CN114347391A - Moving die, intelligent keycap die with moving die and preparation process of smooth layer - Google Patents
Moving die, intelligent keycap die with moving die and preparation process of smooth layer Download PDFInfo
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- CN114347391A CN114347391A CN202210020505.9A CN202210020505A CN114347391A CN 114347391 A CN114347391 A CN 114347391A CN 202210020505 A CN202210020505 A CN 202210020505A CN 114347391 A CN114347391 A CN 114347391A
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- glass
- alloy
- smooth layer
- concave
- powder
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- 238000002360 preparation method Methods 0.000 title abstract description 8
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 59
- 239000000956 alloy Substances 0.000 claims abstract description 59
- 239000011521 glass Substances 0.000 claims abstract description 57
- 229910052751 metal Inorganic materials 0.000 claims abstract description 10
- 239000002184 metal Substances 0.000 claims abstract description 6
- 239000000843 powder Substances 0.000 claims description 40
- 230000005496 eutectics Effects 0.000 claims description 19
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 239000000126 substance Substances 0.000 claims description 9
- 238000009499 grossing Methods 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 8
- 238000002844 melting Methods 0.000 claims description 7
- 230000008018 melting Effects 0.000 claims description 7
- 229910052759 nickel Inorganic materials 0.000 claims description 7
- 239000010687 lubricating oil Substances 0.000 claims description 5
- 229910052748 manganese Inorganic materials 0.000 claims description 4
- 229910052750 molybdenum Inorganic materials 0.000 claims description 4
- 229910052710 silicon Inorganic materials 0.000 claims description 4
- LSGOVYNHVSXFFJ-UHFFFAOYSA-N vanadate(3-) Chemical compound [O-][V]([O-])([O-])=O LSGOVYNHVSXFFJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 10
- 239000004033 plastic Substances 0.000 abstract description 8
- 229920003023 plastic Polymers 0.000 abstract description 8
- 238000000465 moulding Methods 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000007493 shaping process Methods 0.000 abstract description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 9
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000011572 manganese Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 239000003550 marker Substances 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000006060 molten glass Substances 0.000 description 2
- 229910000914 Mn alloy Inorganic materials 0.000 description 1
- 229910000676 Si alloy Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- ZAUUZASCMSWKGX-UHFFFAOYSA-N manganese nickel Chemical compound [Mn].[Ni] ZAUUZASCMSWKGX-UHFFFAOYSA-N 0.000 description 1
- PYLLWONICXJARP-UHFFFAOYSA-N manganese silicon Chemical compound [Si].[Mn] PYLLWONICXJARP-UHFFFAOYSA-N 0.000 description 1
- 238000010309 melting process Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000010137 moulding (plastic) Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- -1 that is Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Images
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The movable die comprises a movable die main body made of metal, the movable die main body is provided with a keycap cavity, the bottom cavity wall of the keycap cavity is provided with a first concave identification part, the inner surface of the first concave identification part is provided with a smooth layer, and a space formed by enclosing the smooth layer is a second concave identification part; the smooth layer comprises a glass part and an alloy part, and the alloy part is positioned in the glass part, partially extends out of the glass part and is fused with the movable mold main body. The application provides a movable mould and have its intelligent key cap mould, the preparation technology of smooth layer, not only make the smooth layer enclose the smooth surface smoothness of second concave identification portion good, the material of moulding plastics is difficult to bond with the surface of second concave identification portion, show and reduce the risk that remains in the concave identification and mould plastics the clout, improve the shaping quality of convex identification on the key cap, but also can make the joint strength between smooth layer and the movable mould main part high, improve the structural stability of movable mould.
Description
Technical Field
The invention relates to the technical field of plastic molding, in particular to the technical field of molds, and particularly relates to a movable mold and a preparation process of an intelligent keycap mold and a smooth layer with the movable mold.
