CN212072778U - High-precision texture injection mold - Google Patents
High-precision texture injection mold Download PDFInfo
- Publication number
- CN212072778U CN212072778U CN202020559299.5U CN202020559299U CN212072778U CN 212072778 U CN212072778 U CN 212072778U CN 202020559299 U CN202020559299 U CN 202020559299U CN 212072778 U CN212072778 U CN 212072778U
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- Prior art keywords
- mold
- nickel
- texture
- nickel mold
- outer layer
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- 238000002347 injection Methods 0.000 title claims abstract description 17
- 239000007924 injection Substances 0.000 title claims abstract description 17
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 162
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 81
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 25
- 230000001795 light effect Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 9
- 238000005323 electroforming Methods 0.000 description 6
- 238000000465 moulding Methods 0.000 description 2
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- 239000004926 polymethyl methacrylate Substances 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 230000004313 glare Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- -1 polyethylene terephthalate Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 235000019422 polyvinyl alcohol Nutrition 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Images
Abstract
The embodiment of the utility model belongs to the technical field of dies, in particular to a high-precision texture injection mold, which comprises a mold frame and a mold core arranged in the mold frame, wherein the mold core comprises a nickel mold, a nickel mold outer layer body which is arranged below the nickel mold and fixedly connected with the nickel mold, and a supporting iron core, wherein the supporting iron core is fixedly connected with the nickel mold and the nickel mold outer layer body; the nickel die comprises a concave part, and a plurality of textures are arranged on one surface of the concave part; the width of the texture on the nickel die is 5-50 um. The width of the texture on the nickel mold is smaller and more precise than the texture of the existing mold, and meanwhile, a supporting iron core for supporting the nickel mold and a nickel mold outer layer body are arranged and used for combining the nickel mold and the supporting iron core into a whole, namely forming the mold core. Adopt the utility model discloses an electronic product backshell surface texture width of mould processing is littleer and keep unanimous, and the interval is even between the texture, and various light or light column effect of dazzling are only seen in the discernment of naked eye, see no texture, and the event dazzles the light effect better.
Description
Technical Field
The utility model belongs to the technical field of the mould, especially, indicate an injection mold who is used for processing electronic product such as cell-phone has the texture to the backshell that dazzles the light effect has.
Background
At present, the back shells of various portable electronic products including mobile phones, especially the back shells of electronic products with textures and dazzling light effects arranged on the outer surfaces are mainly manufactured by IML and IMT technologies. However, the adoption of the IML and IMT processes requires that the diaphragm is separately manufactured and placed in an injection mold, the process is complex, the yield is low, and the rear shell with texture cannot be manufactured by adopting a direct mold opening mode; because electronic product backshells such as cell-phone are formed by arc bottom plate and frame integrated into one piece usually, if adopt mould processing, the mould shape is unanimous with the product shape, the mould need set up interior concave surface, present way is, directly adopt metal processing equipment to draw out the texture in 3D injection mold interior concave surface, adopt the texture of this mode processing, because the shake can appear in the machining process, process out the shape of texture, the distance can't guarantee the uniformity between the texture (error > 20um), the texture thickness can appear and differ, lead to naked eye ability discernment, the unable uniformity of texture is arranged, the outward appearance is unclean and tidy, visual effect, fine and smooth degree, it is relatively poor to dazzle the light effect.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, an object of the present invention is to provide a high-precision texture injection mold, which adopts the following technical scheme:
a high-precision texture injection mold comprises a mold frame and a mold core arranged in the mold frame, wherein the mold core comprises a nickel mold, a nickel mold outer layer body arranged below the nickel mold and fixedly connected with the nickel mold, and a supporting iron core arranged in a space formed after the nickel mold is combined with the nickel mold outer layer body, and the supporting iron core is fixedly connected with the nickel mold and the nickel mold outer layer body; the nickel die comprises a concave part, and a plurality of textures are arranged on one surface of the concave part; the width of the texture on the nickel die is 5-50 um. The width of the texture on the nickel mold is smaller and more precise than the texture of the existing mold, meanwhile, a supporting iron core for supporting the nickel mold is arranged, then, the nickel mold outer layer body is formed by adopting electroforming process deposition outside the iron core, the nickel mold and the supporting iron core are combined into a whole, namely, a mold core is formed, and then, the mold core is embedded into a mold frame for use.
Furthermore, the nickel die is formed by integrally molding a concave part and two flat plates respectively arranged at two sides of the concave part, and the thickness of the concave part and the two flat plates is 0.2-0.5 mm.
Furthermore, the texture is arranged on the inner bottom surface of the concave part, the width of the texture is 5-50um, and the height of the texture is 5-15 um.
