Four-fold centralized cleaning intelligent recycling device

Abstract

The present application belongs to the technical field of cleaning conveying device, and particularly relates to a four-fold concentrated cleaning intelligent recycling device for cleaning the belt material of a belt conveyor, which comprises an enclosure, a chute connected to the bottom of the enclosure, a first sweeper, a second sweeper, a third sweeper, a fourth sweeper and a timing material pushing mechanism, and is arranged at intervals outside the belt conveyor; the second sweeper, the third sweeper and the fourth sweeper are arranged in the order of increasing height gradient; the timing material pushing mechanism comprises a transmission sprocket rotatably installed inside the enclosure, a chain inserted with the transmission sprocket, and a scraper detachably installed outside the chain, and the scraper is used for scraping the accumulated material scraped off by the first sweeper, the second sweeper, the third sweeper and the fourth sweeper. The present application realizes the function of conveying the accumulated material in an intelligent suspension structure, reduces the accumulated material retained in the discharging link, and solves the problem that the tail material is difficult to discharge in the cleaning and conveying of the accumulated material.

Description

Technical Field

[0001] This invention belongs to the field of cleaning and conveying device technology, specifically relating to a four-fold centralized cleaning and intelligent recycling device. Background Technology

[0002] Belt conveyors are the main conveying equipment in cement production. During material transport, the return belt exhibits significant material sludge buildup. This sludge continuously spills onto the floor beneath the conveyor, causing material accumulation. To ensure normal operation, manual cleaning is required after each shutdown. However, manual cleaning is labor-intensive, prone to accidents, and poses a high safety risk.

[0003] When cleaning up accumulated material on an existing belt conveyor, an additional material discharge conveyor belt is added below the return belt. The discharge conveyor belt receives the accumulated material and continuously transports it to the waste trough, thus achieving material cleaning.

[0004] In actual operation, the discharge conveyor belt is suspended below the return belt. However, the discharge conveyor belt also has the phenomenon of carrying material back, which causes the accumulated material to be carried to the discharge stage, resulting in the problem of difficult discharge of tail material during the cleaning and conveying of accumulated material. Summary of the Invention

[0005] The purpose of this invention is to provide a four-fold centralized cleaning and intelligent recycling device that can realize the function of conveying accumulated materials through an intelligent suspension structure, reduce the accumulation of materials in the discharge process, and solve the problem of difficult discharge of tail materials in the cleaning and conveying of accumulated materials.

[0006] The specific technical solution adopted by this invention is as follows: A four-stage centralized cleaning and intelligent recycling device for cleaning the material on a belt conveyor includes a barrier and a chute connected to the bottom of the barrier, and further includes: The first, second, third, and fourth cleaners and the timed pusher mechanism are spaced apart outside the belt conveyor. The second, third, and fourth sweepers are arranged in order of increasing height gradient. The timed material pushing mechanism includes a transmission sprocket rotatably installed inside the enclosure, a chain inserted into the transmission sprocket, and a scraper detachably installed on the outside of the chain. The scraper is used to scrape off the accumulated material scraped off by the first, second, third, and fourth sweepers.

[0007] As an alternative, it also includes: The first suspension mechanism and the second suspension mechanism are spaced apart outside the belt conveyor; The first suspension mechanism is used to suspend the first sweeper, and the second suspension mechanism is used to suspend the second, third and fourth sweepers.

[0008] As an alternative, the first sweeper is partially bent, and the bent portion of the first sweeper is used to conform to the outer arc surface of the sweeper belt conveyor; The first suspension mechanism is used to provide thrust for the first sweeper to adhere to the sweeper belt conveyor in order to maintain the continuity of the adhesion.