Background
Referring to fig. 1, in order to improve the tactile sensation of the user and prolong the service life of the keyboard sign, a convex sign is usually formed on the top surface of the keycap. Wherein, foretell key cap passes through the key cap mould preparation of moulding plastics and forms, and is specific: the key cap mould comprises a fixed mould and a movable mould, each key cap cavity of the key cap mould is respectively positioned in the fixed mould and the movable mould, part of the key cap cavities positioned in the movable mould are first key cap cavities, the first key cap cavities are provided with concave marks, and the concave marks are formed through the concave marks.
The concave logo in the first key cap cavity is mostly formed by machining. However, the concave mark is small in size, the smoothness of the inner surface of the concave mark formed by machining is relatively poor, and the movable mold can leave injection molding remnants in the concave mark in the long-term use process, so that the molding quality of the convex mark on the keycap is influenced.
Disclosure of Invention
In view of the above defects or shortcomings in the prior art, it is desirable to provide a movable mold and a manufacturing process of a smart key cap mold and a smooth layer having the movable mold.
In a first aspect, the application provides a movable mold, the movable mold comprises a movable mold main body made of a metal material, the movable mold main body is provided with a keycap cavity, a bottom cavity wall of the keycap cavity is provided with a first concave identification part, the inner surface of the first concave identification part is provided with a smooth layer, and a space formed by the smooth layer in a surrounding manner is a second concave identification part;
the smooth layer comprises a glass part and an alloy part, and the alloy part is positioned in the glass part, partially extends out of the glass part and is fused with the movable mold main body.
Further, the glass portion is formed by heating glass powder, and the alloy portion is formed by heating alloy powder, wherein the weight ratio of the glass powder to the alloy powder is greater than or equal to 2 and less than or equal to 4.
Further, the material of the glass part is vanadate glass, and the melting point of the glass part is above 300 ℃.
Further, the metal element in the alloy portion is at least partially the same as the metal element in the movable mold body.
Further, the alloy portion includes at least two elements of Mn, Si, Ni, and Mo.
In a second aspect, the application further provides an intelligent keycap mold, which comprises a movable mold.
In a third aspect, the present application further provides a process for preparing a smoothing layer, comprising:
alloy powder is laid on the inner surface of the first concave identification part;
paving glass powder on the alloy powder;
heating and melting the alloy powder and the glass powder to obtain a eutectic substance;
before the eutectic is not solidified, the convex mark model is inserted into the first concave mark part so as to shape the eutectic and form a smooth layer.
Further, the outer surface of the convex identification model is coated with lubricating oil.
Further, after inserting the convex marker model into the first concave marker portion, the method further includes:
and removing the part of the eutectic substance overflowing the first concave mark part.
The application provides a movable mould and have its intelligent key cap mould, the preparation technology of smooth layer, the internal surface through first concave shape sign portion is equipped with the smooth layer, the smooth layer includes glass portion and alloy portion, the alloy portion is located glass portion and the part stretches out glass portion and fuses with the movable mould main part mutually, not only make the smooth layer second concave shape sign portion's that encloses smooth layer smooth surface degree good, the material of moulding plastics is difficult to bond with the surface of second concave shape sign portion, show to remain the risk that has the clout of moulding plastics in reducing the concave shape sign, improve the shaping quality of convex shape sign on the key cap, and can also make the joint strength between smooth layer and the movable mould main part high, improve the structural stability of movable mould.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
FIG. 1 is a schematic structural diagram of a convex mark on a keycap in the prior art;
FIG. 2 is a schematic structural diagram of a smoothing layer provided in an embodiment of the present application;
FIG. 3 is a schematic cross-sectional view of a lubricious layer provided by an embodiment of the present application;
fig. 4 is a flowchart of a process for preparing a smooth layer according to an embodiment of the present disclosure.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Referring to fig. 2-3, an embodiment of the present application provides a movable mold, which includes a movable mold main body 200 made of a metal material, the movable mold main body 200 has a key cap cavity 210, a bottom cavity wall of the key cap cavity 210 is provided with a first concave mark 211, an inner surface of the first concave mark 211 is provided with a smooth layer 220, and a space surrounded by the smooth layer 220 is a second concave mark 212;
wherein the smoothing layer 220 comprises a glass portion 221 and an alloy portion 222, and the alloy portion 222 is positioned in the glass portion 221 and partially extends out of the glass portion 221 and is fused with the movable mold main body 200.
