阅读说明：本技术 一种抗腐蚀抗黄斑的稳定型冲压油 (Corrosion-resistant and yellow spot-resistant stable stamping oil ) 是由 王正国 陆以春 陈波 黄清 于 2020-12-11 设计创作，主要内容包括：本发明属于冲压技术领域,具体涉及一种抗腐蚀抗黄斑的稳定型冲压油。本发明提供的冲压油包括基础油、棕榈酸单酯、硫化棉籽油、油酸、6-甲基香豆素、石油磺酸钠、1-氟-3-正丁基喹啉乳酸盐、抗氧剂、表面活性剂、极压剂等组分。本发明提供的冲压油,以碳氢类溶剂为基础油,选用合理的极压剂、油性组分、表面活性剂、抗氧剂等组分,获得一种性质稳定、粘度适中、润滑性能优良的冲压油,在冲压加工中对模具及工件起到很好的保护和润滑总用。而且,本发明提供的冲压油还具有非常优异的抗锈蚀和抗黄变性能。(The invention belongs to the technical field of stamping, and particularly relates to corrosion-resistant yellow spot-resistant stable stamping oil. The punching oil provided by the invention comprises the components of base oil, palmitic acid monoester, sulfurized cottonseed oil, oleic acid, 6-methylcoumarin, sodium petroleum sulfonate, 1-fluoro-3-n-butylquinoline lactate, an antioxidant, a surfactant, an extreme pressure agent and the like. The punching oil provided by the invention takes hydrocarbon solvent as base oil, and selects reasonable extreme pressure agent, oily component, surfactant, antioxidant and other components, so that the punching oil with stable property, moderate viscosity and excellent lubricating property is obtained, and the punching oil plays a good role in protecting and lubricating a die and a workpiece in punching processing. Moreover, the stamping oil provided by the invention also has very excellent anti-rusting and anti-yellowing properties.)

1. The stable stamping oil is characterized in that: comprises the following components:

100 portions of base oil

6-25 parts of palmitic acid monoester

1-6 parts of sulfurized cottonseed oil

2-4 parts of oleic acid

0.5-1.2 parts of 6-methylcoumarin

1-2 parts of petroleum sodium sulfonate

0.05-0.12 part of 1-fluoro-3-n-butylquinoline lactate

0.1 to 0.2 portion of antioxidant

0.5 to 1.5 portions of surfactant

3-9 parts of extreme pressure agent.

2. A corrosion-resistant, macular-resistant stabilized stamping oil according to claim 1, wherein: the base oil is hydrocarbon solvent base oil.

3. A corrosion-resistant, macular-resistant stabilized stamping oil according to claim 1, wherein: the base oil is one or a mixture of Exxosl D110, Somentor35 and Somentor 31.

4. A corrosion-resistant, macular-resistant stabilized stamping oil according to claim 1, wherein: the base oil is n-hexadecane.

5. A corrosion-resistant, macular-resistant stabilized stamping oil according to claim 1, wherein: the surfactant is fatty alcohol polyoxyethylene ether or alkylphenol polyoxyethylene ether.

6. A corrosion-resistant, macular-resistant stabilized stamping oil according to claim 1, wherein: the extreme pressure agent is chlorinated paraffin.

7. A corrosion-resistant, macular-resistant stabilized stamping oil according to claim 1, wherein: the antioxidant is 2, 6-di-tert-butyl-p-cresol or phytic acid.

8. A corrosion-resistant, macular-resistant stabilized stamping oil according to any one of claims 1 to 7, wherein: the preparation method comprises the following steps: dividing base oil into two parts, respectively heating to 50 deg.C; adding the palmitic acid monoester, the sulfurized cottonseed oil, the 6-methylcoumarin, the sodium petroleum sulfonate and the antioxidant into one part of the mixture while stirring; adding oleic acid, 1-fluoro-3-n-butylquinoline lactate, a surfactant and an extreme pressure agent into the other part while stirring; respectively stirring uniformly and then mixing to obtain the final product.

Technical Field

The invention belongs to the technical field of stamping, and particularly relates to corrosion-resistant yellow spot-resistant stable stamping oil.

Background

Stamping, an important metal working method, uses a press and a die to apply an external force to a plate, a strip, a pipe, a profile, etc. to cause plastic deformation or separation thereof, thereby obtaining a workpiece of a desired shape and size. In the stamping process of the metal material, the contact surface of the metal material and the die needs to be protected by stamping oil, so that the abrasion of the die is reduced, the precision of the product is improved, and the surface requirement of the product is met. Currently, the main focus of commercial stamping oil products is still on reducing die wear and improving product dimensional accuracy, but the long-term influence of the use of stamping oil on the products cannot be fully focused. After the punching press is accomplished, a small amount of punching press oil can remain on product section and surface usually, leads to the product to appear the corruption of different degrees in the long-term storage in-process, and in addition, punching press oil residue self also has certain instability, under the effect of outdoor light and heat, deposits or stacks the stamping workpiece surface formation macula lutea in the open air, influences user experience.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides a stable stamping oil with corrosion resistance and yellow spot resistance.

