CN113607599B - Textile air permeability detector - Google Patents
Textile air permeability detector Download PDFInfo
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- CN113607599B CN113607599B CN202111178578.2A CN202111178578A CN113607599B CN 113607599 B CN113607599 B CN 113607599B CN 202111178578 A CN202111178578 A CN 202111178578A CN 113607599 B CN113607599 B CN 113607599B
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- 230000035699 permeability Effects 0.000 title claims abstract description 26
- 239000004753 textile Substances 0.000 title claims abstract description 16
- 238000007789 sealing Methods 0.000 claims abstract description 51
- 239000004744 fabric Substances 0.000 claims abstract description 42
- 238000009434 installation Methods 0.000 claims abstract description 31
- 238000012545 processing Methods 0.000 claims abstract description 25
- 239000000463 material Substances 0.000 claims abstract description 7
- 230000007246 mechanism Effects 0.000 claims description 71
- 238000009423 ventilation Methods 0.000 claims description 4
- 238000003754 machining Methods 0.000 claims 5
- 238000009499 grossing Methods 0.000 description 9
- 238000012360 testing method Methods 0.000 description 6
- 230000037303 wrinkles Effects 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 4
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000009530 blood pressure measurement Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000005381 potential energy Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N7/00—Analysing materials by measuring the pressure or volume of a gas or vapour
- G01N7/10—Analysing materials by measuring the pressure or volume of a gas or vapour by allowing diffusion of components through a porous wall and measuring a pressure or volume difference
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N15/0806—Details, e.g. sample holders, mounting samples for testing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N15/082—Investigating permeability by forcing a fluid through a sample
- G01N15/0826—Investigating permeability by forcing a fluid through a sample and measuring fluid flow rate, i.e. permeation rate or pressure change
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- Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
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- Analytical Chemistry (AREA)
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- Health & Medical Sciences (AREA)
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- Dispersion Chemistry (AREA)
- Fluid Mechanics (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
The invention discloses a textile air permeability detector which comprises an installation base, wherein a processing table is fixedly connected to the middle position of the top of the installation base, an air vent groove hole is formed in the middle position of the processing table, a sealing groove is formed in the upper surface of the processing table relative to the outer edge of the air vent groove hole, a limiting shell is fixedly connected to the top of the installation base relative to the upper position of the processing table, a hydraulic cylinder is fixedly installed at the top of the limiting shell, the bottom of the hydraulic cylinder extends to the inner cavity of the limiting shell, and a sealing cover is fixedly installed at the bottom of the hydraulic cylinder. The straight rack drives the gear to generate anticlockwise deflection when moving upwards, and further drives the pointer to deflect on the outer wall of the dial, and the sealing cover and the limiting shell are made of transparent structural materials, so that the air pressure value entering the inner cavity of the sealing cover can be directly read by directly observing the deflection angle of the pointer on the outer wall of the dial, and further the air permeability of the cloth can be indirectly obtained.
Description
Technical Field
The invention relates to the technical field of textiles, in particular to a textile air permeability detector.
Background
The air permeability is a physical index for representing the permeability of air in a tested sample, and is mainly used for porous materials and other materials with large air permeability, such as textiles, sponges, leather and the like. For fabric materials, the air permeability is related to the number and size of the warp and weft yarn gaps and fiber gaps in the fabric, the warp and weft density, the yarn twist, the fiber properties, the yarn structure, the fabric thickness, and other factors.
The air permeability detection device for the existing textile generally adopts the mode of penetrating the air volume of the cloth to test the air permeability, but the existing monitoring mechanism cannot seal the detection position before detecting the cloth, so that the phenomenon of air leakage caused by air outlet is caused, the detection precision is influenced, the cloth cannot be flattened, the air permeability detection precision is also influenced by the folded cloth, and the automation degree is lower.
Therefore, the existing requirements are not met, and the textile air permeability detector is provided for solving the problems.