In this embodiment, the movable mold includes a movable mold body 200, and the movable mold body 200 is made of metal. The movable mold body 200 has a plurality of key cap cavities 210, and the bottom cavity wall of each key cap cavity 210 is provided with a first concave mark 211. It should be understood that the key cap cavity 210 of the movable mold body 200 is not the cavity of the key cap 100 mold, but is only the portion of the key cap 100 mold where the cavity is located in the movable mold. The inner surface of the first concave mark 211 is provided with a smooth layer 220, a space defined by the bottom wall and the side wall of the smooth layer 220 is a second concave mark 212, and the second concave mark 212 is used for forming the convex mark 110 of the key cap 100.
The smoothing layer 220 includes a glass portion 221 and an alloy portion 222, and the alloy portion 222 is located inside the glass portion 221 and partially protrudes from the glass portion 221 and is fused with the movable mold body 200. Specifically, the alloy portion 222 is fused with the bottom wall of the first concave identification portion 211, and the alloy portion 222 is separated from the second concave identification portion 212 by the glass portion 221, so that the inner surface of the second concave identification portion 212 is a glass surface, and has good smoothness, stable chemical performance and good non-stick performance. The inner surface of the second concave mark portion 212 is a glass surface. The fusion herein is a bonding between metals, for example, a new alloy is generated, that is, the alloy portion 222 and the first concave mark portion 211 are fused together. The glass portion 221 is not only bonded to the inner surface of the first concave mark 211, but also the glass portion 221 wraps the fixed alloy portion 222 and is fixedly connected with the movable mold main body 200 through the alloy portion 222, so that the connection strength between the smooth layer 220 and the movable mold main body 200 is high.
Through setting up foretell smooth layer 220, not only make the surface smoothness of the second concavity sign 212 that smooth layer 220 encloses good, the material of moulding plastics is difficult to bond with the surface of second concavity sign 212, is showing to reduce the risk that remains in the concavity sign and moulds plastics the clout, improves the shaping quality of convexity sign 110 on key cap 100, but also can make the joint strength between smooth layer 220 and the movable mould main part 200 high, improves the structural stability of movable mould.
Wherein, the material of glass portion 221 is vanadate glass, and the melting point of glass portion 221 is more than 300 ℃, so set up not only help reducing the raw materials cost of smooth layer 220, and can also ensure the intensity of smooth layer 220 when moulding plastics preparation key cap 100. The melting point of the alloy portion 222 is also preferably 300 ℃.
It should be understood that the second concave mark 212 shown in fig. 2-3 is used to form a T mark, but is not limited to a T mark, and may be any one or more marks on a keyboard.
In some embodiments of the present application, the glass portion 221 is formed by heating glass powder, and the alloy portion 222 is formed by heating alloy powder, wherein the weight ratio of the glass powder to the alloy powder is 2 or more and 4 or less.
In the present embodiment, when the weight ratio of the glass powder to the alloy powder is 2 or more and 4 or less, the content of the glass portion 221 in the smooth layer 220 can be secured, and the bonding strength between the alloy portion 222 and the movable mold main body 200 can also be considered.
For example: the weight ratio of the glass powder to the alloy powder is 3, and the balance between the content of the glass portion 221 and the bonding strength between the alloy portion 222 and the movable mold main body 200 is optimized.
In some embodiments of the present application, the metallic element in the alloy portion 222 is at least partially the same as the metallic element in the movable mold body 200, and such an arrangement can facilitate the fusing effect between the alloy portion 222 and the movable mold body 200.
