CN210720115U - Centering device for adhesion test of colored paint and varnish by pulling method - Google Patents
Centering device for adhesion test of colored paint and varnish by pulling method Download PDFInfo
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- CN210720115U CN210720115U CN201920858035.7U CN201920858035U CN210720115U CN 210720115 U CN210720115 U CN 210720115U CN 201920858035 U CN201920858035 U CN 201920858035U CN 210720115 U CN210720115 U CN 210720115U
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Abstract
The utility model relates to a colored paint and varnish pulling method adhesion force test centering device, which comprises a base, a guide rail fixed on the base, a first sliding table and a second sliding table which are all arranged on the guide rail in a sliding way, a first test column arranged on the first sliding table in a detachable way, a second test column arranged on the second sliding table in a detachable way, and a test plate; be equipped with first centering frame on the first slip table, be equipped with first locating hole on the first centering frame, be equipped with second centering frame on the second slip table, be equipped with the second locating hole on the second centering frame, the axis in first locating hole and the axis of second locating hole are located same straight line, first examination post passes first locating hole and detachable the installation on first centering frame, second examination post passes second locating hole and detachable the installation on second centering frame, first examination post and the both ends of second examination post branch examination board, two terminal surfaces of examination board respectively with the terminal surface of first examination post and the terminal surface contact of second examination post. The utility model belongs to the technical field of adhesive force test piece centering device.
Description
Technical Field
The utility model relates to an adhesive force test piece centering device's technical field especially relates to colored paint and varnish pull open method adhesive force test centering device.
Background
9.4.1 in the experiment combination of 9.4 of national standard GB/T5210-2006/ISO4624:200 paint and varnish pull-open method adhesion test requires that test columns positioned in the center of a test plate are coaxially arranged when being bonded with the test plate, and the centering pin hole positions of the two test columns are parallel. The centering device in GB/T5210-2006 adhesion test by paint and varnish pulling method utilizes a centering pin and two round holes arranged in the middle to center the test column, so that the two test columns have the same axis. When the device is used for centering two test columns, the defect of precision exists, and if the two test columns are not coaxially arranged and the hole positions of the centering pin are not parallel, the manufactured sample cannot be aligned with the hole positions at two ends of a tensile machine, so that the adhesion test of a colored paint and varnish drawing method cannot be carried out. Or even if the sample can be aligned with the hole sites at the two ends of the tensile machine and still has certain deviation, the original pulling test is changed into a tearing process, so that the quality of the test result of the adhesive force of the colored paint or the varnish between the two test columns is reduced.
SUMMERY OF THE UTILITY MODEL
To the technical problem who exists among the prior art, the utility model aims at: the utility model provides a colored paint and varnish pull open method adhesion test centering device can guarantee that first examination post, second examination post remain coaxial center and arrange all the time when first examination post, second examination post bond with the test panel, and actual operation is simple, labour saving and time saving.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a centering device for adhesion test of colored paint and varnish by pulling method comprises a base, a guide rail fixed on the base, a first sliding table and a second sliding table which are all installed on the guide rail in a sliding manner, a first test column which is installed on the first sliding table in a detachable manner, a second test column which is installed on the second sliding table in a detachable manner, and a test plate.
Be equipped with first centering frame on the first slip table, be equipped with first locating hole on the first centering frame, be equipped with second centering frame on the second slip table, be equipped with the second locating hole on the second centering frame, the axis in first locating hole and the axis of second locating hole are located same straight line, first examination post passes first locating hole and detachable the installation on first centering frame, second examination post passes second locating hole and detachable the installation on second centering frame, first examination post and the both ends of second examination post branch examination board, two terminal surfaces of examination board respectively with the terminal surface of first examination post and the terminal surface contact of second examination post. First examination post, second are tried the post and are all passed through glue respectively with two up and down terminal surface fixed connection of examination board, first examination post, second are tried post and examination board and are bonded into a test piece. When the test piece is used for the pull-open method experiment, the first test column and the second test column are kept coaxial, so that the pull-open test can be prevented from being changed into a tearing test, and the accuracy of the test is ensured.
