Equipment for detecting aging degree of acid and alkali resistant membrane

Abstract

The invention discloses acid and alkali resistant membrane aging degree detection equipment, and relates to the technical field of acid and alkali resistant membrane aging detection.The acid and alkali resistant membrane aging degree detection equipment comprises a detection box, a hollowed-out frame is installed in the detection box, two sliding blocks are symmetrically installed on the hollowed-out frame, and a pressing assembly is rotatably installed on the two sliding blocks; a sliding rail is installed at the top of the detection box, a moving block is installed on the sliding rail in a sliding mode, a telescopic rod is installed on the moving block, a circle center camera is installed at the tail end of the telescopic rod, and a sound wave detector and a resistance testing box are installed on the hollow frame. Surface image information acquisition, internal defect detection and surface resistance test of the acid and alkali resistant membrane are performed through the circle center camera, the sound wave detector and the resistance test box in sequence, so that nondestructive detection of the acid and alkali resistant membrane is realized, and material waste caused by destructive detection is avoided.

Description

Technical Field

[0001] This invention relates to the field of acid and alkali resistant membrane aging testing technology, specifically to a device for testing the degree of aging of acid and alkali resistant membranes. Background Technology

[0002] Acid and alkali resistant membranes are functional membrane materials with special chemical stability. Their core function is to isolate, seal, filter, or control fluids in environments containing corrosive media such as acids and alkalis. At the same time, they can withstand chemical corrosion, ensuring the stable operation of equipment or systems. Acid and alkali resistant membrane aging detection equipment provides data support for membrane replacement cycle determination and material improvement through systematic performance testing, thereby effectively reducing equipment operation risks and improving the safety and economy of industrial production.

[0003] Existing acid and alkali resistant membrane testing equipment mostly uses invasive methods to detect aging, which cannot avoid material waste caused by destructive testing. Summary of the Invention

[0004] The purpose of this invention is to provide an acid and alkali resistant membrane aging detection device to solve the problems raised in the prior art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: The acid and alkali resistant membrane aging degree testing equipment includes a testing chamber, inside which a hollow frame is installed. Two sliders are symmetrically installed on the hollow frame, and a pressure assembly is rotatably installed on the two sliders. A sliding rail is installed on the top of the testing chamber, and a moving block is slidably installed on the sliding rail. A telescopic rod is installed on the moving block, and a center camera is installed at the end of the telescopic rod. An acoustic detector and a resistance testing chamber are installed on the hollow frame. A testing port is opened on the side wall of the testing chamber, and a discharge port is opened on the side wall of the testing chamber away from the testing port. A sliding plate is installed in the discharge port. When the cleaned acid and alkali resistant membrane is placed into the pressure assembly... After the component is clamped, the moving block moves the central camera directly above the acid-alkali resistant diaphragm. At this time, the telescopic rod moves the central camera closer to the acid-alkali resistant diaphragm. When a suitable distance is reached, the telescopic rod stops, and the central camera begins to acquire images of the surface of the acid-alkali resistant diaphragm. After the image information on the front side is acquired, the clamping component flips to the other side to continue acquiring information. After the surface information is acquired, the slider moves the clamping component to the acoustic wave detector to begin detecting defects inside the acid-alkali resistant diaphragm. After the acoustic wave detection is completed, the slider moves the clamping component into the resistance test chamber to perform surface resistance testing, thereby achieving non-destructive testing of the acid-alkali resistant diaphragm and avoiding material waste caused by destructive testing.

[0006] As a preferred technical solution, the pressing assembly includes a transparent base plate, a servo motor, a connecting rod, a rotating arm, a transparent cover plate, a circular magnet, and a storage slot; The transparent base plate is rotatably mounted on two sliders. A servo motor is installed on the transparent base plate, and a storage slot is formed on the transparent base plate. A connecting rod is rotatably mounted on the transparent base plate, with one end of the connecting rod connected to the output shaft of the servo motor. Two rotating arms are symmetrically mounted on the connecting rod, and transparent cover plates are rotatably mounted on the two rotating arms. The transparent cover plates are the same size as the storage slots. Four circular magnets are installed on the transparent cover plates, and a magnetic plate is installed at the bottom of the hollow frame. When the acid and alkali resistant film is placed on the transparent base plate, the servo motor drives the transparent cover plates on the rotating arms to rotate through the connecting rod. The repulsive force between the circular magnets and the magnetic plate keeps the transparent cover plates horizontal as they rotate with the rotating arms, thereby pressing the acid and alkali resistant film between the transparent cover plates and the transparent base plate. Under a certain pressure, the surface area of ​​the acid and alkali resistant film increases, making it easier for the circular camera to acquire images.

[0007] As a preferred technical solution, the distance between the connecting rod and the rotation center of the transparent base plate is equal to the length of the rotating arm, and the four circular magnets are distributed at the four corners of the transparent cover plate, and the magnetic repulsion between the circular magnets and the magnetic plate.

[0008] As a preferred technical solution, the testing box is also equipped with a cleaning component and a clamping component. The acid and alkali resistant membrane in service is removed and placed into the cleaning component to remove impurities attached to the surface of the acid and alkali resistant membrane. Then, the acid and alkali resistant membrane is clamped to the pressing component by the clamping component.

