CN215151510U - 0.5-degree slide-free shell grain surface mold free of pulling - Google Patents
0.5-degree slide-free shell grain surface mold free of pulling Download PDFInfo
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- CN215151510U CN215151510U CN202120966401.8U CN202120966401U CN215151510U CN 215151510 U CN215151510 U CN 215151510U CN 202120966401 U CN202120966401 U CN 202120966401U CN 215151510 U CN215151510 U CN 215151510U
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Abstract
The utility model discloses a 0.5-degree slide-free shell grain surface mold without pulling, which comprises a lower mold base, a lower mold core, an upper mold base, a first upper mold core and a second upper mold core, wherein the lower mold core is provided with a molding convex part, the first upper mold core is provided with a molding cavity, and the lower mold core and the first upper mold core are closed to form a molding cavity for molding a shell; the second upper die core is provided with a glue inlet channel which is communicated with the forming cavity; the first upper die core is provided with an air blowing channel, one end of the air blowing channel is connected with an external air blowing device, and the other end of the air blowing channel is communicated with the glue inlet channel and the forming cavity. During demolding, air can be blown into the molding cavity through the air blowing channel, and the shell positioned in the molding cavity can be separated from the molding cavity due to the pressure, so that demolding is realized; compared with the traditional mode of ejecting the ejector pin out of the mold, the mode of blowing and demolding simplifies the structure of the mold, reduces the manufacturing cost of the mold, and simultaneously can reduce the problem that the surface of the shell is damaged by pulling when the ejector pin ejects the shell, and improve the yield of products.
Description
Technical Field
The utility model belongs to the technical field of the mould technique and specifically relates to indicate a 0.5 degree does not have capable position and does not pull casing line face mould.
Background
Generally, a thin-walled product, such as a housing or a cover of an electronic product, is generally formed by an injection mold, and in the mold forming process, in order to make the product fall off after being formed, a push plate is generally used to push the product out, so that a mold of a conventional thin-walled product is generally provided with the push plate, an ejector plate and a push rod, which results in a relatively complex structure and relatively high cost of the mold.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention provides a mold for forming a 0.5 degree slide-free shell pattern surface without pulling, which is reasonable in structure and can effectively solve the problems of complex structure, high cost, etc. of the existing mold.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a0.5-degree slide-free shell grain surface mold without pulling comprises a lower mold base, a lower mold core, an upper mold base, a first upper mold core and a second upper mold core, wherein the lower mold base, the lower mold core, the first upper mold core, the second upper mold core and the upper mold base are sequentially stacked from bottom to top; wherein:
the lower die core is provided with a molding convex part, the first upper die core is provided with a molding concave cavity, and the lower die core and the first upper die core are closed and enclosed to form a molding cavity for molding the shell;
the second upper die core is provided with a glue inlet channel, and the glue inlet channel is communicated with the forming cavity; the first upper die core is provided with an air blowing channel, one end of the air blowing channel is connected with an external air blowing device, and the other end of the air blowing channel is communicated with the glue inlet channel and the forming cavity.
As a preferred embodiment: an upper movable plate is arranged at the top of the upper die base and provided with a glue injection port;
the top of the second upper die core is provided with a glue inlet groove, the glue inlet channel upwards penetrates through the top of the second upper die core and is connected with the glue inlet groove, and the glue injection port is communicated with the glue inlet groove.
As a preferred embodiment: the upper movable plate can move up and down and is connected with the upper die holder.
As a preferred embodiment: the side of the molding cavity is gradually inclined inwards from the bottom to the top, and the inclination angle is 0.5 degrees.
As a preferred embodiment: an upper template is fixedly arranged at the bottom of the upper die holder and provided with a first mounting window;
the upper die base is provided with a first mounting cavity, the second upper die core is fixedly mounted in the first mounting cavity, and the first upper die core is mounted between the first mounting cavity and the first mounting window.
As a preferred embodiment: the bottom of the first upper die core is flush with the bottom of the upper die plate.
As a preferred embodiment: the upper die plate is provided with an air inlet, one end of the air inlet is exposed on the surface to be measured of the upper die plate, and the other end of the air inlet is communicated with the air blowing channel.
As a preferred embodiment: the air inlet comprises a first inlet and a second inlet, the first inlet and the second inlet are round holes, and the diameter of the first inlet is larger than that of the second inlet.
