CN113951529B - Food mold with microstructure, manufacturing method of food mold and food manufacturing method - Google Patents

Food mold with microstructure, manufacturing method of food mold and food manufacturing method Download PDF

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Publication number
CN113951529B
CN113951529B CN202111282103.8A CN202111282103A CN113951529B CN 113951529 B CN113951529 B CN 113951529B CN 202111282103 A CN202111282103 A CN 202111282103A CN 113951529 B CN113951529 B CN 113951529B
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China
Prior art keywords
microstructure
food
pmma
mold
text information
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CN202111282103.8A
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Chinese (zh)
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CN113951529A (en
Inventor
储飞翔
吴明
高顺利
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Suzhou Impression Technology Co ltd
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Suzhou Image Laser Technology Co ltd
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Publication of CN113951529A publication Critical patent/CN113951529A/en
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    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23P—SHAPING OR WORKING OF FOODSTUFFS, NOT FULLY COVERED BY A SINGLE OTHER SUBCLASS
    • A23P30/00—Shaping or working of foodstuffs characterised by the process or apparatus
    • A23P30/10—Moulding
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23G—COCOA; COCOA PRODUCTS, e.g. CHOCOLATE; SUBSTITUTES FOR COCOA OR COCOA PRODUCTS; CONFECTIONERY; CHEWING GUM; ICE-CREAM; PREPARATION THEREOF
    • A23G1/00—Cocoa; Cocoa products, e.g. chocolate; Substitutes therefor
    • A23G1/04—Apparatus specially adapted for manufacture or treatment of cocoa or cocoa products
    • A23G1/20—Apparatus for moulding, cutting, or dispensing chocolate
    • A23G1/201—Apparatus not covered by groups A23G1/21 - A23G1/28
    • A23G1/205—Apparatus in which the material is shaped at least partially in a mould, in the hollows of a surface, a drum, an endless band or by drop-by-drop casting or dispensing of the material on a surface, e.g. injection moulding, transfer moulding
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23G—COCOA; COCOA PRODUCTS, e.g. CHOCOLATE; SUBSTITUTES FOR COCOA OR COCOA PRODUCTS; CONFECTIONERY; CHEWING GUM; ICE-CREAM; PREPARATION THEREOF
    • A23G3/00—Sweetmeats; Confectionery; Marzipan; Coated or filled products
    • A23G3/02—Apparatus specially adapted for manufacture or treatment of sweetmeats or confectionery; Accessories therefor
    • A23G3/0236—Shaping of liquid, paste, powder; Manufacture of moulded articles, e.g. modelling, moulding, calendering
    • A23G3/0252—Apparatus in which the material is shaped at least partially in a mould, in the hollows of a surface, a drum, an endless band, or by a drop-by-drop casting or dispensing of the material on a surface, e.g. injection moulding, transfer moulding
    • A23G3/0268—Moulds
    • A23G3/0273—Moulds of plastic or elastomeric material, or plastic or elastomer coated moulds
    • 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
    • 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
    • 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
    • B29C39/38—Heating or cooling
    • 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
    • B29C39/44—Measuring, controlling or regulating
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
    • G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
    • G03F7/20—Exposure; Apparatus therefor

Abstract

The invention provides a food mold with a microstructure, a manufacturing method of the food mold and a food manufacturing method, and relates to the technical field of food processing molds. A food mold having a microstructure comprising: a mould base and a PMMA mould; the PMMA mould is arranged at the upper part of the mould base, and the PMMA mould is a mould with microstructure reverse graphic and text information on the upper surface. The technical problem that in the prior art, due to the limitation of a forming die, the surface of food can only be provided with the color and simple pictures and texts of the food, so that the appearance effect of the food is poor is solved. According to the invention, the micro-nano structure is manufactured on the food through the PMMA die, so that a micro structure can be formed on the surface of the food, and the surface of the food can show block effects such as images, characters, symbols and lines, dynamic effects such as rotation, zooming and running, and color effects.