[0009] As a preferred technical solution, the cleaning assembly includes a protective shell, a material inlet, an annular cover, a cleaning bucket, a first circular hole, a second circular hole, a turntable, a contact ring, a rotating shaft, a collar, a hollow shaft, a centrifugal disc, a slide groove, a slide rod, a mass block, a buffer spring, a connecting rod, a return spring, a driving bevel gear, a driven bevel gear, a first drive motor, a filter water tank, a water outlet pipe, a water inlet pipe, and a water return pipe; The detection box has a protective shell installed on the side wall with the detection port. A material outlet is opened at the top of the protective shell. An annular cover is installed inside the protective shell, and a cleaning bucket is installed at the bottom of the annular cover. A hollow shaft is rotatably mounted inside the bottom of the protective shell. A driven bevel gear is installed at one end of the hollow shaft near the bottom, and a centrifugal disc is installed at one end of the hollow shaft near the top. Two sliding grooves are formed on the centrifugal disc, and a sliding rod is installed in each groove. A mass block is slidably mounted on each sliding rod, and a buffer spring is sleeved on each sliding rod. A first drive motor is installed inside the protective shell. A driven bevel gear is mounted on the output shaft of the first drive motor. The driving bevel gear meshes with the driven bevel gear. A rotating shaft is slidably mounted inside the hollow shaft. The rotating shaft is connected to the bottom of the hollow shaft via a return spring. The top of the rotating shaft penetrates the bottom of the cleaning bucket. A turntable is mounted on the top of the rotating shaft. A contact ring is rotatably mounted on the side wall of the turntable, and the contact ring slides against the inner wall of the cleaning bucket. A collar is mounted on the rotating shaft near the bottom of the cleaning bucket. A connecting rod is hinged to the collar, and the other end of the connecting rod is hinged to a mass block. A first circular hole and a second circular hole are symmetrically opened on the side wall of the cleaning bucket. The bottom output end of the cleaning bucket is connected to the first circular hole via a water outlet pipe. A filter water tank is installed inside the protective shell. The bottom input end of the cleaning bucket is connected to the output end of the filter water tank via a water inlet pipe. The top input end of the filter water tank is connected to the second circular hole via a water return pipe. When the acid and alkali resistant membrane is placed into the cleaning bucket, the first drive motor drives the centrifugal disc on the hollow shaft to rotate. The centrifugal force generated by the rotation of the centrifugal disc causes the mass block to slide away from the center on the slide rod. The mass block drives the rotating shaft to move downward synchronously during the rotation by moving the connecting rod downward. The rotating shaft drives the rotating disc and the contact... As the ring moves downward, it continuously compresses the chamber between the turntable and the bottom of the cleaning tank, allowing cleaning water to enter the chamber above the turntable through the outlet pipe. This cleaning water soaks the acid and alkali resistant membrane, and the rotation of the turntable causes the cleaning water to rinse the membrane, thus cleaning its surface. Once cleaning is complete, the first drive motor stops rotating, and the turntable returns to its original position under the combined action of the buffer spring and the reset spring. At this point, clean water is drawn from the filter tank into the chamber between the turntable and the bottom of the cleaning tank, while the cleaning water in the chamber above the turntable is squeezed into the filter tank for filtration.

[0010] As a preferred technical solution, the water outlet pipe, water inlet pipe, and water return pipe are all unidirectional pipes.

[0011] As a preferred technical solution, the cleaning assembly further includes a paddle, an arc-shaped inclined groove, a cover plate, a drive wheel, a pinion, a rotating rod, a rack, and a hydraulic push rod; A lever is rotatably mounted inside the annular cover. The lever has four arc-shaped inclined slots. Four cover plates are rotatably mounted on the top of the annular cover. Each of the four cover plates has a locking rod, which is correspondingly engaged within the arc-shaped inclined slots. A rotating rod is installed inside the annular cover. A drive wheel is mounted on the rotating rod. The bottom end of the rotating rod penetrates the bottom of the annular cover. A small gear is mounted on the protruding end of the rotating rod. A hydraulic push rod is installed inside the protective shell. A rack is mounted on the working rod of the hydraulic push rod. The rack and the small gear... The hydraulic push rod is connected to the bottom of the hollow shaft via a pipe. The hollow shaft is filled with hydraulic oil. When the acid and alkali resistant diaphragm is placed in the cleaning bucket, the hydraulic oil is pressed into the hydraulic push rod by the downward movement of the rotating shaft to provide driving force. The rack at the end of the hydraulic push rod drives the pinion to rotate, which in turn drives the drive wheel on the rotating rod to rotate. The drive wheel drives the paddle to rotate, and the paddle causes the four cover plates to close and block the material outlet, so that the cleaning water will not spill out during the cleaning process of the acid and alkali resistant diaphragm.

