CN212872161U - Test die structure for detecting coating adhesion strength of coating plate - Google Patents
Test die structure for detecting coating adhesion strength of coating plate Download PDFInfo
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- CN212872161U CN212872161U CN202020579374.4U CN202020579374U CN212872161U CN 212872161 U CN212872161 U CN 212872161U CN 202020579374 U CN202020579374 U CN 202020579374U CN 212872161 U CN212872161 U CN 212872161U
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- die
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- 239000011248 coating agent Substances 0.000 title claims abstract description 32
- 238000000576 coating method Methods 0.000 title claims abstract description 32
- 238000012360 testing method Methods 0.000 title claims abstract description 29
- 229910052751 metal Inorganic materials 0.000 claims abstract description 21
- 239000002184 metal Substances 0.000 claims abstract description 21
- 238000009864 tensile test Methods 0.000 claims abstract description 20
- 239000000463 material Substances 0.000 claims abstract description 19
- 238000005253 cladding Methods 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 abstract description 17
- 238000005260 corrosion Methods 0.000 abstract description 6
- 230000007797 corrosion Effects 0.000 abstract description 6
- 239000011159 matrix material Substances 0.000 abstract description 4
- 238000004080 punching Methods 0.000 abstract description 3
- 238000007747 plating Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- CSDREXVUYHZDNP-UHFFFAOYSA-N alumanylidynesilicon Chemical compound [Al].[Si] CSDREXVUYHZDNP-UHFFFAOYSA-N 0.000 description 1
- SNAAJJQQZSMGQD-UHFFFAOYSA-N aluminum magnesium Chemical compound [Mg].[Al] SNAAJJQQZSMGQD-UHFFFAOYSA-N 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model relates to a test die structure for detecting cladding material panel cladding material adhesion strength belongs to metal coating panel cladding material peel strength's survey technical field. The technical scheme is as follows: the sample (2) to be tested is clamped in a jaw (1) of a tensile testing machine and passes between a male die (5) and a female die (3); the female die (3) is a fixed die, the male die (5) is arranged on the male die holder (4) to form a movable die set, and the fixed die and the movable die set are matched for use. The utility model discloses test metallic coating that can be accurate is under the die gap of difference or the different positive pressure, metallic coating and metallic matrix's adhesion strength to be used for guiding cladding material sheet metal in the regulation of actual punching press in-process positive pressure or die gap size, improve the corrosion resistance of work piece and then improve the life of work piece.
Description
Technical Field
The utility model relates to a test die structure for detecting cladding material panel cladding material adhesion strength belongs to metal coating panel cladding material peel strength's survey technical field.
Background
Because of its good corrosion resistance, the metal-plated steel sheet is more and more widely used in the industries of automobiles, household appliance panels, ships and the like, and the plating layer also has the original galvanized and tin-plated plate, and products with better corrosion resistance such as galvanized aluminum magnesium, aluminum silicon and the like are gradually developed. In the process of stamping and forming the plate, the plating layer of the metal plate is often damaged due to the problem of the gap between the plating layer and a stamping die or the magnitude of stamping force, so that the corrosion resistance of the metal plate is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a test die structure for detecting cladding material panel cladding material adhesion strength, adopt fixed mould and movable mould group to press from both sides tightly through the test by the test appearance, test metallic coating that can be accurate is under the die gap of difference or different positive pressure, metallic coating and metallic matrix's adhesion strength, thereby be used for guiding cladding material sheet metal at the regulation of actual punching press in-process positive pressure or die gap size, thereby make stamping workpiece cladding material metal effectively protected, improve the corrosion resistance of work piece and then improve the life of work piece, the above-mentioned problem that exists among the background art has been solved effectively.
The technical scheme of the utility model is that: the utility model provides a test die structure for detecting cladding material plate coating adhesion strength which characterized in that: the device comprises a jaw of a tensile testing machine, a tested sample, a female die, a male die holder and a male die, wherein the tested sample is a metal plate with a coating, is clamped in the jaw of the tensile testing machine and vertically passes through the male die holder and the female die; the female die is provided with a groove, the male die is provided with a pressure head, the pressure head of the male die is matched with the groove of the female die, the sample to be tested is pressed by the pressure head of the male die and the groove of the female die, the length of the pressure head and the groove in the horizontal direction is greater than the width of the sample to be tested, a gap is reserved between the pressure head of the male die and the groove of the female die, and the gap is matched with the thickness of the sample to be tested; the female die is a fixed die, the male die is fixed on a male die holder, the male die holder is a movable die, the moving direction of the movable die is vertical to the plane of the sample to be tested, and the male die holder drives the press head to be matched with or separated from the groove.
And the clearance between the pressure head of the male die and the groove of the female die is adjustable.
The length between the pressure head of the male die and the groove of the female die of the sample to be tested is 150 mm.
The tested sample has the size of 50mm thick, 500mm wide, flat shape and smooth and burr-free edge.
