CN114923803A - Moisture-permeable and moisture-absorbing tester for finished shoes - Google Patents

Moisture-permeable and moisture-absorbing tester for finished shoes Download PDF

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Publication number
CN114923803A
CN114923803A CN202210440411.7A CN202210440411A CN114923803A CN 114923803 A CN114923803 A CN 114923803A CN 202210440411 A CN202210440411 A CN 202210440411A CN 114923803 A CN114923803 A CN 114923803A
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China
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steam
permeable
moisture
measuring scale
test box
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CN202210440411.7A
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Chinese (zh)
Inventor
彭飘林
刘昭霞
侯霞
陈敏
梁子裕
丁绍兰
杜坚
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Shaanxi University of Science and Technology
Liming Vocational University
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Shaanxi University of Science and Technology
Liming Vocational University
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Priority to CN202210440411.7A priority Critical patent/CN114923803A/en
Publication of CN114923803A publication Critical patent/CN114923803A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N5/00Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
    • G01N5/02Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by absorbing or adsorbing components of a material and determining change of weight of the adsorbent, e.g. determining moisture content
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/08Investigating permeability, pore-volume, or surface area of porous materials
    • G01N15/0806Details, e.g. sample holders, mounting samples for testing
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/08Investigating permeability, pore-volume, or surface area of porous materials
    • G01N15/082Investigating permeability by forcing a fluid through a sample

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  • Chemical & Material Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Dispersion Chemistry (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
  • Investigating Or Analyzing Materials Using Thermal Means (AREA)

Abstract

The invention discloses a moisture-permeable and moisture-absorbing tester for finished shoes, which comprises a test box, a water vapor generating device, a vapor inlet pipe, a vapor return pipe, a differential pressure sensor, a vapor-permeable shoe mold, a measuring scale, a placing tray and a rotating frame, wherein the vapor inlet pipe is connected with the vapor return pipe; the test box comprises a test box body, and is characterized in that a rectangular opening is formed in the side wall of the test box body, the rotating frame comprises a main sealing plate, an upper edge plate and a lower edge plate, the upper edge plate and the lower edge plate are formed on the same side of the main sealing plate, rotating shafts are arranged at the upper end and the lower end of the main sealing plate, first sealing strips are arranged on the edges of the two sides of the main sealing plate respectively, the rotating frame rotates in the rectangular opening, the measuring scale is placed on the lower edge plate of the rotating frame, and the placing tray is installed on the measuring scale. Compared with the prior art in which the measuring scale is always placed in the test box or is manually taken up when measuring the hygroscopicity, the loss of water vapor to the measuring scale is reduced, the influence of taking the measuring scale on the measuring precision of the measuring scale is reduced, and the measuring precision is improved.

