A kind of new material modified PVC pipe processing is with damp heat aging rapid detection device

Abstract

This invention discloses a rapid detection device for damp heat aging in the processing of modified PVC pipes, belonging to the field of new material testing technology. It includes an insulation shell and a control component. The insulation shell has an insulation partition inside and an insulation cover on top. An insulation cylinder is connected to the bottom of the insulation shell. The control component is located inside the insulation shell and includes an active motor. The active motor is located in the middle of the insulation shell, and its output end is connected to a drive gear. This invention utilizes multiple independent chambers separated by insulation partitions to simultaneously conduct aging tests on multiple sets of samples under different temperature and humidity conditions, significantly improving the efficiency of centralized testing of large batches of samples and facilitating horizontal comparison and analysis of data. The drive mechanism drives the sample to rotate at a uniform speed, while simultaneously automatically forming an internal circulating airflow, ensuring that the sample is uniformly heated and humidified from all directions, effectively avoiding local environmental differences.

Description

Technical Field

[0001] This invention relates to the field of new material testing technology, specifically to a rapid wet heat aging testing device for processing modified PVC pipes. Background Technology

[0002] New material modified PVC pipe refers to high-performance plastic pipes that optimize and improve the performance of traditional PVC pipes by adding specific functional additives to polyvinyl chloride resin or by using advanced processes such as blending and cross-linking. Common types include PVC-M (impact-modified PVC pipe) and PVC-O (oriented PVC pipe). Damp heat aging test is an accelerated aging test that simulates the long-term use of materials under high temperature and high humidity conditions.

[0003] Currently, when conducting damp heat aging performance tests on new material modified PVC pipes, it is not possible to flexibly set up temperature and humidity test environments with different parameters. It is not possible to conduct multi-group differentiated temperature and humidity tests simultaneously, and the operation of changing test environments is also quite cumbersome. The above problems not only increase the overall test time and reduce the testing efficiency, but also hinder the centralized testing of large batches of samples and the horizontal comparative analysis of test data. Summary of the Invention

[0004] The purpose of this invention is to provide a rapid detection device for damp heat aging in the processing of modified PVC pipes, so as to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a rapid detection device for damp heat aging in the processing of modified PVC pipes, comprising an insulation shell and a control component. An insulation partition is disposed inside the insulation shell, and an insulation cover is provided on the top of the insulation shell. An insulation cylinder is connected to the bottom of the insulation shell. The control component is disposed inside the insulation shell and includes an active motor. The active motor is disposed in the middle of the insulation shell, and an active gear is connected to the output end of the active motor. A double gear ring meshes with one side of the active gear, and a double gear shaft meshes with the bottom of the double gear ring. One end of the double gear shaft meshes with… The device comprises a driven gear ring, with a platform fixedly connected to the top of the driven gear ring. A support sleeve is rotatably connected to the outer side of the platform, and an impeller is installed inside the platform. A stirring rod is slidably connected inside the impeller. A flow divider is fixedly connected to the bottom of the insulation cover plate. A first electric heating plate is installed at the bottom of the insulation cylinder, and a temperature sensor is installed at the lower part of the insulation cylinder. An ultrasonic atomizer is fixedly connected inside the insulation cylinder. A temperature and humidity sensor is installed at the upper part of the insulation shell. A second electric heating plate is fixedly connected to the outer side of the insulation partition plate. A positioning component is connected to the top of the platform, and a detection component is installed on the outer side of the insulation shell.

[0006] Furthermore, both the double gear ring and the double gear shaft are rotatably connected to the insulation partition, and the insulation partition is fixedly connected to the support sleeve.

[0007] Furthermore, there are six dual-gear shafts, which are arranged in a circumferential array along the bottom of the double gear ring.

[0008] Furthermore, the upper part of the stirring rod is prismatic, and the stirring rod, the platform, and the flow divider are coaxially arranged.

