A highly efficient testing device for the air permeability of textile fabrics

Abstract

The present invention belongs to the field of air permeability detection technology, and discloses an efficient air permeability detection device for textile fabrics, including a mounting frame, wherein a transverse adjustment mechanism is provided inside the mounting frame, and a detection cylinder 1 and a detection cylinder 2 are slidably provided on the front of the mounting frame. The present invention reserves operating space on both sides of the textile fabric, and then cooperates with a distribution-type air supply component to introduce pressurized air into the processing component, so that the processing component actively moves and approaches the side of the textile fabric and maintains contact, and then uses a power mechanism to drive the rotation of the rotating component to realize the rotation of the processing component, thereby cleaning the two sides of the textile fabric to be tested after friction contact in the reserved cavity, on the one hand, removing particulate matter attached to the surface to prevent particulate matter from clogging the gaps in the textile fabric, and on the other hand, cleaning the fibers accumulated on the surface of the textile fabric to prevent the accumulated fibers from affecting the air permeability in the gaps in the textile fabric, thereby ensuring the maintenance of effective and accurate air permeability detection.

Description

Technical Field

[0001] The invention belongs to the technical field of air permeability detection, and in particular relates to a high-efficiency air permeability detection device for textile fabrics. Background Art

[0002] After production and processing, textile fabrics need to be evaluated for their breathability. This is usually done by sampling and using a testing device for breathability testing. Currently, the basic principle of textile fabric breathability testing is the pressure difference method. During the test, a certain pressure difference is created on both sides of the fabric, and then the rate at which air passes through the fabric under this pressure difference or the amount of gas passing through per unit time is measured. In conjunction with the existing permeability tester and result calculation mechanism, the breathability parameters are calculated, which can intuitively reflect the fabric's ability to transmit air, thereby evaluating its breathability.

[0003] The air permeability testing equipment for textile fabrics in the prior art clamps and fixes the textile fabrics during use. However, the selected textile fabrics are affected by transportation and the environment, and particulate impurities and messy textile fibers exist on their surfaces, which block and obstruct the internal gaps on the sides of the textile fabrics, thereby affecting air penetration during the actual testing process and further affecting the results of the air permeability test. In addition, for some elastic textile fabrics, when performing pressure differential testing, they are subjected to pressure, causing severe elastic deformation of the textile fabrics, stretching and closing the gaps in the textile fabrics in the test area, greatly reducing the actual test results and resulting in poor overall test effects. Summary of the Invention

[0004] The purpose of the present invention is to provide an efficient air permeability detection device for textile fabrics to solve the problems raised in the above background technology.

[0005] In order to achieve the above-mentioned object, the present invention provides the following technical solutions: an efficient air permeability detection device for textile fabrics, comprising a mounting frame, a lateral adjustment mechanism is provided inside the mounting frame, a detection cylinder 1 and a detection cylinder 2 are respectively slidably provided on the front of the mounting frame, the lateral adjustment mechanism controls the detection cylinder 1 and the detection cylinder 2 to approach and move away at the same time, a reserved cavity is provided at the proximal end of the detection cylinder 1 and the detection cylinder 2, a processing assembly is rotatably provided inside the reserved cavity, a rotating assembly is rotatably installed inside the detection cylinder 1 and the detection cylinder 2, the rotating assembly drives the processing assembly to rotate, a support assembly is sleeved on the outer side of the rotating assembly, a distributed air supply assembly is fixedly provided on the outer end of the detection cylinder 1 and the detection cylinder 2, the distributed air supply assembly inputs gas into the processing assembly and the support assembly respectively, a vacuum pump is provided on the top of the detection cylinder 1, an air supply pump 1 is provided on the top of the detection cylinder 2, a gas permeability detector is sleeved inside the detection cylinder 1, and air holes are provided inside the detection cylinder 1 and the detection cylinder 2.

[0006] The processing assembly includes a connecting frame, a push plate, a cleaning brush and a spring.

[0007] Preferably, a movable block is slidably sleeved on the front of the mounting frame, and the number of the movable blocks is two. The two movable blocks correspond one-to-one to the detection cylinder 1 and the detection cylinder 2, and the detection cylinder 1 and the detection cylinder 2 are fixedly connected to the front of the movable block. The movable block is threadedly sleeved in the transverse adjustment mechanism.

[0008] Preferably, the lateral adjustment mechanism includes a servo motor and a lead screw, the servo motor drives the lead screw to rotate forward and reverse, and the threads on both sides of the outer surface of the lead screw rotate in opposite directions.

