Dedusting system for slow rebound sponge compounding process

The dust removal system, composed of multiple dust removal boxes and transmission dust removal rollers, combined with sensor and AI algorithm optimization, achieves all-round uniform dust removal of slow rebound sponge, solving the problem of dust affecting sponge quality and improving product quality.

CN120438310BActive Publication Date: 2026-11-06DEQING SHUHUA FOAM CHAIR CO LTD
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Patent Information

Application Number
CN202510787736.6
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-06-13
Publication Date
2026-11-06
Estimated Expiration
2045-06-13

AI Technical Summary

Technical Problem

During the production of slow rebound sponge, dust adhering to the product affects the sponge's porosity and breathability, thus reducing product quality.

Method used

The dust removal system, consisting of multiple dust removal boxes and transmission dust removal rollers, achieves all-round uniform dust removal through overhead ventilation space and synchronous dust removal technology. Combined with sensors and AI algorithms, vibration parameters are optimized to dynamically adjust the dust removal process.

Benefits of technology

This effectively avoids dust-collecting dead corners, ensures the openness and breathability of the sponge, and improves product quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application provides a dust removal system for a slow-rebound sponge composite process, which is suitable for the field of slow-rebound sponges and comprises a dust removal treatment box, a dust removal processor being assembled inside the dust removal treatment box, the dust removal processor comprising a plurality of unit dust removal treatment pieces; each unit dust removal treatment piece comprises an upper dust removal piece and a lower dust removal piece, the upper dust removal piece and the lower dust removal piece adopt the same structure, the lower dust removal piece comprises a dust removal assembly, the dust removal assembly comprises a dust removal frame and a plurality of transmission dust removal roller pieces being rotatably assembled on the dust removal frame; the transmission dust removal roller pieces are used for synchronously removing dust for the slow-rebound sponge during forward transmission of the slow-rebound sponge; the slow-rebound sponge is arranged on the transmission frame of the plurality of transmission dust removal roller pieces, so that the dust removal frame forms an overhead air extraction space for the slow-rebound sponge on the outside; the slow-rebound sponge is uniformly and evenly extracted and dust-removed in all directions without any dead angle; the opening rate and air permeability of the slow-rebound sponge are ensured, and the product quality of the slow-rebound sponge is improved.
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Description

Technical Field

[0001] This invention relates to the field of slow rebound sponge, and more particularly to a dust removal system for the slow rebound sponge composite process. Background Technology

[0002] Slow rebound foam, also known as memory foam, is a functional polymer material based on polyurethane. Through modification, it forms an open-cell structure, exhibiting temperature sensitivity and viscoelasticity. Its core characteristics include cell expansion to disperse pressure under stress, conforming to the body's curves to provide support, while also possessing breathability (open cell rate exceeding 90%) and antibacterial properties (e.g., treated with silver ions or bamboo charcoal fiber). It is widely used in medical (e.g., anti-bedsore mattresses), automotive (high-end headrests), home furnishings (smart mattresses), and sports equipment (custom insoles) fields.

[0003] In the production process of slow rebound sponge, a large amount of dust is generated during raw material cutting, foaming and other steps. Dust adheres to the product, which affects the open porosity and air permeability of the sponge and reduces product quality. There are existing technologies to address this problem, such as a dust removal device for high-quality processing of breathable slow rebound sponge with application number 202322955905.1. This technology discloses a dust removal technology for "slow rebound sponge". However, this technology removes dust by "dust removal mechanism". It has the defect of exhausting dust from one side. Impurities on the back of the slow rebound sponge have difficulty passing through the slow rebound sponge, resulting in uneven airflow distribution and dust removal dead corners. This leads to the accumulation of deep dust inside the high-density slow rebound sponge or in the corner areas. In response to the above-mentioned situation, a dust removal system for the slow rebound sponge composite process is proposed to solve the technical problem that "dust adhering to the product will affect the openness and breathability of the sponge, and reduce product quality". Summary of the Invention

[0004] The purpose of this invention is to provide a dust removal system for the slow rebound sponge composite process, which aims to solve the problem that a large amount of dust is generated during the raw material cutting and foaming processes in the production of slow rebound sponge. The dust adheres to the product, which affects the open porosity and air permeability of the sponge and reduces the product quality.

