CN111122432A - Detection method suitable for adhesive force of paint film of automobile part - Google Patents
Detection method suitable for adhesive force of paint film of automobile part Download PDFInfo
- Publication number
- CN111122432A CN111122432A CN201911394813.2A CN201911394813A CN111122432A CN 111122432 A CN111122432 A CN 111122432A CN 201911394813 A CN201911394813 A CN 201911394813A CN 111122432 A CN111122432 A CN 111122432A
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- CN
- China
- Prior art keywords
- sample
- paint film
- mar
- detecting
- scratch
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000003973 paint Substances 0.000 title claims abstract description 25
- 239000000853 adhesive Substances 0.000 title claims abstract description 11
- 230000001070 adhesive effect Effects 0.000 title claims abstract description 11
- 238000001514 detection method Methods 0.000 title claims description 32
- 238000012360 testing method Methods 0.000 claims abstract description 31
- 238000000034 method Methods 0.000 claims abstract description 26
- 238000005070 sampling Methods 0.000 claims abstract description 6
- 238000000576 coating method Methods 0.000 claims description 13
- 239000011248 coating agent Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 7
- 238000006748 scratching Methods 0.000 claims description 5
- 230000002393 scratching effect Effects 0.000 claims description 5
- 239000000758 substrate Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract 1
- 239000004744 fabric Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N19/00—Investigating materials by mechanical methods
- G01N19/04—Measuring adhesive force between materials, e.g. of sealing tape, of coating
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
The invention relates to 1, a method for detecting the adhesive force of a paint film of an automobile part, which comprises the following steps: step 1: cutting a sample; step 2: selecting a cutter; and step 3: selecting a counterweight; and 4, step 4: testing scratches; and 5: stopping testing and sampling; step 6: and (4) detecting the sample. The invention can efficiently detect the adhesion effect of the automobile parts and improve the efficiency.
Description
Technical Field
The invention relates to the field of product performance testing, in particular to a method for detecting paint film adhesive force of an automobile part.
Background
Automotive upholstery often contacts with the friction of daily fabrics and leather-like materials, and the surfaces of many automotive upholstery are provided with surface coatings or are processed into very smooth surfaces, and the surfaces with the coatings or the smooth surfaces can scratch, become rough and even fade the coatings to expose the base layer under the friction of the daily fabrics or leather-like materials, so that the appearance is greatly influenced, and the parts need to be tested for abrasion resistance.
Disclosure of Invention
In order to solve the technical problems, the invention aims to provide a method for detecting the adhesive force of a paint film of an automobile part.
In order to achieve the purpose, the invention adopts the following technical scheme:
a method for detecting the adhesive force of a paint film of an automobile part comprises the following steps:
step 1: cutting a sample, cutting a sample with a proper size from a sample piece, and installing the sample on an adhesion tester to ensure the sample to be stable;
step 2: selecting a cutter, selecting a proper grid divider, and installing the grid divider on the adhesion tester in the step 1;
and step 3: selecting a balance weight, and selecting a proper balance weight through an adhesion tester;
and 4, step 4: performing scratch test, namely performing scratch test on the sample according to the step 3;
and 5: stopping testing and sampling, and taking out the sample after the testing in the step 4 is finished;
step 6: sample detection, namely transferring a sample with scratches to a detection device to detect whether the scratches penetrate through the coating or not and scratching the coating to a base material;
step 61: if the scratch of the sample meets the requirement, the balance weight in the step 3 meets the requirement, then a new sample is cut again, then a plurality of spaced scratch operations are carried out on the sample according to the sequence in the steps 2 to 6, and finally the sample is detected again;
step 62: if the sample mar does not accord with the demand, then increase or reduce adhesion test appearance counter weight according to the condition after the mar detects, until the check accord with the demand of mar test, then carry out corresponding detection according to step 61.
Preferably, in the method for detecting the adhesion of the paint film of the automobile part, the proper weight in the step 3 means that the scratch on the sample cannot be scratched into the substrate.
Preferably, the adhesion tester comprises a fixed seat, a sample fixing groove is formed in the fixed seat, an upper fixed plate is arranged on the fixed seat through a guide rod, a sliding plate which slides is arranged on the guide rod and is in driving connection with a first air cylinder installed on the fixed plate, a guide rail is arranged on the sliding plate, a sliding block is arranged on the guide rail, a grid drawing device is arranged on the sliding block, the sliding block is in driving connection with a second air cylinder, and a pressure detection device is arranged on the first air cylinder.