[0009] Preferably, a No. 1 cavity is opened inside the detection cylinder 1, and a No. 2 cavity is opened inside the detection cylinder 2. The vacuum pump sucks the air in the No. 1 cavity, and the air supply pump 1 passes the pressurized air into the No. 2 cavity.

[0010] Preferably, the proximal ends of the detection tube 1 and the detection tube 2 are fixedly sleeved with magnetic plates, the magnetic plates are located in the reserved cavity, and the ends of the detection tube 1 and the detection tube 2 that are away from each other are provided with auxiliary cavities.

[0011] Preferably, the rotating assembly includes a rotating shaft, gear 1 and an inner hole, the gear 1 is fixedly sleeved on the outer surface of the rotating shaft, the inner hole is opened in the rotating shaft, the two rotating shafts are rotatably sleeved in the detection cylinder 1 and the detection cylinder 2 respectively, and the power mechanism includes a rotating motor and gear 2, the rotating motor drives gear 2 to rotate, and gear 2 is meshed with gear 1.

[0012] Preferably, the connecting frame is fixedly connected to one end of the rotating shaft, a stepped cavity is opened inside the connecting frame, the stepped cavity is communicated with the inner hole, the push plate is movably sleeved in the stepped cavity, the cleaning brush is fixedly connected to the front side of the push plate, one end of the spring is fixed in the stepped cavity, and the other end is fixedly connected to the back side of the push plate.

[0013] Preferably, the supporting assembly includes a movable disk, a connecting rod, a push rod, a movable plug, a ventilation groove, a sleeve plate, a fixed plate and a second spring. The movable disks in the two supporting assemblies are respectively sleeved in the detection cylinder one and the detection cylinder two. One end of the connecting rod is fixed to the front end of the movable disk, and the other end of the connecting rod is fixedly connected to the movable plug. The movable plug is movably sleeved in the air hole. The ventilation groove is provided on the movable disk. The push rod is fixed to the rear end of the movable disk. The other end of the push rod extends into the auxiliary cavity and is fixedly connected to the sleeve plate. The fixed plate is fixedly sleeved in the reserved cavity and sleeved on the outside of the rotating assembly. The second spring is fixedly connected between the fixed plate and the sleeve plate.

[0014] Preferably, the distribution type air supply assembly includes a distribution sleeve, a support tube, an air pump 2, a reversing valve and an intermediate tube. The distribution sleeve is arranged at the outer end of the rotating shaft, and the reversing valve is fixedly connected to the end face of the distribution sleeve. One end of the support tube is fixedly connected to the reversing valve, and the other end is fixedly connected to the fixed plate. The two air outlet ends of the reversing valve are respectively connected to the support tube and the distribution sleeve, and the air outlet end of the support tube is connected to the auxiliary cavity. The two air pumps 2 are fixedly installed at the ends of the detection cylinder 1 and the detection cylinder 2. The intermediate tube is fixedly connected between the air pump 2 and the reversing valve. The air pump 2 inputs the pressurized air into the reversing valve through the intermediate tube.

[0015] The beneficial effects of the present invention are as follows:

[0016] 1. The present invention reserves an isolation space by utilizing a reserved cavity and assembling a rotatable processing component in the reserved cavity, so that when the textile fabric is clamped between the detection cylinder 1 and the detection cylinder 2, an operating space is reserved on both sides of the textile fabric. The distributed air supply component is then used to introduce pressurized air into the processing component, so that the processing component actively moves and approaches the side of the textile fabric and maintains contact. Subsequently, the power mechanism is used to drive the rotation of the rotating component to realize the rotation of the processing component, thereby cleaning the two sides of the textile fabric to be tested after friction contact in the reserved cavity. On the one hand, the particles attached to the surface are removed to prevent the particles from clogging the gaps in the textile fabric. On the other hand, the fibers accumulated on the surface of the textile fabric are cleaned to prevent the accumulated fibers from affecting the air permeability in the gaps in the textile fabric, thereby ensuring that effective and accurate air permeability testing is maintained.