Description

Food mold with microstructure, manufacturing method of food mold and food manufacturing method
Technical Field
The invention relates to the technical field of food processing molds, in particular to a food mold with a microstructure, a manufacturing method of the food mold and a food manufacturing method.
Background
At present, most of food single-item styles on the market are formed by die casting or injection molding, and in order to improve the appearance effect of food, some simple graphic and text information can be made on the surface of the food.
In the prior art, the forming mold for processing food is mainly completed by mechanical processing, for example: an automatic processing machine tool. When small pictures and texts on the surface of food are made on a forming die, the surface of the food is limited by the size of a cutter of equipment, only the color and simple pictures and texts of food substances can be made on the surface of the food, and the made picture and text information is rough, so that the surface of the food is single in style and poor in decoration and appreciation.
Disclosure of Invention
The invention aims to provide a food mold with a microstructure, and aims to solve the technical problem that in the prior art, the surface of food is limited by a forming mold, and only the color and simple pictures and texts of the food can be made on the surface of the food, so that the appearance effect of the food is poor.
The invention provides a food mold with a microstructure, which comprises: a mould base and a PMMA mould;
the PMMA mould is arranged at the upper part of the mould base, and the upper surface of the PMMA mould is provided with microstructure reverse graphic and text information.
The invention also provides a manufacturing method of the food mold with the microstructure, which comprises the following steps:
(1) mold for designing microstructure image-text information
The image-text information is any one of characters, numbers, graphs, points, lines and LOGO;
(2) primary mold with microstructure reverse image-text information manufactured by using mechanical equipment
The machine equipment comprises a dot-matrix photoetching machine, a DMD photoetching machine, a direct-writing photoetching machine and a multi-axis high-precision processing machine tool;
(3) combined forming die for manufacturing forward image-text information with microstructure
a. Firstly, carrying out mould turnover manufacturing on a primary mould with microstructure reverse graphic and text information, and copying the microstructure reverse graphic and text information to an object borne by the microstructure reverse graphic and text information: copying the mold;
b. then splicing, inlaying and bending the turnover mold with the microstructure forward image-text information to form a combined forming mold; setting the microstructure image-text information on the combined forming mold in a forward direction;
(4) PMMA mold with microstructure reverse image-text information
a. Firstly, cleaning the surface of a combined forming mold with microstructure forward graphic and text information;
b. then mixing the molten PMMA material in proportion and fully stirring;
c. vacuumizing and defoaming the stirred PMMA melted material, pouring the defoamed PMMA melted material into a combined forming mold with microstructure forward graphic and text information, and enabling the PMMA melted material to be 5-20 mm higher than the edge of the combined forming mold;
curing of PMMA Material
Flatly placing the combined forming die on a workbench, standing the PMMA melted material for 48-72 hours, and waiting for full solidification of the PMMA melted material;
e.PMMA moulding
After the PMMA molten material is fully cured, a PMMA mould with microstructure reverse graphic and text information is formed at the upper part of the combined forming mould;
and then separating the PMMA mould to obtain the PMMA mould with microstructure reverse graphic and text information.
Further, in the step (1), the graphic information can define the color of each character, number, graph, point, line and LOGO;
the teletext information can also define the dynamic or static effect of each text, number, graphic, point, line, LOGO.
Further, in the step (2), the primary mold processing raw material of the photoetching machine is a photoetching offset plate, and the processing raw material of the multi-shaft high-precision processing machine tool is any one of nickel-chromium alloy, copper and aluminum.
Further, in the step (2), the microstructure of the microstructure area includes a microlens, a cylindrical mirror, a fresnel lens, a CD pattern, a wiredrawing pattern, a rainbow lens, and a modulated rainbow grating.