Disclosure of Invention
The invention aims to provide a textile air permeability detector which has the advantages of good sealing performance, wrinkle smoothing, automatic air injection, accurate air permeability reading and high automation degree, and solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a fabrics air permeability detector, includes the installation base, the top intermediate position fixedly connected with processing platform of installation base, the ventilation slot hole has been seted up to the intermediate position of processing platform, the seal groove has been seted up along the outer edge of the relative ventilation slot hole of upper surface of processing platform, the top fixed position fixedly connected with spacing casing of the relative processing platform in top of installation base, the top fixed mounting of spacing casing has the pneumatic cylinder, the bottom of pneumatic cylinder extends to the inner chamber of spacing casing, and its bottom fixed mounting has the sealed cowling, the sealed cowling is hollow structure, the bottom outer wall size of sealed cowling is the same with seal groove internal diameter size.
Preferably, the left and right sides of seal cover all is provided with smooths the mechanism to right side wall smooths the mechanism as an example, smooths the mechanism including installation piece one, installation piece one is provided with two sets ofly, and fixed mounting is both sides around the seal cover right side wall respectively, the equal fixedly connected with installation piece two in both sides around the right side wall of spacing casing is two sets of swing joint smooths the mechanism between the inner wall of installation piece two, swing joint has the fly leaf between the inner wall upside of smooths the mechanism and the inner wall of installation piece one, the outer wall swing joint of installation piece two has the pivot, the pivot is located the axle center position that mounting bracket and installation piece two are connected, and pivot and mounting bracket coaxial link firmly.
Preferably, a side wall of the smoothing mechanism, which is far away from the second mounting block, is movably connected with a second sliding rod, the second sliding rod is far away from a limiting frame fixedly connected with one end of the second mounting block, a first spring is arranged between the outer wall of the second sliding rod and the limiting frame, and a smoothing roller is movably connected with the inner wall of the limiting frame.
Preferably, the upper surface of the mounting base is provided with two groups of reversing mechanisms corresponding to the flattening mechanism, taking the left reversing mechanism as an example, the reversing mechanism comprises two groups of limiting plates which are respectively and fixedly connected with the front side and the rear side of the top of the processing table, the outer wall of the limiting plate is movably connected with a swing rod, the inner wall of the swing rod is coaxially and fixedly connected with the rotating shaft, one end of the swing rod, which is far away from the rotating shaft, is fixedly connected with an arc-shaped rack, the bottom of the arc-shaped rack is engaged and connected with a second gear, the second gear is movably connected with the outer wall of the processing table, the front side and the rear side of the upper surface of the mounting base are both provided with a slideway, the inner wall of the slide way is connected with a second straight rack in a sliding mode, the top of the second straight rack is connected with the outer wall of the second gear in a meshed mode, and push plates are fixedly connected between the bottoms of the second straight rack on the front side and the bottom of the second straight rack on the rear side.
Preferably, the inner chamber fixed mounting of installation base has the mechanism of aerifing, the mechanism of aerifing includes gas storage casing one, the inner chamber intermediate position fixed mounting of gas storage casing one has the gasbag, the embedded spring two that transversely is provided with of gasbag, the top of gasbag is provided with the check valve of from inside to outside intercommunication, the bottom of gasbag is provided with the check valve of outside-in intercommunication, the left and right sides of the relative gasbag of inner chamber of gas storage casing one all is provided with the clamp plate, the one side fixedly connected with push rod one of gasbag is kept away from to the clamp plate, the one side and the push pedal fixed connection of clamp plate are kept away from to push rod one.
Preferably, the inner chamber of sealed cowling is provided with air pressure measurement mechanism, air pressure measurement mechanism is including measuring the casing, the inner chamber fixedly connected with "U" shape frame one of measuring the casing, the opening of "U" shape frame one is downward, the upside inner wall fixedly connected with connecting rod of "U" shape frame one, the bottom swing joint of connecting rod has gear one, the inner wall swing joint of "U" shape frame one has the ascending "U" shape frame two of opening, the straight rack one that the downside inner wall fixedly connected with and gear one meshing of "U" shape frame two is connected, the downside wall fixedly connected with slide bar one of "U" shape frame two, slide bar one run through measure the casing and with bottom sliding connection, the bottom fixedly connected with air supporting plate of slide bar one, the outer wall of air supporting plate and the inner wall sliding connection of sealed cowling.