[0012] As a preferred technical solution, the clamping assembly includes a turntable, slide rail, storage plate, fixed shaft, circular plate, fixed bevel gear, sleeve, driving gear, driven gear, second drive motor, sliding sleeve, annular slide, revolving bevel gear, lever, rubber contact and negative pressure device; A turntable is mounted on the top of the protective shell. A slide rail is longitudinally mounted on the turntable. A shelf is slidably mounted on the slide rail. A fixed shaft is mounted on the bottom of the shelf. A circular plate is mounted at the end of the fixed shaft. A fixed bevel gear is mounted on the circular plate. A sleeve is rotatably mounted on the fixed shaft. A revolving bevel gear is rotatably mounted on the side wall at the end of the sleeve. A lever is eccentrically mounted on the revolving bevel gear. A sliding sleeve is slidably mounted on the sleeve. An annular slide rail is formed on the inner wall of the sliding sleeve. The lever is engaged in the annular slide rail. A driven gear is mounted on the top of the sleeve. A second drive motor is mounted on the top of the shelf. The output shaft of the second drive motor passes through the shelf. A driving gear is mounted on the output shaft of the second drive motor. The driving gear meshes with the driven gear. A negative pressure device is installed on the top of the placement plate. The negative pressure device is connected to the air hole on the top of the sliding sleeve through an air pipe. Multiple small holes are evenly opened at the bottom of the sliding sleeve. A rubber contact is installed at the bottom of the sliding sleeve. After the acid and alkali resistant membrane is cleaned, the turntable drives the placement plate on the slide rail to rotate to directly above the feed port. The slide rail then drives the placement plate to descend into the feed port. At this time, the second drive motor drives the sleeve to rotate. By driving the revolving bevel gear to rotate around the fixed bevel gear, the lever moves the sliding sleeve down along the fixed axis. When the sliding sleeve moves to the lowest end, the negative pressure device is activated, firmly adsorbing the acid and alkali resistant membrane. Then, the acid and alkali resistant membrane is placed on the transparent base plate through the turntable and slide rail.

[0013] As a preferred technical solution, the height of the slide rail is lower than the top of the discharge port.

[0014] Compared with the prior art, the beneficial effects of the present invention are: 1. This application uses a moving block to move a central camera directly above the acid-alkali resistant membrane. At this time, a telescopic rod moves the central camera closer to the acid-alkali resistant membrane, and the central camera begins to acquire images of the surface of the acid-alkali resistant membrane. After the surface information is acquired, an acoustic detector is used to detect defects inside the acid-alkali resistant membrane, and a resistance test chamber is used to test the surface resistance, thus achieving non-destructive testing of the acid-alkali resistant membrane. Through non-invasive means, efficient detection of aging degree is achieved, which is suitable for periodic monitoring of in-service membranes and avoids material waste caused by destructive testing.

[0015] 2. This application utilizes the centrifugal force generated by the rotation of the centrifugal disc to cause a mass block to slide away from the center on a sliding rod. The mass block drives the rotating shaft to move downwards synchronously during rotation by moving the connecting rod downwards. As the rotating shaft drives the turntable and contact ring downwards, it continuously compresses the chamber between the turntable and the bottom of the cleaning tank, allowing cleaning water to enter the chamber above the turntable through the outlet pipe. This cleaning water soaks the acid and alkali resistant membrane, and the rotation of the turntable further washes the acid and alkali resistant membrane with the cleaning water, thus achieving surface cleaning of the membrane. After cleaning is completed, the first drive motor stops rotating, and the turntable returns to its original position under the combined action of the buffer spring and the return spring. At this time, clean water is drawn from the filter water tank into the chamber between the turntable and the bottom of the cleaning tank, while the cleaning water in the chamber above the turntable is squeezed into the filter water tank for filtration.

[0016] 3. After the acid and alkali resistant membrane is cleaned, the turntable drives the placement plate on the slide rail to rotate to directly above the feed port. The slide rail then drives the placement plate to descend into the feed port. At this time, the second drive motor drives the sleeve to rotate, which in turn drives the revolving bevel gear to rotate around the fixed bevel gear, causing the lever to move the sliding sleeve down along the fixed axis. When the sliding sleeve moves to the lowest point, the negative pressure device is activated, firmly adsorbing the acid and alkali resistant membrane. Subsequently, the acid and alkali resistant membrane is placed on the transparent base plate through the turntable and slide rail, realizing the automatic clamping of the acid and alkali resistant membrane. Attached Figure Description

[0017] Figure 1 This is a first-view structural diagram of the main body of the present invention; Figure 2 This is a schematic diagram of the first cross-sectional structure of the main body of the present invention; Figure 3 This is a schematic diagram of a partial cross-sectional structure of the main body of the present invention; Figure 4 This is a schematic diagram of the first internal structure of the cleaning assembly of the present invention; Figure 5 This is a schematic diagram of the second internal structure of the cleaning assembly of the present invention; Figure 6 This is a cross-sectional view of the cleaning component of the present invention; Figure 7 This is a cross-sectional view of the clamping assembly of the present invention; Figure 8 for Figure 3 Enlarged structural diagram at point A; Figure 9 for Figure 6 Enlarged structural diagram at point B; Figure 10 for Figure 7 A magnified structural diagram at point C.