[0005] Specifically: The dust removal system for the slow-rebound sponge composite process includes multiple dust removal boxes mounted on a support frame. Each dust removal box has a straight, continuous channel with an inlet and an outlet at both ends. Inside the dust removal box, dust collectors are assembled along the channel. Each dust collector includes multiple unit dust removal components. These unit dust removal components are distributed along the same straight line and abut against each other. Each unit dust removal component includes an upper dust collector and a lower dust collector, which are symmetrically distributed. A gap is reserved between the upper and lower dust collectors for the introduction of slow-rebound sponge. The upper and lower dust collectors adopt the same structure. The lower dust collector includes a dust collector assembly, which includes a dust collector frame and multiple drive dust collector rollers rotatably mounted on the dust collector frame. The multiple drive dust collector rollers are evenly distributed along the dust collector frame. The drive dust collector rollers are used to synchronously remove dust from the slow-rebound sponge during the forward transmission of the sponge. Due to the drive frame of the multiple drive dust collector rollers, the dust collector frame forms an elevated exhaust space for the slow-rebound sponge on the outside. After the slow-rebound sponge is introduced into the dust removal chamber in the center of the dust removal processor, it moves sequentially along the inside of the chamber, passing through multiple dust removal units, including upper and lower dust removal components. These components, utilizing a dust removal frame, create an elevated ventilation space for the slow-rebound sponge, achieving omnidirectional dust removal. Simultaneously, the drive dust removal rollers perform synchronous dust removal on the slow-rebound sponge as it moves forward, ensuring uniform omnidirectional dust removal without dead angles. The omnidirectional, uniform dust removal environment created by the dust removal frame and drive dust removal rollers ensures that impurities are evenly discharged, avoiding the need for impurities to pass through the slow-rebound sponge and preventing uneven airflow distribution caused by obstructions, which can lead to dead angles and residual deep dust inside the high-density slow-rebound sponge or in corner areas. This ensures the open-cell ratio and breathability of the slow-rebound sponge, improving its product quality.

[0006] The technical solution of this application will be further described below: In one embodiment, the transmission dust removal roller includes a transmission dust removal roller, with a positioning block at each end of the transmission dust removal roller. The positioning blocks are rotatably connected to the transmission dust removal roller via sealed bearings. One of the positioning blocks has a cavity inside that connects to the dust removal frame, and the cavity is connected to the exhaust chamber inside the transmission dust removal roller. The other positioning block is fixed on the dust removal frame, and the transmission dust removal roller passes through this positioning block and is powered and connected to a drive motor via a chain and sprocket. The drive motor is mounted on the dust removal frame.

[0007] Furthermore, multiple dust removal holes are provided on the main body of the transmission dust removal roller, and the multiple dust removal holes are arranged in an array along the main body of the transmission dust removal roller; the dust removal holes are used to connect the exhaust chamber to the outside for exhaust dust removal.

[0008] Furthermore, the dust removal frame includes a support plate with a U-shaped groove in the middle; a row of mounting slots is provided on the support plate on both sides of the groove; and an exhaust mesh frame is installed inside the groove.

[0009] Furthermore, the exhaust screen frame includes multiple horizontal and vertical exhaust plates arranged in a staggered array. Multiple ventilation holes are provided on both the horizontal and vertical exhaust plates, and these ventilation holes are connected to a support plate via through-cavities within the horizontal and vertical exhaust plates. Multiple exhaust pipes are provided on the support plate, connecting to the through-cavities and cavities within the positioning blocks. The exhaust pipes are connected to an exhaust mechanism via connecting pipes, and the exhaust mechanism is connected to an operating platform on the support frame. When the exhaust mechanism is activated, negative pressure is created through the exhaust pipes, through-cavities, and through-cavities to exhaust dust from the exhaust screen frame and the drive dust removal rollers.