Use the utility model discloses, there can be three kinds of detection methods:
the clearance method test process: (1) clamping the tested sample by using a jaw of a tensile testing machine, and enabling the jaw of the tensile testing machine to move downwards along with the tested sample, so that the tested sample passes through a space between a male die holder and a female die; (2) adjusting the punch holder and the pressure head of the male die to move, so that the pressure head of the male die and the groove of the female die tightly press the sample to be tested to a set fixed clearance value; (3) the jaw of the tensile testing machine provides tensile force, so that a tested sample passes through a space between a pressure head of the male die and a groove of the female die at a constant speed, and the passing length is 150 mm; (4) testing the mass loss of the tested sample before and after passing;
the pressure method test process comprises the following steps: (1) clamping the tested sample by using a jaw of a tensile testing machine, and enabling the jaw of the testing machine to move downwards along with the tested sample, so that the tested sample passes through a space between a pressure head of a male die and a groove of a female die; (2) adjusting the movement of the punch holder and the pressure head of the male die to enable the pressure head of the male die and the groove of the female die to tightly press the sample to be tested and set the pressure head and the groove to a fixed pressure value; (3) the jaw of the tensile testing machine provides tensile force, so that a tested sample passes through a space between a pressure head of the male die and a groove of the female die at a constant speed, and the passing length is 150 mm; (4) testing the mass loss of the tested sample before and after passing;
evaluation method of coating adhesion strength: (1) the tested sample is pulled between the pressure head of the male die and the groove of the female die, and the coating does not obviously peel off, namely the tested sample is good; (2) the tested sample is pulled between the pressure head of the male die and the groove of the female die, and the quality loss of the coating is less than or equal to 1 percent, namely the coating is qualified; (3) the tested sample is pulled between the pressure head of the male die and the groove of the female die, and the quality loss of the coating is more than 1 percent, namely worse.
The utility model has the advantages that: the fixed die and the movable die set are adopted to clamp a tested sample to pass the test, so that the adhesive strength of the metal coating and the metal matrix can be accurately tested under different die gaps or different positive pressures, and the metal coating and the metal matrix are used for guiding the adjustment of the positive pressure or the die gap size of the coated metal plate in the actual stamping process, so that the coated metal of the stamping part is effectively protected, the corrosion resistance of the workpiece is improved, and the service life of the workpiece is further prolonged.
Drawings
Fig. 1 is a schematic structural view of the present invention;
in the figure: the device comprises a jaw 1 of a tensile testing machine, a sample to be tested 2, a female die 3, a male die holder 4 and a male die 5.
Detailed Description
In order to make the purpose, technical solution and advantages of the embodiment of the present invention clearer, the following will combine the drawings in the embodiment to clearly and completely describe the technical solution in the embodiment of the present invention, and obviously, the embodiment described is a small part of the embodiment of the present invention, rather than the whole embodiment, based on the embodiment of the present invention, all other embodiments obtained by the ordinary skilled person in the art without creative work belong to the protection scope of the present invention.
The utility model provides a test die structure for detecting cladding material plate coating adhesion strength which characterized in that: the device comprises a jaw 1 of a tensile testing machine, a sample 2 to be tested, a female die 3, a male die holder 4 and a male die 5, wherein the sample 2 to be tested is a metal plate with a coating, the sample 2 to be tested is clamped in the jaw 1 of the tensile testing machine, and the male die holder 4 and the female die 3 vertically pass through; the female die 3 is provided with a groove, the male die 5 is provided with a pressure head, the pressure head of the male die 5 is matched with the groove of the female die 3, the sample 2 to be tested is pressed by the pressure head of the male die 5 and the groove of the female die 3, the length of the pressure head and the groove in the horizontal direction is larger than the width of the sample 2 to be tested, a gap is reserved between the pressure head of the male die 5 and the groove of the female die 3, and the gap is matched with the thickness of the sample 2 to be tested; the female die 3 is a fixed die, the male die 5 is fixed on a male die holder 4, the male die holder 4 is a movable die, the moving direction of the movable die is vertical to the plane of the sample 2 to be tested, and the male die holder 4 drives the pressure head to be matched with or separated from the groove.
And the clearance between the pressure head of the male die and the groove of the female die is adjustable.
The method is characterized in that: the length between the pressure head of the male die and the groove of the female die of the sample to be tested is 150 mm.
The tested sample is a metal plate with a coating, the thickness of the metal plate is 50mm, the width of the metal plate is 500mm, the metal plate is flat and straight in shape, and the edge of the metal plate is smooth and has no burrs.