[0009] Furthermore, the positioning component includes a worm gear, which is rotatably connected to the middle of the insulation shell, and a worm wheel meshes with the outer side of the worm gear. A drive shaft is fixedly connected inside the worm wheel, and a slotted plate is fixedly connected to the outer side of the middle of the drive shaft. A sliding column is slidably connected inside the slotted plate, and a limit sleeve is installed at one end of the sliding column. The limit sleeve is rotatably connected to the stirring rod, and a connecting rod is rotatably connected to the top of the stirring rod. A sliding seat is rotatably connected to the top of the connecting rod, and an anti-slip clamp is fixedly connected to the top of the sliding seat.

[0010] Furthermore, the slide block is slidably connected to the platform, and the slide blocks are arranged in a circumferential array about the top of the platform.

[0011] Furthermore, the drive shaft is rotatably connected to the insulation partition, and there are six drive shafts.

[0012] Furthermore, the detection component includes an electric cylinder, which is rotatably connected to the outer side of the insulation shell. One end of the electric cylinder is rotatably connected to a drive ring. The bottom of the drive ring has a guide groove, and a drive column is slidably connected inside the guide groove. A slide rod is fixedly connected to the bottom of the drive column, and a protective shell is placed at one end of the slide rod. A damper is fixedly connected inside the protective shell, and a pin seat is fixedly connected to one end of the damper. Constant force springs are connected to the upper and lower ends of the pin seat, and a first rack is fixedly connected to one side of the pin seat. A rotating toothed plate meshes with the top of the first rack, and a second rack meshes with the top of the rotating toothed plate. A slider is fixedly connected to the top of the second rack, and an infrared displacement sensor is fixedly connected inside the protective shell.

[0013] Furthermore, the drive ring is rotatably connected to the insulation shell, and the insulation shell is slidably connected to the slide rod.

[0014] Furthermore, both the ejector pin seat and the slider are slidably connected to the protective shell, and the protective shell is rotatably connected to the constant force spring and the rotating toothed plate, respectively.

[0015] This invention provides a novel rapid detection device for damp heat aging in the processing of modified PVC pipes, which has the following beneficial effects: 1. This invention utilizes multiple independent chambers separated by thermal insulation partitions to simultaneously conduct aging tests on multiple groups of samples under different temperature and humidity conditions, significantly improving the efficiency of centralized testing of large batches of samples and facilitating horizontal comparison and analysis of data. The drive mechanism drives the sample to rotate at a uniform speed, while automatically forming an internal circulating airflow, ensuring that the sample is heated and humidified uniformly from all directions, effectively avoiding local environmental differences. Moreover, the integrated stirring structure eliminates the need for an additional drive source, ensuring uniform heating of the water source to be atomized. This simplifies the equipment structure and reduces costs while improving testing accuracy and reliability.

[0016] 2. This invention can complete the centering and clamping of all samples in one go through a single drive, abandoning the traditional mode of clamping one by one, simplifying the operation process. At the same time, the mechanism has mechanical self-locking characteristics, which can effectively resist the vibration when the platform rotates and prevent the samples from loosening. In addition, the clamping mechanism and the rotation drive structure do not interfere with each other, ensuring the firmness of the clamping and the smooth and reliable operation of the equipment, laying a solid foundation for obtaining accurate test data.

[0017] 3. This invention can simultaneously apply a constant testing pressure to all PVC pipes under test, and amplify the minute insertion displacement through an amplification structure, making it easier for the sensor to accurately capture the displacement. This allows for a direct reflection of the degradation of mechanical properties after material aging. At the same time, the testing points can be easily switched to avoid concentrated damage to the same location on the sample, ensuring the comprehensiveness and objectivity of the test results. Furthermore, the constant force output mechanism combined with damping design ensures the stability and consistency of the test load, significantly improving the stability, accuracy, and reliability of the test data. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of a rapid detection device for damp heat aging in the processing of a new type of modified PVC pipe according to the present invention. Figure 2 This is a schematic diagram of the internal structure of the insulation shell of a rapid detection device for damp heat aging in the processing of modified PVC pipes according to the present invention. Figure 3 This is a bottom view schematic diagram of the control component of a rapid detection device for damp heat aging in the processing of a new material modified PVC pipe according to the present invention. Figure 4 This is a schematic diagram of the insulation cover plate structure of a novel wet heat aging rapid detection device for processing modified PVC pipes according to the present invention. Figure 5 This is a schematic diagram of the positioning component structure of a rapid detection device for damp heat aging in the processing of a new type of modified PVC pipe according to the present invention. Figure 6 This is a schematic diagram of the positioning component of a rapid detection device for damp heat aging in the processing of a new type of modified PVC pipe according to the present invention. Figure 7 This is a bottom view of the drive ring structure of a rapid detection device for damp heat aging in the processing of a new type of modified PVC pipe according to the present invention. Figure 8 This is a schematic diagram of the internal structure of the protective shell of a rapid detection device for damp heat aging in the processing of a new type of modified PVC pipe according to the present invention.

