Nickel-plated carbon tank valve core

Abstract

The invention discloses a nickel-plated carbon tank valve element which comprises the following components: 80-90% of a metal piece; 10-15% of a rubber buffer part; 0.1%-0.5% of a special adhesive; wherein a proper amount of special tackifier is added into the rubber. According to the invention, the rubber buffer part is made of high-performance fluorosilicone rubber, and a proper amount of special reinforcing material is added. Common fluorosilicone rubber is poor in tensile property, the cycle motion service life is affected, and the tensile property is greatly improved by adding a proper amount of special reinforcing material. And the high and low temperature performance, the tensile performance, the impact fatigue resistance and the permanent deformation performance of the material are improved on the whole. The service life of circulating motion is prolonged, and noise is reduced.

Description

Technical Field

[0001] The invention relates to the technical field of automobile accessories, in particular to a nickel-plated carbon canister movable valve core. Background Art

[0002] The moving valve core is an important control component in the car. The moving valve core of the carbon canister has a great impact on the fuel consumption of the oil car. Its service life is usually consistent with the life of the car (lifetime without replacement). The moving valve core of the carbon canister is formed into one piece by combining metal parts and rubber buffer parts. The global production and supply of the moving valve core of the carbon canister is mainly monopolized by several foreign-funded enterprises.

[0003] Requirements for traditional carbon canister moving valve core: Laboratory test: Salt spray life 96 hours, cycle life 50 million times, operating noise level 3. Materials used in the manufacturing of traditional carbon canister moving valve core: Taking into account the needs of noise, life, process, cost and other aspects, the surface of the metal parts is electroplated with zinc-nickel alloy (nickel content is about 8%); the rubber buffer part is made of fluororubber. With the change of people's consumption concept, nowadays, the salt spray life is required to be 144 hours, the cycle life is 100 million times, and the operating noise is level 2. In addition, with the needs of energy-saving technology and other aspects, the cycle speed of the carbon canister moving valve core has been greatly improved, which also seriously affects the service life of the carbon canister moving valve core. It is difficult for traditional carbon canister moving valve cores to meet new requirements. Summary of the invention

[0004] The purpose of the present invention is to provide a nickel-plated carbon canister moving valve core, which has the advantages of increasing salt spray life, increasing cyclic motion life and reducing noise.

[0005] To achieve the above object, the present invention provides the following technical solution: a nickel-plated carbon canister movable valve core, comprising the following components:

[0006] Metal parts 80-90%;

[0007] Rubber buffer part 10-15%;

[0008] Special adhesive 0.1-0.5%;

[0009] Among them, an appropriate amount of special tackifier is added into the rubber.

[0010] The manufacturing process of the nickel-plated carbon canister moving valve core includes the following steps:

[0011] S1 metal parts processing:

[0012] Cleaning: Use solutions or mechanical methods to clean the surface of metal parts to remove dirt and oxides;

[0013] S2 Rubber Buffer Treatment:

[0014] Cleaning: Use a solution or mechanical method to clean the surface of the rubber buffer to remove dirt and impurities;

[0015] S3 compression processing:

[0016] The rubber buffer is soaked in warm water, and then processed and compressed under pressure to form micropores and mesopores on its surface to increase the adsorption surface area;

[0017] S4 chemical modification:

[0018] Pickling treatment: Use acid solution to pickle the surface of metal parts and rubber buffers to remove surface oxides and other impurities;

[0019] S5 activation treatment:

[0020] The metal parts and rubber buffer parts are placed in an activation solution for electrochemical or chemical activation treatment to form a uniform hydroxide film on the surface to increase the adsorption performance;

[0021] S6 Nickel Plating:

[0022] Preparation of electrolytic cell: prepare an electrolytic cell containing nickel salt, sodium hydroxide and other ions, and control parameters such as pH value, temperature, and current density;

[0023] S7 combination molding:

[0024] Bonding: Use adhesive or glue to combine nickel-plated metal parts and rubber buffer parts according to design requirements.

