CN114062239B - Device for simulating plate damp environment - Google Patents
Device for simulating plate damp environment Download PDFInfo
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- CN114062239B CN114062239B CN202111401188.7A CN202111401188A CN114062239B CN 114062239 B CN114062239 B CN 114062239B CN 202111401188 A CN202111401188 A CN 202111401188A CN 114062239 B CN114062239 B CN 114062239B
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- 229910052602 gypsum Inorganic materials 0.000 claims description 83
- 239000010440 gypsum Substances 0.000 claims description 83
- 238000007789 sealing Methods 0.000 claims description 43
- 239000007788 liquid Substances 0.000 claims description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 238000005192 partition Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 3
- 239000003570 air Substances 0.000 description 93
- 238000001514 detection method Methods 0.000 description 18
- 238000010521 absorption reaction Methods 0.000 description 14
- 238000012360 testing method Methods 0.000 description 11
- 238000009833 condensation Methods 0.000 description 4
- 230000005494 condensation Effects 0.000 description 4
- 238000009423 ventilation Methods 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 230000003628 erosive effect Effects 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002250 absorbent Substances 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
Classifications
-
- 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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- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Environmental & Geological Engineering (AREA)
- Environmental Sciences (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The invention discloses a device for simulating a plate humidifying environment, which comprises a sample humidifying chamber and an air humidifying device, wherein the sample humidifying chamber is arranged on the sample humidifying chamber, the sample humidifying chamber comprises a box body, a humidifying structure and a humidifying bearing structure.
Description
Technical Field
The invention relates to the technical field of gypsum board inspection, in particular to a device for simulating a board damp environment.
Background
The gypsum board is a material prepared from the main raw material of building gypsum, has the advantages of light weight, high strength, thin thickness, sound insulation, heat insulation, fire resistance and the like, has wide application in the building decoration industry, and needs quality detection after the gypsum board is produced, wherein the moisture-sensitive bonding detection is an important factor for judging the quality of the board, and has important influence on the use effect and the service life of the board.
When the existing gypsum board is subjected to wet adhesion detection, the detection board is generally placed in a natural environment with high air humidity in a workshop to be subjected to wet, and the board is subjected to adhesion test after being subjected to wet for a period of time, but when the wet adhesion test is carried out in the mode, the air humidity in the environment is unstable, so that the board is different in wet condition under the same wet time, the detection test result of the wet adhesion of the board can be greatly influenced, the quality of the board with problems can not be rapidly and effectively found, and partial unqualified products can flow into the market, and therefore, a device for simulating the wet environment of the board needs to be designed.
Disclosure of Invention
The invention aims to provide a device for simulating the damp environment of a board, which solves the problems that the quality of the board cannot be found rapidly and effectively and the board cannot flow into the market due to the influence of different damp conditions of the board caused by unstable air humidity in the natural environment when the conventional gypsum board is subjected to the damp bonding test.
In order to solve the technical problems, the invention specifically provides the following technical scheme:
an apparatus for simulating a sheet material dampening environment, comprising:
the sample humidifying chamber is used for providing a stable humidifying space for the gypsum board;
the air humidifying device is arranged on the sample humidifying chamber and is used for providing humidifying air for the sample humidifying chamber;
the sample humidifying chamber comprises a box body, a humidifying structure and a humidifying bearing structure, wherein the humidifying structure is arranged in the box body and communicated with the air humidifying device, and the humidifying bearing structure is arranged in the humidifying structure;
the wet structure is used for enabling the wet air to be added uniformly to wet the gypsum board, and the wet bearing structure is used for bearing the contact position of the gypsum board, which is wetted under different conditions and is alternately changed with the gypsum board.
As a preferable scheme of the invention, the humidifying structure comprises two humidity adding plates which are parallel to a horizontal plane and are connected with the inner wall of the box body in sequence along the vertical direction, a cavity is formed in each humidity adding plate, each cavity is communicated with a pipeline connecting structure communicated with the air humidifying device, a plurality of pressure holes are formed in the inner walls of the two cavities opposite to each other, the pressure holes are used for simultaneously releasing humid air to the space between the two humidity adding plates when the humid air pressure in the cavity reaches a certain value, and the two humidity adding plates and the inner wall of the box body form a closed humidifying space together.