Preferably, the positive fixed mounting of measuring the casing has the calibrated scale, the positive fixedly connected with pointer of gear one, the one end that gear one was kept away from to the pointer extends to the outer wall of calibrated scale, sealed cowling and spacing casing are transparent structure material.
Preferably, the inner cavity fixed mounting of installation base has the mechanism of aerifing, the mechanism of aerifing includes gas storage casing two, the equal sliding connection in inner cavity left and right sides of gas storage casing two has the piston board, the check valve of outside-in intercommunication is seted up to the outer wall of piston board, the check valve of inside-out intercommunication is seted up at the top of gas storage casing two, the outer wall fixedly connected with push rod two of piston board, the one end and the push pedal fixed connection of piston board are kept away from to push rod two.
Compared with the prior art, the invention has the following beneficial effects:
spreading a textile fabric to be detected on the upper surface of a processing table, starting a hydraulic cylinder, pushing a sealing cover to gradually move downwards by the bottom of the hydraulic cylinder, finally, putting the outer edge of the fabric into an inner cavity of a sealing groove by the bottom of the sealing cover to realize the sealing function of the fabric of a test block, taking a right leveling mechanism as an example, driving an installation block to move downwards by the downward movement of the sealing cover, further driving the bottom of a movable plate to push an installation frame, leading the two-position axis of the first installation block of the installation frame to deflect anticlockwise, further driving the outer wall of a leveling roller to generate friction rolling with the upper surface of the fabric, flattening the fabric, leading the distance between the bottom of the installation frame and the upper surface of the fabric to be gradually reduced along with the anticlockwise deflection of the installation frame, leading the upper surface of the fabric to provide a group of upward extrusion force for the leveling roller, further pushing a limiting frame to extrude a sliding rod to move upwards, and simultaneously compressing a spring I, the pressing roller and the cloth surface are always kept at constant extrusion force to prevent the cloth from being crushed, the left and right groups of pressing mechanisms synchronously move towards two sides to realize the traction effect on the cloth, the wrinkles on the surface of the cloth are further flattened, the air permeability of the cloth is prevented from being influenced by the wrinkles, and the air permeability test precision of the cloth is increased;
meanwhile, when the mounting rack rotates, the rotating shaft is driven to synchronously rotate, so that the swing rod is driven to deflect, the arc-shaped rack and the second gears are meshed and rotate relatively at the moment, the two sets of second gears are driven to synchronously move towards the inflating mechanism, and then the push plate is driven to inwards extrude the inflating mechanism, so that the automatic air injection function is realized;
the push plate moves towards the inflating mechanism, so that the push rod is driven to slide towards the inner cavity of the first gas storage shell, the two groups of press plates are driven to extrude the outer wall of the air bag, the second spring is compressed, the air pressure in the inner cavity of the air bag is increased, the air is guided into the inner cavity of the sealing cover through the upper check valve, when the press plates move outwards, the air bag is opened under the action of elastic potential energy of the second spring, the inner cavity of the air bag generates negative pressure, and then the external air is sucked through the lower check valve, so that the automatic air replenishing function is realized;
similarly, the push plate moves towards the inflating mechanism to drive the push rod to move inwards so as to drive the two groups of piston plates to slide inwards synchronously, the air pressure in the inner cavities of the piston plates is increased, air is guided into the inner cavity of the sealing cover through the upper check valve, and when the piston plates move outwards, negative pressure is generated in the two inner cavities of the air storage shell, so that external air is sucked through the check valve on the outer wall of the piston plate, and the automatic air supplementing function is realized;
the gas enters the inner cavity of the sealing cover through the vent hole and the cloth passing above the processing table, the air pressure in the inner cavity of the sealing cover is increased at the moment, and then the air floating plate is pushed to move upwards, so that the slide bar is driven to push the U-shaped frame to move upwards, the spur rack drives the gear to deflect anticlockwise when moving upwards at the moment, and then the pointer is driven to deflect on the outer wall of the dial scale.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is a schematic view of the processing station of the present invention;
FIG. 4 is a schematic view of the structure of the sealing cap of the present invention;
FIG. 5 is a schematic structural view of an air pressure measuring mechanism according to the present invention;
FIG. 6 is a schematic structural view of a smoothing mechanism according to the present invention;
FIG. 7 is a schematic structural view of a reversing mechanism of the present invention;
FIG. 8 is a schematic view of the inflation mechanism of the present invention;
FIG. 9 is a schematic view of the inflation mechanism of the present invention.