[0017] 2. The present invention reuses the air supply effect of the distributed air supply component. After the surface is cleaned, the ventilation direction is switched and the pressurized air is guided to promote the lateral movement of the support component. On the one hand, the synchronous opening of the No. 1 cavity in the vacuum area and the No. 2 cavity in the high-pressure area is realized. On the other hand, the contact support between multiple groups of movable plugs and the textile fabric is realized. The textile fabric is supported laterally by multiple groups of equally spaced movable plugs, thereby avoiding elastic deformation of the textile fabric under the action of high and low pressure differences, and avoiding the increase or decrease of local gaps in the elastically deformed textile fabric. The stability of the textile fabric in the vertical plane is ensured, and the air permeability detection of the textile fabric under the stable gap is realized, which greatly improves the actual detection effect, avoids the interference of elastic deformation in the detection, and has a good use effect.

[0018] 3. The present invention utilizes the isolation of chamber No. 1 and the reserved chamber, and the isolation of chamber No. 2 from the reserved chamber, and utilizes the movable plug to seal and block the air holes. During the period of establishing negative pressure inside chamber No. 1 and high pressure inside chamber No. 2, the rotation processing of the processing component in the reserved chamber is synchronously utilized to realize the surface treatment of the textile fabric in the preparation stage before detection, thereby improving the detection effect while saving detection time, increasing the cleaning process while not taking up preparation time, and at the same time, the movable plug is moved and opened to realize the opening of chamber No. 1 and chamber No. 2, and simultaneously support the textile fabric, realize the establishment of air pressure difference for detection and complete auxiliary support at the same time, improve the detection effect from multiple angles while ensuring normal detection efficiency, and have good use effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the present invention;

[0020] Figure 2 This is a schematic diagram of the installation of the movable block and the transverse adjustment mechanism of the present invention;

[0021] Figure 3 is a schematic cross-sectional view of the rotating assembly and the supporting assembly of the present invention;

[0022] Figure 4 Schematic cross-sectional view of the detection tube 1 of the present invention;

[0023] Figure 5 It is a cross-sectional schematic diagram of the detection tube 2 of the present invention;

[0024] Figure 6 Schematic diagram of the socket connection between the rotating assembly and the supporting assembly of the present invention;

[0025] Figure 7 is a schematic diagram of a support assembly of the present invention;

[0026] Figure 8 is a schematic diagram of a rotating assembly of the present invention;

[0027] Figure 9 An exploded schematic diagram of the processing assembly of the present invention;

[0028] Figure 10 It is a schematic diagram of the distributed air supply assembly of the present invention.

[0029] Figure: 1. Mounting frame; 2. Movable block; 3. Transverse adjustment mechanism; 4. Detection cylinder 1; 5. Detection cylinder 2; 6. Vacuum pump; 7. Air supply pump 1; 8. Air permeability detector; 9. Cavity 1; 10. Cavity 2; 11. Reserved cavity; 12. Magnetic plate; 13. Auxiliary cavity; 14. Rotating assembly; 141. Rotating shaft; 142. Gear 1; 143. Inner hole; 15. Processing assembly; 151. Connecting frame; 152. Push plate; 153 , cleaning brush; 154, spring one; 16, power mechanism; 17, support assembly; 171, movable disk; 172, connecting rod; 173, push rod; 174, movable plug; 175, ventilation groove; 176, sleeve plate; 177, fixed plate; 178, spring two; 18, distributed air supply assembly; 181, distribution sleeve; 182, support pipe; 183, air pump two; 184, reversing valve; 185, intermediate pipe; 19, air hole. DETAILED DESCRIPTION

[0030] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0031] like Figures 1 to 10 As shown, the embodiment of the present invention provides an efficient air permeability detection device for textile fabrics, including a mounting frame 1, a lateral adjustment mechanism 3 is provided inside the mounting frame 1, a detection cylinder 1 4 and a detection cylinder 2 5 are respectively slidably provided on the front of the mounting frame 1, the lateral adjustment mechanism 3 controls the detection cylinder 1 4 and the detection cylinder 2 5 to move closer and farther away at the same time, a reserved cavity 11 is provided at the near end of the detection cylinder 1 4 and the detection cylinder 2 5, a processing component 15 is provided inside the reserved cavity 11 for rotation, and a rotation group 15 is provided inside the detection cylinder 1 4 and the detection cylinder 2 5 for rotation. The rotating assembly 14 drives the processing assembly 15 to rotate. The outer side of the rotating assembly 14 is provided with a support assembly 17. The outer ends of the detection tube 1 4 and the detection tube 2 5 are fixed with a distribution type gas supply assembly 18. The distribution type gas supply assembly 18 inputs gas into the processing assembly 15 and the support assembly 17 respectively. The top of the detection tube 1 4 is provided with a vacuum pump 6, and the top of the detection tube 2 5 is provided with an air supply pump 1 7. The interior of the detection tube 1 4 is provided with a gas permeability detector 8. The interiors of the detection tube 1 4 and the detection tube 2 5 are provided with air holes 19.

