Screening device for producing plastic particles from waste agricultural films
The screening device driven by a motor uses an incomplete gear and spring structure to achieve shaking screening of waste agricultural film, which solves the problem of soil impurities in waste agricultural film affecting the quality of plastic particles and achieves efficient screening and dust prevention.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HUNAN SHUNYU NEW MATERIAL TECHNOLOGY CO LTD
- Filing Date
- 2025-04-30
- Publication Date
- 2026-04-10
AI Technical Summary
In existing technologies, waste agricultural film is prone to getting mixed with impurities such as mud during the recycling process, which affects the processing quality of plastic granules.
A screening device comprising a motor, an incomplete gear, a rack and pinion, and a spring structure was designed. The motor drives the filter box to reciprocate, causing the waste agricultural film to shake off the soil and be screened through the filter holes. A protective cover prevents the agricultural film from falling off and dust from spreading.
It effectively removes soil and impurities from waste agricultural film, ensuring the processing quality of plastic granules, reducing dust pollution, and achieving a highly efficient screening effect.
Smart Images

Figure CN224101195U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the screening device field, especially in a kind of screening device for waste agricultural film production plastic particles. BACKGROUND
[0002] The agricultural film is a kind of plastic film used in agricultural production, with various types and functions, and is widely used in agricultural production, and the waste agricultural film refers to the plastic film discarded or remaining after being used in agricultural production.
[0003] In the prior art, in order to reduce the waste of resources, the waste agricultural film is usually recycled and processed into plastic particles, but the waste agricultural film is often mixed with impurities such as soil during recycling, and in order to avoid the influence of the impurities such as soil remaining in the waste agricultural film on the quality of the plastic particles after processing, a screening device for waste agricultural film production plastic particles is needed. UTILITY MODEL CONTENT
[0004] The utility model aims at providing a kind of screening device for waste agricultural film production plastic particles, can carry out screening filtration to waste agricultural film, prevent the influence of the impurities such as soil remaining in waste agricultural film on the quality of plastic particles after processing.
[0005] To achieve the above-mentioned purpose, a kind of screening device for waste agricultural film production plastic particles is provided, including bottom plate, the upper surface of the bottom plate is fixedly connected with multiple support rods, the top end of the support rod is fixedly connected with bearing plate, the inner surface of the bearing plate is fixedly connected with two guide rods, the outer surface of two guide rods is slidably connected with lug, the outer surface of two guide rods is slidably connected with first spring, the upper surface of two guide rods is fixedly connected with the same bearing ring, two positioning grooves are formed in the bearing ring, the inner surface of two positioning grooves is movably connected with positioning block, the upper surface of two positioning blocks is fixedly connected with the same connecting ring, the inner surface of the connecting ring is fixedly connected with filter plate, multiple filter holes are formed in the filter plate, the upper surface of the connecting ring is fixedly connected with filter box, the filter box is movably connected with protective cover.
[0006] The side surface of the bearing plate is fixedly connected with bearing block, the upper surface of the bearing block is fixedly connected with motor, the output end of the motor is fixedly connected with connecting rod, the end away from the motor of the connecting rod is fixedly connected with incomplete gear, the rear surface of the connecting ring is fixedly connected with rack, and the incomplete gear is engaged with the rack.
[0007] According to the screening device for producing plastic particles from waste agricultural film, the front surface of the bearing plate is fixedly connected with two connecting blocks, the inner surfaces of the two connecting blocks are rotatably connected with connecting shafts, the connecting shafts are fixedly connected with baffles, the side surfaces of the baffles are fixedly connected with limiting blocks, the bearing plate is fixedly connected with two bearing boxes, the inner surfaces of the bearing boxes are slidably connected with slide rods, the outer surfaces of the slide rods are fixedly connected with sliding blocks, the outer surfaces of the slide rods are slidably sleeved with second springs, the rear ends of the slide rods are fixedly connected with pull blocks, the front ends of the slide rods are fixedly connected with insertion blocks, and the outer surfaces of the insertion blocks are movably connected with the two insertion grooves respectively.
[0008] According to the screening device for producing plastic particles from waste agricultural film, one end of the second spring is fixedly connected with the rear surface of the sliding block, and the other end of the second spring is fixedly connected with the side inner wall of the bearing box.
