CN205246513U - Coating adhesion detection device - Google Patents
Coating adhesion detection device Download PDFInfo
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- CN205246513U CN205246513U CN201521095299.XU CN201521095299U CN205246513U CN 205246513 U CN205246513 U CN 205246513U CN 201521095299 U CN201521095299 U CN 201521095299U CN 205246513 U CN205246513 U CN 205246513U
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- hydraulic
- fastening
- detection device
- cylinder
- quick plug
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- 239000011248 coating agent Substances 0.000 title claims abstract description 37
- 238000000576 coating method Methods 0.000 title claims abstract description 37
- 238000001514 detection method Methods 0.000 title claims abstract description 30
- 238000012360 testing method Methods 0.000 claims abstract description 31
- 230000005540 biological transmission Effects 0.000 claims abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 239000011343 solid material Substances 0.000 abstract description 18
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract 1
- 235000017491 Bambusa tulda Nutrition 0.000 abstract 1
- 241001330002 Bambuseae Species 0.000 abstract 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract 1
- 239000011425 bamboo Substances 0.000 abstract 1
- 239000012530 fluid Substances 0.000 abstract 1
- 239000003292 glue Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000004381 surface treatment Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model provides a coating adhesion detection device, it includes hydraulic transmission device, pulls out and draws detection device and pressure display device, and hydraulic transmission device draws detection device to be linked together through the fluid pressure line with pulling out, and pressure display device locates the ram pot top, after the test screw bonds with the solid material aspect of scribbling, with quick plug threaded connection and insert to pull out and draw inside the detection device, through tighten closing handle and the hydraulic medium of fastening rocker in to the ram pot exert pressure make walk to on it pull out a cylindricality section of thick bamboo that draws among the detection device in, because the hydraulic pressure that lasts effect, it plays the cylindricality bobbin top to support fixed piston, to test the screw gradually pulls out from the surface of solid material, the hydraulic medium is also exerted pressure to pressure display device simultaneously, thereby it rotates to drive the indicator, the reading calculates and gets coating adhesion promptly.
Description
Technical Field
The utility model belongs to the technical field of the solid material coating detects, concretely relates to coating adhesion strength detection device.
Background
At present, the detection means of the bonding condition of the coating after surface treatment is generally laggard, and the scribing method, the metallographic method, the adhesive tape bonding and tearing method and the like are mostly adopted. For example, the bonding condition of the coating can be judged by the condition that the coating is peeled off after being torn. However, these detection methods can only roughly qualitatively estimate how well the coating is bonded, and cannot give a specific value of the adhesion strength. In addition, the backward detection means also hinder the improvement and the improvement of the quality of the coating product to a certain extent, so that a device capable of quantitatively detecting the adhesion strength of the coating is urgently needed, and the quality of the bonding condition of the coating can be intuitively judged according to the adhesion strength of the coating.
Disclosure of Invention
An object of the utility model is to provide a coating adhesion strength detection device, the device can the quantitative determination solid material coating adhesion strength, the combination condition of survey coating and material.
The utility model discloses the technical scheme who adopts as follows:
a coating adhesion strength detection device comprises a hydraulic transmission device, a pull detection device and a pressure display device; wherein,
the hydraulic transmission device comprises a hydraulic cylinder, a fastening hand wheel and a fastening rocker, wherein the hydraulic cylinder is internally filled with a hydraulic medium, the fastening hand wheel is positioned at the bottom of the hydraulic cylinder, and the fastening hand wheel is in threaded connection with the bottom of the hydraulic cylinder; a fixing sleeve is sleeved outside the fastening rocker, the fastening rocker is in threaded connection with the fixing sleeve, an outward protruding opening is formed in the side wall of the hydraulic cylinder, the fixing sleeve and the fastening rocker extend into the protruding opening, and a rubber gasket is arranged between the fixing sleeve and the protruding opening;
the pull-out detection device comprises a cylindrical barrel, a supporting fixed piston, a fastening sleeve, a quick plug and a test screw, wherein the upper port of the cylindrical barrel is in a sealed design, the side wall of the cylindrical barrel is of a hollow structure, the bottom of the cylindrical barrel is uniformly provided with at least three holes for inserting the supporting fixed piston, and the inner side wall of the cylindrical barrel is provided with a clamping groove; the fastening sleeve comprises an inner cylinder and an outer cylinder sleeved outside the inner cylinder, at least two movable steel balls are symmetrically clamped between the inner cylinder and the outer cylinder, and the movable steel balls are partially exposed outside the inner cylinder; the side wall of the outer barrel is provided with a convex strip which is connected with the clamping groove in a vertical sliding manner; the outer wall of the quick plug is provided with an arc-shaped groove matched with the movable steel ball part exposed outside the inner barrel, the quick plug is matched with the inner barrel to be inserted into the inner barrel, the axial center of the quick plug is of a hollow structure, the inner wall of the quick plug is provided with threads, and the testing screw is in threaded connection with the quick plug;
The upper part of the hydraulic cylinder is provided with a hole, and a hydraulic medium is communicated with the side wall of the cylindrical cylinder in the drawing detection device through the hole and a hydraulic pipeline;
the pressure display device is arranged at the top of the hydraulic cylinder.