[0018] In the diagram: 1. Detection box; 101. Detection port; 102. Discharge port; 103. Sliding plate; 3. Hollow frame; 301. Slider; 4. Pressing assembly; 401. Transparent base plate; 402. Servo motor; 403. Connecting rod; 404. Rotary arm; 405. Transparent cover plate; 406. Circular magnet; 407. Storage slot; 5. Sliding track; 6. Telescopic rod; 7. Center camera; 8. Acoustic wave detector; 9. Resistance test box; 10. Magnetic plate; 11. Moving block; 20. Cleaning assembly; 201. Protective shell; 202. Feed port; 203. Annular cover; 204. Paddle; 205. Arc-shaped inclined groove; 206. Cover plate; 207. Drive wheel; 208. Pinion; 209. Rotating rod; 210. Rack; 211. Hydraulic push rod; 212. Cleaning bucket; 2121. First circular hole; 2122. Second circular hole; 213. Turntable; 214. Contact ring; 15. Rotating shaft; 216. Collar; 217. Hollow shaft; 218. Centrifugal disc; 219. Slide groove; 220. Slide rod; 221. Mass block; 222. Buffer spring; 223. Connecting rod; 224. Return spring; 225. Driving bevel gear; 226. Driven bevel gear; 227. First drive motor; 228. Filter water tank; 229. Water outlet pipe; 230. Water inlet pipe; 231. Water return pipe; 50. Clamping assembly; 501. Turntable; 502. Slide rail; 503. Shelf plate; 504. Fixed shaft; 5041. Circular plate; 5042. Fixed bevel gear; 505. Sleeve; 506. Driving gear; 507. Driven gear; 508. Second drive motor; 509. Sliding sleeve; 510. Annular slide rail; 511. Revolutionary bevel gear; 512. Lever; 513. Rubber contact; 514. Negative pressure device. Detailed Implementation

[0019] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0020] Example: Figures 1-3 As shown, this invention provides a technical solution for an acid and alkali resistant membrane aging degree testing device. The device includes a testing chamber 1, with a perforated frame 3 installed inside. Two sliders 301 are symmetrically mounted on the perforated frame 3, and a pressure assembly 4 is rotatably mounted on each slider 301. A sliding rail 5 is installed on the top of the testing chamber 1, with a moving block 11 slidably mounted on the sliding rail 5. A telescopic rod 6 is mounted on the moving block 11, and a center camera 7 is mounted at the end of the telescopic rod 6. An acoustic detector 8 and a resistance testing chamber 9 are mounted on the perforated frame 3. A testing port 101 is opened on the side wall of the testing chamber 1, and a discharge port 102 is opened on the side wall of the testing chamber 1 away from the testing port 101. A sliding plate 103 is installed inside the discharge port 102. When the cleaned acid and alkali resistant membrane... After the film is clamped on the mounting assembly 4, the moving block 11 moves the center camera 7 directly above the acid and alkali resistant film. At this time, the telescopic rod 6 moves the center camera 7 close to the acid and alkali resistant film. When the appropriate distance is reached, the telescopic rod 6 stops, and the center camera 7 begins to acquire images of the surface of the acid and alkali resistant film. After the image information on the front side is acquired, the mounting assembly 4 flips to the other side to continue acquiring information. After the surface information is acquired, the slider 301 moves the mounting assembly 4 to the acoustic detector 8 to begin detecting defects inside the acid and alkali resistant film. After the acoustic detection is completed, the slider 301 moves the mounting assembly 4 into the resistance test chamber 9 to perform surface resistance testing, thereby achieving non-destructive testing of the acid and alkali resistant film and avoiding material waste caused by destructive testing.

[0021] like Figure 1 , Figure 3 and Figure 8 As shown, the pressing assembly 4 includes a transparent base plate 401, a servo motor 402, a connecting rod 403, a rotating arm 404, a transparent cover plate 405, a circular magnet 406, and a storage slot 407. A transparent base plate 401 is rotatably mounted on two sliders 301. A servo motor 402 is mounted on the transparent base plate 401. A storage slot 407 is provided on the transparent base plate 401. A connecting rod 403 is rotatably mounted on the transparent base plate 401. One end of the connecting rod 403 is connected to the output shaft of the servo motor 402. Two rotating arms 404 are symmetrically mounted on the connecting rod 403. A transparent cover plate 405 is rotatably mounted on the two rotating arms 404, and the transparent cover plate 405 is the same size as the storage slot 407. Four circular magnets are installed on the transparent cover plate 405. Iron 406, a magnetic plate 10 is installed at the bottom of the hollow frame 3. When the acid and alkali resistant film is placed on the transparent base plate 401, the servo motor 402 drives the transparent cover plate 405 on the rotating arm 404 to rotate through the connecting rod 403. The repulsive force between the circular magnet 406 and the magnetic plate 10 keeps the transparent cover plate 405 horizontal as it rotates with the rotating arm 404, thereby pressing the acid and alkali resistant film between the transparent cover plate 405 and the transparent base plate 401. Under a certain pressure, the surface area of ​​the acid and alkali resistant film increases, making it easier for the circular camera 7 to collect images.

[0022] The distance between the connecting rod 403 and the rotation center of the transparent base plate 401 is equal to the length of the rotating arm 404. Four circular magnets 406 are distributed at the four corners of the transparent cover plate 405. The circular magnets 406 and the magnetic plates 10 repel each other.

[0023] The testing box 1 is also equipped with a cleaning component 20 and a clamping component 50. The acid and alkali resistant membrane in service is removed and placed into the cleaning component 20 to remove impurities attached to the surface of the acid and alkali resistant membrane. Then, the acid and alkali resistant membrane is clamped to the pressing component 4 by the clamping component 50.

