CN116990219A - Polyurethane panel stability sampling detection device - Google Patents
Polyurethane panel stability sampling detection device Download PDFInfo
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- CN116990219A CN116990219A CN202311230157.9A CN202311230157A CN116990219A CN 116990219 A CN116990219 A CN 116990219A CN 202311230157 A CN202311230157 A CN 202311230157A CN 116990219 A CN116990219 A CN 116990219A
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- 238000005070 sampling Methods 0.000 title claims abstract description 165
- 238000001514 detection method Methods 0.000 title claims abstract description 84
- 229920002635 polyurethane Polymers 0.000 title claims abstract description 54
- 239000004814 polyurethane Substances 0.000 title claims abstract description 54
- 230000007246 mechanism Effects 0.000 claims abstract description 93
- 238000012360 testing method Methods 0.000 claims abstract description 50
- 239000002253 acid Substances 0.000 claims abstract description 48
- 238000005260 corrosion Methods 0.000 claims abstract description 42
- 230000007797 corrosion Effects 0.000 claims abstract description 39
- 229920000742 Cotton Polymers 0.000 claims abstract description 24
- 230000001502 supplementing effect Effects 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- 238000010521 absorption reaction Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 29
- 230000008569 process Effects 0.000 abstract description 26
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000001105 regulatory effect Effects 0.000 abstract description 3
- 238000011160 research Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 7
- 230000009471 action Effects 0.000 description 5
- 238000000926 separation method Methods 0.000 description 5
- 238000000429 assembly Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 241000252254 Catostomidae Species 0.000 description 1
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- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
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- 230000006872 improvement Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
- G01N17/004—Investigating resistance of materials to the weather, to corrosion, or to light to light
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Abstract
The application relates to the technical field of polyurethane board detection, in particular to a polyurethane board stability sampling detection device and a test bed; the lifting mechanism is rotatably arranged at the top end of the test bed; the driving motor is fixedly arranged at the top end of the test bed, and an output shaft of the driving motor is coaxially connected with a meshing gear for driving the lifting mechanism to rotate, so that the lifting mechanism is convenient to drive the sampled sample to carry and move; acid absorbing cotton is arranged in a groove at one side of the top end of the test bed, and acid solution for experimental detection is adsorbed on the acid absorbing cotton. According to the application, in actual use, the corrosion resistance detection of the polyurethane board is effectively realized in a five-point sampling mode, the corrosion resistance process is visually displayed in a numerical form, the actual observation and use are convenient, the experimental environment can be regulated by means of the ultraviolet irradiation assembly and the air duct, the actual use condition is simulated, the actual effectiveness of experimental data is ensured, and the data reference is provided for actual production research and the like.
Description
Technical Field
The application relates to the technical field of polyurethane board detection, in particular to a polyurethane board stability sampling detection device.
Background
The polyurethane board is a platy material prepared from polyurethane serving as a main raw material. It has good physical properties and chemical stability, and is widely used in various fields and applications.
Part of polyurethane boards need to be exposed to the external environment in the actual use process, are easily influenced by external factors, and if the polyurethane boards need to be ensured to have better stability, the stability is generally reflected in weather resistance, heat resistance, solvent resistance, corrosion resistance and the like.
The physical properties of the polyurethane board, such as hardness, heat resistance and the like, can be detected and observed intuitively in the actual production process, so that the actual operation is convenient, but the corrosion resistance is influenced by external factors in many aspects during the actual use, such as the ultraviolet irradiation intensity, the acid-base degree of the external environment contacted with the polyurethane board, and the like, so that the conventional method cannot detect the corrosion resistance intuitively in the stability aspect of the actual corrosion resistance. Therefore, we propose a polyurethane board stability sampling detection device.
Disclosure of Invention
The application aims to solve the defects in the prior art, and provides a polyurethane plate stability sampling and detecting device.