In the coating adhesion strength detection device, the pressure display device is a hydraulic pressure gauge comprising a driven needle and a driving needle.
The utility model discloses a based on hydraulic drive and hydraulic pressure manometer's design principle, select an area of solid material coating, through the glue that an intensity is higher than coating and solid material bonding strength, pull out the coating from the solid material surface, according to the size of area to survey its coating adhesion strength's numerical value. The hydraulic transmission working principle is that a hydraulic medium is pressed into a hydraulic cylinder through a fastening hand wheel and a fastening rocker, the fastening rocker is continuously screwed, the hydraulic medium continuously moves upwards along a hydraulic pipeline and enters the side wall of the cylindrical cylinder in a hollow structure, a supporting and fixing piston jacks up the cylindrical cylinder, the cylindrical cylinder gradually pulls a test screw up from the surface of a solid material along with the increase of hydraulic pressure, and meanwhile, the hydraulic medium also applies pressure to a pressure display device, so that a gauge needle is driven to rotate.
The utility model discloses quick plug and test screw among the device are split type with the device body, just need install the device body when examining, therefore the preparation process of test sample is simple, and convenient operation can select the test screw of different models according to test sample's actual conditions, makes things convenient for various detection needs in the actual production. Furthermore, the utility model discloses a device not only can the adhesion strength of quantitative determination solid material coating, is applicable to the object that adheres to the coating on any solid material moreover, determines the combination condition of coating and material, is particularly suitable for the detection of the coating combination condition of various surface treatment's such as spraying, electroplating, has better popularization and use value to production process control and product quality detection, provides the new installation that surface treatment detected.
Drawings
FIG. 1 is a schematic structural diagram of the device of the present invention;
FIG. 2 is a sectional view of the pull test device A-A of FIG. 1;
FIG. 3 is a schematic structural view of the pull detection device of FIG. 1 without a quick plug inserted;
fig. 4 is a schematic diagram of the quick plug and the test screw in the pull test apparatus shown in fig. 1.
Detailed Description
As shown in fig. 1 to 4, the coating adhesion strength detecting device of the present invention includes a hydraulic transmission device, a pull-out detecting device and a pressure display device 1; the hydraulic transmission device comprises a hydraulic cylinder 2 filled with a hydraulic medium, a fastening hand wheel 3 positioned at the bottom of the hydraulic cylinder, and a fastening rocker 4, wherein the fastening hand wheel 3 is in threaded connection with the bottom of the hydraulic cylinder 2; the fastening rocker 4 is externally sleeved with a fixing sleeve 5, the fastening rocker 4 is in threaded connection with the fixing sleeve 5, the side wall of the hydraulic cylinder 2 is provided with an outward protruding opening 16, the fixing sleeve 5 and the fastening rocker 4 extend into the protruding opening 16, and a rubber gasket 6 is arranged between the fixing sleeve 5 and the protruding opening 16; the fastening hand wheel 3 and the fastening rocker 4 both play the role of a piston and seal hydraulic media inside the hydraulic cylinder 2, and the sealing performance can be further enhanced by the arrangement of the fixed sleeve 5 and the rubber gasket 6. The pulling detection device comprises a cylindrical barrel 15, a supporting fixed piston 8, a fastening sleeve, a quick plug 12 and a test screw 13, wherein the upper port of the cylindrical barrel 15 is in a sealing design, the side wall of the cylindrical barrel 15 is of a hollow structure, four holes for inserting the supporting fixed piston 8 are uniformly formed in the bottom of the cylindrical barrel 15, and a clamping groove 17 is formed in the inner side wall of the cylindrical barrel 15; the fastening sleeve comprises an inner cylinder 10 and an outer cylinder 9 sleeved outside the inner cylinder, six movable steel balls 11 are symmetrically clamped between the inner cylinder and the outer cylinder, and