Further, in the step (2), the height of the microstructure stripe of the microstructure area is between 20 micrometers and 100 nanometers;
the fringe frequency of the microstructure areas is between 2 pairs and 3000 pairs per millimeter, and the frequency can be fixed or variable.
Further, in the step (3), the material of the combined forming die is any one of PC, PET and food grade metal material;
the shape of the combined forming die is square, or round, or special-shaped, or custom-made.
The invention also provides a food manufacturing method of the food mold with the microstructure, which comprises the following steps:
(1) mold for designing microstructure image-text information
The graphic and text information is any one of characters, numbers, figures, points, lines and LOGO;
(2) primary mold with microstructure reverse graphic and text information manufactured by using mechanical equipment
The machine equipment comprises a dot-matrix photoetching machine, a DMD photoetching machine, a direct-writing photoetching machine and a multi-axis high-precision processing machine tool;
(3) combined forming die for manufacturing forward image-text information with microstructure
a. Firstly, carrying out mould turnover manufacturing on a primary mould with microstructure reverse graphic and text information, and copying the microstructure reverse graphic and text information to an object borne by the microstructure reverse graphic and text information: copying the mold;
b. then splicing, inlaying and bending the turnover mold with the microstructure forward graphic and text information to form a combined forming mold; setting the microstructure image-text information on the combined forming mold in a forward direction;
(4) PMMA mold with microstructure reverse image-text information
a. Firstly, cleaning the surface of a combined forming mold with microstructure forward graphic and text information;
b. then mixing the molten PMMA material in proportion and fully stirring;
c. vacuumizing and defoaming the stirred PMMA melted material, pouring the defoamed PMMA melted material into a combined forming mold with microstructure forward graphic and text information, and enabling the PMMA melted material to be 5-20 mm higher than the edge of the combined forming mold;
curing of PMMA Material
Flatly placing the combined forming die on a workbench, standing the PMMA melted material for 48-72 hours, and waiting for full curing of the PMMA melted material;
e.PMMA moulding
After the PMMA molten material is fully cured, a PMMA mould with microstructure reverse graphic and text information is formed at the upper part of the combined forming mould;
then separating the PMMA mould to obtain the PMMA mould with microstructure reverse graphic and text information;
(5) food raw material hot melting
Carrying out hot melting on the food raw materials to ensure that the melting degree of the food raw materials meets the requirements of production and processing;
the food raw material is a material which has high density, can be melted and can be solidified;
(6) pouring and curing food raw materials
The PMMA mould is arranged at the upper part of the mould base, then hot-melt food raw materials meeting the production requirements are poured or pressed into the PMMA mould, the hot-melt food raw materials are stood and cooled, and the standing time ranges from 1 hour to 2 hours, so that the hot-melt food raw materials meet the requirement of full curing in the PMMA mould;
(7) food shaping
And separating the solidified food finished product, forming microstructure pictures and texts opposite to the PMMA mould on the surface of the food finished product, and forming forward pictures and texts with microstructures on the surface of the food finished product to obtain the food finished product with the microstructure forward pictures and texts.
Further, in the step (4), the PMMA mould is a food grade mould;
the PMMA mould is made of food-grade silica gel or food-grade stainless steel.
Further, in the step (6), the hot-melt food material is any one of chocolate, sugar, and fat.