In order to achieve the above purpose, the present application adopts the following technical scheme:
a polyurethane slab stability sampling detection device, comprising:
a test bed;
the lifting mechanism is rotatably arranged at the top end of the test bed;
the driving motor is fixedly arranged at the top end of the test bed, and an output shaft of the driving motor is coaxially connected with a meshing gear for driving the lifting mechanism to rotate, so that the lifting mechanism is convenient to drive the sampled sample to carry and move;
the acid absorbing cotton is arranged in a groove at one side of the top end of the test bed, and is adsorbed with an acid solution for experimental detection, so that convenience is brought to subsequent corrosion-resistant detection;
the detection dividing piece is arranged at the acid-absorbing cotton position at the top end of the test bed and provides a separate space for a subsequent corrosion-resistant test;
the sampling detection mechanism is arranged on the lifting mechanism and is used for realizing five-point sampling of samples, carrying out sample transportation by matching with the lifting mechanism, the meshing gear and the driving motor, and carrying out corrosion-resistant detection by matching with acid-absorbing cotton in the detection dividing piece;
the sampling detection mechanism comprises an L-shaped lifting frame, four groups of adjustable sampling mechanisms are connected to the bottom end of a vertical support arm of the L-shaped lifting frame, sampling assemblies capable of being adjusted in a movable mode are arranged at the bottom ends of the adjustable sampling mechanisms, fixed sampling mechanisms are fixedly installed at the junction of the four groups of adjustable sampling mechanisms, the sampling assemblies are arranged at the bottom ends of the fixed sampling mechanisms in a fixed mode, and therefore five-point sampling of polyurethane plates is stably achieved.
As a preferable technical scheme of the application, the lifting mechanism comprises a rotating column rotatably arranged at the top end of the test bed, and a driven gear which is meshed with the meshing gear and is matched with the rotating column is fixedly arranged at the lower part of the outer side of the rotating column, so that the lifting mechanism can conveniently drive the sampling detection mechanism to carry out position adjustment, and the sampling process and the experimental process can be switched;
the side of the rotating column is provided with a groove along the vertical direction, an adjusting screw is arranged in the groove in a rotating way, a rotating motor used for driving the adjusting screw to rotate is arranged at the top end of the rotating column, the horizontal support arm of the L-shaped lifting frame is in threaded fit with the adjusting screw, guide rods are connected to two sides of the horizontal support arm of the L-shaped lifting frame, and the sampling detection mechanism can conveniently realize stable migration in the vertical direction under the action of torque and the guide rods, so that convenience is brought to sampling and detection processes.
As a preferable technical scheme of the application, the adjustable sampling mechanism comprises a fixed bar, an L-shaped connecting frame is fixedly connected between the top end of the fixed bar and a vertical support arm of the L-shaped lifting frame, a groove is arranged at the bottom end of the fixed bar, a rotary screw is arranged in the groove, a toggle button for driving the rotary screw to rotate is arranged at one end of the outer part of the fixed bar, a sampling component is arranged at the groove in a sliding manner and is in threaded fit with the rotary screw, so that the sampling component on the adjustable sampling mechanism can be conveniently moved, and polyurethane plates with different specifications are matched with the sampling component fixed on the fixed sampling mechanism to perform five-point sampling, thereby ensuring the universality and representativeness of sampling;
the sampling assembly comprises a guide block with threads adapted to the outer side of the rotary screw, a sampling motor is installed at the bottom end of the guide block, and an output shaft of the sampling motor is connected with a sampling piece for sampling the polyurethane plate.
