Injection molding processing method of integrated ceramic knife
A technology of injection molding and ceramic knives, applied in coating and other directions, can solve problems such as increasing production and processing costs, breaking ceramic blades, and loosening ceramic blades, and achieves the effect of reducing production and processing costs, eliminating gaps, and avoiding waste.
Active Publication Date: 2018-05-15
TIANJIN AODENA TECH
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Problems solved by technology
At present, there are many types of ceramic knives on the market. The connection between the ceramic blade and the plastic handle of the ceramic knife is usually to install the ceramic blade on the handle. Then use glue to glue the ceramic blade shank and the handle firmly. This method will easily lead to loosening of the ceramic blade after a long time of use; there are also ceramic blades and plastic handles that are integrated into the mold through injection molding. Yes, but because the ceramic blade is thin and the part where the ceramic blade inserts into the plastic handle is relatively narrow, when this integrated ceramic knife is injected into the injection mold at one time, it is easy to cause the injection mold to break the ceramic blade, resulting in unnecessary waste, increasing production and processing costs
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[0020] Such as figure 1 , figure 2 and image 3 As shown, an injection molding processing method of an integrated ceramic knife, the ceramic knife includes an integrally formed ceramic blade 1 and a plastic handle 2, and the ceramic blade includes an integrally formed blade insert for inserting into the plastic handle Part 11; the injection molding processing method of the integrated ceramic knife includes the following steps:
[0021] a. Processing and manufacturing a metal sheet 3, the metal sheet includes a metal sheet insertion portion 31 whose shape matches the blade insertion portion;
[0022] b. At a certain temperature, integrally inject molding the metal sheet insertion part of the metal sheet and the plastic handle;
[0023] c. At a certain temperature, pull out the metal sheet from the plastic handle so that the insertion part of the metal sheet axially forms an insertion hole 21 at one end of the plastic handle;
[0024] d. Inserting the blade inserting portio...
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The invention discloses an injection molding machining method for an integrated ceramic knife. Compared with integrated injection molding of a ceramic blade and a plastic handle in the prior art, the injection molding machining method provided by the invention comprises the following steps: subjecting the plastic handle and sheet metal with a shape matching with the shape of the blade insertion part of the ceramic blade to integrated injection molding; pulling the sheet metal out from the plastic handle at a certain temperature and then inserting the ceramic blade into the plastic handle; and carrying out cooling molding in a liquid coolant so as to obtain the integrated ceramic knife. According to the invention, the ceramic knife product prepared by using the method can maintain the advantages of an integrated injection molding ceramic knife, i.e., thoroughly eliminate a gap at the joint of the ceramic blade and the plastic handle, eradicate hidden dirt, prevent propagation of bacteria and further optimize antibacterial effects of a ceramic cutting tool; moreover, the phenomenon that an injection mould strands the ceramic blade in the process of injection molding machining is prevented, unnecessary waste is avoided, and production and processing cost is reduced.
Description
technical field [0001] The invention relates to a processing method of a ceramic knife, in particular to an injection molding processing method of an integrated ceramic knife. Background technique [0002] Ceramic knives have the advantages of wear resistance, high density, high hardness, no capillary pores, no dirt, non-metallic casting will not rust, no metal smell residue when cutting food, thin and sharp, easy to hold and cut, easy to clean, etc. , has many characteristics that metal knives cannot replace. With the reduction of the production cost of ceramic knives, ceramic knives are rapidly entering people's daily life. At present, there are many types of ceramic knives on the market. The connection between the ceramic blade and the plastic handle of the ceramic knife is usually to install the ceramic blade on the handle. Then use glue to glue the ceramic blade shank and the handle firmly. This method will easily lead to loosening of the ceramic blade after a long ti...
Claims
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IPC IPC(8): B29C45/14
CPCB29C45/0053B29C45/14336
Inventor 萧文昌
Owner TIANJIN AODENA TECH