[0019] In the diagram: 1. Insulation shell; 2. Insulation partition; 3. Insulation cover; 4. Insulation cylinder; 5. Control assembly; 501. Active motor; 502. Active gear; 503. Double gear ring; 504. Double gear shaft; 505. Driven gear ring; 506. Platform; 507. Support sleeve; 508. Impeller; 509. Stirring rod; 510. Diverter block; 511. First heating plate; 512. Temperature sensor; 513. Ultrasonic atomizer; 514. Temperature and humidity sensor; 515. Second heating plate; 6. Positioning assembly; 601. Worm gear; 602. Worm gear; 603. Drive shaft; 604. Grooved plate; 605. Sliding column; 606. Limiting sleeve; 607. Connecting rod; 608. Slide block; 609. Anti-slip clamp; 7. Detection assembly; 701. Electric cylinder; 702. Drive ring; 703. Guide groove; 704. Drive column; 705. Sliding rod; 706. Protective shell; 707. Damper; 708. Ejector pin seat; 709. Constant force spring; 710. First rack; 711. Rotating gear plate; 712. Second rack; 713. Slider; 714. Infrared displacement sensor. Detailed Implementation

[0020] Please see Figures 1 to 5This invention provides a technical solution: a rapid detection device for damp heat aging in the processing of modified PVC pipes, comprising an insulation shell 1 and a control component 5. An insulation partition 2 is installed inside the insulation shell 1, and an insulation cover 3 is provided on the top of the insulation shell 1. An insulation cylinder 4 is connected to the bottom of the insulation shell 1. The control component 5 is located inside the insulation shell 1 and includes an active motor 501. The active motor 501 is located in the middle of the insulation shell 1, and an active gear 502 is connected to the output end of the active motor 501. A double gear ring 503 meshes on one side of the active gear 502, and a double gear shaft 504 meshes at the bottom of the double gear ring 503. Six double gear shafts 504 are provided, and the double gear shafts 504 are arranged in a circumferential array along the bottom of the double gear ring 503. A driven gear ring 505 meshes at one end of each double gear shaft 504, and a platform 506 is fixedly connected to the top of the driven gear ring 505. A support sleeve 507 is rotatably connected to the outer side of the platform 506, and an impeller 508 is installed inside the platform 506. The double gear ring 503 and the double gear shaft 504 are rotatably connected to the insulation partition 2, and the insulation partition 2 is fixedly connected to the support sleeve 507. A stirring rod 509 is slidably connected inside the impeller 508. A flow divider block 510 is fixedly connected to the bottom of the insulation cover plate 3. The upper part of the stirring rod 509 is prismatic, and the stirring rod 509, platform 506, and... The diverter block 510 is coaxially arranged, the bottom of the insulation cylinder 4 is equipped with a first heating plate 511, and the lower part of the insulation cylinder 4 is equipped with a temperature sensor 512. An ultrasonic atomizer 513 is fixedly connected inside the insulation cylinder 4, the upper part of the insulation shell 1 is equipped with a temperature and humidity sensor 514, the outer side of the insulation partition 2 is fixedly connected with a second heating plate 515, the top of the stage 506 is connected with a positioning component 6, and the outer side of the insulation shell 1 is equipped with a detection component 7. The specific operation is as follows: the insulation partition 2 can divide the interior of the insulation shell 1 into six independent testing chambers. Operators can set differentiated temperature and humidity parameters in different chambers, enabling simultaneous completion of damp heat aging tests on multiple sets of modified PVC pipe samples. This significantly improves overall testing efficiency, adapts to scenarios involving concentrated testing of large batches of samples, and allows for intuitive horizontal comparison and analysis of multiple sets of test data. During the testing process, the active motor 501 drives the synchronous rotation of each set of double gear shafts 504 through the linkage of the active gear 502 and the double gear ring 503. The driven gear ring 505 then drives the sample on the stage 506 to rotate at a uniform speed, ensuring that the outer side of the sample is uniformly heated and humidified, effectively avoiding data deviations caused by local environmental differences and significantly improving the accuracy and reliability of the test results. Simultaneously, the stage 506 rotates, driving the impeller 508 to rotate. The impeller 508 pushes the airflow upwards, which is then evenly guided by the diverter block 510 and dispersed outwards before flowing downwards along the outer side of the sample. The recirculation process creates a circulating airflow, ensuring a uniform and consistent humid and thermal environment around the sample in each chamber. During this process, the second heating plate 515 provides a heat source for the testing chamber, and the ultrasonic atomizer 513 atomizes the water inside the insulation cylinder 4, allowing the water vapor to be transported upwards to the corresponding testing chamber. A closed-loop feedback control system is formed by the controller and the temperature and humidity sensor 514, which regulates and stabilizes the temperature and humidity parameters inside the chamber in real time. At the same time, the first heating plate 511 and the temperature sensor 512 also form an independent closed-loop control circuit with the controller, accurately controlling the water temperature inside the insulation cylinder 4, effectively suppressing temperature fluctuations after water atomization, and avoiding interference from environmental parameter anomalies with the test results. Moreover, when the impeller 508 rotates, it also drives the stirring rod 509 to rotate synchronously, continuously stirring the water inside the insulation cylinder 4 to ensure uniform heating of the water. This stirring structure works in conjunction with the existing transmission system, without the need for additional independent drive components, which simplifies the overall structure of the equipment and effectively reduces the production and use costs of the equipment.

