Powder machined part for spectacle frame and machining method of powder machined part

Abstract

The invention relates to the technical field of powder processing, and discloses a powder processing part for a spectacle frame and a processing method thereof.The powder processing part is characterized in that one end of the powder processing part is connected with the spectacle frame, and the other end of the powder processing part is connected with spectacle legs; the powder machined part comprises a metal substrate layer, a transition layer, a fusion layer, a reinforcing layer and a protective layer, the transition layer is arranged on the metal substrate layer, the fusion layer is arranged on the transition layer, the reinforcing layer is arranged on the fusion layer, and the protective layer is arranged on the reinforcing layer. The metal substrate layer is processed by adopting an MIM (Metal Injection Molding) metal powder injection molding process; the transition layer on the metal substrate layer is deposited on the metal substrate layer by adopting a magnetron sputtering technology; the fusion layer on the transition layer is deposited on the transition layer by adopting a PVD (Physical Vapor Deposition) technology; the enhancement layer of the fusion layer is deposited on the fusion layer by adopting a CVD (Chemical Vapor Deposition) technology; and the protective layer of the enhancement layer is deposited on the enhancement layer by adopting a PECVD (plasma enhanced chemical vapor deposition) technology. The powder machined part is resistant to corrosion and wear and has very high hydrophobicity.

Description

Technical Field

[0001] The invention relates to the technical field of powder processing, and in particular to a powder processed part used on a spectacle frame and a processing method thereof. Background Art

[0002] The glasses frame is an important part of the glasses, mainly supporting the lenses. The glasses frame with beautiful appearance can also play a role in aesthetics. The materials are mainly metal, plastic or resin, natural materials, etc. According to the style, it can be divided into full frame, half frame, frameless and other types. Some processed parts are often used as decorative parts or connectors on the glasses frame, which are connected to the glasses frame to achieve their corresponding functions (such as connection or decoration, etc.). Since the glasses frame is often worn, the human body will metabolize and excrete some sweat and other substances, which are often in contact with the glasses frame and processed parts. After a long time, the processed parts will be corroded, affecting the use effect of the processed parts; in addition, the wear resistance of the processed parts is not good. After a long time, the processed parts are very likely to be damaged, which will also affect the use effect of the processed parts.

[0003] Therefore, in view of the above problems, the existing processing technology of powder processed parts needs to be further improved. Summary of the invention

[0004] The purpose of the present invention is to overcome the problems of powder processed parts' lack of corrosion resistance and wear resistance in processing technology; through the rational design of powder processed parts processing technology, the use of metal base layer, transition layer, fusion layer, reinforcement layer and protective layer, combined with corresponding processing technology, the powder processed parts can be made corrosion-resistant and wear-resistant, and have high hydrophobicity, etc.

[0005] The technical solution of the present invention is as follows:

[0006] A powder processed part used on a spectacle frame, wherein one end of the powder processed part is connected to the spectacle frame, and the other end of the powder processed part is connected to the spectacle leg;

[0007] The powder processed part comprises: a metal base layer, a transition layer, a fusion layer, a reinforcement layer and a protective layer, wherein the metal base layer is provided with a transition layer, the transition layer is provided with a fusion layer, the fusion layer is provided with the reinforcement layer, and the reinforcement layer is provided with the protective layer;

[0008] Wherein, the metal base layer is processed by MIM metal powder injection molding process;

[0009] Wherein, the transition layer on the metal base layer is deposited on the metal base layer by using magnetron sputtering technology;

[0010] Wherein, the fusion layer on the transition layer is deposited on the transition layer by using PVD technology;

[0011] Wherein, the enhancement layer on the fusion layer is deposited on the fusion layer by using CVD technology;

[0012] Wherein, the protective layer on the reinforcement layer is deposited on the reinforcement layer by using PECVD technology.

[0013] Furthermore, the metal base layer is a metal base layer made of stainless steel.

[0014] Furthermore, the metal base layer is a metal base layer made of 304 stainless steel or a metal base layer made of 316 stainless steel.

