On-line detection device for moisture permeability of coated fabric

Abstract

The invention discloses a coated fabric moisture permeability on-line detection device which comprises a water vat and a coated fabric transport frame, coated fabric drying equipment is mounted on the left side surface of the coated fabric transport frame, coated fabric winding equipment is mounted on the right side surface of the coated fabric transport frame, and an electromagnetic valve is mounted on the bottom end surface of the water vat. The fabric cutting equipment is mounted at the upper end of the water vat, the moisture permeability detection device is mounted at the upper end of the water vat, and the coated fabric conveying frame is mounted at the upper end of the water vat. According to the coating fabric moisture-penetrability detection device, by arranging the cutting assembly, the moisture-penetrability detection device and the coating fabric conveying frame, a device in the cutting assembly can conduct cutting operation on a coating fabric on the moisture-penetrability detection device, real-time moisture-penetrability detection can be conducted on the coating fabric on a production line, and the moisture-penetrability detection of the coating fabric is convenient and rapid.

Description

Technical Field

[0001] The invention generally relates to the technical field of coated fabrics, and in particular to an online detection device for moisture permeability of coated fabrics. Background Art

[0002] Fabrics are materials made of fibers or threads, and are widely used in clothing, household goods, industrial products, etc. Fabrics have a variety of properties and uses, such as breathability, comfort, wear resistance, etc.

[0003] The testing of moisture permeability is usually carried out through a series of experiments and tests. These tests may involve the use of different instruments and equipment to evaluate the degree of water vapor transmission of the material. One common test method is to determine the moisture permeability of the material by measuring the amount of water vapor transmitted by the material. This helps to evaluate the material's ability to block moisture under different conditions, thereby determining its suitability for a specific application.

[0004] The prior art discloses a textile moisture permeability tester with application number: CN201611230993.7, comprising a water cylinder, a baffle, a connecting rod, a fixing seat, a handle, a display module, a drain port, a moving wheel, a moisture permeability detection device, a fixing bolt, a fixing nut and a temperature sensor, wherein the fixing seat is fixed on the upper part of the water cylinder; the handle is installed on the upper left and right sides of the water cylinder; and the temperature sensor is installed at the four corners of the water cylinder. The present invention is convenient for draining the water in the water cylinder when not in use through the setting of the valve, making it more convenient to use; the setting of the liquid level sensor is convenient for detecting whether the water reaches the height of the liquid level sensor within a certain period of time, making it convenient for detection; the setting of the sealing pad is convenient for using the third experimental cup without being affected by the first experimental cup and the second experimental cup; the setting of the moving wheel is convenient for moving the main body of the tester; and the setting of the handle is convenient for carrying.

[0005] The existing testing device cuts the coated fabric and places the cut coated fabric under a test cup for moisture permeability test. However, since it is not on the production line, the moisture permeability test of the coated fabric cannot be performed in real time, making the moisture permeability test of the coated fabric more troublesome and time-consuming. Summary of the invention

[0006] In view of the above-mentioned defects or deficiencies in the prior art, it is desirable to provide an online detection device for the moisture permeability of coated fabrics.

[0007] The present application provides an online detection device for the moisture permeability of coated fabrics, comprising a water cylinder and a coated fabric transport rack, a coated fabric drying device is installed on the left surface of the coated fabric transport rack, a coated fabric winding device is installed on the right surface of the coated fabric transport rack, an electromagnetic valve is installed on the bottom surface of the water cylinder, a fabric cutting device is installed on the upper end of the water cylinder, a moisture permeability detection device is installed on the upper end of the water cylinder, the coated fabric transport rack is installed on the upper end of the water cylinder, there are two coated fabric transport racks, the two coated fabric transport racks are distributed on the left and right, and the coated fabric drying device, the water cylinder and the coated fabric winding device are arranged in sequence from left to right.