According to the food mold with the microstructure, the PMMA mold is arranged at the upper part of the mold base, and the position of the PMMA mold is fixed; and the PMMA mould is a mould with microstructure reverse graphic and text information on the upper surface. According to the invention, the micro-nano structure is directly manufactured on the surface of the food through the PMMA mould, so that microstructure pictures and texts can be formed on the surface of the food, the surface of the food can show block effects such as images, characters, symbols and lines, dynamic effects such as rotation, scaling and running, and color effects, and more tiny information can be hidden in the food, so that the food has more abundant information and decorative effects; and the microstructure generating the pictures and texts is also a substance of the food, no new added substance is generated, and the prepared food is safe, reliable and creative. The problem of among the prior art, the surface of food is restricted by forming die, and the surface of food can only make the colour and simple picture and text of food itself, causes the outward appearance effect of food poor is effectively solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic view of a food mold having microstructures provided in accordance with an embodiment of the present invention;
FIG. 2 is a schematic diagram of a combined forming mold fabricated on a primary mold according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a PMMA mold fabricated on a composite forming mold according to an embodiment of the present invention;
FIG. 4 is a schematic view of a food product made on a PMMA mold as provided by an embodiment of the present invention;
FIG. 5 is a flow chart of a method for making a food mold having microstructures according to an embodiment of the present invention;
fig. 6 is a flow chart of a food manufacturing method of the food mold with a microstructure according to an embodiment of the present invention.
An icon:
100-primary generation of a mold; 200-combining a forming die; 300-PMMA mold;
400-a mold base; 500-hot-melt food material.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.
As shown in fig. 1, the present invention provides a food mold with a microstructure, comprising: a mold base 400 and a PMMA mold 300;
the PMMA mold 300 is disposed at an upper portion of the mold base 400 and is fixed using a plurality of bolts. The PMMA mold 300 is a mold having microstructure reverse graphic information on an upper surface, and when food is manufactured, the microstructure forward graphic information is directly manufactured on the surface of the food.
In this embodiment, the PMMA (polymethyl methacrylate, hereinafter referred to as polymethyl methacrylate) material has low density, high mechanical strength, low melting point, and high light transmittance, and the mold made of the PMMA material is an environment-friendly material for making food. The micro-nano structure image-texts are directly manufactured on the surface of the food through the PMMA die, so that the micro-structure image-texts are formed on the surface of the food, the surface of the food can present block effects such as images, characters, symbols and lines, dynamic effects such as rotation, zooming and running, and color effects, and more tiny information can be hidden in the micro-structure image-texts, so that the surface of the food can present more abundant information and decorative effects; and the microstructure generating the pictures and texts on the surface of the food also adopts the substances of the food, so that no newly added substances are generated, the food is safer and more reliable to prepare, the preparation process is creative, and the decorative effect of the surface of the food is good.
As shown in fig. 5, the present invention further provides a method for making a food mold with a microstructure, comprising the following steps:
(1) mold for designing microstructure image-text information
The image-text information is any one of characters, numbers, graphs, points, lines and LOGO;
further, in the step (1), the graphic information can define the color of each character, number, graph, point, line and LOGO;
the teletext information can also define the dynamic or static effect of each text, number, graphic, point, line, LOGO.
(2) Primary mold with microstructure reverse image-text information manufactured by using mechanical equipment
The machine equipment comprises a dot-matrix photoetching machine, a DMD photoetching machine, a direct-writing photoetching machine and a multi-axis high-precision processing machine tool;
further, in the step (2), the primary mold processing material of the lithography machine is a lithography offset plate, specifically: and coating a layer of photosensitive glue on the glass substrate. The processing raw materials of the multi-shaft high-precision processing machine tool are metal materials, such as: nickel-chromium alloy, copper, aluminum.
The microstructure of the microstructure area comprises a micro lens, a cylindrical mirror, a Fresnel lens, a CD (compact disc) pattern, a wire drawing pattern, a rainbow lens and a modulation rainbow grating.
The height of the microstructure stripe of the microstructure area is between 20 micrometers and 100 nanometers;
the frequency of the fringes of the microstructure area is between 2 pairs and 3000 pairs per millimeter, and the frequency can be fixed or variable.
(3) Combined forming die for manufacturing forward graphic and text information with microstructure
a. As shown in fig. 2, the primary mold 100 with the microstructure reverse graphic and text information is first overmolded, and the microstructure reverse graphic and text information is copied to the object carried by the mold, that is: copying the mold;
b. then splicing, inlaying and bending the turnover mold with the microstructure forward graphic and text information to form a combined forming mold 200; the microstructure graphics context information on the combined forming mold 200 is set in the forward direction;
further, in the step (3), the material of the combined forming mold 200 is any one of PC, PET, and food grade metal material;
the shape of the composite molding die 200 is square, or circular, or irregular, or custom-made.