[0015] Furthermore, the transition layer is made of metallic chromium.

[0016] Furthermore, the fusion layer is a fusion layer made of chromium silicon nitride or a fusion layer made of titanium aluminum chromium nitride.

[0017] Furthermore, the reinforcement layer is a diamond material reinforcement layer or a graphene material reinforcement layer.

[0018] Furthermore, the protective layer is made of silicone material.

[0019] Furthermore, the fusion layer on the transition layer is deposited on the transition layer by using magnetron sputtering technology.

[0020] Furthermore, the reinforcing layer on the fusion layer is deposited on the fusion layer using a hot wire chemical vapor deposition technique.

[0021] Furthermore, the transition layer is selected to have a thickness of 1 μm-3 μm.

[0022] Furthermore, a method for processing a powder processed part for a spectacle frame is provided, wherein the processing steps are as follows:

[0023] Step 1: Preparation of metal substrate

[0024] Water-atomized stainless steel powder, polystyrene and palm oil are selected. The polystyrene and palm oil here are used as binders in the MIM metal powder injection molding process. According to the weight of the binder, 55-65 parts of polystyrene and 35-45 parts of palm oil are selected. First, polystyrene is added into the stirrer, and then heated to 190°C and kept at a constant temperature for 15 minutes. Then, the water-atomized stainless steel powder is slowly and evenly added into the polystyrene, and stirred evenly while adding. After the water-atomized stainless steel powder is added and fully mixed with the polystyrene After that, palm oil is slowly added thereto, and the mixture is fully stirred and mixed for 1 hour, and then the mixture is cooled and granulated by a granulator. The granulated base material is used to produce a metal base blank of a powder processed part by an injection molding machine with a powder processed part, and then the metal base blank is placed on a grinder to repair its burrs. After the repair is completed, the metal base blank is placed in a degreasing agent for degreasing treatment, and then the degreasing agent is evaporated, and then the metal base blank is sintered. After the sintering is completed, acetone, ethanol and deionized water are used for ultrasonic cleaning in sequence to finally prepare a metal base;

[0025] Step 2: Grinding the metal base

[0026] Select the metal substrate in step 1, put it into a roller mill for coarse roller milling and fine roller milling, and after the roller milling is completed, clean it to prepare a smooth metal substrate;

[0027] Step 3: Deposition of transition layer

[0028] Select the smooth metal substrate of step 2, put it into a magnetron sputtering machine equipped with a chromium target, and deposit a chromium layer on the smooth metal substrate by magnetron sputtering technology to prepare a metal substrate of the transition layer;

[0029] Step 4: Deposition of the fusion layer

[0030] Select the metal substrate of the transition layer in step 3, put it into a magnetron sputtering machine equipped with a chromium target and a silicon target, fill it with an appropriate amount of nitrogen, and deposit a chromium silicon nitride layer on the chromium layer by magnetron sputtering technology to prepare a metal substrate of the fusion layer;

[0031] Step 5: Deposition of the enhancement layer

[0032] Select the metal substrate of the fusion layer in step 4, put it into a suspension consisting of acetone and diamond powder, and soak it for 1 hour. After the soaking is completed, put it into a hot wire chemical vapor deposition device, use acetone as a carbon source, and introduce an appropriate amount of hydrogen to deposit a diamond film layer on the metal substrate of the fusion layer by hot wire chemical vapor deposition technology to prepare a metal substrate of the reinforcement layer;

[0033] Step 6: Deposition of protective layer

[0034] The metal substrate of the reinforcement layer in step five is selected and placed in a PECVD device. Then, hexamethyldisiloxane and oxygen are reacted by PECVD technology to deposit a layer of siloxane on the metal substrate of the reinforcement layer to prepare a final powder processed part.

[0035] Furthermore, in step five, the particle size of the diamond powder is selected to be 80nm-100nm.

[0036] Furthermore, in step six, the siloxane is selected from amorphous siloxane.

