阅读说明：本技术 一种螺母生产制造方法 (Nut production method ) 是由 吴连清 俞伯成 于 2021-06-25 设计创作，主要内容包括：本发明公开了一种螺母生产制造方法,包括以下步骤：S1：铸造成型：将液态金属溶液加入到模具中,得到钢坯,待钢坯冷却至室温,将钢坯取出；S2：高温淬火：将钢坯放入到淬火液中进行淬火处理,淬火完成后将钢坯取出；S3：软化退火：将钢坯放入到钟罩炉中进行软化退火处理；S4：切割处理：根据需要螺母的长度对钢坯进行切割处理,切割完成后对切割处进行打磨抛光处理；S5：螺纹加工：对钢坯的内部进行螺纹加工处理；S6：防锈处理：将钢坯加入到防锈液中进行浸泡处理,浸泡过程中需要对钢坯进行翻面处理；S7：烘干。本发明制得的螺母强度高,防锈性能好,有效提高螺母使用寿命。(The invention discloses a nut production method, which comprises the following steps: s1: casting and forming: adding the liquid metal solution into a die to obtain a steel billet, and taking out the steel billet after the steel billet is cooled to room temperature; s2: high-temperature quenching: putting the steel billet into quenching liquid for quenching treatment, and taking out the steel billet after quenching; s3: softening and annealing: putting the billet into a bell jar furnace for softening annealing treatment; s4: cutting treatment: cutting the steel billet according to the length of the nut, and grinding and polishing the cut part after the cutting is finished; s5: and (3) thread machining: carrying out thread processing treatment on the interior of the steel billet; s6: and (3) rust prevention treatment: adding the steel billet into the antirust liquid for soaking treatment, wherein the steel billet needs to be turned over in the soaking process; s7: and (5) drying. The nut prepared by the invention has high strength and good antirust performance, and the service life of the nut is effectively prolonged.)

1. The nut production and manufacturing method is characterized by comprising the following steps:

s1: casting and forming: adding the liquid metal solution into a die to obtain a steel billet, and taking out the steel billet after the steel billet is cooled to room temperature;

s2: high-temperature quenching: putting the steel billet into quenching liquid for quenching treatment, and taking out the steel billet after quenching;

s3: softening and annealing: putting the billet into a bell jar furnace for softening annealing treatment;

s4: cutting treatment: cutting the steel billet according to the length of the nut, and grinding and polishing the cut part after the cutting is finished;

s5: and (3) thread machining: carrying out thread processing treatment on the interior of the steel billet;

s6: and (3) rust prevention treatment: adding the steel billet into the antirust liquid for soaking treatment, wherein the steel billet needs to be turned over in the soaking process;

s7: drying: putting the steel billet subjected to the rust prevention treatment into a drying furnace for drying treatment, and taking out the steel billet after drying;

s8: and (3) appearance inspection: and inspecting the appearance of the billet to finally obtain the high-strength antirust nut.

2. The method for producing a nut as claimed in claim 1, wherein in S2, the temperature of the steel blank is set to 1100-1200 ℃, and the steel blank is taken out from the quenching liquid after the high temperature quenching is completed.

3. The method for producing a nut as claimed in claim 1, wherein in S3, the temperature of the softening annealing is set to 600-700 ℃, the time of the softening annealing is set to 5-6h, and the billet is cooled to room temperature after the softening annealing is completed.

4. The method of claim 1, wherein in step S4, the steel blank is cleaned after finishing grinding and polishing.

5. The method of claim 1, wherein in step S5, the billet is threaded by a milling machine.

6. The method of claim 1, wherein in step S6, the billet is immersed for 2-3 hours and the billet is turned over every 20-30 min.

7. The method of claim 1, wherein in step S7, the temperature of the oven is set to 60-80 ℃, and the billet is turned over every 5-10min during the drying process.

8. The method of claim 1, wherein in step S8, the billet is repaired when the appearance of the billet is damaged until the billet is qualified.

Technical Field

The invention relates to the technical field of nut production, in particular to a nut production and manufacturing method.

Background

The nut is a nut, and is screwed together with a bolt or a screw rod to play a role in fastening, and one element which is necessary for all production and manufacturing machines is divided into carbon steel, stainless steel, non-ferrous metal (such as copper) and other types according to different materials.