Further, the method comprises the following steps: the centering device for the adhesion test of the colored paint and varnish by the pull-open method also comprises a positioning pin; all be equipped with the through-hole on the circumference side of first examination post and on the circumference side of second examination post, all be equipped with the pinhole on the inner wall of first locating hole and second locating hole, the locating pin passes through-hole and pinhole, and first examination post passes through the locating pin and detachably installs on first centering rack, and the second is tried the post and passes through the detachable installation on the second centering rack of locating pin. And fixedly connecting the second test column with any position of the end face of the test board, then installing the second test column fixedly connected with the test board on a second centering frame through a positioning pin, and then installing the first test column on the first centering frame and fixedly connecting the first test column with the test board by using glue.
Further, the method comprises the following steps: the first positioning hole and the second positioning hole are semicircular round holes, the diameter of the first positioning hole, the diameter of the second positioning hole, the diameter of the first test column and the diameter of the second test column are equal, and the positioning pins penetrate into the through holes and the pin holes in sequence. The semicircular round hole is convenient for the installation and the disassembly of the positioning pin.
Further, the method comprises the following steps: still be equipped with first auxiliary frame on the first slip table, be equipped with first auxiliary hole on the first auxiliary frame, still be equipped with the second auxiliary frame on the second slip table, be equipped with the second auxiliary hole on the second auxiliary frame, the axis of first auxiliary hole, the axis of second auxiliary hole, the axis of first locating hole, the axis of second locating hole all is located same straight line, the diameter of first locating hole, the diameter of second locating hole, the diameter of first examination post, the diameter of second examination post, the diameter of first auxiliary hole, the diameter of second auxiliary hole is equal. The first auxiliary frame and the second auxiliary frame enable the accuracy of the coaxiality of the first test column and the second test column to be kept higher.
Further, the method comprises the following steps: first centering frame, first auxiliary frame all pass through the bolt fastening on first slip table, and second centering frame, second auxiliary frame all pass through the bolt fastening on the second slip table. The first centering frame, the first auxiliary frame, the second centering frame and the second auxiliary frame can be detached and replaced, and maintenance and replacement are facilitated.
Further, the method comprises the following steps: the vertical setting of guide rail is fixed on the base, and first slip table and second slip table are from last to down slidingtype in proper order and are installed on the guide rail. The distance between first slip table and the second slip table can try the length of post and second to try the post according to first.
Further, the method comprises the following steps: first centering frame, first auxiliary frame from last down fix in proper order on first slip table, and second centering frame, second auxiliary frame from down up fix in proper order on the second slip table. The first test column and the second test column are convenient to install and keep coaxial.
Further, the method comprises the following steps: the guide rail is an inner clamping type double-axis guide rail. The double-axis guide rail is light in weight and convenient to install, and can effectively reduce the influence of impurities such as dust and scraps.
Further, the method comprises the following steps: the centering device for the adhesion test of the colored paint and varnish by the pull-open method also comprises a ribbed plate; the base and the guide rail are fixedly connected with the ribbed slab. The base is more stable in connection with the guide rail, and the strength of the base and the guide rail is enhanced.
In general, the utility model has the advantages as follows:
this colored paint and varnish pull open method adhesion test centering device can make the work piece that is used for pulling open method adhesion test, through first auxiliary hole, first locating hole, the location of second locating hole, glue the second and try post and first examination post and glue two terminal surfaces at the examination board and make first examination post and second try the post and keep coaxial, treat that first examination post and second try the post and all can take off after the test piece that becomes an organic whole with examination board bonding, take the test piece out tensile force detection device at last and just can detect the colored paint on the examination board and the adhesion force that the varnish pulled. Pass through-hole and pinhole through the locating pin for locating pin on the first examination post and the locating pin on the second examination post keep parallel, and first slip table and second slip table can slide from top to bottom in order to adjust the height of first examination post and second examination post. This device can make first examination post and the second examination post of test piece keep coaxial, has avoided because first examination post and second examination post axle center are different and lead to pulling open the test and become the tear test, improves the test accuracy that the lacquer and the varnish of test piece pulled open the method adhesive force test. Meanwhile, the device has simple and light structure, simple installation and maintenance and safer use.