[0037] Beneficial Effects

[0038] The present invention adopts a metal base layer, a transition layer, a fusion layer, a reinforcement layer and a protective layer, and combines the corresponding processing technology to achieve corrosion resistance and wear resistance of the powder processed parts, as well as high hydrophobicity, etc. Stainless steel is used as the metal base, and then a chromium film layer, a chromium silicon nitride film layer, a diamond film layer and a siloxane film layer are used in sequence, and the corresponding processing technology is matched, so that each layer of the film can be well combined together, and the adhesion of the film can be enhanced; the use of siloxane film can achieve higher hydrophobicity and wear resistance, as well as corrosion resistance, etc., which is conducive to the durable use of the powder processed parts. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] Figure 1 The present invention is a schematic structural diagram of a powder processed part used for a spectacle frame.

[0040] Figure 2 The figure is a schematic diagram of the layer structure of a powder processed part used for a spectacle frame according to the present invention.

[0041] Figure 3 The present invention is a schematic flow chart of a method for processing a powder-processed part used on a spectacle frame.

[0042] Figure 4 This is a SEM image of a reinforcing layer of a powder processed part used on a spectacle frame according to the present invention.

[0043] Figure 5 This is a SEM image of a powder processed part used for a spectacle frame after wear according to the present invention.

[0044] Figure 6 The figure is a schematic diagram of the contact angle of a powder processed part used for a spectacle frame according to the present invention.

[0045] Figure numbers: 01, powder processed part; 02, glasses leg; 03, glasses frame; 15, metal base layer; 14, transition layer; 13, fusion layer; 12, reinforcement layer; 11, protective layer. DETAILED DESCRIPTION

[0046] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0047] See also Figure 1-Figure 3 As shown, the present invention provides a powder processed part for a spectacle frame, wherein one end of the powder processed part 01 is connected to the spectacle frame 03, and the other end of the powder processed part 01 is connected to the spectacle leg 02;

[0048] The powder processed part 01 includes: a metal base layer 15, a transition layer 14, a fusion layer 13, a reinforcement layer 12 and a protective layer 11. The metal base layer 15 is provided with a transition layer 14, the transition layer 14 is provided with a fusion layer 13, the fusion layer 13 is provided with a reinforcement layer 12, and the reinforcement layer 12 is provided with a protective layer 11; the metal base layer 15 is processed by MIM metal powder injection molding process; the transition layer 14 on the metal base layer 15 is deposited on the metal base layer 15 by magnetron sputtering technology; the fusion layer 13 on the transition layer 14 is deposited on the transition layer 14 by PVD technology (specifically magnetron sputtering technology); the reinforcement layer 12 on the fusion layer 13 is deposited on the transition layer 14 by CVD technology (Specifically, hot wire chemical vapor deposition technology) the reinforcement layer 12 is deposited on the fusion layer 13; the protective layer 11 on the reinforcement layer 12 is deposited on the reinforcement layer 12 using PECVD technology; the metal base layer 15 is a metal base layer of 304 stainless steel; the transition layer 14 is a transition layer of metal chromium; the fusion layer 13 is a fusion layer of chromium silicon nitride; the reinforcement layer 12 is a reinforcement layer of diamond; the protective layer 11 is a protective layer of siloxane; the transition layer 14 is a transition layer of 2μm thickness; the protective layer 11 is a protective layer of 1μm thickness; the reinforcement layer 12 is a reinforcement layer of 800nm ​​thickness; the fusion layer is a fusion layer of 3μm thickness;

[0049] Among them, a processing method for a powder processed part on a spectacle frame, the processing method steps are as follows:

