CN117007502B - Weather resistance detection device of polyurethane insulation board - Google Patents
Weather resistance detection device of polyurethane insulation board Download PDFInfo
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- CN117007502B CN117007502B CN202311274638.XA CN202311274638A CN117007502B CN 117007502 B CN117007502 B CN 117007502B CN 202311274638 A CN202311274638 A CN 202311274638A CN 117007502 B CN117007502 B CN 117007502B
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- 238000001514 detection method Methods 0.000 title claims abstract description 107
- 229920002635 polyurethane Polymers 0.000 title claims abstract description 58
- 239000004814 polyurethane Substances 0.000 title claims abstract description 58
- 238000009413 insulation Methods 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 claims abstract description 27
- 230000008569 process Effects 0.000 claims abstract description 24
- 238000004088 simulation Methods 0.000 claims description 119
- 150000003839 salts Chemical class 0.000 claims description 57
- 239000007921 spray Substances 0.000 claims description 43
- 238000001228 spectrum Methods 0.000 claims description 39
- 230000000149 penetrating effect Effects 0.000 claims description 18
- 238000002474 experimental method Methods 0.000 claims description 15
- 230000007246 mechanism Effects 0.000 claims description 14
- 239000004744 fabric Substances 0.000 claims description 13
- 238000000429 assembly Methods 0.000 claims description 8
- 230000000712 assembly Effects 0.000 claims description 8
- 230000008859 change Effects 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 6
- 230000002457 bidirectional effect Effects 0.000 claims description 4
- 230000006978 adaptation Effects 0.000 claims description 3
- 238000005286 illumination Methods 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 230000007613 environmental effect Effects 0.000 abstract description 8
- 230000003595 spectral effect Effects 0.000 description 18
- 238000007789 sealing Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 238000012360 testing method Methods 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 238000005187 foaming Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003920 environmental process Methods 0.000 description 1
- 239000004088 foaming agent Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
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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
- G01N17/002—Test chambers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
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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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
- G01N2001/2873—Cutting or cleaving
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- General Health & Medical Sciences (AREA)
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- Ecology (AREA)
- Environmental Sciences (AREA)
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- Environmental & Geological Engineering (AREA)
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- Mechanical Engineering (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The invention relates to the technical field of polyurethane insulation board detection, in particular to a weather resistance detection device of a polyurethane insulation board, which comprises the following components: a detection table; the rotating platen is rotatably arranged at the top end of the detection table, and a rotating shaft which is rotatably connected with the detection table is arranged at the bottom end of the rotating platen; the belt pulley is arranged above the detection table, a groove opposite to the belt pulley is formed in the top end of the detection table, and a motor for driving the belt pulley to rotate is arranged in the groove. According to the method, the influence of different environmental factors on the weather resistance of the polyurethane insulation board is effectively simulated in the actual use process, the detection of whether the section of the polyurethane insulation board is edge-sealed or not on the influence of the integral weather resistance is effectively realized, the detection of the influence of the external environmental factors on the weather resistance of the other side after the external environmental factors are contacted with one side of the sample can be realized, and the actual reference value is better for the actual use of the sample.
Description
Technical Field
The invention relates to the technical field of polyurethane insulation board detection, in particular to a weather resistance detection device for a polyurethane insulation board.
Background
The polyurethane heat-insulating board is a common building heat-insulating material, has good heat-insulating property and strength, and is light and easy to install. The main component of the polyurethane heat insulation board is polyurethane foaming material, liquid polyurethane is mixed into a foaming agent through a special process, and a uniform and fine foam structure is formed after foaming. The foam structure has unique micro air holes, can effectively prevent heat conduction, and achieves good heat preservation effect. The polyurethane heat-insulating board is suitable for the fields of external wall heat insulation, roof heat insulation, ground heat insulation and the like of buildings.
Compared with the traditional heat insulation material, the polyurethane heat insulation board has lower heat conductivity coefficient, can reduce the energy loss of a building and improve the energy utilization efficiency. In addition, polyurethane has better durability and moisture resistance, can prevent moisture from penetrating into the interior of a building, and effectively prolongs the service life of the building.