[0010] In one embodiment, the lower dust collector further includes an extrusion assembly, one end of which is attached to the bottom of the dust collector assembly and the other end is installed inside the dust collection box; the extrusion assembly includes a U-shaped plate, with a slot on each side of the U-shaped plate, and the U-shaped plate is installed on the dust collector assembly through the slot.

[0011] Furthermore, a support plate is fixed to the U-shaped plate, and an electric telescopic rod is fixed to the support plate. The electric telescopic rod is used to adjust the position of the dust removal assembly.

[0012] In one embodiment, the dust removal processor is equipped with a sensor data acquisition module and an AI algorithm analysis module; the sensor data acquisition module is used for capturing and preprocessing pressure signals of the dust removal assembly; the AI ​​algorithm analysis module is used for real-time identification of slow rebound sponge density and optimization of vibration parameters of the extrusion assembly.

[0013] Furthermore, the sensor data acquisition module includes a reconfigurable NPU module and a sensor array. The sensor array includes multiple pressure sensors distributed on multiple transmission dust removal rollers. The pressure sensors include flexible piezoresistive pressure sensors, high-sensitivity piezoelectric sensors, and multilayer gradient piezoresistive sensors. The reconfigurable NPU module supports parallel computing using a CNN+Transformer network. Therefore, the dynamic pressure distribution curve of the sponge under pressure is acquired in real time. Signal preprocessing employs the LMS adaptive filtering algorithm to eliminate equipment vibration noise and improve the signal-to-noise ratio. A built-in temperature and humidity sensor is also included, and polynomial fitting is used to correct the influence of environmental parameters on the pressure signal.

[0014] Furthermore, the AI ​​algorithm analysis module includes a density classification unit and a vibration parameter optimization unit. The density classification unit analyzes pressure distribution data through a convolutional neural network to identify the sponge density level. The vibration parameter optimization unit generates control commands for vibration frequency and amplitude based on a reinforcement learning algorithm. The AI ​​algorithm analysis module also includes a control module and an execution module. The control module converts the control commands into drive signals for the electric telescopic rod. The execution module is used to dynamically adjust the telescopic vibration frequency and amplitude of the electric telescopic rod according to the drive signals.