[0009] As an optional solution, the first suspension mechanism includes: The first sleeve is disposed outside the belt conveyor, and the first locking bolt and the first perforated plate are installed at intervals on the outer side of the first sleeve; A first floating rod is inserted into the first perforated plate, and a first damping element that contacts the first perforated plate is welded to the top of the first floating rod. A first square tube is inserted through the first sleeve, and an arc-shaped baffle for supporting the first sweeper is installed in the middle of the first square tube. The first damping element is used to provide thrust for the first sweeper to adhere to the sweeper belt conveyor in order to maintain the continuity of the adhesion.

[0010] As an alternative, a first support flange and a first base are sequentially installed vertically on the outside of the first sleeve, and a first support arm is connected between the first square tube and the first floating rod. The first support arm is used to transmit the thrust of the first floating rod to the first square tube, so that the first square tube can drive the first sweeper to approach the belt conveyor.

[0011] As an optional solution, both ends of the arc-shaped baffle are provided with cross-shaped slots, a limiting plate is inserted into the arc-shaped baffle along the vertical direction of the slot, and a pin is inserted into the arc-shaped baffle along the horizontal direction of the slot. The limiting plate is welded to the first square tube, and the pin passes through the limiting plate.

[0012] As an optional embodiment, the second suspension mechanism includes: The second base is disposed outside the belt conveyor, and a second perforated plate is welded onto the second base; The second floating rod is inserted through the second perforated plate. The two ends of the second floating rod are respectively welded with a second damping element and a second sleeve. The second sleeve is provided with a second square tube and a second locking bolt for locking the second square tube. The second square tube is used to support the second, third and fourth sweepers.

[0013] As an alternative, the second damping element is spirally arranged around the second floating rod, and the two ends of the second damping element are annular plates; One of the annular plates is welded to the top of the second floating rod, and the other annular plate contacts the second square tube.

[0014] As an alternative, two clamping plates are welded in the middle of the second square tube, and the distance between the two adjacent clamping plates is used to clamp the second, third and fourth cleaners.

[0015] As an optional solution, the timed feeding mechanism further includes: A rotating shaft passes through the transmission sprocket; A geared motor is used to drive the rotating shaft and the transmission sprocket to rotate. A control panel is used to control the geared motor, and both the geared motor and the control panel are installed outside the enclosure.

[0016] The technical effects achieved by this invention are as follows: This invention provides a smart cleaning and recycling device that uses four-stage cleaning to sequentially scrape away material from the return conveyor belt. Under the control of a preset program, accumulated material is scraped into a chute at regular intervals each day, reducing the amount of material stuck in the discharge process and solving the problem of difficult discharge of tail material during material cleaning and conveying.

[0017] This invention provides an intelligent cleaning and recycling device, which includes a matching suspended floating self-adjusting structure for quadruple cleaning, effectively preventing mechanical damage caused by tangential impact forces in rigid arrangements. Both the quadruple cleaning system and the matching suspended floating self-adjusting structure can be quickly disassembled, improving maintenance convenience.

[0018] This invention provides a smart cleaning and recycling device that periodically scrapes away accumulated material and enables the material to be transported via a smart suspension structure, reducing the amount of material stuck in the discharge process and solving the problem of difficult discharge of tail material during the cleaning and transportation of accumulated material. Attached Figure Description

[0019] Figure 1 This is a front view of a four-fold centralized cleaning and intelligent recycling device according to the present invention; Figure 2 This is the invention Figure 1 Rear view of a four-stage centralized cleaning and intelligent recycling device; Figure 3 This is the invention Figure 2 Schematic diagram of the middle belt structure; Figure 4 This is the invention Figure 3 Cross-sectional view of the middle belt; Figure 5 This is the invention Figure 2Front view of the first suspension mechanism; Figure 6 This is the invention Figure 5 Front view of the first supporting flange; Figure 7 This is the invention Figure 3 Front view of the second suspension mechanism; Figure 8 This is the invention Figure 7 Main view of the second base; Figure 9 This is the invention Figure 1 A sectional view of the central enclosure; Figure 10 This is the invention Figure 9 Front view of the timing pusher mechanism; Figure 11 This is a system block diagram of the controller of the present invention.

