Garden fallen leaf recycling equipment and method based on environmental pollution treatment

Abstract

The invention relates to the technical field of waste treatment, and discloses garden fallen leaf recovery treatment equipment and method based on environmental pollution abatement, and the garden fallen leaf recovery treatment equipment based on environmental pollution abatement comprises a shell; the crushing assembly is arranged in the shell; the material suction assembly is arranged on one side of the shell and is communicated with the shell; the feeding device is arranged on the shell and comprises a hopper and a channel located on one side of the hopper, and the channel is in through connection with the shell; the screening unit is arranged in the hopper and comprises a flexible screening plate, reels and a support, the flexible screening plate is arranged in the hopper, the left side and the right side of the flexible screening plate extend out of the hopper, and the left end and the right end of the flexible screening plate are fixedly connected with the corresponding reels and wound on the peripheral faces of the reels. According to the fallen leaf screening device, the flexible screening plate is used for preliminarily screening impurities such as gravel blocks and metal mixed in fallen leaves.

Description

Technical Field

[0001] The present invention relates to the technical field of waste treatment, and in particular to a garden fallen leaf recycling and treatment device and method based on environmental pollution control. Background Art

[0002] With the continuous expansion of urban greening areas, the amount of garden pruning waste generated in scenes such as parks, campuses, and urban green belts is increasing. Among them, if the fallen leaves in the waste are piled up and handled improperly, it will not only pose a fire hazard, but also cause environmental pollution. At present, the commonly used processing equipment is a crusher, which sends the fallen leaves into a crushing chamber and uses high-speed rotating blades or hammers in the chamber to cut and hit the fallen leaves, breaking them into fine particles for subsequent composting or use as mulch.

[0003] The existing publication number CN216339250U discloses a fallen leaf processing device for garden fallen leaves, including a fixed plate, a supporting leg is provided at the bottom of the fixed plate, a moving wheel is provided on the front of the supporting leg, a collecting bin is provided on the top of the fixed plate, a crushing bin is provided on the top of the collecting bin, a connecting plate is provided inside the crushing bin, a first motor is provided on the front of the connecting plate, the output end of the first motor is connected to a driving gear, a transmission belt is provided on the surface of the driving gear, a driven gear is provided inside the connecting plate, a rotating shaft is provided on the back of the driven gear, and crushing blades are provided on the surface of the rotating shaft. Although the above technical solution can drive the crushing blades to rotate by the rotating shaft to crush the fallen leaves inside the crushing bin, thereby improving the crushing effect of the device, the notch opened on the side of the crushing bin is adapted to the shape of the connecting plate, thereby improving the working effect of the device.

[0004] However, in the prior art, when using a crusher to crush fallen leaves, workers usually manually or by suction feed a large amount of fallen leaves into the feed port of the crusher, and rely on the high-speed rotating blades or hammers in the cavity to cut and hit the fallen leaves. However, due to the complex scene of garden fallen leaves collection, when fallen leaves are directly fed into the crusher in a piled state, it is difficult to avoid the inclusion of non-biomass impurities such as gravel, metal, and glass. On the one hand, gravel, metal and other impurities with higher hardness mix with fallen leaves and enter the crushing chamber, which will produce violent collisions with the high-speed rotating blades, causing structural damage such as blade cracking and curling, greatly shortening the service life of the blade and increasing equipment maintenance costs. On the other hand, brittle impurities such as glass will produce sharp fragments during the crushing process. These fragments may splash out through the discharge port, posing a direct threat to the personal safety of surrounding operators. At the same time, the mixing of non-biomass impurities will also reduce the purity of the crushed material, affecting the use of fallen leaves as compost raw materials or mulch. Summary of the Invention

[0005] The purpose of the present invention is to provide a garden fallen leaf recycling and processing device and method based on environmental pollution control, so as to solve the problem raised in the above background technology that when processing fallen leaves, non-biomass impurities such as crushed stones and metals are often mixed in due to manual or inhaled feeding, which not only easily damages the blades but also reduces the purity of the crushed materials.