In order to achieve the purpose, the invention is realized by the following technical scheme: a stable stamping oil resisting corrosion and yellow spots comprises the following components:

100 portions of base oil

6-25 parts of palmitic acid monoester

1-6 parts of sulfurized cottonseed oil

2-4 parts of oleic acid

0.5-1.2 parts of 6-methylcoumarin

1-2 parts of petroleum sodium sulfonate

0.05-0.12 part of 1-fluoro-3-n-butylquinoline lactate

0.1 to 0.2 portion of antioxidant

0.5 to 1.5 portions of surfactant

3-9 parts of extreme pressure agent.

Wherein the base oil is hydrocarbon solvent base oil, and can be one or more of Exxosl D110, Somentor35 and Somentor31, or n-hexadecane.

Wherein the surfactant is fatty alcohol polyoxyethylene ether or alkylphenol polyoxyethylene ether.

Wherein the extreme pressure agent is chlorinated paraffin.

Wherein the antioxidant is 2, 6-di-tert-butyl-p-cresol or phytic acid.

The stamping oil provided by the invention is prepared by the following method: dividing base oil into two parts, respectively heating to 50 deg.C; adding the palmitic acid monoester, the sulfurized cottonseed oil, the 6-methylcoumarin, the sodium petroleum sulfonate and the antioxidant into one part of the mixture while stirring; adding oleic acid, 1-fluoro-3-n-butylquinoline lactate, a surfactant and an extreme pressure agent into the other part while stirring; respectively stirring uniformly and then mixing to obtain the final product.

Has the advantages that: compared with the prior art, the corrosion-resistant and yellow spot-resistant stable stamping oil provided by the invention takes the hydrocarbon solvent as the base oil, and adopts reasonable extreme pressure agent, oily component, surfactant, antioxidant and other components, so that the stamping oil with stable property, moderate viscosity and excellent lubricating property is obtained, and the stamping oil has good protection and lubrication effects on dies and workpieces in stamping processing. Particularly, on the basis of the conventional antirust agent petroleum sodium sulfonate, trace 6-methylcoumarin and 1-fluoro-3-n-butylquinoline lactate are added in a matching manner, so that the anti-rust performance of the punching oil is improved, the self stability of the punching oil under the photo-thermal condition is obviously improved, and a workpiece with the punching oil attached to the surface can stand a severe environment for a long time without yellow spots.

Detailed Description

The invention is further illustrated by the following specific examples, which are illustrative and intended to illustrate the problem and explain the invention, but not limiting.

Example 1

A stable stamping oil resisting corrosion and yellow spots comprises the following components:

100 portions of base oil

Palmitic acid monoester 18 parts

5 parts of sulfurized cottonseed oil

Oleic acid 3 parts

0.7 part of 6-methylcoumarin

2 parts of petroleum sodium sulfonate

0.09 part of 1-fluoro-3-n-butylquinoline lactate

0.1 part of antioxidant

1.2 portions of surfactant

7 parts of extreme pressure agent.

In this example, the base oil was a 1:1 mixture by weight of exxosl d110 and Somentor 31; the surfactant is fatty alcohol-polyoxyethylene ether; the extreme pressure agent is chlorinated paraffin; the antioxidant is phytic acid.

The punching oil is prepared by the following method: dividing base oil into two parts, respectively heating to 50 deg.C; adding the palmitic acid monoester, the sulfurized cottonseed oil, the 6-methylcoumarin, the sodium petroleum sulfonate and the antioxidant into one part of the mixture while stirring; adding oleic acid, 1-fluoro-3-n-butylquinoline lactate, a surfactant and an extreme pressure agent into the other part while stirring; respectively stirring uniformly and then mixing to obtain the final product.

Example 2

A stable stamping oil resisting corrosion and yellow spots comprises the following components:

100 portions of base oil

25 parts of palmitic acid monoester

Sulfurized cottonseed oil 6 parts

Oleic acid 4 parts

0.5 part of 6-methylcoumarin

1 part of petroleum sodium sulfonate

0.12 part of 1-fluoro-3-n-butylquinoline lactate

0.1 part of antioxidant

0.5 part of surfactant

3 parts of extreme pressure agent.

In this example, the base oil was Somentor 35; the surfactant is fatty alcohol-polyoxyethylene ether; the extreme pressure agent is chlorinated paraffin; the antioxidant is 2, 6-di-tert-butyl-p-cresol.

The punching oil is prepared by the following method: dividing base oil into two parts, respectively heating to 50 deg.C; adding the palmitic acid monoester, the sulfurized cottonseed oil, the 6-methylcoumarin, the sodium petroleum sulfonate and the antioxidant into one part of the mixture while stirring; adding oleic acid, 1-fluoro-3-n-butylquinoline lactate, a surfactant and an extreme pressure agent into the other part while stirring; respectively stirring uniformly and then mixing to obtain the final product.