Use the utility model discloses, there can be three kinds of detection methods:
the clearance method test process: (1) clamping the tested sample by using a jaw of a tensile testing machine, and enabling the jaw of the tensile testing machine to move downwards along with the tested sample, so that the tested sample passes through a space between a male die holder and a female die; (2) adjusting the punch holder and the pressure head of the male die to move, so that the pressure head of the male die and the groove of the female die tightly press the sample to be tested to a set fixed clearance value; (3) the jaw of the tensile testing machine provides tensile force, so that a tested sample passes through a space between a pressure head of the male die and a groove of the female die at a constant speed, and the passing length is 150 mm; (4) testing the mass loss of the tested sample before and after passing;
the pressure method test process comprises the following steps: (1) clamping the tested sample by using a jaw of a tensile testing machine, and enabling the jaw of the testing machine to move downwards along with the tested sample, so that the tested sample passes through a space between a pressure head of a male die and a groove of a female die; (2) adjusting the movement of the punch holder and the pressure head of the male die to enable the pressure head of the male die and the groove of the female die to tightly press the sample to be tested and set the pressure head and the groove to a fixed pressure value; (3) the jaw of the tensile testing machine provides tensile force, so that a tested sample passes through a space between a pressure head of the male die and a groove of the female die at a constant speed, and the passing length is 150 mm; (4) testing the mass loss of the tested sample before and after passing;
evaluation method of coating adhesion strength: (1) the tested sample is pulled between the pressure head of the male die and the groove of the female die, and the coating does not obviously peel off, namely the tested sample is good; (2) the tested sample is pulled between the pressure head of the male die and the groove of the female die, and the quality loss of the coating is less than or equal to 1 percent, namely the coating is qualified; (3) the tested sample is pulled between the pressure head of the male die and the groove of the female die, and the quality loss of the coating is more than 1 percent, namely worse.
In practical application, the utility model comprises a jaw of a tensile testing machine, which is used for providing tensile force for a tested sample test; the device comprises a fixed female die, a movable male die holder and a male die arranged on the male die holder and used for providing normal pressure perpendicular to the direction of a tested sample. The test method can be divided into a gap method and a pressure method, wherein the gap method is characterized in that a tested sample is stretched to pass through a die by adjusting a fixed gap between a male die and a female die, and when enough length of the tested sample passes through the die, the surface of the tested sample is observed and the quality loss of the tested sample is tested; the pressure method is characterized in that a male die and a female die are adjusted to apply a fixed load to a sample between the two dies, and a jaw of a tensile testing machine clamps the sample and then applies a tensile force to ensure that the sample has enough length and passes between the dies at a constant speed, so that the quality loss of the sample is tested.
The utility model discloses rational in infrastructure, convenient to use can be used for the test of cladding material adhesion strength of various cladding material panel, and its test result provides certain data support in to panel actual punching press.
Claims (4)
1. The utility model provides a test die structure for detecting cladding material plate coating adhesion strength which characterized in that: the device comprises a jaw (1) of a tensile testing machine, a tested sample (2), a female die (3), a male die holder (4) and a male die (5), wherein the tested sample (2) is a metal plate with a coating, the tested sample (2) is clamped in the jaw (1) of the tensile testing machine, and the male die holder (4) and the female die (3) vertically pass through; a groove is formed in the female die (3), a pressure head is arranged on the male die (5), the pressure head of the male die (5) is matched with the groove of the female die (3), the sample to be tested (2) is pressed by the pressure head of the male die (5) and the groove of the female die (3), the length of the pressure head and the groove in the horizontal direction is larger than the width of the sample to be tested (2), a gap is reserved between the pressure head of the male die (5) and the groove of the female die (3), and the gap is matched with the thickness of the sample to be tested (2); the female die (3) is a fixed die, the male die (5) is fixed on a male die holder (4), the male die holder (4) is a movable die, the moving direction of the movable die is perpendicular to the plane of the tested sample (2), and the male die holder (4) drives the male die (5) to be matched with or separated from the groove.
2. The test mold structure for detecting the adhesion strength of the coating of the coated sheet material according to claim 1, wherein: and a gap between the pressure head of the male die (5) and the groove of the female die (3) is adjustable.
3. The test mold structure for detecting the adhesion strength of the coating of the coated sheet material according to claim 1, wherein: the length of the tested sample (2) passing through the space between the pressure head of the male die (5) and the groove of the female die (3) is 150 mm.
4. The test mold structure for detecting the adhesion strength of the coating of the coated sheet material according to claim 1, wherein: the tested sample (2) has the size of 50mm thick, 500mm wide, flat shape and smooth and burr-free edge.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202020579374.4U CN212872161U (en) | 2020-04-17 | 2020-04-17 | Test die structure for detecting coating adhesion strength of coating plate |
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CN202020579374.4U CN212872161U (en) | 2020-04-17 | 2020-04-17 | Test die structure for detecting coating adhesion strength of coating plate |
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CN212872161U true CN212872161U (en) | 2021-04-02 |
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CN202020579374.4U Expired - Fee Related CN212872161U (en) | 2020-04-17 | 2020-04-17 | Test die structure for detecting coating adhesion strength of coating plate |
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2020
- 2020-04-17 CN CN202020579374.4U patent/CN212872161U/en not_active Expired - Fee Related
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Granted publication date: 20210402 |
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