As a preferable technical scheme of the application, the sampling piece comprises a sampling ring cutter for sampling, a carrying assembly for carrying the sampled sample is arranged in the sampling piece, and a pressure sensor and a spring for carrying out corrosion-resistant detection auxiliary treatment on the sampled sample are arranged on the carrying assembly;
the screw through hole has been seted up on the both sides upper portion of sampling ring sword to screw thread connection has the screw that screws in screw through hole department, and the screw that screws is located the inside one end of sampling ring sword all articulates there is the articulated pole, and the one end of articulated pole articulates and is provided with vertical spacing slip setting at the inside lifter plate of sampling ring sword, and pressure sensor installs in the lower part of lifter plate, and pressure sensor's bottom is connected with the spring, and the bottom of spring is connected with the sucking disc that is used for adsorbing the sample of taking, and then makes things convenient for sampling ring sword to adsorb the sample separation after, and absorbs the corrosion degree of acid cotton department to the sample through spring cooperation pressure sensor.
As a preferable technical scheme of the application, the upper parts of the sampling components on the adjustable sampling mechanism are provided with fan-shaped plugging plates, and the upper parts of the fixed sampling mechanisms are provided with round plugging plates;
the detection dividing piece is composed of 4 groups of annular plugging plates and a group of experimental boxes which are arranged corresponding to the annular plugging plates, the experimental boxes and the plugging plates are made of transparent anti-corrosion materials, each group of experimental boxes are in an upper opening and lower opening mode, communicating pipes are connected between the adjacent experimental boxes, one sides of one group of air guide boxes are communicated with one another, an air guide pipe is arranged on one side of the air guide box, a control valve is arranged on the air guide pipe, the environment inside the experimental boxes is conveniently regulated in the experimental process, and the diversification of experiments is ensured.
As a preferable technical scheme of the application, the acid supplementing component is further arranged on one side of the top end of the test bed, the acid supplementing component comprises an acid storage tank fixedly arranged on the top end of the test bed through supporting legs, one side of the lower part of the acid storage tank is connected with an acid guide pipe pointing to acid absorbing cotton, and the acid guide pipe is provided with a control valve, so that the acid absorbing cotton is conveniently subjected to acid supplying treatment, uniform acid absorption of the acid absorbing cotton in the corrosion resisting treatment process is ensured, and a sufficient acid environment is provided for the experimental process.
As a preferable technical scheme of the application, the distance between the central line of the sampling detection mechanism and the axial line of the lifting mechanism is equal to the distance between the central line of the detection dividing piece and the axial line of the lifting mechanism, so that the sampling detection mechanism can be stably matched with the detection dividing piece in the actual adjustment process, and the effective performance of a detection test is ensured.
As a preferable technical scheme of the application, the top end of the test stand is also provided with the ultraviolet irradiation assembly, the ultraviolet irradiation assembly comprises a mounting frame, and the top end of the mounting frame is provided with an ultraviolet lamp right above the detection dividing piece and is used for simulating the corrosion resistance condition of a sample in an ultraviolet environment, so that the test stand is better close to the actual use environment for detection, and the validity of experimental data is ensured.
The beneficial effects of the application are as follows:
through the setting of the sampling assembly on the sampling detection mechanism and the lifting mechanism, the polyurethane plates with different specifications are effectively sampled by a five-point method, the validity of actual detection data is ensured, errors are avoided, the uniformity of the material of the whole plate can be conveniently known, the detection of the whole quality of the plate is convenient, and the stable switching of the sampling process and the experimental process is effectively realized through the setting of the lifting mechanism, the meshing gear and the driving motor, so that the stable proceeding of the actual detection process is convenient;
the adsorption of the separated polyurethane plates is effectively realized through the springs and the suckers in the sampling piece, and the actual corrosion condition is conveniently fed back through the vertical action of force in the subsequent corrosion resistance test process by matching with the pressure sensor, so that the corrosion condition is more intuitively displayed, and the actual observation is convenient;
through the setting of ultraviolet irradiation subassembly and air duct, effectively realize the regulation of experimental environment, simulate for the in-service use environment of polyurethane panel, and then effectively discuss the corrosion resistance degree of this panel under the in-service use environment to carry out effective true research to the stability of its corrosion resistance, provide effective data reference for the production of polyurethane panel.