As a preferred scheme of the invention, the cavity comprises a cavity, a division plate and air inlet pipelines, wherein the cavity is arranged in the moisture adding plate, the division plate is provided with a plurality of air inlet chambers which are arranged in the cavity at equal intervals along a horizontal straight line, a plurality of air inlet chambers are formed between the division plate and the inner wall of the cavity, the air inlet pipelines are provided with a plurality of air inlet chambers and are respectively arranged on the air inlet chambers, and each air inlet pipeline is communicated with the pipeline connecting structure and is used for controlling the on-off of the air inlet pipeline through a valve so as to control the moisture adding path between the two moisture adding plates.
As a preferable scheme of the invention, the moisture adding plate comprises a plate body arranged on the inner wall of the box body along the horizontal direction, a plurality of linear grooves communicated with the inside of the corresponding air inlet chamber are arranged on the opposite side walls of the two plate bodies, and each linear groove is connected with a sliding sealing seat in a sliding sealing way;
the cavity is arranged inside the plate body, and the pressure hole is arranged on the sliding sealing seat and is communicated with the cavity.
As a preferable scheme of the invention, the pressure hole comprises a through hole arranged on the sliding seal seat and an annular groove arranged on the inner wall of the through hole, a sealing plate which is propped against and sealed with the inner wall, close to the cavity, in the annular groove is connected in a sliding manner through a sealing spring, and a ventilation groove is arranged on the inner wall of the annular groove along the direction of the central line;
the sealing plate is used for sealing or opening the through hole, and collecting and draining condensed liquid into the annular groove when the through hole is opened.
As a preferable scheme of the invention, an arc-shaped groove is arranged on one side, far away from the cavity, of the sealing plate on the plate body with higher horizontal height, an annular water collecting groove for collecting condensed liquid in the arc-shaped groove is arranged on one side, far away from the cavity, of the annular groove, corresponding to the edge of the arc-shaped groove, and a passage for guiding the liquid to the outside of the plate body is arranged at the inner bottom of the annular water collecting groove.
As a preferable scheme of the invention, the damping bearing structure comprises two supporting plates, alternative bearing structures and carrier rollers, wherein the two supporting plates are arranged on the inner wall of the box body along the horizontal direction, the alternative bearing structures are provided with a plurality of the carrier rollers and are arranged between the two supporting plates at equal intervals along the length direction of the supporting plates, the carrier rollers are provided with a plurality of the carrier rollers and are respectively arranged on each alternative bearing structure, and the two carrier rollers on each alternative bearing structure bear gypsum boards in an alternative motion mode along the vertical direction.
As a preferable scheme of the invention, the alternating bearing structure comprises lifting grooves which are arranged on the opposite side walls of the two supporting plates along the vertical direction, wherein two lifting screws are arranged in one lifting groove along the vertical direction, the two lifting screws are fixedly connected with cylindrical gears, the two cylindrical gears are meshed with each other, two sliding blocks which move along the vertical direction are connected in each lifting groove in a sliding manner, the two sliding blocks are respectively sleeved with the two lifting screws in a threaded manner, and the carrier roller is arranged on the two corresponding sliding blocks.
As a preferable scheme of the invention, the carrier roller comprises a connecting shaft and a plurality of roller bodies, wherein the connecting shaft is rotatably arranged between the two corresponding sliding blocks, and the roller bodies are fixedly connected to the connecting shaft at equal intervals along the axial direction of the connecting shaft.
