CN215727601U - Standard forging die installation auxiliary device for coating adhesion detection - Google Patents
Standard forging die installation auxiliary device for coating adhesion detection Download PDFInfo
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- CN215727601U CN215727601U CN202122215447.9U CN202122215447U CN215727601U CN 215727601 U CN215727601 U CN 215727601U CN 202122215447 U CN202122215447 U CN 202122215447U CN 215727601 U CN215727601 U CN 215727601U
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Abstract
A standard forging die installation auxiliary device for coating adhesion detection, its characterized in that: the main structure of the cylindrical magnetic shell is a support sleeve, and the upper part of the support sleeve is provided with a top plate which closes the upper end of the support sleeve; the lower end of the support sleeve is provided with a base; the cylindrical magnetic shell is also provided with a support magnetic switch; a slide rail is arranged in the cylindrical magnetic shell, a movable chassis is arranged on the slide rail, and a spring is arranged between the movable chassis and the top plate. The device can effectively eliminate adverse effects of the environment, reduce the manpower labor and improve the installation efficiency; meanwhile, the forging die spindle is tightly attached to the surface of the parent metal, and the stress is uniform and does not change along with time; the stress is uniform and standard, and the stress of each standard forging die is consistent. The problems of unqualified installation, large data error and the like in the process of manually installing the spindle are avoided. Meanwhile, the device can be used in a combined mode, labor force is liberated, and meanwhile the working efficiency of detecting the adhesive force of the metal coating by a drawing method is greatly improved.
Description
Technical Field
The utility model relates to the field of metal coating adhesion detection, in particular to a standard forging die installation auxiliary device for metal coating adhesion detection.
Background
The construction quality of the paint film type anticorrosive coatings on the surfaces of the metal objects is generally evaluated by indexes such as coating thickness, adhesive force between the coatings and the surfaces of the metal objects and the like. The good combination of the metal surface anticorrosive coating and the substrate surface, namely the good adhesion performance, is the precondition and condition for the performance of the coating, and for a hydraulic steel structure, the coating thickness and the adhesion of the coating and the surface of a metal object are necessary items (indexes). The detection method of the adhesive force of the metal structure coating can be summarized into two main types of drawing methods and cutting methods, wherein the drawing method is the method which is most extensive and has the most accurate measurement result. The detection of the adhesion force of the hydraulic structure anticorrosive coating needs to use a structural adhesive to directly bond the standard forging to the surface of the coating after the coating is integrally dried or solidified, and after the structural adhesive is solidified, a coating drawing instrument is used for detecting the tensile force required by the separation of the coating from the base metal, and the tensile force is converted into the adhesion force between the coating and the base metal in unit area and expressed by MPa.
The general concrete operation process is that a coating adhesion detection area is selected, dirt and a paint film on the surface of a coating are removed by alcohol or fine sand paper, a structure adhesive is debugged after the surface is smooth and dry, a standard forging die (with the diameter of 14.2mm, 20mm and 50 mm) is adhered to the surface of a member to be detected, the standard forging die is manually pressed until the structure adhesive is preliminarily cured (about 5 minutes) and can be loosened, and after the structure adhesive is completely cured and reaches the strength (generally 24 hours, the time is short when the temperature is high and the time is long when the temperature is low), a standard cutting device is used for cutting through the substrate along the line of the standard forging die, and a drawing tester is used for drawing.
Steel structure anti-corrosion technical rule for seaport engineeringIn the specification of model JTS153-3-2007, the adhesive force of 1 coating layer should be tested for every 10 steel pipe piles or steel plate piles, and every 200m of other steel structures2The number of the coating adhesion force detected for 1 time is not less than 1 time, 6 points are detected for each time, and the total detected number is not less than 3 times. For ten-thousand-ton wharfs, about 400 pile foundations of each berth are generally detected, 40 pile foundations need to be detected, about 240-point coating adhesion force drawing tests need to be carried out, and the workload of standard forging die sticking installation is huge.