Description

Moisture-permeable and moisture-absorbing tester for finished shoes
The invention relates to an improved moisture and humidity absorption tester for finished shoes and a testing method thereof, which are a divisional application of Chinese patent application No. 202010278914.X, wherein the application No. 202010278914.X is originally applied, and the application date is 2020 and 10 months 04.
Technical Field
The invention relates to the technical field of molding test, in particular to a finished shoe moisture permeability and moisture absorption tester and a test method.
Background
The water vapor absorption and water vapor permeability of the finished shoes are closely related to the comfort and the sanitation of the finished shoes, and are important factors influencing the comfort and the sanitation. The finished shoes are irregular complex bodies formed by various materials, and comprise vamp materials, shoe lining materials, sole materials, adhesives, inner toe caps, structural design, shoe manufacturing process and the like, and the performance of the finished shoes cannot be truly reflected by the moisture absorption and moisture permeability test of the sole shoe materials.
The moisture-permeable moisture absorption tester for the existing finished shoes is used for measuring the scale of silica gel and is always positioned in the test box, but the silica gel is only used for measuring the moisture permeability of the finished shoes, long-time moisture absorption measurement is needed before the moisture permeability is measured, the silica gel is measured for overlong time and is exposed in the environment with higher humidity, and the service life and the use precision of the silica gel measuring scale are shortened. In addition, the condensed liquid drops are easy to drop to the sole and absorbed by the shoe in the pipeline, and the reasonable authenticity of the test data is certainly weakened.
In view of the above, the applicant has made an intensive study on the above-mentioned defects in the prior art, and has made this invention.
Disclosure of Invention
The invention mainly aims to provide a finished shoe moisture permeability and absorption tester which has the characteristics of reducing the loss of a silica gel measuring scale and prolonging the service life.
In order to achieve the above purpose, the solution of the invention is:
a moisture-permeable and moisture-absorbing tester for finished shoes comprises a test box, a water vapor generating device, a vapor inlet pipe, a vapor return pipe, a differential pressure sensor, a vapor-permeable shoe mold, a measuring scale, a placing tray and a rotating frame; the steam inlet pipe, the steam return pipe and the differential pressure sensor are connected with the inner cavity of the test box, and one ends of the steam inlet pipe and the steam return pipe, which are far away from the test box, are connected with the steam generation device; the steam-permeable shoe mold is placed in a shoe to be tested, and the steam inlet pipe, the steam return pipe and the differential pressure sensor are respectively detachably connected to the steam-permeable shoe mold; the test box comprises a test box body, and is characterized in that a rectangular opening is formed in the side wall of the test box body, the rotating frame comprises a main sealing plate, an upper edge plate and a lower edge plate, the upper edge plate and the lower edge plate are formed on the same side of the main sealing plate, rotating shafts are arranged at the upper end and the lower end of the main sealing plate, first sealing strips are arranged on the edges of the two sides of the main sealing plate respectively, the rotating frame rotates in the rectangular opening, the measuring scale is placed on the lower edge plate of the rotating frame, and the placing tray is installed on the measuring scale.
Furthermore, a protective edge is formed on the lower edge plate of the rotating frame, and a drainage groove is formed in the protective edge.
Furthermore, floating edges which are located around the rectangular opening and extend towards the outer side of the test box are formed on the outer side wall of the test box, and the rotating shaft of the rotating frame is rotatably connected to the upper end and the lower end of each floating edge.
Furthermore, the upper end of the upper edge plate and the lower end of the lower edge plate of the rotating frame are respectively provided with a second sealing strip, and the second sealing strips are connected with the first sealing strips.
Furthermore, a plurality of steam-permeable holes are formed in the instep and the sole of the steam-permeable shoe mold, hollow columns extending towards the inner cavity of the steam-permeable shoe mold are formed in the steam-permeable holes, the hollow columns are gradually reduced from the root to the top, and the height of the hollow columns at the sole is larger than that of the instep.
Further, a breathable and waterproof microporous membrane is arranged at the opening of the hollow column. The microporous membrane is an expanded polytetrafluoroethylene membrane.
Further, the upper end of the hollow column at the sole position is formed with an inclined plane part, and the microporous membrane is covered on the inclined plane part.
Furthermore, a condensed water U-shaped elbow is arranged on the steam inlet pipe at one end of the outer side of the test box, which is close to the test box, and a condensed water discharge pipe is arranged at the bottom of the condensed water U-shaped elbow.
Furthermore, an ultrasonic device and a heating device are arranged on a steam inlet pipe at one end of the outer side of the test box, which is close to the test box, and the heating temperature is 35 +/-2 ℃.
An improved finished shoe moisture permeability and moisture absorption testing method comprises the following steps:
firstly, adjusting the shoes to be measured for 48 hours in an environment with the temperature of 35 +/-2 ℃ and the relative humidity of 90 +/-5%; measuring the weight of the shoe to be measured to be m 1; the steam-permeable shoe mold is arranged in the regulated shoe to be measured, and the steam inlet pipe, the steam return pipe and the differential pressure sensor are connected with the steam-permeable shoe mold; initially, the lower edge plate of the rotating frame is positioned outside the test box;
secondly, starting the water vapor generating device to generate water vapor with the temperature of 35 +/-2 ℃ and the relative humidity of 90 +/-5%; setting the temperature in the test chamber to 35 +/-2 ℃; starting timing; the pressure difference between the water vapor in the vapor-permeable shoe mold and the ambient atmosphere is stabilized at 0.12 +/-0.02 kPa;
thirdly, after 8 hours of water vapor is introduced, stopping introducing the water vapor, taking down the shoe to be measured and immediately measuring to obtain the shoe to be measured with the mass m 2; calculating to obtain the moisture absorption W of the shoe to be tested, which is m2-m 1;
fourthly, the ventilated shoe mold is arranged in the regulated shoe to be measured, and the steam inlet pipe, the steam return pipe and the differential pressure sensor are connected with the ventilated shoe mold; continuously introducing water vapor, and restarting timing; the pressure difference between the water vapor in the vapor-permeable shoe mold and the ambient atmosphere is stabilized at 0.12 +/-0.02 kPa;