As a preferable scheme of the invention, a plurality of moisture absorption structures for cleaning the surface of the carrier roller are arranged between the two support plates along the length direction of the support plates and correspond to the carrier roller, each moisture absorption structure comprises an arc plate arranged between the two support plates and moisture absorption sponge glued on the inner wall of the arc plate, the bottom of each arc plate is rotationally connected with a rotating wheel propped against the surface of the carrier roller, and the rotating wheels are used for driving the carrier roller to rotate so as to ensure that the surface of the carrier roller is completely contacted with the moisture absorption sponge.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, the gypsum board is borne by the wet bearing structure, the wet air is stably added by the air humidifying device to simulate a stable humidity environment in the sample humidifying chamber, and the added wet air is uniformly added by the wet bearing structure, so that the gypsum board is uniformly humidified in the sample humidifying chamber, the same humidifying condition of the gypsum board is ensured under the same humidifying time, the efficiency of the gypsum board bonding test and the accuracy of the detection result are improved, the production and market inflow of unqualified products are avoided, the contact position between the wet bearing structure and the gypsum board is alternately changed, the non-humidified area on the surface of the gypsum board is avoided, and the influence on the gypsum board bonding detection test result is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those of ordinary skill in the art that the drawings in the following description are exemplary only and that other implementations can be obtained from the extensions of the drawings provided without inventive effort.
FIG. 1 is a schematic view of a device for simulating a wet environment of a plate according to an embodiment of the present invention;
FIG. 2 is a schematic view of a portion of a structure providing a wetted structure according to an embodiment of the present invention;
FIG. 3 is a schematic view of a structure of a wetted bearing structure according to an embodiment of the present invention;
fig. 4 is a schematic top view of a wet bearing structure according to an embodiment of the present invention.
Reference numerals in the drawings are respectively as follows:
1-a sample humidification chamber; 2-an air humidification device;
101-a box body; 102-a wet structure; 103-a wet load bearing structure; 104-a moisture adding plate; 105-cavity; 106-a pipeline connection structure; 107-pressure holes; 108-a chamber; 109-dividing plate; 110-an air inlet pipeline; 111-an intake chamber; 112-plate body; 113-a linear groove; 114-sliding seal holder; 115-a through hole; 116-an annular groove; 117-sealing spring; 118-sealing plate; 119-vent grooves; 120-arc grooves; 121-an annular sump; 122-pass; 123-supporting plates; 124-alternating support structure; 125-carrier rollers; 126-lifting groove; 127-lifting screw; 128-cylindrical gear; 129-slider; 130-connecting shaft; 131-roller body; 132-absorbent structure; 133-arc plate; 134-a hygroscopic sponge; 135-wheel.
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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 to 4, the present invention provides a device for simulating a wet environment of a board, comprising:
a sample humidifying chamber 1 for providing a stable humidifying space for the gypsum board;
an air humidifying device 2 which is arranged on the sample humidifying chamber 1 and is used for providing humidifying air for the sample humidifying chamber;
the sample humidifying chamber 1 comprises a box body 101, a humidifying structure 102 and a humidifying bearing structure 103, wherein the humidifying structure 102 is arranged inside the box body 101 and is communicated with the air humidifying device 2, and the humidifying bearing structure 103 is arranged in the humidifying structure 102;
wherein, the humidifying structure 102 is used for uniformly adding the humidifying air to uniformly humidify the gypsum board, and the humidifying bearing structure 103 is used for bearing the contact position of the gypsum board, which is humidified under different conditions and is alternately changed.
When the invention is used, the sample placing port is arranged on the box body 101, the gypsum board is loaded by the sample placing port damp bearing structure 103 of the box body 101, and the air humidifying device 2 adds damp air into the box body 101, and meanwhile, the damp air is uniformly dispersed by the damp structure 102, so that the uniformity of the distribution of the damp air in the box body 101 and the consistency of the damp time and the damp condition of the gypsum board are ensured, the influence of the unstable air humidity in the environment on the damp condition of the gypsum board is avoided, and the accuracy of the adhesion test result of the gypsum board is improved.
Secondly, the contact positions between the wet bearing structure 103 and the gypsum board are alternately changed, so that the surfaces of the gypsum board are in a wet environment, and the problem that the accuracy of the wet bonding result is affected due to the influence of the shielding of the contact positions between the wet bearing structure 103 and the gypsum board on the partial areas is avoided.
The air humidifying device 2 is used for stably manufacturing and adding supermarket air, and comprises an air humidifier, a water tank which supplies water and manufactures moist air from the air humidifier and adds the moist air into the box 101.
Further, a hygrothermograph may be further disposed in the box 101 to accurately control and regulate the air humidity in the box 101.