[0021] Please see Figures 5 to 6 The positioning component 6 includes a worm gear 601. The worm gear 601 is rotatably connected to the middle of the insulation shell 1, and a worm wheel 602 is meshed on the outer side of the worm gear 601. A drive shaft 603 is fixedly connected inside the worm wheel 602, and a slotted plate 604 is fixedly connected to the outer side of the middle of the drive shaft 603. The drive shaft 603 is rotatably connected to the insulation partition 2, and there are six drive shafts 603. A sliding column 605 is slidably connected inside the slotted plate 604, and a limiting sleeve 606 is installed at one end of the sliding column 605. The limiting sleeve 606 is rotatably connected to the stirring rod 509, and a connecting rod 607 is rotatably connected to the top of the stirring rod 509. A sliding seat 608 is rotatably connected to the top of the connecting rod 607, and an anti-slip clamp 609 is fixedly connected to the top of the sliding seat 608. The sliding seat 608 is slidably connected to the platform 506, and the sliding seats 608 are arranged in a circumferential array about the top of the platform 506. The specific operation is as follows: When clamping the sample, first rotate the worm gear 601, which drives the transmission shaft 603 to rotate synchronously through the worm wheel 602. This drives the slotted plate 604 to swing downwards. During the movement of the slotted plate 604, the sliding column 605 pushes the limiting sleeve 606 downwards. Since the limiting sleeve 606 and the stirring rod 509 are rotately engaged and have no relative axial sliding, the limiting sleeve 606 can synchronously drive the stirring rod 509 downwards. Furthermore, the connecting rod 607 pulls the sliding block 608, allowing the platform 506 to... The slide block 608 provides reliable limiting and guiding, causing the anti-slip clamps 609 to converge towards the center. Multiple PVC pipe samples can then be placed on their respective slide blocks 608. Reverse rotation of the worm gear 601, via the worm wheel 602 and drive shaft 603, drives the slotted plate 604 to swing upwards, resetting it. This, in turn, via the sliding column 605 and limiting sleeve 606, drives the stirring rod 509 upwards. The connecting rod 607 then pushes the slide block 608, allowing the anti-slip clamps 609 to be tightened and fixed from the inside of the sample. The EPDM weather-resistant rubber pad on the side of 609 effectively increases the friction of the clamping contact surface, preventing the sample from loosening or shifting during operation and in humid and hot environments. It also buffers the clamping force. The rubber pad's aging-resistant and temperature- and humidity-resistant properties allow it to be used long-term under test conditions. This structure can complete the clamping and positioning of all samples at once, eliminating the traditional one-by-one clamping operation mode, greatly simplifying the work process and significantly improving the overall efficiency of sample clamping. Meanwhile, the worm gear 601 and worm wheel 602 have mechanical self-locking characteristics, effectively locking the adjustment position and preventing the clamping structure from loosening due to equipment vibration, airflow disturbances within the chamber, and other external factors. This further improves the stability of the clamped sample and the accuracy of the test data. When the control component 5 operates and drives the stirring rod 509 to rotate, the rotation of the stirring rod 509 will not interfere with the positioning component 6 due to the rotational connection structure between the stirring rod 509 and the limiting sleeve 606. This ensures that the two mechanisms operate independently and smoothly, making the entire equipment operate more smoothly and reliably.