The polyurethane heated board is mostly outdoor in the in-process of in-service use, needs to contact with various external environmental factors, and under long-term complicated environmental contact, the weather resistance of the polyurethane heated board can be influenced to a great extent, so that the quality of the polyurethane heated board is changed, and the actual use effect is influenced. In the external contact process, the polyurethane thermal insulation board can harden, expand or shrink, so that the performance of the polyurethane thermal insulation board is affected, and therefore, the weather resistance detection of the polyurethane thermal insulation board is necessary. In the process of using the polyurethane insulation board outside, in order to adapt to the installation environment, the polyurethane insulation board is usually subjected to cutting treatment, so that more sections are generated, whether the sections need edge sealing or not is not required, and the influence on the weather resistance of the product is unknown. Therefore, we propose a weather resistance detection device of polyurethane insulation board.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a weather resistance detection device for a polyurethane insulation board.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
a weather resistance detection device of a polyurethane insulation board, comprising:
a detection table;
the rotating platen is rotatably arranged at the top end of the detection table, and a rotating shaft which is rotatably connected with the detection table is arranged at the bottom end of the rotating platen;
the belt pulley is arranged above the detection table, a groove opposite to the belt pulley is formed in the top end of the detection table, a motor for driving the belt pulley to rotate is arranged in the groove, and the belt pulley and the outer side of a rotating shaft at the bottom end of the rotating platen are sleeved with the same group of synchronous belts;
the clamping assemblies are arranged at the top ends of the rotating table boards and comprise an original clamping assembly and a comparison clamping assembly which are correspondingly arranged, the original clamping assembly and the comparison clamping assembly are identical in structure, clamping strips for clamping a sample to be detected are arranged on the original clamping assembly and the comparison clamping assembly, the original clamping assembly and the comparison clamping assembly are different in that side vent holes are formed in the clamping strips on the comparison clamping assembly, whether the weather resistance of the whole heat-insulating board is influenced by edge sealing of a section of the heat-insulating board or not is conveniently discussed, and detection assemblies for detecting the weather resistance experiment influence are further arranged on the original clamping assembly and the comparison clamping assembly;
the spectrum environment simulation box is provided with two groups, is symmetrically arranged at two sides of the rotating platen and is used for simulating spectrum change in the weather resistance experiment process, so that the influence of illumination on the weather resistance of the sample is realized;
the salt spray environment simulation box is provided with two groups, is symmetrically arranged on two sides of the rotary platen, and is provided with a spray head for simulating the salt spray environment for researching the influence of the acid-base humidity environment on the weather resistance of the sample.
As a preferred technical scheme of this application, contrast clamping assembly includes fixed mounting at the fixing base that rotates the platen top, the top of fixing base sets up for the opening, and rotate at the opening part and be provided with two-way screw, one side of fixing base is equipped with the servo motor that is used for driving two-way screw rotation, two-way screw's outside thread bush is equipped with two sets of moving direction and defines the screw sleeve at the horizontal direction, screw sleeve's top is all fixed mounting has the centre gripping strip for treat the polyurethane heated board that detects and carry out the centre gripping fixedly, conveniently stably realize weather resistance detection test's going on.
As a preferred technical scheme of this application, the top of fixing base is close to the side edge of the axial lead of rotation platen and installs the fixed strake of same altitude with the grip bar, bonds between fixed strake and the grip bar that corresponds has the flexible shutoff cloth of side to effectively guarantee that the grip bar receives the below subassembly and adjusts the back, the shutoff processing can be obtained in the space of two sets of, the closure when guaranteeing spectral environment simulation box and salt fog environment simulation box simulation experiment environment.
As a preferable technical scheme of the application, two sides of the clamping strip are also provided with T-shaped sliding grooves in the vertical direction, and detection assemblies for detecting influences generated by weather resistance experiments are slidably arranged at the T-shaped sliding grooves;
the detection assembly comprises lifting bars, two groups of sliding grooves in the horizontal direction are formed in the side faces of the lifting bars, two groups of T-shaped sliding bars are arranged in each group of sliding grooves in a sliding mode, T-shaped ends of the T-shaped sliding bars are arranged in the corresponding T-shaped sliding grooves on the clamping bars in a sliding mode, and therefore the position of the clamping bars after position adjustment is guaranteed, the detection assembly can still conduct position adjustment stably, and the detection process of an experiment is conducted.
As a preferable technical scheme of the application, the middle part of the lifting bar is provided with a through hole in the horizontal direction, a detection mechanism for detecting is slidably arranged at the through hole, the detection mechanism comprises a penetrating pipe penetrating through the through hole on the lifting bar, a limiting ring and a limiting plate which are respectively arranged at two sides of the lifting bar are arranged at the outer side and one end of the penetrating pipe, a holding handle for holding is arranged on the limiting plate, and a supporting screw penetrating through the holding handle and abutting against the lifting bar is arranged at two sides of the holding handle, so that the position of the detection mechanism is locked stably, and the instant stop effect of the movement of the detection mechanism is ensured during detection;
the one end of wearing to establish the pipe is equipped with the telescopic link, and the one end of telescopic link is equipped with the conflict ball that is used for contacting with the sample surface, and the telescopic link is located wearing to establish the inside one end of pipe and is connected with spring and pressure sensor, and then carries out audio-visual show with ageing conditions etc. of holistic sample surface with the mode of pressure numerical value to effectively judge the weatherability of actual sample.