In the present embodiment, the shape of the composite molding die 200 is set to be square.
(4) PMMA mold with microstructure reverse image-text information
a. As shown in fig. 3, the surface of the combined forming mold 200 with the microstructure forward graphic information is cleaned;
b. then mixing the molten PMMA material in proportion and fully stirring;
c. vacuumizing and defoaming the stirred PMMA melted material, pouring the defoamed PMMA melted material into a combined forming mold 200 with microstructure forward graphic and text information, wherein the height of the PMMA melted material is 5-20 mm higher than the edge of the combined forming mold 200;
curing of PMMA Material
Flatly placing the combined forming die 200 on a workbench, standing the PMMA melted material for 48-72 hours, and waiting for the PMMA melted material to be fully cured;
e.PMMA moulding
After the PMMA melted material is fully cured, a PMMA mould 300 with microstructure reverse graphic and text information is formed at the upper part of the combined forming mould 200;
and then separating the PMMA mold 300 to obtain the PMMA mold 300 with microstructure reverse graphic and text information.
According to the manufacturing method of the food mold with the microstructure, the surface of the mold presents block effects such as images, characters, symbols and lines, dynamic effects such as rotation, zooming and running, strong color effects, matte effects, fresnel lens effects and the like through the microstructure, and more tiny information can be hidden in the mold. The surface of the food made by the mould has richer information and decorative effect; and the microstructure generating the pictures and texts is also a substance of the food, does not generate any newly added substance, and is a safe and reliable microstructure-made food mold.
The application is the innovative grafting that microstructure and food combine together, and the microstructure has obtained extensive application in the real life, all uses on all kinds of imitative pseudo-bills, certificate, paper currency, the packaging material, and the picture and text that uses the microstructure preparation is meticulous, and the colour is abundant, and the produced picture and text all is the effect that the microstructure produced.
The microstructure is one of the main physical imitation means in the market at present, and is used as a first-line effective weapon for striking counterfeiters, so that the brand and the profit of manufacturers are protected, and in addition, a personalized mold can be manufactured by the technology to meet the personalized requirements of different crowds.
As shown in fig. 6, the present invention further provides a method for making a food product with a microstructure food product mold, comprising the following steps:
(1) mold for designing microstructure graphic information
The graphic and text information is any one of characters, numbers, figures, points, lines and LOGO;
the image-text information can define the color of each character, number, graph, point, line and LOGO;
the graphic and text information can also define the dynamic or static effect of each character, number, graph, point, line and LOGO;
(2) primary mold with microstructure reverse image-text information manufactured by using mechanical equipment
The machine equipment comprises a dot-matrix photoetching machine, a DMD photoetching machine, a direct-writing photoetching machine and a multi-axis high-precision processing machine tool;
the bearing object of the primary mold is a photoetching offset plate, and the bearing object is made of any one of nickel-chromium alloy, copper and aluminum.
The microstructure of the microstructure area comprises a micro lens, a cylindrical mirror, a Fresnel lens, a CD pattern, a wiredrawing pattern, a rainbow lens and a modulation rainbow grating.
The height of the microstructure stripe of the microstructure area is between 20 micrometers and 100 nanometers;
the frequency of the fringes of the microstructure area is between 2 pairs and 3000 pairs per millimeter, and the frequency can be fixed or variable.
(3) Combined forming die for manufacturing forward image-text information with microstructure
a. As shown in fig. 2, the primary mold 100 with the microstructure reverse graphic and text information is first overmolded, and the microstructure reverse graphic and text information is copied to the object carried by the mold, that is: copying the mould;
b. then splicing, inlaying and bending the turnover mold with the microstructure forward graphic and text information to form a combined forming mold 200; the microstructure graphics context information on the combined forming mold 200 is set in the forward direction;
the material of the combined forming die 200 is any one of PC, PET and food-grade metal material;
the shape of the composite molding die 200 is square, or circular, or irregular, or custom-made.