[0022] Please see Figures 7 to 8The detection component 7 includes an electric cylinder 701. The electric cylinder 701 is rotatably connected to the outer side of the insulation shell 1, and a drive ring 702 is rotatably connected to one end of the electric cylinder 701. A guide groove 703 is provided at the bottom of the drive ring 702, and a drive column 704 is slidably connected inside the guide groove 703. A slide rod 705 is fixedly connected to the bottom of the drive column 704, and a protective shell 706 is installed at one end of the slide rod 705. The drive ring 702 is rotatably connected to the insulation shell 1, and the insulation shell 1 is slidably connected to the slide rod 705. A damper 707 is fixedly connected inside the protective shell 706, and one end of the damper 707 is fixed. A pin seat 708 is connected, and constant force springs 709 are connected to the upper and lower ends of the pin seat 708. A first rack 710 is fixedly connected to one side of the pin seat 708. A rotating toothed plate 711 is engaged at the top of the first rack 710, and a second rack 712 is engaged at the top of the rotating toothed plate 711. A slider 713 is fixedly connected to the top of the second rack 712. The pin seat 708 and the slider 713 are slidably connected to the protective shell 706. The protective shell 706 is rotatably connected to the constant force spring 709 and the rotating toothed plate 711 respectively. An infrared displacement sensor 714 is fixedly connected inside the protective shell 706. The specific operation is as follows: Before conducting the aging test, the operator can start the electric cylinder 701 through the controller. The electric cylinder 701 drives the drive ring 702 to rotate, and the guide groove 703 transmits driving force to the drive column 704. Due to the limiting effect of the insulation shell 1, the slide rod 705 can only slide in a predetermined direction, driving each group of protective shells 706 to converge and align towards the center synchronously. In this state, the constant force spring 709 continuously pulls the ejector pin seat 708, so that the outer convex ring of the middle part of the ejector pin is tightly attached to the inner wall of the protective shell 706. When the end of the ejector pin contacts the outer wall of the PVC pipe, the constant force spring 709 can apply force to the pipe through the ejector pin seat 708 and the ejector pin. With a constant detection pressure applied, the PVC pipe's structural strength is high in the initial stage of the test, preventing the ejector pin from penetrating the pipe. Due to the reaction force, the ejector pin retracts into the protective shell 706, simultaneously displacing the first rack 710. The first rack 710 pushes the lower end of the rotating toothed plate 711 to swing, causing the upper end of the rotating toothed plate 711 to pull the second rack 712 away from the infrared displacement sensor 714. The equipment uses the infrared displacement sensor 714 to collect the movement distance of the second rack 712 in real time. After recording the initial detection data, the detection component 7 can be controlled to reset and return to its original position. Once the PVC pipe has passed through… After a period of humid and hot aging, the testing component 7 is restarted to repeat the above testing process. Due to aging, the pipe's mechanical strength gradually decreases. Under the same constant pressure, the depth of the pin insertion will significantly increase. By comparing and analyzing the displacement data from the two sets before and after testing, the degree and rate of aging of the PVC pipe can be determined intuitively and quickly. During the test, staff can observe the working conditions in real time through the observation window on the outside of the insulation shell 1 and adjust the rotation angle of the stage 506 with the control component 5 to reasonably switch the testing points, avoiding repeated application of the pin to the same position on the pipe during multiple tests and preventing localized concentrated stress from affecting the test. The overall performance of the sample ensures uniform distribution of detection points, making the test results more comprehensive and objective. Furthermore, the stroke amplification structure composed of the first rack 710, the rotating toothed plate 711, and the second rack 712 can amplify the tiny insertion displacement of the ejector pin, making it easier for the infrared displacement sensor 714 to accurately capture minute deformations, effectively improving the overall detection accuracy and reducing system measurement errors. At the same time, the damper 707 can effectively counteract the jitter and vibration generated during the operation of the constant force spring 709, keeping the spring output pressure stable at all times, further ensuring the consistency of the detection load and improving the stability and reliability of the detection data.