In summary, the application effectively realizes the corrosion resistance detection of the polyurethane board by a five-point sampling mode in actual use, intuitively displays the corrosion resistance process in a numerical form, is convenient for actual observation and use, can regulate the experimental environment by means of the ultraviolet irradiation component and the air duct, simulates the actual use condition, ensures the actual effectiveness of experimental data, and provides data reference for actual production research and the like.
Drawings
FIG. 1 is a schematic diagram of a polyurethane board stability sampling and detecting device according to the present application;
fig. 2 is a schematic diagram of a part of a polyurethane board stability sampling and detecting device according to the present application;
FIG. 3 is a schematic cross-sectional view of a lifting mechanism of a polyurethane board stability sampling and detecting device according to the present application;
fig. 4 is a schematic structural diagram of a sampling and detecting mechanism of a polyurethane board stability sampling and detecting device according to the present application;
FIG. 5 is a schematic diagram of an adjustable sampling mechanism of a polyurethane board stability sampling detection device according to the present application;
fig. 6 is a schematic structural diagram of a sampling member of the polyurethane board stability sampling detection device according to the present application;
fig. 7 is a schematic structural diagram of an ultraviolet irradiation component of the polyurethane board stability sampling and detecting device according to the present application;
fig. 8 is a schematic structural diagram of an acid supplementing component of the polyurethane board stability sampling detection device provided by the application.
In the figure: 1. a test bed; 2. a lifting mechanism; 21. rotating the column; 22. a driven gear; 23. adjusting a screw; 24. a rotating electric machine; 3. a sampling detection mechanism; 31. an L-shaped lifting frame; 32. an adjustable sampling mechanism; 321. a fixing strip; 322. rotating the screw; 323. an L-shaped connecting frame; 324. a toggle button; 325. a sampling motor; 326. a sampling member; 3261. sampling ring cutters; 3262. screwing in a screw; 3263. a lifting plate; 3264. a hinge rod; 3265. a pressure sensor; 3266. a suction cup; 3267. a spring; 33. a fixed sampling mechanism; 4. detecting the dividing piece; 5. acid-absorbing cotton; 6. an ultraviolet irradiation assembly; 61. a mounting frame; 62. an ultraviolet lamp; 7. an acid supplementing component; 71. acid storage tank; 72. an acid guide tube; 8. a meshing gear; 9. a driving motor; 10. and an air duct.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments.
Referring to fig. 1-8, a polyurethane board stability sampling and detecting device includes:
a test stand 1;
the lifting mechanism 2 is rotatably arranged at the top end of the test stand 1;
the driving motor 9 is fixedly arranged at the top end of the test bed 1, and an output shaft of the driving motor 9 is coaxially connected with a meshing gear 8 for driving the lifting mechanism 2 to rotate, so that the lifting mechanism 2 can conveniently drive the sampled sample to carry and move;
the acid absorbing cotton 5 is arranged in a groove at one side of the top end of the test bed 1, and an acid solution for experimental detection is adsorbed at the acid absorbing cotton 5, so that convenience is brought to subsequent corrosion resistance detection;
the detection dividing piece 4 is arranged at the acid-absorbing cotton 5 at the top end of the test bed 1 and provides a separate space for the subsequent corrosion resistance test;
the sampling detection mechanism 3 is arranged on the lifting mechanism 2 and is used for realizing five-point sampling of samples, carrying out sample transportation by matching with the lifting mechanism 2, the meshing gear 8 and the driving motor 9, and carrying out corrosion-resistant detection by matching with the acid-absorbing cotton 5 in the detection dividing piece 4;
the distance between the center line of the sampling detection mechanism 3 and the axial line of the lifting mechanism 2 is equal to the distance between the center line of the detection dividing piece 4 and the axial line of the lifting mechanism 2, so that the sampling detection mechanism 3 can be stably matched with the detection dividing piece 4 in the actual adjustment process, and the effective performance of a detection test is ensured;