In the figure: 1. installing a base; 2. a processing table; 3. a limiting shell; 4. a hydraulic cylinder; 5. a sealing cover; 6. a smoothing mechanism; 7. a reversing mechanism; 8. an inflation mechanism; 9. a vent slot; 10. a sealing groove; 11. an air pressure measuring mechanism; 12. an air floating plate; 13. a first sliding rod; 14. a measurement housing; 15. a first U-shaped frame; 16. a connecting rod; 17. a first gear; 18. a pointer; 19. a U-shaped frame II; 20. a first straight rack; 21. a dial scale; 22. a first mounting block; 23. a movable plate; 24. a second mounting block; 25. a mounting frame; 26. a rotating shaft; 27. a second sliding rod; 28. a first spring; 29. a limiting frame; 30. smoothing rollers; 31. a limiting plate; 32. a swing rod; 33. an arc-shaped rack; 34. a second gear; 35. a second straight rack; 36. pushing the plate; 37. a first gas storage shell; 38. pressing a plate; 39. a first push rod; 40. an air bag; 41. a second spring; 42. a second gas storage shell; 43. a piston plate; 44. and a second push rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1, a textile air permeability detector comprises an installation base 1, a processing table 2 is fixedly connected to the middle position of the top of the installation base 1, a vent slot 9 is formed in the middle position of the processing table 2, a sealing groove 10 is formed in the outer edge of the upper surface of the processing table 2, a limiting shell 3 is fixedly connected to the top of the installation base 1, which is opposite to the upper position of the processing table 2, a hydraulic cylinder 4 is fixedly installed at the top of the limiting shell 3, the bottom of the hydraulic cylinder 4 extends to the inner cavity of the limiting shell 3, a sealing cover 5 is fixedly installed at the bottom of the hydraulic cylinder 4, the sealing cover 5 is of a hollow structure, the size of the outer wall of the bottom of the sealing cover 5 is the same as the size of the inner diameter of the sealing groove 10, textile cloth to be detected is flatly laid on the upper surface of the processing table 2, the hydraulic cylinder 4 is started, the bottom of the hydraulic cylinder 4 pushes the sealing cover 5 to gradually move downwards, and finally, the outer edge of the cloth is inserted into the inner cavity of the sealing groove 10 at the bottom of the sealing cover 5, so that the sealing function of the cloth of the test block is realized.
Example two
Referring to fig. 6, basically the same as the first embodiment, further, a leveling mechanism 6 is disposed on each of left and right sides of the sealing cover 5, taking the right side wall leveling mechanism 6 as an example, the leveling mechanism 6 includes a first mounting block 22, the first mounting block 22 is provided with two sets, which are fixedly mounted on front and rear sides of a right side wall of the sealing cover 5 respectively, a second mounting block 24 is fixedly connected on front and rear sides of the right side wall of the limiting housing 3, the leveling mechanism 6 is movably connected between inner walls of the two sets of mounting blocks 24, a movable plate 23 is movably connected between an upper side of an inner wall of the leveling mechanism 6 and an inner wall of the first mounting block 22, a rotating shaft 26 is movably connected to an outer wall of the second mounting block 24, the rotating shaft 26 is located at an axial center position where the mounting block 25 is connected to the second mounting block 24, and the rotating shaft 26 is coaxially and fixedly connected to the mounting block 25.