Example 3

A stable stamping oil resisting corrosion and yellow spots comprises the following components:

100 portions of base oil

Palmitic acid monoester 6 parts

Sulfurized cottonseed oil 1 part

Oleic acid 2 parts

1.2 parts of 6-methylcoumarin

2 parts of petroleum sodium sulfonate

0.05 part of 1-fluoro-3-n-butylquinoline lactate

0.2 portion of antioxidant

Surfactant 1.5 parts

And 9 parts of extreme pressure agent.

In this example, the base oil was n-hexadecane; alkylphenol ethoxylates; the extreme pressure agent is chlorinated paraffin; the antioxidant is 2, 6-di-tert-butyl-p-cresol.

The punching oil is prepared by the following method: dividing base oil into two parts, respectively heating to 50 deg.C; adding the palmitic acid monoester, the sulfurized cottonseed oil, the 6-methylcoumarin, the sodium petroleum sulfonate and the antioxidant into one part of the mixture while stirring; adding oleic acid, 1-fluoro-3-n-butylquinoline lactate, a surfactant and an extreme pressure agent into the other part while stirring; respectively stirring uniformly and then mixing to obtain the final product.

Comparative example 1

The 6-methylcoumarin, sodium petroleum sulfonate and 1-fluoro-3-n-butylquinoline lactate in example 1 were removed, and the other components involved were the same as in example 1 and the preparation method was the same.

Comparative example 2

The 1-fluoro-3-n-butylquinoline lactate in example 1 was removed, and the other components involved were the same as in example 1.

Comparative example 3

The 6-methylcoumarin and sodium petroleum sulfonate in example 1 were removed, and the remaining components and preparation method were the same as in example 1.

Comparative example 4

6-methylcoumarin and 1-fluoro-3-n-butylquinoline lactate in example 1 were removed, and the remaining components involved were the same as in example 1.

Comparative example 5

The petroleum sodium sulfonate and the 1-fluoro-3-n-butylquinoline lactate in the example 1 are removed, and the other components and the preparation method are the same as the example 1.

The press oil compositions described in the above examples and comparative examples were subjected to performance tests. The extreme pressure performance test is carried out according to GB/T3142.

The rust resistance was tested as follows. A group of round holes with the aperture of 20mm are punched in a rectangular array on a Q235 steel plate with the size of 150mm multiplied by 2mm by using corresponding punching oil by using a punching machine, then the steel plate is immersed in the punching oil at the temperature of 30 ℃ for 10min, and is taken out and drained for 24h to serve as a test sample. For the same example or comparative example, 5 test specimens were placed in a test chamber, and the temperature and humidity in the test chamber were controlled to 80 ℃ and 80%, respectively. And (3) regularly observing the samples in the test box, recording the time of the occurrence of the macroscopic rusty spots on the surface of each sample, and removing the maximum value and the minimum value to obtain an average value, namely the rusty resistance time. The longest recording time in this test was 30 days.

Anti-macular performance was tested as follows. A group of round holes with the aperture of 20mm are punched in a rectangular array on a Q235 steel plate with the size of 150mm multiplied by 2mm by using corresponding punching oil by using a punching machine, then the steel plate is immersed in the punching oil at the temperature of 30 ℃ for 10min, and is taken out and drained for 24h to serve as a test sample. According to the same embodiment or comparative example, 5 test samples are placed in a test box and vertically irradiated by a high-pressure mercury lamp, the power of the high-pressure mercury lamp is 500W, the main wavelength is 365nm, the distance between the high-pressure mercury lamp and the test samples is 20cm, and the actually measured temperature in the test box is within the range of 62 +/-3 ℃. And regularly observing the samples in the test box, recording the time of the appearance of the yellow spots visible to the naked eye on the surfaces of the samples, and removing the maximum value and the minimum value to obtain an average value, namely the anti-yellowing time. The longest recording time in this test was 30 days.

Table 1 results of performance testing

As can be seen from Table 1, the stamping oil provided by the invention can reach a better extreme pressure performance level in the prior art, and meanwhile, the corrosion resistance and yellowing resistance are remarkably improved. The 1-fluoro-3-n-butyl quinoline lactate plays a very effective role in inhibiting yellowing of the punching oil under the condition of ultraviolet illumination, but the dosage of the 1-fluoro-3-n-butyl quinoline lactate needs to be reasonably controlled, and the ionic effect of the 1-fluoro-3-n-butyl quinoline lactate also has a very slight adverse effect on the anti-rusting performance of the punching oil. The sodium petroleum sulfonate is used as an important antirust agent, plays an important basic role in the integral antirust performance of the punching oil, and on the basis, the antirust performance of the punching oil can be further remarkably improved by adding the 6-methylcoumarin.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that modifications can be made by those skilled in the art without departing from the principle of the present invention, and these modifications should also be construed as the protection scope of the present invention.