Drawings
FIG. 1 is a schematic structural diagram of a centering device for a paint and varnish pull-apart adhesion test.
Fig. 2 is a schematic structural diagram of the base, the guide rail, the first sliding table and the second sliding table.
FIG. 3 is a schematic view of the first test column, the test plate, and the second test column.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
To facilitate a uniform view of the various reference numbers within the drawings, reference numbers appearing in the drawings are now described collectively as follows:
1 is the base, 2 is the guide rail, 3 is first slip table, 4 is the second slip table, 5 is first examination post, 6 is the second examination post, 7 is the examination board, 8 is first centring holder, 9 is first locating hole, 10 is the second centring holder, 11 is the second locating hole, 12 is the locating pin, 13 is the through-hole, 14 is the pinhole, 15 is first auxiliary frame, 16 is first auxiliary hole, 17 is the second auxiliary frame, 18 is the second auxiliary hole, 19 is the floor.
Referring to fig. 1, 2 and 3, the adhesion test centering device for color paint and varnish by pulling method comprises a base, a guide rail fixed on the base, a first sliding table and a second sliding table both slidably mounted on the guide rail, a first test column detachably mounted on the first sliding table, a second test column detachably mounted on the second sliding table, and a test plate; the test board is coated with a colored paint layer or a varnish layer, and the first sliding table and the second sliding table can slide on the guide rail.
The first centering frame is arranged on the first sliding table, the first positioning hole is formed in the first centering frame, the second centering frame is arranged on the second sliding table, the second positioning hole is formed in the second centering frame, the axis of the first positioning hole and the axis of the second positioning hole are located on the same straight line, the axis direction of the first positioning hole is consistent with the sliding direction (vertical direction) of the first sliding table, the axis direction of the second positioning hole is consistent with the sliding direction (vertical direction) of the second sliding table, and the distance between the first centering frame and the second centering frame can be adjusted by adjusting the distance between the first sliding table and the second sliding table. The first test column penetrates through the first positioning hole and is detachably mounted on the first centering frame, and the second test column penetrates through the second positioning hole and is detachably mounted on the second centering frame. The first test column and the second test column are respectively arranged at two ends of the test plate, and two end faces of the test plate are respectively contacted with the end face of the first test column and the end face of the second test column. The first test column and the second test column are fixedly connected with the upper end face and the lower end face of the test plate respectively through glue, one end of the first test column is installed in a first positioning hole of a first centering frame, the other end of the first test column is fixedly connected with the upper end face of the test plate through glue, one end of the second test column is installed in a second positioning hole of a second centering frame, the other end of the second test column is fixedly connected with the lower end face of the test plate through glue, the first test column, the second test column and the test plate are bonded into a test piece, the first test column and the second test column are respectively arranged at two ends of the test plate, the first test column and the second test column are coaxial, and when the test piece is used for performing a pull-open method adhesion test on a tensile machine, the tensile machine can test the adhesion force of varnish or colored paint on the test plate only by pulling the first test column and the second test column. When the test piece is used for the pull-open method experiment, the first test column and the second test column are kept coaxial, so that the pull-open test can be prevented from being changed into a tearing test, and the accuracy of the test is ensured.
The existing experimental method generally adopts manual work to directly bond the first test column and the second test column at two ends of a test plate, but the method hardly ensures that the two test columns are coaxial, and finally, the experimental data made by the test piece is inaccurate, so the device solves the previous problem, ensures that the test piece in the experiment can ensure that the bonded first test column and the bonded second test column are coaxial, and ensures the reliability and the accuracy of the experiment.