[0023] In summary, this new rapid testing device for damp heat aging in the processing of modified PVC pipes is used as follows: First, open the insulation cover 3 to carry out the sample clamping operation. Rotate the worm gear 601 in the forward direction, which drives the transmission shaft 603 to rotate through the worm wheel 602. This drives the slotted plate 604 to swing downward. The slotted plate 604 pushes the limiting sleeve 606 to move downward through the sliding column 605. Since the limiting sleeve 606 and the stirring rod 509 are rotated and there is no relative sliding in the axial direction, the limiting sleeve 606 synchronously drives the stirring rod 509 to move downward. It also pulls the slide seat 608 through the connecting rod 607. Under the limiting and guiding action of the platform 506, each group of anti-slip clamps 609 gathers towards the center. At this time, place the PVC pipe sample one by one on the corresponding slide seat 608. Subsequently, the worm gear 601 is rotated in the reverse direction, which drives the slotted plate 604 to reset upward through the worm wheel 602 and the transmission shaft 603 in sequence. Then, the sliding column 605 and the limiting sleeve 606 drive the stirring rod 509 to move upward. The connecting rod 607 pushes the sliding seat 608, so that the anti-slip clamp 609 is tightened and fixed from the inside of the sample. The EPDM weather-resistant rubber pad on the side of the anti-slip clamp 609 can increase the clamping friction, prevent the sample from loosening and being squeezed and damaged, and is suitable for long-term damp heat test conditions. At this time, the worm gear 601 and the worm wheel 602 have self-locking characteristics, which can lock the clamping position and avoid the structure from loosening due to equipment vibration and airflow disturbance. At the same time, the stirring rod 509 and the limiting sleeve 606 adopt a rotating connection design. When the subsequent control component 5 drives the stirring rod 509 to rotate, it will not interfere with the positioning component 6, ensuring the stable operation of the equipment. Next, after installing the insulation cover plate 3, the electric cylinder 701 is started by the controller. The electric cylinder 701 drives the drive ring 702 to rotate, and the guide groove 703 transmits driving force to the drive column 704. Under the limiting action of the insulation shell 1, the slide rod 705 slides in the specified direction, driving each group of protective shells 706 to converge and align towards the center. The constant force spring 709 pulls the ejector pin seat 708, so that the ejector pin is in contact with the inner wall of the protective shell 706. After the ejector pin contacts the outer wall of the PVC pipe, the constant force spring 709 outputs a constant detection pressure through the ejector pin. Initially... When the tube is in a high strength state, the ejector pin retracts into the protective shell 706 under the reaction force, and drives the first rack 710 to move. The first rack 710 pushes the lower end of the rotating toothed plate 711 to swing, which drives the upper end of the rotating toothed plate 711 to pull the second rack 712 to move. The infrared displacement sensor 714 collects the moving distance of the second rack 712 in real time. After recording the initial data, the detection component 7 is reset. During the detection process, the damper 707 can counteract the vibration of the constant force spring 709 to ensure the stability of the pressure state. Then, the equipment is started to run the damp heat aging system. The insulation shell 1 is divided into six independent testing chambers by the insulation partition 2. Different temperature and humidity parameters are set for different chambers according to the test requirements. During operation, the second electric heating plate 515 provides a heat source for the testing chambers, and the ultrasonic atomizer 513 atomizes the water inside the insulation cylinder 4 and delivers it to the corresponding chamber. Together with the controller and temperature and humidity sensor 514, a closed-loop control system is formed to stabilize the temperature and humidity in the chamber in real time. The first electric heating plate 511 and the temperature sensor 512 also form an independent closed-loop circuit through the controller to accurately control the water temperature inside the insulation cylinder 4 and suppress the temperature fluctuation of the atomized water vapor. At the same time, the active motor 501 drives each set of double gear shafts 5 through the active gear 502 and the double gear ring 503. 04 Synchronous operation, and then driven by the driven gear ring 505, the stage 506 and the sample above rotate at a uniform speed, so that the sample is heated and moistened evenly from all directions, reducing the data deviation caused by environmental differences. While the stage 506 is rotating, it drives the impeller 508 to rotate. The impeller 508 pushes the airflow below to flow upward. After the airflow is evenly guided by the flow divider 510, it spreads to the surroundings and then flows back down along the outer wall of the sample, forming a stable circulating airflow to ensure that the overall humid and hot environment in the chamber is uniform. In addition, the operation of the impeller 508 can synchronously drive the stirring rod 509 to rotate, continuously stirring the water inside the heat preservation cylinder 4 to ensure that the water is heated evenly. This stirring structure works in conjunction with the existing transmission system, without the need to add additional drive components, which can simplify the equipment structure and reduce production and use costs. Finally, the equipment continues to run to carry out damp heat aging tests. After the preset aging time is reached, the testing component 7 is restarted to repeat the above testing process. After aging, the mechanical strength of the pipe decreases, and the depth of the pin penetration will increase significantly under the same pressure. By comparing and analyzing the retest data with the initial data, the degree and rate of aging of the PVC pipe sample can be directly determined. The subsequent testing and analysis are repeated multiple times, and the entire testing process is now complete.