The coating adhesion force drawing test requires that the bottom surface of a standard forging die is tightly attached to a base metal, the conditions of inclination, slippage, poor adhesion and the like cannot occur, a damaged surface is required to be formed between a coating and a coating or between the coating and a steel structure base layer after drawing, when the damaged surface is formed between the coating and the bottom surface of the standard forging die, the test result is invalid, and the test is required to be carried out again. The method has the advantages that high requirements are provided for the bonding quality between the standard forging die and the steel structure, in the prior art, the bonding mode of the standard forging die mainly comprises the steps of coating structural adhesive between the bottom of the standard forging die and the steel structure, vertically pressing the standard forging die on the base metal for about 3-5 min by manpower, and releasing the hand to perform the next operation after the structural adhesive exerts viscosity. Because the detection of the hydraulic steel structure is greatly influenced by the detection field conditions, if the offshore operation is influenced by waves, the shaking amplitude of the operation of personnel on the ship is large, the stable pressing of the standard forging die for a long time is difficult to ensure, and the phenomena of poor adhesion such as slippage, inclination and the like of the standard forging die at the initial curing stage of the structural adhesive due to shaking, force application inequality and the like of the operating personnel are easy to occur. Once the poor bonding condition occurs, the test result is invalid, the standard forging die needs to be pasted again for testing after the standard forging die is completely cured, the test workload and the corresponding matching are increased, the test time is prolonged by at least more than one day, so that a simple, convenient and stable auxiliary device which can apply a certain pressure when the standard forging die is bonded needs to be developed, the bonding reliability and stability of the standard forging die are improved, the labor is saved, the test progress is accelerated, the test efficiency is improved, and the condition that the test result is invalid due to the poor bonding of the standard forging die is avoided.
Disclosure of Invention
The utility model aims to provide an auxiliary device for detecting the bonding installation of a standard forging die for metal surface coating adhesion by a drawing method, which can enable the standard forging die to be tightly attached to the surface of a base metal during severe offshore operation, enables the pressing force of the standard forging die to be stable for a long time at the initial stage of structural adhesive bonding without inclination, slippage and the like, and avoids the occurrence of poor bonding phenomenon caused by manually installing the standard forging die under the action of wind waves on a ship body during offshore operation and the phenomenon that a test result is invalid and needs to be retested. Can prepare 3~4 sets of the device repeated flowing water use when pasting the installation, greatly improve the work efficiency that the drawing method detected the metal coating adhesive force and paste the reliability of quality when liberating the manpower.
In order to achieve the purpose, the utility model is realized by the following technical scheme: a standard forging die installation aid for measuring coating adhesion, characterized by: the main structure of the cylindrical magnetic shell is a support sleeve, and the upper part of the support sleeve is provided with a top plate which closes the upper end of the support sleeve; the lower end of the support sleeve is provided with a base; the cylindrical magnetic shell is also provided with a support magnetic switch (used for opening or closing the magnetism of the cylindrical magnetic shell); a slide rail is arranged in the cylindrical magnetic shell, a movable chassis is arranged on the slide rail, and a spring is arranged between the movable chassis and the top plate.
In an optimized scheme, the cylindrical magnetic shell is externally wrapped by a rubber outer sleeve.
When the device is used, after the surface layer of a steel structure is treated, a standard forging die is coated with a structural adhesive and then manually pressed on the steel structure, redundant structural adhesive or air between the standard forging die and the steel structure is squeezed out, the auxiliary device is aligned with the standard forging die and sleeved from the top and pressed tightly, the bottom of the device is closely contacted with a steel structure base metal, a pre-pressure can be applied to the standard forging die after a magnetic switch of a support of a magnetic shell foundation is opened, after 5-8 minutes, the adhesive is solidified to play a role, the magnetic switch of the support of the magnetic shell foundation is closed, and the device is removed until the device is separated from a spindle, so that the installation of the standard forging die can be completed.