[0008] The fabric cutting device includes a connecting metal plate, an electric push rod, a T-shaped connecting plate, a limiting plug and a fixing device, wherein the connecting metal plate is located at the upper end of the fabric cutting device, the connecting metal plate is installed on the top surface of the electric push rod, the T-shaped connecting plate is arranged at the lower end of the electric push rod, the T-shaped connecting plate is threadedly connected to the upper end of the fixing device, and the limiting plug is threadedly connected to the right end of the connecting metal plate.

[0009] The fixing device includes a lower metal shell, a fabric latch, a cutting assembly, an adjusting assembly and an upper metal shell. The upper metal shell is located at the upper end of the fixing device, the upper metal shell is threadedly connected to the top end surface of the lower metal shell, the fabric latch is fixedly connected to the bottom end surface of the lower metal shell, the cutting assembly is installed at the rear end of the lower metal shell, and the adjusting assembly is arranged on the inner wall surface of the upper metal shell.

[0010] According to the above technical solution, the cutting assembly includes a connecting frame, a coil spring, a fabric cutting blade and a threaded adjustment sleeve, the fabric cutting blade is located at the lower end of the cutting assembly, the fabric cutting blade is plugged into the lower end of the connecting frame, the threaded adjustment sleeve is movably connected to the lower end surface of the connecting frame, and the coil spring is fixedly connected to the top end surface of the threaded adjustment sleeve.

[0011] According to the above technical solution, the moisture permeability detection device includes a coated fabric supporting plate, a connecting rod, an experimental cup assembly and a limiting assembly, wherein the coated fabric supporting plate is located at the lower end of the moisture permeability detection device, the coated fabric supporting plate is arranged on the bottom end surface of the experimental cup assembly, the coated fabric supporting plate is threadedly connected to the lower end of the connecting rod, and the limiting assembly is arranged at the upper end of the connecting rod.

[0012] According to the above technical solution, the limiting assembly includes a metal plate, a sliding connection block, a metal sliding rod and a metal plug block, the metal plug block is located at the right end of the limiting assembly, the metal plug block is movably connected to the lower end of the sliding connection block, the sliding connection block is threadedly connected to the middle position of the metal plate, the metal plug block is movably connected to the right end of the metal sliding rod, the sliding connection block is composed of an L-shaped metal plate, a fixed threaded rod and a limiting nut, the fixed threaded rod is movably connected to the inner wall surface of the metal plate, and the L-shaped metal plate is movably connected to the bottom end surface of the metal plate, and the limiting threaded nut is movably connected to the top end surface of the metal plate, so that the sliding connection block and the metal plate can be locked and fixed.

[0013] According to the above technical solution, the threaded adjustment sleeve is movably connected to the rear end of the lower metal shell, the threaded adjustment sleeve is movably connected to the rear end of the upper metal shell, the fabric cutting blade is movably connected to the inner wall surface of the lower end of the threaded adjustment sleeve, and the threaded adjustment sleeve is threadedly connected to the rear end of the adjustment component. The adjustment component drives the threaded adjustment sleeve to reciprocate, and can drive the fabric cutting blade to move up and down with the help of a spiral spring, so that the coated fabric can be cut.

[0014] According to the above technical solution, the lower metal shell is movably connected to the top surface of the coated fabric supporting plate, and the fabric latch is movably connected to the right end of the coated fabric supporting plate. The lower metal shell moves downward, so that the lower metal shell drives the fabric latch to move downward, thereby allowing the fabric latch and the coated fabric to be plugged in. The position of the coated fabric can be determined, so that the experimental cup assembly can perform moisture permeability testing on the coated fabric.

[0015] According to the above technical solution, the limit plug is installed at the upper end of the water cylinder, the limit plug is threadedly connected to the right end of the metal slide rod, and the connecting metal plate is movably connected to the top surface of the metal plate, so that the limit plug determines the position of the connecting metal plate and the metal plate, can adjust the position of the metal plate, and can disassemble and replace the fabric cutting equipment at the same time.