As a preferred technical scheme of this application, spectrum environment simulation box includes simulation box I, and simulation box I is close to one side that rotates the platen and is the opening setting to be equipped with a plurality of spectrum lamps that dismantle the change in inside, thereby effectively adjust the spectrum in the weatherability experimentation, discuss the influence of different spectrums to polyurethane heated board weatherability.
As a preferred technical scheme of this application, salt fog environment simulation box includes simulation box II, and simulation box II is close to one side of rotating the platen and is the opening setting to run through on the top and be equipped with the liquid storage pot, the liquid storage pot runs through the inside one end intercommunication of stretching into simulation box II and is provided with the shower nozzle for with salt fog blowout, make inside formation salt fog environment, thereby realize the influence of salt fog to the weatherability of actual polyurethane heated board differently.
As a preferable technical scheme of the application, the top plugging components are arranged on one sides of the top ends of the spectrum environment simulation box and the salt spray environment simulation box, which are close to the rotating bedplate, and are used for plugging the upper half area in the experimental process, so that the tightness of the spectrum environment simulation box and the salt spray environment simulation box in the environment simulation process is ensured, and the influence of external factors is reduced;
the top shutoff subassembly is including fixed frame, the inboard slip of fixed frame is provided with the lift connecting strip of two sets of vertical settings, be connected with the flexible shutoff cloth of top surface that is used for the closed environment between the lift connecting strip, one side that the lift connecting strip kept away from each other all is equipped with the sliding tray of vertical direction, and it is provided with spacing stake to slide in the sliding tray, spacing stake one end rotation be connected with the telescopic screw of fixed frame side screw adaptation, and then through telescopic screw's setting, effectively adjust the position of two sets of lift connecting strips, realize the position control when detecting the sample of different specification sizes, ensure the seal when spectrum environment simulation box, salt fog environment simulation box simulation environment.
As a preferred technical scheme of this application, detect the top of platform and set up flutedly in the region that corresponds with spectral environment simulation box and salt fog environment simulation box to rotate in the recess and be equipped with adjusting screw II, and detect the outside of platform and be equipped with the driving motor who is used for driving corresponding adjusting screw II, adjusting screw II's outside screw-thread fit is provided with spacing L shape link that removes inside the recess, L shape link's one end is connected with spectral environment simulation box or salt fog environment simulation box that corresponds, spectral environment simulation box and salt fog environment simulation box's bottom all is connected with the bracing piece, and the one end of bracing piece is equipped with the support ball that contacts with the top of detecting the platform, the removal of spectral environment simulation box and salt fog environment simulation box is realized to stability under driving motor, L shape link and adjusting screw II's effect, thereby guarantee spectral environment simulation box and salt fog environment simulation box and original clamping assembly or contrast clamping assembly's laminating, realize detecting process's going on.
The beneficial effects of the invention are as follows:
the adjustable comparison clamping assembly is arranged, so that samples with different sizes are fixedly clamped, and the arrangement of the rotary platen, the spectrum environment simulation box and the salt spray environment simulation box with position adjustment is matched, so that the influence of different environment factors on the weather resistance of the polyurethane insulation board is effectively discussed;
the detection of the influence of the edge sealing of the cross section of the product on the integral weather resistance in the weather resistance detection process of the polyurethane insulation board is effectively realized through the distinguishing arrangement of the clamping strips on the original clamping assembly and the comparison clamping assembly, and the detection of the influence of the external environment factors on the weather resistance of the other side after contacting one side of the sample is effectively realized by matching with the arrangement of the detection assemblies on the two sides of the comparison clamping assembly, so that the practical reference value is better for the practical use of the sample;
through the flexible shutoff cloth of side and the flexible shutoff cloth of top surface's setting, the airtight of whole experimental environment when effectively making spectral environment simulation box and salt fog environment simulation box simulation experiment environmental process reduces external environment to the influence of experiment.
In summary, this application effectively simulates the influence of different environmental factors to polyurethane heated board's weatherability at in-service use's in-process, has still effectively realized whether the section of polyurethane heated board banding is to the detection of holistic influence of weatherability to can realize the detection of the weather resistance influence of external environmental factor and sample one side back to the another side, practical reference value is better for the in-service use of sample.