In detail, the auxiliary device comprises a magnetic shell foundation 1, a slide rail 2, a movable chassis 3, a spring 4 and a rubber jacket 5. The magnetic housing base 1 comprises a support magnetic switch 11, a support sleeve 12 and a base 13: the support magnetic switch 11 is made of plastic (provided with a permanent magnet inside), the top surface of the support magnetic switch is a circular protrusion, a vertical connecting plate is arranged on the protrusion for facilitating the operation of personnel, and the base 13 can be controlled to generate magnetism by rotating the switch; the support sleeve 12 is designed to be cylindrical and is an integral framework of the device, the support magnetic switch 11 is embedded in the top of the support sleeve, the bottom of the support sleeve is connected with the base 13, the rubber outer sleeve 5 is wrapped outside the support sleeve, and the support sleeve is hollowed inside the support sleeve for mounting other devices; the base 13 is made of high-performance magnetic materials such as iron alloy and the like, is installed on the outer edge of the bottom end of the device, and is controlled by the support magnetic switch 11 to have magnetism, so that the device can be strongly attached to a base material.
The sliding rails 2 are made of plastic materials, the cross section of each sliding rail is U-shaped, 4 sliding rails are vertically and symmetrically arranged in the support sleeve 12 and are tightly attached to the sleeve, so that the movable chassis 3 is guided to move smoothly when moving up and down, and meanwhile, the movable chassis is limited not to turn over when moving, so that the device can vertically apply force to the forging die spindle when in use; the bottom end of each slide rail is provided with a limiting device 21 so as to ensure that the movable chassis 3 is not separated from the inside of the device when the device is separated from a spindle.
The movable chassis 3 is made of plastic, the cross section of the movable chassis is in a shape of four circles extending outwards, the movable chassis is arranged in a groove in the slide rail 2, the top of the movable chassis is connected with the spring 4, a round platform-shaped groove is formed in the bottom of the movable chassis, the movable chassis is used for positioning the top of the forging die spindle to ensure that the device and the center of the spindle are on the same straight line, and the movable chassis is evenly stressed on the spindle at the bottom when in use.
The spring 4 is made of a non-magnetic material spring, preferably a high-strength copper spring, the top of the spring is connected with the support sleeve 12, the bottom of the spring is connected with the top of the movable chassis 3, the spring is enabled to generate displacement and generate resistance force through vertical movement of the movable chassis 3 at the bottom, force is uniformly applied to the forging die spindle through the movable chassis 3, the elastic coefficient of the spring is determined through tests according to the size of the device and the pressure required to be generated by the device under the condition that the sliding displacement is required, the bottom surface of the spindle can be tightly attached to the surface of a parent metal through the pressure generated when the spindle is installed, and the device cannot fall off due to the fact that the pressure of the device is larger than the basic suction force of the magnetic shell.
The rubber outer sleeve 5 is made of soft rubber materials and is uniformly wrapped outside the support sleeve 12, when an operator grips improperly to cause eccentricity in use, the deviation generated by repositioning the center of the spindle by the device through the movable chassis 3 is offset through elastic deformation of rubber, force is applied to the forging die spindle vertically when the forging die spindle is pressed downwards, and bonding operation failure caused by eccentric pressing of the spindle is prevented.
The base 13 is made of high-performance magnetic materials such as iron alloy and is fixedly installed at the lower opening edge of the support sleeve 12, and the support magnetic switch 11 is controlled to have magnetism, so that the auxiliary device can be strongly attached to the base material.
The bottom end of each slide rail is provided with a limiting device so as to ensure that the movable chassis is not separated from the inside of the device when the device is separated from the spindle.
Compared with the prior art, the utility model has the beneficial effects that:
1. the utility model adopts the elastic movable chassis structure based on the basic principle of the magnetic shell, can effectively eliminate the adverse effects of the environment, such as offshore construction operation, improve the reliability of the bonding quality, greatly reduce the probability of invalid test results, reduce the manpower labor and improve the installation efficiency;
2. the utility model adopts a slide rail type movable structure, ensures that the chassis of the device vertically and smoothly moves, and simultaneously limits the chassis not to turn over when moving so as to ensure that the device vertically applies force to the forging die spindle when in use, and is convenient to use;
3. the utility model adopts the spring device, ensures that the force loaded when the device fixes the spindle continuously exerts force in the laminating process, can not be interrupted due to displacement, and can change the spring to adjust the force application size according to the use requirement;
4. the chassis of the device adopts an embedded structure and is used for positioning the top of the forging die spindle to ensure that the device and the spindle center are on the same straight line, and the device can ensure that the bottom spindle is stressed uniformly and does not change along with time when in use; the stress is uniform and standard, and the stress of each standard forging die is consistent.