the sampling detection mechanism 3 comprises an L-shaped lifting frame 31, four groups of adjustable sampling mechanisms 32 are connected to the bottom end of a vertical support arm of the L-shaped lifting frame 31, movable adjustable sampling components are arranged at the bottom ends of the adjustable sampling mechanisms 32, a fixed sampling mechanism 33 is fixedly arranged at the junction of the four groups of adjustable sampling mechanisms 32, and sampling components are fixedly arranged at the bottom ends of the fixed sampling mechanisms 33, so that five-point sampling of polyurethane plates is stably realized;
the top end of the test stand 1 is also provided with an ultraviolet irradiation assembly 6, the ultraviolet irradiation assembly 6 comprises a mounting frame 61, the top end of the mounting frame 61 is provided with an ultraviolet lamp 62 right above the detection dividing piece 4 and used for simulating the corrosion resistance condition of a sample in an ultraviolet environment, so that the test stand is better close to the actual use environment for detection, and the validity of experimental data is ensured;
the acid supplementing assembly 7 is further arranged on one side of the top end of the test bed 1, the acid supplementing assembly 7 comprises an acid storage tank 71 fixedly arranged on the top end of the test bed 1 through supporting legs, an acid guide pipe 72 pointing to the acid absorbing cotton 5 is connected to one side of the lower portion of the acid storage tank 71, a control valve is arranged on the acid guide pipe 72, further the acid absorbing cotton 5 is conveniently subjected to acid supply treatment, the acid absorbing cotton 5 is guaranteed to be uniformly absorbed in the corrosion-resistant treatment process, and a sufficient acid environment is provided for the experimental process.
Referring to fig. 3-4, the lifting mechanism 2 comprises a rotating column 21 rotatably arranged at the top end of the test bed 1, a driven gear 22 which is meshed with the meshing gear 8 and is matched with the rotating column is fixedly arranged at the lower part of the outer side of the rotating column 21, so that the lifting mechanism 2 can conveniently drive the sampling detection mechanism 3 to perform position adjustment, and the sampling process and the experimental process can be switched;
the side of the rotating column 21 is provided with a groove along the vertical direction, an adjusting screw 23 is rotatably arranged in the groove, a rotating motor 24 used for driving the adjusting screw 23 to rotate is arranged at the top end of the rotating column 21, the horizontal support arm of the L-shaped lifting frame 31 is in threaded fit with the adjusting screw 23, guide rods are connected to two sides of the horizontal support arm of the L-shaped lifting frame 31, and the stable migration of the sampling detection mechanism 3 in the vertical direction is conveniently realized under the action of torque and the guide rods, so that convenience is brought to sampling and detection processes.
Referring to fig. 5, the adjustable sampling mechanism 32 includes a fixing bar 321, an L-shaped connecting frame 323 is fixedly connected between the top end of the fixing bar 321 and a vertical support arm of the L-shaped lifting frame 31, a groove is arranged at the bottom end of the fixing bar 321, a rotary screw 322 is arranged in the groove, a toggle button 324 for driving the rotary screw 322 to rotate is arranged at one external end of the fixing bar 321, a sampling component is slidably arranged at the groove and is in threaded fit with the rotary screw 322, so that the sampling component on the adjustable sampling mechanism 32 can be conveniently moved, and polyurethane boards with different specifications are matched with the sampling component fixed on the fixed sampling mechanism 33 to perform five-point sampling, thereby guaranteeing the universality and representativeness of sampling;
the sampling assembly comprises a guide block with threads adapted to the outer side of the rotary screw 322, a sampling motor 325 is mounted at the bottom end of the guide block, and an output shaft of the sampling motor 325 is connected with a sampling piece 326 for sampling the polyurethane board.