Referring to fig. 6, a second sliding rod 27 is movably connected to a side wall of the flattening mechanism 6 away from the second mounting block 24, a limiting frame 29 is fixedly connected to one end of the second sliding rod 27 away from the second mounting block 24, a first spring 28 is arranged between the outer wall of the second sliding rod 27 and the mounting frame 25, and a flattening roller 30 is movably connected to the inner wall of the limiting frame 29.
Referring to fig. 7, the position of the upper surface of the mounting base 1 opposite to the smoothing mechanism 6 is provided with two sets of reversing mechanisms 7, the two sets of reversing mechanisms 7 are provided, take left side reversing mechanism 7 as an example, reversing mechanism 7 includes limiting plate 31, limiting plate 31 is provided with two sets ofly, two sets of limiting plate 31 is fixed connection both sides around processing platform 2 top respectively, limiting plate 31's outer wall swing joint has pendulum rod 32, the inner wall and the pivot 26 of pendulum rod 32 are coaxial to be linked firmly, the one end fixedly connected with arc rack 33 of pivot 26 is kept away from to pendulum rod 32, the bottom meshing of arc rack 33 is connected with gear two 34, gear two 34 and processing platform 2's outer wall swing joint, the slide has all been seted up to both sides around the upper surface of installation base 1, the inner wall sliding connection of slide has spur rack two 35, the top of spur rack two 35 is connected with the outer wall meshing of gear two 34, fixedly connected with push pedal 36 between the bottom of both sides spur rack two 35 around.
EXAMPLE III
Referring to fig. 8, basically the same as the second embodiment, further, an inflating mechanism 8 is fixedly installed in an inner cavity of the mounting base 1, the inflating mechanism 8 includes a first air storage casing 37, an air bag 40 is fixedly installed in the middle of the inner cavity of the first air storage casing 37, a second spring 41 is transversely embedded in the air bag 40, a check valve communicated from inside to outside is arranged at the top of the air bag 40, a check valve communicated from outside to inside is arranged at the bottom of the air bag 40, pressing plates 38 are respectively arranged on the left side and the right side of the inner cavity of the first air storage casing 37, one side of each pressing plate 38 far away from the air bag 40 is fixedly connected with a first push rod 39, and one side of each first push rod 39 far away from the pressing plate 38 is fixedly connected with the push plate 36.
Referring to fig. 5, an air pressure measuring mechanism 11 is disposed in an inner cavity of the sealing cover 5, the air pressure measuring mechanism 11 includes a measuring casing 14, a first U-shaped frame 15 is fixedly connected to the inner cavity of the measuring casing 14, an opening of the first U-shaped frame 15 faces downward, a connecting rod 16 is fixedly connected to an upper inner wall of the first U-shaped frame 15, a first gear 17 is movably connected to a bottom of the connecting rod 16, a second U-shaped frame 19 with an upward opening is movably connected to an inner wall of the first U-shaped frame 15, a first spur rack 20 engaged with the first gear 17 is fixedly connected to a lower inner wall of the second U-shaped frame 19, a first sliding rod 13 is fixedly connected to a lower side wall of the second U-shaped frame 19, the first sliding rod 13 penetrates through the measuring casing 14 and is slidably connected to the bottom, an air floating plate 12 is fixedly connected to a bottom of the first sliding rod 13, and an outer wall of the air floating plate 12 is slidably connected to an inner wall of the sealing cover 5.
Referring to fig. 5, a dial 21 is fixedly mounted on the front surface of the measuring housing 14, a pointer 18 is fixedly connected to the front surface of the first gear 17, one end of the pointer 18, which is far away from the first gear 17, extends to the outer wall of the dial 21, and the sealing cover 5 and the limiting housing 3 are made of transparent structural materials.
Example four
Referring to fig. 9, basically the same as the second embodiment, further, an inflation mechanism 8 is fixedly installed in the inner cavity of the installation base 1, the inflation mechanism 8 includes a second air storage casing 42, piston plates 43 are slidably connected to the left and right sides of the inner cavity of the second air storage casing 42, a check valve communicated from outside to inside is disposed on the outer wall of the piston plate 43, the check valve communicated from inside to outside is disposed on the top of the second air storage casing 42, a second push rod 44 is fixedly connected to the outer wall of the piston plate 43, and one end of the second push rod 44, which is far away from the piston plate 43, is fixedly connected to the push plate 36.