[0020] The attached diagram lists the components represented by each number as follows: 1. Belt conveyor; 101. Head roller; 102. Idling roller; 2. First cleaning device; 3. Second sweeper; 4. Third sweeper; 5. Fourth sweeper; 6. First suspension mechanism; 601. First base; 602. First support flange; 603. First sleeve; 604. First locking bolt; 605. First perforated plate; 606. First floating rod; 607. First damping element; 608. First support arm; 609. First square tube; 6010. Arc-shaped baffle; 6011. Limiting plate; 6012. Pin; 7. Second suspension mechanism; 701. Second base; 702. Second perforated plate; 703. Second sleeve; 704. Second locking bolt; 705. Second floating rod; 706. Second damping element; 707. Second square tube; 708. Clamping plate; 8. Construction site fencing; 9. Timed feeding mechanism; 901. Control panel; 902. Rotating shaft; 903. Transmission sprocket; 904. Chain; 905. Gear motor; 906. Scraper; 10. Sluice. Detailed Implementation

[0021] To make the objectives and advantages of this invention clearer, the invention will be specifically described below with reference to embodiments. It should be understood that the following text is merely used to describe one or more specific embodiments of the invention and does not strictly limit the scope of protection specifically claimed by the invention.

[0022] The existing cement production line mainly uses belt conveyor 1 to transport materials, which can change the performance of traditional manual material handling in terms of production capacity and reduce the risks in the process of manual material handling. The belt conveyor 1 includes a head roller 101 and a diverter roller 102 rotatably mounted on a steel frame. The head roller 101 and the diverter roller 102 are driven by a servo motor, and a belt is installed between the head roller 101 and the diverter roller 102 for transmission and material carrying.

[0023] During the material conveying process, the return belt of belt conveyor 1 exhibits a significant material accumulation phenomenon. The generated material (with a certain degree of moisture) continuously spills down below belt conveyor 1, causing material accumulation. Therefore, this application aims to improve the material accumulation situation.

[0024] like Figures 1-11 As shown, a four-stage centralized cleaning and intelligent recycling device is used to clean the material on the return belt of a belt conveyor 1. It includes a barrier 8 for collecting the material and a chute 10 connected to the bottom of the barrier 8. It also includes a first cleaner 2, a second cleaner 3, a third cleaner 4 and a fourth cleaner 5 suspended at intervals outside the belt conveyor 1. During installation, the first cleaner 2 is suspended at a 45° angle below the redirecting roller 102, and the second cleaner 3, the third cleaner 4 and the fourth cleaner 5 are suspended behind the redirecting roller 102. During operation, the first sweeper 2, the second sweeper 3, the third sweeper 4, and the fourth sweeper 5 sequentially contact the material on the return belt to scrape it off, causing the material to fall into the enclosure 8 and form accumulated material. The enclosure 8 is equipped with a timed pushing mechanism 9 for scraping the accumulated material. Under the control of a preset program, the timed pushing mechanism 9 scrapes the accumulated material into the chute 10 at regular intervals every day, reducing the accumulated material stuck in the discharge process and solving the problem of difficult discharge of tail material in the cleaning and conveying of accumulated material. Among them, the second sweeper 3, the third sweeper 4 and the fourth sweeper 5 are arranged in order of increasing height gradient, so that the three sweepers scrape off the material at different heights respectively. The division of labor is clear and prevents the material from being concentrated on one of the three sweepers, which would lead to increased loss.

[0025] For details, see Figure 4 The midpoints O1 of the second cleaner 3, O2 of the third cleaner 4, and O3 of the fourth cleaner 5 are distributed along an inclined straight line. The inclined straight line forms an angle α with the return belt. The operator can adjust the height of the second cleaner 3, the third cleaner 4, and the fourth cleaner 5 according to the production process to change the fixture α.