[0006] The present invention provides a garden leaf recycling and processing device and method based on environmental pollution control, which adopts the following technical solutions: A garden fallen leaf recycling and processing device based on environmental pollution control, comprising: case; A crushing assembly is disposed in the shell; The material suction component is arranged on one side of the shell and is connected to the shell; Also includes: A feeding device is provided on the housing, the feeding device comprising a hopper and a channel located on one side of the hopper, the channel being in continuous communication with the housing; The screening unit is arranged in the hopper, and the screening unit includes a flexible screening plate, a reel and a bracket. The flexible screening plate is arranged in the hopper, and the left and right sides of the flexible screening plate extend to the outside of the hopper. The left and right ends of the flexible screening plate are fixedly connected to the corresponding reels and wound around the outer circumference of the reel. The two ends of the reel are respectively rotatably connected to the corresponding brackets, and the bracket is fixed on the hopper. The two ends of the reel are respectively provided with torsion springs, and the two ends of the reel are also fixedly installed with baffles, which are located on the inner side of the torsion spring. The front and rear positions of the bottom of the flexible screening plate are symmetrically provided with rebound mechanisms, and the rebound mechanism makes the flexible screening plate bend downward and then rebound to its original position.

[0007] Furthermore, each group of the rebound mechanism includes two groups of traction sleeves fixed to the bottom of the flexible screening plate, a central axis is rotatably connected in the hopper, and the adjacent ends of the two groups of traction sleeves are rotatably sleeved on the central axis, and blocks are symmetrically fixed on the central axis, and a connecting column is fixed on the block, and a sleeve column is fixed in the hopper, and the connecting column is inserted into the sleeve column, a convex rod is fixed on the connecting column, and a cross bar is fixed on the sleeve column, and a spring 2 is arranged between the cross bar and the convex rod.

[0008] Furthermore, a driving mechanism is provided at the bottom end of the connecting column, which includes a shaft arranged to rotate along the front-back direction of the hopper, a disc symmetrically fixed on the shaft, and a connecting rod hinged between the edge of the disc and the connecting column; The hopper is provided with a track for the central axis to move up and down, which drives the shaft to rotate and drives the connecting column to move up and down through the disc and the connecting rod, so that the central axis slides along the track, and the traction sleeve is flipped to make the flexible screening plate deform into a V shape and then rebound to reset.

[0009] Furthermore, the driving mechanism also includes a driven gear fixed on the shaft, a half gear meshing with the driven gear, and a motor, wherein the half gear is rotatably connected to the hopper via a rotating shaft, and the output end of the motor is fixed to the rotating shaft.

[0010] Furthermore, an auxiliary unit is provided in the feeding equipment, which includes a sieve drum arranged at the connection between the hopper and the channel and a plurality of groups of air holes opened at equal intervals along the circumferential direction of the sieve drum. The sieve drum is rotatably connected to the hopper through a connecting shaft, one end of the connecting shaft passes through the outside of the hopper, and a transmission part is provided between the sieve drum and the rotating shaft.

[0011] Furthermore, the two groups of traction sleeve rods are each provided with a telescopic unit at one end opposite to the other. The telescopic unit includes an extension rod, one end of the extension rod is hinged in the hopper, and the other end of the extension rod is movably inserted in the corresponding traction sleeve rod.

[0012] Furthermore, a spring 1 is fixedly connected between the other end of the extension rod and the inner wall of the traction sleeve.

[0013] Furthermore, multiple groups of shift rods are fixed on the connecting shaft along the circumferential direction, and the shift rods are evenly distributed along the axial direction of the connecting shaft. Multiple groups of debris discharge ports are circumferentially opened on the edges of both ends of the screen drum, and the hopper is provided with debris discharge ports corresponding to the debris discharge ports.

[0014] Furthermore, a shielding cover is detachably mounted on the outside of the hopper, the shielding cover is arranged outside the motor, and a gap is opened on the shielding cover for the transmission part to move.

[0015] A method for recycling and treating garden fallen leaves based on environmental pollution control, using the garden fallen leaves recycling and treating equipment, comprises the following steps: Step 1: Put the fallen leaves into the hopper, and the impurities are screened and discharged through the flexible screening plate. At the same time, the flexible screening plate bends under the action of the rebound mechanism; Step 2: The motor drives the half gear and the driven gear to move the center shaft downward, and the traction sleeve is turned over to make the flexible screening plate V-shaped; Step 3: The half gear is disengaged from the driven gear, the second spring resets and drives the flexible screening plate to rebound, and the suction component sucks the bounced fallen leaves into the crushing chamber; Step 4: The screen drum rotates and screens the fallen leaves and impurities again through the pores; Step 5: The fallen leaves entering the crushing chamber are crushed by the crushing component and finally discharged outward through the suction component.