[0024] like Figures 2-6 and Figure 10 As shown, the cleaning assembly 20 includes a protective shell 201, a feed port 202, an annular cover 203, a cleaning tank 212, a first circular hole 2121, a second circular hole 2122, a turntable 213, a contact ring 214, a rotating shaft 215, a collar 216, a hollow shaft 217, a centrifugal disc 218, a slide 219, a slide rod 220, a mass block 221, a buffer spring 222, a connecting rod 223, a return spring 224, a driving bevel gear 225, a driven bevel gear 226, a first drive motor 227, a filter water tank 228, a water outlet pipe 229, a water inlet pipe 230, and a water return pipe 231. The side wall of the testing box 1, which has a testing port 101, is fitted with a protective shell 201. A feed port 202 is located at the top of the protective shell 201. An annular cover 203 is installed inside the protective shell 201, and a cleaning bucket 212 is installed at the bottom of the annular cover 203. A hollow shaft 217 is rotatably mounted at the bottom of the protective shell 201. A driven bevel gear 226 is mounted at one end of the hollow shaft 217 near the bottom, and a centrifugal disc 218 is mounted at one end of the hollow shaft 217 near the top. Two sliding grooves 219 are formed on the centrifugal disc 218, and a sliding rod 220 is installed in each groove 219. A mass block 221 is slidably mounted on the sliding rod 220, and a buffer spring 222 is sleeved on the sliding rod 220. A first drive motor 227 is installed inside the protective shell 201. A driven bevel gear 226 is mounted on the output shaft 7. The driving bevel gear 225 meshes with the driven bevel gear 226. A rotating shaft 215 is slidably mounted inside the hollow shaft 217. The rotating shaft 215 is connected to the bottom of the hollow shaft 217 via a return spring 224. The top of the rotating shaft 215 passes through the bottom of the cleaning bucket 212. A turntable 213 is mounted on the top of the rotating shaft 215. A contact ring 214 is rotatably mounted on the side wall of the turntable 213, and the contact ring 214 slides against the inner wall of the cleaning bucket 212. A collar 216 is mounted on the rotating shaft 215 near the bottom of the cleaning bucket 212. A connecting rod 223 is hinged to the collar 216. The other end of the connecting rod 223 is hinged to the mass block 221. A first circular hole 2121 and a second circular hole 2122 are symmetrically opened on the side wall of the cleaning bucket 212. The bottom output end of the cleaning tank 212 is connected to the first circular hole 2121 via a water outlet pipe 229. A filter water tank 228 is installed inside the protective shell 201. The bottom input end of the cleaning tank 212 is connected to the output end of the filter water tank 228 via a water inlet pipe 230. The top input end of the filter water tank 228 is connected to the second circular hole 2122 via a water return pipe 231. When the acid and alkali resistant membrane is placed inside the cleaning tank 212, the first drive motor 227 drives the centrifugal disc 218 on the hollow shaft 217 to rotate. The centrifugal force generated by the rotation of the centrifugal disc 218 causes the mass block 221 to slide away from the center on the slide rod 220. The mass block 221 drives the rotating shaft 215 to move downward synchronously during the rotation by moving the connecting rod 223 downward. As the disc 213 and contact ring 214 move downwards, they continuously compress the chamber between the bottom of the disc 213 and the cleaning tank 212, allowing cleaning water to enter the chamber above the disc 213 through the outlet pipe 229. This cleaning water soaks the acid and alkali resistant membrane, and the disc 213 rotates to flush the membrane, thus cleaning its surface. After cleaning, the first drive motor 227 stops rotating, and the disc 213 returns to its original position under the combined action of the buffer spring 222 and the reset spring 224. At this time, clean water is drawn from the filter tank 228 into the chamber between the bottom of the disc 213 and the cleaning tank 212, while the clean water in the chamber above the disc 213 is squeezed into the filter tank 228 for filtration.

[0025] The outlet pipe 229, the inlet pipe 230, and the return pipe 231 are all unidirectional pipes.

[0026] The cleaning assembly 20 also includes a paddle 204, an arc-shaped inclined groove 205, a cover plate 206, a drive wheel 207, a pinion 208, a rotating rod 209, a rack 210, and a hydraulic push rod 211; A paddle 204 is rotatably mounted inside the annular cover 203. The paddle 204 has four arc-shaped inclined slots 205. Four cover plates 206 are rotatably mounted on the top of the annular cover 203. Each cover plate 206 has a locking rod, which engages with the corresponding arc-shaped inclined slots 205. A rotating rod 209 is installed inside the annular cover 203. A drive wheel 207 is mounted on the rotating rod 209. The bottom end of the rotating rod 209 penetrates the bottom of the annular cover 203. A pinion 208 is mounted on the protruding end of the rotating rod 209. A hydraulic push rod 211 is installed inside the protective shell 201. A rack 210 is mounted on the working rod of the hydraulic push rod 211, and the rack 210 meshes with the pinion 208. The hydraulic push rod 211 is connected to the bottom of the hollow shaft 217 via a pipe. The hollow shaft 217 is filled with hydraulic oil. When the acid and alkali resistant diaphragm is placed in the cleaning tank 212, the hydraulic oil is pressed into the hydraulic push rod 211 by the downward movement of the rotating shaft 215 within the hollow shaft 217 to provide driving force. The rack 210 at the end of the hydraulic push rod 211 drives the pinion 208 to rotate, and the pinion 208 drives the drive wheel 207 on the rotating rod 209 to rotate. The drive wheel 207 drives the paddle 204 to rotate. Under the action of the paddle 204, the four cover plates 206 close together to block the feed port 202, so that the cleaning water will not spill out during the cleaning process of the acid and alkali resistant diaphragm.