[0025] Preferably, in step S1, mechanical polishing or chemical polishing is used to make the metal surface smoother, and the roughness of the metal surface is adjusted by means of a brush, sandpaper, etc. to improve the adsorption performance.

[0026] Preferably, in step S6, a nickel plating operation is performed: the modified metal parts and rubber buffer parts are placed in an electrolytic cell for electrochemical deposition to deposit nickel ions on their surfaces to form a nickel plating layer.

[0027] Preferably, in step S7, heat pressing is also used: the two are firmly combined together by heating and pressure.

[0028] Compared with the prior art, the present invention has the following beneficial effects:

[0029] 1. Increasing the nickel content is beneficial to rust prevention. When the nickel content is increased to about 13%, the salt spray life is significantly improved. The salt spray test life is all higher than 144 hours.

[0030] 2. The rubber buffer part is made of high-performance fluorosilicone rubber and is equipped with an appropriate amount of special reinforcement materials. Ordinary fluorosilicone rubber has poor tensile properties, which affects the cycle life. By adding an appropriate amount of special reinforcement materials, the tensile properties are greatly improved (too high or too low a proportion will affect the comprehensive practical performance of the material). Overall, the high and low temperature properties (especially the change in low-temperature hardness), tensile properties, impact fatigue resistance, and permanent deformation properties of the material are improved. It not only improves the cycle life, but also reduces noise.

[0031] 3. The increase of nickel content is not conducive to adhesion and affects the cycle life. Adding an appropriate amount of special tackifier into the rubber can greatly improve the adhesion performance and ensure that the cycle life is not affected. (Too high a content will affect the comprehensive practical performance of the material; too low a content is not conducive to increasing the adhesion performance). DETAILED DESCRIPTION

[0032] The following will be combined with 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.

[0033] Embodiment 1

[0034] The nickel-plated carbon canister valve core includes the following components:

[0035] Metal parts 84.8%;

[0036] Rubber buffer part 15%;

[0037] Special adhesive 0.2%;

[0038] Among them, an appropriate amount of special tackifier is added into the rubber.

[0039] The manufacturing process of the nickel-plated carbon canister moving valve core includes the following steps:

[0040] S1 metal parts processing:

[0041] Cleaning: Use solutions or mechanical methods to clean the surface of metal parts to remove dirt and oxides; also use mechanical polishing or chemical polishing to make the metal surface smoother, and adjust the roughness of the metal surface through brushes, sandpaper, etc. to improve adsorption performance.

[0042] S2 Rubber Buffer Treatment:

[0043] Cleaning: Use a solution or mechanical method to clean the surface of the rubber buffer to remove dirt and impurities;

[0044] S3 compression treatment: soak the rubber buffer in warm water, then process and compress it under pressure to form micropores and mesopores on its surface to increase the adsorption surface area;

[0045] S4 chemical modification:

[0046] Pickling treatment: Use acid solution to pickle the surface of metal parts and rubber buffers to remove surface oxides and other impurities;

[0047] S5 Activation Treatment: Place the metal parts and rubber buffer parts in the activation solution for electrochemical or chemical activation treatment to form a uniform hydroxide film on the surface to increase the adsorption performance;

[0048] S6 Nickel Plating:

[0049] Preparation of electrolytic cell: prepare an electrolytic cell containing nickel salt, sodium hydroxide and other ions, and control parameters such as pH value, temperature, current density, etc.; perform nickel plating operation: place the modified metal parts and rubber buffer parts into the electrolytic cell, perform electrochemical deposition, so that nickel ions are deposited on their surface to form a nickel plating layer.

[0050] S7 combination molding:

[0051] Bonding: Use adhesives or glue to combine nickel-plated metal parts and rubber buffer parts according to design requirements, and hot pressing: use heat and pressure to firmly combine the two together.