[0026] As an optional embodiment, the second sweeper 3, the third sweeper 4 and the fourth sweeper 5 are all inclined toward the redirecting roller 102, with an inclination angle of no more than 80°, so that the three can cut into the material at a small angle, which facilitates the layering and peeling of the material.

[0027] See attached document Figure 1 , Figure 2 and Figure 3 The belt conveyor 1 has a first suspension mechanism 6 and a second suspension mechanism 7 installed at intervals on its external steel frame. The first suspension mechanism 6 is used to suspend the first sweeper 2, and the second suspension mechanism 7 is used to suspend the second sweeper 3, the third sweeper 4 and the fourth sweeper 5. During maintenance, the staff can disassemble the first suspension mechanism 6 and the second suspension mechanism 7 to make the first sweeper 2, the second sweeper 3, the third sweeper 4 and the fourth sweeper 5 removable and replaceable.

[0028] Specifically, the first sweeper 2, the second sweeper 3, the third sweeper 4, and the fourth sweeper 5 are all made of polyurethane, which is waterproof, moisture-proof, weather-resistant, and corrosion-resistant. It can prevent the material from getting wet and has wear-resistant properties, continuously adhering to the return belt and maintaining its shape.

[0029] See attached document Figure 4 , Figure 5 and Figure 6 The first cleaner 2 is partially bent, and the bent part of the first cleaner 2 is used to fit the outer arc surface of the return belt of the cleaning belt conveyor 1, so that the first cleaner 2 has sufficient structural strength to cope with the tangential impact force of the material on the outer arc surface. During operation, the first suspension mechanism 6 is used to provide thrust for the first cleaner 2 to fit with the cleaning belt conveyor 1, so as to maintain the continuity of the fit. In addition, the material has tangential inertia, which is conducive to the first cleaner 2 to peel the material off the outer arc surface as much as possible.

[0030] See attached document Figure 5 and Figure 6The first suspension mechanism 6 includes a first base 601 and a first support flange 602, which are vertically installed on the external steel frame of the belt conveyor 1 by bolt and nut kit. A first sleeve 603 is welded through the middle of the first support flange 602. A first locking bolt 604 and a first perforated plate 605 are installed at intervals on the outer side of the first sleeve 603. A first floating rod 606 is inserted into the first perforated plate 605. A first damping element 607 that contacts the first perforated plate 605 is welded to the top of the first floating rod 606. During installation, a first square tube 609 passes through between the two first sleeves 603. The operator locks the first sleeve 603 and the first square tube 609 by tightening the first locking bolt 604. An arc-shaped baffle 6010 for supporting the first sweeper 2 is installed in the middle of the first square tube 609. The root of the first sweeper 2 is inserted into the arc-shaped baffle 6010 and locked by fastening bolts to prevent it from falling. During operation, the first damping element 607 pulls the first floating rod 606 forward along the hole of the first perforated plate 605 to provide thrust for the first sweeper 2 to adhere to the sweeping belt conveyor 1, so as to maintain the continuity of the adhesion. If the amount of material on the belt increases, the tangential impact force on the first damping element 607 increases instantaneously, which drives the first square tube 609 away from the belt conveyor 1 and pulls the first floating rod 606 in the opposite direction to compress the first floating rod 606, so as to realize the suspension floating self-adjustment of the first damping element 607, effectively preventing mechanical damage caused by the rigid arrangement bearing the tangential impact force.

[0031] Specifically, the first damping element 607 includes a tension spring and hollow discs welded to both ends of the tension spring. The two hollow discs are sleeved on the first floating rod 606 to straighten the tension spring.

[0032] See attached document Figure 5 and Figure 6 A first support arm 608 is connected between the first square tube 609 and the first floating rod 606 by a bolt and nut assembly. The first support arm 608 is used to transmit the thrust of the first floating rod 606 to the first square tube 609, so that the first square tube 609 can drive the first sweeper 2 to approach the belt conveyor 1, thereby realizing the elastic protection of the first sweeper 2 by the first floating rod 606.