[0009] According to the screening device for producing plastic particles from waste agricultural film, the bearing box is provided with a limiting groove, and the outer surface of the sliding block is slidably connected with the limiting groove.
[0010] According to the screening device for producing plastic particles from waste agricultural film, the side surfaces of the baffles are in contact with the bearing plate and the positioning block respectively, and the filter box is fixedly connected with two second handles.
[0011] According to the screening device for producing plastic particles from waste agricultural film, one end of the first spring is fixedly connected with the side surface of the protruding block, and the other end of the first spring is fixedly connected with the side inner wall of the bearing plate.
[0012] According to the screening device for producing plastic particles from waste agricultural film, the bearing plate is provided with a sliding groove, and the outer surface of the protruding block is slidably connected with the sliding groove.
[0013] According to the screening device for producing plastic particles from waste agricultural film, the protective cover is fixedly connected with a plurality of fixed blocks, the filter box is fixedly connected with a plurality of butt blocks, the butt blocks are provided with fixed grooves, the outer surfaces of the fixed blocks are movably connected with the fixed grooves, the upper surface of the protective cover is fixedly connected with two first handles, and the lower surface of the bearing plate is fixedly connected with a discharge hopper.
[0014] The above-mentioned scheme has the beneficial effects of:
[0015] Through the setting of the motor, the incomplete gear, the rack and the first spring and the like, when the appropriate amount of the cut waste agricultural film is added into the filter box, through the starting of the motor, the reciprocating movement of the filter box and the like can be realized, so that the waste agricultural film in the filter box can be shaken back and forth, and then the soil mixed in the filter box can be shaken off, the screening effect is realized, and the quality of the plastic particles after processing is avoided from being affected by the residual soil in the waste agricultural film.
[0016] Through the setting of the protective cover, the upper surface of the filter box can be protected, the waste agricultural film is prevented from being shaken off from the upper surface of the filter box to the external environment during the shaking process, and dust is also prevented from floating from the upper surface of the filter box to the processing workshop, and the flying of the dust is reduced.
[0017] The additional aspects and advantages of the present application will be partially given in the following description, some will become apparent from the following description, or will be understood by those skilled in the art through the practice of the present application. BRIEF DESCRIPTION OF DRAWINGS
[0018] The present application will be further described below in combination with the drawings and examples;
[0019] Figure 1 It is a whole structure schematic view of the screening device for the waste agricultural film producing plastic particles of the present application;
[0020] Figure 2 It is a structure schematic view of the bearing block part of the screening device for the waste agricultural film producing plastic particles of the present application;
[0021] Figure 3 It is a structure schematic view of the discharge hopper section of the screening device for the waste agricultural film producing plastic particles of the present application;
[0022] Figure 4 It is a structure schematic view of the bearing ring section of the screening device for the waste agricultural film producing plastic particles of the present application;
[0023] Figure 5 It is a structure schematic view of the bearing plate section of the screening device for the waste agricultural film producing plastic particles of the present application;
[0024] Figure 6 It is a structure schematic view of the Figure 5 It is a structure schematic view of the enlarged part of A in the present application;
[0025] Figure 7 It is a structure schematic view of the baffle section of the screening device for the waste agricultural film producing plastic particles of the present application;
[0026] Figure 8The utility model relates to a kind of butt joint block section structure diagram of screening device for waste agricultural film production plastic particles.
[0027] Legend:
[0028] 1, base plate; 2, support rod; 3, bearing plate; 4, guide rod; 5, protruding block; 6, first spring; 7, bearing ring; 8, positioning groove; 9, positioning block; 10, connecting ring; 11, filter plate; 12, filter hole; 13, filter box; 14, protective cover; 15, bearing block; 16, motor; 17, connecting rod; 18, incomplete gear; 19, rack; 20, connecting block; 21, connecting shaft; 22, baffle; 23, limiting block; 24, bearing box; 25, sliding rod; 26, sliding block; 27, second spring; 28, pull block; 29, plug block; 30, insertion slot; 31, fixed block; 32, butt joint block; 33, fixed slot; 34, first handle; 35, second handle; 36, blanking hopper; 37, limiting slot; 38, sliding slot. DETAILED DESCRIPTION
[0029] This part will describe the specific embodiments of the utility model in detail, the preferred embodiment of the utility model is shown in the drawings, the role of the drawings is to supplement the description of the written part with graphics, so that people can intuitively and visually understand each technical feature and overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.
