Nicking tool clamp for coating film test
By designing a cutting tool fixture for coating testing, automatic switching and accurate scoring are achieved, solving the problem of inaccurate coating test results caused by manual scoring, and improving the accuracy of coating adhesion testing.
Patent Information
- Application Number
- CN202420917128.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-29
- Publication Date
- 2025-02-11
- Estimated Expiration
- 2034-04-29
AI Technical Summary
In the existing coating adhesion testing methods, manual scribing of the film layer causes inconsistency in size of a hundred grids, affecting the test results, and it is easy to cause the film layer to fall off when adhering with 3M tape.
Design a knives clamp for coating testing, including wide knives, sharp knives, elastics, top holders and shells, and controls the top holder stamping by a robot to allow wide knives and sharp knives to alternate in the shell. Sheathing, realizes automatic switching and accurate marking.
The accuracy of the adhesion test results of the coating layer is improved, ensuring that the spacing between each cutting knife is equal, and the grids with equal intervals can be accurately drawn on the coating layer, thereby testing the stability of the coating more accurately.
Smart Images
Figure CN222461296U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of fixtures, in particular to a knife fixture used for coating testing. Background Art
[0002] In the prior art, after the touch screen and display are manufactured, the adhesion test of the coating film layer is required before they are shipped out of the factory. The test is usually carried out by marking one hundred square grids on the film layer. The current test method is to use a blade and a ruler to draw one hundred grids on the film layer, and then use 3M tape to stick each grid to determine the adhesion. Since personnel need to use a ruler to mark the film layer, the size of the hundred grids is inconsistent, which affects the test results.
[0003] If the spacing between the grids is small, the 3M tape will easily adhere and increase the probability of the film falling off. If the spacing between the grids is large, the adhesion result will be inaccurate. In addition, the area of the grids marked by the staff is inconsistent, which affects the test results, and there is a risk that the ruler will scratch the product. Utility Model Content
[0004] The utility model aims to overcome the shortcomings of the prior art and provide a knife fixture for coating test.
[0005] The purpose of this utility model is achieved through the following technical solutions:
[0006] A knife fixture for coating testing, characterized in that it comprises: at least two wide knifes, at least two sharp knifes, a first elastic member, a second elastic member, a top holding member and a shell, wherein the wide knife comprises a wide knife head and a first conductive column, and the wide knife head is connected to one end of the first conductive column; the sharp knife comprises a sharp knife head and a second conductive column, and the sharp knife head is connected to one end of the second conductive column; the first elastic member is sleeved on the first conductive column; the second elastic member is sleeved on the second conductive column; a wide knife movable cavity and a sharp knife movable cavity with upper and lower openings are provided in the shell, and the top ends of the wide knife movable cavity and the sharp knife movable cavity both extend out of limiting rings, and the limiting rings are provided with There is a through groove, the first elastic member and the wide carving knife are arranged in the wide carving knife movable cavity, the second elastic member and the sharp carving knife are arranged in the sharp carving knife movable cavity, the limiting ring limits the first conductive column and the second conductive column respectively, the bottom of the first elastic member abuts against the bottom of the wide carving knife movable cavity, the top of the first elastic member abuts against the first conductive column, the second elastic member abuts against the bottom of the sharp carving knife movable cavity, and a plurality of supporting columns are arranged on the supporting member, and an external manipulator controls the supporting column on the supporting member to punch toward the first conductive column or the second conductive column in the through groove, so that the wide carving knife and the sharp carving knife can be alternately unsheathed in the shell.
[0007] In one embodiment, the wide carving knife and the sharp carving knife are arranged at equal intervals.
[0008] In one embodiment, the number of the wide carving knives and the number of the sharp carving knives are both 10, two of the wide carving knives and two of the sharp carving knives form a group, and each group of the wide carving knives and the sharp carving knives are arranged in parallel.
[0009] In one embodiment, the first elastic member and the second elastic member are springs.
[0010] In one embodiment, the supporting column is a cylindrical structure.
[0011] In one embodiment, a limiting portion of the first elastic member is disposed at the bottom of the wide carving knife movable cavity, and a limiting portion of the second elastic member is disposed at the bottom of the sharp carving knife movable cavity.
[0012] In one embodiment, the height of the second conductive pillar is greater than the height of the first conductive pillar.
[0013] In one embodiment, the wide carving knife and the pointed carving knife are arranged side by side.
[0014] In one embodiment, the wide blade head and the sharp blade head are in a cone shape.
[0015] In one embodiment, a bottom diameter of the first conductive pillar is greater than a bottom diameter of the second conductive pillar.