[0033] See attached document Figure 5 and Figure 6 Both ends of the arc-shaped baffle 6010 are provided with cross-shaped slots. A limiting plate 6011 is inserted vertically along the slot of the arc-shaped baffle 6010, and a pin 6012 is inserted horizontally along the slot of the arc-shaped baffle 6010. During installation, the limiting plate 6011 is welded to the first square tube 609, the root of the first cleaner 2 is inserted into the arc-shaped baffle 6010, and the pin 6012 passes through the limiting plate 6011 and the first cleaner 2 to lock the first cleaner 2. During maintenance, the staff can remove the pin 6012 to unlock the first sweeper 2, and then quickly remove the first sweeper 2 by hand for replacement.

[0034] See attached document Figure 7 and Figure 8 The second suspension mechanism 7 includes a second base 701 fixed to the outer steel frame of the belt conveyor 1 by a bolt and nut kit. A second perforated plate 702 is welded onto the second base 701. During installation, a second floating rod 705 passes through the hole of the second perforated plate 702. A second damping element 706 and a second sleeve 703 are welded to both ends of the second floating rod 705 respectively. A second square tube 707 is inserted between the two second sleeves 703 and locked by a second locking bolt 704. After installation, the staff inserted the second sweeper 3, the third sweeper 4 and the fourth sweeper 5 into the three second square tubes 707 respectively, and tightened them with screws to lock the second sweeper 3, the third sweeper 4 and the fourth sweeper 5 into a locked state to prevent loosening. During operation, the second damping element 706 achieves self-adjustment of suspension floating, similar to the working principle of the first damping element 607. During maintenance, workers can use a wrench to unscrew the screws to release the locking status of the second sweeper 3, the third sweeper 4, and the fourth sweeper 5, allowing for quick replacement.

[0035] See attached document Figure 7 and Figure 8 The second damping element 706 is spirally arranged around the second floating rod 705. The two ends of the second damping element 706 are annular plates. One annular plate is welded to the top of the second floating rod 705, and the other annular plate contacts the second square tube 707. The two annular plates limit the second damping element 706 to prevent the second damping element 706 from detaching from the second floating rod 705.

[0036] See attached document Figure 7 and Figure 8 Two clamping plates 708 are welded in the middle of the second square tube 707. The distance between the two adjacent clamping plates 708 is used to clamp the second cleaner 3, the third cleaner 4 and the fourth cleaner 5. After clamping, the workers tighten the screws to reinforce them and prevent the second cleaner 3, the third cleaner 4 and the fourth cleaner 5 from loosening and falling off.

[0037] See attached document Figure 9 , Figure 10 and Figure 11The timed material pushing mechanism 9 includes a transmission sprocket 903 rotatably installed inside the enclosure 8, a chain 904 inserted into the transmission sprocket 903, and a scraper 906 detachably installed on the outside of the chain 904. During installation, the two chains 904 are placed side by side inside the enclosure 8 and supported by the transmission sprocket 903. Then, the scraper 906 is installed on the outside of the chain 904 by screws or buckles. During operation, driven by external power, the transmission sprocket 903 drives the transmission sprocket 903 and scraper 906 to rotate in one direction, causing the scraper 906 to slide on the bottom wall of the enclosure 8 towards the chute 10. This scrapes away the accumulated material scraped off by the first sweeper 2, the second sweeper 3, the third sweeper 4, and the fourth sweeper 5, realizing the function of conveying the accumulated material with an intelligent suspension structure, reducing the accumulated material stuck in the discharge process, and solving the problem of difficult discharge of tail material in the cleaning and conveying of accumulated material.

