A truck nut corrosion and rust prevention treatment process

Abstract

The application discloses a truck nut corrosion-resistant and rust-proof treatment process, and specifically comprises the following steps: step one, material selection: selecting stainless steel, aluminum alloy, copper alloy, zinc alloy and titanium alloy according to proportion; step two, nut processing: processing the materials in step one into nuts, and ensuring that the threaded part of the nut is smooth and even without unevenness; step three, surface treatment: performing surface treatment on the processed nut to increase the corrosion resistance and rust resistance of the nut; in the application, the nut is produced by using various materials with corrosion resistance and rust resistance, so that the nut is not affected by corrosion and rust during use; meanwhile, the corrosion resistance and rust resistance of the nut can be further improved through surface treatment, corrosion-resistant and rust-proof treatment and drying treatment of the nut; the sealing packaging mode adopted in the process can protect the nut from being damaged during transportation and storage, and improve the use effect of the nut.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of nut processing, and particularly relates to a truck nut corrosion-resistant and rust-proof treatment process. BACKGROUND

[0002] During the use of a truck, nuts are affected by corrosion and rust due to long-term exposure to the air, which can cause the nuts to loosen and damage, thereby affecting the use efficiency of the vehicle and possibly causing safety risks. Therefore, how to improve the corrosion resistance and rust resistance of nuts has been a problem in the truck manufacturing and maintenance field

[0003] In the prior art, some manufacturers use electroplating, spraying and other treatment methods to improve the corrosion resistance and rust resistance of nuts, but these treatment methods have problems such as high cost and low production efficiency. In addition, some manufacturers use stainless steel and other materials to make nuts, but these methods can only improve the corrosion resistance and rust resistance of nuts to a certain extent and cannot completely solve the problem of nut corrosion and rust. SUMMARY

[0004] The purpose of the present application is to provide a truck nut corrosion-resistant and rust-proof treatment process to solve the problem that the existing nut surface treatment methods cannot completely solve the corrosion and rust problem.

[0005] To achieve the above purpose, the present application provides the following technical solution: a truck nut corrosion-resistant and rust-proof treatment process, specifically comprising the following steps:

[0006] Step 1: Material selection: select stainless steel, aluminum alloy, copper alloy, zinc alloy and titanium alloy according to the proportion;

[0007] Step 2: Nut processing: process the materials in step 1 into nuts and ensure that the threaded part of the nut is smooth and flat without unevenness;

[0008] Step 3: Surface treatment: surface treatment of the processed nuts to increase the corrosion resistance and rust resistance of the nuts;

[0009] Step 4: Corrosion-resistant and rust-proof treatment: put the treated nuts into modified polyurethane paint for treatment;

[0010] Step 5: Drying: dry the treated nuts to remove water and chemicals in the treatment liquid;

[0011] Step 6: Packaging: package the dried nuts to protect the nuts from damage during transportation and storage.

[0012] As a preferred technical solution of the present invention, the ratio of stainless steel, aluminum alloy, copper alloy, zinc alloy, and titanium alloy in step one is 50:30:15:3:2; wherein the stainless steel is 304 stainless steel or 316 stainless steel, the aluminum alloy includes AlMgCu alloy and AlZnMg alloy; the copper alloy includes CuMn alloy and CuZn alloy; the zinc alloy includes ZnAl alloy and ZnMg alloy; and the titanium alloy includes TiAl alloy and TiCu alloy.

[0013] As a preferred technical solution of the present invention, the surface treatment step in step three is as follows:

[0014] S1. Cleaning: Immerse the nut in a cleaning solution, which may contain hydrochloric acid, nitric acid, or sulfuric acid. The cleaning temperature is 50–80°C and the cleaning time is 5–10 minutes.

[0015] S2. Neutralization: Place the cleaned nuts into a neutralization solution, which contains sodium hydroxide and potassium hydroxide. The neutralization temperature is 60-90℃ and the time is 3-5 minutes.

[0016] S3. Surface oxidation: The neutralized nut is placed in an oxidizing solution for surface oxidation. The oxidizing solution is made of sulfuric acid or nitric acid. The oxidation temperature is 40-60℃ and the time is 1-3 hours.

[0017] S4. Water rinsing: Soak the oxidized nuts in clean water at a temperature of 40-60℃ for 10-30 minutes. Then dry the rinsed nuts at a temperature of 60-90℃ for 1-3 hours.

[0018] As a preferred technical solution of the present invention, the concentrations of hydrochloric acid, nitric acid, and sulfuric acid in S1 are 5-10%, while the concentrations of sodium hydroxide and potassium hydroxide in S2 are 5-8%, and the concentrations of sulfuric acid and nitric acid in S3 are 2-7%.