Through retrieval, the manufacturing and processing production method of the nut with the application publication number of CN 107738075A comprises a frame, a material conveying device, a tapping device, a chamfering device and a manipulator, wherein the material conveying device comprises a material box, a material conveying pipe and a bracket, the bracket is fixedly connected with the frame, the upper end of the bracket is provided with the material box, the lower end of the material box is provided with the material conveying pipe, one side of the outlet of the material conveying pipe is provided with the conveying device, the conveying device comprises a conveying plate, a moving block and a nut buckle cover, the conveying plate is arranged on one side of the frame, the nut buckle cover is arranged on a telescopic rod, the tapping device is arranged on one side of the material conveying device, the manipulator is arranged on one side of the manipulator, the chamfering device is connected with the conveying plate, and the processing process is completely mechanized, the labor is saved, and the processing safety is improved.

However, the currently processed nut has low strength and poor antirust performance, so that the service life of the nut is seriously reduced, the operation is complicated, and the processing efficiency is low, so that a nut production and manufacturing method is provided for solving the problems.

Disclosure of Invention

Based on the technical problems that the processed nut in the background technology is low in strength and poor in anti-rust performance, the service life of the nut can be further seriously shortened, the operation is complicated, and the processing efficiency is low, the invention provides the nut production and manufacturing method.

The invention provides a nut production and manufacturing method, which comprises the following steps:

s1: casting and forming: adding the liquid metal solution into a die to obtain a steel billet, and taking out the steel billet after the steel billet is cooled to room temperature;

s2: high-temperature quenching: putting the steel billet into quenching liquid for quenching treatment, and taking out the steel billet after quenching;

s3: softening and annealing: putting the billet into a bell jar furnace for softening annealing treatment;

s4: cutting treatment: cutting the steel billet according to the length of the nut, and grinding and polishing the cut part after the cutting is finished;

s5: and (3) thread machining: carrying out thread processing treatment on the interior of the steel billet;

s6: and (3) rust prevention treatment: adding the steel billet into the antirust liquid for soaking treatment, wherein the steel billet needs to be turned over in the soaking process;

s7: drying: putting the steel billet subjected to the rust prevention treatment into a drying furnace for drying treatment, and taking out the steel billet after drying;

s8: and (3) appearance inspection: and inspecting the appearance of the billet to finally obtain the high-strength antirust nut.

Preferably, in S2, the temperature for high-temperature quenching of the steel billet is set to 1100-.

Preferably, in S3, the temperature of the softening annealing is set to 600-.

Preferably, in S4, the steel billet is cleaned after the polishing.

Preferably, in S5, the billet is threaded by a milling machine.

Preferably, in S6, the billet soaking time is set to 2-3h, and the billet is turned over every 20-30 min.

Preferably, in S7, the temperature of the drying furnace is set to 60-80 ℃, and the billet is turned over every 5-10min during the drying process.

Preferably, in S8, if the appearance of the billet is damaged, the billet needs to be repaired until the billet is qualified.

The invention has the beneficial effects that:

(1) according to the nut production and manufacturing method, the high-temperature quenching and softening annealing treatment is carried out on the steel billet, so that the strength of the nut after production can be effectively improved;

(2) according to the nut production and manufacturing method, the billet is subjected to cutting treatment and thread machining, and after the billet is cut, polishing and grinding treatment are sequentially carried out and cleaning is carried out, so that the thread machining precision can be effectively improved;

(3) according to the nut production manufacturing method, the steel billet is subjected to rust prevention treatment and drying, the steel billet is placed into the rust prevention liquid to be soaked, the steel billet can be turned over in the soaking process, so that the steel billet is fully contacted with the rust prevention liquid, and the steel billet is dried after soaking is finished, so that the rust prevention performance of the steel billet can be effectively improved.

Detailed Description

The present invention will be further illustrated with reference to the following specific examples.

Example one

The embodiment provides a nut production and manufacturing method which comprises the following steps:

s1: casting and forming: adding the liquid metal solution into a die to obtain a steel billet, and taking out the steel billet after the steel billet is cooled to room temperature;

s2: high-temperature quenching: putting the steel billet into quenching liquid for quenching treatment, and taking out the steel billet after quenching;

s3: softening and annealing: putting the billet into a bell jar furnace for softening annealing treatment;

s4: cutting treatment: cutting the steel billet according to the length of the nut, and grinding and polishing the cut part after the cutting is finished;

s5: and (3) thread machining: carrying out thread processing treatment on the interior of the steel billet;

s6: and (3) rust prevention treatment: adding the steel billet into the antirust liquid for soaking treatment, wherein the steel billet needs to be turned over in the soaking process;

s7: drying: putting the steel billet subjected to the rust prevention treatment into a drying furnace for drying treatment, and taking out the steel billet after drying;

s8: and (3) appearance inspection: and inspecting the appearance of the billet to finally obtain the high-strength antirust nut.