The centering device for the adhesion test of the colored paint and varnish by the pull-open method also comprises a positioning pin; all be equipped with the through-hole on the circumference side of first examination post and on the circumference side of second examination post, all be equipped with the pinhole on the inner wall of first locating hole and second locating hole, the locating pin passes through-hole and pinhole, and first examination post passes through the locating pin and detachably installs on first centering rack, and the second is tried the post and passes through the detachable installation on the second centering rack of locating pin. The one end of first examination post and the one end of second examination post all are equipped with the through-hole, align through-hole and aperture, pass through-hole and pinhole with the locating pin at last and just can install first examination post and second examination post respectively on first centering rack and second centering rack, and first examination post and second examination post can be fixed to the locating pin, waits for glue to solidify the back, pulls out the locating pin and just can dismantle first examination post and second examination post, realizes detachable installation.
The first positioning hole and the second positioning hole are semicircular round holes, the diameter of the first positioning hole, the diameter of the second positioning hole, the diameter of the first test column and the diameter of the second test column are equal, and the positioning pins penetrate into the through holes and the pin holes in sequence. The locating pin passes the through-hole earlier and pierces into the pinhole, and the diameter homoenergetic of locating pin and through-hole and pinhole equals, and first locating hole and second locating hole are the installation and the dismantlement that the locating pin can be convenient for of semicircle round hole, and the design becomes the alignment that semicircle round hole can do benefit to through-hole and pinhole, and the locating pin of being convenient for passes.
Still be equipped with first auxiliary frame on the first slip table, be equipped with first auxiliary hole on the first auxiliary frame, still be equipped with the second auxiliary frame on the second slip table, be equipped with the second auxiliary hole on the second auxiliary frame, the axis of first auxiliary hole, the axis of second auxiliary hole, the axis of first locating hole, the axis of second locating hole all are located same straight line, and first auxiliary frame can guarantee that first examination post keeps vertical state, avoids first examination post to take place the slope. The second auxiliary frame can guarantee that the second tries the post and keeps vertical state, avoids the second to try the post to take place the slope. The diameter of the first positioning hole, the diameter of the second positioning hole, the diameter of the first test column, the diameter of the second test column, the diameter of the first auxiliary hole and the diameter of the second auxiliary hole are equal. The first auxiliary frame and the second auxiliary frame can more accurately keep the first test column and the second test column on the same vertical line and coaxial, and the first auxiliary frame and the second auxiliary frame enable the first test column and the second test column to be kept coaxial more accurately.
First centering frame, first auxiliary frame all pass through the bolt fastening on first slip table, and second centering frame, second auxiliary frame all pass through the bolt fastening on the second slip table. The first centering frame, the first auxiliary frame, the second centering frame and the second auxiliary frame can be detached and replaced, and maintenance and replacement are facilitated. When the diameter of the test column is changed, different first centering racks, first auxiliary centering racks, second auxiliary centering racks and second auxiliary racks can be replaced.
The vertical setting of guide rail is fixed on the base, and first slip table and second slip table are from last to down slidingtype in proper order and are installed on the guide rail. The distance between first slip table and the second slip table can try the length of post and second to try the post according to first. When the test board is mounted and bonded, the distance between the first test column and the second test column can be changed by adjusting the positions of the first sliding table and the second sliding table, so that the first test column and the second test column are respectively in contact with the upper end face and the lower end face of the test board, and finally glue is coated. After glue condenses, extracts the locating pin, removes first slip table and second slip table and just can take off the first examination post and the second examination post and the examination board that bond an organic whole.
First centering frame, first auxiliary frame from last down fix in proper order on first slip table, and second centering frame, second auxiliary frame from down up fix in proper order on the second slip table. The test panel is located between first auxiliary frame and the second auxiliary frame, and first auxiliary frame is in the second auxiliary frame top, and first auxiliary frame and second auxiliary frame all are located between first centering frame and the second centering frame, are located the top of second slip table on the first slip table. When a test piece is bonded, a second test column which is bonded with the lower end face of a test plate in advance sequentially penetrates through the second auxiliary frame and the second centering frame from top to bottom, and is fixed in the second positioning hole by the positioning pin at last, a first test column sequentially penetrates through the first centering frame and the first auxiliary frame from top to bottom, the first test column is fixed in the first positioning hole by the positioning pin when the lower end face of the first test column is contacted with the upper end face of the test plate, and glue is coated on the contacted position to wait for glue solidification.