For example: the alloy part 222 has nickel element, and the movable mold main body 200 also has nickel element, so that the alloy part 222 and the nickel element in the movable mold main body 200 can be well fused, and the connection strength between the alloy part 222 and the movable mold main body is improved.
In some embodiments of the present application, alloy portion 222 includes at least two elements of Mn, Si, Ni, Mo.
The material of the movable mold body 200 is mostly hot-work die steel, such as 4Cr5W2SiV, 4CrMnSiMoV, etc., hot-work die steel materials are well-known materials and are not described in detail herein. The alloy portion 222 of the present embodiment uses at least two elements of Mn, Si, Ni, and Mo, and can be preferably fused with the hot-work die steel material, which contributes to an improvement in the bonding strength between the alloy portion 222 and the movable die main body 200.
For example: the alloy portion 222 is a manganese-silicon alloy, a nickel-manganese alloy, or the like.
The embodiment of the application further provides an intelligent keycap 100 die, which comprises a movable die.
Referring to fig. 4, an embodiment of the present application further provides a process for preparing the smoothing layer 220, including:
s100: alloy powder is laid on the inner surface of the first concave mark 211;
s200: paving glass powder on the alloy powder;
s300: heating and melting the alloy powder and the glass powder to obtain a eutectic substance;
s400: before the eutectic is not solidified, the convex mark 110 model is inserted into the first concave mark 211 to shape the eutectic and form the smooth layer 220.
In this embodiment, alloy powder and glass powder are sequentially laid on the inner surface of the first concave identification portion 211, the alloy powder and the glass powder are heated and melted to be melted and mixed to obtain a eutectic, then the convex identification 110 model is inserted into the first concave identification portion 211 before the eutectic is not solidified to shape the eutectic and form the smooth layer 220, and the convex identification 110 model is taken out after the eutectic is solidified, so that the preparation process of the smooth layer 220 is simple and easy to operate.
Wherein, the laying mode of the alloy powder and the glass powder can be a spraying mode and the like. The mode of performing the heat-melting process of the alloy powder and the glass powder can contribute to the fusion between the alloy portion 222 and the movable mold body 200 by heating the movable mold body 200 as a whole.
The outer surface of the convex mark 110 is coated with lubricating oil, that is, lubricating oil is filled between the convex mark 110 and the molten glass part 221, so that the convex mark 110 and the molten glass part 221 can be prevented from being bonded with each other, and the convex mark 110 can be easily taken out after the eutectic is solidified. It should be understood that after the convex mark 110 model is taken out, the lubricating oil remaining on the surface of the smooth layer 220 is removed by washing.
In some embodiments of the present application, after inserting the convex identifier 110 model into the first concave identifier 211, further comprises:
the eutectic substance overflowing the first concave mark 211 is removed.
In the present embodiment, in order to improve the manufacturing efficiency of the smoothing layer 220, the amount of glass powder in the manufacturing material required for the smoothing layer 220 may be increased. After the convex mark 110 model is inserted into the first concave mark 211, part of the eutectic substance overflows from the first concave mark 211, the overflowing part is the glass part 221, and the eutectic substance overflowing the first concave mark 211 is removed by scraping or the like.
It will be understood that any orientation or positional relationship indicated above with respect to the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," etc., is based on the orientation or positional relationship shown in the drawings and is for convenience in describing and simplifying the invention, and does not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be considered limiting of the invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.
The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by a person skilled in the art that the scope of the invention as referred to in the present application is not limited to the embodiments with a specific combination of the above-mentioned features, but also covers other embodiments with any combination of the above-mentioned features or their equivalents without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.
Claims (9)
1. A movable die is characterized by comprising a movable die main body made of metal, wherein the movable die main body is provided with a keycap cavity, the bottom cavity wall of the keycap cavity is provided with a first concave identification part, the inner surface of the first concave identification part is provided with a smooth layer, and a space formed by the smooth layer in a surrounding mode is a second concave identification part;
wherein the smooth layer comprises a glass part and an alloy part, and the alloy part is positioned in the glass part, partially extends out of the glass part and is fused with the movable mold main body.
