阅读说明：本技术 一种调整垫片加工工艺及方法 (Adjusting gasket machining process and method ) 是由 陆曦峰 于 2020-07-03 设计创作，主要内容包括：本发明公开了一种调整垫片加工工艺及方法,包括以下操作步骤：S1：来料检验；S2：冲压；S3：热处理；S4：整形；S5：表面处理；S6：检验；S7：清洗；S8：防锈包装。本发明通过冲压,能够快速获取所需形状,通过热处理对半成品进行处理,改善垫片内部微观结构,有效提高产品的韧性和硬度,提高垫片的强度,通过回火处理,能够释放产品因热处理而产生的内部应力,有利于产品后续加工,降低产品的形变程度,同时通过模压整形,能够有效保证垫片的精度,通过涡流测试仪能够检测垫片内部是否存在肉眼不可见伤痕,确保垫片的质量。(The invention discloses a processing technology and a method for adjusting a gasket, which comprises the following operation steps: s1: inspecting incoming materials; s2: stamping; s3: heat treatment; s4: shaping; s5: surface treatment; s6: checking; s7: cleaning; s8: and (6) antirust packaging. According to the invention, through stamping, the required shape can be rapidly obtained, the semi-finished product is treated through heat treatment, the microstructure in the gasket is improved, the toughness and hardness of the product are effectively improved, the strength of the gasket is improved, the internal stress of the product generated by the heat treatment can be released through tempering treatment, the subsequent processing of the product is facilitated, the deformation degree of the product is reduced, meanwhile, through mould pressing and shaping, the precision of the gasket can be effectively ensured, whether the scratch invisible to naked eyes exists in the gasket can be detected through an eddy current tester, and the quality of the gasket is ensured.)

1. A processing technology and a method for adjusting a gasket are characterized in that: the method comprises the following operation steps:

s1: inspecting incoming materials, inspecting the grade, specification and hardness parameters of the raw materials, and determining whether the raw materials meet the production requirements;

s2: stamping, namely stamping the required shape by using stamping equipment according to design parameters to obtain a semi-finished product for later use;

s3: heat treatment, the semi-finished product is sent into a heat treatment furnace to be preheated to the temperature of 160-200 ℃, then the temperature is raised to the temperature of 680-720 ℃ at the speed of 20-30 ℃/min, the heat preservation treatment is carried out for 2-4 hours, the semi-finished product is rapidly cooled in cooling oil at the temperature of 20-30 ℃ after the heat preservation is finished, the semi-finished product is then placed into a tempering furnace to be heated to the temperature of 260-300 ℃, the heat preservation treatment is carried out for 3-5 hours, and the semi-finished product is taken out to be naturally cooled after the heat preservation is;

s4: shaping, namely performing mould pressing shaping on the semi-finished product by using a mould pressing machine, and inspecting the hardness, the outer diameter, the aperture, the thickness, the planeness, the parallelism and the weight parameters of the semi-finished product at a position of 0.2 mm;

s5: performing surface treatment, namely performing double-sided grinding treatment on the qualified semi-finished product by using a planar grinding disc to enable the semi-finished product to meet the technical parameter requirements of thickness, flatness, parallelism and roughness, and then polishing the semi-finished product by using a polishing wheel to enable the semi-finished product to meet the treatment requirements of no scratch, no rust spots, no sharp edges and no burrs;

s6: inspecting, namely inspecting the semi-finished product by using an eddy current tester, judging whether the semi-finished product has invisible scars by naked eyes, determining whether the semi-finished product has appearance defects by observation, and sorting the semi-finished product according to the thickness;

s7: cleaning, namely placing the inspected semi-finished product in a cleaning tank, cleaning by ultrasonic waves, repeatedly washing for 3 times by using distilled water after cleaning is finished, and drying by cold air after washing;

s8: and (4) antirust packaging, namely uniformly coating a layer of antirust oil on the surface of the semi-finished product, and then packaging by using a polyethylene sealing bag.

2. The process and method for manufacturing a spacer according to claim 1, wherein: the appearance defects in step S6 include bending and missing.

3. The process and method for manufacturing a spacer according to claim 1, wherein: in the step S7S, 20-25% of alkaline degreasing agent is added into the cleaning tank, and the water temperature is 45-50 ℃.

Technical Field

The invention belongs to the technical field of gasket processing, and particularly relates to a processing technology and a method for adjusting a gasket.

Background

Shims are widely used components in mechanical connections. In the production and processing process of the adjusting gasket, a stainless steel plate is mostly adopted for processing. At present, in the existing adjusting gasket processing technology, when the adjusting gasket is directly produced by adopting a stainless steel plate, the performance of the gasket is directly related to the raw materials, and the performance of the stainless steel plate on the market cannot meet the production requirement of the high-strength gasket. Therefore, there is a need for a process and method for manufacturing a high strength spacer by using a stainless steel plate as a raw material.

Disclosure of Invention

The present invention is directed to a process and a method for manufacturing a spacer, so as to solve the problems of the related art.