The humidifying structure 102 comprises two humidity adding plates 104 which are parallel to the horizontal plane and connected with the inner wall of the box body 101 in sequence along the vertical direction, a cavity 105 is formed in each humidity adding plate 104, each cavity 105 is communicated with a pipeline connecting structure 106 communicated with the air humidifying device 2, a plurality of pressure holes 107 are formed in the inner walls of the two cavities 105 opposite to each other, the pressure holes 107 are used for simultaneously releasing humid air to the space between the two humidity adding plates 104 when the humid air pressure in the cavities 105 reaches a certain value, and the two humidity adding plates 104 and the inner wall of the box body 101 form a closed humidifying space together.
When the humidifying structure 102 is used, the air humidifying device 2 adds humid air into the cavities 105 in the two humidity adding plates 104 through the pipeline connecting structure 106, and the humid air is limited to be released into the airtight humidifying space between the humidity adding plates 104 and the box 101 before being filled in the cavities 105 through the arrangement of the pressure holes 107, so that the problem that the humid air enters the airtight humidifying space in one direction from the air outlet of the pipeline connecting structure 106 to be contacted with the surface of the gypsum board, so that the air humidity is high and the ambient air is impacted, and the internal air humidity is unstable is avoided.
Through the pressure holes 107 arranged, a plurality of pressure holes 107 are opened simultaneously through air pressure after the inside of the cavity 105 is filled with humid air, so that the humid air is added into the sealed humidifying space, the humidifying time and the humidifying degree of each part of the surface of the gypsum board are ensured to be the same, and the accuracy of the result of the gypsum board humidifying and bonding test is improved.
The cavity 105 includes a cavity 108, a partition plate 109 and an air intake duct 110, the cavity 108 is disposed in the moisture adding plate 104, the partition plate 109 is disposed in the cavity 108 in a plurality of equal intervals along a horizontal straight line, a plurality of air intake chambers 111 are formed between the partition plates 109 and inner walls of the cavity 108, the air intake duct 110 is disposed in a plurality of air intake chambers 111, and each air intake duct 110 is communicated with the duct connecting structure 106 and is used for controlling on-off of the air intake duct 110 by a valve so as to control a moisture adding path between the two moisture adding plates 104.
The chamber 108 is divided into the plurality of air inlet chambers 111 through the partition plate 109, so that the pipeline connecting structure 106 fills moist air into the plurality of air inlet chambers 111 respectively through the plurality of air inlet pipelines 110, the added moist air is divided and added through the air inlet chambers 111, the on-off of the air inlet pipelines 110 is controlled by the valve, so that whether the corresponding air inlet chambers 111 are added with the moist air or not is controlled, the specific positions of the pressure holes 107 through which the moist air passes are controlled, the moist air is added near the preset surface of the gypsum board, the flowing direction of the moist air is simulated to wet the gypsum board, the preset areas on the surface of the gypsum board are respectively severely wetted and slightly wetted, and the adhesive detection test is performed on the simulated wet gypsum board under different wet conditions, so that the accuracy of the adhesive detection test result of the gypsum board is further improved.
The moisture adding plate 104 comprises plate bodies 112 arranged on the inner wall of the box body 101 along the horizontal direction, a plurality of linear grooves 113 communicated with the interiors of the corresponding air inlet chambers 111 are arranged on the opposite side walls of the two plate bodies 112, and each linear groove 113 is connected with a sliding sealing seat 114 in a sliding sealing manner;
wherein the chamber 108 is disposed inside the plate 112, and the pressure hole 107 is disposed on the sliding seal seat 114 and communicates with the chamber 108.
The sliding seal seat 114 is matched and connected with the linear groove 113, and the sliding seal seat 114 is fixed in the linear groove 113 through the fixing bolt, namely, the sliding seal seat 114 can be freely detached and replaced, and after the corresponding air inlet chamber 111 is filled with moist air and reaches a certain air pressure, the moist air is sprayed into the airtight moist space at a certain speed, so that the detection result of the moist adhesion of the gypsum board after the gypsum board is wetted in the moist air environment with different initial flow rates is simulated, the detection condition of the gypsum board is enlarged, the actual moist environment of the gypsum board is further attached, and the accuracy of the moist adhesion detection result of the gypsum board is further improved.
