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CN117283912A - 3D inner engraving production process for die - Google Patents

3D inner engraving production process for die Download PDF

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Publication number
CN117283912A
CN117283912A CN202311159181.8A CN202311159181A CN117283912A CN 117283912 A CN117283912 A CN 117283912A CN 202311159181 A CN202311159181 A CN 202311159181A CN 117283912 A CN117283912 A CN 117283912A
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CN
China
Prior art keywords
light guide
epoxy resin
guide plate
parts
engraving
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202311159181.8A
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Chinese (zh)
Inventor
蒲星雨
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN202311159181.8A priority Critical patent/CN117283912A/en
Publication of CN117283912A publication Critical patent/CN117283912A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/00663—Production of light guides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
    • B29C39/003—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor characterised by the choice of material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
    • B29C39/02—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of definite length, i.e. discrete articles
    • B29C39/026—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of definite length, i.e. discrete articles characterised by the shape of the surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
    • B29C39/02—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of definite length, i.e. discrete articles
    • B29C39/028—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of definite length, i.e. discrete articles having an axis of symmetry
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
    • B29C39/22—Component parts, details or accessories; Auxiliary operations
    • B29C39/26—Moulds or cores
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/34—Silicon-containing compounds
    • C08K3/36—Silica
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/01—Hydrocarbons
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0065—Manufacturing aspects; Material aspects

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Manufacturing & Machinery (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Engineering (AREA)
  • Ophthalmology & Optometry (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)

Abstract

The invention relates to the technical field of 3D internal engraving production of dies, and discloses a 3D internal engraving production process of a die, which comprises the following steps: s1, preparing a light guide raw material; s2, solidifying, wherein the epoxy resin is solidified from a liquid state to a solid state; s3, demolding, and taking out the light guide plate from the silica gel mold; s4, polishing, namely polishing the blank to increase the light guide property; s5, coloring, namely adding colors to the patterns in the light guide plate to increase colors; s6, attaching the two light guide plates, wherein the two concave patterns are aligned and attached, so that the two smooth surfaces face outwards; in the invention, the epoxy resin has good wear resistance and fading resistance, the manufactured light guide plate can keep the definition and brightness of patterns for a long time, the epoxy resin light guide plate has uniform thickness and texture, so that lamplight can effectively penetrate through the whole plate surface, a higher highlighting effect is realized, and abundant three-dimensional patterns and depth sense can be realized by pouring the epoxy resin into a die, so that the light guide plate has a three-dimensional effect under illumination.