[0052] Embodiment 2

[0053] The nickel-plated carbon canister valve core includes the following components:

[0054] Metal parts 86%;

[0055] Rubber buffer part 13.9%;

[0056] Special adhesive 0.1%;

[0057] Among them, an appropriate amount of special tackifier is added into the rubber.

[0058] The manufacturing process of the nickel-plated carbon canister moving valve core includes the following steps:

[0059] S1 metal parts processing:

[0060] Cleaning: Use solutions or mechanical methods to clean the surface of metal parts to remove dirt and oxides; also use mechanical polishing or chemical polishing to make the metal surface smoother, and adjust the roughness of the metal surface through brushes, sandpaper, etc. to improve adsorption performance.

[0061] S2 Rubber Buffer Treatment:

[0062] Cleaning: Use a solution or mechanical method to clean the surface of the rubber buffer to remove dirt and impurities;

[0063] S3 compression treatment: soak the rubber buffer in warm water, then process and compress it under pressure to form micropores and mesopores on its surface to increase the adsorption surface area;

[0064] S4 chemical modification:

[0065] Pickling treatment: Use acid solution to pickle the surface of metal parts and rubber buffers to remove surface oxides and other impurities;

[0066] S5 Activation Treatment: Place the metal parts and rubber buffer parts in the activation solution for electrochemical or chemical activation treatment to form a uniform hydroxide film on the surface to increase the adsorption performance;

[0067] S6 Nickel Plating:

[0068] Preparation of electrolytic cell: prepare an electrolytic cell containing nickel salt, sodium hydroxide and other ions, and control parameters such as pH value, temperature, current density, etc.; perform nickel plating operation: place the modified metal parts and rubber buffer parts into the electrolytic cell, perform electrochemical deposition, so that nickel ions are deposited on their surface to form a nickel plating layer.

[0069] S7 combination molding:

[0070] Bonding: Use adhesives or glue to combine nickel-plated metal parts and rubber buffer parts according to design requirements, and hot pressing: use heat and pressure to firmly combine the two together.

[0071] Embodiment 3

[0072] The nickel-plated carbon canister valve core includes the following components:

[0073] Metal parts 88%;

[0074] Rubber buffer part 11.7%;

[0075] Special adhesive 0.3%;

[0076] Among them, an appropriate amount of special tackifier is added into the rubber.

[0077] The manufacturing process of the nickel-plated carbon canister moving valve core includes the following steps:

[0078] S1 metal parts processing:

[0079] Cleaning: Use solutions or mechanical methods to clean the surface of metal parts to remove dirt and oxides; also use mechanical polishing or chemical polishing to make the metal surface smoother, and adjust the roughness of the metal surface through brushes, sandpaper, etc. to improve adsorption performance.

[0080] S2 Rubber Buffer Treatment:

[0081] Cleaning: Use a solution or mechanical method to clean the surface of the rubber buffer to remove dirt and impurities;

[0082] S3 compression treatment: soak the rubber buffer in warm water, then process and compress it under pressure to form micropores and mesopores on its surface to increase the adsorption surface area;

[0083] S4 chemical modification:

[0084] Pickling treatment: Use acid solution to pickle the surface of metal parts and rubber buffers to remove surface oxides and other impurities;

[0085] S5 Activation Treatment: Place the metal parts and rubber buffer parts in the activation solution for electrochemical or chemical activation treatment to form a uniform hydroxide film on the surface to increase the adsorption performance;

[0086] S6 Nickel Plating:

[0087] Preparation of electrolytic cell: prepare an electrolytic cell containing nickel salt, sodium hydroxide and other ions, and control parameters such as pH value, temperature, current density, etc.; perform nickel plating operation: place the modified metal parts and rubber buffer parts into the electrolytic cell, perform electrochemical deposition, so that nickel ions are deposited on their surface to form a nickel plating layer.