[0015] Compared with existing technologies, the dust removal system of the slow-rebound sponge composite process of this invention... 1. After the slow-rebound sponge is introduced into the dust removal chamber in the middle of the dust removal processor, it moves sequentially along the inside of the dust removal chamber, passing through multiple dust removal units, including upper and lower dust removal units. The upper and lower dust removal units utilize dust removal frames on the outside to form an elevated exhaust space for the slow-rebound sponge, achieving all-round dust removal for the slow-rebound sponge; at the same time, the drive dust removal rollers perform synchronous dust removal for the slow-rebound sponge as they drive it forward, achieving all-round uniform exhaust dust removal for the slow-rebound sponge without dead corners; avoiding the situation of exhaust dead corners at the stress support points of the slow-rebound sponge in the existing technology; Meanwhile, the dust removal rack and transmission dust removal rollers create a uniform airflow environment from all sides outwards, ensuring that impurities are discharged evenly. This avoids the technical defects of dust removal technology, such as impurities having to pass through the slow rebound sponge and uneven airflow distribution caused by obstructions, which can lead to dust dead corners and leave deep dust inside the high-density slow rebound sponge or residue in corner areas. This ensures the open porosity and breathability of the slow rebound sponge, improving the product quality of the slow rebound sponge. 2. After the slow rebound sponge is inserted into the dust removal chamber in the middle of the dust removal processor, it moves along the upper and lower dust removal components. During this process, the electric telescopic rod is activated to adjust the distance between the upper and lower dust removal components, thus adapting to slow rebound sponges of different thicknesses. The upper and lower dust removal components, which can adjust the spacing, squeeze the slow rebound sponge, which helps to shorten the path of impurities and achieve efficient dust removal. When the electric telescopic rod is activated periodically, it can vibrate the slow-rebound sponge to shake out impurities inside the sponge. 3. By combining the sensor data acquisition module and the AI ​​algorithm analysis module, and working in conjunction with the electric telescopic rod on the extrusion assembly, the vibration frequency and amplitude can be dynamically adjusted according to the sponge density. This ensures that impurities inside the slow rebound sponge are vibrated out without causing structural damage, thereby improving the efficiency and rationality of dust removal and ultimately enhancing the product quality of the slow rebound sponge. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the dust removal system for the slow rebound sponge composite process in one embodiment of the present invention; Figure 2 This is a schematic diagram of the structure of a dust removal processor in one embodiment of the present invention; Figure 3 This is a schematic diagram of the structure of a unit dust removal processing component in one embodiment of the present invention; Figure 4 This is a schematic diagram of the structure of the lower dust collector in one embodiment of the present invention; Figure 5 This is a schematic diagram of the extrusion assembly in one embodiment of the present invention; Figure 6 This is a schematic diagram of the dust removal assembly in one embodiment of the present invention; Figure 7 This is a schematic diagram of the structure of a dust removal rack in one embodiment of the present invention; Figure 8 This is a schematic diagram of the structure of the exhaust mesh frame in one embodiment of the present invention; Figure 9 This is a schematic diagram of the structure of the transmission dust removal roller in one embodiment of the present invention; Figure 10 for Figure 2 A demonstration diagram of dust removal using a slow-rebound sponge in the central dust removal channel.

[0017] Legend: 100. Operating table; 200. Support frame; 300. Dust collection box; 400. Dust collector; 500. Unit dust collection component; 600. Upper dust collector component; 700. Lower dust collector component; 710. Extrusion assembly; 711. U-shaped plate; 712. Slot; 713. Support plate; 714. Electric telescopic rod; 720. Dust collection assembly; 721. Dust collection frame; 722. Drive dust collection roller component; 7211. Mounting slot; 7212. Support plate; 7213. Exhaust screen frame; 7221. Positioning block; 7222. Drive dust collection roller; 7223. Dust collection hole; 800. Slow rebound sponge. Detailed Implementation

[0018] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. The specific implementation of the invention will be described in detail below with reference to specific embodiments.