Moreover, the moist air is still released simultaneously through the pressure holes 107, and the moist air released between the different inlet chambers 111 has the same initial conditions so that no great interference occurs between each other, ensuring the stability of the humidity of the surrounding air when the plasterboard is wet.
The pressure hole 107 comprises a through hole 115 arranged on the sliding seal seat 114 and an annular groove 116 arranged on the inner wall of the through hole 115, a sealing plate 118 which is abutted against and sealed with the inner wall of the annular groove 116 close to the chamber 108 is connected in the annular groove 116 in a sliding manner through a sealing spring 117, and an air vent groove 119 is arranged on the inner wall of the annular groove 116 along the central line direction;
the sealing plate 118 is used for sealing or opening the through hole 115, and collecting and draining condensed liquid into the annular groove 116 when the through hole 115 is opened.
When the humid air passes through the pressure hole 107, when the air pressure in the air inlet chamber 111 reaches a certain value, the sealing plate 118 slides along the inner wall of the annular groove 116 under the action of the air pressure and compresses the sealing spring 117, when the sealing plate 118 is separated from contact with one side of the annular groove 116 and moves to the ventilation groove 119, the two sides of the ventilation groove 119 are respectively positioned at the two sides of the sealing plate 118, the humid air 119 sequentially passes through the through hole 115, the annular groove 116 and the ventilation groove 119 and enters the airtight damp space again through the through hole 115, the adjustment of the air humidity in the airtight damp space is completed, the air environment with stable humidity in the airtight damp space is provided, and the accuracy of the detection result of the damp adhesion of the gypsum board is improved.
Secondly, moist air is in contact with the sealing plate 118 in the air inlet chamber 111 for a long time, so that partial liquid is condensed on the surface of the sealing plate 118, particularly, liquid water drops condensed on the sealing plate 118 in the plate body 112 with higher height can drop onto the gypsum board in the airtight damp space, the partial area of the gypsum board is corroded by the liquid, the accuracy of the moisture-affected bonding detection result of the gypsum board can be affected, the condensed liquid is guided to the annular groove 116 through the sealing plate 118 to be collected, the condition that the moisture-affected condition of the gypsum board is affected by the fact that the condensed liquid falls onto the surface of the gypsum board is avoided, and the accuracy of the moisture-affected bonding detection result of the gypsum board is further improved.
The condensed liquid on the sealing plate 118 in the lower level plate body 112 does not enter the closed moisture-receiving space by gravity.
An arc-shaped groove 120 is arranged on one side, far away from the cavity 108, of the sealing plate 118 on the plate body 112 with higher horizontal height, an annular water collecting groove 121 for collecting liquid condensed in the arc-shaped groove 120 is arranged on the side, far away from the cavity 108, of the annular groove 116, corresponding to the edge of the arc-shaped groove 120, and a passage 122 for guiding the liquid to the outside of the plate body 112 is arranged at the inner bottom of the annular water collecting groove 121.
When moist air condenses on the upper and lower sides of the sealing plate 118, the liquid on the upper side surface of the sealing plate 118 slides along the surface to the peripheral side and falls into the annular water collecting groove 121 to be collected, meanwhile, as the arc-shaped groove 120 is arranged on the lower side of the sealing plate 118, the liquid sliding off the peripheral side surface of the sealing plate 118 only slides to the connection part of the lower side surface of the sealing plate 118 and the arc-shaped groove 120 and does not slide to the middle position of the lower side surface of the sealing plate 118, so that the condensed liquid falls into the annular sealing groove 121 at the connection part of the lower side surface of the sealing plate 118 and the arc-shaped groove 120.
And the liquid in the arc-shaped groove 120 on the lower side surface of the condensation sealing plate 118 can slide to the connection between the sealing plate 118 and the arc-shaped groove 120 along the inner wall of the arc-shaped groove 120, so that the liquid slides to the inside of the annular water collecting groove 121, the condition that the condensed liquid falls to the surface of the gypsum board to influence the moisture condition of the gypsum board is avoided, and the accuracy of the moisture bonding detection result of the gypsum board is ensured.