[0027] like Figure 2 , Figure 7 and Figure 10 As shown, the clamping assembly 50 includes a turntable 501, a slide rail 502, a storage plate 503, a fixed shaft 504, a circular plate 5041, a fixed bevel gear 5042, a sleeve 505, a driving gear 506, a driven gear 507, a second drive motor 508, a sliding sleeve 509, an annular slide rail 510, a revolving bevel gear 511, a lever 512, a rubber contact 513, and a negative pressure device 514. A turntable 501 is mounted on the top of the protective shell 201. A slide rail 502 is mounted longitudinally on the turntable 501. A shelf 503 is slidably mounted on the slide rail 502. A fixed shaft 504 is mounted at the bottom of the shelf 503. A circular plate 5041 is mounted at the end of the fixed shaft 504. A fixed bevel gear 5042 is mounted on the circular plate 5041. A sleeve 505 is rotatably mounted on the fixed shaft 504. A revolution bevel gear 511 is rotatably mounted on the side wall at the end of the sleeve 505. A lever 512 is eccentrically mounted on the upper part of the sleeve 505. A sliding sleeve 509 is slidably mounted on the sleeve 505. An annular slide rail 510 is formed on the inner wall of the sliding sleeve 509. The lever 512 is locked in the annular slide rail 510. A driven gear 507 is mounted on the top of the sleeve 505. A second drive motor 508 is mounted on the top of the shelf 503. The output shaft of the second drive motor 508 passes through the shelf 503. A drive gear 506 is mounted on the output shaft of the second drive motor 508. Wheel 506 meshes with driven gear 507. A negative pressure device 514 is installed on the top of the shelf 503. The negative pressure device 514 is connected to the air hole on the top of the sliding sleeve 509 through an air pipe. Multiple small holes are evenly opened on the bottom of the sliding sleeve 509. A rubber contact 513 is installed on the bottom of the sliding sleeve 509. After the acid and alkali resistant diaphragm is cleaned, the turntable 501 drives the shelf 503 on the slide rail 502 to rotate to directly above the feed port 202. The slide rail 502 then drives the shelf 503 to rotate. When the material plate 503 descends into the feed port 202, the second drive motor 508 drives the sleeve 505 to rotate. This drives the revolving bevel gear 511 to rotate around the fixed bevel gear 5042, causing the lever 512 to move the sliding sleeve 509 down along the fixed axis 504. When the sliding sleeve 509 moves to the lowest end, the negative pressure device 514 is activated, firmly adsorbing the acid and alkali resistant film. Then, the acid and alkali resistant film is placed on the transparent base plate 401 through the turntable 501 and the slide rail 502.

[0028] The height of slide rail 502 is lower than the top of discharge port 102.

[0029] Working principle of the invention: After the cleaned acid and alkali resistant membrane is clamped on the mounting assembly 4, the moving block 11 moves the center camera 7 directly above the membrane. At this time, the telescopic rod 6 moves the center camera 7 closer to the membrane. When the appropriate distance is reached, the telescopic rod 6 stops, and the center camera 7 begins to acquire images of the surface of the membrane. After the image information on the front side is acquired, the mounting assembly 4 flips to the other side to continue acquiring information. After the surface information is acquired, the slider 301 moves the mounting assembly 4 to the acoustic detector 8 to begin detecting defects inside the membrane. After the acoustic detection is completed, the slider 301 moves the mounting assembly 4 into the resistance test chamber 9 to perform surface resistance testing, thereby achieving non-destructive testing of the acid and alkali resistant membrane and avoiding material waste caused by destructive testing.

[0030] When the acid and alkali resistant membrane is placed on the transparent base plate 401, the servo motor 402 drives the transparent cover plate 405 on the rotating arm 404 to rotate via the connecting rod 403. The repulsive force between the circular magnet 406 and the magnetic plate 10 keeps the transparent cover plate 405 horizontal as it rotates with the rotating arm 404, thereby pressing the acid and alkali resistant membrane between the transparent cover plate 405 and the transparent base plate 401. Under a certain pressure, the surface area of ​​the acid and alkali resistant membrane increases, making it easier for the center camera 7 to acquire images.