[0019] In the embodiments of this invention, please refer to Figure 1 The dust removal system for the slow rebound sponge composite process includes multiple dust removal boxes 300 mounted on a support frame 200. Each dust removal box 300 has a straight channel running through it, with an inlet and an outlet at both ends of the channel. The following points need to be added regarding the support frame 200: The support frame 200 has a base plate at the bottom, and multiple support legs are fixed on the base plate. The multiple support legs are arranged in an array on the base plate. A support upright plate is fixed on the side of the base plate and is perpendicular to the base plate. The dust collection box 300 is installed on the support upright plate, and multiple dust collection boxes 300 are evenly distributed along the support upright plate. Continue reading Figures 1-3 and Figure 10 A dust collector 400 is installed inside the dust collection box 300 along the channel. The dust collector 400 includes multiple dust collection units 500. The multiple dust collection units 500 are distributed on the same straight line and abut against each other. Each dust collection unit 500 includes an upper dust collector 600 and a lower dust collector 700. The upper dust collector 600 and the lower dust collector 700 are symmetrically distributed, and a gap is reserved between the upper dust collector 600 and the lower dust collector 700 for the passage of slow rebound sponge 800. Meanwhile, since there is a gap between the upper dust collector 600 and the lower dust collector 700, and multiple dust collector units 500 are distributed on the same straight line, the gaps can form a straight dust collector cavity for the dust collector 400. As the slow rebound sponge 800 is introduced into the dust collector cavity and moves sequentially along the inside of the dust collector cavity, it can be ensured that the multiple dust collector units 500 sequentially allow the upper dust collector 600 and the lower dust collector 700 contained therein to simultaneously perform all-round air extraction from all sides of the slow rebound sponge 800, thus removing dust from the slow rebound sponge 800. Continue reading Figure 4 , Figures 6-9 The upper dust collector 600 and the lower dust collector 700 adopt the same structure. The lower dust collector 700 includes a dust collector assembly 720, which includes a dust collector frame 721 and a plurality of drive dust collector rollers 722 rotatably mounted on the dust collector frame 721. The plurality of drive dust collector rollers 722 are distributed at equal intervals along the dust collector frame 721. The transmission dust removal roller 722 is used to synchronously remove dust from the slow rebound sponge 800 during the forward transmission of the slow rebound sponge 800; due to the transmission frame of multiple transmission dust removal rollers 722, the dust removal frame 721 causes the slow rebound sponge 800 to form an elevated exhaust space on the outside. Therefore, after the slow-rebound sponge 800 is introduced into the dust removal chamber in the middle of the dust removal processor 400, it moves sequentially along the inside of the dust removal chamber, passing through multiple dust removal processing units 500, including the upper dust removal unit 600 and the lower dust removal unit 700. The upper dust removal unit 600 and the lower dust removal unit 700, with the dust removal frame 721 on the outside, form an elevated exhaust space for the slow-rebound sponge 800, achieving all-round dust removal for the slow-rebound sponge 800; at the same time, the transmission dust removal... During the forward transmission of the slow rebound sponge 800, the roller 722 simultaneously removes dust from the slow rebound sponge 800, achieving uniform air extraction and dust removal from all directions without dead angles for the slow rebound sponge 800; avoiding the situation where the "air outlet groove" for placing the slow rebound sponge, as disclosed in the dust removal device for high-quality processing of breathable slow rebound sponge disclosed in the prior art application number 202322955905.1, creates dead angles in air extraction at the stress support points of the slow rebound sponge; Meanwhile, the dust removal frame 721 and the transmission dust removal roller 722 create a uniform airflow environment for dust removal from all sides outwards, ensuring that impurities are discharged evenly. This avoids the technical defects of dust removal technology, such as impurities needing to pass through the slow rebound sponge and uneven airflow distribution caused by obstructions, which can lead to dust dead corners and leave deep dust or residue in the corners of the high-density slow rebound sponge. This ensures the openness and breathability of the slow rebound sponge and improves the product quality of the slow rebound sponge.

[0020] In another embodiment of the present invention, please refer to Figure 6 and Figure 9 The transmission dust removal roller component 722 includes a transmission dust removal roller 7222, and a positioning block 7221 is respectively provided at both ends of the transmission dust removal roller 7222. The positioning block 7221 and the transmission dust removal roller 7222 are rotatably connected through a sealed bearing. One of the positioning blocks 7221 has a cavity inside that connects to the dust removal frame 721, and the cavity is connected to the exhaust cavity inside the transmission dust removal roller 7222; Another positioning block 7221 is fixed on the dust removal frame 721, and the transmission dust removal roller 7222 passes through this positioning block 7221 and is connected to the drive motor via chain and sprocket power transmission. The drive motor is mounted on the dust removal frame 721.

[0021] It should be noted that the drive motor, chain, and sprocket are all existing technologies. Their detailed structures can be found in existing literature and journals, and they can also be purchased directly from the market, or assembled from parts purchased from the market, etc. They are not the subject of this invention and will not be described in detail here, nor are they shown in the accompanying drawings.

[0022] In another embodiment of the present invention, please refer to Figure 9 Multiple dust removal holes 7223 are provided on the main body of the transmission dust removal roller 7222, and the multiple dust removal holes 7223 are arranged in an array along the main body of the transmission dust removal roller 7222; the dust removal holes 7223 are used to connect the exhaust chamber to the outside for exhaust dust removal.