The guide rail is an inner clamping type double-axis guide rail. Biax heart guide rail light in weight, simple to operate, first slip table go up with the pulley of second slip table be located inside the guide rail, so can effectual reduction dust, sweeps the influence of impurity such as life of improvement guide rail.
The centering device for the adhesion test of the colored paint and varnish by the pull-open method also comprises a ribbed plate; the base and the guide rail are fixedly connected with the ribbed slab. The upper surface of base and the back of guide rail all with floor fixed connection, the floor makes the base more stable with being connected of guide rail, strengthens the intensity of base and guide rail.
The device is used for adhering a first test column and a second test column on a test board through glue, keeping the first test column and the second test column coaxial, then pulling the first test column and the second test column on a tensile machine, displaying pulling force change when the tensile machine is pulled, finally testing the adhesive force of paint on the test board by the tensile machine, and the method for testing the adhesive force of the paint on the test board by the tensile machine belongs to the prior technical means.
The working principle of the centering device for the adhesion test of the colored paint and varnish by the pulling method is as follows: the surface of the test plate is coated with colored paint or varnish, a second test column and one surface of the test plate are directly adhered by glue, then the second test column passes through a second centering frame and a second auxiliary frame, the test plate is positioned above the second test column, and then a positioning pin passes through a through hole and a pin hole to fix the second test column in the positioning hole of the second centering frame; then, the first test column penetrates through the first centering frame and the first auxiliary frame, and a positioning pin penetrates through the through hole and the pin hole to fix the first test column in the positioning hole of the first centering frame; adjust the position of first slip table and second slip table for the lower extreme of first examination post and the up end contact of examination board, in the whole process, first examination post and second are tried the post all the time on same vertical line, and first examination post and second are tried the post and are coaxial all the time promptly, then scribble glue at the contact point of first examination post and examination board, wait that glue solidifies and can dismantle the locating pin, take off the test piece that is formed by first examination post, examination board and second examination post at last. The test piece can be used for testing the adhesive force of the colored paint and the varnish by taking a tensile machine, the glue has an auxiliary effect and is mainly used for pulling off a paint layer, and the adhesive force of the glue is greater than that of the paint. In current test piece manufacture process, glue dries out and to be needed 24 hours sometimes for very long time, like this, current device or method are at the process that glue solidifies, and the dead axle center of examination post is unreliable, tries the post through a period of time and probably has slowly leaned on, first examination post and second examination post will not be coaxial promptly, and in the time of not coaxial, the pulling force direction of tensile test can squint, will become to tear the test, causes the tensile test data inaccurate, and the result of adhesive force test promptly has the deviation.
The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.
Claims (9)
1. Colored paint and varnish pull open method adhesion test centering device, its characterized in that: the device comprises a base, a guide rail fixed on the base, a first sliding table, a second sliding table, a first test column, a second test column and a test plate, wherein the first sliding table and the second sliding table are both arranged on the guide rail in a sliding manner;
be equipped with first centering frame on the first slip table, be equipped with first locating hole on the first centering frame, be equipped with second centering frame on the second slip table, be equipped with the second locating hole on the second centering frame, the axis in first locating hole and the axis of second locating hole are located same straight line, first examination post passes first locating hole and detachable the installation on first centering frame, second examination post passes second locating hole and detachable the installation on second centering frame, first examination post and the both ends of second examination post branch examination board, two terminal surfaces of examination board respectively with the terminal surface of first examination post and the terminal surface contact of second examination post.
2. A paint and varnish pull-apart adhesion test centering device as claimed in claim 1, wherein: the centering device for the adhesion test of the colored paint and varnish by the pull-open method also comprises a positioning pin; all be equipped with the through-hole on the circumference side of first examination post and on the circumference side of second examination post, all be equipped with the pinhole on the inner wall of first locating hole and second locating hole, the locating pin passes through-hole and pinhole, and first examination post passes through the locating pin and detachably installs on first centering rack, and the second is tried the post and passes through the detachable installation on the second centering rack of locating pin.