In the present embodiment, the shape of the composite molding die 200 is set to be square.
(4) PMMA mold with microstructure reverse image-text information
a. As shown in fig. 3, the surface of the combined forming mold 200 with the microstructure forward graphic information is cleaned;
b. then mixing the molten PMMA material in proportion and fully stirring;
c. vacuumizing and defoaming the stirred PMMA melted material, pouring the defoamed PMMA melted material into a combined forming mold 200 with microstructure forward graphic and text information, wherein the height of the PMMA melted material is 5-20 mm higher than the edge of the combined forming mold 200;
PMMA material curing
Flatly placing the combined forming die 200 on a workbench, standing the PMMA melted material for 48-72 hours, and waiting for the PMMA melted material to be fully cured;
e.PMMA moulding
After the PMMA melted material is fully cured, a PMMA mould 300 with microstructure reverse graphic and text information is formed at the upper part of the combined forming mould 200;
then separating the PMMA mould 300 to obtain the PMMA mould 300 with microstructure reverse graphic and text information;
further, in the step (4), the PMMA mould 300 is a food grade mould;
the PMMA mold 300 is made of food grade silica gel or food grade stainless steel.
(5) Food raw material hot melting
Carrying out hot melting on the food raw materials to ensure that the melting degree of the food raw materials meets the requirements of production and processing;
the food raw material is a material which has high density, can be melted and can be solidified;
(6) pouring and curing food raw materials
As shown in fig. 1, the PMMA mold 300 is installed on the upper portion of the mold base 400, as shown in fig. 4, then the hot-melt food raw material 500 meeting the production requirement is poured or pressed into the PMMA mold 300, and the hot-melt food raw material 500 is cooled by standing for a time ranging from 1 hour to 2 hours, so that the hot-melt food raw material 500 meets the requirement of full curing in the PMMA mold 300;
further, in the step (6), the hot-melt food material 500 is any one of chocolate, sugar, and fat. In practical use, the hot-melt food raw material 500 can also be used for making an egg tart such as a cheese egg tart and a cookie egg tart, or making various cakes and cakes.
(7) Food shaping
And separating the cured food finished product, forming microstructure graphics and texts opposite to the PMMA mould 300 on the surface of the food finished product, and forming forward graphics and texts with a microstructure on the surface of the food finished product to obtain the food finished product with the microstructure forward graphics and texts.
According to the food manufacturing method of the food mold with the microstructure, the food mold is manufactured through a laser interference and precision machining method, the microstructure is carved on the surface of the mold, the carved and patterned lines are in a micron or nanometer level, the height range of the stripes is between 20 microns and 100 nanometers, fine image-text control and color change are achieved, and different depths and line densities are controlled; through refraction or diffraction of light, dynamic effects such as rotation, scaling, running and embossment and color image-text effects are formed, the physical property and taste of food are not influenced by the food cast or injection molded by using the mold, and the food has more colorful patterns and surface effects and is more novel and artistic.
The microstructure food mold is manufactured by the laser interference and precision machining method, and microstructure chromogenic pictures and texts are left on the surface of food when the food is manufactured. The food made by the micro-structure mold has strong visual effect on the surface, and can display various pictures and texts in a micro-structure mode, so that the pictures and texts on the surface of the food have dynamic color effects such as rotation, scaling, running, embossment and the like; the effect is based on the material of the food, is not formed by other added substances, is not added or destroyed, does not affect the taste, and is safe and reliable from the viewpoint of food safety. As a new display form, the food with the microstructure graphics has wide market prospect, and indicates that the food industry increases value innovation when manufacturers and manufacturers search for new methods.