[0030] Reference Figures 1-8The utility model discloses an embodiment of a kind of screening devices for abandoned agricultural film production plastic particles, it includes bottom plate 1, the upper surface of bottom plate 1 is fixedly connected with multiple support rods 2, the top of support rod 2 is fixedly connected with bearing plate 3, the inner surface of bearing plate 3 is fixedly connected with two guide rods 4, the outer surface of two guide rods 4 is slidably connected with lug 5, the outer surface of two guide rods 4 is slidably sleeved with first spring 6, one end of first spring 6 is fixedly connected with the side surface of lug 5, the end of first spring 6 away from lug 5 is fixedly connected with the side inner wall of bearing plate 3, the upper surface of two guide rods 4 is fixedly connected with same bearing ring 7, bearing ring 7 is opened with two locating grooves 8, the inner surface of two locating grooves 8 is movably connected with locating block 9, the upper surface of two locating blocks 9 is fixedly connected with same connecting ring 10, the inner surface of connecting ring 10 is fixedly connected with filter plate 11, multiple filter holes 12 are opened on filter plate 11, the upper surface of connecting ring 10 is fixedly connected with filter box 13, filter box 13 is movably connected with protective cover 14, filter box 13 is fixedly connected with two second handles 35, the upper surface of protective cover 14 is fixedly connected with two first handles 34, by first handle 34, protective cover 14 can be provided with a force point, to facilitate the operation of taking protective cover 14, and by second handle 35, filter box 13 can be provided with a force point, to facilitate the operation of taking filter box 13.
[0031] The side surface of the bearing plate 3 is fixedly connected with a bearing block 15, the upper surface of the bearing block 15 is fixedly connected with a motor 16, the output end of the motor 16 is fixedly connected with a connecting rod 17, the end, away from the motor 16, of the connecting rod 17 is fixedly connected with an incomplete gear 18, the rear surface of the connecting ring 10 is fixedly connected with a rack 19, the incomplete gear 18 is engaged with the rack 19, the bearing plate 3 is provided with a sliding groove 38, the outer surface of the protruding block 5 is slidingly connected with the sliding groove 38, through the setting of the sliding groove 38, the moving direction of the protruding block 5 and the structure on the protruding block 5 can be limited, so that it will not deviate in other directions, the front surface of the bearing plate 3 is fixedly connected with two connecting blocks 20, the inner surfaces of the two connecting blocks 20 are both rotationally connected with connecting shafts 21, the two connecting shafts 21 are both fixedly connected with baffles 22, the side surfaces of the two baffles 22 are respectively in contact with the bearing plate 3 and the positioning block 9, the side surfaces of the two baffles 22 are both fixedly connected with limiting blocks 23, the bearing plate 3 is fixedly connected with two bearing boxes 24, the inner surfaces of the two bearing boxes 24 are both slidingly connected with sliding rods 25, the outer surfaces of the two sliding rods 25 are both fixedly connected with sliding blocks 26, the outer surfaces of the two sliding rods 25 are both slidingly sleeved with second springs 27, one end of the second spring 27 is fixedly connected with the rear surface of the sliding block 26, the end, away from the sliding block 26, of the second spring 27 is fixedly connected with the side inner wall of the bearing box 24, the rear ends of the two sliding rods 25 are both fixedly connected with pull blocks 28, the front ends of the two sliding rods 25 are both fixedly connected with plug blocks 29, the two limiting blocks 23 are both provided with plug grooves 30, the outer surfaces of the two plug blocks 29 are respectively movably connected with the two plug grooves 30, the bearing box 24 is provided with a limiting groove 37, the outer surface of the sliding block 26 is slidingly connected with the limiting groove 37, a plurality of fixed blocks 31 are fixedly connected with the protective cover 14, a plurality of butt blocks 32 are fixedly connected with the filter box 13, the butt block 32 is provided with a fixed groove 33, the outer surface of the fixed block 31 is movably connected with the fixed groove 33, the lower surface of the bearing plate 3 is fixedly connected with a lower hopper 36, through the setting of the lower hopper 36, the falling earth impurities can be guided, so as to prevent it from falling at will.
