A method of injection molding manufacturing a ceramic ice skate

Abstract

The application relates to a method for manufacturing a ceramic ice skate by injection molding. The technical scheme is as follows: high-purity ceramic raw material powder is selected and dried; then the powder, a plasticizer, a lubricant and a dispersant are put together and mixed in a pug mill to obtain uniform plastic clay; then the plastic body is injected into a mold designed according to the shrinkage rate through an injection machine, the flowability and filling capacity of the body in the mold are controlled by controlling the injection pressure and temperature, so that a ceramic ice skate with required shape and size is obtained; the injected ice skate is taken out after the mold is opened and is fired in a furnace; after firing is completed and the ice skate is cooled to room temperature, the defects are removed, and the ceramic ice skate is completed. The application has the advantages that the manufacturing efficiency and quality of the ceramic ice skate can be effectively improved, the product quality is stable, the product has good wear resistance, hardness and thermal conductivity, and less waste is generated in the manufacturing process, which is beneficial to environmental protection.

Description

Technical Field

[0001] This invention belongs to the field of ceramic ice skate injection molding manufacturing, and relates to a method for manufacturing ceramic ice skates by injection molding. Background Technology

[0002] Ice skates are a common piece of equipment for winter sports. Traditional ice skates are made of metal, while ceramic ice skates have advantages such as high hardness, high wear resistance, and good thermal conductivity. However, the existing ceramic ice skate manufacturing methods on the market suffer from problems such as low production efficiency and unstable product quality. Therefore, a new manufacturing method is needed to improve this situation.

[0003] Therefore, the present invention provides a method for manufacturing ceramic ice skates by injection molding, thereby solving the above problems. Summary of the Invention

[0004] In view of the problems existing in the prior art, the present invention discloses a method for manufacturing ceramic ice skates by injection molding, the technical solution of which includes the following steps:

[0005] Step 1: Prepare raw materials. Select high-purity ceramic raw materials, grind them into fine powder, and dry them.

[0006] Step 2: Plastic mixing. The above fine powder, plasticizer, lubricant and dispersant are put together and mixed in a clay mixer to obtain a uniform clay with good plastic deformation ability.

[0007] Step 3: Injection. The above-mentioned plastic preform is injected into a mold designed according to the shrinkage rate through an injection molding machine. By controlling the injection pressure and injection temperature, the fluidity and filling capacity of the preform in the mold are controlled, so as to obtain a ceramic ice knife with the required shape and size.

[0008] Step 4: Firing. After the ice blades are injected and removed from the mold, they are fired in the furnace.

[0009] Step 5: Cooling. After firing is complete and cooling to room temperature, remove any imperfections to finish the ceramic ice knife.

[0010] As a preferred embodiment of the present invention, in step one, the ceramic raw material mainly uses silicon nitride with a purity of greater than or equal to 80%.

[0011] In a preferred embodiment of the present invention, in step one, the fine powder is pulverized and then filtered using a sieve with a mesh size of 200-350.

[0012] In a preferred embodiment of the present invention, in step three, the mold includes a cavity, a gate, a vent, and an ejection mechanism. The cavity is used to shape and size the ceramic ice skate, the gate is used to inject the plastic ceramic raw material into the cavity, the vent is used to discharge the gas in the cavity, and the ejection mechanism is used to eject the cooled ceramic ice skate from the cavity.

[0013] In a preferred embodiment of the present invention, in step three, the injection temperature is controlled between 1000-1500°C.

[0014] In a preferred embodiment of the present invention, in step three, the injection pressure is controlled between 100-200 MPa.

[0015] In a preferred embodiment of the present invention, in step four, the firing temperature is controlled between 1000-1500°C.

[0016] As a preferred embodiment of the present invention, in steps one to five, high-purity ceramic raw materials are used and precise control is exercised over steps such as injection, cooling and mold opening, thereby improving the hardness, wear resistance and thermal conductivity of the ceramic ice skates.

[0017] The beneficial effects of this invention are: the method can effectively improve the manufacturing efficiency and quality of ceramic ice skates, enabling large-scale production; the product quality is stable, with good wear resistance, hardness, and thermal conductivity; and the manufacturing process generates less waste, which is beneficial to environmental protection. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall process of the present invention. Detailed Implementation

[0019] Example 1

[0020] like Figure 1 As shown, the method for manufacturing ceramic ice skates by injection molding according to the present invention includes the following steps:

[0021] Step 1: Prepare raw materials. Select ceramic raw materials with a purity of 80% or higher, grind them into fine powder, filter them through a 200-mesh sieve, and then dry them.

[0022] Step 2: Plastic mixing. The above fine powder, plasticizer, lubricant and dispersant are put together and mixed in a clay mixer to obtain a uniform clay with good plastic deformation ability.

[0023] Step 3: Injection. The above-mentioned plastic preform is injected into a mold designed according to the shrinkage rate using an injection molding machine. The injection temperature is controlled between 1000-1100℃ and the injection pressure is controlled between 100-120MPa. The flowability and filling capacity of the preform in the mold are controlled. The mold includes a cavity, a gate, a vent, and an ejection mechanism. The cavity is used to form the shape and size of the ceramic ice knife. The gate is used to inject the molten ceramic raw material into the cavity. The vent is used to discharge the gas in the cavity. The ejection mechanism is used to eject the cooled ceramic ice knife from the cavity. By controlling the injection pressure and injection temperature, the flowability and filling capacity of the ceramic raw material in the mold are controlled, thereby obtaining a ceramic ice knife with the required shape and size.

[0024] Step 4: The firing temperature is controlled between 1000-1200℃. After the ice blades are injected, they are removed from the mold and fired in the furnace.