[0016] Compared with the prior art, the utility model has at least the following advantages:
[0017] 1. The utility model is a knife fixture for coating test, which is provided with a wide knife, a sharp knife, a first elastic member, a second elastic member, a top holding member and a shell. A wide knife movable cavity and a sharp knife movable cavity with upper and lower openings are provided in the shell. The first elastic member and the wide knife are arranged in the wide knife movable cavity, and the second elastic member and the sharp knife are arranged in the sharp knife movable cavity. A plurality of top holding columns are arranged on the top holding member, and an external manipulator controls the top holding columns on the top holding member to punch toward the first conductive column or the second conductive column in the through groove, so that the wide knife and the sharp knife can be alternately unsheathed in the shell, thereby completing the switching between the wide knife and the sharp knife, so that the wide knife and the sharp knife can be assembled in one fixture, without replacing the fixtures of the wide knife and the sharp knife.
[0018] 2. The engraving fixture used for coating testing replaces manual engraving of the coating layer, improving the accuracy of the coating layer adhesion test results.
[0019] 3. The spacing between each wide carving knife and each sharp carving knife is equal, so that equally spaced groove lines or coating grids of the same area can be drawn on the cover plate, and the stability of the coating can be accurately tested, thereby further improving the accuracy of the coating adhesion test. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for use in the embodiments are briefly introduced below.
[0021] Figure 1 It is a structural schematic diagram of a cutting tool fixture and a coating layer for coating testing in one embodiment of the utility model;
[0022] Figure 2 for Figure 1 A is a schematic diagram of the partially enlarged structure of the middle part;
[0023] Figure 3 for Figure 1 A schematic diagram of the partially enlarged structure of B in the middle;
[0024] Figure 4 It is a schematic structural diagram of a cutting tool fixture for coating testing in a stamping state in one embodiment of the utility model.
[0025] Reference numerals:
[0026] Wide carving knife 10, wide knife head 11, first conductive column 12, first elastic member 13, sharp carving knife 20, sharp knife head 21, second conductive column 22, second elastic member 23, shell 30, limiting ring 31, limiting part 32, supporting member 40, supporting column 41, coating layer 50. DETAILED DESCRIPTION
[0027] In order to facilitate the understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings.
[0028] The present application proposes a knife fixture for coating test, comprising: a wide knife 10, a sharp knife 20, a first elastic member 13, a second elastic member 23, a top holding member 40 and a shell 30. The shell 30 is provided with a wide knife movable chamber and a sharp knife movable chamber with upper and lower openings. The first elastic member 13 and the wide knife 10 are arranged in the wide knife movable chamber, and the second elastic member 23 and the sharp knife 20 are arranged in the sharp knife movable chamber. A plurality of top holding columns 41 are arranged on the top holding member 40, and an external manipulator controls the top holding columns 41 on the top holding member 40 to punch toward the first conductive column 12 or the second conductive column 22 in the through groove, so that the wide knife 10 and the sharp knife 20 can be alternately unsheathed in the shell 30, thereby completing the switching of the wide knife 10 and the sharp knife 20, so that the wide knife 10 and the sharp knife 20 can be assembled in one fixture without replacing the fixtures of the wide knife 10 and the sharp knife 20.
[0029] See also Figure 1 and Figure 4 The wide engraving knife 10 includes a wide knife head 11 and a first conductive column 12, and the wide knife head 11 is connected to one end of the first conductive column 12. The head of the wide knife head 11 is relatively sharp and is used for engraving the coating. The wide knife head 11 is connected to one end of the first conductive column 12, and the other end abuts against the limit ring 31. The first elastic member 13 is sleeved on the first conductive column 12. The sharp engraving knife 20 includes a sharp knife head 21 and a second conductive column 22, and the head of the sharp knife head 21 is relatively sharp and is used for engraving the coating. The sharp knife head 21 is connected to one end of the second conductive column 22, and the other end abuts against the limit ring 31. The second elastic member 23 is sleeved on the second conductive column 22. The first conductive column 12 and the second conductive column 22 are used to transmit missile force and pressure. Preferably, the first elastic member 13 and the second elastic member 23 are springs, which have low cost and can generate a certain elastic force through their own deformation. When the supporting column 41 is supported, the spring is compressed to a certain displacement so that the wide blade head 11 / the sharp blade head 21 can be unsheathed.