The upper parts of the sampling components on the adjustable sampling mechanism 32 are provided with fan-shaped blocking plates, and the upper parts of the fixed sampling mechanisms 33 are provided with round blocking plates;
the detection partition 4 comprises 4 groups of annular plugging plates and a group of experimental boxes which are arranged corresponding to the annular plugging plates, the experimental boxes and the plugging plates are made of transparent anti-corrosion materials, each group of experimental boxes are in an upper opening and lower opening mode, communication pipes are connected between adjacent experimental boxes, one side of each group of air guide boxes is communicated with an air guide pipe 10, a control valve is arranged on the air guide pipe 10, the environment inside the experimental boxes is conveniently regulated in the experimental process, and the diversification of experiments is ensured.
Referring to fig. 6, the sampling member 326 includes a sampling ring blade 3261 for sampling, a carrying unit for carrying the sampled sample is provided in the sampling member 326, and a pressure sensor 3265 and a spring 3267 for performing corrosion resistance detection auxiliary treatment on the sampled sample are provided in the carrying unit;
the upper portions of two sides of the sampling ring knife 3261 are provided with threaded through holes, the threaded through holes are connected with screw screws 3262 in a threaded mode, one end of each screw 3262, located inside the sampling ring knife 3261, is hinged to a hinged rod 3264, one end of each hinged rod 3264 is hinged to a lifting plate 3263 which is arranged inside the sampling ring knife 3261 in a vertical limiting sliding mode, a pressure sensor 3265 is arranged on the lower portion of each lifting plate 3263, the bottom end of each pressure sensor 3265 is connected with a spring 3267, the bottom end of each spring 3267 is connected with a sucker 3266 used for absorbing and taking samples, and therefore the sampling ring knife 3261 can conveniently absorb samples after separation, and corrosion of the samples can be effectively detected through the fact that the springs 3267 are matched with the pressure sensors 3265 at the positions of acid absorbing cotton 5.
Working principle: in the actual use process, the method comprises two steps:
a. firstly, placing a polyurethane board to be sampled on a test bed 1, then adjusting the position of a sampling component on an adjustable sampling mechanism 32 according to the specification of the polyurethane board, and rotating a corresponding toggle button 324 to adjust the position of the corresponding sampling component so as to meet the requirement of five-point sampling of the polyurethane board below;
then, through adjusting the rotating motor 24, the adjusting screw 23 rotates, and then drives the L-shaped lifting frame 31 to move in the vertical direction, in the process, the sampling motor 325 is started, so that the sampling piece 326 rotates along with the rotation, the separation between the sample taken by the polyurethane board below and the whole board is realized, after the separation is finished, the screw 3262 is rotated, the screw 3262 is screwed inwards, the pressure sensor 3265 and the lower component are further led to descend, finally the sucking disc 3266 and the spring 3267 are led to extend to the outer side of the sampling ring cutter 3261, at this time, under the action of the spring 3267, the sucking disc 3266 is tightly attached to the polyurethane board sample after the separation, the adsorption process is realized, and effective guarantee is provided for the subsequent carrying process;
then starting the lifting mechanism 2 to enable the sampling detection mechanism 3 to move upwards, and adjusting the adjustable sampling mechanism 32 again after the lifting mechanism moves upwards to enable each group of movable sampling components and fixed movable components to restore to the original positions, so that the sampling components and the fixed movable components are correspondingly matched with the subsequent detection dividing pieces 4;
b. and (3) experimental detection: the driving motor 9 is started to enable the lifting mechanism 2 to drive the sampling detection mechanism 3 to carry the sampled sample, the sample is finally moved to the position right above the detection dividing piece 4, then the adjustable sampling mechanism 32 and the fixed sampling mechanism 33 on the sampling detection mechanism 3 are lowered through the adjustment of the rotating motor 24 on the lifting mechanism 2, finally the adsorbed polyurethane board sample is driven to move into a corresponding test box on the detection dividing piece 4, and the isolation of test environments is realized under the action of the plugging plate;