after introducing water vapor for 8 hours, stopping introducing the water vapor, placing 200g of the dried silica gel particles 160 and 200g on a placing tray of the measuring scale, and turning over the rotating frame to transfer the measuring scale into the test box from the outside of the test box; sealing the test chamber; when the humidity in the test chamber is reduced to a relatively stable value, reading the mass meter of the silica gel as m 3; introducing water vapor into the vapor-permeable shoe mold for 4 hours and then stopping introducing the water vapor; when the humidity in the test chamber is relatively stable again, reading the mass meter of the silica gel to be m 4; and calculating to obtain the moisture permeability P ═ m4-m3)/4 of the shoe to be tested.
After adopting the structure, the finished shoe moisture permeability and moisture absorption tester and the test method thereof have the following beneficial effects:
firstly, through setting up the rotating turret, measure when measuring the hygroscopicity and measure the balance and be located the proof box outside, steam to the loss of measuring the balance when having reduced the measurement hygroscopicity. When the moisture permeability is measured, the measuring scale is transferred into the test box through the rotation of the rotating frame. Therefore, the time of the measuring scale in the test box is shortened, and the service life and the service precision of the measuring scale are improved.
Two be provided with first sealing strip on the main shrouding, the sealing strip can take place deformation with shutoff main shrouding both sides with gap between the rectangle opening reduces the steam outflow.
And thirdly, discharging condensed water condensed on the upper surface of the lower edge plate through a drainage groove on the protecting edge, wherein the protecting edge plays a role in protecting the measuring scale.
Fourthly, through setting up hollow post has reduced the comdenstion water in the ventilative shoe mould and has passed through the steam-permeable hole seepage to the shoes that await measuring, hollow post reduces from root to top gradually, makes the entry of hollow post is less than the export, reduces the probability that the comdenstion water that drips enters into to hollow post. The condensed water is further isolated by the arrangement of the microporous membrane.
And fifthly, the water vapor generated by the water vapor generating device is conveyed through the steam inlet pipe, the water vapor in midway gradually cools the water vapor to form tiny liquid drops, the condensed water attached to the inner wall of the steam inlet pipe can be intercepted through the U-shaped elbow of the condensed water, the volume of the tiny liquid drops in the water vapor is further reduced through the crushing action of the ultrasonic device, and the heating device is matched with the ultrasonic device to supply energy to the crushed tiny liquid drops. Therefore, the quantity of liquid drops in the water vapor entering the vapor-permeable shoe mold is reduced as much as possible, and the measurement accuracy is improved.
Compared with the prior art in which the measuring scale is always placed in the test box or is manually taken up when measuring the hygroscopicity, the loss of water vapor to the measuring scale is reduced, the influence of taking the measuring scale on the measuring precision of the measuring scale is reduced, and the measuring precision is improved.
Drawings
Fig. 1 is a schematic view of the whole structure of a finished shoe moisture permeability and absorption tester.
Fig. 2 is a sectional view showing the structure of the air permeable shoe mold.
Fig. 3 is a schematic structural view of a hollow column.
Fig. 4 is a schematic structural view of a hollow column with a bevel portion.
Fig. 5 is a schematic diagram of the structure of the present invention with an ultrasonic device, a heating device and a U-bend for condensing water.
Fig. 6 is an enlarged view of the structure at a in fig. 5.
Fig. 7 and 8 are perspective views of the turret.
Fig. 9 is a schematic top view of the turret.
In the figure:
a test chamber 1; a rectangular opening 11; a floating edge 12; a temperature sensor 13; a humidity sensor 14;
a water vapor generation device 2;
a steam inlet pipe 21; a condensate U-bend 22; a condensed water discharge pipe 23; an ultrasonic device 24; a heating device 25; a steam return pipe 26; a differential pressure sensor 27;
a vapor-permeable shoe mold 3; a vapor-permeable hole 31; a hollow column 32; a microporous membrane 33; a ramp portion 34;
a measuring scale 4; a placement tray 41;
a rotating frame 5; a main seal plate 51; a rotating shaft 511; a first seal strip 512; a second sealing strip 513; an upper edge plate 52; a lower edge plate 53; a protective edge 531; a water discharge groove 532;
the shoe 6 to be tested.
Detailed Description
In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following specific examples.
As shown in fig. 1 to 9, the moisture permeability and absorption tester for finished shoes according to the present invention comprises a test chamber 1, a moisture generating device 2, a steam inlet pipe 21, a steam return pipe 26, a differential pressure sensor 27, a steam permeable shoe mold 3, a measuring scale 4, a placing tray 41 and a rotating frame 5; the steam inlet pipe 21, the steam return pipe 26 and the differential pressure sensor 27 are connected with the inner cavity of the test box 1, and one ends of the steam inlet pipe 21 and the steam return pipe 26, which are far away from the test box 1, are connected with the steam generation device 2; the steam-permeable shoe mold 3 is placed in the shoe 6 to be tested, and the steam inlet pipe 21, the steam return pipe 26 and the differential pressure sensor 27 are respectively detachably connected to the steam-permeable shoe mold 3; be formed with rectangle opening 11 on the proof box 1 lateral wall, turret 5 includes main shrouding 51, goes up along board 52 and lower board 53, it forms with lower board 53 along board 52 to go up to follow board 52 main shrouding 51's homonymy, main shrouding 51 is provided with axis of rotation 511 at both ends from top to bottom, main shrouding 51's both sides edge is provided with first sealing strip 512 respectively, turret 5 rotates in the rectangle opening 11, measurement balance 4 is placed on the lower board 53 of following of turret 5, place tray 41 and install on measurement balance 4. A temperature sensor 13 and a humidity sensor 14 are arranged in the test chamber 1.
Therefore, the finished shoe moisture permeability and moisture absorption tester provided by the invention has the advantages that the rotating frame 5 is arranged, the measuring scale 4 is positioned outside the test box 1 when the moisture absorption is measured, and the loss of water vapor to the measuring scale 4 when the moisture absorption is measured is reduced. When moisture permeability is measured, the measuring scale 4 is transferred into the test chamber 1 by rotation of the turret 5. Therefore, the time of the measuring scale 4 in the test box 1 is shortened, and the service life and the use precision of the measuring scale 4 are improved. Be provided with first sealing strip 512 on the main shrouding 51, the sealing strip can take place deformation in order to shutoff main shrouding 51 both sides with gap between the rectangle opening 11 reduces the steam outflow.
