阅读说明：本技术 一种麻将牌的制作方法 (Method for making mahjong pieces ) 是由 雷文闯 于 2021-03-01 设计创作，主要内容包括：本发明公开一种麻将牌的制作方法,所述制作步骤如下：步骤一,将环氧树脂与环氧树脂固化剂以3:1的比例混合,然后放入搅拌机中搅拌均匀；步骤二,将溶液放入真空消泡机中,通过注胶机注入麻将牌的底层模具中,进行加热,形成本体层；步骤三,于本体层上方增设中层模具,将无色液体环氧树脂混入颜料,通过注胶机,注入到本体层上,本体层上方加入对应尺寸内托,内托中部设置有凹槽,放入固定磁块,利用麻将牌底层模具下方操作平台形成的凸起图案的上模具进行第二道高温加热,以形成有色饰层；步骤四,于中层上增设顶层模具,并注入无色环氧树脂,再度进行加热,形成具有三层结构的粗胚；步骤五,将加热并冷却凝固后的粗胚,研磨、抛光、上色点漆。(The invention discloses a method for manufacturing mahjong tiles, which comprises the following steps: step one, mixing epoxy resin and an epoxy resin curing agent in a ratio of 3:1, and then putting the mixture into a stirrer to be uniformly stirred; putting the solution into a vacuum defoaming machine, injecting the solution into a bottom layer mold of the mahjong tiles through a glue injection machine, and heating to form a body layer; adding a middle layer die above the body layer, mixing colorless liquid epoxy resin with pigment, injecting the mixture onto the body layer through a glue injection machine, adding an inner support with a corresponding size above the body layer, arranging a groove in the middle of the inner support, placing a fixed magnetic block, and performing second high-temperature heating by using an upper die of a raised pattern formed on an operation platform below a bottom die of the mahjong tile to form a colored decorative layer; adding a top layer mold on the middle layer, injecting colorless epoxy resin, and heating again to form a rough blank with a three-layer structure; and fifthly, grinding, polishing and coloring the heated and cooled solidified rough blank to form point paint.)

1. A method for manufacturing mahjong tiles, which is characterized in that,

the manufacturing steps are as follows:

step one, mixing epoxy resin and an epoxy resin curing agent in a ratio of 3:1, and then putting the mixture into a stirrer to be uniformly stirred;

step two, putting the uniformly stirred solution into a vacuum defoaming machine, then injecting the solution into a bottom layer mold of the mahjong tiles through a glue injection machine, and heating to form a body layer with patterns or characters at the bottom;

adding a middle layer mold above the body layer, mixing colorless liquid epoxy resin into pigment, stirring by a stirrer to form colored pigment, injecting the colored pigment onto the body layer by a glue injection machine, adding an inner support with a corresponding size above the body layer, arranging a groove in the middle of the inner support, placing a fixed magnetic block, performing second high-temperature heating by using an upper mold of a raised pattern formed on an operation platform below the mahjong tile bottom layer mold to form a colored decorative layer integrated with the body, arranging an inner box above the colored decorative layer, arranging colorless solution in the inner box, floating an accessory in the solution, wherein the accessory can be replaced freely;

adding a top layer mold on the middle layer, injecting colorless epoxy resin, and heating again to form a rough blank with a three-layer structure;

and fifthly, grinding and polishing the heated, cooled and solidified rough blank by a grinding machine, and then painting color spot paint by a fusion press.

2. The method for making mahjong pieces according to claim 1,

in the heating step, the heating temperature is controlled between 120 and 180.

3. The method for making mahjong pieces according to claim 2,

the heating time is 8-10 minutes, the temperature is gradually and smoothly increased from 120 ℃ to 180 ℃, the temperature is kept for 2 minutes at 180 ℃, and then the temperature is rapidly reduced to the room temperature.

4. The method for making mahjong pieces according to claim 1,

and the polishing in the fifth step comprises deburring, polishing of a fillet and carving and coloring of the mahjong pieces.