the polyurethane board sample that adsorbs contacts with acid-absorbing cotton 5 in the test box to carry out corrosion-resistant test, after sample panel is corroded, its own hardness and thickness can reduce, make spring 3267 drive sucking disc 3266 and visit down this moment, thereby give pressure sensor 3265's effort reduction, and then effectively learn the corrosion-resistant degree of below adsorbed board sample according to pressure sensor 3265's pressure feedback: if the pressure value changes slowly, the corrosion resistance effect is better, otherwise, the pressure value changes quickly, the corrosion resistance effect is worse;
the general uniformity degree of the whole plate is effectively known according to the corrosion resistance test data of 5 groups of samples sampled by the five-point method, if the corrosion resistance test data of 5 groups of samples are generally consistent, the whole plate is uniform in material quality, and if the data are larger in and out, the plate is different in material quality and needs to be treated with emphasis;
c. and (3) test environment adjustment: in the test process, gas can be conveyed into the test box through the gas guide pipe 10, ultraviolet irradiation can be performed through the ultraviolet irradiation component 6 above, and then the real environment is simulated in multiple aspects, and further the corrosion resistance degree of the plate in the real use environment is effectively discussed, so that the corrosion resistance stability of the plate is effectively and truly researched, and effective data reference is provided for the production of polyurethane plates.
Finally, it should be noted that: in the description of the present application, it should be noted that the azimuth or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present application and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present application.
In the description of the present application, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
The foregoing description is only a preferred embodiment of the present application, and the present application is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present application has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (8)
1. Polyurethane panel stability sampling detection device, its characterized in that includes:
a test stand (1);
the lifting mechanism (2) is rotationally arranged at the top end of the test bed (1);
the driving motor (9) is fixedly arranged at the top end of the test bed (1), and an output shaft of the driving motor (9) is coaxially connected with a meshing gear (8) for driving the lifting mechanism (2) to rotate, so that the lifting mechanism (2) is convenient to drive the sampled sample to carry and move;
the acid absorbing cotton (5) is arranged in a groove at one side of the top end of the test bed (1), and an acid solution for experimental detection is adsorbed at the acid absorbing cotton (5), so that convenience is provided for subsequent corrosion resistance detection;
the detection dividing piece (4) is arranged at the acid absorption cotton (5) at the top end of the test bed (1) and provides a separate space for the subsequent corrosion resistance test;
the sampling detection mechanism (3) is arranged on the lifting mechanism (2) and is used for realizing five-point sampling of samples, carrying out sample transportation by matching with the lifting mechanism (2), the meshing gear (8) and the driving motor (9), and carrying out corrosion-resistant detection by matching with the acid-absorbing cotton (5) in the detection dividing piece (4);
the sampling detection mechanism (3) comprises an L-shaped lifting frame (31), four groups of adjustable sampling mechanisms (32) are connected to the bottom end of a vertical support arm of the L-shaped lifting frame (31), sampling components capable of being adjusted in a movable mode are arranged at the bottom ends of the adjustable sampling mechanisms (32), fixed sampling mechanisms (33) are fixedly arranged at the junction of the four groups of adjustable sampling mechanisms (32), sampling components are arranged at the bottom end of the fixed sampling mechanisms (33), and therefore five-point sampling of polyurethane plates is stably achieved.
2. The polyurethane board stability sampling detection device according to claim 1, wherein the lifting mechanism (2) comprises a rotating column (21) rotatably arranged at the top end of the test stand (1), and a driven gear (22) which is meshed with the meshing gear (8) and is matched with the meshing gear is fixedly arranged at the lower part of the outer side of the rotating column (21);
the side of the rotating column (21) is provided with a groove along the vertical direction, an adjusting screw (23) is rotatably arranged in the groove, a rotating motor (24) used for driving the adjusting screw (23) to rotate is arranged at the top end of the rotating column (21), the horizontal support arm of the L-shaped lifting frame (31) is in threaded fit with the adjusting screw (23), and guide rods are connected to two sides of the horizontal support arm of the L-shaped lifting frame (31).