[0088] S7 combination molding:

[0089] Bonding: Use adhesives or glue to combine nickel-plated metal parts and rubber buffer parts according to design requirements, and hot pressing: use heat and pressure to firmly combine the two together.

[0090] Embodiment 4

[0091] The nickel-plated carbon canister valve core includes the following components:

[0092] Metal parts 88.8%;

[0093] Rubber buffer part 11%;

[0094] Special adhesive 0.2%;

[0095] Among them, an appropriate amount of special tackifier is added into the rubber.

[0096] The manufacturing process of the nickel-plated carbon canister moving valve core includes the following steps:

[0097] S1 metal parts processing:

[0098] Cleaning: Use solutions or mechanical methods to clean the surface of metal parts to remove dirt and oxides; also use mechanical polishing or chemical polishing to make the metal surface smoother, and adjust the roughness of the metal surface through brushes, sandpaper, etc. to improve adsorption performance.

[0099] S2 Rubber Buffer Treatment:

[0100] Cleaning: Use a solution or mechanical method to clean the surface of the rubber buffer to remove dirt and impurities;

[0101] S3 compression treatment: soak the rubber buffer in warm water, then process and compress it under pressure to form micropores and mesopores on its surface to increase the adsorption surface area;

[0102] S4 chemical modification:

[0103] Pickling treatment: Use acid solution to pickle the surface of metal parts and rubber buffers to remove surface oxides and other impurities;

[0104] S5 Activation Treatment: Place the metal parts and rubber buffer parts in the activation solution for electrochemical or chemical activation treatment to form a uniform hydroxide film on the surface to increase the adsorption performance;

[0105] S6 Nickel Plating:

[0106] Preparation of electrolytic cell: prepare an electrolytic cell containing nickel salt, sodium hydroxide and other ions, and control parameters such as pH value, temperature, current density, etc.; perform nickel plating operation: place the modified metal parts and rubber buffer parts into the electrolytic cell, perform electrochemical deposition, so that nickel ions are deposited on their surface to form a nickel plating layer.

[0107] S7 combination molding:

[0108] Bonding: Use adhesives or glue to combine nickel-plated metal parts and rubber buffer parts according to design requirements, and hot pressing: use heat and pressure to firmly combine the two together.

[0109] Embodiment 5

[0110] The nickel-plated carbon canister valve core includes the following components:

[0111] Metal parts 89%;

[0112] Rubber buffer part 10.5%;

[0113] Special adhesive 0.5%;

[0114] Among them, an appropriate amount of special tackifier is added into the rubber.

[0115] The manufacturing process of the nickel-plated carbon canister moving valve core includes the following steps:

[0116] S1 metal parts processing:

[0117] Cleaning: Use solutions or mechanical methods to clean the surface of metal parts to remove dirt and oxides; also use mechanical polishing or chemical polishing to make the metal surface smoother, and adjust the roughness of the metal surface through brushes, sandpaper, etc. to improve adsorption performance.

[0118] S2 Rubber Buffer Treatment:

[0119] Cleaning: Use a solution or mechanical method to clean the surface of the rubber buffer to remove dirt and impurities;

[0120] S3 compression treatment: soak the rubber buffer in warm water, then process and compress it under pressure to form micropores and mesopores on its surface to increase the adsorption surface area;

[0121] S4 chemical modification:

[0122] Pickling treatment: Use acid solution to pickle the surface of metal parts and rubber buffers to remove surface oxides and other impurities;

[0123] S5 Activation Treatment: Place the metal parts and rubber buffer parts in the activation solution for electrochemical or chemical activation treatment to form a uniform hydroxide film on the surface to increase the adsorption performance;

[0124] S6 Nickel Plating:

[0125] Preparation of electrolytic cell: prepare an electrolytic cell containing nickel salt, sodium hydroxide and other ions, and control parameters such as pH value, temperature, current density, etc.; perform nickel plating operation: place the modified metal parts and rubber buffer parts into the electrolytic cell, perform electrochemical deposition, so that nickel ions are deposited on their surface to form a nickel plating layer.