[0032] The processing assembly 15 includes a connecting frame 151, a push plate 152, a cleaning brush 153 and a spring 154.

[0033] Example: During use, the textile fabric to be tested is placed between the detection cylinder 1 4 and the detection cylinder 2 5, the lateral adjustment mechanism 3 is started, and the detection cylinder 1 4 and the detection cylinder 2 5 are driven to approach each other, so that the detection cylinder 1 4 and the detection cylinder 2 5 clamp the textile fabric to be tested, the power mechanism 16 is started, so that the rotating motor drives the gear 2 to rotate, and the meshing gear 1 142 is rotated, and the rotating assembly 14 is rotated, so that the processing assembly 15 connected to the fixed end of the rotating shaft 141 rotates, and at the same time, the air pump 2 183 in the distributed air supply assembly 18 is started, so that the pressurized air is input into the distribution sleeve 181 through the reversing valve 184, and then input into the rotating shaft 1 41, and the pressurized air is input into the stepped cavity of the processing component 15, pushing the push plate 152 to move horizontally, driving the cleaning brush 153 to move outward and gradually contact the clamped textile fabric, the spring 154 is kept stretched, so that the processing components 15 on both sides are in contact with the textile fabric, and the rotating cleaning brush 153 in the rotating state cleans and rubs the two sides of the textile fabric to complete the cleaning; during the cleaning process, the vacuum pump 6 and the air supply pump 17 are kept started respectively, the vacuum pump 6 sucks the air in the No. 1 cavity 9 corresponding to the detection cylinder 4, and the air supply pump 17 continuously injects pressurized air into the No. 2 cavity 10 of the detection cylinder 2 5, and the No. The chamber 9 forms an internal vacuum, and the No. 2 chamber 10 forms a high-pressure chamber. After completing the chamber preparation before cleaning and testing, the rotation of the power mechanism 16 is stopped, and the reversing valve 184 is activated, so that the air pump 183 inputs the pressurized air into the auxiliary chamber 13 through the intermediate pipe 185, the reversing valve 184 and the support pipe 182. The air pressure inside the auxiliary chamber 13 increases, and the sleeve plate 176 is pushed to move horizontally, which drives the push rod 173 to move, and drives the movable disk 171 to move horizontally, and the connecting rod 172 drives the movable plug 174 to move, and the movable plug 174 is moved out of the air hole 19. The reserved chambers 11 on both sides are respectively connected with the No. 1 chamber 9 and the No. 2 chamber 10 on the corresponding side, and the movable disk 171 is pushed to move horizontally. The movable multiple groups of active plugs 174 move to the side of the textile fabric and contact with the textile fabric. As cavity No. 1 9 and cavity No. 2 10 are opened, the high-pressure air in cavity No. 2 10 penetrates through the textile fabric toward the vacuum chamber of cavity No. 1 9. As the air pressure penetrates, the air pressure inside cavity No. 1 9 changes and increases, and the gas in the high-pressure area flows to the low-pressure area. The corresponding air permeability detector 8 in cavity No. 1 9 detects the change in flow value in cavity No. 1 9, and cooperates with the external detection conversion equipment (which is an existing equipment, and calculates the flow change detected by the air permeability detector 8 and the set pressure difference and the area to be tested of the textile fabric to obtain the air permeability, and the model of the air permeability detector 8 is YG461 E, and the area to be tested of the textile fabric here is the difference between the cross-sectional area of the reserved cavity 11 and the area of all the active plugs 174 on one side). The active plugs 174 on both sides support the fabric to maintain vertical stability and complete the detection.

[0034] First, an isolation space is reserved by utilizing the reserved cavity 11, and a rotatable processing component 15 is installed in the reserved cavity 11, so that when the textile fabric is clamped between the detection cylinder 1 4 and the detection cylinder 2 5, an operating space is reserved on both sides of the textile fabric. Then, the distributed air supply component 18 is used to introduce pressurized air into the processing component 15, so that the processing component 15 actively moves and approaches the side of the textile fabric and maintains contact. Then, the power mechanism 16 is used to drive the rotation of the rotating component 14 to realize the rotation of the processing component 15, so that the two sides of the textile fabric to be tested are cleaned after friction contact in the reserved cavity 11. On the one hand, the particles attached to the surface are removed to prevent the particles from clogging the gaps in the textile fabrics. On the other hand, the fibers accumulated on the surface of the textile fabric are cleaned to prevent the accumulated fibers from affecting the air permeability in the gaps in the textile fabrics, thereby ensuring effective and accurate air permeability testing.