[0030] It should be noted that the width of the grooves engraved by the sharp knife head 21 and the wide knife head 11 are different. The head of the wide knife head 11 is wider than the head of the sharp knife head 21, so the width of the groove engraved by the wide knife head 11 is larger. The height of the sharp knife head 21 is greater than the height of the wide knife head 11, so that the depth of the straight groove engraved by the sharp knife head 21 on the coating is increased to test the performance of the coating adhesion. Therefore, the depth of the groove engraved by the sharp knife 20 is greater than the depth of the groove engraved by the wide knife 10. In the process of testing the adhesion of the coating, the sharp knife 20 and the wide knife 10 can engrave the coating layer 50 in turn to obtain a variety of test results of the adhesion of the coating layer 50, thereby improving the accuracy of the test results.
[0031] The housing 30 is movably mounted on the test device. The housing 30 is provided with a wide knife movable chamber and a sharp knife movable chamber with upper and lower openings. The wide knife movable chamber is used to accommodate the wide knife 10, and the wide knife 10 can be lifted and moved in the wide knife movable chamber. Similarly, the sharp knife movable chamber is used to accommodate the sharp knife 20, and the sharp knife 20 can be lifted and moved in the sharp knife movable chamber. Figure 3 The top of the wide carving knife movable cavity and the top of the sharp carving knife movable cavity both extend out of the limiting ring 31. Further, a through groove is provided in the limiting ring 31, and the first elastic member 13 and the wide carving knife 10 are arranged in the wide carving knife movable cavity. The second elastic member 23 and the sharp carving knife 20 are arranged in the sharp carving knife movable cavity. The limiting ring 31 limits the first conductive column 12 and the second conductive column 22 respectively, the bottom of the first elastic member 13 abuts against the bottom of the wide carving knife movable cavity, the top of the first elastic member 13 abuts against the first conductive column 12, and the second elastic member 23 abuts against the bottom of the sharp carving knife movable cavity.
[0032] Furthermore, a plurality of supporting columns 41 are provided on the supporting member 40, and the supporting columns 41 are cylindrical structures. The manipulator controls the supporting columns 41 on the supporting member 40 to punch the first conductive column 12 or the second conductive column 22 in the through groove on the housing 30, so that the wide carving knife 10 and the sharp carving knife 20 can be alternately unsheathed in the housing 30 to achieve switching.
[0033] Please note that Figure 1 and Figure 4 , a knife fixture for coating testing has two states:
[0034] State 1: In natural state, please refer to Figure 1 The wide carving knife 10 / pointed carving knife 20 compresses the first elastic member 13 / second elastic member 23 due to its own weight, and the first elastic member 13 / second elastic member 23 generates a rebound force due to its restoration to its original state, so as to lift up the wide carving knife 10 / pointed carving knife 20, thereby preventing the wide blade head 11 / pointed blade head 21 from being exposed outside the shell 30 and affecting the carving effect.
[0035] State 2: In stamping state, please refer to Figure 4 When the external manipulator controls the holding member 40 to press against the shell 30, the holding column 41 penetrates the through groove to hold the first conductive column 12, and the holding column 41 transmits pressure to the first conductive column 12 along the wide cutter activity cavity. The first elastic member 13 and the second elastic member 23 both have strong elasticity. The first elastic member 13 is further compressed due to the squeezing of the holding column 41, so that the first conductive column 12 drives the wide cutter head 11 to be exposed from the shell 30. When the wide cutter 10 completes the coating on a piece of glass, the manipulator grabs the holding member 40 to reset it. Due to the resilience of the first elastic member 13 itself to restore the original state, the wide cutter 10 returns to the sheath. Then, the staff replaces another coated glass. The external manipulator moves horizontally, so that the holding column 41 switches to hold the second conductive column 22. The second conductive column 22 transmits pressure to the second elastic member 23. The second elastic member 23 is further compressed due to being squeezed by the second conductive column 22 , so that the second conductive column 22 drives the sharp blade head 21 to be exposed from the housing 30 .
[0036] Finally, after the wide carving knife 10 or the pointed carving knife 20 is unsheathed from the shell 30, the wide blade head 11 / the pointed blade head 21 is held against the coating of the coated glass. The manipulator pushes the top holding member 40 to move horizontally, and the top holding member 40 drives the shell 30 and the wide carving knife 10 / the pointed carving knife 20 to carve straight grooves on the coating. After the wide carving knife 10 / the pointed carving knife 20 has carved the straight grooves, the manipulator drives the shell 30 to rotate 90 degrees on the spot, and again carves another straight groove on the coating of the coated glass, so that the two straight grooves are interwoven to form a square grid. The staff then uses a highly sticky 3M tape to adhere to the coating on each grid, and then by tearing off the 3M tape, observe whether the coating in the grid falls off with the 3M tape to determine the overall adhesion of the coating.