The liquid in the annular water collecting tank 121 is discharged through the arranged passage 122, so that the problem that the liquid in the annular water collecting tank 121 is collected more and overflows and falls to the surface of the gypsum board is avoided.
The damp bearing structure 103 comprises two supporting plates 123, alternative bearing structures 124 and carrier rollers 125, wherein the two supporting plates 123 are arranged on the inner wall of the box body 101 along the horizontal direction, the alternative bearing structures 124 are arranged in a plurality and are arranged between the two supporting plates 123 at equal intervals along the length direction of the supporting plates 123, the two carrier rollers 125 are arranged on each alternative bearing structure 124 in a plurality, and the two carrier rollers 125 on each alternative bearing structure 124 are used for bearing gypsum boards in an alternative motion along the vertical direction.
When the wet bearing structure 103 is used, the supporting plate 123 provides mounting supporting positions for the alternate bearing structure 124, the carrier roller 125 is used for bearing the gypsum board to stably wet, the contact position between the carrier roller 125 and the gypsum board is a straight line, the contact surface is small, and the problem that the accuracy of the wet bonding detection result is reduced due to the fact that the contact bearing position area of the gypsum board is greatly affected when the gypsum board is wet is avoided.
Secondly, through the level of two bearing roller 125 of alternative bearing structure 124 adjustment in turn for two bearing roller 125 on every alternative bearing structure 124 contact with the bottom of gypsum board in turn bears the weight of the gypsum board, guaranteed promptly that the stability of gypsum board wets, secondly avoided bearing roller 125 to contact with the gypsum board for a long time influences the problem that the wet condition of gypsum board in contact position department and the moist air condensation caused the liquid erosion, further guaranteed that the gypsum board wets the condition stable and the same, and further improved the accuracy of gypsum board wet bonding testing result.
In this embodiment, the actions of the plurality of alternate support structures 124 are performed sequentially, that is, the alternate support structures 124 located on both sides of the center line of the gypsum board and close to the ends of the gypsum board firstly act, then the rest of the alternate support structures 124 act again, that is, the alternate contact between the carrier roller 125 and the gypsum board is ensured, and secondly, the influence of the movement of the gypsum board on the wet condition is avoided.
Further, the plurality of alternate support structures 124 may also alternately adjust the idler rollers 125 in sequence to ensure that the position of the gypsum board is not changed.
The alternate bearing structure 124 comprises lifting grooves 126 arranged on opposite side walls of the two supporting plates 123 along the vertical direction, wherein two lifting screws 127 are arranged in one lifting groove 126 along the vertical direction, the two lifting screws 127 are fixedly connected with cylindrical gears 128, the two cylindrical gears 128 are meshed with each other, two sliding blocks 129 moving along the vertical direction are connected in each lifting groove 126 in a sliding manner, the two sliding blocks 129 are respectively sleeved with the two lifting screws 127 in a threaded manner, and the carrier roller 125 is arranged on the corresponding two sliding blocks 129.
When the alternate bearing structure 124 is used, one of the lifting screws 127 is driven to rotate and the corresponding cylindrical gear 128 is driven to synchronously rotate, the cylindrical gear 128 drives the other cylindrical gear 128 and the other lifting screw 127 to rotate through meshing, so that the two lifting screws 127 reversely rotate, the two sliding blocks 129 move in opposite directions in the vertical direction, the carrier roller 125 moves in the vertical direction under the driving of the corresponding sliding blocks 129, the two carrier rollers 125 are driven to move in two opposite directions in the vertical direction through the two sliding blocks 129 moving in opposite directions, and accordingly the two carrier rollers 125 are alternately contacted with the bottom of the gypsum board, the problem that the moisture condition of the gypsum board at the contact position and the liquid erosion caused by condensation of moisture-affected air are avoided due to the fact that the carrier rollers 125 are contacted with the gypsum board for a long time is further guaranteed, the stability and the same of the moisture-affected condition of the gypsum board are further guaranteed, and the accuracy of the moisture-affected adhesive detection result of the gypsum board is further improved.
The carrier roller 125 includes a connecting shaft 130 and a plurality of roller bodies 131, the connecting shaft 130 is rotatably disposed between two corresponding sliding blocks 129, and the roller bodies 131 are fixedly connected to the connecting shaft 130 at equal intervals along the axial direction of the connecting shaft 130.