[0016] According to the above technical solution, the T-shaped connecting plate is threadedly connected to the upper end of the upper metal shell, and the limiting plug is threadedly connected to the right end of the connecting metal plate. By rotating the nut, the nut can threadably fix the T-shaped connecting plate and the upper metal shell, making it convenient to replace the upper metal shell, thereby increasing the service life of the device.

[0017] According to the above technical solution, the connecting rod is movably connected to the front end of the metal plate, and the metal plate is movably connected to the top surface of the water cylinder. There are four connecting rods, two connecting rods form a group, the two groups of connecting rods are distributed front and back, and the two connecting rods on the same side are distributed left and right, which is enough to limit and fix coated fabric bearing plates of different specifications, so that cutting operations can be performed on fabrics of different specifications.

[0018] Compared with the prior art, the beneficial effects achieved by the present invention are: 1. The present invention, by providing a cutting assembly, a moisture permeability detection device and a coated fabric transport rack, can enable a device inside the cutting assembly to cut the coated fabric on the moisture permeability detection device, and can perform real-time moisture permeability detection on the coated fabric on the production line, making the moisture permeability detection of the coated fabric more convenient and faster.

[0019] 2. The present invention is provided with an electric push rod, a T-shaped connecting plate and a fixing device. The nut rotates on the threaded rod of the fixing device, so that the fixing device can be separated from the T-shaped connecting plate, so that the fixing device and the T-shaped connecting plate are separated, and the fixing device can be replaced as a whole. Different specifications of coated fabrics can be used, and different specifications of fixing devices can be used, which can increase the service life of the device.

[0020] 3. The present invention is provided with a fabric pin, a limiting metal shell and an adjusting component. The fabric pin is inserted into the interior of the coated fabric, so that the coated fabric to be cut can be limited and fixed, and the position of the coated fabric can be determined, so that the coated fabric can be cut and the coated fabric can be rolled up conveniently.

[0021] 4. The present invention is provided with a cutting blade, a connecting frame and an adjusting component. The adjusting component drives the connecting frame to move left and right, so that the cutting blade can cut the coated fabric, thereby separating the coated fabric to be inspected and the finished coated fabric, thereby protecting the integrity of the coated fabric and avoiding damage to the coated fabric. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Other features, objects and advantages of the present application will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings: Figure 1 It is an overall three-dimensional schematic diagram of the present invention; Figure 2 It is a three-dimensional schematic diagram of the fabric cutting device, the water cylinder and the electromagnetic valve of the present invention; Figure 3 It is a three-dimensional schematic diagram of a fabric cutting device and a moisture permeability detection device of the present invention; Figure 4 The present invention Figure 3 A local enlarged schematic diagram of the structure at A in FIG. Figure 5 is a three-dimensional schematic diagram of a fabric cutting device of the present invention; Figure 6 is a three-dimensional schematic diagram of the fixing device of the present invention; Figure 7is a three-dimensional schematic diagram of the connection frame, the spiral spring and the fabric cutting blade of the present invention; Figure 8 It is a three-dimensional schematic diagram of the metal plate, the sliding connection block and the metal plug block of the present invention; Fig. 9 It is a three-dimensional schematic diagram of the cutting assembly of the present invention. DETAILED DESCRIPTION

[0023] The present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the relevant invention, rather than to limit the invention. It is also necessary to explain that, for ease of description, only the parts related to the invention are shown in the accompanying drawings.

