the second separation hole is larger than that of the third separation hole. The height of the first connecting portion is greater than that of the second connecting portion, the height of the second connecting portion is greater than that of the third connecting portion, the width of the first connecting portion is greater than that of the second connecting portion, and the width of the second connecting portion is greater than that of the third connecting portion.
Among the three partition holes 13, there are different widths and depths, with a large depth giving a large width and a small depth giving a small width. In three connecting portion, have different width and height, the width is big for high, and the width is little for low, and so, connecting portion have more balanced intensity.
In addition, the partition holes 13 have different depths, which also enables the partition holes 13, i.e., the first tamper evident pillars 11, to be adapted to a profiled surface, such as an inclined surface, a curved surface, or the like.
As shown in fig. 2, the inner side surface of the first casing 1 is further provided with a plurality of connecting columns 14, wherein two connecting columns 14 and the first anti-dismantling column 11 are respectively distributed on three vertexes of a triangle, a reinforcing plate 15 is connected between the connecting columns 14 and the connecting columns 14, the reinforcing plate 15 is connected between the first anti-dismantling column 11 and the connecting columns 14, and the stability of the first anti-dismantling column 11 and the connecting columns 14 is improved by arranging the reinforcing plate 15.
The embodiment of the invention also provides a shell injection mold, as shown in fig. 1, 3 and 4, the shell injection mold comprises an upper mold, a lower mold 2 and a mold core assembly 3, wherein the mold core assembly 3 is arranged on the lower mold 2 and is used for forming the separation hole 13. In this embodiment, through set up mold core assembly 3 on lower mould 2, separate hole 13 through the shaping alone, reduce the shaping degree of difficulty of separating hole 13.
Further, as shown in fig. 3 and 4, the lower die 2 is provided with a mounting hole 21, and the core assembly 3 is disposed in the mounting hole 21. Mold core assembly 3 and lower mould 2 can be processed alone, then assemble together, carry out the split with complicated structure and become two structures, reduce the processing degree of difficulty.
In some embodiments, as shown in fig. 3, the lower mold 2 is provided with two forming holes 22 for forming the connecting posts 14 on the inner surface of the first housing 1, such as the connecting posts 14 for connecting with screws. The two forming holes 22 and the mounting hole 21 are distributed on the vertex of the triangle, a reinforcing plate forming groove 23 is arranged between the mounting hole 21 and the forming hole 22, and the reinforcing plate forming groove 23 is arranged between the two forming holes 22. The lower die 2 is further provided with a jacking hole 24, the jacking hole 24 is located between the mounting hole 21 and the two forming holes 22, the jacking hole 24 is adjacent to the mounting hole 21 and the two forming holes 22, and the jacking hole 24 is adjacent to the two reinforcing plate forming grooves 23. The jacking hole 24 is internally provided with a jacking block 4.
Because the mounting holes 21, the forming holes 22 and the reinforcing plate forming grooves 23 are densely arranged on the lower die 2, the structure on the lower die 2 is rich, and the demolding difficulty of the lower die 2 is increased, in this embodiment, the jacking holes 24 are arranged between the forming holes 22 and the mounting holes 21, the jacking blocks 4 are arranged in the jacking holes 24, and the jacking holes are adjacent to the forming holes 22, the mounting holes 21 and the reinforcing plate forming grooves 23, specifically, part of the side walls of the forming holes 22, the mounting holes 21 and the reinforcing plate forming grooves 23 are the side walls of the jacking blocks 4, and the jacking blocks 4 have larger contact areas, so as to jack the first housing 1 and reduce the demolding difficulty of the first housing 1.
In some embodiments, as shown in fig. 3 and 5, the core-forming assembly includes a sleeve 31 and an inner core 32, the sleeve 31 is used for forming the first anti-tamper post 11 to limit the height of the first anti-tamper post 11 by the height of the sleeve 31, the inner core 32 is embedded in the sleeve 31, and the end of the inner core 32 is provided with a plurality of hole dies 33 for forming the separation holes 13.
In some embodiments, the plurality of hole dies 33 are a first hole die, a second hole die, and a third hole die, respectively. The height of the first hole die is larger than that of the second hole die, the height of the second hole die is larger than that of the third hole die, the width of the first hole die is larger than that of the second hole die, and the width of the second hole die is larger than that of the third hole die. The hole molds 33 have different heights, can form the partition holes 13 with different depths, are suitable for different states of the inner surface of the first shell 1, such as inclined surfaces, curved surfaces and the like, and have stronger adaptability. In addition, the hole dies 33 are high in height, so that the width of the hole dies is large, and the hole dies 33 are low in height, so that the width of the hole dies is small, so that the strength of the hole dies 33 is more balanced, the hole dies 33 are guaranteed to have enough strength, the bending deformation of the hole dies 33 is avoided, and the forming precision of the separation holes 13 is improved.