Drawings
Fig. 1 is a schematic structural diagram of a weather resistance detection device for a polyurethane insulation board provided by the invention;
fig. 2 is a schematic diagram of a part of a weather resistance detection device of a polyurethane insulation board according to the present invention;
fig. 3 is a schematic cross-sectional structure diagram of a spectrum environment simulation box of a weather resistance detection device of a polyurethane insulation board;
fig. 4 is a schematic cross-sectional structural view of a salt spray environment simulation box of a weather resistance detection device of a polyurethane insulation board provided by the invention;
fig. 5 is a schematic structural diagram of a control clamping assembly of a weather resistance detection device for a polyurethane insulation board according to the present invention;
fig. 6 is an enlarged schematic view of a position a of a weather resistance detection device of a polyurethane insulation board according to the present invention;
fig. 7 is a schematic structural diagram of a detection assembly of a weather resistance detection device for a polyurethane insulation board according to the present invention;
fig. 8 is a schematic structural diagram of a weather resistance detection device for a polyurethane insulation board according to the present invention;
fig. 9 is a schematic structural diagram of a top plugging assembly of a weather resistance detection device for a polyurethane insulation board.
In the figure: 1. a detection table; 2. rotating the platen; 3. a belt pulley; 4. spectral environment simulation box; 41. simulation box I; 42. a spectral lamp; 5. salt fog environment simulation box; 51. a simulation box II; 52. a liquid storage tank; 53. a spray head; 6. an original clamping assembly; 7. a control clamping assembly; 71. a fixing seat; 72. a bidirectional screw; 73. a servo motor; 74. a detection assembly; 741. lifting bars; 742. a T-shaped slide bar; 743. a detection mechanism; 7431. penetrating a pipe; 7432. a limiting ring; 7433. a telescopic rod; 7434. a grip handle; 7435. a limiting plate; 75. clamping the strip; 76. fixing the edge strips; 77. a side flexible blocking cloth; 8. a top closure assembly; 81. a fixed frame; 82. a telescopic screw; 83. lifting the connecting strip; 84. a top surface flexible plugging cloth; 9. a driving motor; 10. an L-shaped connecting frame; 11. and adjusting the screw II.
Detailed Description
The following description of the embodiments of the present invention 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 invention, but not all embodiments.
Fig. 1-4 are diagrams illustrating a first embodiment of the present application:
the position of the clamping assembly is adjusted through the cooperation of the rotating platen 2 and the belt pulley 3, samples clamped and fixed on the original clamping assembly 6 and the comparison clamping assembly 7 are moved, the samples are moved to the areas corresponding to the spectrum environment simulation box 4 and the salt spray environment simulation box 5, and the positions of the spectrum environment simulation box 4 and the salt spray environment simulation box 5 are adjusted through the adjustment, so that one surface of the clamped polyurethane insulation board is placed in the use environment simulated by the spectrum environment simulation box 4 and the salt spray environment simulation box 5, and the influence of humidity, salt spray conditions and spectrum irradiation on the weather resistance of the polyurethane insulation board is obtained.
A weather resistance detection device of a polyurethane insulation board, comprising:
a detection table 1;
the rotating platen 2 is rotatably arranged at the top end of the detection table 1, and a rotating shaft which is rotatably connected with the detection table 1 is arranged at the bottom end of the rotating platen 2;
the belt pulley 3 is arranged above the detection table 1, a groove opposite to the belt pulley 3 is formed in the top end of the detection table 1, a motor for driving the belt pulley 3 to rotate is arranged in the groove, and the belt pulley 3 and the outer side of a rotating shaft at the bottom end of the rotating platen 2 are sleeved with the same group of synchronous belts;
the clamping assemblies are provided with two groups and are uniformly distributed at the top end of the rotary platen 2, each clamping assembly comprises an original clamping assembly 6 and a comparison clamping assembly 7 which are correspondingly arranged, the original clamping assembly 6 and the comparison clamping assembly 7 have the same structure, and clamping strips 75 for clamping a sample to be detected are arranged on each of the original clamping assembly 6 and the comparison clamping assembly 7;
the spectrum environment simulation boxes 4 are provided with two groups and are symmetrically arranged at two sides of the rotary platen 2 and are used for simulating spectrum changes in the weather resistance experiment process so as to realize the influence of illumination on the weather resistance of the sample;
the salt spray environment simulation box 5 is provided with two groups, and is symmetrically arranged on two sides of the rotary platen 2, and the salt spray environment simulation box 5 is provided with a spray head 53 for simulating salt spray environment for researching the influence of acid-base humidity environment on the weather resistance of the sample.
As the preferred technical scheme of this embodiment, spectral environment simulation box 4 includes simulation box I41, and simulation box I41 is close to the one side of rotating platen 2 and is the opening setting to be equipped with a plurality of spectral lamps 42 that dismantle the change in inside, thereby effectively adjust the spectrum in the weatherability experimentation, discuss the influence of different spectrums to polyurethane heated board weatherability.