Or, the texture is arranged on the back surface of the concave part, and the width of the texture is 5-50um, and the height of the texture is 5-15 um.
In order to form an integral mold core, an arc-shaped concave surface which is consistent with the shape of the concave part is arranged in the supporting iron core, two sides of the arc-shaped concave surface are respectively provided with a supporting plane, two side surfaces of the supporting iron core are provided with an inner step part with the same height, and the inner step part is positioned below the supporting plane; the two flat plates of the nickel mold are respectively positioned on the two supporting planes.
Preferably, the cross section of the outer layer body of the nickel mould is U-shaped, and the upper ends of the two side plates of the outer layer body of the nickel mould are respectively provided with an outer step part which is respectively combined with the two inner step parts; the upper end of the outer step part is connected with the lower surface of the flat plate.
Or, the supporting iron core is provided with an arc convex surface which is consistent with the shape of the concave part, and two sides of the arc convex surface are respectively provided with a supporting plane; the two flat plates of the nickel mold are respectively positioned on the two supporting planes.
Preferably, the cross section of the outer layer body of the nickel mold is U-shaped, and the upper ends of the two side plates of the outer layer body of the nickel mold are respectively provided with a supporting flat plate fixedly connected with the lower surfaces of the two flat plates.
The beneficial technical effects are as follows: the width of the texture on the nickel mold is smaller and more precise than the texture of the existing mold, meanwhile, a supporting iron core for supporting the nickel mold is arranged, then, the nickel mold outer layer body is formed by adopting electroforming process deposition outside the iron core, the nickel mold and the supporting iron core are combined into a whole, namely, a mold core is formed, and then, the mold core is embedded into a mold frame for use. Compare with prior art, mold core and the components of a whole that can function independently setting of framed, the texture is not directly processed on the interior concave surface of framed, but inlays in framed after making alone, thereby, adopts the utility model discloses an electronic product backshell surface texture width of mould processing is littleer and keep unanimous, and the interval is even between the texture, and the naked eye discernment only sees various light or light column effect of dazzling, sees no texture, so dazzle light effect better.
Drawings
Fig. 1 is a cross-sectional view of a first embodiment of the present invention;
fig. 2 is a cross-sectional view of a second embodiment of the present invention.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and embodiments.
Example 1
As shown in fig. 1, a high-precision texture injection mold comprises a mold frame 1 and a mold core arranged in the mold frame, wherein the mold core comprises a nickel mold 2, a nickel mold outer layer body 3 arranged below the nickel mold 2 and fixedly connected with the nickel mold, and a support iron core 4 arranged in a space formed after the nickel mold 2 is combined with the nickel mold outer layer body 3, and the support iron core 4 is fixedly connected with the nickel mold 2 and the nickel mold outer layer body; the nickel die 2 comprises a concave part 201, and a plurality of textures 5 are arranged on the inner bottom surface of the concave part; the width of the texture on the nickel die 2 is 5-50 um.
When the width of the texture 5 is less than 50um, the texture cannot be distinguished by naked eyes, and only the glare effect of the surface of the rear shell is seen under different visual angles or light irradiation.
The shape of the nickel die 2 is consistent with that of the back shell of electronic products such as mobile phones and the like.
The nickel mold is made of nickel, has a melting point higher than the injection molding temperature, and is convenient to form by an electroforming process.
In this embodiment, the nickel mold 2 is formed by integrally molding a concave portion 201 and two flat plates 202 respectively disposed at two sides of the concave portion, and the thickness of the concave portion 201 and the two flat plates is 0.2-0.5 mm.
The width of the texture 5 is 5-50um and the height is 5-15 um.
In order to form an integral mold core, an arc concave surface 401 which is consistent with the shape of the concave part is arranged in the supporting iron core 4, two sides of the arc concave surface are respectively provided with a supporting plane 402, two side surfaces of the supporting iron core are provided with an inner step part 403 with the same height, and the inner step part is positioned below the supporting plane; the two flat plates 202 of the nickel mold 2 are respectively positioned on two support planes.
The cross section of the nickel mould outer layer body 3 is U-shaped, and the upper ends of two side plates of the nickel mould outer layer body are respectively provided with an outer step part 301 which is respectively combined with two inner step parts 403; the upper end of the outer step portion is connected to the lower surface of the flat plate 202.
Example 2
As shown in fig. 2, in the present embodiment, the texture 5 is provided on the back surface of the concave portion 201, and the width of the texture 5 is 5-50um and the height is 5-15 um.
The supporting iron core 4 is provided with an arc convex surface 401 'which is consistent with the shape of the concave part, and two sides of the arc convex surface are respectively provided with a supporting plane 402'; the two flat plates 202 of the nickel mold 2 are respectively positioned on two support planes 402.