The working principle is as follows: when the textile air permeability detector is used, textile cloth to be detected is flatly laid on the upper surface of a processing table 2, a hydraulic cylinder 4 is started, the bottom of the hydraulic cylinder 4 pushes a sealing cover 5 to gradually move downwards, and finally the outer edge of the cloth is placed into an inner cavity of a sealing groove 10 at the bottom of the sealing cover 5, so that the sealing function of the cloth of a test block is realized, taking a right flattening mechanism 6 as an example, the sealing cover 5 moves downwards to drive a first mounting block 22 to move downwards so as to drive the bottom of a movable plate 23 to push a mounting rack 25, so that the axial center of a second mounting block 24 bits of the first mounting block 25 is deflected anticlockwise, the outer wall of a flattening roller 30 is driven to generate friction rolling with the upper surface of the cloth, the cloth is flattened, the distance between the bottom of the mounting rack 25 and the upper surface of the cloth is gradually reduced along with the anticlockwise deflection of the mounting rack 25, and at the upper surface of the cloth brings a group of upward extrusion force to the flattening roller 30, the limiting frame 29 is further pushed to extrude the second sliding rod 27 to move upwards, meanwhile, the first spring 28 is compressed, so that constant extrusion force is always kept between the smoothing roller 30 and the surface of the cloth, the cloth is prevented from being crushed, the left and right groups of smoothing mechanisms 6 synchronously move towards two sides, the traction effect on the cloth is realized, the wrinkles on the surface of the cloth are further flattened, the air permeability of the cloth is prevented from being influenced by the wrinkles, and the air permeability testing precision of the cloth is improved;
meanwhile, when the mounting rack 25 rotates, the rotating shaft 26 is driven to synchronously rotate, so that the swing rod 32 is driven to deflect, the arc-shaped rack 33 and the second gears 34 are driven to relatively rotate in a meshed manner, the two groups of second gears 34 are driven to synchronously move towards the inflating mechanism 8, and the push plate 36 is driven to inwards extrude the inflating mechanism 8, so that an automatic air injection function is realized;
the push plate 36 moves towards the inflating mechanism 8, the push rod I39 is driven to slide towards the inner cavity of the first gas storage shell 37, the two groups of press plates 38 are driven to extrude the outer wall of the air bag 40, the spring II 41 is further compressed, the air pressure of the inner cavity of the air bag 40 is increased at the moment, gas is guided into the inner cavity of the sealing cover 5 through the upper check valve, when the press plates 38 move outwards, the air bag 40 is opened under the action of the elastic potential energy of the spring II 41, the inner cavity of the air bag 40 generates negative pressure at the moment, and then external gas is sucked through the lower check valve, so that the automatic air replenishing function is realized;
similarly, the push plate 36 moves towards the inflating mechanism 8, so as to drive the second push rod 44 to move inwards, further drive the two groups of piston plates 43 to slide inwards synchronously, at the moment, the air pressure in the inner cavities of the piston plates 43 is increased, the air is guided into the inner cavity of the sealing cover 5 through the upper one-way valve, and when the piston plates 43 move outwards, the inner cavities of the second air storage shells 42 generate negative pressure, so that the outside air is sucked through the one-way valve on the outer wall of the piston plates 43, and the automatic air replenishing function is realized;
the gas enters the inner cavity of the sealing cover 5 through the vent slot hole 9 and penetrates through the cloth above the processing table 2, the air pressure of the inner cavity of the sealing cover 5 is increased at the moment, and then the air floating plate 12 is pushed to move upwards, and then the sliding rod I13 is driven to push the U-shaped frame II 19 to move upwards, at the moment, the straight rack I20 drives the gear I17 to deflect anticlockwise when moving upwards, and then the pointer 18 is driven to deflect on the outer wall of the dial 21, because the sealing cover 5 and the limiting shell 3 are made of transparent structural materials, the air pressure value entering the inner cavity of the sealing cover 5 can be directly read by directly observing the deflection angle of the pointer 18 on the outer wall of the dial 21, and further the air permeability of the cloth is indirectly obtained.