Description

3D inner engraving production process for die
Technical Field
The invention belongs to the technical field of light guide plates, and particularly relates to a 3D inner engraving production process of a die.
Background
The patterns or figures in the existing handicraft article are processed by an engraving process, or the patterns or figures are pasted in the handicraft article by using pattern stickers, and when the lamplight irradiates on the handicraft article, the patterns are highlighted, so that a highlighting effect is generated;
the engraving process or decal may be insufficiently durable, subject to abrasion by rubbing, scratching, or prolonged illumination, which may cause the graphic to gradually blur or fade, affecting the appearance and look of the artwork, and since the pattern inside the artwork is achieved by a surface process, there may be uneven thickness and texture, which may result in the light not being able to fully penetrate the pattern when illuminated, reducing the highlighting effect, the pattern of the engraving process or decal often lacks a stereoscopic and depth impression, which may make the pattern look more planar and monotonous under illumination.
Disclosure of Invention
The invention aims to provide a 3D inner engraving production process for a die, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: A3D inner engraving production process of a die comprises the following steps:
s1, preparing a light guide raw material: the method comprises the following steps of taking epoxy resin, a hardening agent, a filling material and an optical brightening agent as light guide raw materials for preparing the light guide plate, wherein the weight of the light guide raw materials and the components thereof are as follows: 40-55 parts of epoxy resin, 6-12 parts of hardener, 35-45 parts of filler and 3-7 parts of optical brightening agent;
firstly, uniformly stirring and mixing epoxy resin and a hardening agent in a high-shear stirrer or a stirring tank according to the proportion to form an epoxy resin matrix, then gradually and gradually adding a filling material, continuously stirring, and finally adding an optical brightening agent and stirring to prepare an epoxy resin solution;
s2, solidifying: pouring the epoxy resin solution prepared in the step S1 into a silica gel mold, and forming solid epoxy resin from liquid state through a curing process to prepare an epoxy resin light guide plate blank;
s3, demolding: after the epoxy resin is completely cured, taking out the light guide plate blank from the silica gel mold, wherein one surface of the light guide plate blank is a smooth surface, and the other surface of the light guide plate blank is a concave surface part with a concave surface pattern;
s4, polishing: polishing the two sides of the demoulded light guide plate respectively to remove burrs, flaws and unevenness on the surface so as to obtain a smooth surface;
s5, coloring: adding color on the concave surface pattern of the light guide plate to obtain a high-transparency epoxy resin light guide plate;
s6, laminating: and bonding the two high-transparency epoxy resin light guide plates prepared by the process.
Preferably, the epoxy resin in the step S1 is a two-component epoxy resin;
preferably, the filler in the step S1 is at least one of silica and aluminum oxide.
Preferably, the optical brightening agent in the step S1 is at least one of stilbene and styrene.
Preferably, the mixing temperature of the high shear mixer or the mixing tank in the step S1 is 280-320 ℃.
Preferably, the color paint used for adding color on the concave pattern of the light guide plate in the step S5 includes a dye, a pigment or a colored coating material.
Preferably, the silicone mold in step S2 includes a mold body and a protrusion pattern disposed in a filling space of the mold body, and the epoxy resin solution is poured into the filling space of the silicone mold.
Preferably, in the step S6, when the two high-transparent epoxy resin light guide plates are bonded, the concave patterns on the concave portions of the two high-transparent epoxy resin light guide plates are aligned and bonded, so that the two high-transparent epoxy resin light guide plates are smooth and face outwards.
Preferably, the weight and the composition of the light guide raw material are as follows: 45 parts of epoxy resin, 10 parts of hardener, 40 parts of filler and 5 parts of optical brightening agent.
Preferably, the weight and the composition of the light guide raw material are as follows: 50 parts of epoxy resin, 9 parts of hardener, 35 parts of filler and 6 parts of optical brightening agent.
The invention has the technical effects and advantages that: according to the 3D inner carving production process of the die, epoxy resin has good wear resistance and fading resistance, the manufactured light guide plate can keep clear and bright of patterns for a long time, the epoxy resin light guide plate has uniform thickness and texture, light can effectively penetrate through the whole plate surface, a high highlighting effect is achieved, abundant three-dimensional patterns and depth sense can be achieved by pouring epoxy resin into the die, the light guide plate has more vivid and three-dimensional effect under illumination, in a word, the light guide plate manufactured by pouring epoxy resin into the die has better durability, light permeability and three-dimensional sense relative to a carving process or a decoration manufactured by a sticker, and a better visual effect and a higher looking experience can be provided.
Drawings
FIG. 1 is a schematic view of a high-transparency epoxy light guide plate according to the present invention at a first viewing angle;
FIG. 2 is a schematic view of a second view angle of the high-transparency epoxy light guide plate according to the present invention;
FIG. 3 is a schematic structural view of a silicone mold according to the present invention;
fig. 4 is a state diagram of the two high-transparency epoxy resin light guide plates of the present invention.