5. The method for making mahjong pieces according to claim 1,

in the colored epoxy resin in the third step, the added pigment is a mixture of a fluorescent pigment and an antioxidant.

6. The method for making mahjong pieces according to claim 1,

and adding a film-coated sand core material into the colorless epoxy resin injected into the top layer die in the fourth step for matching.

7. The method for making mahjong pieces according to claim 1,

the depth of the groove in the third step is 0.4-0.6 cm.

Technical Field

The invention relates to the technical field of mahjong tile production and manufacturing, in particular to a method for manufacturing mahjong tiles.

Background

The mahjong tiles have various manufacturing methods, and meanwhile, the following defects are summarized by researching and researching the prior art:

the traditional mode is to use stone or wooden material to carve, or adopt the mode of firing to make, however, the sculpture is higher to material own requirement and preparation gimmick requirement, and the mode of firing is unfavorable for environmental protection to the preparation efficiency is comparatively low, difficult unified preparation to mahjong pieces specification simultaneously.

In the aspect of material use, no matter urea resin, melamine resin or zinc stearate which is an additive is used, sewage waste and harmful substances are generated, and the environment is not protected.

In view of the above, the present invention is to study and conceive improvement of the manufacturing method of mahjong tiles, and the present invention is created after long-term research and development and modification.

Disclosure of Invention

In order to comprehensively solve the problems that the manufacturing methods of the mahjong tiles are various, the traditional method is to use stone or wood materials for carving or adopt a firing method for manufacturing, however, the carving has higher requirements on the materials and the manufacturing method, but the firing method is not environment-friendly, the manufacturing efficiency is lower, and the unified manufacturing of the specifications of the mahjong tiles is difficult; in the aspect of the material uses, no matter use urea resin, melamine resin or additive zinc stearate all can produce sewage waste material and harmful substance, be unfavorable for current problems such as environmental protection very much, especially to the not enough that prior art exists: the invention provides a method for manufacturing mahjong tiles.

In order to achieve the purpose, the invention adopts the following technical means:

a method for manufacturing mahjong tiles, which comprises the following steps,

the manufacturing steps are as follows:

step one, mixing epoxy resin and an epoxy resin curing agent in a ratio of 3:1, and then putting the mixture into a stirrer to be uniformly stirred;

step two, putting the uniformly stirred solution into a vacuum defoaming machine, then injecting the solution into a bottom layer mold of the mahjong tiles through a glue injection machine, and heating to form a body layer with patterns or characters at the bottom;

adding a middle layer mold above the body layer, mixing colorless liquid epoxy resin into pigment, stirring by a stirrer to form colored pigment, injecting the colored pigment onto the body layer by a glue injection machine, adding an inner support with a corresponding size above the body layer, arranging a groove in the middle of the inner support, placing a fixed magnetic block, performing second high-temperature heating by using an upper mold of a raised pattern formed on an operation platform below the mahjong tile bottom layer mold to form a colored decorative layer integrated with the body, arranging an inner box above the colored decorative layer, arranging colorless solution in the inner box, floating an accessory in the solution, wherein the accessory can be replaced freely;

step four, injecting colorless epoxy resin into the top layer die additionally arranged on the middle layer, and heating again to form a rough blank with a three-layer structure;

and fifthly, grinding and polishing the heated, cooled and solidified rough blank by a grinding machine, and then painting color spot paint by a fusion press.

As a further illustration, the following description is,

in the heating step, the heating temperature is controlled between 120 and 180.

As a further illustration, the following description is,

the heating time is 8-10 minutes, the temperature is gradually and smoothly increased from 120 ℃ to 180 ℃, the temperature is kept for 2 minutes at 180 ℃, and then the temperature is rapidly reduced to the room temperature.

As a further illustration, the following description is,

and the polishing in the fifth step comprises deburring, polishing of a fillet and carving and coloring of the mahjong pieces.

As a further illustration, the following description is,

in the colored epoxy resin in the third step, the added colored pigment is a mixture of a fluorescent pigment and an antioxidant.