[0035] In addition, by reusing the air supply effect of the distributed air supply component 18, after the surface is cleaned, by switching the ventilation direction and guiding the pressurized air to promote the lateral movement of the support component 17, on the one hand, the synchronous opening of the No. 1 cavity 9 in the vacuum area and the No. 2 cavity 10 in the high-pressure area is achieved, and on the other hand, the contact support of multiple groups of movable plugs 174 and the textile fabric is achieved. The textile fabric is supported laterally by multiple groups of equally spaced movable plugs 174 to avoid elastic deformation of the textile fabric under the action of high and low pressure differences, and to avoid the increase or decrease of local gaps in the elastically deformed textile fabric, thereby ensuring that the textile fabric maintains stability in the vertical plane and realizing the air permeability detection of the textile fabric under a stable gap, which greatly improves the actual detection effect, avoids elastic deformation interfering with the detection, and has a good use effect.

[0036] On the other hand, by isolating the No. 1 cavity 9 from the reserved cavity 11, and isolating the No. 2 cavity 10 from the reserved cavity 11, and using the movable plug 174 to seal and block the air hole 19, during the period of establishing negative pressure inside the No. 1 cavity 9 and high pressure inside the No. 2 cavity 10, the rotation processing of the processing component 15 in the reserved cavity 11 is synchronously utilized to realize the surface treatment of the textile fabric in the preparation stage before detection, thereby improving the detection effect while saving the detection time, increasing the cleaning process while not taking up the preparation time, and at the same time, the movable plug 174 is moved and opened to realize the opening of the No. 1 cavity 9 and the No. 2 cavity 10, and simultaneously support the textile fabric, realize the establishment of the air pressure difference for detection and complete the auxiliary support, improve the detection effect from multiple angles while ensuring the normal detection efficiency, and have a good use effect.

[0037] Among them, the front side of the mounting frame 1 is slidably sleeved with a movable block 2, and there are two movable blocks 2. The two movable blocks 2 correspond one-to-one to the detection tube 1 4 and the detection tube 2 5, and the detection tube 1 4 and the detection tube 2 5 are fixedly connected to the front side of the movable block 2. The movable block 2 is threadedly sleeved in the transverse adjustment mechanism 3. The transverse adjustment mechanism 3 includes a servo motor and a screw rod. The servo motor drives the screw rod to rotate forward and reverse, and the threads on both sides of the outer surface of the screw rod rotate in opposite directions.

[0038] By utilizing the lateral adjustment mechanism 3 to control the movement of the movable block 2, the detection cylinder 1 4 and the detection cylinder 2 5 can be moved closer or further away, and the textile fabric can be clamped when they are close to each other.

[0039] Among them, a No. 1 cavity 9 is opened inside the detection tube 1 4, and a No. 2 cavity 10 is opened inside the detection tube 2 5. The vacuum pump 6 sucks the air in the No. 1 cavity 9, and the air supply pump 1 7 passes the pressurized air into the No. 2 cavity 10.

[0040] A vacuum area is established by using a vacuum pump 6 to suck the air in the No. 1 cavity 9, and a high-pressure area is established by passing pressurized air into the No. 2 cavity 10 through an air supply pump 7, thereby establishing a pressure difference space on both sides of the clamped textile fabric to achieve preparation before testing.

[0041] The proximal ends of the detection tube 1 4 and the detection tube 2 5 are fixedly sleeved with a magnetic plate 12 , which is located in the reserved cavity 11 , and the distal ends of the detection tube 1 4 and the detection tube 2 5 are provided with an auxiliary cavity 13 .

[0042] The ends of the metal connecting frame 151 are adsorbed on both sides by the magnetic plates 12. After the rotational force stops, the connecting frame 151 rotates with the inertia and is magnetically attracted by the magnetic plates 12 on both sides when the rotational potential energy gradually decreases, so that the connecting frame 151 maintains horizontal stability in a stationary state and avoids interfering with the movement of the movable plug 174.