Preferably, a protective edge 531 is formed on the lower edge plate 53 of the rotating frame 5, and a drainage groove 532 is formed on the protective edge 531. Condensed water condensed on the upper surface of the lower edge plate 53 can be drained through the drainage grooves 532 on the beads 531, and the beads 531 function to protect the measuring scale 4.
Preferably, a floating edge 12 extending to the outside of the test chamber 1 and located around the rectangular opening 11 is formed on the outer side wall of the test chamber 1, and the rotating shaft 511 of the rotating frame 5 is rotatably connected to the upper and lower ends of the floating edge 12. Therefore, the stability of the rotating frame 5 is improved, the upper end of the upper edge plate 52 and the lower end of the lower edge plate 53 respectively abut against the floating edge 12, and the shaking of the rotating frame 5 is reduced.
Preferably, the upper end of the upper edge plate 52 and the lower end of the lower edge plate 53 of the rotating frame 5 are respectively provided with a second sealing strip 513, and the second sealing strip 513 is connected with the first sealing strip 512, so as to further improve the sealing property between the main sealing plate 51 and the test chamber 1.
Preferably, a plurality of steam-permeable holes 31 are formed at the instep and the sole of the steam-permeable shoe mold 3, hollow columns 32 extending towards the inner cavity of the steam-permeable shoe mold 3 are formed on the steam-permeable holes 31, the hollow columns 32 are gradually reduced from the root to the top, and the height of the hollow columns 32 at the sole is greater than that of the hollow columns 32 at the instep. Preferably, a microporous membrane 33 which is permeable to air and impermeable to water is arranged at the opening of the hollow column 32. Further, the microporous membrane 33 is an expanded polytetrafluoroethylene membrane. Through setting up hollow post 32, reduced the comdenstion water in the ventilative shoe mold 3 and leaked to the shoes 6 that await measuring through ventilative hole 31, hollow post 32 reduces from root to top gradually for the entry of hollow post 32 is less than the export, reduces the probability that the comdenstion water that drips enters into in the hollow post 32. The condensate is further isolated by the provision of the microporous membrane 33.
Preferably, the upper end of the hollow pillar 32 at the sole position is formed with a slope portion 34, and the microporous membrane 33 is covered on the slope portion 34. The liquid drops falling onto the microporous membrane 33 slide down to the bottom of the inner cavity of the vapor-permeable shoe mold 3 under the action of gravity, and condensed water can be poured out of the vapor-permeable shoe mold 3 before the weight of the shoe 6 to be measured is measured.
Preferably, a condensate water U-shaped elbow 22 is arranged on the steam inlet pipe 21 at one end of the test box 1, which is close to the test box 1, outside the test box 1, and a condensate water discharge pipe 23 is arranged at the bottom of the condensate water U-shaped elbow 22. Preferably, an ultrasonic device 24 and a heating device 25 are arranged on the steam inlet pipe 21 at one end of the test box 1, which is close to the test box 1, outside the test box 1, and the heating temperature is 35 +/-2 ℃; the condensed water U-shaped elbow 22, the ultrasonic device 24 and the heating device 25 are sequentially arranged from the steam generating device 2 to the test box 1. The steam generated by the steam generating device 2 is conveyed through the steam inlet pipe 21, the steam in the midway is gradually cooled to form tiny droplets, the condensed water attached to the inner wall of the steam inlet pipe 21 can be intercepted through the U-shaped elbow 22, the volume of the tiny droplets in the steam is further reduced through the crushing action of the ultrasonic device 24, and the heating device 25 is matched with the ultrasonic device 24 to supplement energy for the crushed tiny droplets. Therefore, the quantity of liquid drops in the water vapor entering the vapor-permeable shoe mold 3 is reduced as much as possible, and the measurement accuracy is improved.
The invention also provides an improved finished shoe moisture permeability and moisture absorption testing method, which comprises the following steps:
firstly, adjusting the shoes 6 to be measured for 48 hours in an environment with the temperature of 35 +/-2 ℃ and the relative humidity of 90 +/-5 percent; measuring the weight of the shoe 6 to be measured as m 1; the steam-permeable shoe mold 3 is arranged in the regulated shoe 6 to be measured, and the steam inlet pipe 21, the steam return pipe 26 and the differential pressure sensor 27 are connected with the steam-permeable shoe mold 3; initially, the lower edge plate 53 of the turret 5 is positioned outside the test chamber 1.
Secondly, starting the water vapor generating device 2 to generate water vapor with the temperature of 35 +/-2 ℃ and the relative humidity of 90 +/-5 percent; setting the temperature in the test chamber 1 to 35 +/-2 ℃; starting timing; the pressure difference between the water vapor in the vapor-permeable shoe mold 3 and the ambient atmosphere is stabilized at 0.12 +/-0.02 kPa.
Thirdly, after 8 hours of water vapor introduction, stopping water vapor introduction, taking down the shoe 6 to be measured and immediately measuring to obtain the mass m2 of the shoe 6 to be measured; and calculating to obtain the moisture absorption W of the shoe 6 to be tested, which is m2-m 1.
Fourthly, the steam-permeable shoe mold 3 is arranged in the adjusted shoe 6 to be measured, and the steam inlet pipe 21, the steam return pipe 26 and the differential pressure sensor 27 are connected with the steam-permeable shoe mold 3; continuously introducing water vapor, and restarting timing; the pressure difference between the water vapor in the vapor-permeable shoe mold 3 and the ambient atmosphere is stabilized at 0.12 +/-0.02 kPa.
After introducing water vapor for 8 hours, stopping introducing the water vapor, placing 160-200g of dried silica gel particles on the placing tray 41 of the measuring scale 4, and turning the rotating frame 5 to transfer the measuring scale 4 from the outside of the test box 1 to the inside of the test box 1; sealing the test chamber 1; when the humidity in the test chamber 1 is reduced to a relatively stable value, reading the mass of the silica gel to be m 3; introducing water vapor into the vapor-permeable shoe mold 3 for 4 hours and then stopping introducing the water vapor; when the humidity in the test chamber 1 is relatively stable again, reading the mass meter of the silica gel to be m 4; and calculating to obtain the moisture permeability P ═ m4-m3)/4 of the shoe 6 to be tested.
Compared with the prior art that the measuring scale 4 is always placed in the test box 1 or is manually taken up when measuring the hygroscopicity, the loss of water vapor to the measuring scale 4 is reduced, the influence of the hand-held measuring scale 4 on the measuring precision of the measuring scale 4 is reduced, and the measuring precision is improved.
The above embodiments and drawings are not intended to limit the form and style of the product of the present invention, and any suitable changes or modifications thereof by one of ordinary skill in the art should be considered as not departing from the scope of the present invention.