[0038] See attached document Figure 9 , Figure 10 and Figure 11 A geared motor 905 and a control panel 901 are installed on the outside of the enclosure 8 by bolt and nut kit. The control panel 901 (which can be a Mitsubishi series controller) is used to control the geared motor 905. A rotating shaft 902 is coaxially installed between two adjacent drive sprockets 903. The geared motor 905 and the adjacent rotating shaft 902 are connected by a coupling to drive the rotating shaft 902 and the drive sprocket 903 to rotate. At designated times each day, the pre-programmed program inside the control panel 901 controls the geared motor 905 to start, intelligently cleaning up accumulated materials without the need for manual cleaning. It can scrape the accumulated materials into the chute 10 at regular intervals, ensuring high safety in the material cleaning process. Meanwhile, a distance sensor is installed at a designated height position inside the enclosure 8 via screws to monitor the distance signal of the accumulated material reaching the limit height in real time. Once the limit height signal is triggered, the control panel 901 controls the geared motor 905 to start cleaning the accumulated material, preventing the accumulated material from clogging or obstructing the first sweeper 2, the second sweeper 3, the third sweeper 4, and the fourth sweeper 5.

[0039] For details, see Figure 11 The different pins of the controller are electrically connected to the distance sensor, the servo motor and the geared motor 905, respectively. The distance sensor is the detection unit, and the servo motor and the geared motor 905 are the execution units. The detection unit and the execution unit are electrically connected to the controller through wires, printed circuits or communication buses, respectively.

[0040] The working principle of this invention is as follows: the first sweeper 2, the second sweeper 3, the third sweeper 4 and the fourth sweeper 5 sequentially contact the material on the return belt and scrape it off, causing the material to fall into the enclosure 8 and form accumulated material.

[0041] The first damping element 607 pulls the first floating rod 606 forward along the hole of the first perforated plate 605 to provide thrust for the first sweeper 2 to adhere to the sweeping belt conveyor 1, so as to maintain the adhesion. If the first damping element 607 is subjected to a sudden increase in tangential impact force, it will drive the first square tube 609 away from the belt conveyor 1 and pull the first floating rod 606 in the opposite direction to compress the first floating rod 606, thereby realizing the suspension and floating self-adjustment of the first damping element 607.

[0042] During a specified period, the pre-programmed control panel 901 starts the geared motor 905 to provide driving force. The transmission sprocket 903 drives the transmission sprocket 903 and scraper 906 to rotate in one direction, causing the scraper 906 to slide on the bottom wall of the enclosure 8 towards the chute 10, scraping away the accumulated material scraped off by the first sweeper 2, the second sweeper 3, the third sweeper 4 and the fourth sweeper 5.

[0043] The above description is merely an optional embodiment of the present invention. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be considered within the scope of protection of the present invention. Structures, devices, and operating methods not specifically described or explained in this invention, unless otherwise specified or limited, shall be implemented according to conventional means in the art.

Claims

1. A four-fold centralized cleaning intelligent recycling device for cleaning the material on a belt conveyor (1), comprising a barrier (8) and a chute (10) connected to the bottom of the barrier (8), characterized in that, Also includes: The first cleaner (2), the second cleaner (3), the third cleaner (4), the fourth cleaner (5) and the timed pusher mechanism (9) are spaced apart outside the belt conveyor (1); Among them, the second sweeper (3), the third sweeper (4) and the fourth sweeper (5) are arranged in order of increasing height gradient; The timed feeding mechanism (9) includes a transmission sprocket (903) rotatably installed inside the enclosure (8), a chain (904) inserted into the transmission sprocket (903), and a scraper (906) detachably installed on the outside of the chain (904). The scraper (906) is used to scrape off the accumulated material scraped off by the first cleaner (2), the second cleaner (3), the third cleaner (4), and the fourth cleaner (5).

2. The four-stage centralized cleaning and intelligent recycling device according to claim 1, characterized in that, Also includes: The first suspension mechanism (6) and the second suspension mechanism (7) are spaced apart outside the belt conveyor (1); The first suspension mechanism (6) is used to suspend the first sweeper (2), and the second suspension mechanism (7) is used to suspend the second sweeper (3), the third sweeper (4) and the fourth sweeper (5).