In this embodiment, in S2, the temperature of high-temperature quenching of a steel billet is set to 1100 ℃, the steel billet is taken out of the quenching liquid after the high-temperature quenching is completed, in S3, the temperature of softening annealing is set to 600 ℃, the time of softening annealing is set to 5 hours, the steel billet is cooled to room temperature after the softening annealing is completed, in S4, the steel billet is cleaned after polishing is completed, in S5, the steel billet is threaded by a milling machine, in S6, the soaking time of the steel billet is set to 2 hours, the steel billet is turned over every 20 minutes, in S7, the temperature of a drying furnace is set to 60 ℃, in the drying process, the steel billet is turned over every 5 minutes, and in S8, the steel billet needs to be repaired when the appearance of the steel billet is damaged until the steel billet is qualified.

Example two

The embodiment provides a nut production and manufacturing method which comprises the following steps:

s1: casting and forming: adding the liquid metal solution into a die to obtain a steel billet, and taking out the steel billet after the steel billet is cooled to room temperature;

s2: high-temperature quenching: putting the steel billet into quenching liquid for quenching treatment, and taking out the steel billet after quenching;

s3: softening and annealing: putting the billet into a bell jar furnace for softening annealing treatment;

s4: cutting treatment: cutting the steel billet according to the length of the nut, and grinding and polishing the cut part after the cutting is finished;

s5: and (3) thread machining: carrying out thread processing treatment on the interior of the steel billet;

s6: and (3) rust prevention treatment: adding the steel billet into the antirust liquid for soaking treatment, wherein the steel billet needs to be turned over in the soaking process;

s7: drying: putting the steel billet subjected to the rust prevention treatment into a drying furnace for drying treatment, and taking out the steel billet after drying;

s8: and (3) appearance inspection: and inspecting the appearance of the billet to finally obtain the high-strength antirust nut.

In this embodiment, in S2, the temperature of high-temperature quenching of a steel billet is set to 1120 ℃, the steel billet is taken out of the quenching liquid after the high-temperature quenching is completed, in S3, the temperature of softening annealing is set to 620 ℃, the time of softening annealing is set to 5 hours, the steel billet is cooled to room temperature after the softening annealing is completed, in S4, the steel billet is cleaned after polishing is completed, in S5, the steel billet is threaded by a milling machine, in S6, the soaking time of the steel billet is set to 2 hours, the steel billet is turned over every 22 minutes, in S7, the temperature of a drying furnace is set to 65 ℃, in the drying process, the steel billet is turned over every 6 minutes, and in S8, the steel billet needs to be repaired when the appearance of the steel billet is damaged until the steel billet is qualified.

EXAMPLE III

The embodiment provides a nut production and manufacturing method which comprises the following steps:

s1: casting and forming: adding the liquid metal solution into a die to obtain a steel billet, and taking out the steel billet after the steel billet is cooled to room temperature;

s2: high-temperature quenching: putting the steel billet into quenching liquid for quenching treatment, and taking out the steel billet after quenching;

s3: softening and annealing: putting the billet into a bell jar furnace for softening annealing treatment;

s4: cutting treatment: cutting the steel billet according to the length of the nut, and grinding and polishing the cut part after the cutting is finished;

s5: and (3) thread machining: carrying out thread processing treatment on the interior of the steel billet;

s6: and (3) rust prevention treatment: adding the steel billet into the antirust liquid for soaking treatment, wherein the steel billet needs to be turned over in the soaking process;

s7: drying: putting the steel billet subjected to the rust prevention treatment into a drying furnace for drying treatment, and taking out the steel billet after drying;

s8: and (3) appearance inspection: and inspecting the appearance of the billet to finally obtain the high-strength antirust nut.

In this embodiment, in S2, the temperature of high-temperature quenching of a steel billet is set to 1150 ℃, the steel billet is taken out of the quenching liquid after the high-temperature quenching is completed, in S3, the temperature of softening annealing is set to 650 ℃, the time of softening annealing is set to 5 hours, the steel billet is cooled to room temperature after the softening annealing is completed, in S4, the steel billet is cleaned after polishing is completed, in S5, the steel billet is threaded by a milling machine, in S6, the soaking time of the steel billet is set to 2 hours, the steel billet is turned over every 26 minutes, in S7, the temperature of a drying furnace is set to 70 ℃, in the drying process, the steel billet is turned over every 8 minutes, and in S8, the steel billet needs to be repaired when the appearance of the steel billet is damaged until the steel billet is qualified.