Claims (3)

1. A moisture-permeable and moisture-absorbing tester for finished shoes is characterized by comprising a test box, a water vapor generating device, a vapor inlet pipe, a vapor return pipe, a differential pressure sensor, a vapor-permeable shoe mold, a measuring scale, a placing tray and a rotating frame; the steam inlet pipe, the steam return pipe and the differential pressure sensor are connected with the inner cavity of the test box, and one ends of the steam inlet pipe and the steam return pipe, which are far away from the test box, are connected with the steam generation device; the steam-permeable shoe mold is placed in a shoe to be tested, and the steam inlet pipe, the steam return pipe and the differential pressure sensor are respectively detachably connected to the steam-permeable shoe mold; a rectangular opening is formed in the side wall of the test box, the rotating frame comprises a main sealing plate, an upper edge plate and a lower edge plate, the upper edge plate and the lower edge plate are formed on the same side of the main sealing plate, rotating shafts are arranged at the upper end and the lower end of the main sealing plate, first sealing strips are respectively arranged on the edges of the two sides of the main sealing plate, the rotating frame rotates in the rectangular opening, the measuring scale is placed on the lower edge plate of the rotating frame, and the placing tray is installed on the measuring scale;
a plurality of steam-permeable holes are formed at the instep and the sole of the steam-permeable shoe mold, and hollow columns extending towards the inner cavity of the steam-permeable shoe mold are formed on the steam-permeable holes; the opening of the hollow column is provided with a microporous membrane which is air-permeable and water-impermeable; the upper end of the hollow column at the sole position is provided with an inclined plane part, and the microporous membrane covers the inclined plane part.
2. The moisture-permeable and moisture-absorbing tester for finished shoes as claimed in claim 1, wherein a floating edge extending to the outside of the test chamber is formed on the outer side wall of the test chamber and located around the rectangular opening, and the rotating shaft of the rotating frame is rotatably connected to the upper end and the lower end of the floating edge.
3. The moisture and moisture absorption tester of claim 1, wherein the upper edge plate and the lower edge plate of the rotating frame are respectively provided with a second sealing strip, and the second sealing strip is connected with the first sealing strip.
CN202210440411.7A 2020-04-10 2020-04-10 Moisture-permeable and moisture-absorbing tester for finished shoes Pending CN114923803A (en)