Compared with the prior art, the utility model obvious advantage and beneficial effect have, particularly, can know by above-mentioned technical scheme: because the first upper die core is provided with the air blowing channel communicated with the glue inlet channel and the forming cavity, air can be blown into the forming cavity through the air blowing channel during demoulding, and the shell positioned in the forming cavity can be separated from the formed cavity due to the pressure, so that demoulding is realized; compared with the traditional mode of ejecting the ejector pin out of the mold, the mode of blowing and demolding simplifies the structure of the mold, reduces the manufacturing cost of the mold, and simultaneously can reduce the problem that the surface of the shell is damaged by pulling when the ejector pin ejects the shell, and improve the yield of products.
To illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
Drawings
FIG. 1 is a schematic perspective view of a preferred embodiment of the present invention;
FIG. 2 is an exploded view of the preferred embodiment of the present invention;
fig. 3 is another exploded perspective view of the preferred embodiment of the present invention;
FIG. 4 is a cross-sectional view of a preferred embodiment of the present invention;
fig. 5 is a partial exploded view of the preferred embodiment of the present invention.
The attached drawings indicate the following:
10. lower die holder 20 and lower die core
21. Molding convex part 30 and upper die base
31. Upper movable plate 311 and glue injection port
32. Upper template 321 and first installation window
322. A first inlet 323 and a second inlet
33. First installation cavity 40 and first upper mold core
41. Forming cavity 42, air blowing channel
50. Second upper mold core 51 and glue inlet channel
52. And (5) feeding the glue into the groove.
Detailed Description
Referring to fig. 1 to 5, a detailed structure of a preferred embodiment of the present invention is shown, which is a 0.5 degree slide-free mold without pulling the shell pattern surface, and includes a lower mold base 10, a lower mold core 20, an upper mold base 30, a first upper mold core 40 and a second upper mold core 50.
The lower die holder 10, the lower die core 20, the first upper die core 40, the second upper die core 50 and the upper die holder 30 are sequentially stacked from bottom to top, in the embodiment of the application, the lower die core 20 is provided with a forming convex part 21, the first upper die core 40 is provided with a forming concave cavity 41, and the lower die core 20 and the first upper die core 40 enclose to form a forming cavity for forming a shell after being closed; the second upper die core 50 is provided with a glue inlet channel 51, and the glue inlet channel 51 is communicated with the forming cavity 41; the first upper die core 40 is provided with an air blowing channel 42, one end of the air blowing channel 42 is externally provided with an air blowing device, and the other end of the air blowing channel 42 is communicated with a glue inlet channel 51 and a forming cavity 41. During demolding, air can be blown into the molding cavity 41 through the air blowing channel 42, and the shell located in the molding cavity 41 can be separated by the pressure caused by the air blowing channel so as to realize demolding; compared with the traditional mode of ejecting the ejector pin out of the mold, the mode of blowing and demolding simplifies the structure of the mold, reduces the manufacturing cost of the mold, and simultaneously can reduce the problem that the surface of the shell is damaged by pulling when the ejector pin ejects the shell, and improve the yield of products.
An upper movable plate 31 is arranged at the top of the upper die holder 30, and a glue injection port 311 is formed in the upper movable plate 31; the top of the second upper mold core 50 is provided with a glue inlet groove 52, the glue inlet channel 51 upwardly penetrates through the top of the second upper mold core 50 and is connected with the glue inlet groove 52, and the glue injection port 311 is communicated with the glue inlet groove 52. The upper movable plate 31 can move up and down and is connected with the upper die holder 30, and after the injection molding is finished, the cooling molding is carried out; then, air blowing pressurization is carried out on the glue inlet channel 51 and the forming concave cavity 41, so that the glue stick and the shell are forced to be separated, the glue stick is separated from the glue inlet channel 51, and the shell is separated from the forming concave cavity 41 and the forming convex part 21; then, moving the upper movable plate 31 to move, so that a certain space is reserved between the upper movable plate 31 and the upper die base 30 for a material grabbing manipulator to enter and take out the glue stick; the upper die holder 30 is moved to open the first upper die core 40 and the lower die core 20, and the shell is taken out by the material grabbing manipulator.
Preferably, the side surface of the molding cavity 41 gradually inclines inwards from the bottom to the top, and the inclination angle is 0.5 degrees; the mould stripping reliability can be improved, and the mould clamping is not easy to occur.
An upper template 32 is fixedly installed at the bottom of the upper die holder 30, and the upper template 32 is provided with a first installation window 321; the upper die holder 30 is provided with a first mounting cavity 33, the second upper die core 50 is fixedly mounted in the first mounting cavity 33, and the first upper die core 40 is mounted between the first mounting cavity 33 and the first mounting window 321. The bottom of the first upper mold core 40 is flush with the bottom of the upper mold plate 32.