As a further illustration, the following description is,

and adding a film-coated sand core material into the colorless epoxy resin injected into the top layer die in the fourth step for matching.

As further illustration, the depth of the groove in the third step is 0.4-0.6 cm.

The invention has the beneficial effects that:

the mahjong tiles are convenient for unified and large-scale production, and various indexes are convenient to control, so that the mahjong tiles are neat in specification, attractive and easy to use;

the mahjong tile production process is simple, the production efficiency is greatly improved, the environment-friendly material with low cost is adopted, the pollution to the environment and the generation of harmful substances in the mahjong tile production process can be effectively controlled, and the mahjong tiles produced simultaneously are firm and durable, have high cost performance, high playability, strong wear resistance and good hand feeling.

Drawings

FIG. 1 is a schematic view of the process flow of the method for making mahjong pieces.

FIG. 2 is a schematic view of the layered structure of the mahjong tiles manufactured by the method;

FIG. 3 is a schematic diagram of the detailed structure of the main body layer of the mahjong tile.

Wherein, 1 is the body layer, 2 is the middle level, 3 is colored decorative layer, 4 is the top layer, 5 is interior box, 6 is interior support, 7 is the magnet piece.

Detailed Description

The technical solutions of the present invention will be described clearly and completely below, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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 illustrated orientations or positional relationships, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific 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 specific cases to those skilled in the art.

In the embodiment of the method, the first step,

a method for manufacturing mahjong tiles, which comprises the following steps,

the manufacturing steps are as follows:

step one, mixing epoxy resin and an epoxy resin curing agent in a ratio of 3:1, and then putting the mixture into a stirrer to be uniformly stirred;

step two, putting the uniformly stirred solution into a vacuum defoaming machine, then injecting the solution into a bottom layer mold of the mahjong tiles through a glue injection machine, and heating for 8 minutes at 120 ℃, so as to form a body layer 1 with patterns or characters at the bottom;

adding a middle layer mold 2 above the body layer 1, mixing colorless liquid epoxy resin into pigment, stirring by a stirrer to form colored pigment, injecting the colored pigment onto the body layer through a glue injection machine, adding an inner support 6 with a corresponding size above the body layer, arranging a groove in the middle of the inner support 6, wherein the depth of the groove is 0.4-0.6cm, placing a fixed magnetic block 7, performing second high-temperature heating by using an upper mold of a raised pattern formed on an operation platform below a bottom mold of the mahjong tile to form a colored decorative layer 3 on the assembly and body, arranging an inner box 5 above the colored decorative layer, arranging colorless solution inside the upper box, floating accessories in the solution, wherein the accessories can be replaced at will, the heating time is 8 minutes, and the temperature is 120 ℃ to form the colored decorative layer on the assembly and body;

adding a top layer mold 4 on the middle layer, injecting a mixture of the film-coated sand core and the colorless epoxy resin into the top layer mold, heating again for 10 minutes, gradually and stably increasing the temperature from 120 ℃ to 180 ℃, keeping the temperature at 180 ℃ for 2 minutes, and then quickly reducing the temperature to room temperature to form a rough blank with a three-layer structure;

and fifthly, carrying out flash removal, fillet polishing and carving coloring treatment on the heated, cooled and solidified rough blank by a polisher, and then carrying out color painting by a fusion press.

The mahjong tiles are convenient for unified and large-scale production, and various indexes are convenient to control, so that the mahjong tiles are neat in specification, attractive and easy to use;

the mahjong tile production process is simple, the production efficiency is greatly improved, the environment-friendly material with low cost is adopted, the pollution to the environment and the generation of harmful substances in the mahjong tile production process can be effectively controlled, and the mahjong tiles produced simultaneously are firm and durable, have high cost performance, high playability, strong wear resistance and good hand feeling.

The present invention is illustrated by way of example and not by way of limitation. It will be apparent to those skilled in the art that other variations and modifications may be made in the foregoing disclosure without departing from the spirit or essential characteristics of all embodiments, and that all changes and modifications apparent from the above teachings are within the scope of the invention.