[0126] S7 combination molding:

[0127] Bonding: Use adhesives or glue to combine nickel-plated metal parts and rubber buffer parts according to design requirements, and hot pressing: use heat and pressure to firmly combine the two together.

[0128] Embodiment 6

[0129] The nickel-plated carbon canister valve core includes the following components:

[0130] Metal parts 89.5%;

[0131] Rubber buffer part 10%;

[0132] Special adhesive 0.5%;

[0133] Among them, an appropriate amount of special tackifier is added into the rubber.

[0134] The manufacturing process of the nickel-plated carbon canister moving valve core includes the following steps:

[0135] S1 metal parts processing:

[0136] Cleaning: Use solutions or mechanical methods to clean the surface of metal parts to remove dirt and oxides; also use mechanical polishing or chemical polishing to make the metal surface smoother, and adjust the roughness of the metal surface through brushes, sandpaper, etc. to improve adsorption performance.

[0137] S2 Rubber Buffer Treatment:

[0138] Cleaning: Use a solution or mechanical method to clean the surface of the rubber buffer to remove dirt and impurities;

[0139] S3 compression treatment: soak the rubber buffer in warm water, then process and compress it under pressure to form micropores and mesopores on its surface to increase the adsorption surface area;

[0140] S4 chemical modification:

[0141] Pickling treatment: Use acid solution to pickle the surface of metal parts and rubber buffers to remove surface oxides and other impurities;

[0142] S5 Activation Treatment: Place the metal parts and rubber buffer parts in the activation solution for electrochemical or chemical activation treatment to form a uniform hydroxide film on the surface to increase the adsorption performance;

[0143] S6 Nickel Plating:

[0144] Preparation of electrolytic cell: prepare an electrolytic cell containing nickel salt, sodium hydroxide and other ions, and control parameters such as pH value, temperature, current density, etc.; perform nickel plating operation: place the modified metal parts and rubber buffer parts into the electrolytic cell, perform electrochemical deposition, so that nickel ions are deposited on their surface to form a nickel plating layer.

[0145] S7 combination molding:

[0146] Bonding: Use adhesives or glue to combine nickel-plated metal parts and rubber buffer parts according to design requirements, and hot pressing: use heat and pressure to firmly combine the two together.

[0147] Embodiment 7

[0148] The nickel-plated carbon canister valve core includes the following components:

[0149] Metal parts 89.8%;

[0150] Rubber buffer part 10%;

[0151] Special adhesive 0.2%;

[0152] Among them, an appropriate amount of special tackifier is added into the rubber.

[0153] The manufacturing process of the nickel-plated carbon canister moving valve core includes the following steps:

[0154] S1 metal parts processing:

[0155] Cleaning: Use solutions or mechanical methods to clean the surface of metal parts to remove dirt and oxides; also use mechanical polishing or chemical polishing to make the metal surface smoother, and adjust the roughness of the metal surface through brushes, sandpaper, etc. to improve adsorption performance.

[0156] S2 Rubber Buffer Treatment:

[0157] Cleaning: Use a solution or mechanical method to clean the surface of the rubber buffer to remove dirt and impurities;

[0158] S3 compression treatment: soak the rubber buffer in warm water, then process and compress it under pressure to form micropores and mesopores on its surface to increase the adsorption surface area;

[0159] S4 chemical modification:

[0160] Pickling treatment: Use acid solution to pickle the surface of metal parts and rubber buffers to remove surface oxides and other impurities;

[0161] S5 Activation Treatment: Place the metal parts and rubber buffer parts in the activation solution for electrochemical or chemical activation treatment to form a uniform hydroxide film on the surface to increase the adsorption performance;

[0162] S6 Nickel Plating:

[0163] Preparation of electrolytic cell: prepare an electrolytic cell containing nickel salt, sodium hydroxide and other ions, and control parameters such as pH value, temperature, current density, etc.; perform nickel plating operation: place the modified metal parts and rubber buffer parts into the electrolytic cell, perform electrochemical deposition, so that nickel ions are deposited on their surface to form a nickel plating layer.