The upper die plate 32 is provided with an air inlet, one end of the air inlet is exposed on the surface of the upper die plate 32, and the other end of the air inlet is communicated with an air blowing channel 42. The gas inlet comprises a first inlet 322 and a second inlet 323, the first inlet 322 and the second inlet 323 are both round holes, and the diameter of the first inlet 322 is larger than that of the second inlet 323. Since the first inlet 322 is larger than the second inlet 323, the pressure of the gas passing through the second inlet 323 can be increased, so that the pressure of the gas finally blown into the molding cavity 41 and the glue inlet passage 51 is increased, thereby improving the reliability of the mold stripping.
The utility model discloses a design focus lies in: because the first upper die core 40 is provided with the air blowing channel 42 communicated with the rubber inlet channel 51 and the forming cavity 41, when in demoulding, air can be blown into the forming cavity 41 through the air blowing channel 42, and the shell positioned in the forming cavity 41 can be separated from the pressure caused by the air blowing channel 42 so as to realize demoulding; compared with the traditional mode of ejecting the ejector pin out of the mold, the mode of blowing and demolding simplifies the structure of the mold, reduces the manufacturing cost of the mold, and simultaneously can reduce the problem that the surface of the shell is damaged by pulling when the ejector pin ejects the shell, and improve the yield of products.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.
Claims (8)
1. The utility model provides a 0.5 degree does not have capable position and does not pull and hinder casing line face mould which characterized in that: the die comprises a lower die base, a lower die core, an upper die base, a first upper die core and a second upper die core, wherein the lower die base, the lower die core, the first upper die core, the second upper die core and the upper die base are sequentially stacked from bottom to top; wherein:
the lower die core is provided with a molding convex part, the first upper die core is provided with a molding concave cavity, and the lower die core and the first upper die core are closed and enclosed to form a molding cavity for molding the shell;
the second upper die core is provided with a glue inlet channel, and the glue inlet channel is communicated with the forming cavity; the first upper die core is provided with an air blowing channel, one end of the air blowing channel is connected with an external air blowing device, and the other end of the air blowing channel is communicated with the glue inlet channel and the forming cavity.
2. The 0.5 degree no-slide no-pull shell pattern mold according to claim 1, wherein: an upper movable plate is arranged at the top of the upper die base and provided with a glue injection port;
the top of the second upper die core is provided with a glue inlet groove, the glue inlet channel upwards penetrates through the top of the second upper die core and is connected with the glue inlet groove, and the glue injection port is communicated with the glue inlet groove.
3. The 0.5 degree no-slide no-pull shell pattern mold according to claim 2, wherein: the upper movable plate can move up and down and is connected with the upper die holder.
4. The 0.5 degree no-slide no-pull shell pattern mold according to claim 1, wherein: the side of the molding cavity is gradually inclined inwards from the bottom to the top, and the inclination angle is 0.5 degrees.
5. The 0.5 degree no-slide no-pull shell pattern mold according to claim 1, wherein: an upper template is fixedly arranged at the bottom of the upper die holder and provided with a first mounting window;
the upper die base is provided with a first mounting cavity, the second upper die core is fixedly mounted in the first mounting cavity, and the first upper die core is mounted between the first mounting cavity and the first mounting window.
6. The 0.5 degree no-row position no-pulling shell pattern mold according to claim 5, characterized in that: the bottom of the first upper die core is flush with the bottom of the upper die plate.
7. The 0.5 degree no-row position no-pulling shell pattern mold according to claim 5, characterized in that: the upper die plate is provided with an air inlet, one end of the air inlet is exposed on the surface to be measured of the upper die plate, and the other end of the air inlet is communicated with the air blowing channel.
8. The 0.5 degree no-row position no-pull shell pattern mold according to claim 7, characterized in that: the air inlet comprises a first inlet and a second inlet, the first inlet and the second inlet are round holes, and the diameter of the first inlet is larger than that of the second inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120966401.8U CN215151510U (en) | 2021-05-08 | 2021-05-08 | 0.5-degree slide-free shell grain surface mold free of pulling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120966401.8U CN215151510U (en) | 2021-05-08 | 2021-05-08 | 0.5-degree slide-free shell grain surface mold free of pulling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215151510U true CN215151510U (en) | 2021-12-14 |
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ID=79367230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120966401.8U Active CN215151510U (en) | 2021-05-08 | 2021-05-08 | 0.5-degree slide-free shell grain surface mold free of pulling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215151510U (en) |
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2021
- 2021-05-08 CN CN202120966401.8U patent/CN215151510U/en active Active
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