[0016] Beneficial effects of the present invention: 1. By setting up a screening unit and a rebound mechanism, the flexible screening plate is used to achieve preliminary screening of impurities such as gravel and metal mixed in the fallen leaves. At the same time, the rebound mechanism is used to drive the flexible screening plate into a V shape, so that the fallen leaves and impurities remaining on the edge of the flexible screening plate can converge toward the middle, and then drive the flexible screening plate to rebound to a horizontal state. In this process, the rebound impact force generated by the flexible screening plate can loosen the fallen leaf layer, and cooperate with the negative pressure generated by the suction component to accelerate the conveying efficiency of the fallen leaves. The screening plate is driven to rebound quickly by spring 2 and generate high-frequency vibration, which can further shake off the adhered fallen leaves and clean the residual impurities in the sieve holes to avoid blockage.

[0017] 2. By setting up a driving mechanism, the motor is used to drive the intermittent meshing transmission of the half gear and the driven gear to realize the control of the up and down movement of the connecting column, so that the central axis slides along the track, and the traction sleeve is flipped to control the flexible screening plate to switch between horizontal and V-shaped. After the half gear and the driven gear are disengaged, the reset effect of the spring 2 is realized to realize the rapid rebound and high-frequency vibration of the flexible screening plate, thereby effectively separating impurities and improving screening efficiency.

[0018] 3. By setting up an auxiliary unit, the cooperation between the screen drum and the air holes can perform secondary screening of the fallen leaves. Under the action of the negative pressure airflow generated by the suction component, the fallen leaves are adsorbed on the outer wall of the screen drum through the air holes and transported into the shell as the screen drum rotates, further improving the screening effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention; Figure 2 It is a schematic diagram of the three-dimensional structure of the housing, the suction assembly and the feeding device of the present invention; Figure 3 It is a schematic cross-sectional view of the three-dimensional structure of the housing and the feeding device of the present invention; Figure 4 It is a schematic cross-sectional view of the three-dimensional structure of the feeding device of the present invention; Figure 5 It is a bottom view structural diagram of the screening unit and rebound mechanism of the present invention; Figure 6 It is a partial cross-sectional schematic diagram of the three-dimensional structure of the traction sleeve, central shaft and telescopic unit of the present invention; Figure 7 It is a schematic diagram of the three-dimensional structure of the screening unit, rebound mechanism and driving mechanism of the present invention; Figure 8 It is a schematic diagram of the three-dimensional structure of the rebound mechanism and the driving mechanism of the present invention; Figure 9 It is a schematic diagram of the three-dimensional structure of the driving mechanism of the present invention; Figure 10It is a schematic diagram of the three-dimensional structure of the hopper, channel, auxiliary unit and shielding cover of the present invention; Figure 11 It is a schematic cross-sectional view of the three-dimensional structure of the auxiliary unit of the present invention; Figure 12 It is an exploded schematic diagram of the three-dimensional structure of the hopper, motor and shielding cover of the present invention.

[0020] In the picture: 100, housing; 200, crushing assembly; 300, suction assembly; 400, feeding device; 401, hopper; 402, channel; 403, track; 404, outlet; 500, screening unit; 501, flexible screening plate; 502, reel; 503, bracket; 504, torsion spring; 505, baffle; 600, rebound mechanism; 601, traction sleeve; 602, center axis; 603, telescopic unit; 6031, extension rod; 6032, spring 1; 60 4. Stop block; 605. Connecting column; 606. Sleeve column; 607. Protruding rod; 608. Cross bar; 609. Second spring; 700. Driving mechanism; 701. Shaft; 702. Disc; 703. Connecting rod; 704. Driven gear; 705. Half gear; 706. Rotating shaft; 707. Motor; 800. Auxiliary unit; 801. Screen drum; 802. Air hole; 803. Connecting shaft; 804. Transmission unit; 805. Push rod; 806. Exhaust port; 900. Shielding cover. DETAILED DESCRIPTION

[0021] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0022] Reference Figure 1-Figure 3 The present invention provides a garden fallen leaf recycling and processing equipment based on environmental pollution control, including a shell 100, a crushing component 200 arranged in the shell 100, and a suction component 300 arranged on one side of the shell 100. The crushing component 200 is used to crush the fallen leaves. The suction component 300 is connected to the shell 100. The suction component 300 is responsible for transporting the fallen leaves into the shell 100 and then discharging the fallen leaves crushed by the crushing component 200 to the outside. The crushing component 200 and the suction component 300 are both existing technologies, so they are not described here in detail.