Drawings
FIG. 1 is a schematic overall view of the present invention in use;
FIG. 2 is a cross-sectional view of the interior of the present invention in use;
FIG. 3 is a top view of the present invention;
FIG. 4 is a cross-sectional view of the interior of the present invention when not in use;
fig. 5 is a detailed view (plan view) of the device mobile chassis 3.
In the drawing, A is a standard forging die and B is a steel structure base material to be detected.
Detailed Description
The following detailed description of embodiments of the utility model is provided in conjunction with the appended drawings: a spindle mounting device for measuring coating adhesive force comprises a device body, wherein the device body is composed of a magnetic shell foundation 1, a sliding rail 2, a movable chassis 3, a spring 4 and a rubber outer sleeve 5, and the magnetic shell foundation 1 comprises a support magnetic switch 11, a support sleeve 12 and a base 13. When the forging die spindle A is used, the movable chassis 3 is vertically pressed down from the top of the spindle after the center of the forging die spindle of the device is aligned to the center of the spindle until the magnetic base 13 of the device contacts with the parent metal and then the magnetic shell basic switch 11 is opened. After a period of time the adhesive is activated, the magnetic housing base switch 11 is closed and the vertical lift device is installed until it is disengaged from the spindle.
Claims (8)
1. A standard forging die installation auxiliary device for coating adhesion detection is characterized in that: the main structure of the cylindrical magnetic shell is a support sleeve, and the upper part of the support sleeve is provided with a top plate which closes the upper end of the support sleeve; the lower end of the support sleeve is provided with a base; the cylindrical magnetic shell is also provided with a support magnetic switch; a slide rail is arranged in the cylindrical magnetic shell, a movable chassis is arranged on the slide rail, and a spring is arranged between the movable chassis and the top plate.
2. A standard die installation aid for coating adhesion testing as claimed in claim 1, wherein: the outer part of the cylindrical magnetic shell is wrapped with a rubber outer sleeve.
3. A standard die installation aid for coating adhesion testing as claimed in claim 1, wherein: the movable chassis is made of plastic and adopts an embedded structure for positioning the top of the forging die spindle so as to ensure that the device and the spindle center are on the same straight line.
4. A standard die installation aid for coating adhesion testing as claimed in claim 1, wherein: the spring is made of a non-magnetic material, the top of the spring is connected with the support sleeve, the bottom of the spring is connected with the top of the movable chassis, the spring generates displacement and resistance force through the vertical movement of the movable chassis at the bottom, and the force is uniformly applied to the forging die spindle through the movable chassis.
5. A standard die installation aid for coating adhesion testing as claimed in claim 4, wherein: the spring is made of high-strength copper.
6. A standard die installation aid for coating adhesion testing as claimed in claim 2, wherein: the rubber outer sleeve is made of soft rubber materials and evenly wraps the outer portion of the support sleeve.
7. A standard die installation aid for coating adhesion testing as claimed in claim 1, wherein: the elastic coefficient of the spring is determined by tests according to the size of the device and the pressure required to be generated by the device under the condition of sliding displacement.
8. A standard die installation aid for coating adhesion testing according to any one of claims 1 to 7, wherein: the bottom end of each slide rail is provided with a limiting device so as to ensure that the movable chassis is not separated from the inside of the device when the device is separated from the spindle.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122215447.9U CN215727601U (en) | 2021-09-13 | 2021-09-13 | Standard forging die installation auxiliary device for coating adhesion detection |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122215447.9U CN215727601U (en) | 2021-09-13 | 2021-09-13 | Standard forging die installation auxiliary device for coating adhesion detection |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114690096A (en) * | 2022-05-26 | 2022-07-01 | 深圳市汇图技术有限公司 | Magnetic material surface adhesive force detection device |
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2021
- 2021-09-13 CN CN202122215447.9U patent/CN215727601U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114690096A (en) * | 2022-05-26 | 2022-07-01 | 深圳市汇图技术有限公司 | Magnetic material surface adhesive force detection device |
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