[0024] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0025] See also Figure 1-9 , the present invention provides the following technical solutions: The invention discloses an online detection device for moisture permeability of coated fabrics, comprising a water cylinder 4 and a coated fabric transport rack 6, wherein a coated fabric drying device 2 is installed on the left surface of the coated fabric transport rack 6, a coated fabric winding device 3 is installed on the right surface of the coated fabric transport rack 6, an electromagnetic valve 5 is installed on the bottom surface of the water cylinder 4, a fabric cutting device 1 is installed on the upper end of the water cylinder 4, a moisture permeability detection device 7 is installed on the upper end of the water cylinder 4, the coated fabric transport rack 6 is installed on the upper end of the water cylinder 4, the number of coated fabric transport racks 6 is pieces, two coated fabric transport racks 6 are distributed on the left and right, and the coated fabric drying device 2, the water cylinder 4 and the coated fabric winding device 3 are arranged in sequence from left to right.

[0026] The fabric cutting device 1 includes a connecting metal plate 11, an electric push rod 12, a T-shaped connecting plate 13, a limiting plug 14 and a fixing device 15. The connecting metal plate 11 is located at the upper end of the fabric cutting device 1, the connecting metal plate 11 is installed on the top surface of the electric push rod 12, the T-shaped connecting plate 13 is arranged at the lower end of the electric push rod 12, the T-shaped connecting plate 13 is threadedly connected to the upper end of the fixing device 15, and the limiting plug 14 is threadedly connected to the right end of the connecting metal plate 11.

[0027] The fixing device 15 includes a lower metal shell 151, a fabric pin 152, a cutting assembly 153, an adjusting assembly 154 and an upper metal shell 155. The upper metal shell 155 is located at the upper end of the fixing device 15. The upper metal shell 155 is threadedly connected to the top surface of the lower metal shell 151. The T-shaped connecting plate 13 is threadedly connected to the upper end of the upper metal shell 155. The limiting plug 14 is threadedly connected to the right end of the connecting metal plate 11. By rotating the nut, the nut can threadably fix the T-shaped connecting plate 13 and the upper metal shell 155, which is convenient for replacing the upper metal shell 155, thereby increasing the service life of the device. The fabric pin 152 is fixedly connected to the bottom surface of the lower metal shell 151, the cutting assembly 153 is installed at the rear end of the lower metal shell 151, and the adjusting assembly 154 is arranged on the inner wall surface of the upper metal shell 155.

[0028] The cutting assembly 153 includes a connecting frame 1531, a coil spring 1532, a fabric cutting blade 1533 and a threaded adjustment sleeve 1534. The fabric cutting blade 1533 is located at the lower end of the cutting assembly 153. The fabric cutting blade 1533 is plugged into the lower end of the connecting frame 1531. The threaded adjustment sleeve 1534 is movably connected to the lower end surface of the connecting frame 1531. The threaded adjustment sleeve 1534 is movably connected to the rear end of the lower metal shell 151. The threaded adjustment sleeve 1534 is movably connected to the rear end of the upper metal shell 155. The fabric cutting blade 1533 is movably connected to the inner wall surface of the lower end of the threaded adjustment sleeve 1534. The threaded adjustment sleeve 1534 is threadedly connected to the rear end of the adjusting assembly 154. The adjusting assembly 154 drives the threaded adjustment sleeve 1534 to reciprocate, and can drive the fabric cutting blade 1533 to move up and down with the help of the coil spring 1532, so as to cut the coated fabric. The coil spring 1532 is fixedly connected to the top surface of the threaded adjustment sleeve 1534.

[0029] The moisture permeability detection device 7 includes a coated fabric bearing plate 71, a connecting rod 72, an experimental cup assembly 73 and a limiting assembly 74. The coated fabric bearing plate 71 is located at the lower end of the moisture permeability detection device 7. The lower metal shell 151 is movably connected to the top surface of the coated fabric bearing plate 71. The fabric latch 152 is movably connected to the right end of the coated fabric bearing plate 71. The lower metal shell 151 moves downward, so that the lower metal shell 151 drives the fabric latch 152 to move downward, so that the fabric latch 152 and the coated fabric can be plugged in, and the position of the coated fabric can be determined, so that the experimental cup assembly 73 can perform moisture permeability detection on the coated fabric. The coated fabric bearing plate 71 is arranged on the bottom surface of the experimental cup assembly 73, the coated fabric bearing plate 71 is threadedly connected to the lower end of the connecting rod 72, and the limiting assembly 74 is arranged at the upper end of the connecting rod 72.