[0023] Reference Figure 3-Figure 5 , also includes a feeding device 400, which is arranged on the shell 100. The feeding device 400 includes a hopper 401 and a channel 402 located on one side of the hopper 401. The hopper 401 and the channel 402 are integrated into one body, and the channel 402 is connected to the shell 100 for conveying fallen leaves.

[0024] The screening unit 500 is arranged in the hopper 401. The screening unit 500 includes a flexible screening plate 501, a reel 502 and a bracket 503. The flexible screening plate 501 is arranged in the hopper 401, wherein the height of the flexible screening plate 501 is lower than the height of the channel 402. Therefore, when the fallen leaves and impurities such as gravel and metal mixed in the fallen leaves enter the hopper 401, the gravel, metal and other impurities fall by gravity and are screened out by the flexible screening plate 501. The fallen leaves are sucked into the channel 402 by the negative pressure generated by the suction component 300 and enter the shell 100 for crushing. The left and right sides of the flexible screening plate 501 extend to the outside of the hopper 401. The left and right ends of the flexible screening plate 501 are fixedly connected to the corresponding reel 502 and wound around The outer circumference of the reel 502, the two ends of the reel 502 are rotatably connected to the corresponding bracket 503 through bearings, the bracket 503 is fixed on the hopper 401, and the two ends of the reel 502 are respectively provided with a torsion spring 504, and the two ends of the reel 502 are also fixedly installed with a baffle 505, the baffle 505 is located on the inner side of the torsion spring 504, and the two ends of the torsion spring 504 are respectively fixedly connected to the baffle 505 and the bracket 503. When the flexible screening plate 501 swings downward, the reel 502 rotates synchronously and releases the length of the flexible screening plate 501 wound thereon. When the torsion spring 504 drives the flexible screening plate 501 to reset, the reel 502 rotates in the opposite direction and rewinds the flexible screening plate 501, so that the flexible screening plate 501 forms an elastic screening state that can be extended up and down.

[0025] Reference Figure 4-Figure 9 , the front and rear positions of the bottom of the flexible screening plate 501 are symmetrically provided with a rebound mechanism 600, which makes the flexible screening plate 501 bend downward and then rebound to its original position, and each set of rebound mechanisms 600 includes two sets of traction sleeves 601 fixed to the bottom of the flexible screening plate 501, and a central shaft 602 is rotatably connected in the hopper 401, and the central shaft 602 is rotatably arranged along the front and rear directions of the hopper 401, and the adjacent ends of the two sets of traction sleeves 601 are both rotated on the central shaft 602, wherein the central shaft 602 is symmetrically fixed with a stopper 604, and the stopper 604 is fixed with a connecting column 605, and a sleeve column 606 is fixed in the hopper 401, and the connecting column 606 is fixed. 05 is inserted into the sleeve column 606, and a protruding rod 607 is fixed on the connecting column 605, wherein guide grooves for the protruding rod 607 to slide are provided on both sides of the sleeve column 606, and a cross bar 608 is fixed on the sleeve column 606. A spring 2 609 is provided between the cross bar 608 and the protruding rod 607. By controlling the connecting column 605 to move downward, it drives the block 604 and the central axis 602 to move downward synchronously, and the protruding rod 607 on the connecting column 605 slides down along the guide grooves provided on both sides of the sleeve column 606. At this time, the traction sleeve 601 flips over with the central axis 602 as the center, and at the same time squeezes the spring 2 609 to store energy, so that the flexible screening plate 501 is V-shaped.

[0026] It should be noted that, referring to Figure 6 The two sets of traction sleeve rods 601 are each provided with a telescopic unit 603 at the opposite ends thereof. The telescopic unit 603 includes an extension rod 6031. One end of the extension rod 6031 is hinged in the hopper 401, and the other end of the extension rod 6031 is movably inserted in the corresponding traction sleeve rod 601. A spring 6032 is fixedly connected between the other end of the extension rod 6031 and the inner wall of the traction sleeve rod 601. When the traction sleeve rod 601 flips downward with the central axis 602 as the center, the extension rod 6031 will rotate around the hinge point and telescope in the traction sleeve rod 601 at the same time.