[0019] As a preferred technical solution of the present invention, the modified polyurethane paint material and its components in step four are as follows:

[0020] 100g of polyurethane prepolymer;

[0021] 20g of iron oxide;

[0022] 50g of talcum powder;

[0023] 300ml of dimethyl ether;

[0024] 100ml of methyl ethyl ketone;

[0025] 200ml of distilled water.

[0026] As a preferred technical solution of the present invention, the modified polyurethane paint is prepared as follows:

[0027] 1) Place the polyurethane prepolymer in a clean container, add distilled water, stir until fully dissolved, and obtain substance A;

[0028] 2) Put iron oxide and talc into another container, add distilled water, stir well to obtain substance B, and mix substance A with substance B to obtain substance C;

[0029] 3) Mix dimethyl ether and methyl ethyl ketone, add an appropriate amount of distilled water, stir well to obtain substance D, mix substance D with substance C to obtain substance E;

[0030] 4) Let substance E mature to allow it to react fully.

[0031] As a preferred technical solution of the present invention, in steps 1), 2), and 3), the stirring speed is 100-200 r / min.

[0032] As a preferred technical solution of the present invention, in step 4), the reaction time is 24-26 hours.

[0033] Compared with the prior art, the beneficial effects of the present invention are:

[0034] In this invention, a variety of materials with corrosion resistance and rust prevention properties are used to produce the nuts, which can ensure that the nuts are not affected by corrosion and rust during use. At the same time, by performing surface treatment, corrosion and rust prevention treatment and drying treatment on the nuts, the corrosion resistance and rust prevention of the nuts can be further improved, and their service life can be extended. In addition, the sealed packaging method used in this process can protect the nuts from damage during transportation and storage, and improve the performance of the nuts. Attached Figure Description

[0035] Figure 1 This is a schematic diagram of the steps of the present invention. Detailed Implementation

[0036] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0037] Example 1

[0038] Please see Figure 1This invention provides a technical solution: a corrosion-resistant and rust-proof treatment process for truck nuts, specifically including the following steps:

[0039] Step 1: Material Selection: Select stainless steel, aluminum alloy, copper alloy, zinc alloy, and titanium alloy according to the specified proportions;

[0040] Step 2: Nut processing: Process the material from Step 1 into a nut, ensuring that the threaded part of the nut is smooth and flat, without any unevenness or bumps;

[0041] Step 3: Surface treatment: Perform surface treatment on the machined nuts to increase their corrosion resistance and rust prevention;

[0042] Step 4: Corrosion and rust prevention treatment: Immerse the treated nuts in modified polyurethane paint for further treatment;

[0043] Step 5: Drying: Dry the treated nuts to remove moisture and chemicals from the treatment solution;

[0044] Step Six: Packaging: Pack the dried nuts to protect them from damage during transportation and storage.

[0045] In this embodiment, the ratio of stainless steel, aluminum alloy, copper alloy, zinc alloy, and titanium alloy in step one is 50:30:15:3:2; wherein the stainless steel is 304 stainless steel or 316 stainless steel, the aluminum alloy includes AlMgCu alloy and AlZnMg alloy; the copper alloy includes CuMn alloy and CuZn alloy; the zinc alloy includes ZnAl alloy and ZnMg alloy; and the titanium alloy includes TiAl alloy and TiCu alloy.

[0046] In this embodiment, the surface treatment steps in step three are as follows:

[0047] S1. Cleaning: Immerse the nut in a cleaning solution containing hydrochloric acid, nitric acid, and sulfuric acid. The cleaning temperature is 50°C and the time is 5 minutes.

[0048] S2, Neutralization: Place the cleaned nuts into a neutralization solution containing sodium hydroxide and potassium hydroxide. The neutralization temperature is 60℃ and the time is 3 minutes.

[0049] S3. Surface oxidation: The neutralized nut is placed in an oxidizing solution for surface oxidation. The oxidizing solution is made of sulfuric acid and nitric acid. The oxidation temperature is 40℃ and the time is 1 hour.

[0050] S4. Water rinsing: Soak the oxidized nuts in clean water at a temperature of 40°C for 10 minutes. Then dry the rinsed nuts at a temperature of 60°C for 1 hour.

[0051] In this embodiment, the concentrations of hydrochloric acid, nitric acid, and sulfuric acid in S1 are 5%, while the concentrations of sodium hydroxide and potassium hydroxide in S2 are 5%, and the concentrations of sulfuric acid and nitric acid in S3 are 2%.

[0052] In this embodiment, the modified polyurethane paint material and its components in step four are as follows:

[0053] 100g of polyurethane prepolymer;

[0054] 20g of iron oxide;

[0055] 50g of talcum powder;

[0056] 300ml of dimethyl ether;

[0057] 100ml of methyl ethyl ketone;

[0058] 200ml of distilled water.