As the preferred technical scheme of this embodiment, salt spray environment simulation box 5 includes simulation box II 51, and the one side that simulation box II 51 is close to the rotation platen 2 is the opening setting to run through on the top and be equipped with reservoir 52, reservoir 52 runs through the one end intercommunication that stretches into simulation box II 51 inside and is provided with the shower nozzle for with salt spray blowout, make inside formation salt spray environment, thereby realize the influence of salt spray to the weather resistance of actual polyurethane heated board differently.
As the preferred technical scheme of this embodiment, the top of detecting platform 1 is set up flutedly in the region that corresponds with spectral environment simulation box 4 and salt fog environment simulation box 5, and be equipped with adjusting screw ii 11 in the recess internal rotation, and the outside of detecting platform 1 is equipped with the driving motor 9 that is used for driving corresponding adjusting screw ii 11, adjusting screw ii 11's outside screw thread cooperation is provided with spacing L shape link 10 that removes inside the recess, the one end of L shape link 10 is connected with spectral environment simulation box 4 or salt fog environment simulation box 5 that corresponds, spectral environment simulation box 4 and salt fog environment simulation box 5's bottom all are connected with the bracing piece, and the one end of bracing piece is equipped with the supporting ball that contacts with the top of detecting platform 1, the removal of spectral environment simulation box 4 and salt fog environment simulation box 5 is realized steadily under driving motor 9, L shape link 10 and adjusting screw ii 11's effect, thereby guarantee spectral environment simulation box 4 and salt fog environment simulation box 5 and the laminating of original clamping assembly 6 or contrast clamping assembly 7, realize the progress of testing process.
Fig. 5-9 are diagrams illustrating a second embodiment of the present application:
in the second embodiment, based on the structure of the first embodiment, the difference that the clamping strip 75 on the comparison clamping assembly 7 has the side vent hole in the vertical direction compared with the clamping strip 75 on the original clamping assembly 6 is utilized, so that after the polyurethane insulation board is clamped and fixed by the original clamping assembly 6 and the comparison clamping assembly 7, the side cutting surface of the polyurethane insulation board on the comparison clamping assembly 7 is directly contacted with the simulation environment through the side vent hole, and the side cutting surface of the polyurethane insulation board on the original clamping assembly 6 is plugged under the action of the clamping strip 75 on the original clamping assembly 6, which is equivalent to performing edge sealing treatment, thereby effectively discussing whether the cutting end surface of the polyurethane insulation board is exposed to the outside during actual use and has an effect on the overall weather resistance;
the detection assemblies 74 on the two sides of the original clamping assembly 6 and the comparison clamping assembly 7 are arranged, so that the influence on the weather resistance of the other side when the contact between one side of the polyurethane heat-insulating board and the simulated use environment influences the weather resistance in the weather resistance detection process is effectively detected, and the influence factors in actual use are better judged;
the spectrum environment simulation box 4 and the salt spray environment simulation box 5 are further internally airtight in the process of simulating the service environment through the cooperation of the top plugging component 8, the clamping strips 75, the fixing side strips 76 and the side flexible plugging cloth 77 in the actual use, so that the interference of external factors on experiments is reduced.
The original clamping assembly 6 and the comparison clamping assembly 7 are different in that the clamping strip 75 on the comparison clamping assembly 7 is provided with a side vent hole, so that whether the section of the heat-insulating plate is sealed or not affects the weather resistance of the whole heat-insulating plate can be conveniently discussed, and the original clamping assembly 6 and the comparison clamping assembly 7 are also provided with a detection assembly 74 for detecting the weather resistance experiment effect;
as the preferred technical scheme of this embodiment, contrast clamping assembly 7 includes fixing base 71 of fixed mounting at rotating platen 2 top, the top of fixing base 71 is the opening setting to rotate at the opening part and be provided with bi-directional screw 72, one side of fixing base 71 is equipped with the servo motor 73 that is used for driving bi-directional screw 72 rotatory, the outside thread bush of bi-directional screw 72 is equipped with two sets of moving direction and defines the screw sleeve in the horizontal direction, screw sleeve's top all fixed mounting has grip strip 75 for the polyurethane heated board that treats the detection carries out the centre gripping fixedly, conveniently stably realizes the going on of weather resistance detection test.
As a preferred technical scheme of the embodiment, a fixed edge strip 76 with the same height as the clamping strip 75 is installed at the side edge of the top end of the fixed seat 71, which is close to the axis of the rotating platen 2, and a side flexible blocking cloth 77 is adhered between the fixed edge strip 76 and the corresponding clamping strip 75, so that after the clamping strip 75 is regulated by a lower component, two groups of spaces can be blocked, and the sealing performance of the spectral environment simulation box 4 and the salt spray environment simulation box 5 in the experimental environment simulation is ensured.