[0030] The limiting assembly 74 includes a metal plate 741, a sliding connection block 742, a metal sliding rod 743 and a metal plug block 744. The metal plug block 744 is located at the right end of the limiting assembly 74. The metal plug block 744 is movably connected to the lower end of the sliding connection block 742. The sliding connection block 742 is threadedly connected to the middle position of the metal plate 741. The connecting rod 72 is movably connected to the front end of the metal plate 741. The metal plate 741 is movably connected to the top surface of the water cylinder 4. There are four connecting rods 72. Two connecting rods 72 form a group. The two groups of connecting rods 72 are distributed front and back, and the two connecting rods 72 on the same side are distributed left and right, which can limit and fix the coated fabric bearing plates 71 of different specifications, so that fabrics of different specifications can be cut. The metal plug block 744 is movably connected to the metal The right end of the sliding rod 743, the limiting plug 14 is installed on the upper end of the water cylinder 4, the limiting plug 14 is threadedly connected to the right end of the metal sliding rod 743, and the connecting metal plate 11 is movably connected to the top surface of the metal plate 741, so that the limiting plug 14 can determine the position of the connecting metal plate 11 and the metal plate 741, and can adjust the position of the metal plate 741. At the same time, the fabric cutting equipment 1 can be disassembled and replaced. The sliding connection block 742 is composed of an L-shaped metal plate, a fixed threaded rod and a limiting nut. The fixed threaded rod is movably connected to the inner wall surface of the metal plate 741, and the L-shaped metal plate is movably connected to the bottom surface of the metal plate 741, and the limiting threaded nut is movably connected to the top surface of the metal plate 741, so that the sliding connection block and the metal plate 741 can be locked and fixed.

[0031] When in use, the threaded adjustment sleeve 1534 is pushed forward to allow the cutting assembly 153 to be sleeved on the rear end of the adjustment assembly 154 , so that the threaded adjustment sleeve 1534 is located in the middle position of the adjustment assembly 154 .

[0032] The lower metal shell 151 and the upper metal shell 155 are pushed toward each other so that they can be connected to the surface of the adjustment component 154. At the same time, the threaded adjustment sleeve 1534 slides on the inner wall surface of the lower metal shell 151 and the upper metal shell 155, and then the nut is rotated to thread the lower metal shell 151 and the upper metal shell 155.

[0033] The upper metal shell 155 is pushed downward so that the upper metal shell 155 drives the lower metal shell 151 to move downward, and the fabric latch 152 is inserted into the left and right ends of the coated fabric carrier plate 71 , so that the position of the fixing device 15 can be determined.

[0034] Hold the upper end of the limiting plug 14, push the limiting plug 14 to move downward, and insert the four limiting plugs 14 into the upper end of the water tank in sequence, so as to preliminarily determine the position of the limiting plug 14.

[0035] When the limiting plug block 14 moves downward, the limiting plug block 14 can drive the sliding connection block 742 and the metal plug block 744 to move downward, so that the sliding connection block 742 and the metal plug block 744 can slide up and down on the surface of the water tank 4.

[0036] Push the metal plate 741 downward and let it slide on the surface of the fixed threaded rod of the sliding connecting block 742, so that the bottom surface of the metal plate 741 moves on the top surface of the water cylinder 4, and at the same time, the metal plate 741 slides on the top surface of the L-shaped metal plate, thereby adjusting the position of the metal plate 741.

[0037] Push the connecting metal plate 11 downward, insert the connecting metal plate 11 into the upper end of the limiting plug 14, preliminarily determine the position of the connecting metal plate 11, and then turn the limiting nut. The limiting nut rotates on the upper end of the limiting plug 14 to threadably fix the connecting metal plate 11 and the limiting plug 14.