Preferably, the method for detecting the paint film adhesion of the automobile parts is characterized by comprising the following steps: the detection apparatus comprises a microscope and a processing device.
Preferably, the method for detecting the paint film adhesion of the automobile parts is characterized by comprising the following steps: the specific operation in step 6 is as follows:
1) placing the scratched sample below a microscope, and observing the sample by using the magnification of the microscope;
2) after the microscope is magnified to a proper multiple, the final state of the sample observed by the microscope is shot by a camera and then is transmitted into a processing device;
3) the processing device compares the shot images through internal software, judges the specific state of the sample which is scratched through, and analyzes to obtain a corresponding result.
Preferably, the comparison number involved in the image comparison is at least 3, and the comparison number is divided into a front end, a rear end and a middle end.
Preferably, in the step 61, if the scratch meets the requirement, a plurality of uniform scratch detections are performed on the same product from step 1 to step 6.
Preferably, the method for detecting the paint film adhesion of the automobile parts is used for detecting multiple scratches of the sample by detecting equipment, wherein each scratch is detected by the specific operation of the step 6, and a corresponding analysis result is obtained.
Preferably, after the result obtained by analyzing each part is determined, if the scratches meet the requirements, the first scratches are determined to be OK, if the scratches do not meet the requirements, after the scratches of all samples are detected, the non-conforming scratches are scratched again, and a secondary scratch treatment is performed on the same part by using a counterweight smaller than that in the step 3, and then secondary detection is performed, and corresponding analysis is obtained.
By the scheme, the invention at least has the following advantages:
the invention can efficiently detect the adhesive force of the paint film of the automobile part through automatic detection, thereby efficiently judging the excellence of the paint film, effectively improving the working efficiency of the paint film, reducing the errors caused by artificial judgment, improving the judgment precision and achieving the purpose of reducing the cost.
The foregoing is a summary of the present invention, and in order to provide a clear understanding of the technical means of the present invention and to be implemented in accordance with the present specification, the following is a detailed description of the preferred embodiments of the present invention.
Detailed Description
The following examples are given to further illustrate the embodiments of the present invention. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution 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 of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
Examples
A method for detecting the adhesive force of a paint film of an automobile part comprises the following steps:
step 1: cutting a sample, cutting a sample with a proper size from a sample piece, and installing the sample on an adhesion tester to ensure the sample to be stable;
step 2: selecting a cutter, selecting a proper grid divider, and installing the grid divider on the adhesion tester in the step 1;
and step 3: selecting a balance weight, and selecting a proper balance weight through an adhesion tester;
and 4, step 4: performing scratch test, namely performing scratch test on the sample according to the step 3;
and 5: stopping testing and sampling, and taking out the sample after the testing in the step 4 is finished;
step 6: sample detection, namely transferring a sample with scratches to a detection device to detect whether the scratches penetrate through the coating or not and scratching the coating to a base material;
step 61: if the scratch of the sample meets the requirement, the balance weight in the step 3 meets the requirement, then a new sample is cut again, then a plurality of spaced scratch operations are carried out on the sample according to the sequence in the steps 2 to 6, and finally the sample is detected again;
step 62: if the sample mar does not accord with the demand, then increase or reduce adhesion test appearance counter weight according to the condition after the mar detects, until the check accord with the demand of mar test, then carry out corresponding detection according to step 61.
In the present invention, the proper weighting in step 3 means that the scratch on the sample is not scratched into the substrate.
The adhesion tester comprises a fixed seat, wherein a sample fixing groove is formed in the fixed seat, an upper fixed plate is arranged on the fixed seat through a guide rod, a sliding plate which slides is arranged on the guide rod and is in driving connection with a first air cylinder arranged on the fixed plate, a guide rail is arranged on the sliding plate, a sliding block is arranged on the guide rail, a grid drawing device is arranged on the sliding block, the sliding block is in driving connection with a second air cylinder, and a pressure detection device is arranged on the first air cylinder.
The detection device comprises a microscope and a processing device.
The specific operation in step 6 in the present invention is as follows:
1) placing the scratched sample below a microscope, and observing the sample by using the magnification of the microscope;
2) after the microscope is magnified to a proper multiple, the final state of the sample observed by the microscope is shot by a camera and then is transmitted into a processing device;
3) the processing device compares the shot images through internal software, judges the specific state of the sample which is scratched through, and analyzes to obtain a corresponding result.