As a preferable technical scheme of the embodiment, two sides of the clamping strip 75 are also provided with vertical T-shaped sliding grooves, and a detection component 74 for detecting influence generated by weather resistance experiments is slidably arranged at the T-shaped sliding grooves;
the detecting component 74 comprises a lifting bar 741, two groups of sliding grooves in the horizontal direction are formed in the side face of the lifting bar 741, two groups of T-shaped sliding bars 742 are slidably arranged in each group of sliding grooves, the T-shaped ends of the T-shaped sliding bars 742 are slidably arranged in the corresponding T-shaped sliding grooves on the clamping bars 75, and further, after the position of the clamping bars 75 is adjusted, the detecting component 74 can still stably adjust the position, and the detecting process of an experiment is performed.
As a preferred technical solution of this embodiment, a through hole in a horizontal direction is provided in the middle of the lifting bar 741, and a detection mechanism 743 for detecting is slidably provided at the through hole, where the detection mechanism 743 includes a penetrating pipe 7431 penetrating the through hole on the lifting bar 741, a limiting ring 7432 and a limiting plate 7435 are installed on the outer side and one end of the penetrating pipe 7431 and are separately provided on two sides of the lifting bar 741, a holding handle 7434 for holding is provided on the limiting plate 7435, and a supporting screw penetrating the holding handle 7434 and abutting against the lifting bar 741 is provided on two sides of the holding handle 7434, so that the position of the detection mechanism 743 is stabilized, and the instant stop effect of the movement of the detection mechanism 743 is ensured during detection;
one end of the penetrating pipe 7431 is provided with a telescopic rod 7433, one end of the telescopic rod 7433 is provided with a collision ball used for contacting with the surface of the sample, one end of the telescopic rod 7433 positioned inside the penetrating pipe 7431 is connected with a spring and a pressure sensor, and further, the aging condition and the like of the whole surface of the sample are visually displayed in a pressure value mode, so that the weather resistance of the actual sample is effectively judged.
As the preferred technical scheme of the embodiment, the top plugging components 8 are arranged on one sides of the top ends of the spectrum environment simulation box 4 and the salt spray environment simulation box 5, which are close to the rotating platen 2, and are used for plugging the upper half area in the experimental process, so that the tightness of the spectrum environment simulation box 4 and the salt spray environment simulation box 5 in the environment simulation process is ensured, and the influence of external factors is reduced;
the top shutoff subassembly 8 includes fixed frame 81, the inboard slip of fixed frame 81 is provided with the lift connecting strip 83 of two sets of vertical settings, be connected with the flexible shutoff cloth 84 of top surface that is used for the closed environment between the lift connecting strip 83, one side that lift connecting strip 83 kept away from each other all is equipped with the sliding tray of vertical direction, and be provided with spacing stake in the sliding tray is slided, spacing stake's one end rotation be connected with the telescopic screw 82 of fixed frame 81 side screw adaptation, and then through telescopic screw 82's setting, effectively adjust the position of two sets of lift connecting strip 83, realize the position control when detecting the sample of different specification sizes, ensure the seal when spectral environment simulation box 4, salt fog environment simulation box 5 simulation environment.
Working principle: firstly, in the actual use process, firstly, a polyurethane insulation board to be detected is cut into two groups of regular rectangles with the same specification, the two groups of regular rectangles are placed on an original clamping assembly 6 and a comparison clamping assembly 7 which are correspondingly arranged, then, the two groups of clamping strips 75 are driven to approach through a servo motor 73, so that the clamping of a sample is realized, at the moment, the cut section of the sample positioned on the comparison clamping assembly 7 is contacted with the outside through a side vent hole on the corresponding clamping strip 75, and the cut section of the sample positioned on the original clamping assembly 6 is subjected to edge sealing treatment through the corresponding clamping strip 75, so that the contact with the outside is isolated;
after the clamping is fixed, effective reference and comparison are provided for subsequent weather resistance changes by dividing detection points on the sample and detecting the pressure of the corresponding detection points by the sliding detection assembly 74 and the detection mechanism 743 on the detection assembly 74;
then the belt pulley 3 drives the rotating platen 2 to integrally rotate through the starting motor, the rotating platen is rotated to the corresponding area of the spectrum environment simulation box 4 or the salt spray environment simulation box 5, the driving motor 9 drives the adjusting screw II 11 to rotate, the L-shaped connecting frame 10 is further realized to drive the spectrum environment simulation box 4 or the salt spray environment simulation box 5 fixedly connected with the L-shaped connecting frame to move until one side of the fixed strake 76 is flush with the side surface of the spectrum environment simulation box 4 or the salt spray environment simulation box 5, at the moment, the side surfaces of the clamping strips 75 are all positioned in the spectrum environment simulation box 4 or the salt spray environment simulation box 5, the weather resistance detection is effectively carried out, the influence detection of the side surface ports of the sample is realized, then the weather resistance detection is realized after the weather resistance detection is carried out by adjusting the top sealing component 8, the distance between the lifting connecting strips 83 is adjusted to drive the top flexible sealing cloth 84 to be matched with the side flexible sealing cloth 77 on the clamping component 7, the sealing treatment is carried out by matching with the opening of the spectrum environment simulation box 4 or the salt spray environment simulation box 5, and the weather resistance detection is carried out after the weather resistance detection is carried out for a period of the component in the spectrum environment simulation box 4 or the salt spray environment simulation box 5;