[0059] In this embodiment, the modified polyurethane paint is prepared as follows:

[0060] 1) Place the polyurethane prepolymer in a clean container, add distilled water, stir until fully dissolved, and obtain substance A;

[0061] 2) Put iron oxide and talc into another container, add distilled water, stir well to obtain substance B, and mix substance A with substance B to obtain substance C;

[0062] 3) Mix dimethyl ether and methyl ethyl ketone, add an appropriate amount of distilled water, stir well to obtain substance D, mix substance D with substance C to obtain substance E;

[0063] 4) Let substance E mature to allow it to react fully.

[0064] In this embodiment, the stirring speed in steps 1), 2), and 3) is 100 r / min.

[0065] In this embodiment, the reaction time in step 4) is 24 hours.

[0066] Example 2

[0067] The difference from that in Embodiment 1 is that the surface treatment step in step three of this embodiment is as follows:

[0068] S1. Cleaning: Immerse the nut in a cleaning solution containing hydrochloric acid, nitric acid, and sulfuric acid. The cleaning temperature is 80℃ and the time is 10 minutes.

[0069] S2, Neutralization: Place the cleaned nuts into a neutralization solution containing sodium hydroxide and potassium hydroxide. The neutralization temperature is 90℃ and the time is 5 minutes.

[0070] S3. Surface oxidation: The neutralized nut is placed in an oxidizing solution for surface oxidation. The oxidizing solution is made of sulfuric acid and nitric acid. The oxidation temperature is 60℃ and the time is 3 hours.

[0071] S4. Water rinsing: Soak the oxidized nuts in clean water at a temperature of 60°C for 30 minutes. Then dry the rinsed nuts at a temperature of 90°C for 3 hours.

[0072] In this embodiment, the concentrations of hydrochloric acid, nitric acid, and sulfuric acid in S1 are 10%, while the concentrations of sodium hydroxide and potassium hydroxide in S2 are 8%, and the concentrations of sulfuric acid and nitric acid in S3 are 7%.

[0073] In this embodiment, the modified polyurethane paint material and its components in step four are as follows:

[0074] 100g of polyurethane prepolymer;

[0075] 20g of iron oxide;

[0076] 50g of talcum powder;

[0077] 300ml of dimethyl ether;

[0078] 100ml of methyl ethyl ketone;

[0079] 200ml of distilled water.

[0080] In this embodiment, the modified polyurethane paint is prepared as follows:

[0081] 1) Place the polyurethane prepolymer in a clean container, add distilled water, stir until fully dissolved, and obtain substance A;

[0082] 2) Put iron oxide and talc into another container, add distilled water, stir well to obtain substance B, and mix substance A with substance B to obtain substance C;

[0083] 3) Mix dimethyl ether and methyl ethyl ketone, add an appropriate amount of distilled water, stir well to obtain substance D, mix substance D with substance C to obtain substance E;

[0084] 4) Let substance E mature to allow it to react fully.

[0085] In this embodiment, the stirring speed in steps 1), 2), and 3) is 200 r / min.

[0086] In this embodiment, the reaction time in step 4) is 26 hours.

[0087] Example 3

[0088] The difference from the above embodiments is that, in this embodiment, the surface treatment step in step three is as follows:

[0089] S1. Cleaning: Immerse the nut in a cleaning solution containing hydrochloric acid, nitric acid, and sulfuric acid. The cleaning temperature is 70℃ and the time is 8 minutes.

[0090] S2, Neutralization: Place the cleaned nuts into a neutralization solution containing sodium hydroxide and potassium hydroxide. The neutralization temperature is 70°C and the time is 4 minutes.

[0091] S3. Surface oxidation: The neutralized nut is placed in an oxidation solution for surface oxidation. The oxidation solution is made of sulfuric acid and nitric acid. The oxidation temperature is 50℃ and the time is 2 hours.

[0092] S4. Water rinsing: Soak the oxidized nuts in clean water at a temperature of 50°C for 20 minutes. Then dry the rinsed nuts at a temperature of 70°C for 2 hours.

[0093] In this embodiment, the concentrations of hydrochloric acid, nitric acid, and sulfuric acid in S1 are 8%, while the concentrations of sodium hydroxide and potassium hydroxide in S2 are 7%, and the concentrations of sulfuric acid and nitric acid in S3 are 5%.

[0094] In this embodiment, the modified polyurethane paint material and its components in step four are as follows:

[0095] 100g of polyurethane prepolymer;

[0096] 20g of iron oxide;

[0097] 50g of talcum powder;

[0098] 300ml of dimethyl ether;

[0099] 100ml of methyl ethyl ketone;

[0100] 200ml of distilled water.