[0024] It should be noted that, in this document, the terms “comprising,” “including,” or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0025] This article uses specific examples to illustrate the principles and implementation methods of the present invention. The above examples are only for the purpose of helping to understand the method and core ideas of the present invention. The above descriptions are only preferred embodiments of the present invention. It should be noted that due to the limitations of textual expression, while there are objectively infinite specific structures, those skilled in the art can make several improvements, modifications, or changes without departing from the principles of the present invention, and can also combine the above technical features in an appropriate manner. These improvements, modifications, changes, or combinations, or the direct application of the inventive concept and technical solution to other situations without modification, should all be considered within the scope of protection of the present invention.

Claims

1. A rapid detection device for damp heat aging in the processing of modified PVC pipes, characterized in that, The device includes an insulation shell (1) and a control assembly (5). The insulation shell (1) has an insulation partition (2) inside and an insulation cover (3) on top. An insulation cylinder (4) is connected to the bottom of the insulation shell (1). The control assembly (5) is located inside the insulation shell (1) and includes an active motor (501). The active motor (501) is located in the middle of the insulation shell (1), and the output end of the active motor (501) is connected to an active gear (502). A double gear ring (503) meshes with one side of the active gear (502), and a double gear shaft (504) meshes with the bottom of the double gear ring (503). A driven gear ring (505) meshes with one end of the double gear shaft (504), and a platform (505) is fixedly connected to the top of the driven gear ring (505). 6) A support sleeve (507) is rotatably connected to the outside of the platform (506), and an impeller (508) is installed inside the platform (506). A stirring rod (509) is slidably connected inside the impeller (508). A flow divider block (510) is fixedly connected to the bottom of the heat insulation cover (3). A first electric heating plate (511) is installed at the bottom of the heat insulation cylinder (4). A temperature sensor (512) is installed at the lower part of the heat insulation cylinder (4). An ultrasonic atomizer (513) is fixedly connected inside the heat insulation cylinder (4). A temperature and humidity sensor (514) is installed at the upper part of the heat insulation shell (1). A second electric heating plate (515) is fixedly connected to the outside of the heat insulation partition (2). A positioning component (6) is connected to the top of the platform (506). A detection component (7) is installed on the outside of the heat insulation shell (1).