The roller bodies 131 are arranged on the connecting shaft 130, so that stable bearing of the gypsum board is ensured, the contact area between the carrier roller 125 and the gypsum board is reduced, and the problem that the carrier roller 125 is corroded by liquid condensation when contacting the gypsum board is further avoided.
A plurality of moisture absorption structures 132 for cleaning the surface of the carrier roller 125 are arranged between the two support plates 123 along the length direction of the support plates 123 and correspond to the carrier roller 125, each moisture absorption structure 132 comprises an arc plate 133 arranged between the two support plates 123 and a moisture absorption sponge 134 glued on the inner wall of the arc plate 133, a rotating wheel 135 propped against the surface of the carrier roller 125 is rotatably connected to the bottom of the arc plate 133, and the rotating wheel 135 is used for driving the carrier roller 125 to rotate so that the surface of the carrier roller 125 is completely contacted with the moisture absorption sponge 134.
The roller 125 is driven to rotate by driving the rotating wheel 135, so that the roller 125 contacts the moisture absorption sponge 134 after being separated from contact with the gypsum board by a descending height, and the peripheral side surfaces of the roller 125 are contacted with the moisture absorption sponge 134 under the driving of the rotating wheel 135, thereby ensuring the surface drying of the roller 125 and avoiding the problem of erosion of the gypsum board caused by condensed liquid on the surface of the roller 125.
The arrangement of the arc plate 133 makes the moisture absorption sponge 134 glued on the inner wall also arc-shaped, so that the moisture absorption sponge 134 is attached to the surface of the carrier roller 125 when contacting with the carrier roller 125, and the moisture absorption effect of the moisture absorption sponge 134 on the surface of the carrier roller 125 is further improved.
The above embodiments are only exemplary embodiments of the present application and are not intended to limit the present application, the scope of which is defined by the claims. Various modifications and equivalent arrangements may be made to the present application by those skilled in the art, which modifications and equivalents are also considered to be within the scope of the present application.
Claims (5)
1. An apparatus for simulating a wet environment of a sheet material, comprising:
a sample humidifying chamber (1) for providing a stable humidifying space for the gypsum board;
the air humidifying device (2) is arranged on the sample humidifying chamber (1) and is used for providing humidifying air for the sample humidifying chamber;
the sample humidifying chamber (1) comprises a box body (101), a humidifying structure (102) and a humidifying bearing structure (103), wherein the humidifying structure (102) is arranged in the box body (101) and is communicated with the air humidifying device (2), and the humidifying bearing structure (103) is arranged in the humidifying structure (102);
the humidifying structure (102) is used for uniformly adding humidifying air to uniformly humidify the gypsum board, and the humidifying bearing structure (103) is used for bearing the contact position of the gypsum board, which is humidified under different conditions and is alternately changed;
the humidifying structure (102) comprises two humidity adding plates (104) which are parallel to a horizontal plane and are connected with the inner wall of the box body (101) in sequence along the vertical direction a, a cavity (105) is formed in each humidity adding plate (104), each cavity (105) is communicated with a pipeline connecting structure (106) communicated with the air humidifying device (2), a plurality of pressure holes (107) are formed in the inner wall, opposite to the two cavities (105), of each cavity, the pressure holes (107) are used for simultaneously releasing humid air to the space between the two humidity adding plates (104) when the humid air pressure in the cavities (105) reaches a certain value, and the two humidity adding plates (104) and the inner wall of the box body (101) jointly form a closed humidifying space;
the cavity (105) comprises a cavity (108), a partition plate (109) and air inlet pipelines (110), the cavity (108) is arranged in the moisture adding plate (104), the partition plate (109) is provided with a plurality of air inlet chambers (111) which are arranged in the cavity (108) at equal intervals along a horizontal straight line, a plurality of air inlet pipelines (110) are formed between the partition plate (109) and the inner wall of the cavity (108), the air inlet pipelines (110) are provided with a plurality of air inlet chambers (111) and are respectively arranged on the air inlet chambers (111), and each air inlet pipeline (110) is communicated with the pipeline connecting structure (106) and is used for controlling the on-off of the air inlet pipeline (110) through a valve so as to control the moisture adding path between the two moisture adding plates (104);