3. The polyurethane board stability sampling detection device according to claim 2, wherein the adjustable sampling mechanism (32) comprises a fixing strip (321), an L-shaped connecting frame (323) is fixedly connected between the top end of the fixing strip (321) and a vertical support arm of the L-shaped lifting frame (31), a groove is arranged at the bottom end of the fixing strip (321), a rotary screw (322) is arranged in the groove, a toggle button (324) for driving the rotary screw (322) to rotate is arranged at one outer end of the fixing strip (321), and the sampling assembly is slidably arranged at the groove and is in threaded fit with the rotary screw (322);
the sampling assembly comprises a guide block with threads adapted to the outer side of the rotary screw (322), a sampling motor (325) is installed at the bottom end of the guide block, and a sampling piece (326) for sampling the polyurethane plate is connected to an output shaft of the sampling motor (325).
4. A polyurethane board stability sampling detection device according to claim 3, wherein the sampling member (326) comprises a sampling ring cutter (3261) for sampling, a carrying assembly for carrying the sampled sample is arranged in the sampling member (326), and a pressure sensor (3265) and a spring (3267) for carrying out corrosion resistance detection auxiliary treatment on the sampled sample are arranged on the carrying assembly;
threaded through holes are formed in the upper portions of two sides of the sampling ring cutter (3261), screw-in screws (3262) are connected to the threaded through holes in a threaded mode, hinge rods (3264) are hinged to one ends, located inside the sampling ring cutter (3261), of the screw-in screws (3262), lifting plates (3263) are arranged inside the sampling ring cutter (3261) in a hinged mode, vertical limiting sliding mode are arranged at one ends of the hinge rods (3264) in a hinged mode, pressure sensors (3265) are installed on the lower portions of the lifting plates (3263), springs (3267) are connected to the bottom ends of the pressure sensors (3265), and sucking discs (3266) used for sucking samples are connected to the bottom ends of the springs (3267).
5. The polyurethane board stability sampling detection device according to claim 2, wherein the upper parts of the sampling components on the adjustable sampling mechanism (32) are provided with fan-shaped plugging plates, and the upper parts of the fixed sampling mechanisms (33) are provided with round plugging plates;
the detection dividing piece (4) is composed of 4 groups of annular plugging plates and a group of experimental boxes which are arranged corresponding to the circular plugging plates, the experimental boxes and the plugging plates are made of transparent anti-corrosion materials, each group of experimental boxes are in an upper opening and lower opening mode, communicating pipes are connected between the adjacent experimental boxes, one sides of one group of air guide boxes are communicated with an air guide pipe (10), and a control valve is arranged on the air guide pipe (10).
6. The polyurethane board stability sampling detection device according to claim 1, wherein an acid supplementing component (7) is further installed on one side of the top end of the test stand (1), the acid supplementing component (7) comprises an acid storage tank (71) fixedly installed on the top end of the test stand (1) through supporting legs, an acid guide pipe (72) pointing to the acid absorbing cotton (5) is connected to one side of the lower portion of the acid storage tank (71), and a control valve is arranged on the acid guide pipe (72).
7. The polyurethane board stability sampling detection device according to claim 1, wherein the distance between the center line of the sampling detection mechanism (3) and the axis line of the lifting mechanism (2) is equal to the distance between the center line of the detection dividing piece (4) and the axis line of the lifting mechanism (2).
8. The polyurethane board stability sampling detection device according to claim 7, wherein the top end of the test stand (1) is further provided with an ultraviolet irradiation assembly (6), the ultraviolet irradiation assembly (6) comprises a mounting frame (61), and the top end of the mounting frame (61) is provided with an ultraviolet lamp (62) right above the detection dividing piece (4).
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