The internal software is known to those skilled in the art, and will not be described in detail.
The comparison number related in the image comparison is at least provided with 3 ends, namely front ends, rear ends and middle ends.
In step 61 of the present invention, if the scratch meets the requirement, multiple uniform scratches are detected on the same product, and the operation is from step 1 to step 6.
In the detection of the multiple scratches of the sample, detection equipment is used for detecting the scratches of each place, the detection of each place is carried out through the specific operation of the step 6, and a corresponding analysis result is obtained.
According to the invention, after the result obtained by each analysis is obtained, if the scratch meets the requirement, the scratch at the first position is judged to be OK, if the scratch does not meet the requirement, after the scratches of all samples are detected, the scratch which does not meet the requirement is scratched again, and the scratch is scratched for the second time at the same position by adopting the balance weight which is smaller than that in the step 3, and then the detection is carried out for the second time, and the corresponding analysis is obtained.
Example one
A method for detecting the adhesive force of a paint film of an automobile part comprises the following steps:
step 1: cutting a sample, cutting a sample with a proper size from a sample piece, and installing the sample on an adhesion tester to ensure the sample to be stable;
step 2: selecting a cutter, selecting a proper grid divider, and installing the grid divider on the adhesion tester in the step 1;
and step 3: selecting a balance weight, and selecting a proper balance weight through an adhesion tester;
and 4, step 4: performing scratch test, namely performing scratch test on the sample according to the step 3;
and 5: stopping testing and sampling, and taking out the sample after the testing in the step 4 is finished;
step 6: sample detection, namely transferring a sample with scratches to a detection device to detect whether the scratches penetrate through the coating or not and scratching the coating to a base material;
step 61: if the sample mar accords with the demand, place the sample again on adhesion tester, then carry out the mar of many places to the sample and handle, the counter weight of its mar is unanimous with foretell step 2, then carry out the analysis by check out test set to every department mar on the sample, the step is as follows:
1) placing the scratched sample below a microscope, and observing the sample by using the magnification of the microscope;
2) after the microscope is magnified to a proper multiple, the final state of the sample observed by the microscope is shot by a camera and then is transmitted into a processing device;
3) the processing device compares the shot images through internal software, judges the specific state of the scratched sample and analyzes the specific state to obtain a corresponding result;
and if the scratch meets the requirement after analyzing the result of each position, judging the first scratch as OK.
Example two
A method for detecting the adhesive force of a paint film of an automobile part comprises the following steps:
step 1: cutting a sample, cutting a sample with a proper size from a sample piece, and installing the sample on an adhesion tester to ensure the sample to be stable;
step 2: selecting a cutter, selecting a proper grid divider, and installing the grid divider on the adhesion tester in the step 1;
and step 3: selecting a balance weight, and selecting a proper balance weight through an adhesion tester;
and 4, step 4: performing scratch test, namely performing scratch test on the sample according to the step 3;
and 5: stopping testing and sampling, and taking out the sample after the testing in the step 4 is finished;
step 6: sample detection, namely transferring a sample with scratches to a detection device to detect whether the scratches penetrate through the coating or not and scratching the coating to a base material;
step 61: if the sample mar accords with the demand, place the sample again on adhesion tester, then carry out the mar of many places to the sample and handle, the counter weight of its mar is unanimous with foretell step 2, then carry out the analysis by check out test set to every department mar on the sample, the step is as follows:
1) placing the scratched sample below a microscope, and observing the sample by using the magnification of the microscope;
2) after the microscope is magnified to a proper multiple, the final state of the sample observed by the microscope is shot by a camera and then is transmitted into a processing device;
3) the processing device compares the shot images through internal software, judges the specific state of the scratched sample and analyzes the specific state to obtain a corresponding result;
if the scratches do not meet the requirement, after the scratches of all samples are detected, performing scratch treatment again on the non-met scratches, performing secondary scratch treatment on the same part by using a counterweight smaller than that in the step 3, and performing secondary detection (the step is the same as the above, and no further description is given here), and obtaining corresponding analysis.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, it should be noted that, for those skilled in the art, many modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (9)
1. A detection method for paint film adhesion of automobile parts is characterized by comprising the following steps:
step 1: cutting a sample, cutting a sample with a proper size from a sample piece, and installing the sample on an adhesion tester to ensure the sample to be stable;
step 2: selecting a cutter, selecting a proper grid divider, and installing the grid divider on the adhesion tester in the step 1;
and step 3: selecting a balance weight, and selecting a proper balance weight through an adhesion tester;
and 4, step 4: performing scratch test, namely performing scratch test on the sample according to the step 3;
and 5: stopping testing and sampling, and taking out the sample after the testing in the step 4 is finished;
step 6: sample detection, namely transferring a sample with scratches to a detection device to detect whether the scratches penetrate through the coating or not and scratching the coating to a base material;
step 61: if the scratch of the sample meets the requirement, the balance weight in the step 3 meets the requirement, then a new sample is cut again, then a plurality of spaced scratch operations are carried out on the sample according to the sequence in the steps 2 to 6, and finally the sample is detected again;
step 62: if the sample mar does not accord with the demand, then increase or reduce adhesion test appearance counter weight according to the condition after the mar detects, until the check accord with the demand of mar test, then carry out corresponding detection according to step 61.