[0043] Among them, the rotating assembly 14 includes a rotating shaft 141, a gear 142 and an inner hole 143. The gear 142 is fixedly sleeved on the outer surface of the rotating shaft 141, and the inner hole 143 is opened in the rotating shaft 141. The two rotating shafts 141 are respectively rotatably sleeved in the detection cylinder 1 4 and the detection cylinder 2 5. The power mechanism 16 includes a rotating motor and a gear 2. The rotating motor drives the gear 2 to rotate, and the gear 2 is meshed with the gear 1 142.

[0044] The rotating assembly 14 provides input pressure air from the inside and guides the pressure air into the processing assembly 15 . On the other hand, it transmits the rotational force to realize the rotation of the processing assembly 15 .

[0045] Among them, the connecting frame 151 is fixedly connected to one end of the rotating shaft 141, and a stepped cavity is opened inside the connecting frame 151, which is connected to the inner hole 143. The push plate 152 is movably sleeved in the stepped cavity, and the cleaning brush 153 is fixedly connected to the front side of the push plate 152. One end of the spring 154 is fixed in the stepped cavity, and the other end is fixedly connected to the back side of the push plate 152.

[0046] By utilizing the increased air pressure inside the stepped cavity, the push plate 152 and the cleaning brush 153 are pushed to move, and come into contact with the textile fabric and rotate in coordination to complete the surface treatment. The spring 154 utilizes its elasticity to facilitate reset.

[0047] Among them, the support assembly 17 includes a movable disk 171, a connecting rod 172, a push rod 173, a movable plug 174, a ventilation groove 175, a sleeve plate 176, a fixed plate 177 and a spring 2 178. The movable disks 171 in the two support assemblies 17 are respectively sleeved in the detection cylinder 1 4 and the detection cylinder 2 5. One end of the connecting rod 172 is fixed to the front end of the movable disk 171, and the other end of the connecting rod 172 is fixedly connected to the movable plug 174. The movable plug 174 is movably sleeved in the air hole 19. The ventilation groove 175 is opened on the movable disk 171. The push rod 173 is fixed to the rear end of the movable disk 171. The other end of the push rod 173 extends into the auxiliary cavity 13 and is fixedly connected to the sleeve plate 176. The fixed plate 177 is fixedly sleeved in the reserved cavity 11 and sleeved on the outside of the rotating assembly 14. The spring 2 178 is fixedly connected between the fixed plate 177 and the sleeve plate 176.

[0048] By utilizing the lateral movement of the support assembly 17, the air holes 19 are opened after the movement, and at the same time, the limited support of the textile fabric is achieved to avoid severe elastic deformation that affects the detection result.

[0049] Among them, the distributed air supply assembly 18 includes a distribution sleeve 181, a support tube 182, an air pump 183, a reversing valve 184 and an intermediate tube 185. The distribution sleeve 181 is sleeved on the outer end of the rotating shaft 141, and the reversing valve 184 is fixedly connected to the end face of the distribution sleeve 181. One end of the support tube 182 is fixedly connected to the reversing valve 184, and the other end is fixedly connected to the fixed plate 177. The two air outlet ends of the reversing valve 184 are respectively connected to the support tube 182 and the distribution sleeve 181, and the air outlet end of the support tube 182 is connected to the auxiliary chamber 13. The two air pumps 183 are fixedly installed at the ends of the detection cylinder 14 and the detection cylinder 25. The intermediate tube 185 is fixedly connected between the air pump 183 and the reversing valve 184. The air pump 183 inputs the pressurized air into the reversing valve 184 through the intermediate tube 185.

[0050] The distributed gas supply assembly 18 outputs gas in different directions, controlling the processing assembly 15 on one hand and the movement of the support assembly 17 on the other hand, thereby realizing the opening operation of the gas hole 19 .