Example four

The embodiment provides a nut production and manufacturing method which comprises the following steps:

s1: casting and forming: adding the liquid metal solution into a die to obtain a steel billet, and taking out the steel billet after the steel billet is cooled to room temperature;

s2: high-temperature quenching: putting the steel billet into quenching liquid for quenching treatment, and taking out the steel billet after quenching;

s3: softening and annealing: putting the billet into a bell jar furnace for softening annealing treatment;

s4: cutting treatment: cutting the steel billet according to the length of the nut, and grinding and polishing the cut part after the cutting is finished;

s5: and (3) thread machining: carrying out thread processing treatment on the interior of the steel billet;

s6: and (3) rust prevention treatment: adding the steel billet into the antirust liquid for soaking treatment, wherein the steel billet needs to be turned over in the soaking process;

s7: drying: putting the steel billet subjected to the rust prevention treatment into a drying furnace for drying treatment, and taking out the steel billet after drying;

s8: and (3) appearance inspection: and inspecting the appearance of the billet to finally obtain the high-strength antirust nut.

In this embodiment, in S2, the temperature of high-temperature quenching of a steel billet is set to 1180 ℃, the steel billet is taken out of the quenching liquid after the high-temperature quenching is completed, in S3, the temperature of softening annealing is set to 680 ℃, the time of softening annealing is set to 6 hours, the steel billet is cooled to room temperature after the softening annealing is completed, in S4, the steel billet is cleaned after polishing is completed, in S5, the steel billet is threaded by a milling machine, in S6, the soaking time of the steel billet is set to 3 hours, the steel billet is turned over every 28 minutes, in S7, the temperature of a drying furnace is set to 75 ℃, in the drying process, the steel billet is turned over every 8 minutes, and in S8, the steel billet needs to be repaired when the appearance of the steel billet is damaged until the steel billet is qualified.

EXAMPLE five

The embodiment provides a nut production and manufacturing method which comprises the following steps:

s1: casting and forming: adding the liquid metal solution into a die to obtain a steel billet, and taking out the steel billet after the steel billet is cooled to room temperature;

s2: high-temperature quenching: putting the steel billet into quenching liquid for quenching treatment, and taking out the steel billet after quenching;

s3: softening and annealing: putting the billet into a bell jar furnace for softening annealing treatment;

s4: cutting treatment: cutting the steel billet according to the length of the nut, and grinding and polishing the cut part after the cutting is finished;

s5: and (3) thread machining: carrying out thread processing treatment on the interior of the steel billet;

s6: and (3) rust prevention treatment: adding the steel billet into the antirust liquid for soaking treatment, wherein the steel billet needs to be turned over in the soaking process;

s7: drying: putting the steel billet subjected to the rust prevention treatment into a drying furnace for drying treatment, and taking out the steel billet after drying;

s8: and (3) appearance inspection: and inspecting the appearance of the billet to finally obtain the high-strength antirust nut.

In this embodiment, in S2, the temperature of high-temperature quenching of a steel billet is set to 1200 ℃, the steel billet is taken out of the quenching liquid after the high-temperature quenching is completed, in S3, the temperature of softening annealing is set to 700 ℃, the time of softening annealing is set to 6 hours, the steel billet is cooled to room temperature after the softening annealing is completed, in S4, the steel billet is cleaned after polishing is completed, in S5, the steel billet is threaded by a milling machine, in S6, the soaking time of the steel billet is set to 3 hours, the steel billet is turned over every 30 minutes, in S7, the temperature of a drying furnace is set to 80 ℃, in the drying process, the steel billet is turned over every 10 minutes, and in S8, the steel billet needs to be repaired when the appearance of the steel billet is damaged until the steel billet is qualified.

Using the nuts prepared in examples one to five, a nut manufactured by the prior art was prepared, the strength of the nut was measured, and the measurement results were recorded:

examples	Compressive strength
		Example one	1522MPa
Example two	1576MPa
		EXAMPLE III	1599MPa
Example four	1521MPa
		EXAMPLE five	1538MPa
Control group	868MPa

The result shows that the nut prepared by the method has high strength and meets the use requirement, and the third embodiment is the best embodiment.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.