[0027] Specifically, refer to Figure 7-Figure 8 A driving mechanism 700 is provided at the bottom end of the connecting column 605. The driving mechanism 700 includes a shaft rod 701 that is arranged to rotate along the front and rear directions of the hopper 401, a disc 702 symmetrically fixed on the shaft rod 701, and a connecting rod 703 hinged between the edge of the disc 702 and the connecting column 605. A track 403 for the central axis 602 to move up and down is provided on the hopper 401. By driving the shaft rod 701 to rotate, the disc 702 is driven to rotate, so that the connecting rod 703 drives the connecting column 605 to move up and down in the sleeve column 606, and then pulls the central axis 602 to move up and down along the track 403, so that the two sets of traction sleeves 601 are flipped around the central axis 602, controlling the flexible screening plate 501 to be V-shaped, and then rebounding to a horizontal state.

[0028] Among them, reference Figure 9 The driving mechanism 700 also includes a driven gear 704 fixed on the shaft 701, a half gear 705 meshing with the driven gear 704, and a motor 707. The half gear 705 is connected to the hopper 401 through a rotating shaft 706. The output end of the motor 707 is fixed to the rotating shaft 706. After the motor 707 is started, it drives the half gear 705 to rotate and mesh with the driven gear 704, driving the shaft 701 and the disc 702 to rotate in turn. The central shaft 602 is pulled down along the track 403 on the hopper 401 through the connecting rod 703 and the connecting column 605, so that the traction sleeve 601 drives the flexible screening plate 501 to be V-shaped, so that the stop The fallen leaves and impurities remaining on the edge of the flexible screening plate 501 can gather towards the middle. After the half gear 705 disengages, the center shaft 602 moves up and resets under the elastic action of the spring 2 609, and the traction sleeve 601 drives the flexible screening plate 501 to rebound to a horizontal state. In this process, the rebound impact force generated by the flexible screening plate 501 causes the fallen leaves layer to loosen, and cooperates with the negative pressure generated by the suction component 300 to accelerate the conveying efficiency of the fallen leaves, thereby avoiding the fallen leaves staying on the surface of the flexible screening plate 501 and causing blockage, and the gravel, metal and other impurities mixed in the fallen leaves are discharged through the sieve holes of the flexible screening plate 501 to ensure the screening efficiency.

[0029] Further, refer to Figure 10-12An auxiliary unit 800 is provided in the feeding device 400. The auxiliary unit 800 includes a screen drum 801 provided at the connection between the hopper 401 and the channel 402, and a plurality of groups of air holes 802 opened at equal intervals along the circumferential direction of the screen drum 801. The screen drum 801 is rotatably connected to the hopper 401 through a connecting shaft 803. One end of the connecting shaft 803 passes through the outside of the hopper 401, and a transmission part 804 is provided between the connecting shaft 803 and the rotating shaft 706. The transmission part 804 includes a pulley and a conveyor belt. When the negative pressure airflow generated by the suction component 300 passes through the channel 402, a directional suction force is formed on the surface of the screen drum 801 through the air holes 802. The rotational movement of the screen drum 801 causes the fallen leaves to cling to the outer wall of the screen drum 801 under the action of suction, thereby being transported into the shell 100, while larger impurities are intercepted by the screen drum 801.

[0030] Among them, reference Figure 11 , multiple groups of shift rods 805 are fixed on the connecting shaft 803 in the circumferential direction, and the shift rods 805 are equidistantly distributed along the axial direction of the connecting shaft 803. Multiple groups of impurity discharge ports 806 are circumferentially provided at the edges of both ends of the screen drum 801, and an impurity outlet 404 corresponding to the impurity discharge port 806 is provided on the hopper 401. When the connecting shaft 803 rotates driven by the transmission part 804, the shift rods 805 fixed thereon perform a circular motion accordingly, continuously stirring the fine impurities entering the screen drum 801. At the same time, the screen drum 801 also rotates synchronously, so that the fine impurities rotate with the screen drum 801. When the impurity discharge ports 806 at the edges of both ends of the screen drum 801 rotate to align with the impurity outlet 404 on the hopper 401, the impurities are discharged from the hopper 401 through the impurity discharge port 806 and the impurity outlet 404 under the action of the shift rods 805, completing the secondary impurity separation.