[0038] The connecting metal plate 11 can also determine the position of the electric push rod 12, and then start the electric push rod 12. The internal piston rod of the electric push rod 12 drives the T-shaped connecting plate 13 to move downward, so that the bottom surface of the T-shaped connecting plate 13 is connected to the top surface of the upper metal shell 155, and then the T-shaped connecting plate 13 and the upper metal shell 155 are threadedly fixed by a nut.

[0039] The electric push rod 12 is started, and the electric push rod 12 drives the fixing device 15 to move upward through the T-shaped connecting plate 13 , so that the fabric latch 152 is separated from the coated fabric bearing plate 71 , so that the fabric latch 152 is located directly above the coated fabric bearing plate 71 .

[0040] At this time, the coated fabric drying device 2 and the water cylinder 4 are started, so that the coated fabric is dried in the coated fabric drying device 2, and the dried coated fabric passes through two coated fabric transport racks 6 and the water cylinder 4, so that the coated fabric is rolled up by the coated fabric rolling device 3.

[0041] When the coated fabric reaches the end, the electric push rod 12 is started, and the electric push rod 12 can move the fixing device 15 downward, so that the fabric plug 152 in the fixing device 15 is inserted into the moisture permeability detection device 7 and the coated fabric, and the position of the coated fabric can be determined.

[0042] Start the adjustment component 154, which drives the threaded adjustment sleeve 1534 to move forward and backward. With the help of the rebound effect of the spiral spring 1532, the spiral spring 1532 can push the fabric cutting blade 1533 to move downward, allowing the fabric cutting blade 1533 to cut the coated fabric.

[0043] At this time, the moisture permeability detection device 7 is started to perform a moisture permeability detection operation on the coated fabric on the coated fabric supporting plate 71 .

[0044] It should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like used above to indicate orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention; the orientation words "inside" and "outside" refer to the inside and outside relative to the contours of the components themselves. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features.

[0045] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used herein to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" may include both "above" and "below". The device may also be positioned in other different ways, rotated 90 degrees or in other orientations, and the spatially relative descriptions used herein are interpreted accordingly.

[0046] The above description is only a preferred embodiment of the present application and an explanation of the technical principles used. Those skilled in the art should understand that the scope of the invention involved in the present application is not limited to the technical solution formed by a specific combination of the above technical features, but should also cover other technical solutions formed by any combination of the above technical features or their equivalent features without departing from the inventive concept. For example, the above features are replaced with (but not limited to) technical features with similar functions disclosed in the present application.

Claims

1. An online detection device for moisture permeability of coated fabrics, comprising a water tank (4) and a coated fabric transport rack (6), characterized in that: A coated fabric drying device (2) is installed on the left surface of the coated fabric transport rack (6), a coated fabric winding device (3) is installed on the right surface of the coated fabric transport rack (6), an electromagnetic valve (5) is installed on the bottom surface of the water cylinder (4), a fabric cutting device (1) is installed on the upper end of the water cylinder (4), a moisture permeability detection device (7) is installed on the upper end of the water cylinder (4), and the coated fabric transport rack (6) is installed on the upper end of the water cylinder (4); The fabric cutting device (1) comprises a connecting metal plate (11), an electric push rod (12), a T-shaped connecting plate (13), a limiting plug (14) and a fixing device (15), wherein the connecting metal plate (11) is located at the upper end of the fabric cutting device (1), the connecting metal plate (11) is mounted on the top surface of the electric push rod (12), the T-shaped connecting plate (13) is arranged at the lower end of the electric push rod (12), the T-shaped connecting plate (13) is threadedly connected to the upper end of the fixing device (15), and the limiting plug (14) is threadedly connected to the right end of the connecting metal plate (11); The fixing device (15) comprises a lower metal shell (151), a fabric latch (152), a cutting assembly (153), an adjusting assembly (154) and an upper metal shell (155); the upper metal shell (155) is located at the upper end of the fixing device (15); the upper metal shell (155) is threadedly connected to the top end surface of the lower metal shell (151); the fabric latch (152) is fixedly connected to the bottom end surface of the lower metal shell (151); the cutting assembly (153) is installed at the rear end of the lower metal shell (151); and the adjusting assembly (154) is arranged on the inner wall surface of the upper metal shell (155).