when the performance of the sample contacted with the sample is changed due to the change of the simulated environment in the spectrum environment simulation box 4 or the salt spray environment simulation box 5 after a period of time, the surface of the sample is correspondingly changed or hardened or contracted, at this time, the influence of the corresponding environmental factors in the whole experimental process on the weather resistance of the sample can be effectively judged by restoring the spectrum environment simulation box 4 or the salt spray environment simulation box 5 to the original position, sliding the detection assembly 74 and the detection mechanism 743 on the detection assembly 74, and changing the pressure value fed back by the internal pressure sensor after the telescopic rod 7433 contacts with the corresponding potential of the surface of the sample and the pressure value of the corresponding point before the experiment through the change of the pressure value of the internal pressure sensor on the detection mechanism 743;
in the process, the change of the pressure values before and after the two groups of samples on the original clamping assembly 6 and the control clamping assembly 7 can be detected to effectively judge whether the section edge sealing of the sample has influence on the weather resistance of the sample;
the pressure value detection can be performed by sliding the detection component 74 which is far away from the sample experiment surface and is arranged on the control clamping component 7 in the whole detection process, so that the detection of the weather resistance influence of the external environment factors on the other surface after the external environment factors are contacted with one surface of the sample in the whole detection process can be performed, and a better practical reference value is achieved for practical use of the sample.
Finally, it should be noted that: in the description of the present invention, 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 invention 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 invention.
In the description of the present invention, 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 invention 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 invention, and the present invention 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 invention 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 invention should be included in the protection scope of the present invention.
Claims (4)
1. The utility model provides a weatherability detection device of polyurethane heated board which characterized in that includes:
a detection table (1);
the rotating platen (2) is rotatably arranged at the top end of the detection table (1), and a rotating shaft which is rotatably connected with the detection table (1) is arranged at the bottom end of the rotating platen (2);
the belt pulley (3) is arranged above the detection table (1), a groove opposite to the belt pulley (3) is formed in the top end of the detection table (1), a motor for driving the belt pulley (3) to rotate is arranged in the groove, and the belt pulley (3) and the outer side of a rotating shaft at the bottom end of the rotating platen (2) are sleeved with the same group of synchronous belts;
the clamping assemblies are arranged at the top ends of the rotating table plates (2) and comprise an original clamping assembly (6) and a comparison clamping assembly (7) which are correspondingly arranged, the original clamping assembly (6) and the comparison clamping assembly (7) are identical in structure, clamping strips (75) used for clamping samples to be detected are arranged on the original clamping assembly (6) and the comparison clamping assembly (7), the difference between the original clamping assembly (6) and the comparison clamping assembly (7) is that the clamping strips (75) on the comparison clamping assembly (7) are provided with side vent holes, and whether the edges of the section of the heat-insulating plate are sealed or not is convenient to discuss the influence of weather resistance of the whole heat-insulating plate, and a detection assembly (74) used for detecting the influence of weather resistance experiments is further arranged on the original clamping assembly (6) and the comparison clamping assembly (7);
the spectrum environment simulation boxes (4) are provided with two groups and are symmetrically arranged at two sides of the rotary table plate (2) and used for simulating spectrum change in the weather resistance experiment process so as to realize the influence of illumination on the weather resistance of the sample;
the salt spray environment simulation boxes (5) are provided with two groups and are symmetrically arranged on two sides of the rotary table plate (2), and spray heads (53) for simulating salt spray environments are arranged on the salt spray environment simulation boxes (5) and are used for researching the influence of acid-base humidity environments on the weather resistance of samples;
the spectrum environment simulation box 4 and the salt spray environment simulation box 5 move and are attached to the original clamping assembly 6 or the contrast clamping assembly 7, so that the detection process is carried out;