In the figure: 101. a die body; 102. filling the space; 103. a protrusion pattern; 201. high-transparency epoxy resin light guide plate; 202. a concave pattern; 203. leveling the smooth surface; 204. a concave portion.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention provides a 3D inner engraving production process of a die, which is shown in figures 1-4, and comprises the following steps:
s1, preparing a light guide raw material: the method comprises the following steps of taking epoxy resin, a hardening agent, a filling material and an optical brightening agent as light guide raw materials for preparing the light guide plate, wherein the weight of the light guide raw materials and the components thereof are as follows: 40-55 parts of epoxy resin, 6-12 parts of hardener, 35-45 parts of filler and 3-7 parts of optical brightening agent;
firstly, uniformly stirring and mixing epoxy resin and a hardening agent in a high-shear stirrer or a stirring tank according to the proportion to form an epoxy resin matrix, then gradually and gradually adding a filling material, continuously stirring, and finally adding an optical brightening agent and stirring to prepare an epoxy resin solution;
s2, solidifying: pouring the epoxy resin solution prepared in the step S1 into a silica gel mold, and forming solid epoxy resin from liquid state through a curing process to prepare an epoxy resin light guide plate blank, wherein the epoxy resin mixture is poured into the silica gel mold to ensure that the resin is filled with patterns and preset spaces, and stirring and pouring operations are required to be performed rapidly so as to avoid uneven distribution of the epoxy resin before the epoxy resin starts to cure;
s3, demolding: after the epoxy resin is completely cured, taking out the light guide plate blank from the silica gel mold, wherein one surface of the light guide plate blank is a smooth surface 203, the other surface of the light guide plate blank is a concave surface 204 with a concave pattern 202, and taking care when demolding, and ensuring that the surface and the shape of the light guide plate are not damaged in the demolding process;
s4, polishing: polishing the two sides of the demoulded light guide plate respectively to remove burrs, flaws and unevenness on the surface so as to obtain a smooth surface;
s5, coloring: adding color on the concave pattern 202 of the light guide plate to obtain a high-transparency epoxy resin light guide plate 201, and coloring to increase color effect and visual appeal;
s6, laminating: the two high-transparency epoxy resin light guide plates 201 manufactured by the process are attached, so that a complete light guide plate structure can be formed, and the light transmission effect and the intensity are improved.
The process flows are combined with the use of the silica gel mold, so that the epoxy resin light guide plate with various shapes, rich colors and good optical performance can be prepared. In actual production, the method is based on different requirements and product designs.
Specifically, the epoxy resin in the step S1 is a two-component epoxy resin, which contains 30% of epoxy groups, and a hardener is used to react with the epoxy resin to promote chemical curing, providing excellent hardness and durability.
Specifically, the filler in the step S1 is at least one of silica and aluminum oxide, and the filler is high-purity silica, and has a particle size in the range of 5-15 micrometers, so as to adjust the optical performance of the light guide plate and provide mechanical support.
Specifically, the optical brightening agent in the step S1 is at least one of stilbene and styrene, and the optical brightening agent is stilbene, so as to improve the light transmittance and brightness of the light guide plate and ensure excellent light transmission performance.
Specifically, the mixing temperature of the high shear stirrer or the stirring tank in the step S1 is 280-320 ℃.
Specifically, the color paint used for adding color on the concave pattern 202 of the light guide plate in the step S5 includes a dye, a pigment or a colored coating material.
Specifically, in the present invention, as shown in fig. 3, the silicone mold in step S2 includes a mold body 101 and a protrusion pattern 103 disposed in a filling space 102 of the mold body 101, and the epoxy resin solution is poured into the filling space 102 of the silicone mold, so that the silicone mold is designed to ensure smooth and undamaged surfaces of the mold during the preparation of the silicone mold, so as to prevent the impact on the final light guide plate.
Specifically, in the present invention, as shown in fig. 4, when the two high-transparent epoxy resin light guide plates 201 are attached in step S6, the concave patterns on the concave portions 204 of the two high-transparent epoxy resin light guide plates 201 are aligned and attached, so that the flat smooth surfaces 203 of the two high-transparent epoxy resin light guide plates 201 face outwards.
Specifically, as a preferable scheme, the weight of the light guide raw material and the composition components thereof are as follows: 45 parts of epoxy resin, 10 parts of hardener, 40 parts of filler and 5 parts of optical brightening agent.
Specifically, as a preferable scheme, the weight of the light guide raw material and the composition components thereof are as follows: 50 parts of epoxy resin, 9 parts of hardener, 35 parts of filler and 6 parts of optical brightening agent.
According to the 3D inner carving production process of the die, epoxy resin has good wear resistance and fading resistance, the manufactured light guide plate can keep clear and bright of patterns for a long time, the epoxy resin light guide plate has uniform thickness and texture, light can effectively penetrate through the whole plate surface, a high highlighting effect is achieved, abundant three-dimensional patterns and depth sense can be achieved by pouring epoxy resin into the die, the light guide plate has more vivid and three-dimensional effect under illumination, in a word, the light guide plate manufactured by pouring epoxy resin into the die has better durability, light permeability and three-dimensional sense relative to a carving process or a decoration manufactured by a sticker, and a better visual effect and a higher looking experience can be provided.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present invention.