[0023] In another embodiment of the present invention, please refer to Figure 6 and Figure 7 The dust removal frame 721 includes a support plate 7212, with a groove in the middle of the support plate 7212, the groove being U-shaped; a row of mounting grooves 7211 are respectively opened on the support plate 7212 on both sides of the groove, and there are multiple mounting grooves 7211 in a row; an exhaust mesh frame 7213 is installed inside the groove.

[0024] In another embodiment of the present invention, please refer to Figure 7 and Figure 8 The exhaust mesh frame 7213 includes multiple exhaust horizontal plates and multiple exhaust vertical plates, which are arranged in an array and cross each other. Multiple ventilation holes are provided on both the horizontal and vertical exhaust plates. These ventilation holes are connected to the support plate 7212 through the through cavity inside the horizontal and vertical exhaust plates. Multiple exhaust pipes are provided on the support plate 7212. The exhaust pipes are connected to the through cavity and the cavity inside the positioning block 7221.

[0025] The dust extraction and dust removal system composed of dust removal frame 721, exhaust mesh frame 7213, and transmission dust removal roller 7222 is not concerned with the clogging problem during the dust removal process in this application, as their size can be increased; at the same time, the method of clearing the clogging is also existing technology, the detailed structure of which can be found in existing literature and journals, and can also be purchased directly from the market, or the components can be purchased from the market and assembled, etc.; it is not what this invention is intended to protect, and will not be described in detail here, nor is it shown in the accompanying drawings; Therefore, the exhaust pipe is connected to the exhaust mechanism through the connecting pipe, and the exhaust mechanism is connected to the operating table 100 included on the support frame 200. After the exhaust mechanism is started, the exhaust pipe, the through cavity, and the through cavity provide negative pressure for the exhaust screen frame 7213 and the transmission dust removal roller 7222 to perform exhaust and dust removal.

[0026] In another embodiment of the present invention, please refer to Figure 4 and Figure 5 The lower dust collector 700 also includes an extrusion assembly 710, one end of which is attached to the bottom of the dust collector assembly 720, and the other end is installed inside the dust collection box 300. The extrusion assembly 710 includes a U-shaped plate 711, and a slot 712 is provided on each side of the U-shaped plate 711. The U-shaped plate 711 is installed on the dust collector assembly 720 through the slot 712.

[0027] For further details, please refer to Figure 5 A support plate 713 is fixed on the U-shaped plate 711, and an electric telescopic rod 714 is fixed on the support plate 713. The electric telescopic rod 714 is used to adjust the position of the dust removal assembly 720.

[0028] Therefore, after the slow rebound sponge 800 is introduced into the dust removal chamber in the middle of the dust removal processor 400, it moves along the upper dust removal component 600 and the lower dust removal component 700. During this process, the electric telescopic rod 714 is activated to adjust the distance between the upper dust removal component 600 and the lower dust removal component 700, so as to adapt to the slow rebound sponge 800 of different thicknesses. The upper dust removal component 600 and the lower dust removal component 700, which can adjust the spacing, squeeze the slow rebound sponge 800, which helps to shorten the path of impurity discharge and achieve efficient dust removal. When the electric telescopic rod 714 is activated periodically, the slow rebound sponge 800 can be vibrated so as to shake out the impurities inside the slow rebound sponge 800.

[0029] In another embodiment of the present invention, the dust removal processor 400 is equipped with a sensor data acquisition module and an AI algorithm analysis module; the sensor data acquisition module is used for capturing and preprocessing the pressure signal of the dust removal assembly 720; the AI ​​algorithm analysis module is used for real-time identification of the density of the slow rebound sponge 800 and optimization of the vibration parameters of the extrusion assembly 710.

[0030] Furthermore, the sensor data acquisition module includes a reconfigurable NPU module equipped with a Kneron KL630 chip and a sensor array. The sensor array includes multiple pressure sensors distributed on multiple transmission dust removal rollers 722. The pressure sensors include flexible piezoresistive pressure sensors (model CNT / PUS sensor developed by Anhui University of Architecture), high-sensitivity piezoelectric sensors (model Honeywell TruStability® HSC series, such as HSCDANN001PDAA3), and multilayer gradient piezoresistive sensors (model multilayer Ag NWs / PCL nanofiber sensor developed by Beijing Institute of Technology). The reconfigurable NPU module is used to support parallel computation of CNN+Transformer networks.