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The utility model provides a fabrics air permeability detector, includes installation base (1), its characterized in that: the machining device is characterized in that a machining table (2) is fixedly connected to the middle position of the top of the mounting base (1), a ventilation slot hole (9) is formed in the middle position of the machining table (2), a sealing groove (10) is formed in the outer edge of the upper surface of the machining table (2) relative to the ventilation slot hole (9), a limiting shell (3) is fixedly connected to the top of the mounting base (1) relative to the upper position of the machining table (2), a hydraulic cylinder (4) is fixedly mounted at the top of the limiting shell (3), the bottom of the hydraulic cylinder (4) extends to the inner cavity of the limiting shell (3), a sealing cover (5) is fixedly mounted at the bottom of the hydraulic cylinder, the sealing cover (5) is of a hollow structure, and the size of the outer wall of the bottom of the sealing cover (5) is the same as the size of the inner diameter of the sealing groove (10);
the left side and the right side of the sealing cover (5) are respectively provided with a flattening mechanism (6), each flattening mechanism (6) comprises a first mounting block (22), the first mounting blocks (22) are provided with two groups and are respectively fixedly mounted on the front side and the rear side of the right side wall of the sealing cover (5), the front side and the rear side of the right side wall of the limiting shell (3) are respectively fixedly connected with a second mounting block (24), the flattening mechanisms (6) are movably connected between the inner walls of the two groups of second mounting blocks (24), a movable plate (23) is movably connected between the upper side of the inner wall of each flattening mechanism (6) and the inner wall of the first mounting block (22), the outer wall of the second mounting block (24) is movably connected with a rotating shaft (26), the rotating shaft (26) is located at the axis position where the mounting frame (25) is connected with the second mounting block (24), and the rotating shaft (26) is coaxially and fixedly connected with the mounting frame (25);
the upper surface of the installation base (1) is relatively flattened by the mechanism (6) and is provided with two sets of reversing mechanisms (7), the reversing mechanisms (7) are provided with two sets, the left reversing mechanism (7) is taken as an example, the reversing mechanisms (7) comprise limiting plates (31), the limiting plates (31) are provided with two sets, the two sets of limiting plates (31) are respectively and fixedly connected to the front side and the rear side of the top of the processing table (2), the outer wall of the limiting plates (31) is movably connected with a swing rod (32), the inner wall of the swing rod (32) is coaxially and fixedly connected with a rotating shaft (26), one end of the swing rod (32), which is far away from the rotating shaft (26), is fixedly connected with an arc rack (33), the bottom of the arc rack (33) is meshed with a second gear (34), the second gear (34) is movably connected with the outer wall of the processing table (2), and slideways are respectively arranged on the front side and the rear side of the upper surface of the installation base (1), the inner wall of the slideway is connected with a second straight rack (35) in a sliding manner, the top of the second straight rack (35) is meshed with the outer wall of the second gear (34), and a push plate (36) is fixedly connected between the bottoms of the second straight rack (35) on the front side and the bottom of the second straight rack (35) on the rear side;
an inflating mechanism (8) is fixedly installed in an inner cavity of the installation base (1), the inflating mechanism (8) comprises a first air storage shell (37), an air bag (40) is fixedly installed in the middle of the inner cavity of the first air storage shell (37), a second spring (41) is transversely embedded in the air bag (40), a one-way valve communicated from inside to outside is arranged at the top of the air bag (40), the one-way valve communicated from outside to inside is arranged at the bottom of the air bag (40), pressing plates (38) are arranged on the left side and the right side, opposite to the air bag (40), of the inner cavity of the first air storage shell (37), one surface, far away from the air bag (40), of each pressing plate (38) is fixedly connected with a first push rod (39), and one surface, far away from the pressing plates (38), of each push rod (39) is fixedly connected with each push plate (36);