[0031] Reference Figure 12 A shielding cover 900 is detachably mounted on the outside of the hopper 401 . The shielding cover 900 is arranged outside the motor 707 , and a gap is provided on the shielding cover 900 for the transmission part 804 to move.

[0032] The present invention provides a working principle of a garden fallen leaf recycling and processing device based on environmental pollution control: The fallen leaves are put into the hopper 401, and under the action of gravity, the broken stones, metals and other impurities are discharged through the sieve holes of the flexible screening plate 501. A part of the fallen leaves remain on the flexible screening plate 501, and the other part of the fallen leaves are sucked into the channel 402 by the negative pressure generated by the suction component 300 and enter the shell 100 for crushing. At this time, the motor 707 is started, and the rotating shaft 706 rotates to control the rotation of the half gear 705. The half gear 705 is engaged with the driven gear 704. The driving shaft 701 drives the disc 702 and the connecting rod 703 to move the connecting column 605. The connecting column 605 drives the central shaft 602 to move downward along the track 403 through the stop block 604. At this time, the traction sleeve 601 flips downward with the central shaft 602 as the center, making the flexible screening plate 501 V-shaped. At this time, the fallen leaves and impurities gather towards the middle. When the half gear 705 is disengaged from the driven gear 704, the spring 609 drives the central shaft 602 to reset. At this time, the flexible screening plate 501 rebounds and resets. The impact force generated loosens the fallen leaf layer, and cooperates with the negative pressure of the suction component 300 to suck the fallen leaves into the channel 402 and into the shell 100, and is crushed by the crushing component 200. At the same time, the motor 707 drives the rotating shaft 706 to rotate, and the connecting shaft 803 is rotated through the transmission part 804. The screen drum 801 rotates and the air holes 802 form suction under the negative pressure airflow, so that the fallen leaves are pressed against the outer wall of the screen drum 801 under the action of the suction force. As the screen drum 801 rotates, they are transported into the shell 100. At the same time, the lever 805 continuously stirs the fine impurities entering the screen drum 801. When the impurity discharge port 806 of the screen drum 801 is aligned with the impurity outlet 404 of the hopper 401, the impurities are discharged from the hopper 401 through the impurity discharge port 806 and the impurity outlet 404 under the action of the lever 805, completing the secondary impurity separation.

[0033] The present invention provides a garden fallen leaf recycling and processing method based on environmental pollution control, which uses a garden fallen leaf recycling and processing device, comprising the following steps: Step 1: Put the fallen leaves into the hopper 401, and the impurities are screened and discharged through the flexible screening plate 501. At the same time, the flexible screening plate 501 bends under the action of the rebound mechanism 600; Step 2: The motor 707 drives the half gear 705 and the driven gear 704 to move the central shaft 602 downward, and the traction sleeve 601 flips to make the flexible screening plate 501 into a V shape; Step 3: The half gear 705 is disengaged from the driven gear 704, the second spring 609 is reset to drive the flexible screening plate 501 to rebound, and the suction component 300 sucks the bounced fallen leaves into the crushing chamber; Step 4: The sieve drum 801 rotates and screens the fallen leaves and impurities again through the air holes 802; Step 5: The fallen leaves entering the crushing chamber are crushed by the crushing assembly 200 and finally discharged outward through the suction assembly 300.

[0034] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should all be included in the scope of the claims of the present invention.

Claims

1. A garden leaf recycling and processing device based on environmental pollution control, comprising: case; A crushing assembly is disposed in the shell; The material suction component is arranged on one side of the shell and is connected to the shell; It is characterized by further comprising: A feeding device is provided on the housing, the feeding device comprising a hopper and a channel located on one side of the hopper, the channel being in continuous communication with the housing; The screening unit is arranged in the hopper, and the screening unit includes a flexible screening plate, a reel and a bracket. The flexible screening plate is arranged in the hopper, and the left and right sides of the flexible screening plate extend to the outside of the hopper. The left and right ends of the flexible screening plate are fixedly connected to the corresponding reels and wound around the outer circumference of the reel. The two ends of the reel are respectively rotatably connected to the corresponding brackets, and the bracket is fixed on the hopper. The two ends of the reel are respectively provided with torsion springs, and the two ends of the reel are also fixedly installed with baffles, which are located on the inner side of the torsion spring. The front and rear positions of the bottom of the flexible screening plate are symmetrically provided with rebound mechanisms, and the rebound mechanism makes the flexible screening plate bend downward and then rebound to its original position.