The surface of the microstructure mould generates graphic and text information such as changeable colors, the surface of the food is also provided with a microstructure by manufacturing the food, the microstructure is a physical structure, the characteristics of any food and material are not changed, and the food is more graded in appearance and safety. The food mold made of the microstructure also has an anti-counterfeiting function, so that anti-counterfeiting information can be displayed on each piece of food made of the microstructure mold, and the reliability of food safety is greatly improved.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (8)

1. A method of making a food mold having a microstructure, the food mold having the microstructure comprising: a mold base (400) and a PMMA mold (300); the PMMA mould (300) is arranged at the upper part of the mould base (400), and the PMMA mould (300) is a mould with microstructure reverse image-text information on the upper surface;
the method comprises the following steps:
(1) mold for designing microstructure image-text information
The image-text information is any one of characters, numbers, figures, points, lines and LOGO;
in the step (1), the graphic and text information can define the color of each character, number, graph, point, line and LOGO;
the graphic and text information can also define the dynamic or static effect of each character, number, graph, point, line and LOGO;
(2) primary mold with microstructure reverse image-text information manufactured by using mechanical equipment
The machine equipment comprises a dot-matrix photoetching machine, a DMD photoetching machine, a direct-writing photoetching machine and a multi-axis high-precision processing machine tool;
(3) combined forming die for manufacturing forward image-text information with microstructure
a. Firstly, the primary mold (100) with the microstructure reverse graphic and text information is subjected to mold turnover manufacturing, and the microstructure reverse graphic and text information is copied to an object borne by the mold, namely: copying the mould;
b. then splicing, inlaying and bending the turnover mold with the microstructure forward image-text information to form a combined forming mold (200); the microstructure graphic information on the combined forming die (200) is arranged in the forward direction;
(4) PMMA mould with microstructure reverse graphic and text information
a. Firstly, cleaning the surface of a combined forming die (200) with microstructure forward graphic and text information;
b. then mixing the molten PMMA material in proportion and fully stirring;
c. vacuumizing and defoaming the stirred PMMA melted material, pouring the defoamed PMMA melted material into a combined forming mold (200) with microstructure forward graphic and text information, wherein the height of the PMMA melted material is 5-20 mm higher than the edge of the combined forming mold (200);
curing of PMMA Material
Flatly placing the combined forming die (200) on a workbench, standing the PMMA melt material for 48-72 hours, and waiting for the PMMA melt material to be fully cured;
e.PMMA moulding
After the PMMA molten material is fully cured, a PMMA mould (300) with microstructure reverse graphic and text information is formed at the upper part of the combined forming mould (200);
and then separating the PMMA mould (300) to obtain the PMMA mould (300) with microstructure reverse graphic and text information.
2. The method for manufacturing a food mold with a microstructure according to claim 1, wherein in the step (2), the primary mold processing material of the lithography machine is a lithography offset plate, and the processing material of the multi-axis high-precision processing machine is any one of nichrome, copper and aluminum.
3. The method for making a food mold with a microstructure according to claim 2, wherein in the step (2), the microstructure of the microstructure area comprises micro-lenses, cylindrical lenses, fresnel lenses, CD patterns, wire drawing patterns, rainbow lenses, and modulated rainbow gratings.
4. The method for making a food mold with a microstructure according to claim 3, wherein in the step (2), the microstructure stripe height of the microstructure area is between 20 micrometers and 100 nanometers;
the stripe frequency of the microstructure area is between 2 pairs and 3000 pairs per millimeter, and the frequency can be fixed or variable.
5. The method for manufacturing a food mold with a microstructure according to claim 4, wherein in the step (3), the material of the combined forming mold (200) is any one of PC, PET and food grade metal material;
the combined forming die (200) is square, or round, or special-shaped, or custom-made.