Claims (10)

1. A3D inner engraving production process for a die is characterized by comprising the following steps of: the method comprises the following steps:
s1, preparing a light guide raw material: the method comprises the following steps of taking epoxy resin, a hardening agent, a filling material and an optical brightening agent as light guide raw materials for preparing the light guide plate, wherein the weight of the light guide raw materials and the components thereof are as follows: 40-55 parts of epoxy resin, 6-12 parts of hardener, 35-45 parts of filler and 3-7 parts of optical brightening agent;
firstly, uniformly stirring and mixing epoxy resin and a hardening agent in a high-shear stirrer or a stirring tank according to the proportion to form an epoxy resin matrix, then gradually and gradually adding a filling material, continuously stirring, and finally adding an optical brightening agent and stirring to prepare an epoxy resin solution;
s2, solidifying: pouring the epoxy resin solution prepared in the step S1 into a silica gel mold, and forming solid epoxy resin from liquid state through a curing process to prepare an epoxy resin light guide plate blank;
s3, demolding: after the epoxy resin is completely cured, taking out the light guide plate blank from the silica gel mold, wherein one surface of the light guide plate blank is a smooth surface (203), and the other surface of the light guide plate blank is a concave surface part (204) with a concave surface pattern (202);
s4, polishing: polishing the two sides of the demoulded light guide plate respectively to remove burrs, flaws and unevenness on the surface so as to obtain a smooth surface;
s5, coloring: adding color on the concave surface pattern (202) of the light guide plate to obtain a high-transparency epoxy resin light guide plate (201);
s6, laminating: and bonding the two high-transparency epoxy resin light guide plates (201) prepared by the process.
2. The process for producing 3D engraving of a mold according to claim 1, characterized in that: the epoxy resin in the step S1 is a two-component epoxy resin.
3. The process for producing 3D engraving of a mold according to claim 1, characterized in that: the filler in the step S1 is at least one of silicon dioxide and aluminum oxide.
4. The process for producing 3D engraving of a mold according to claim 1, characterized in that: the optical brightening agent in the step S1 is at least one of stilbene and styrene.
5. The process for producing 3D engraving of a mold according to claim 1, characterized in that: the mixing and stirring temperature of the high-shear stirrer or the stirring tank in the step S1 is 280-320 ℃.
6. The process for producing 3D engraving of a mold according to claim 1, characterized in that: the color paint used for adding color on the concave pattern (202) of the light guide plate in the step S5 comprises dye, pigment or colored coating material.
7. The process for producing 3D engraving of a mold according to claim 1, characterized in that: the silica gel mold in the step S2 comprises a mold body (101) and a convex pattern (103) arranged in a filling space (102) of the mold body (101), and the epoxy resin solution is poured into the filling space (102) of the silica gel mold.
8. The process for producing 3D engraving of a mold according to claim 1, characterized in that: when the two high-transparent epoxy resin light guide plates (201) are bonded in the step S6, concave patterns on concave portions (204) of the two high-transparent epoxy resin light guide plates (201) are aligned and bonded, so that smooth surfaces (203) of the two high-transparent epoxy resin light guide plates (201) face outwards.
9. The process for producing 3D engraving of a mold according to claim 1, characterized in that: the weight and the composition components of the light guide raw material are as follows: 45 parts of epoxy resin, 10 parts of hardener, 40 parts of filler and 5 parts of optical brightening agent.
10. The process for producing 3D engraving of a mold according to claim 1, characterized in that: the weight and the composition components of the light guide raw material are as follows: 50 parts of epoxy resin, 9 parts of hardener, 35 parts of filler and 6 parts of optical brightening agent.
CN202311159181.8A 2023-09-09 2023-09-09 3D inner engraving production process for die Pending CN117283912A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311159181.8A CN117283912A (en) 2023-09-09 2023-09-09 3D inner engraving production process for die

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311159181.8A CN117283912A (en) 2023-09-09 2023-09-09 3D inner engraving production process for die

Publications (1)

Publication Number Publication Date
CN117283912A true CN117283912A (en) 2023-12-26

Family

ID=89256427

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311159181.8A Pending CN117283912A (en) 2023-09-09 2023-09-09 3D inner engraving production process for die

Country Status (1)

Country Link
CN (1) CN117283912A (en)

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