[0031] It should be noted that flexible piezoresistive pressure sensors, high-sensitivity piezoelectric sensors, and multilayer gradient piezoresistive sensors are all existing technologies. Their detailed structures can be found in existing literature and journals, and they can also be purchased directly from the market or assembled from components purchased from the market. They are not the technologies to be protected in this invention, and will not be described in detail here, nor are they shown in the accompanying drawings.

[0032] The compressive stress-strain characteristics of sponges with different densities (40D-100D) were experimentally calibrated, and a density-pressure response database was established. For example: 40D sponge: compression deformation ≥30%, peak pressure ≤5kPa; 100D sponge: compression deformation ≤10%, peak pressure ≥20kPa.

[0033] Therefore, the dynamic pressure distribution curve (including peak pressure, pressure gradient and deformation rate) of the sponge under pressure is collected in real time. The signal preprocessing adopts the LMS adaptive filtering algorithm to eliminate equipment vibration noise (such as high-frequency interference from motors) and improve the signal-to-noise ratio to ≥60dB. The built-in temperature and humidity sensor (such as Sensirion SHT45) corrects the influence of environmental parameters on the pressure signal through polynomial fitting.

[0034] Furthermore, the AI ​​algorithm analysis module includes a density classification unit and a vibration parameter optimization unit. The density classification unit analyzes pressure distribution data through a convolutional neural network to identify the sponge density level; the vibration parameter optimization unit generates control commands for vibration frequency and amplitude based on a reinforcement learning algorithm. The AI ​​algorithm analysis module also includes a control module and an execution module. The control module converts the control commands into drive signals for the electric telescopic rod 714. The execution module is used to dynamically adjust the telescopic vibration frequency and amplitude of the electric telescopic rod 714 according to the drive signals.

[0035] Therefore, by combining the sensor data acquisition module and the AI ​​algorithm analysis module, and working in conjunction with the electric telescopic rod 714 on the extrusion assembly 710, the vibration frequency and amplitude can be dynamically adjusted according to the sponge density. This ensures that, while avoiding structural damage (if the vibration intensity exceeds the material's tolerance threshold, it may cause uneven sponge density or prolonged rebound time; that is, high-frequency or high-amplitude vibration may cause local collapse or deformation of the open cell structure of the sponge, affecting air permeability and pressure reduction performance), impurities inside the slow rebound sponge 800 are vibrated out. This improves the efficiency and rationality of dust removal and is conducive to improving the product quality of the slow rebound sponge. This solves the problem of the technology disclosed in the dust removal device for high-quality processing of breathable slow-rebound sponge (application number 202322955905.1), which involves "driving the top rod to rotate by an electric motor and contacting the sponge block to make the sponge block vibrate." This technology is prone to high-frequency or strong-amplitude vibrations that may cause local collapse or deformation of the open cell structure of the sponge, affecting breathability and pressure reduction performance.