2. The on-line detection device for moisture permeability of coated fabrics according to claim 1, characterized in that: The cutting assembly (153) comprises a connecting frame (1531), a coil spring (1532), a fabric cutting blade (1533) and a threaded adjustment sleeve (1534); the fabric cutting blade (1533) is located at the lower end of the cutting assembly (153); the fabric cutting blade (1533) is plugged into the lower end of the connecting frame (1531); the threaded adjustment sleeve (1534) is movably connected to the lower end surface of the connecting frame (1531); and the coil spring (1532) is fixedly connected to the top end surface of the threaded adjustment sleeve (1534).

3. The on-line detection device for moisture permeability of coated fabrics according to claim 2, characterized in that: The moisture permeability detection device (7) comprises a coated fabric bearing plate (71), a connecting rod (72), an experimental cup assembly (73) and a limiting assembly (74); the coated fabric bearing plate (71) is located at the lower end of the moisture permeability detection device (7); the coated fabric bearing plate (71) is arranged on the bottom surface of the experimental cup assembly (73); the coated fabric bearing plate (71) is threadedly connected to the lower end of the connecting rod (72); and the limiting assembly (74) is arranged at the upper end of the connecting rod (72).

4. The on-line detection device for moisture permeability of coated fabrics according to claim 3, characterized in that: The limiting assembly (74) comprises a metal plate (741), a sliding connection block (742), a metal slide bar (743) and a metal plug block (744); the metal plug block (744) is located at the right end of the limiting assembly (74); the metal plug block (744) is movably connected to the lower end of the sliding connection block (742); the sliding connection block (742) is threadedly connected to the middle position of the metal plate (741); and the metal plug block (744) is movably connected to the right end of the metal slide bar (743).

5. The on-line detection device for moisture permeability of coated fabrics according to claim 4, characterized in that: The threaded adjustment sleeve (1534) is movably connected to the rear end of the lower metal shell (151), the threaded adjustment sleeve (1534) is movably connected to the rear end of the upper metal shell (155), the fabric cutting blade (1533) is movably connected to the inner wall surface of the lower end of the threaded adjustment sleeve (1534), and the threaded adjustment sleeve (1534) is threadedly connected to the rear end of the adjustment component (154).

6. The on-line detection device for moisture permeability of coated fabrics according to claim 5, characterized in that: The lower metal shell (151) is movably connected to the top surface of the coated fabric carrier plate (71), and the fabric latch (152) is movably connected to the right end of the coated fabric carrier plate (71).

7. The on-line detection device for moisture permeability of coated fabrics according to claim 6, characterized in that: The limiting plug block (14) is installed at the upper end of the water cylinder (4), the limiting plug block (14) is threadedly connected to the right end of the metal slide rod (743), and the connecting metal plate (11) is movably connected to the top surface of the metal plate (741).

8. The on-line detection device for moisture permeability of coated fabrics according to claim 7, characterized in that: The T-shaped connecting plate (13) is threadedly connected to the upper end of the upper metal shell (155), and the limiting plug block (14) is threadedly connected to the right end of the connecting metal plate (11).

9. The on-line detection device for moisture permeability of coated fabrics according to claim 8, characterized in that: The connecting rod (72) is movably connected to the front end of the metal plate (741), and the metal plate (741) is movably connected to the top surface of the water tank (4).

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