2. The method for detecting the paint film adhesion of the automobile parts as claimed in claim 1, wherein the method comprises the following steps: the proper weighting in step 3 means that the scratch on the sample is not scratched into the substrate.
3. The method for detecting the paint film adhesion of the automobile parts as claimed in claim 1 or 2, wherein the method comprises the following steps: the adhesive force tester comprises a fixed seat, wherein a sample fixing groove is formed in the fixed seat, an upper fixed plate is arranged on the fixed seat through a guide rod, a sliding plate which slides is arranged on the guide rod and is in driving connection with a first air cylinder installed on the fixed plate, a guide rail is arranged on the sliding plate, a sliding block is arranged on the guide rail, a grid drawing device is arranged on the sliding block, the sliding block is in driving connection with a second air cylinder, and a pressure detection device is arranged on the first air cylinder.
4. The method for detecting the paint film adhesion of the automobile parts as claimed in claim 1, wherein the method comprises the following steps: the detection apparatus comprises a microscope and a processing device.
5. The method for detecting the paint film adhesion of the automobile parts as claimed in claim 1 or 4, wherein the method comprises the following steps: the specific operation in step 6 is as follows:
1) placing the scratched sample below a microscope, and observing the sample by using the magnification of the microscope;
2) after the microscope is magnified to a proper multiple, the final state of the sample observed by the microscope is shot by a camera and then is transmitted into a processing device;
3) the processing device compares the shot images through internal software, judges the specific state of the sample which is scratched through, and analyzes to obtain a corresponding result.
6. The method for detecting the paint film adhesion of the automobile parts as claimed in claim 5, wherein the method comprises the following steps: the number of comparison involved in the image comparison is at least provided with 3 ends, namely front ends, rear ends and middle ends.
7. The method for detecting the paint film adhesion of the automobile parts as claimed in claim 1, wherein the method comprises the following steps: in step 61, if the scratch meets the requirement, multiple uniform scratches are detected on the same product, and the operation mode is from step 1 to step 6.
8. The method for detecting the paint film adhesion of the automobile parts as claimed in claim 7, wherein the method comprises the following steps: and (3) detecting multiple scratches of the sample by using a detection device, wherein each scratch is detected by the specific operation of the step (6), and a corresponding analysis result is obtained.
9. The method for detecting the paint film adhesion of the automobile parts as claimed in claim 8, wherein: after the result that obtains each department analysis, if the mar accords with the demand, then judge first department mar as OK, if the mar does not accord with the demand, after the mar to all samples detects the completion, carry out scratch processing once more to the mar that does not accord with to adopt the counter weight that is less than in step 3 to carry out secondary mar processing in same department, then carry out secondary detection again, and obtain corresponding analysis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911394813.2A CN111122432A (en) | 2019-12-30 | 2019-12-30 | Detection method suitable for adhesive force of paint film of automobile part |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911394813.2A CN111122432A (en) | 2019-12-30 | 2019-12-30 | Detection method suitable for adhesive force of paint film of automobile part |
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| CN111122432A true CN111122432A (en) | 2020-05-08 |
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| CN201911394813.2A Pending CN111122432A (en) | 2019-12-30 | 2019-12-30 | Detection method suitable for adhesive force of paint film of automobile part |
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2019
- 2019-12-30 CN CN201911394813.2A patent/CN111122432A/en active Pending
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Application publication date: 20200508 |