[0101] In this embodiment, the modified polyurethane paint is prepared as follows:

[0102] 1) Place the polyurethane prepolymer in a clean container, add distilled water, stir until fully dissolved, and obtain substance A;

[0103] 2) Put iron oxide and talc into another container, add distilled water, stir well to obtain substance B, and mix substance A with substance B to obtain substance C;

[0104] 3) Mix dimethyl ether and methyl ethyl ketone, add an appropriate amount of distilled water, stir well to obtain substance D, mix substance D with substance C to obtain substance E;

[0105] 4) Let substance E mature to allow it to react fully.

[0106] In this embodiment, the stirring speed in steps 1), 2), and 3) is 150 r / min.

[0107] In this embodiment, the reaction time in step 4) is 25 hours.

[0108] Although embodiments of the invention have been shown and described (see the detailed description above), it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A corrosion-resistant and rust-proof treatment process for truck nuts, characterized in that: Specifically, the steps include the following: Step 1: Material Selection: Select stainless steel, aluminum alloy, copper alloy, zinc alloy, and titanium alloy according to the specified proportions; Step 2: Nut processing: Process the material from Step 1 into a nut, ensuring that the threaded part of the nut is smooth and flat, without any unevenness or bumps; Step 3: Surface treatment: Perform surface treatment on the machined nuts to increase their corrosion resistance and rust prevention; Step 4: Corrosion and rust prevention treatment: Immerse the treated nuts in modified polyurethane paint for further treatment; Step 5: Drying: Dry the treated nuts to remove moisture and chemicals from the treatment solution; Step Six: Packaging: Pack the dried nuts to protect them from damage during transportation and storage; In step one, the ratio of stainless steel, aluminum alloy, copper alloy, zinc alloy, and titanium alloy is 50:30:15:3:2; wherein the stainless steel is 304 stainless steel or 316 stainless steel, the aluminum alloy includes AlMgCu alloy and AlZnMg alloy; the copper alloy includes CuMn alloy and CuZn alloy; the zinc alloy includes ZnAl alloy and ZnMg alloy; and the titanium alloy includes TiAl alloy and TiCu alloy. The modified polyurethane paint material and its components in step four are as follows: 100g of polyurethane prepolymer; 20g of iron oxide; 50g of talcum powder; 300ml of dimethyl ether; 100ml of methyl ethyl ketone; 200ml of distilled water; The modified polyurethane paint is prepared as follows: 1) Place the polyurethane prepolymer in a clean container, add distilled water, stir until fully dissolved, and obtain substance A; 2) Put iron oxide and talc into another container, add distilled water, stir well to obtain substance B, and mix substance A with substance B to obtain substance C; 3) Mix dimethyl ether and methyl ethyl ketone, add an appropriate amount of distilled water, stir well to obtain substance D, mix substance D with substance C to obtain substance E; 4) Let substance E mature to allow it to react fully.

2. The corrosion-resistant and rust-proofing treatment process for truck nuts according to claim 1, characterized in that: The surface treatment steps in step three are as follows: S1. Cleaning: Immerse the nut in a cleaning solution, which may contain hydrochloric acid, nitric acid, or sulfuric acid. The cleaning temperature is 50–80°C and the cleaning time is 5–10 minutes. S2. Neutralization: Place the cleaned nuts into a neutralization solution, which contains sodium hydroxide and potassium hydroxide. The neutralization temperature is 60-90℃ and the time is 3-5 minutes. S3. Surface oxidation: The neutralized nut is placed in an oxidizing solution for surface oxidation. The oxidizing solution is made of sulfuric acid or nitric acid. The oxidation temperature is 40-60℃ and the time is 1-3 hours. S4. Water rinsing: Soak the oxidized nuts in clean water at a temperature of 40-60℃ for 10-30 minutes. Then dry the rinsed nuts at a temperature of 60-90℃ for 1-3 hours.

3. The corrosion-resistant and rust-proofing treatment process for truck nuts according to claim 2, characterized in that: The concentrations of hydrochloric acid, nitric acid, and sulfuric acid in S1 are 5-10%, while the concentrations of sodium hydroxide and potassium hydroxide in S2 are 5-8%, and the concentrations of sulfuric acid and nitric acid in S3 are 2-7%.

4. The corrosion-resistant and rust-proofing treatment process for truck nuts according to claim 1, characterized in that: In steps 1), 2), and 3), the stirring speed is 100–200 r / min.

5. The corrosion-resistant and rust-proofing treatment process for truck nuts according to claim 1, characterized in that: In step 4), the reaction time is 24 to 26 hours.

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