[0031] After the acid and alkali resistant membrane is placed into the cleaning tub 212, the first drive motor 227 drives the centrifugal disc 218 on the hollow shaft 217 to rotate. The centrifugal force generated by the rotation of the centrifugal disc 218 causes the mass block 221 to slide away from the center on the slide rod 220. The mass block 221 drives the rotating shaft 215 to move down synchronously during the rotation by moving the connecting rod 223 down. As the rotating shaft 215 drives the turntable 213 and the contact ring 214 down, the chamber between the turntable 213 and the bottom of the cleaning tub 212 is continuously compressed, allowing cleaning water to enter the chamber above the turntable 213 through the water outlet pipe 229. The cleaning water soaks the acid and alkali resistant membrane, and the rotation of the turntable 213 causes the cleaning water to rinse the acid and alkali resistant membrane, thereby achieving surface cleaning of the acid and alkali resistant membrane. When cleaning is completed, the first drive motor 227 stops rotating, and the buffer spring 222... The turntable 213 is reset under the combined action of the return spring 224. At this time, clean water is drawn from the filter water tank 228 into the chamber between the bottom of the turntable 213 and the cleaning bucket 212. The clean water in the chamber above the turntable 213 is squeezed into the filter water tank 228 by the turntable 213 for filtration. When the acid and alkali resistant membrane is placed into the cleaning bucket 212, the hydraulic oil is pressed into the hydraulic push rod 211 by the downward movement of the rotating shaft 215 in the hollow shaft 217 to provide driving force. The rack 210 at the end of the hydraulic push rod 211 drives the pinion 208 to rotate, and the pinion 208 drives the drive wheel 207 on the rotating rod 209 to rotate. The drive wheel 207 drives the paddle 204 to rotate. Under the action of the paddle 204, the four cover plates 206 are closed to block the feed port 202, so that the clean water will not spill out during the cleaning process of the acid and alkali resistant membrane.

[0032] After the acid and alkali resistant membrane is cleaned, the turntable 501 drives the placement plate 503 on the slide rail 502 to rotate to directly above the feed port 202. The slide rail 502 then drives the placement plate 503 to descend into the feed port 202. At this time, the second drive motor 508 drives the sleeve 505 to rotate. By driving the revolving bevel gear 511 to rotate around the fixed bevel gear 5042, the lever 512 moves the sliding sleeve 509 down along the fixed axis 504. When the sliding sleeve 509 moves to the lowest end, the negative pressure device 514 is activated to firmly adsorb the acid and alkali resistant membrane. Then, the acid and alkali resistant membrane is placed on the transparent base plate 401 through the turntable 501 and the slide rail 502.

[0033] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the invention can be implemented in other specific forms without departing from its spirit or essential characteristics. Therefore, the embodiments should be considered in all respects as exemplary and non-limiting, and the scope of the invention is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within the present invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. An acid and alkali resistant membrane aging test device, characterized in that: The acid and alkali resistant membrane aging test equipment includes a test box (1), a hollow frame (3) is installed inside the test box (1), two sliders (301) are symmetrically installed on the hollow frame (3), a pressure assembly (4) is rotatably installed on the two sliders (301), a sliding rail (5) is installed on the top of the test box (1), a moving block (11) is slidably installed on the sliding rail (5), a telescopic rod (6) is installed on the moving block (11), a center camera (7) is installed at the end of the telescopic rod (6), an acoustic detector (8) and a resistance test box (9) are installed on the hollow frame (3), a test port (101) is opened on the side wall of the test box (1), a discharge port (102) is opened on the side wall of the test box (1) away from the test port (101), and a sliding plate (103) is installed inside the discharge port (102).

2. The acid and alkali resistant membrane aging test device according to claim 1, characterized in that: The press assembly (4) includes a transparent base plate (401), a servo motor (402), a connecting rod (403), a rotating arm (404), a transparent cover plate (405), a circular magnet (406), and a storage slot (407). The transparent base plate (401) is rotatably mounted on two sliders (301). A servo motor (402) is mounted on the transparent base plate (401). A storage slot (407) is opened on the transparent base plate (401). A connecting rod (403) is rotatably mounted on the transparent base plate (401). One end of the connecting rod (403) is connected to the output shaft of the servo motor (402). Two rotating arms (404) are symmetrically mounted on the connecting rod (403). A transparent cover plate (405) is rotatably mounted on the two rotating arms (404). The transparent cover plate (405) is the same size as the storage slot (407). Four circular magnets (406) are mounted on the transparent cover plate (405). A magnetic plate (10) is mounted on the bottom of the hollow frame (3).

3. The acid and alkali resistant membrane aging test device according to claim 2, characterized in that: The distance between the connecting rod (403) and the rotation center of the transparent base plate (401) is equal to the length of the rotating arm (404). The four circular magnets (406) are distributed at the four corners of the transparent cover plate (405). The circular magnets (406) and the magnetic plate (10) are magnetically repulsive.

4. The acid and alkali resistant membrane aging test device according to claim 3, characterized in that: The testing box (1) is also equipped with a cleaning component (20) and a clamping component (50). The acid and alkali resistant membrane in service is removed and placed into the cleaning component (20) to remove impurities attached to the surface of the acid and alkali resistant membrane. Then, the acid and alkali resistant membrane is clamped to the pressing component (4) by the clamping component (50).