In order to achieve the purpose, the invention provides the following technical scheme: a process and a method for machining a regulating shim comprise the following operation steps:

s1: inspecting incoming materials, inspecting the grade, specification and hardness parameters of the raw materials, and determining whether the raw materials meet the production requirements;

s2: stamping, namely stamping the required shape by using stamping equipment according to design parameters to obtain a semi-finished product for later use;

s3: heat treatment, the semi-finished product is sent into a heat treatment furnace to be preheated to the temperature of 160-200 ℃, then the temperature is raised to the temperature of 680-720 ℃ at the speed of 20-30 ℃/min, the heat preservation treatment is carried out for 2-4 hours, the semi-finished product is rapidly cooled in cooling oil at the temperature of 20-30 ℃ after the heat preservation is finished, the semi-finished product is then placed into a tempering furnace to be heated to the temperature of 260-300 ℃, the heat preservation treatment is carried out for 3-5 hours, and the semi-finished product is taken out to be naturally cooled after the heat preservation is;

s4: shaping, namely performing mould pressing shaping on the semi-finished product by using a mould pressing machine, and inspecting the hardness, the outer diameter, the aperture, the thickness, the planeness, the parallelism and the weight parameters of the semi-finished product at a position of 0.2 mm;

s5: performing surface treatment, namely performing double-sided grinding treatment on the qualified semi-finished product by using a planar grinding disc to enable the semi-finished product to meet the technical parameter requirements of thickness, flatness, parallelism and roughness, and then polishing the semi-finished product by using a polishing wheel to enable the semi-finished product to meet the treatment requirements of no scratch, no rust spots, no sharp edges and no burrs;

s6: inspecting, namely inspecting the semi-finished product by using an eddy current tester, judging whether the semi-finished product has invisible scars by naked eyes, determining whether the semi-finished product has appearance defects by observation, and sorting the semi-finished product according to the thickness;

s7: cleaning, namely placing the inspected semi-finished product in a cleaning tank, cleaning by ultrasonic waves, repeatedly washing for 3 times by using distilled water after cleaning is finished, and drying by cold air after washing;

s8: and (4) antirust packaging, namely uniformly coating a layer of antirust oil on the surface of the semi-finished product, and then packaging by using a polyethylene sealing bag.

Preferably, the appearance defects in step S6 include bending and missing.

Preferably, in step S7S, 20-25% alkaline degreasing agent is added into the cleaning tank, and the water temperature is 45-50 ℃.

The invention has the technical effects and advantages that: according to the invention, through stamping, the required shape can be rapidly obtained, the semi-finished product is treated through heat treatment, the microstructure in the gasket is improved, the toughness and hardness of the product are effectively improved, the strength of the gasket is improved, the internal stress of the product generated by the heat treatment can be released through tempering treatment, the subsequent processing of the product is facilitated, the deformation degree of the product is reduced, meanwhile, through mould pressing and shaping, the precision of the gasket can be effectively ensured, whether the scratch invisible to naked eyes exists in the gasket can be detected through an eddy current tester, and the quality of the gasket is ensured.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

A process and a method for machining a regulating shim comprise the following operation steps:

s1: inspecting incoming materials, inspecting the grade, specification and hardness parameters of the raw materials, and determining whether the raw materials meet the production requirements;

s2: stamping, namely stamping the required shape by using stamping equipment according to design parameters to obtain a semi-finished product for later use;

s3: heat treatment, the semi-finished product is sent into a heat treatment furnace to be preheated to the temperature of 160-200 ℃, then the temperature is raised to the temperature of 680-720 ℃ at the speed of 20-30 ℃/min, the heat preservation treatment is carried out for 2-4 hours, the semi-finished product is rapidly cooled in cooling oil at the temperature of 20-30 ℃ after the heat preservation is finished, the semi-finished product is then placed into a tempering furnace to be heated to the temperature of 260-300 ℃, the heat preservation treatment is carried out for 3-5 hours, and the semi-finished product is taken out to be naturally cooled after the heat preservation is;

s4: shaping, namely performing mould pressing shaping on the semi-finished product by using a mould pressing machine, and inspecting the hardness, the outer diameter, the aperture, the thickness, the planeness, the parallelism and the weight parameters of the semi-finished product at a position of 0.2 mm;

s5: performing surface treatment, namely performing double-sided grinding treatment on the qualified semi-finished product by using a planar grinding disc to enable the semi-finished product to meet the technical parameter requirements of thickness, flatness, parallelism and roughness, and then polishing the semi-finished product by using a polishing wheel to enable the semi-finished product to meet the treatment requirements of no scratch, no rust spots, no sharp edges and no burrs;

s6: inspecting, namely inspecting the semi-finished product by using an eddy current tester, judging whether the semi-finished product has invisible scars by naked eyes, determining whether the semi-finished product has appearance defects by observation, and sorting the semi-finished product according to the thickness;

s7: cleaning, namely placing the inspected semi-finished product in a cleaning tank, cleaning by ultrasonic waves, repeatedly washing for 3 times by using distilled water after cleaning is finished, and drying by cold air after washing;

s8: and (4) antirust packaging, namely uniformly coating a layer of antirust oil on the surface of the semi-finished product, and then packaging by using a polyethylene sealing bag.

In step S6, the appearance defects include bending and missing, and if the appearance defects are found, the defect is treated as a defective product.

And S7S, adding 20-25% of alkaline degreasing agent into the cleaning tank, wherein the water temperature is 45-50 ℃, and under the action of ultrasonic waves, the alkaline degreasing agent can quickly remove oil stains on the surface of the gasket and can corrode the gasket in subsequent storage.

According to the invention, through stamping, the required shape can be rapidly obtained, the semi-finished product is treated through heat treatment, the microstructure in the gasket is improved, the toughness and hardness of the product are effectively improved, the strength of the gasket is improved, the internal stress of the product generated by the heat treatment can be released through tempering treatment, the subsequent processing of the product is facilitated, the deformation degree of the product is reduced, meanwhile, through mould pressing and shaping, the precision of the gasket can be effectively ensured, whether the scratch invisible to naked eyes exists in the gasket can be detected through an eddy current tester, and the quality of the gasket is ensured.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.