the moisture adding plate (104) comprises plate bodies (112) arranged on the inner wall of the box body (101) along the horizontal direction, a plurality of linear grooves (113) communicated with the inside of the corresponding air inlet chamber (111) are arranged on the opposite side walls of the two plate bodies (112), and each linear groove (113) is connected with a sliding sealing seat (114) in a sliding sealing manner;
wherein the chamber (108) is arranged inside the plate body (112), and the pressure hole (107) is arranged on the sliding seal seat (114) and is communicated with the chamber (108);
the pressure hole (107) comprises a through hole (115) arranged on the sliding seal seat (114) and an annular groove (116) arranged on the inner wall of the through hole (115), the annular groove (116) is connected with a sealing plate (118) which is propped against and sealed with the inner wall, close to the cavity (108), in the annular groove (116) through a sealing spring (117) in a sliding manner, and an air vent groove (119) is formed in the inner wall of the annular groove (116) along the central line direction;
wherein the sealing plate (118) is used for sealing or opening the through hole (115) and collecting and draining condensed liquid into the annular groove (116) when the through hole (115) is opened;
one side, which is far away from the cavity (108), of the sealing plate (118) on the plate body (112) with higher horizontal height is provided with an arc-shaped groove (120), one side, which is far away from the cavity (108), of the annular groove (116) is provided with an annular water collecting groove (121) for collecting condensed liquid in the arc-shaped groove (120) corresponding to the edge of the arc-shaped groove (120), and the inner bottom of the annular water collecting groove (121) is provided with a passage (122) for draining the liquid to the outside of the plate body (112).
2. A device for simulating a wet environment of a sheet material in accordance with claim 1, wherein: the utility model provides a bearing structure (103) wets, including backup pad (123), alternate bearing structure (124) and bearing roller (125), backup pad (123) are provided with two and set up along the horizontal direction on the inner wall of box (101), alternate bearing structure (124) are provided with a plurality of and set up two along the length direction equidistant of backup pad (123) between backup pad (123), bearing roller (125) are provided with a plurality of and respectively be provided with two on every alternate bearing structure (124), and every two on the alternate bearing structure (124) bearing roller (125) are along vertical direction alternate motion bearing gypsum board.
3. A device for simulating a wet environment of a sheet material in accordance with claim 2, wherein: the alternating bearing structure (124) comprises lifting grooves (126) which are arranged on opposite side walls of the supporting plate (123) along the vertical direction, two lifting screws (127) are arranged in the lifting grooves (126) along the vertical direction, the lifting screws (127) are fixedly connected with cylindrical gears (128), the cylindrical gears (128) are meshed with each other, two sliding blocks (129) which move along the vertical direction are connected in the lifting grooves (126) in a sliding manner, the two sliding blocks (129) are respectively sleeved with the two lifting screws (127) in a threaded manner, and the carrier rollers (125) are arranged on the corresponding two sliding blocks (129).
4. A device for simulating a wet environment of a sheet material in accordance with claim 3, wherein: the carrier roller (125) comprises a connecting shaft (130) and a plurality of roller bodies (131), wherein the connecting shaft (130) is rotatably arranged between the corresponding two sliding blocks (129), and the roller bodies (131) are fixedly connected to the connecting shaft (130) at equal intervals along the axial direction of the connecting shaft (130).
5. The apparatus for simulating a wet environment of a board according to claim 4, wherein: the two support plates (123) are provided with a plurality of hygroscopic structures (132) which are used for cleaning liquid on the surface of the support roller (125) along the length direction of the support plates (123), each hygroscopic structure (132) comprises an arc plate (133) arranged between the two support plates (123) and a hygroscopic sponge (134) glued on the inner wall of the arc plate (133), a rotating wheel (135) which is propped against the surface of the support roller (125) is rotationally connected with the bottom of the arc plate (133), and the rotating wheel (135) is used for driving the support roller (125) to rotate so that the surface of the support roller (125) is completely contacted with the hygroscopic sponge (134).
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| CN114062239A (en) | 2022-02-18 |
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