the inner cavity of the sealing cover (5) is provided with an air pressure measuring mechanism (11), the air pressure measuring mechanism (11) comprises a measuring shell (14), the inner cavity of the measuring shell (14) is fixedly connected with a first U-shaped frame (15), the opening of the first U-shaped frame (15) is downward, the upper inner wall of the first U-shaped frame (15) is fixedly connected with a connecting rod (16), the bottom of the connecting rod (16) is movably connected with a first gear (17), the inner wall of the first U-shaped frame (15) is movably connected with a second U-shaped frame (19) with an upward opening, the lower inner wall of the second U-shaped frame (19) is fixedly connected with a first spur rack (20) meshed with the first gear (17), the lower side wall of the second U-shaped frame (19) is fixedly connected with a first sliding rod (13), and the first sliding rod (13) penetrates through the measuring shell (14) and is connected with the bottom in a sliding manner, the bottom of the first sliding rod (13) is fixedly connected with an air floating plate (12), and the outer wall of the air floating plate (12) is in sliding connection with the inner wall of the sealing cover (5);
the inner chamber fixed mounting of installation base (1) has inflating mechanism (8), it includes gas storage casing two (42) to inflate mechanism (8), the equal sliding connection in inner chamber left and right sides of gas storage casing two (42) has piston board (43), the check valve of outside-in intercommunication is seted up to the outer wall of piston board (43), the check valve of inside-out intercommunication is seted up at the top of gas storage casing two (42), the outer wall fixedly connected with push rod two (44) of piston board (43), the one end and push pedal (36) fixed connection of piston board (43) are kept away from to push rod two (44).
2. The textile air permeability detector according to claim 1, characterized in that: a side wall of the flattening mechanism (6) far away from the second mounting block (24) is movably connected with a second sliding rod (27), one end of the second sliding rod (27) far away from the second mounting block (24) is fixedly connected with a limiting frame (29), a first spring (28) is arranged between the outer wall of the second sliding rod (27) and the limiting frame (29) and the mounting frame (25), and a flattening roller (30) is movably connected with the inner wall of the limiting frame (29).
3. The textile air permeability detector according to claim 1, characterized in that: the front fixed mounting of measuring casing (14) has calibrated scale (21), the front fixedly connected with pointer (18) of gear (17), the outer wall of calibrated scale (21) is extended to the one end that gear (17) were kept away from in pointer (18), sealed cowling (5) and spacing casing (3) are transparent structure material.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111178578.2A CN113607599B (en) | 2021-10-10 | 2021-10-10 | Textile air permeability detector |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111178578.2A CN113607599B (en) | 2021-10-10 | 2021-10-10 | Textile air permeability detector |
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| CN114814177A (en) * | 2022-04-29 | 2022-07-29 | 南通惠罗家用纺织品有限公司 | Multifunctional detection equipment is used in garment materials production |
| CN116930039B (en) * | 2023-08-29 | 2023-11-28 | 江苏新芳科技集团股份有限公司 | Fabric ventilation detection device |
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| US5234525A (en) * | 1992-07-16 | 1993-08-10 | Surface Coatings, Inc. | Waterproof breathable fabric laminates and method for producing same |
| US9475263B1 (en) * | 2009-11-03 | 2016-10-25 | Materials Modification, Inc. | Breathable chemical, biological, radiation, and/or nuclear protection fabric or material |
| CN204630893U (en) * | 2015-05-08 | 2015-09-09 | 苏州兹安金属制品有限公司 | For the pick-up unit of water-proof cloth |
| CN106226221B (en) * | 2016-08-19 | 2023-03-24 | 通标标准技术服务有限公司安吉分公司 | Mattress air permeability detector and using method |
| CN108051352A (en) * | 2017-12-08 | 2018-05-18 | 成都迈德克科技有限公司 | A kind of bandage device for checking air permeability and method |
| CN211235424U (en) * | 2019-09-19 | 2020-08-11 | 福建华检质检技术服务有限公司 | High-sealing textile fabric air permeability detection device |
| CN214334620U (en) * | 2021-02-26 | 2021-10-01 | 江西服装学院 | Dress surface fabric gas permeability detection device |
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