[0051] The working principle and use process of the present invention are as follows: during use, the textile fabric to be tested is placed between the detection cylinder 1 4 and the detection cylinder 2 5, the lateral adjustment mechanism 3 is started, and the detection cylinder 1 4 and the detection cylinder 2 5 are driven to approach each other, so that the detection cylinder 1 4 and the detection cylinder 2 5 clamp the textile fabric to be tested, the power mechanism 16 is started, so that the rotating motor drives the gear 2 to rotate, and the meshing gear 1 142 is rotated, and the rotating assembly 14 is rotated, so that the processing assembly 15 connected to the fixed end of the rotating shaft 141 rotates, and at the same time, the air pump 2 183 in the distributed air supply assembly 18 is started, so that the pressurized air is input into the distribution sleeve 181 through the reversing valve 184, and then the air is discharged from the distribution sleeve 181. The air is input into the inner hole 143 of the rotating shaft 141, and the pressurized air is input into the stepped cavity of the processing component 15, pushing the push plate 152 to move horizontally, driving the cleaning brush 153 to move outward and gradually contact the clamped textile fabric, and the spring 154 remains stretched, so that the processing components 15 on both sides are in contact with the textile fabric, and the cleaning brush 153 rotating in the rotating state cleans and rubs the two sides of the textile fabric to complete the cleaning; during the cleaning process, the vacuum pump 6 and the air supply pump 17 are kept started respectively, the vacuum pump 6 sucks the air in the No. 1 cavity 9 corresponding to the detection cylinder 14, and the air supply pump 17 continuously injects pressurized air into the No. 2 cavity 1 of the detection cylinder 2 5 0, the No. 1 chamber 9 forms an internal vacuum, and the No. 2 chamber 10 forms a high-pressure cavity. After completing the cleaning and chamber preparation before testing, the rotation of the power mechanism 16 is stopped, and the reversing valve 184 is actuated, so that the air pump 183 inputs the pressurized air into the auxiliary chamber 13 through the intermediate pipe 185, the reversing valve 184 and the support pipe 182. The air pressure inside the auxiliary chamber 13 increases, and the sleeve 176 is pushed to move horizontally, which drives the push rod 173 to move, and drives the movable disk 171 to move horizontally, and the connecting rod 172 drives the movable plug 174 to move, and the movable plug 174 is moved out of the air hole 19. The reserved chambers 11 on both sides are respectively connected with the No. 1 chamber 9 and the No. 2 chamber 10 on the corresponding side. , and the multiple groups of movable plugs 174 move to the side of the textile fabric and contact with the textile fabric. As the No. 1 cavity 9 and the No. 2 cavity 10 are opened, the high-pressure air in the No. 2 cavity 10 penetrates through the textile fabric toward the vacuum chamber of the No. 1 cavity 9. As the air pressure penetrates, the air pressure inside the No. 1 cavity 9 changes and increases, and the gas in the high-pressure area flows to the low-pressure area. The corresponding air permeability detector 8 in the No. 1 cavity 9 detects the change in the flow value in the No. 1 cavity 9, and cooperates with the external detection conversion equipment (which is an existing equipment, and calculates the flow change obtained by the air permeability detector 8 with the set pressure difference and the area to be tested of the textile fabric to obtain the air permeability, and the model of the air permeability detector 8 is YG461 E, and the area to be tested of the textile fabric here is the difference between the cross-sectional area of the reserved cavity 11 and the area of all the movable plugs 174 on one side). The movable plugs 174 on both sides support the fabric to maintain vertical stability and complete the detection.

[0052] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. An efficient air permeability detection device for textile fabrics, comprising a mounting frame (1), characterized in that: The interior of the mounting frame (1) is provided with a transverse adjustment mechanism (3), and the front of the mounting frame (1) is provided with a detection cylinder 1 (4) and a detection cylinder 2 (5) for sliding respectively. The transverse adjustment mechanism (3) controls the detection cylinder 1 (4) and the detection cylinder 2 (5) to approach and move away at the same time. The proximal ends of the detection cylinder 1 (4) and the detection cylinder 2 (5) are provided with a reserved cavity (11), and a processing assembly (15) is provided in the reserved cavity (11) for rotation. The interiors of the detection cylinder 1 (4) and the detection cylinder 2 (5) are provided with a rotating assembly (14) for rotation. The rotating assembly (14) drives the processing assembly (15) to rotate. ) rotates, the outer side of the rotating assembly (14) is provided with a supporting assembly (17), the outer ends of the detection tube 1 (4) and the detection tube 2 (5) are fixed with a distribution type air supply assembly (18), the distribution type air supply assembly (18) inputs gas into the processing assembly (15) and the supporting assembly (17) respectively, the top of the detection tube 1 (4) is provided with a vacuum pump (6), the top of the detection tube 2 (5) is provided with an air supply pump 1 (7), the interior of the detection tube 1 (4) is provided with a gas permeability detector (8), and the interiors of the detection tube 1 (4) and the detection tube 2 (5) are provided with air holes (19), The processing assembly (15) includes a connecting frame (151), a push plate (152), a cleaning brush (153) and a spring (154). The support assembly (17) includes a movable disk (171), a connecting rod (172), a push rod (173), a movable plug (174), a venting groove (175), a sleeve plate (176), a fixed plate (177) and a second spring (178). The movable disks (171) in the two support assemblies (17) are respectively sleeved in the detection cylinder (4) and the detection cylinder (5). One end of the connecting rod (172) is fixed to the front end of the movable disk (171), and the other end of the connecting rod (172) is fixedly connected to the movable plug (174). The movable plug (174) is movably sleeved in the air hole (19), the ventilation groove (175) is opened on the movable disk (171), the push rod (173) is fixed to the rear end of the movable disk (171), the other end of the push rod (173) extends into the auxiliary cavity (13) and is fixedly connected to the sleeve plate (176), the fixed plate (177) is fixedly sleeved in the reserved cavity (11) and sleeved on the outside of the rotating assembly (14), and the spring 2 (178) is fixedly connected between the fixed plate (177) and the sleeve plate (176).