3. A paint and varnish pull-apart adhesion test centering device as claimed in claim 2, wherein: the first positioning hole and the second positioning hole are semicircular round holes, the diameter of the first positioning hole, the diameter of the second positioning hole, the diameter of the first test column and the diameter of the second test column are equal, and the positioning pins penetrate into the through holes and the pin holes in sequence.
4. A paint and varnish pull-apart adhesion test centering device as claimed in claim 1, wherein: still be equipped with first auxiliary frame on the first slip table, be equipped with first auxiliary hole on the first auxiliary frame, still be equipped with the second auxiliary frame on the second slip table, be equipped with the second auxiliary hole on the second auxiliary frame, the axis of first auxiliary hole, the axis of second auxiliary hole, the axis of first locating hole, the axis of second locating hole all is located same straight line, the diameter of first locating hole, the diameter of second locating hole, the diameter of first examination post, the diameter of second examination post, the diameter of first auxiliary hole, the diameter of second auxiliary hole is equal.
5. A paint and varnish pull-apart adhesion test centering device according to claim 4, wherein: first centering frame, first auxiliary frame all pass through the bolt fastening on first slip table, and second centering frame, second auxiliary frame all pass through the bolt fastening on the second slip table.
6. A paint and varnish pull-apart adhesion test centering device according to claim 5, wherein: the vertical setting of guide rail is fixed on the base, and first slip table and second slip table are from last to down slidingtype in proper order and are installed on the guide rail.
7. A paint and varnish pull-apart adhesion test centering device according to claim 6, wherein: first centering frame, first auxiliary frame from last down fix in proper order on first slip table, and second centering frame, second auxiliary frame from down up fix in proper order on the second slip table.
8. A paint and varnish pull-apart adhesion test centering device as claimed in claim 1, wherein: the guide rail is an inner clamping type double-axis guide rail.
9. A paint and varnish pull-apart adhesion test centering device as claimed in claim 8, wherein: the centering device for the adhesion test of the colored paint and varnish by the pull-open method also comprises a ribbed plate; the base and the guide rail are fixedly connected with the ribbed slab.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920858035.7U CN210720115U (en) | 2019-06-10 | 2019-06-10 | Centering device for adhesion test of colored paint and varnish by pulling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920858035.7U CN210720115U (en) | 2019-06-10 | 2019-06-10 | Centering device for adhesion test of colored paint and varnish by pulling method |
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| Publication Number | Publication Date |
|---|---|
| CN210720115U true CN210720115U (en) | 2020-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920858035.7U Active CN210720115U (en) | 2019-06-10 | 2019-06-10 | Centering device for adhesion test of colored paint and varnish by pulling method |
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| Country | Link |
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| CN (1) | CN210720115U (en) |
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Address after: G7-5, science and technology innovation center, Liangjiang New Area, 74 Yunhe Road, Beibei District, Chongqing 400700 Patentee after: Zhongke Testing Technology Service (Chongqing) Co.,Ltd. Patentee after: ZHONGKE GUANGHUA (CHONGQING) NEW MATERIAL RESEARCH INSTITUTE Co.,Ltd. Patentee after: Zhongke Testing Technology Service (Guangzhou) Co.,Ltd. Patentee after: CAS GUANGZHOU CHEMISTRY Co.,Ltd. Address before: G7-5, science and technology innovation center, Liangjiang New Area, 74 Yunhe Road, Beibei District, Chongqing 400700 Patentee before: CHONGQING CAS TESTING TECHNOLOGY SERVICES Co.,Ltd. Patentee before: ZHONGKE GUANGHUA (CHONGQING) NEW MATERIAL RESEARCH INSTITUTE Co.,Ltd. Patentee before: GUANGZHOU CAS TESTING TECHNOLOGY SERVICE Co.,Ltd. Patentee before: CAS GUANGZHOU CHEMISTRY Co.,Ltd. |
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