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CN202210440411.7A CN114923803A (en) 2020-04-10 2020-04-10 Moisture-permeable and moisture-absorbing tester for finished shoes

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CN202010278914.XA CN111458254B (en) 2020-04-10 2020-04-10 Improved finished shoe moisture permeability and moisture absorption tester and testing method
CN202210440411.7A CN114923803A (en) 2020-04-10 2020-04-10 Moisture-permeable and moisture-absorbing tester for finished shoes

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CN114942302B (en) * 2022-05-19 2023-06-13 广州众纳科技有限公司 Whole shoe test analyzer and test mode thereof

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IT1307159B1 (en) * 1999-01-14 2001-10-29 Nottington Holding Bv EQUIPMENT FOR MEASURING THE BREATHABILITY CAPACITY OF A FOOTWEAR.
CN1211663C (en) * 2003-09-19 2005-07-20 林恒 Coal five-index deferminator
CN202233370U (en) * 2011-09-29 2012-05-30 温州职业技术学院 Moisture absorption and moisture permeability tester for closed shoes
CN202335437U (en) * 2011-10-23 2012-07-18 温州市质量技术监督检测院 Moisture absorption and moisture permeability testing instrument for finished shoes
CN204556432U (en) * 2015-05-05 2015-08-12 武汉钢铁(集团)公司 Use for laboratory thermogravimetric analyzer
CN107153080B (en) * 2017-07-03 2023-07-21 四川省皮革研究所 Testing device and testing method for thermal resistance and wet resistance of finished shoe
CN208155779U (en) * 2017-12-29 2018-11-27 重庆世通仪器检测服务有限公司 A kind of whole shoes moisture absorption penetrability testing machine
CN109186216B (en) * 2018-08-23 2023-08-22 绍兴市质量技术监督检测院 Leak-proof microwave quick drying device

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