2. The high-efficiency air permeability detection device for textile fabrics according to claim 1, characterized in that: A movable block (2) is slidably sleeved on the front of the mounting frame (1). The number of the movable blocks (2) is two. The two movable blocks (2) correspond one to one with the detection cylinder 1 (4) and the detection cylinder 2 (5). The detection cylinder 1 (4) and the detection cylinder 2 (5) are fixedly connected to the front of the movable block (2). The movable block (2) is threadedly sleeved in the transverse adjustment mechanism (3).

3. The high-efficiency air permeability detection device for textile fabrics according to claim 2, characterized in that: The transverse movement adjustment mechanism (3) comprises a servo motor and a screw rod, wherein the servo motor drives the screw rod to rotate forward and reverse, and the threads on both sides of the outer surface of the screw rod rotate in opposite directions.

4. The high-efficiency air permeability detection device for textile fabrics according to claim 3, characterized in that: The first detection tube (4) has a first cavity (9) formed inside, and the second detection tube (5) has a second cavity (10) formed inside. The vacuum pump (6) sucks air from the first cavity (9), and the first air supply pump (7) passes pressurized air into the second cavity (10).

5. The high-efficiency air permeability detection device for textile fabrics according to claim 4, characterized in that: The proximal ends of the detection tube 1 (4) and the detection tube 2 (5) are both fixedly sleeved with a magnetic plate (12), and the magnetic plate (12) is located in the reserved cavity (11). The ends of the detection tube 1 (4) and the detection tube 2 (5) that are away from each other are provided with an auxiliary cavity (13).

6. The high-efficiency air permeability testing device for textile fabrics according to claim 5, characterized in that: The rotating assembly (14) includes a rotating shaft (141), a gear 1 (142) and an inner hole (143). The gear 1 (142) is fixedly sleeved on the outer surface of the rotating shaft (141). The inner hole (143) is opened in the rotating shaft (141). The two rotating shafts (141) are rotatably sleeved in the detection cylinder 1 (4) and the detection cylinder 2 (5) respectively. The power mechanism (16) includes a rotating motor and a gear 2. The rotating motor drives the gear 2 to rotate, and the gear 2 is meshed with the gear 1 (142).

7. The high-efficiency air permeability detection device for textile fabrics according to claim 6, characterized in that: The connecting frame (151) is fixedly connected to one end of the rotating shaft (141); a stepped cavity is provided inside the connecting frame (151); the stepped cavity is communicated with the inner hole (143); the push plate (152) is movably sleeved in the stepped cavity; the cleaning brush (153) is fixedly connected to the front of the push plate (152); one end of the spring (154) is fixed in the stepped cavity, and the other end is fixedly connected to the back of the push plate (152).

8. The high-efficiency air permeability testing device for textile fabrics according to claim 7, characterized in that: The distributed air supply assembly (18) comprises a distribution sleeve (181), a support tube (182), an air pump (183), a reversing valve (184) and an intermediate tube (185). The distribution sleeve (181) is sleeved on the outer end of the rotating shaft (141). The reversing valve (184) is fixedly connected to the end face of the distribution sleeve (181). One end of the support tube (182) is fixedly connected to the reversing valve (184), and the other end is fixedly connected to the fixed plate (177). The reversing valve (184) is fixedly connected to the fixed plate (177). ) are respectively connected to the support tube (182) and the distribution sleeve (181), the air outlet end of the support tube (182) is connected to the auxiliary chamber (13), the two air pumps (183) are fixedly installed at the ends of the detection cylinder (4) and the detection cylinder (5), the intermediate tube (185) is fixedly connected between the air pump (183) and the reversing valve (184), and the air pump (183) inputs the pressurized air into the reversing valve (184) through the intermediate tube (185).

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