Further, since the hole mold 33 is made of steel, the strength of the hole mold 33 at the time of injection molding can be increased, and the hole mold 33 can be prevented from being bent.
In some embodiments, as shown in fig. 5, the inner core 32 is provided with a through hole 321, and the core assembly 3 further comprises a lifting column 34, wherein the lifting column 34 is disposed in the through hole 321. After the partition hole 13 is formed, the shape of the first anti-removal column 11 is complicated, and the demolding difficulty is high, so in this embodiment, the core assembly 3 is additionally provided with the jack-up column 34, and the inner core 32 is provided with the through hole 321 for installing the jack-up column 34. When demoulding, the first shell 1 is jacked up by the jacking column 34, so that the demoulding difficulty of the first shell 1 is reduced. Specifically, the jacking leg 34 butts against the center leg 12.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.
Claims (10)
1. A housing assembly, comprising a first housing and a second housing;
a first anti-dismantling column is arranged on the inner side surface of the first shell, and a middle column and a plurality of separation holes arranged around the middle column are arranged in the first anti-dismantling column;
the medial surface of second casing is equipped with the second and prevents tearing open the post, the second prevent tearing open the post be equipped with separate the connecting portion that the hole one-to-one set up, connecting portion embedding prevent tearing open downtheholely.
2. The housing assembly of claim 1, wherein the number of the partition holes is three and the number of the connection portions is three.
3. The housing assembly of claim 2, wherein the three partition holes are a first partition hole, a second partition hole, and a third partition hole, respectively, and the three connection portions are a first connection portion, a second connection portion, and a third connection portion, respectively;
the depth of the first partition hole is greater than that of the second partition hole, the depth of the second partition hole is greater than that of the third partition hole, the width of the first partition hole is greater than that of the second partition hole, and the width of the second partition hole is greater than that of the third partition hole;
the height of the first connecting portion is greater than that of the second connecting portion, the height of the second connecting portion is greater than that of the third connecting portion, the width of the first connecting portion is greater than that of the second connecting portion, and the width of the second connecting portion is greater than that of the third connecting portion.
4. A housing injection mold comprising an upper mold, a lower mold and a mold core assembly disposed on the lower mold for forming the separation hole of any one of claims 1 to 3.
5. A housing injection mold according to claim 4, wherein the lower mold is provided with a mounting hole;
the mold core assembly is arranged in the mounting hole.
6. The injection mold for housing according to claim 5, wherein two forming holes are formed on the lower mold, the two forming holes and the mounting hole are arranged in a triangular shape, a reinforcing plate forming groove is formed between the mounting hole and the forming hole, and a reinforcing plate forming groove is formed between the two forming holes;
the lower die is also provided with a jacking hole, the jacking hole is positioned between the mounting hole and the two forming holes, the jacking hole is adjacent to the mounting hole and the two forming holes, and the jacking hole is adjacent to the two reinforcing plate forming grooves;
and a jacking block is arranged in the jacking hole.
7. The housing injection mold of claim 4, wherein the core forming assembly comprises:
a sleeve for forming the first tamper-evident post;
the inner core is embedded in the sleeve, and a plurality of hole dies are arranged at the tail end of the inner core and used for forming the separation holes.
8. The injection mold for a housing of claim 7, wherein the plurality of hole molds are a first hole mold, a second hole mold, and a third hole mold, respectively;
the height of the first hole die is larger than that of the second hole die, the height of the second hole die is larger than that of the third hole die, the width of the first hole die is larger than that of the second hole die, and the width of the second hole die is larger than that of the third hole die.
9. The housing injection mold of claim 8, wherein the hole die is fabricated from steel.
10. The injection mold for a housing of claim 7, wherein said inner core is provided with a through hole;
the mold core assembly further comprises a jacking column, and the jacking column is arranged in the through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111443876.XA CN114311511A (en) | 2021-11-30 | 2021-11-30 | Casing subassembly and casing injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111443876.XA CN114311511A (en) | 2021-11-30 | 2021-11-30 | Casing subassembly and casing injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114311511A true CN114311511A (en) | 2022-04-12 |
Family
ID=81048590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111443876.XA Pending CN114311511A (en) | 2021-11-30 | 2021-11-30 | Casing subassembly and casing injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114311511A (en) |
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2021
- 2021-11-30 CN CN202111443876.XA patent/CN114311511A/en active Pending
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