2. The moving mold according to claim 1, wherein the glass portion is formed by heat-treating glass powder, and the alloy portion is formed by heat-treating alloy powder, and wherein a weight ratio of the glass powder to the alloy powder is 2 or more and 4 or less.
3. The moving mold according to claim 1, wherein the glass part is made of vanadate glass, and the melting point of the glass part is 300 ℃ or higher.
4. The moving mold according to claim 1, wherein a metallic element in the alloy portion is at least partially the same as a metallic element in the moving mold body.
5. The moving mold according to claim 4, wherein the alloy portion comprises at least two elements of Mn, Si, Ni, Mo.
6. A smart key cap mould comprising the moveable mould according to any one of claims 1 to 5.
7. A process for preparing the smoothing layer of any one of claims 1 to 5, comprising:
alloy powder is laid on the inner surface of the first concave mark part;
laying glass powder on the alloy powder;
heating and melting the alloy powder and the glass powder to obtain a eutectic substance;
before the eutectic is not solidified, inserting a convex mark model into the first concave mark part to shape the eutectic and form the smooth layer.
8. The process for preparing a slippery layer of claim 7, wherein the outer surface of the convex logo model is coated with a lubricating oil.
9. The process for preparing a lubricious layer as defined in claim 7 further comprising, after the inserting the male logo mold into the first female logo portion:
and removing the eutectic substance which overflows the first concave mark part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210020505.9A CN114347391A (en) | 2022-01-10 | 2022-01-10 | Moving die, intelligent keycap die with moving die and preparation process of smooth layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210020505.9A CN114347391A (en) | 2022-01-10 | 2022-01-10 | Moving die, intelligent keycap die with moving die and preparation process of smooth layer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114347391A true CN114347391A (en) | 2022-04-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210020505.9A Pending CN114347391A (en) | 2022-01-10 | 2022-01-10 | Moving die, intelligent keycap die with moving die and preparation process of smooth layer |
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| Country | Link |
|---|---|
| CN (1) | CN114347391A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007286417A (en) * | 2006-04-18 | 2007-11-01 | Chiyoda Kasei Kk | Light guide panel |
| CN102473826A (en) * | 2010-03-26 | 2012-05-23 | 京瓷株式会社 | Light-reflecting substrate, substrate which can be mounted in light-emitting element, light-emitting device, and process for production of substrate which can be mounted in light-emitting element |
| CN104108188A (en) * | 2013-04-18 | 2014-10-22 | 翁庆隆 | Die structure used for moulded composite fiber material die and manufacturing method thereof |
| CN111136839A (en) * | 2018-11-02 | 2020-05-12 | 佛山市顺德区美的电热电器制造有限公司 | Mold and preparation method thereof |
| CN111152403A (en) * | 2019-12-20 | 2020-05-15 | 精利模塑科技（无锡）有限公司 | Automobile injection mold forming and surface strengthening treatment process |
-
2022
- 2022-01-10 CN CN202210020505.9A patent/CN114347391A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007286417A (en) * | 2006-04-18 | 2007-11-01 | Chiyoda Kasei Kk | Light guide panel |
| CN102473826A (en) * | 2010-03-26 | 2012-05-23 | 京瓷株式会社 | Light-reflecting substrate, substrate which can be mounted in light-emitting element, light-emitting device, and process for production of substrate which can be mounted in light-emitting element |
| CN104108188A (en) * | 2013-04-18 | 2014-10-22 | 翁庆隆 | Die structure used for moulded composite fiber material die and manufacturing method thereof |
| CN111136839A (en) * | 2018-11-02 | 2020-05-12 | 佛山市顺德区美的电热电器制造有限公司 | Mold and preparation method thereof |
| CN111152403A (en) * | 2019-12-20 | 2020-05-15 | 精利模塑科技（无锡）有限公司 | Automobile injection mold forming and surface strengthening treatment process |
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Application publication date: 20220415 |