3. The four-stage centralized cleaning and intelligent recycling device according to claim 2, characterized in that: The first sweeper (2) is partially bent, and the bent part of the first sweeper (2) is used to fit the outer arc surface of the sweeper belt conveyor (1); The first suspension mechanism (6) is used to provide thrust for the first sweeper (2) to adhere to the sweeper belt conveyor (1) in order to maintain the continuity of the adhesion.

4. The four-stage centralized cleaning and intelligent recycling device according to claim 2, characterized in that, The first suspension mechanism (6) includes: The first sleeve (603) is disposed outside the belt conveyor (1), and the first locking bolt (604) and the first perforated plate (605) are installed at intervals on the outside of the first sleeve (603). A first floating rod (606) is inserted into the first perforated plate (605), and a first damping element (607) is welded to the top of the first floating rod (606) to contact the first perforated plate (605). The first square tube (609) is inserted through the first sleeve (603), and an arc-shaped baffle (6010) for supporting the first sweeper (2) is installed in the middle of the first square tube (609). The first damping element (607) is used to provide thrust for the first sweeper (2) to adhere to the sweeper belt conveyor (1) in order to maintain the continuity of the adhesion.

5. The four-stage centralized cleaning and intelligent recycling device according to claim 4, characterized in that: The first sleeve (603) is vertically mounted with a first support flange (602) and a first base (601) in sequence, and a first support arm (608) is connected between the first square tube (609) and the first floating rod (606). The first support arm (608) is used to transmit the thrust of the first floating rod (606) to the first square tube (609), so that the first square tube (609) can drive the first sweeper (2) to approach the belt conveyor (1).

6. The four-stage centralized cleaning and intelligent recycling device according to claim 4, characterized in that: Both ends of the arc-shaped baffle (6010) are provided with cross-shaped slots. A limiting plate (6011) is inserted into the arc-shaped baffle (6010) along the vertical direction of the slot. A pin (6012) is inserted into the arc-shaped baffle (6010) along the horizontal direction of the slot. The limiting plate (6011) is welded to the first square tube (609), and the pin (6012) passes through the limiting plate (6011).

7. The four-stage centralized cleaning and intelligent recycling device according to claim 2, characterized in that, The second suspension mechanism (7) includes: The second base (701) is located outside the belt conveyor (1), and a second perforated plate (702) is welded onto the second base (701). The second floating rod (705) is inserted through the second perforated plate (702). The second floating rod (705) has a second damping element (706) and a second sleeve (703) welded to both ends. The second sleeve (703) is provided with a second square tube (707) and a second locking bolt (704) for locking the second square tube (707). The second square tube (707) is used to support the second sweeper (3), the third sweeper (4) and the fourth sweeper (5).

8. The four-stage centralized cleaning and intelligent recycling device according to claim 7, characterized in that: The second damping element (706) is spirally arranged around the second floating rod (705), and the two ends of the second damping element (706) are annular plates; One of the annular plates is welded to the top of the second floating rod (705), and the other annular plate contacts the second square tube (707).

9. The four-stage centralized cleaning and intelligent recycling device according to claim 7, characterized in that: The second square tube (707) has two clamping plates (708) welded in the middle. The distance between the two adjacent clamping plates (708) is used to clamp the second cleaner (3), the third cleaner (4) and the fourth cleaner (5).

10. A four-stage centralized cleaning and intelligent recycling device according to claim 1, characterized in that, The timed feeding mechanism (9) also includes: A rotating shaft (902) is inserted through the transmission sprocket (903). A geared motor (905) is used to drive the rotating shaft (902) and the transmission sprocket (903) to rotate; A control panel (901) is used to control the geared motor (905). Both the geared motor (905) and the control panel (901) are installed outside the enclosure (8).

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