[0025] Step 5: Cooling. After firing is complete and cooling to room temperature, remove any imperfections to finish the ceramic ice knife.

[0026] In steps one through five, high-purity ceramic raw materials are used and the melting, injection, cooling and mold opening processes are precisely controlled to improve the hardness, wear resistance and thermal conductivity of ceramic ice skates.

[0027] Example 2

[0028] like Figure 1 As shown, the method for manufacturing ceramic ice skates by injection molding according to the present invention includes the following steps:

[0029] Step 1: Prepare raw materials. Select ceramic raw materials with a purity of 80% or higher, grind them into fine powder, filter them through a 300-mesh sieve, and then dry them.

[0030] Step 2: Plastic mixing. The above fine powder, plasticizer, lubricant and dispersant are put together and mixed in a clay mixer to obtain a uniform clay with good plastic deformation ability.

[0031] Step 3: Injection. The above-mentioned plastic preform is injected into a mold designed according to the shrinkage rate using an injection molding machine. The injection temperature is controlled between 1200-1300℃ and the injection pressure is controlled between 150-180MPa to control the flowability and filling capacity of the preform in the mold. The mold includes a cavity, a gate, a vent, and an ejection mechanism. The cavity is used to form the shape and size of the ceramic ice knife. The gate is used to inject the molten ceramic raw material into the cavity. The vent is used to discharge the gas in the cavity. The ejection mechanism is used to eject the cooled ceramic ice knife from the cavity. By controlling the injection pressure and injection temperature, the flowability and filling capacity of the ceramic raw material in the mold are controlled, thereby obtaining a ceramic ice knife with the required shape and size.

[0032] Step 4: The firing temperature is controlled between 1200-1300℃. After the ice blades are injected, they are removed from the mold and fired in the furnace.

[0033] Step 5: Cooling. After firing is complete and cooling to room temperature, remove any imperfections to finish the ceramic ice knife.

[0034] In steps one through five, high-purity ceramic raw materials are used and the melting, injection, cooling and mold opening processes are precisely controlled to improve the hardness, wear resistance and thermal conductivity of ceramic ice skates.

[0035] Example 3

[0036] like Figure 1 As shown, the method for manufacturing ceramic ice skates by injection molding according to the present invention includes the following steps:

[0037] Step 1: Prepare raw materials. Select ceramic raw materials with a purity of 80% or higher, grind them into fine powder, filter them through a 350-mesh sieve, and then dry them.

[0038] Step 2: Plastic mixing. The above fine powder, plasticizer, lubricant and dispersant are put together and mixed in a clay mixer to obtain a uniform clay with good plastic deformation ability.

[0039] Step 3: Injection. The above-mentioned plastic preform is injected into a mold designed according to the shrinkage rate using an injection molding machine. The injection temperature is controlled between 1300-1500℃ and the injection pressure is controlled between 180-200MPa to control the flowability and filling capacity of the preform in the mold. The mold includes a cavity, a gate, a vent, and an ejection mechanism. The cavity is used to form the shape and size of the ceramic ice knife. The gate is used to inject the molten ceramic raw material into the cavity. The vent is used to discharge the gas in the cavity. The ejection mechanism is used to eject the cooled ceramic ice knife from the cavity. By controlling the injection pressure and injection temperature, the flowability and filling capacity of the ceramic raw material in the mold are controlled, thereby obtaining a ceramic ice knife with the required shape and size.

[0040] Step 4: The firing temperature is controlled between 1300-1500℃. After the ice blades are injected, they are removed from the mold and fired in the furnace.

[0041] Step 5: Cooling. After firing is complete and cooling to room temperature, remove any imperfections to finish the ceramic ice knife.

[0042] In steps one through five, high-purity ceramic raw materials are used and the melting, injection, cooling and mold opening processes are precisely controlled to improve the hardness, wear resistance and thermal conductivity of ceramic ice skates.

[0043] Electrical connection methods or structures not described in detail in this article are existing technologies.

[0044] While the specific embodiments of the present invention have been described in detail above, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present invention, and modifications or variations without creative effort are still within the protection scope of the present invention.

Claims

1. A method for manufacturing ceramic ice skates by injection molding, characterized in that: Includes the following steps: Step 1: Prepare raw materials. Select high-purity ceramic raw materials, which are one of alumina, silicate, or zircon, with a purity of ≥80%. Grind them into fine powder and dry them. Step 2: Plastic mixing. The above fine powder, plasticizer, lubricant and dispersant are put together and mixed in a clay mixer to obtain a uniform clay with good plastic deformation ability. Step 3: Injection. The above-mentioned plastic preform is injected into a mold designed according to the shrinkage rate using an injection molding machine. The mold includes a cavity, a gate, a vent, and an ejection mechanism. The cavity is used to form the shape and size of the ceramic ice knife. The gate is used to inject the molten ceramic raw material into the cavity. The vent is used to expel the gas in the cavity. The ejection mechanism is used to eject the cooled ceramic ice knife from the cavity. By controlling the injection pressure and injection temperature, the injection temperature is controlled between 1000-1500℃ and the injection pressure is controlled between 100-200MPa, the fluidity and filling capacity of the preform in the mold are controlled, thereby obtaining a ceramic ice knife with the required shape and size. Step 4: Firing. After the ice blades are injected and removed from the mold, they are fired in a furnace. The firing temperature is controlled between 1000-1500℃. Step 5: Cooling. After firing is complete and cooling to room temperature, remove any imperfections to finish the ceramic ice knife.

2. The method for manufacturing ceramic ice skates by injection molding according to claim 1, characterized in that: In step one, the fine powder is pulverized and then filtered using a sieve with a mesh size of 200-350.

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