6. A method of making a food product using the microstructured food product mold of claim 1, comprising the steps of:
(1) mold for designing microstructure graphic information
The image-text information is any one of characters, numbers, figures, points, lines and LOGO;
(2) primary mold with microstructure reverse graphic and text information manufactured by using mechanical equipment
The machine equipment comprises a dot-matrix photoetching machine, a DMD photoetching machine, a direct-writing photoetching machine and a multi-axis high-precision processing machine tool;
(3) combined forming die for manufacturing forward image-text information with microstructure
a. Firstly, the primary mold (100) with the microstructure reverse graphic and text information is subjected to mold turnover manufacturing, and the microstructure reverse graphic and text information is copied to an object borne by the mold, namely: copying the mold;
b. then splicing, inlaying and bending the turnover mould with the microstructure forward graphic and text information to form a combined forming mould (200); the microstructure graphic information on the combined forming die (200) is arranged in the forward direction;
(4) PMMA mold with microstructure reverse image-text information
a. Firstly, cleaning the surface of a combined forming die (200) with microstructure forward graphic and text information;
b. then mixing the molten PMMA material in proportion and fully stirring;
c. vacuumizing and defoaming the stirred PMMA melted material, pouring the defoamed PMMA melted material into a combined forming mold (200) with microstructure forward graphic and text information, wherein the height of the PMMA melted material is 5-20 mm higher than the edge of the combined forming mold (200);
PMMA material curing
Flatly placing the combined forming die (200) on a workbench, standing the PMMA melt material for 48-72 hours, and waiting for the PMMA melt material to be fully cured;
e.PMMA moulding
After the PMMA molten material is fully cured, a PMMA mould (300) with microstructure reverse graphic and text information is formed at the upper part of the combined forming mould (200);
then separating the PMMA mould (300) to obtain the PMMA mould (300) with microstructure reverse graphic and text information;
(5) food raw material hot melting
Carrying out hot melting on the food raw materials to ensure that the melting degree of the food raw materials meets the requirements of production and processing;
the food raw material is a material which has high density, can be melted and can be solidified;
(6) pouring and curing food raw materials
The PMMA mould (300) is arranged at the upper part of the mould base (400), then the hot-melt food raw materials (500) meeting the production requirements are poured or pressed into the PMMA mould (300), the hot-melt food raw materials (500) are cooled in a standing way, the standing time range is between 1 hour and 2 hours, and the hot-melt food raw materials (500) meet the requirement of full solidification in the PMMA mould (300);
(7) food shaping
And separating the solidified food finished product, forming the microstructure pattern and text opposite to the PMMA mould (300) on the surface of the food finished product, and forming the forward pattern and text with the microstructure on the surface of the food finished product to obtain the food finished product with the microstructure forward pattern and text.
7. A method of making a food product according to claim 6, wherein in step (4) the PMMA mould (300) is a food grade mould;
the PMMA mould (300) is made of food-grade silica gel or food-grade stainless steel.
8. The method of claim 7, wherein in step (6), the hot-melt foodstuff (500) is any one of chocolate, sugar, and fat.
CN202111282103.8A 2021-11-01 2021-11-01 Food mold with microstructure, manufacturing method of food mold and food manufacturing method Active CN113951529B (en)

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JP2005288933A (en) * 2004-04-01 2005-10-20 Three M Innovative Properties Co Flexible molding die and its manufacturing method
US20120126458A1 (en) * 2009-05-26 2012-05-24 King William P Casting microstructures into stiff and durable materials from a flexible and reusable mold
US20120088023A1 (en) * 2010-10-08 2012-04-12 Bmfd Holdings, Llc Method for molding chocolate from three dimensional images
FR2982127B1 (en) * 2011-11-08 2013-11-29 Applic Des Silicones Alimentaires Soc D METHOD AND DEVICE FOR MOLDING FOOD PRODUCTS WITH RELIEF FOOTPRINTS, IN PARTICULAR BAKERY, PASTRY AND BISCUITRY
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