[0050] Step 1: Preparation of metal substrate

[0051] Water atomized stainless steel powder, polystyrene and palm oil are selected, where the polystyrene and palm oil are used as binders in the MIM metal powder injection molding process. According to the weight of the binder, 60 parts of polystyrene and 40 parts of palm oil are selected, the polystyrene is first added into the stirrer, and then heated to 190°C and heated at a constant temperature for 15 minutes, and then the water atomized stainless steel powder is slowly and evenly added into the polystyrene, and stirred evenly while adding, after the water atomized stainless steel powder is added and fully mixed with the polystyrene, the palm oil is slowly added thereto, and fully stirred and mixed for 1 hour, and then cooled and granulated by a granulator, the granulated base material is used to make a metal base embryo of the powder processed part by an injection molding machine with a powder processed part, and then the metal base embryo is placed on a grinder to repair its burrs, after the repair is completed, it is placed in a degreasing agent for degreasing treatment, and then the degreasing agent is evaporated, and then the metal base embryo is sintered, after the sintering is completed, acetone, ethanol and deionized water are used for ultrasonic cleaning in sequence, and finally a metal base is prepared;

[0052] Step 2: Grinding the metal base

[0053] Select the metal substrate in step 1, put it into a roller mill for coarse roller milling and fine roller milling, and after the roller milling is completed, clean it to prepare a smooth metal substrate;

[0054] Step 3: Deposition of transition layer

[0055] Select the smooth metal substrate of step 2, put it into a magnetron sputtering machine equipped with a chromium target, and deposit a chromium layer on the smooth metal substrate by magnetron sputtering technology to prepare a metal substrate of the transition layer;

[0056] Step 4: Deposition of the fusion layer

[0057] Select the metal substrate of the transition layer in step 3, put it into a magnetron sputtering machine equipped with a chromium target and a silicon target, fill it with an appropriate amount of nitrogen, and deposit a chromium silicon nitride layer on the chromium layer by magnetron sputtering technology to prepare a metal substrate of the fusion layer;

[0058] Step 5: Deposition of the enhancement layer

[0059] Select the metal substrate of the fusion layer in step 4, put it into a suspension consisting of acetone and diamond powder with a particle size of 100 nm, and soak it for 1 hour. After the soaking is completed, put it into a hot wire chemical vapor deposition device, use acetone as a carbon source, and introduce an appropriate amount of hydrogen to deposit a diamond film layer on the metal substrate of the fusion layer by hot wire chemical vapor deposition technology to prepare a metal substrate of the enhancement layer;

[0060] Step 6: Deposition of protective layer

[0061] The metal substrate of the reinforcement layer in step five is selected and placed in a PECVD device. Then, hexamethyldisiloxane and oxygen are reacted by PECVD technology to deposit a transparent film of amorphous siloxane on the metal substrate of the reinforcement layer to prepare the final powder processed part.

[0062] By testing the manufacturing process of powder processed parts and the finished products after manufacturing, we can know: Figure 4 This is the SEM image of the reinforcement layer of the powder-processed part (Figure A). It can be seen that the diamonds in the reinforcement layer are evenly distributed, dense and flat, which is conducive to the bonding of the protective layer. Figure 5 This is the SEM picture of the powder processed part after wear. Through the wear resistance test of the powder processed part, it is polished to a certain extent. The surface morphology of the powder processed part after polishing is observed through the SEM electron microscope. It can be seen that the surface wear is weak, the wear is more balanced, and there is no local block wear phenomenon. Figure 6 This is a schematic diagram of the contact angle of the powder processed part. It can be observed that it has a high hydrophobicity, and its contact angle can reach 150°, which helps the powder processed part to resist sweat when worn.

[0063] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A powder processed part for a spectacle frame, characterized in that: One end of the powder processed part is connected to the eyeglass frame, and the other end of the powder processed part is connected to the eyeglass leg; The powder processed part comprises: a metal base layer, a transition layer, a fusion layer, a reinforcement layer and a protective layer, wherein the metal base layer is provided with a transition layer, the transition layer is provided with a fusion layer, the fusion layer is provided with the reinforcement layer, and the reinforcement layer is provided with the protective layer; Wherein, the metal base layer is processed by MIM metal powder injection molding process; Wherein, the transition layer on the metal base layer is deposited on the metal base layer by using magnetron sputtering technology; Wherein, the fusion layer on the transition layer is deposited on the transition layer by using PVD technology; Wherein, the enhancement layer on the fusion layer is deposited on the fusion layer by using CVD technology; Wherein, the protective layer on the reinforcement layer is deposited on the reinforcement layer by using PECVD technology.