5. The acid and alkali resistant membrane aging test device according to claim 4, characterized in that: The cleaning assembly (20) includes a protective shell (201), a feed port (202), an annular cover (203), a cleaning bucket (212), a first circular hole (2121), a second circular hole (2122), a turntable (213), a contact ring (214), a rotating shaft (215), a collar (216), a hollow shaft (217), a centrifugal disc (218), a slide groove (219), a slide rod (220), a mass block (221), a buffer spring (222), a connecting rod (223), a reset spring (224), a driving bevel gear (225), a driven bevel gear (226), a first drive motor (227), a filter water tank (228), a water outlet pipe (229), a water inlet pipe (230), and a water return pipe (231). The detection box (1) has a protective shell (201) installed on the side wall with a detection port (101). The top of the protective shell (201) has a material outlet (202). An annular cover (203) is installed inside the protective shell (201). A cleaning bucket (212) is installed at the bottom of the annular cover (203). A hollow shaft (217) is rotatably installed at the bottom of the protective shell (201). A driven bevel gear (226) is installed at one end of the hollow shaft (217) near the bottom. A centrifugal disc (218) is installed at one end of the hollow shaft (217) near the top. Two sliding grooves (219) are provided on the disc (218), and a sliding rod (220) is installed in each of the two sliding grooves (219). A mass block (221) is slidably installed on the sliding rod (220), and a buffer spring (222) is sleeved on the sliding rod (220). A first drive motor (227) is installed in the protective shell (201). A driven bevel gear (226) is installed on the output shaft of the first drive motor (227). The driving bevel gear (225) meshes with the driven bevel gear (226). A rotating shaft (215) is slidably installed in the hollow shaft (217). The rotating shaft (215) is connected to the bottom of the hollow shaft (217) by a return spring (224). The top of the rotating shaft (215) passes through the bottom of the cleaning bucket (212). A turntable (213) is installed on the top of the rotating shaft (215). A contact ring (214) is rotatably installed on the side wall of the turntable (213), and the contact ring (214) slides against the inner wall of the cleaning bucket (212). A collar (216) is installed on the rotating shaft (215) near the bottom of the cleaning bucket (212). A connecting rod (223) is hinged to the collar (216). The other end of the connecting rod (223) Hinged to the mass block (221), the cleaning bucket (212) has a first round hole (2121) and a second round hole (2122) symmetrically opened on its side wall. The bottom output end of the cleaning bucket (212) is connected to the first round hole (2121) through a water outlet pipe (229). A filter water tank (228) is installed inside the protective shell (201). The bottom input end of the cleaning bucket (212) is connected to the output end of the filter water tank (228) through a water inlet pipe (230). The top input end of the filter water tank (228) is connected to the second round hole (2122) through a water return pipe (231).

6. The acid and alkali resistant membrane aging test device according to claim 5, characterized in that: The outlet pipe (229), inlet pipe (230) and return pipe (231) are all unidirectional pipes.

7. The acid and alkali resistant membrane aging test device according to claim 6, characterized in that: The cleaning assembly (20) also includes a paddle (204), an arc-shaped inclined groove (205), a cover plate (206), a drive wheel (207), a pinion (208), a rotating rod (209), a rack (210), and a hydraulic push rod (211). A lever (204) is rotatably installed inside the annular cover (203). Four arc-shaped inclined slots (205) are provided on the lever (204). Four cover plates (206) are rotatably installed on the top of the annular cover (203). Each of the four cover plates (206) is equipped with a locking rod, which is correspondingly engaged within the arc-shaped inclined slots (205). A rotating rod (209) is installed inside the annular cover (203). A drive wheel (207) is installed on the rotating rod (209). The bottom end of the rotating rod (209) penetrates the bottom of the annular cover (203). A small gear (208) is installed at the protruding end of the rotating rod (209). A hydraulic push rod (211) is installed inside the protective shell (201). A rack (210) is installed on the working rod of the hydraulic push rod (211). The rack (210) meshes with the small gear (208). The hydraulic push rod (211) is connected to the bottom of the hollow shaft (217) through a pipe. The hollow shaft (217) is filled with hydraulic oil.

8. The acid and alkali resistant membrane aging test device according to claim 7, characterized in that: The clamping assembly (50) includes a turntable (501), a slide rail (502), a storage plate (503), a fixed shaft (504), a circular plate (5041), a fixed bevel gear (5042), a sleeve (505), a driving gear (506), a driven gear (507), a second drive motor (508), a sliding sleeve (509), an annular slide rail (510), a revolving bevel gear (511), a lever (512), a rubber contact (513), and a negative pressure device (514). A turntable (501) is mounted on the top of the protective shell (201). A slide rail (502) is mounted longitudinally on the turntable (501). A shelf (503) is slidably mounted on the slide rail (502). A fixed shaft (504) is mounted on the bottom of the shelf (503). A circular plate (5041) is mounted at the end of the fixed shaft (504). A fixed bevel gear (5042) is mounted on the circular plate (5041). A sleeve (505) is rotatably mounted on the fixed shaft (504). A revolving bevel gear (511) is rotatably mounted on the side wall at the end of the sleeve (505). A lever (512) is eccentrically mounted on the revolving bevel gear (511). A sliding sleeve (509) is slidably mounted on the sleeve (505). An annular slide rail is provided on the inner wall of the sliding sleeve (509). (510), the lever (512) is locked in the annular slide (510), the sleeve (505) is equipped with a driven gear (507) at the top, the shelf (503) is equipped with a second drive motor (508) at the top, the output shaft of the second drive motor (508) passes through the shelf (503), the output shaft of the second drive motor (508) is equipped with a drive gear (506), the drive gear (506) meshes with the driven gear (507), the shelf (503) is equipped with a negative pressure device (514) at the top, the negative pressure device (514) is connected to the air hole at the top of the sliding sleeve (509) through an air pipe, the bottom of the sliding sleeve (509) is evenly provided with multiple small holes, and the bottom of the sliding sleeve (509) is equipped with a rubber contact (513).

9. The acid and alkali resistant membrane aging test device according to claim 8, characterized in that: The height of the slide rail (502) is lower than the top of the discharge port (102).

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