[0164] S7 combination molding:

[0165] Bonding: Use adhesives or glue to combine nickel-plated metal parts and rubber buffer parts according to design requirements, and hot pressing: use heat and pressure to firmly combine the two together.

[0166] Comparative Examples 1-7 and Blank Experiment Group 1

[0167] The nickel-plated carbon canister movable valve cores prepared in Comparative Examples 1-7, Blank Experiment Group 1 and Example 7 were adjusted only in terms of nickel content.

[0168] Specifically

[0169] In Comparative Example 1, an electrolytic cell containing nickel salt, sodium hydroxide and other ions is prepared, and parameters such as pH value, temperature, and current density are controlled; a nickel plating operation is performed: the modified metal parts and rubber buffer parts are placed in the electrolytic cell and electrochemical deposition is performed to deposit nickel ions on their surfaces to form a nickel plating layer, in which the nickel content is 7%.

[0170] In Comparative Example 2, an electrolytic cell containing nickel salt, sodium hydroxide and other ions is prepared, and parameters such as pH value, temperature, and current density are controlled; a nickel plating operation is performed: the modified metal parts and rubber buffer parts are placed in the electrolytic cell and electrochemical deposition is performed to deposit nickel ions on their surfaces to form a nickel plating layer in which the nickel content is 8%.

[0171] In Comparative Example 3, an electrolytic cell containing nickel salt, sodium hydroxide and other ions is prepared, and parameters such as pH value, temperature, and current density are controlled; a nickel plating operation is performed: the modified metal parts and rubber buffer parts are placed in the electrolytic cell and electrochemical deposition is performed to deposit nickel ions on their surfaces to form a nickel plating layer, in which the nickel content is 9%.

[0172] In Comparative Example 4, an electrolytic cell containing nickel salt, sodium hydroxide and other ions is prepared, and parameters such as pH value, temperature, and current density are controlled; a nickel plating operation is performed: the modified metal parts and rubber buffer parts are placed in the electrolytic cell and electrochemical deposition is performed to deposit nickel ions on their surfaces to form a nickel plating layer in which the nickel content is 10%.

[0173] In Comparative Example 5, an electrolytic cell containing nickel salt, sodium hydroxide and other ions is prepared, and parameters such as pH value, temperature, and current density are controlled; a nickel plating operation is performed: the modified metal parts and rubber buffer parts are placed in the electrolytic cell and electrochemical deposition is performed to deposit nickel ions on their surfaces to form a nickel plating layer in which the nickel content is 11%.

[0174] In Comparative Example 6, an electrolytic cell containing nickel salt, sodium hydroxide and other ions is prepared, and parameters such as pH value, temperature, and current density are controlled; a nickel plating operation is performed: the modified metal parts and rubber buffer parts are placed in the electrolytic cell and electrochemical deposition is performed to deposit nickel ions on their surface to form a nickel plating layer in which the nickel content is 12%.

[0175] In Comparative Example 7, an electrolytic cell containing nickel salt, sodium hydroxide and other ions is prepared, and parameters such as pH value, temperature, and current density are controlled; a nickel plating operation is performed: the modified metal parts and rubber buffer parts are placed in the electrolytic cell and electrochemical deposition is performed to deposit nickel ions on their surfaces to form a nickel plating layer in which the nickel content is 13%.

[0176] Blank experimental group 1, prepare an electrolytic cell containing nickel salt, sodium hydroxide ions and other ions, and control parameters such as pH value, temperature, current density, etc.; perform nickel plating operation: place the modified metal parts and rubber buffer parts into the electrolytic cell, perform electrochemical deposition, and deposit nickel ions on their surface to form a nickel plating layer, in which the nickel content is 1%.