the movable steel balls 11 are partially exposed outside the inner cylinder 10; the side wall of the outer cylinder 9 is provided with a convex strip 18, and the convex strip 18 is connected with the clamping groove 17 in a vertical sliding manner; the outer wall of the quick plug 12 is provided with an arc-shaped groove matched with the part of the movable steel ball 11 exposed outside the inner cylinder 10, the quick plug 12 is matched with the inner cylinder 10 to be inserted into the inner cylinder 10, the axial center of the quick plug 12 is of a hollow structure, the inner wall of the quick plug is provided with threads, and the test screw 13 is in threaded connection with the quick plug 12; the upper part of the hydraulic cylinder 2 is provided with a hole, and a hydraulic medium is communicated with the side wall of a cylindrical cylinder 15 in the pulling detection device through the hole and a hydraulic pipeline 7. The pressure display device 1 is arranged at the top of the hydraulic cylinder 2 and is a hydraulic pressure gauge comprising a driven needle and a driving needle, and is sold on the market. The head of the test screw 13 is bonded to the coated surface of the solid material test specimen 14 by means of a glue, which is commercially available, as long as the strength thereof is greater than the bonding strength of the coating to the solid material.
Use the utility model discloses when the device is examined, mainly include following step:
(1) the fastening hand wheel 3 and the fastening rocker 4 are completely loosened, and the supporting fixed piston 8 is completely pressed into the pull detection device;
(2) after the head of the test screw 13 is bonded with the solid material sample 14, the head is in threaded connection with the quick plug 12;
(3) the convex strip 18 of the outer cylinder 9 of the fastening sleeve is pulled to the bottom of the clamping groove 17, the quick plug 12 is pressed in at the same time, the outer cylinder 9 of the fastening sleeve is loosened at the moment, the outer cylinder 9 and the inner cylinder 10 of the fastening sleeve are matched with each other to completely sleeve the quick plug 12, and the quick plug 12 and the fastening sleeve are clamped through the movable steel ball 11;
(4) the driven needle of the pressure display device 1 is moved to a zero position;
(5) and then the fastening hand wheel 3 is screwed, the hydraulic pointer slightly acts at the moment, the fastening rocker 4 is uniformly screwed until the cylindrical barrel 15 is fixedly supported by the supporting and fixing piston 8 and the test screw 13 is completely pulled off from the solid material sample 14, the driving needle returns to the zero point at the moment, the driven needle stops at the position when pulled off, and the coating adhesion strength is obtained through reading calculation.
The utility model discloses the theory of operation of device: when detection is carried out, firstly, the head of the test screw 13 is adhered to the coating surface of the solid material test sample 14 by glue, then the test screw is in threaded connection with the quick plug 12, then the quick plug 12 is inserted into the fastening sleeve, the arc-shaped groove on the outer wall of the quick plug 12 is matched and clamped with the movable steel ball 11 part exposed outside the inner cylinder 10, the outer cylinder 9 and the inner cylinder 10 of the fastening sleeve are in interference fit and clamped, and the protruding strip 18 of the outer cylinder 9 is arranged at the bottom of the clamping groove 17 on the inner side wall of the cylindrical cylinder 15, so that the test screw 13 is clamped and fixed. After the test screw 13 is installed, firstly, by screwing the fastening hand wheel 3 and the fastening rocker 4, a hydraulic medium is extruded to move upwards along the hydraulic pipeline 7 and enter the side wall of the cylindrical barrel 15 in a hollow structure, so as to press the supporting and fixing piston 8, when the pressure is continuously applied by the hydraulic medium, the supporting and fixing piston 8 presses the solid material test sample 14 to be fixed, and the cylindrical barrel 15 is jacked up under the action of hydraulic pressure and simultaneously drives the test screw 13 to move upwards, so that the coating is pulled out of the surface of the solid material test sample 14; at the same time, the pressure medium exerts pressure on the pressure display device 1, so that the pointer of the pressure gauge rotates and reads the pressure.