[0037] In one embodiment, the number of wide carving knives 10 and sharp carving knives 20 is set to 10, two wide carving knives 10 and two sharp carving knives 20 form a group, and each group of wide carving knives 10 and sharp carving knives 20 is arranged in parallel, so that the wide carving knives 10 and sharp carving knives 20 can scratch a larger area of coating, improving the scratching efficiency, and the wide carving knives 10 and sharp carving knives 20 are arranged at equal intervals, that is, the spacing between each wide carving knife 10 and each sharp carving knife 20 is equal, and evenly spaced groove lines or coating grids of the same area can be drawn on the cover plate, and then the stability of the coating can be accurately tested, thereby improving the accuracy of the coating adhesion test. Among them, the spacing between the wide carving knives 10 and the wide carving knives 10 is 1mm*1mm or 2mm*2mm, that is, the size of the grid is 1mm*1mm or 2mm*2mm, so that the coating grid is small enough to improve the accuracy of the test.
[0038] See also Figure 2 The bottom of the wide carving knife movable cavity is provided with a limiting portion 32 of the first elastic member 13, and the bottom of the sharp carving knife movable cavity is provided with a limiting portion 32 of the second elastic member 23 to compress the first elastic member 13 and the second elastic member 23.
[0039] Furthermore, the wide carving knife 10 and the sharp carving knife 20 are arranged side by side, so that the wide carving knife 10 and the sharp carving knife 20 are arranged neatly to carve a straight groove with the same depth and width.
[0040] In addition, the bottom diameter of the first conductive pillar 12 is greater than the bottom diameter of the second conductive pillar 22 , so that the interval between the wide blade head 11 and the sharp blade head 21 can be adjusted by the diameters of the first conductive pillar 12 and the second conductive pillar 22 .
[0041] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.
Claims
1. A knife fixture for coating testing, characterized in that: include: At least two wide carving knives, each of which comprises a wide knife head and a first conductive column, wherein the wide knife head is connected to one end of the first conductive column; At least two sharp carving knives, each of which comprises a sharp knife head and a second conductive column, wherein the sharp knife head is connected to one end of the second conductive column; a first elastic member, wherein the first elastic member is sleeved on the first conductive column; a second elastic member, wherein the second elastic member is sleeved on the second conductive column; A shell, wherein a wide carving knife movable cavity and a sharp carving knife movable cavity with upper and lower openings are provided in the shell, and limiting rings are extended from the tops of the wide carving knife movable cavity and the sharp carving knife movable cavity, and a through groove is provided in the limiting ring, the first elastic member and the wide carving knife are arranged in the wide carving knife movable cavity, the second elastic member and the sharp carving knife are arranged in the sharp carving knife movable cavity, and the limiting rings limit the first conductive column and the second conductive column respectively, the bottom of the first elastic member abuts against the bottom of the wide carving knife movable cavity, the top of the first elastic member abuts against the first conductive column, and the second elastic member abuts against the bottom of the sharp carving knife movable cavity, A supporting member is provided with a plurality of supporting columns, and an external manipulator controls the supporting columns on the supporting member to punch toward the first conductive column or the second conductive column in the through groove, so that the wide carving knife and the pointed carving knife can be alternately unsheathed in the shell.
2. The engraving tool fixture for coating test according to claim 1, characterized in that: The wide carving knife and the sharp carving knife are arranged at equal intervals.
3. The engraving tool fixture for coating test according to claim 1, characterized in that: The number of the wide carving knives and the number of the pointed carving knives are both 10, two wide carving knives and two pointed carving knives form a group, and the wide carving knives and the pointed carving knives in each group are arranged in parallel.
4. The engraving tool fixture for coating test according to claim 1, characterized in that: The first elastic member and the second elastic member are springs.
5. The engraving tool fixture for coating test according to claim 1, characterized in that: The supporting column is a cylindrical structure.
6. The engraving tool fixture for coating test according to claim 1, characterized in that: The bottom of the wide carving knife movable cavity is provided with a limiting portion of the first elastic member, and the bottom of the sharp carving knife movable cavity is provided with a limiting portion of the second elastic member.
7. The engraving tool fixture for coating test according to claim 1, characterized in that: The height of the second conductive pillar is greater than the height of the first conductive pillar.
8. The engraving tool fixture for coating test according to claim 1, characterized in that: The wide carving knife and the pointed carving knife are arranged side by side.
9. The engraving tool fixture for coating test according to claim 1, characterized in that: The wide blade head and the sharp blade head are in a cone shape.
10. The engraving tool fixture for coating test according to claim 1, characterized in that: A bottom diameter of the first conductive pillar is greater than a bottom diameter of the second conductive pillar.