[0177] Salt spray test

[0178] The nickel-plated carbon canister movable valve cores prepared in the above-mentioned comparative examples 1-7, blank experimental group 1 and embodiment 7 were taken and subjected to a salt spray test.

[0179] Cyclic motion experiment

[0180] The nickel-plated carbon canister movable valve cores prepared in the above-mentioned comparative examples 1-7, blank experimental group 1 and embodiment 7 were taken and subjected to a cyclic motion test.

[0181] Running a Noise Experiment

[0182] The nickel-plated carbon canister movable valve cores prepared in the above-mentioned comparative examples 1-7, blank experimental group 1 and embodiment 7 were taken and subjected to noise detection.

[0183] The results of the above three groups of experiments are as follows

[0184] Salt spray test (h) Cyclic motion experiment (10,000 times) Operation noise (level) Comparative Example 1 97 9000 3 Comparative Example 2 99 11000 3 Comparative Example 3 100 11000 3 Comparative Example 4 110 12000 3 Comparative Example 5 112 13000 3 Comparative Example 6 120 15000 3 Comparative Example 7 138 18000 2 Blank experimental group 1 68 5000 4 Embodiment 7 148 20000 2

[0185] In summary, under the conditions of Example 7, and when the nickel content is 13%, the actual laboratory test results of the new carbon canister moving valve core are as follows: the salt spray life is 100% over 144 hours, the motion cycle life is 200 million times, and the operating noise is level 2. The quality level exceeds that of imported products.

[0186] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0187] 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. Nickel-plated carbon canister valve core, characterized in that: It includes the following components: Metal parts 80-90%; Rubber buffer part 10-15%; Special adhesive 0.1-0.5%; Among them, an appropriate amount of special tackifier is added into the rubber.

2. The manufacturing process of the nickel-plated carbon canister moving valve core is characterized by: The following steps are involved: S1 metal parts processing: Cleaning: Use solutions or mechanical methods to clean the surface of metal parts to remove dirt and oxides; S2 Rubber Buffer Treatment: Cleaning: Use a solution or mechanical method to clean the surface of the rubber buffer to remove dirt and impurities; S3 compression processing: The rubber buffer is soaked in warm water, and then processed and compressed under pressure to form micropores and mesopores on its surface to increase the adsorption surface area; S4 chemical modification: Pickling treatment: Use acid solution to pickle the surface of metal parts and rubber buffers to remove surface oxides and other impurities; S5 activation treatment: The metal parts and rubber buffer parts are placed in an activation solution for electrochemical or chemical activation treatment to form a uniform hydroxide film on the surface to increase the adsorption performance; S6 Nickel Plating: Preparation of electrolytic cell: prepare an electrolytic cell containing nickel salt, sodium hydroxide and other ions, and control parameters such as pH value, temperature, and current density; S7 combination molding: Bonding: Use adhesive or glue to combine nickel-plated metal parts and rubber buffer parts according to design requirements.

3. The manufacturing process of the nickel-plated carbon canister movable valve core according to claim 2 is characterized in that: In the step S1, mechanical polishing or chemical polishing is used to make the metal surface smoother, and the roughness of the metal surface is adjusted by brushes, sandpaper, etc. to improve the adsorption performance.

4. The manufacturing process of the nickel-plated carbon canister movable valve core according to claim 2 is characterized in that: In the step S6, a nickel plating operation is performed: the modified metal parts and rubber buffer parts are placed in an electrolytic cell for electrochemical deposition, so that nickel ions are deposited on their surfaces to form a nickel plating layer.

5. The manufacturing process of the nickel-plated carbon canister movable valve core according to claim 2 is characterized in that: In the step S7, heat pressing is also used: the two are firmly combined together by heating and pressure.