2. The powder processed part for eyeglass frames according to claim 1, characterized in that: The metal base layer is made of stainless steel.

3. The powder processed part for eyeglass frames according to claim 1, characterized in that: The transition layer is made of metallic chromium.

4. The powder processed part for eyeglass frames according to claim 3, characterized in that: The fusion layer is a fusion layer made of chromium silicon nitride or a fusion layer made of titanium aluminum chromium nitride.

5. The powder processed part for eyeglass frames according to claim 1, characterized in that: The reinforcement layer is a diamond reinforcement layer or a graphene reinforcement layer.

6. The powder processed part for eyeglass frames according to claim 1, characterized in that: The protective layer is made of silicone.

7. The powder processed part for eyeglass frames according to claim 1, characterized in that: The fusion layer on the transition layer is deposited on the transition layer by using magnetron sputtering technology.

8. The powder processed part for eyeglass frames according to claim 1, characterized in that: The reinforcing layer on the fusion layer is deposited on the fusion layer by using hot wire chemical vapor deposition technology.

9. The powder processed part for eyeglass frames according to claim 3, characterized in that: The transition layer has a thickness of 1 μm-3 μm.

10. A method for processing a powder-processed part for a spectacle frame, characterized in that: The processing method steps are as follows: Step 1: Preparation of metal substrate Water-atomized stainless steel powder, polystyrene and palm oil are selected. The polystyrene and palm oil here are used as binders in the MIM metal powder injection molding process. According to the weight of the binder, 55-65 parts of polystyrene and 35-45 parts of palm oil are selected. First, polystyrene is added into the stirrer, and then heated to 190°C and kept at a constant temperature for 15 minutes. Then, the water-atomized stainless steel powder is slowly and evenly added into the polystyrene, and stirred evenly while adding. After the water-atomized stainless steel powder is added and fully mixed with the polystyrene After that, palm oil is slowly added thereto, and the mixture is fully stirred and mixed for 1 hour, and then the mixture is cooled and granulated by a granulator. The granulated base material is used to produce a metal base blank of a powder processed part by an injection molding machine with a powder processed part, and then the metal base blank is placed on a grinder to repair its burrs. After the repair is completed, the metal base blank is placed in a degreasing agent for degreasing treatment, and then the degreasing agent is evaporated, and then the metal base blank is sintered. After the sintering is completed, acetone, ethanol and deionized water are used for ultrasonic cleaning in sequence to finally prepare a metal base; Step 2: Grinding the metal base Select the metal substrate in step 1, put it into a roller mill for coarse roller milling and fine roller milling, and after the roller milling is completed, clean it to prepare a smooth metal substrate; Step 3: Deposition of transition layer Select the smooth metal substrate of step 2, put it into a magnetron sputtering machine equipped with a chromium target, and deposit a chromium layer on the smooth metal substrate by magnetron sputtering technology to prepare a metal substrate of the transition layer; Step 4: Deposition of the fusion layer Select the metal substrate of the transition layer in step 3, put it into a magnetron sputtering machine equipped with a chromium target and a silicon target, fill it with an appropriate amount of nitrogen, and deposit a chromium silicon nitride layer on the chromium layer by magnetron sputtering technology to prepare a metal substrate of the fusion layer; Step 5: Deposition of the enhancement layer Select the metal substrate of the fusion layer in step 4, put it into a suspension consisting of acetone and diamond powder, and soak it for 1 hour. After the soaking is completed, put it into a hot wire chemical vapor deposition device, use acetone as a carbon source, and introduce an appropriate amount of hydrogen to deposit a diamond film layer on the metal substrate of the fusion layer by hot wire chemical vapor deposition technology to prepare a metal substrate of the reinforcement layer; Step 6: Deposition of protective layer The metal substrate of the reinforcement layer in step five is selected and placed in a PECVD device. Then, hexamethyldisiloxane and oxygen are reacted by PECVD technology to deposit a layer of siloxane on the metal substrate of the reinforcement layer to prepare a final powder processed part.

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