2. The garden fallen leaf recycling and processing equipment based on environmental pollution control according to claim 1 is characterized in that: Each group of the rebound mechanism includes two groups of traction sleeve rods fixed at the bottom of the flexible screening plate, a central axis is rotatably connected in the hopper, and the adjacent ends of the two groups of traction sleeve rods are rotatably sleeved on the central axis, and blocks are symmetrically fixed on the central axis, and a connecting column is fixed on the block, a sleeve column is fixed in the hopper, and the connecting column is inserted into the sleeve column, a convex rod is fixed on the connecting column, a cross bar is fixed on the sleeve column, and a spring 2 is arranged between the cross bar and the convex rod.

3. The garden fallen leaf recycling and processing equipment based on environmental pollution control according to claim 2 is characterized in that: A driving mechanism is provided at the bottom end of the connecting column, which includes a shaft arranged to rotate along the front-back direction of the hopper, a disc symmetrically fixed on the shaft, and a connecting rod hinged between the edge of the disc and the connecting column; The hopper is provided with a track for the central axis to move up and down, which drives the shaft to rotate and drives the connecting column to move up and down through the disc and the connecting rod, so that the central axis slides along the track, and the traction sleeve is flipped to make the flexible screening plate deform into a V shape and then rebound to reset.

4. The garden fallen leaf recycling and processing equipment based on environmental pollution control according to claim 3 is characterized in that: The driving mechanism further comprises a driven gear fixed on the shaft, a half gear meshing with the driven gear, and a motor, wherein the half gear is rotatably connected to the hopper via a rotating shaft, and the output end of the motor is fixed to the rotating shaft.

5. The garden fallen leaf recycling and processing equipment based on environmental pollution control according to claim 4 is characterized in that: An auxiliary unit is provided in the feeding equipment, which includes a sieve drum arranged at the connection between the hopper and the channel and a plurality of groups of air holes opened at equal intervals along the circumferential direction of the sieve drum. The sieve drum is rotatably connected to the hopper through a connecting shaft, one end of the connecting shaft passes through the outside of the hopper, and a transmission part is provided between the sieve drum and the rotating shaft.

6. The garden fallen leaf recycling and processing equipment based on environmental pollution control according to claim 2 is characterized in that: The two groups of traction sleeve rods are both provided with a telescopic unit at one end opposite to the other. The telescopic unit includes an extension rod, one end of the extension rod is hinged in the hopper, and the other end of the extension rod is movably inserted in the corresponding traction sleeve rod.

7. The garden fallen leaf recycling and processing equipment based on environmental pollution control according to claim 6 is characterized in that: A spring 1 is fixedly connected between the other end of the extension rod and the inner wall of the traction sleeve rod.

8. The garden fallen leaf recycling and processing equipment based on environmental pollution control according to claim 5 is characterized by: A plurality of shifting rods are fixed on the connecting shaft along the circumferential direction, and the shifting rods are evenly distributed along the axial direction of the connecting shaft. A plurality of debris discharge openings are circumferentially provided on the edges of both ends of the screen drum, and a debris outlet corresponding to the debris discharge openings is provided on the hopper.

9. The garden fallen leaf recycling and processing equipment based on environmental pollution control according to claim 4 is characterized in that: A shielding cover is detachably mounted on the outside of the hopper, the shielding cover is arranged outside the motor, and a notch is provided on the shielding cover for the movement of the transmission part.

10. A method for recycling and treating garden fallen leaves based on environmental pollution control, using the garden fallen leaves recycling and treating equipment according to claim 5, characterized in that: The following steps are involved: Step 1: Put the fallen leaves into the hopper, and the impurities are screened and discharged through the flexible screening plate. At the same time, the flexible screening plate bends under the action of the rebound mechanism; Step 2: The motor drives the half gear and the driven gear to move the center shaft downward, and the traction sleeve is turned over to make the flexible screening plate V-shaped; Step 3: The half gear is disengaged from the driven gear, the second spring resets and drives the flexible screening plate to rebound, and the suction component sucks the bounced fallen leaves into the crushing chamber; Step 4: The screen drum rotates and screens the fallen leaves and impurities again through the pores; Step 5: The fallen leaves entering the crushing chamber are crushed by the crushing component and finally discharged outward through the suction component.

Images