2. The rapid detection device for damp heat aging in the processing of modified PVC pipes according to claim 1, characterized in that, The double gear ring (503) and the double gear shaft (504) are rotatably connected to the insulation partition (2), and the insulation partition (2) is fixedly connected to the support sleeve (507).

3. The rapid detection device for damp heat aging in the processing of modified PVC pipes according to claim 1, characterized in that, There are six dual gear shafts (504), and the dual gear shafts (504) are arranged in a circumferential array along the bottom of the double gear ring (503).

4. The rapid detection device for damp heat aging in the processing of modified PVC pipes according to claim 1, characterized in that, The upper part of the stirring rod (509) is prismatic, and the stirring rod (509), the platform (506) and the flow divider (510) are coaxially arranged.

5. The rapid detection device for damp heat aging in the processing of modified PVC pipes according to claim 1, characterized in that, The positioning component (6) includes a worm gear (601), which is rotatably connected to the middle of the insulation shell (1), and a worm wheel (602) meshes with the outer side of the worm gear (601). A drive shaft (603) is fixedly connected inside the worm wheel (602), and a slotted plate (604) is fixedly connected to the outer side of the middle of the drive shaft (603). A sliding column (605) is slidably connected inside the slotted plate (604), and a limiting sleeve (606) is installed at one end of the sliding column (605). The limiting sleeve (606) is rotatably connected to the stirring rod (509), and a connecting rod (607) is rotatably connected to the top of the stirring rod (509). A sliding seat (608) is rotatably connected to the top of the connecting rod (607), and an anti-slip clamp (609) is fixedly connected to the top of the sliding seat (608).

6. The rapid detection device for damp heat aging in the processing of modified PVC pipes according to claim 5, characterized in that, The slide (608) is slidably connected to the stage (506), and the slide (608) is arranged in a circumferential array about the top of the stage (506).

7. The rapid detection device for damp heat aging in the processing of modified PVC pipes according to claim 5, characterized in that, The drive shaft (603) is rotatably connected to the insulation partition (2), and there are six drive shafts (603).

8. The rapid detection device for damp heat aging in the processing of modified PVC pipes according to claim 1, characterized in that, The detection component (7) includes an electric cylinder (701). The electric cylinder (701) is rotatably connected to the outer side of the insulation shell (1), and a drive ring (702) is rotatably connected to one end of the electric cylinder (701). A guide groove (703) is provided at the bottom of the drive ring (702), and a drive column (704) is slidably connected inside the guide groove (703). A slide rod (705) is fixedly connected to the bottom of the drive column (704), and a protective shell (706) is installed at one end of the slide rod (705). A damper (707) is fixedly connected inside the protective shell (706). The damper (707) is fixedly connected to a pin seat (708) at one end. The pin seat (708) is connected to a constant force spring (709) at both ends. A first rack (710) is fixedly connected to one side of the pin seat (708). A rotating toothed plate (711) is engaged at the top of the first rack (710). A second rack (712) is engaged at the top of the rotating toothed plate (711). A slider (713) is fixedly connected to the top of the second rack (712). An infrared displacement sensor (714) is fixedly connected inside the protective shell (706).

9. The rapid detection device for damp heat aging in the processing of new modified PVC pipes according to claim 8, characterized in that, The drive ring (702) is rotatably connected to the insulation shell (1), and the insulation shell (1) is slidably connected to the slide rod (705).

10. The rapid detection device for damp heat aging in the processing of modified PVC pipes according to claim 8, characterized in that, The ejector pin seat (708) and the slider (713) are slidably connected to the protective shell (706), and the protective shell (706) is rotatably connected to the constant force spring (709) and the rotating toothed plate (711) respectively.

Images