[0036] In the description of this invention, unless otherwise stated, "a plurality of" means two or more. Although embodiments of the invention have been shown and described in the description of this invention, it will be understood by those skilled in the art that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A dust removal system for the slow-rebound sponge composite process, comprising multiple dust removal boxes mounted on a support frame, wherein each dust removal box has a straight, continuous channel, with an inlet and an outlet at both ends of the channel; characterized in that, Inside the dust collection box, a dust collector is installed along the channel. The dust collector includes multiple dust collection units. These units are distributed in a straight line and abut against each other. Each dust collection unit includes an upper dust collector and a lower dust collector. The upper and lower dust collectors are symmetrically distributed, and a gap is reserved between them for the insertion of a slow-rebound sponge. The upper dust collector and the lower dust collector adopt the same structure. The lower dust collector includes a dust collector assembly, which includes a dust collector frame and multiple drive dust collector rollers that are rotatably mounted on the dust collector frame. The multiple drive dust collector rollers are distributed at equal intervals along the dust collector frame. The transmission dust removal rollers are used to synchronously remove dust from the slow rebound sponge during the forward transmission process; due to the transmission frame of multiple transmission dust removal rollers, the dust removal frame forms an elevated exhaust space for the slow rebound sponge on the outside. The transmission dust removal roller assembly includes a transmission dust removal roller, with a positioning block at each end of the transmission dust removal roller. The positioning blocks are rotatably connected to the transmission dust removal roller via sealed bearings. One of the positioning blocks has a cavity inside that connects to the dust removal frame, and the cavity is connected to the exhaust chamber inside the transmission dust removal roller. The other positioning block is fixed on the dust removal frame, and the transmission dust removal roller passes through this positioning block and is connected to the drive motor via a chain and sprocket. The drive motor is mounted on the dust removal frame. The dust removal frame includes a support plate with a U-shaped groove in the middle; a row of mounting slots is provided on the support plate on both sides of the groove; and an exhaust mesh frame is installed inside the groove. The exhaust mesh frame includes multiple horizontal exhaust plates and multiple vertical exhaust plates, which are arranged in an array and cross each other. Multiple ventilation holes are provided on both the horizontal and vertical exhaust plates, and the ventilation holes are connected to the support plate through the through cavity inside the horizontal and vertical exhaust plates. Multiple exhaust pipes are provided on the support plate, which are connected to the through cavity and the cavity inside the positioning block. The lower dust collector also includes an extrusion assembly, one end of which is attached to the bottom of the dust collector assembly, and the other end is installed inside the dust collection box; the extrusion assembly includes a U-shaped plate, and a slot is provided on each side of the U-shaped plate, and the U-shaped plate is installed on the dust collector assembly through the slot; A support plate is fixed to the U-shaped plate, and an electric telescopic rod is fixed to the support plate. The electric telescopic rod is used to adjust the position of the dust removal assembly.

2. The dust removal system for the slow-rebound sponge composite process according to claim 1, characterized in that, Multiple dust removal holes are provided on the main body of the transmission dust removal roller, and the multiple dust removal holes are arranged in an array along the main body of the transmission dust removal roller; the dust removal holes are used to connect the exhaust chamber to the outside for exhaust dust removal.

3. The dust removal system for the slow-rebound sponge composite process according to claim 1, characterized in that, The dust removal processor is equipped with a sensor data acquisition module and an AI algorithm analysis module. The sensor data acquisition module is used for capturing and preprocessing pressure signals from the dust removal assembly. The AI ​​algorithm analysis module is used for real-time identification of the density of the slow-rebound sponge and optimization of the vibration parameters of the extrusion assembly.

4. The dust removal system for the slow-rebound sponge composite process according to claim 3, characterized in that, The sensor data acquisition module includes a reconfigurable NPU module and a sensor array. The sensor array includes multiple pressure sensors distributed on multiple transmission dust removal rollers. The pressure sensors include flexible piezoresistive pressure sensors, high-sensitivity piezoelectric sensors, and multilayer gradient piezoresistive sensors. The reconfigurable NPU module is used to support parallel computation of CNN+Transformer networks.

5. The dust removal system for the slow-rebound sponge composite process according to claim 3, characterized in that, The AI ​​algorithm analysis module includes a density classification unit and a vibration parameter optimization unit. The density classification unit analyzes pressure distribution data through a convolutional neural network to identify the sponge density level; the vibration parameter optimization unit generates control commands for vibration frequency and amplitude based on a reinforcement learning algorithm. The AI ​​algorithm analysis module also includes a control module and an execution module. The control module converts the control commands into drive signals for the electric telescopic pole; the execution module is used to dynamically adjust the telescopic vibration frequency and amplitude of the electric telescopic pole according to the drive signals.

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