Calculation of coating adhesion strength: the contact area of the test screw 13 and the surface of the solid material 14 is the head area of the test screw and is marked as S (unit is mm)2) According to pressure display meansThe calculated coating adhesion strength (in MPa) is given by the formula:
T=n·P
wherein n =314mm2The head diameter of the test screw used by the detection device can be the following values:
| area mm2 | 314 | 157 | 104.67 | 78.5 | 62.8 | 52.33 | 44.86 |
| Diameter mm | 10 | 14.14 | 11.55 | 10 | 8.94 | 8.16 | 7.56 |
The value of the coating adhesion strength can be calculated through the formula.
Claims (2)
1. A coating adhesion strength detection device is characterized in that: comprises a hydraulic transmission device, a pull-out detection device and a pressure display device; wherein,
the hydraulic transmission device comprises a hydraulic cylinder, a fastening hand wheel and a fastening rocker, wherein the hydraulic cylinder is internally filled with a hydraulic medium, the fastening hand wheel is positioned at the bottom of the hydraulic cylinder, and the fastening hand wheel is in threaded connection with the bottom of the hydraulic cylinder; a fixing sleeve is sleeved outside the fastening rocker, the fastening rocker is in threaded connection with the fixing sleeve, an outward protruding opening is formed in the side wall of the hydraulic cylinder, the fixing sleeve and the fastening rocker extend into the protruding opening, and a rubber gasket is arranged between the fixing sleeve and the protruding opening;
the pull-out detection device comprises a cylindrical barrel, a supporting fixed piston, a fastening sleeve, a quick plug and a test screw, wherein the upper port of the cylindrical barrel is in a sealed design, the side wall of the cylindrical barrel is of a hollow structure, the bottom of the cylindrical barrel is uniformly provided with at least three holes for inserting the supporting fixed piston, and the inner side wall of the cylindrical barrel is provided with a clamping groove; the fastening sleeve comprises an inner cylinder and an outer cylinder sleeved outside the inner cylinder, at least two movable steel balls are symmetrically clamped between the inner cylinder and the outer cylinder, and the movable steel balls are partially exposed outside the inner cylinder; the side wall of the outer barrel is provided with a convex strip which is connected with the clamping groove in a vertical sliding manner; the outer wall of the quick plug is provided with an arc-shaped groove matched with the movable steel ball part exposed outside the inner barrel, the quick plug is matched with the inner barrel to be inserted into the inner barrel, the axial center of the quick plug is of a hollow structure, the inner wall of the quick plug is provided with threads, and the testing screw is in threaded connection with the quick plug;
The upper part of the hydraulic cylinder is provided with a hole, and a hydraulic medium is communicated with the side wall of the cylindrical cylinder in the drawing detection device through the hole and a hydraulic pipeline;
the pressure display device is arranged at the top of the hydraulic cylinder.
2. The coating adhesion strength detecting apparatus according to claim 1, wherein: the pressure display device is a hydraulic pressure gauge comprising a driven needle and a driving needle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521095299.XU CN205246513U (en) | 2015-11-25 | 2015-12-25 | Coating adhesion detection device |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2015108307455 | 2015-11-25 | ||
| CN201510830745 | 2015-11-25 | ||
| CN201521095299.XU CN205246513U (en) | 2015-11-25 | 2015-12-25 | Coating adhesion detection device |
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| Publication Number | Publication Date |
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| CN205246513U true CN205246513U (en) | 2016-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521095299.XU Active CN205246513U (en) | 2015-11-25 | 2015-12-25 | Coating adhesion detection device |
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| CN (1) | CN205246513U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111044451A (en) * | 2019-12-26 | 2020-04-21 | 济南大学 | Coating bonding firmness simulation experiment device |
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2015
- 2015-12-25 CN CN201521095299.XU patent/CN205246513U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111044451A (en) * | 2019-12-26 | 2020-04-21 | 济南大学 | Coating bonding firmness simulation experiment device |
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| TR01 | Transfer of patent right |
Effective date of registration: 20220718 Address after: 454750 No.8, the third street, industry gathering area, Mengzhou City, Jiaozuo City, Henan Province Patentee after: Zhongnei Keith automobile new power system Co.,Ltd. Address before: 454750 No. 69 Huaihe Avenue, Mengzhou Industrial Agglomeration District, Jiaozuo City, Henan Province Patentee before: ZYNP Corp. |