The cross section of the nickel mould outer layer body 3 is U-shaped, and the upper ends of the two side plates of the nickel mould outer layer body are respectively provided with a supporting flat plate 302 which is fixedly connected with the lower surfaces of the two flat plates 202.
The nickel mould 2 is obtained by depositing on the surface of a plate with textures through a currently common electroforming process, wherein the shape of the plate is consistent with that of an electronic rear shell, so that the shape of the nickel mould 2 is consistent with that of the rear shell, one surface of an inner concave part of the nickel mould 2 formed by deposition through the electroforming process is provided with textures consistent with those on the plate, and the plate is made of polyester acid ester (PC), polyethylene terephthalate (PET), polymethyl methacrylate (PMMA), polyvinyl chloride (PVA) and other materials.
The width of the texture 5 on the nickel mould 2 is smaller than that of the existing mould, the texture is more precise, a supporting iron core 4 for supporting the nickel mould is arranged at the same time, then an electroforming process is adopted to deposit outside the iron core to form a nickel mould outer layer body 3 for combining the nickel mould and the supporting iron core into a whole, namely a mould core is formed, and then the mould core is embedded into a mould frame for use.
It is to be understood that the above-described embodiments are only some of the embodiments of the present invention, and not all embodiments, and that the appended drawings illustrate preferred embodiments of the present invention, but do not limit the scope of the invention. The present invention may be embodied in many different forms and, on the contrary, these embodiments are provided so that this disclosure will be thorough and complete. All utilize the equivalent structure that the content of the utility model discloses a specification and attached drawing was done, direct or indirect application is in other relevant technical field, all is in the same way the utility model discloses within the patent protection scope.
Claims (8)
1. A high-precision texture injection mold comprises a mold frame and a mold core arranged in the mold frame, and is characterized in that the mold core comprises a nickel mold, a nickel mold outer layer body arranged below the nickel mold and fixedly connected with the nickel mold, and a supporting iron core arranged in a space formed after the nickel mold is combined with the nickel mold outer layer body, wherein the supporting iron core is fixedly connected with the nickel mold and the nickel mold outer layer body; the nickel mold includes a recessed portion having a plurality of textures formed on one surface thereof.
2. The high-precision texture injection mold according to claim 1, wherein the nickel mold is integrally formed by a concave portion and two flat plates respectively arranged at both sides of the concave portion, and the thickness of the concave portion and the two flat plates is 0.2-0.5 mm; the width of the texture on the nickel die is 5-50 um.
3. The injection mold for high precision grain according to claim 2, wherein the grain is provided on the inner bottom surface of the concave portion, and the width of the grain is 5-50um and the height thereof is 5-15 um.
4. The injection mold for high precision grain according to claim 2, wherein the grain is provided on the back surface of the concave portion, and the grain has a width of 5-50um and a height of 5-15 um.
5. The high-precision texture injection mold as claimed in claim 3, wherein the support core is provided with an arc concave surface conforming to the shape of the concave portion, two sides of the arc concave surface are respectively provided with a support plane, two side surfaces of the support core are provided with an inner step portion with the same height, and the inner step portion is positioned below the support plane; the two flat plates of the nickel mold are respectively positioned on the two supporting planes.
6. The high-precision texture injection mold as claimed in claim 5, wherein the cross section of the outer layer body of the nickel mold is U-shaped, and the upper ends of the two side plates of the outer layer body of the nickel mold are respectively provided with an outer step part which is respectively combined with the two inner step parts; the upper end of the outer step part is connected with the lower surface of the flat plate.
7. The injection mold for high precision grain according to claim 4, wherein the supporting core is provided with an arc convex surface conforming to the shape of the concave portion, and a supporting plane is provided on each of both sides of the arc convex surface; the two flat plates of the nickel mold are respectively positioned on the two supporting planes.
8. The injection mold for high precision grain according to claim 7, wherein the cross section of the outer layer body of the nickel mold is U-shaped, and a support plate fixedly connected to the lower surfaces of the two plates is provided at the upper ends of the two side plates of the outer layer body of the nickel mold, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020559299.5U CN212072778U (en) | 2020-04-15 | 2020-04-15 | High-precision texture injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020559299.5U CN212072778U (en) | 2020-04-15 | 2020-04-15 | High-precision texture injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212072778U true CN212072778U (en) | 2020-12-04 |
Family
ID=73594906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020559299.5U Active CN212072778U (en) | 2020-04-15 | 2020-04-15 | High-precision texture injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212072778U (en) |
-
2020
- 2020-04-15 CN CN202020559299.5U patent/CN212072778U/en active Active
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