the contrast clamping assembly (7) comprises a fixed seat (71) fixedly arranged at the top end of the rotary table plate (2), the top end of the fixed seat (71) is provided with an opening, a bidirectional screw (72) is rotatably arranged at the opening, one side of the fixed seat (71) is provided with a servo motor (73) for driving the bidirectional screw (72) to rotate, two groups of threaded sleeves with moving directions limited in the horizontal direction are sleeved on the outer side of the bidirectional screw (72), and clamping strips (75) are fixedly arranged at the top ends of the threaded sleeves;
a fixed edge strip (76) with the same height as the clamping strip (75) is arranged at the side edge of the top end of the fixed seat (71) close to the axial lead of the rotating bedplate (2), and a side flexible plugging cloth (77) is adhered between the fixed edge strip (76) and the corresponding clamping strip (75);
the two sides of the clamping strip (75) are also provided with vertical T-shaped sliding grooves, and detection assemblies (74) for detecting the influence generated by the weather resistance experiment are slidably arranged at the T-shaped sliding grooves;
the detection assembly (74) comprises lifting strips (741), two groups of sliding grooves in the horizontal direction are formed in the side surfaces of the lifting strips (741), two groups of T-shaped sliding rods (742) are slidably arranged in each group of sliding grooves, and the T-shaped ends of the T-shaped sliding rods (742) are slidably arranged in the T-shaped sliding grooves on the corresponding clamping strips (75);
the middle part of the lifting strip (741) is provided with a through hole in the horizontal direction, a detection mechanism (743) for detecting is slidably arranged at the through hole, the detection mechanism (743) comprises a penetrating pipe (7431) penetrating through the through hole on the lifting strip (741), a limiting ring (7432) and a limiting plate (7435) which are respectively arranged at two sides of the lifting strip (741) are arranged at the outer side and one end of the penetrating pipe (7431), a holding handle (7434) for holding is arranged on the limiting plate (7435), and a supporting screw which is penetrated and used for supporting the lifting strip (741) is arranged at two sides of the holding handle (7434);
one end of the penetrating pipe (7431) is provided with a telescopic rod (7433), one end of the telescopic rod (7433) is provided with a contact ball for contacting with the surface of the sample, and one end of the telescopic rod (7433) positioned in the penetrating pipe (7431) is connected with a spring and a pressure sensor;
a top plugging component (8) is arranged at one side, close to the rotating platen (2), of the top ends of the spectrum environment simulation box (4) and the salt spray environment simulation box (5);
the top shutoff subassembly (8) is including fixed frame (81), and the inboard of fixed frame (81) is slided and is provided with two sets of lift connecting strips (83) of vertical setting, is connected with between lift connecting strips (83) and is used for the flexible shutoff cloth (84) of top surface of closed environment, and one side that lift connecting strips (83) keep away from each other all is equipped with the sliding tray of vertical direction to sliding in the sliding tray is provided with spacing stake, and the one end rotation of spacing stake is connected with telescopic screw (82) with fixed frame (81) side screw thread adaptation.
2. The weather resistance detection device of the polyurethane insulation board according to claim 1, wherein the spectrum environment simulation box (4) comprises a simulation box I (41), one side of the simulation box I (41) close to the rotating platen (2) is provided with an opening, and a plurality of spectrum lamps (42) which can be detached and replaced are arranged inside the simulation box I.
3. The weather resistance detection device of the polyurethane insulation board according to claim 1, wherein the salt spray environment simulation box (5) comprises a simulation box II (51), one side of the simulation box II (51) close to the rotating platen (2) is provided with an opening, a liquid storage tank (52) is penetrated through the top end of the simulation box II, and a spray head is communicated with one end of the liquid storage tank (52) penetrating through the interior of the simulation box II (51).
4. The weather resistance detection device of the polyurethane insulation board according to claim 1, wherein the top end of the detection table (1) is provided with a groove in a region corresponding to the spectrum environment simulation box (4) and the salt spray environment simulation box (5), an adjusting screw II (11) is rotatably arranged in the groove, a driving motor (9) for driving the corresponding adjusting screw II (11) is arranged on the outer side of the detection table (1), an L-shaped connecting frame (10) which is in limiting movement in the groove is arranged on the outer side of the adjusting screw II (11) in a threaded fit mode, one end of the L-shaped connecting frame (10) is connected with the corresponding spectrum environment simulation box (4) or the salt spray environment simulation box (5), support rods are connected to the bottom ends of the spectrum environment simulation box (4) and the salt spray environment simulation box (5), and support balls in contact with the top end of the detection table (1) are arranged at one end of the support rods.
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| CN202311274638.XA CN117007502B (en) | 2023-09-28 | 2023-09-28 | Weather resistance detection device of polyurethane insulation board |
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| CN202311274638.XA CN117007502B (en) | 2023-09-28 | 2023-09-28 | Weather resistance detection device of polyurethane insulation board |
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