[0032] Working principle: by lifting the first handle 34, the protective cover 14 and the structure on the protective cover 14 can be removed from the device as a whole, then add the right amount of waste agricultural film after slitting into the filter box 13, at this time, the fixed block 31 on the protective cover 14 is inserted into the fixed groove 33 in the butt block 32 through the first handle 34, realize the connection between the protective cover 14 and the device as a whole, then take a storage basin or other storage container and place it at the bottom of the hopper 36, at this time, start the motor 16 on the bearing block 15, make the started motor 16 can drive the connecting rod 17 and the incomplete gear 18 to rotate, so that the rotating incomplete gear 18 can drive the meshing rack 19 and the structure on the rack 19 to move, when the moving rack 19 drives the bearing ring 7, the connecting ring 10 and other structures to move, the moving bearing ring 7 drives the lug 5 to slide on the guide rod 4, and the lug 5 gradually extrudes the first spring 6 in the moving process, so that the first spring 6 is in the state of tension, when the gear on the incomplete gear 18 rotates to not engage with the rack 19, the first spring 6 is no longer limited to rebound, at this time, the rebounding first spring 6 drives the lug 5, the bearing ring 7, the connecting ring 10 and other structures on the connecting ring 10 to move, when the gear on the incomplete gear 18 rotates again and engages with the rack 19, it will drive the connecting ring 10 and the structure on the connecting ring 10 to move again and make the first spring 6 in the state of tension, when the gear on the incomplete gear 18 rotates to not engage with the rack 19, the first spring 6 is no longer limited to rebound, after reciprocating, the filter box 13 and other structures can move back and forth, and because there is waste agricultural film in the filter box 13, the waste agricultural film can move back and forth in the filter box 13, so that the soil mixed in the waste agricultural film can be shaken off, and fall through the filter hole 12 on the filter plate 11 into the hopper 36, and then fall into the collection container placed before, or not contact with the hopper 36 directly into the collection container, realize the screening work of waste agricultural film, and under the action of the protective cover 14, the upper part of the connecting ring 10 can play a protective role, prevent the waste agricultural film from falling from the upper part of the filter box 13, when the screening work is finished, turn off the motor 16, pull the pull block 28, make the moving pull block 28 drive the slide rod 25, the slide block 26 and the plug block 29 to move at the same time, and the slide block 26 will gradually extrude the second spring 27 in the process of moving in the limiting groove 37, so that the second spring 27 is in the state of tension, when the moving plug block 29 is separated from the plug slot 30 and does not affect the turning of the baffle 22 and the limiting block 23, turn the limiting block 23, make the limiting block 23 and the baffle 22 turn around the connecting shaft 21 in the connecting block 20 as the center shaft, when the baffle 22 and the limiting block 23 turn to the other side, at this time, the plug slot 30 after turning does not correspond to the plug block 29, then release the pull of the pull block 28,The second spring 27 is no longer limited to rebound, and the rebounding second spring 27 can drive the slide rod 25, the sliding block 26, the pull block 28 and the plug block 29 to move to reset, and then the other side is operated again. The operation described above can release the fixing of the filter box 13. At this time, the second handle 35 is lifted upward, and the filter box 13 and the structure on the filter box 13 can be removed from the device as a whole. Then, the first handle 34 is lifted to remove the protective cover 14 from the filter box 13. The screened waste agricultural film in the filter box 13 can be processed subsequently. When the filter box 13 and the device are connected as a whole, the positioning block 9 is inserted into the positioning groove 8, and then the pull block 28 is pulled to move the slide rod 25, the sliding block 26, the plug block 29 and make the second spring 27 in a taut state. When the moving plug block 29 does not affect the flipping of the baffle 22 and the limiting block 23, the limiting block 23 is flipped in the opposite direction, and the baffle 22 and the limiting block 23 are flipped in the opposite direction with the connecting shaft 21 as the center axis. When the flipped baffle 22 contacts the bearing plate 3 and the positioning block 9, and the flipped plug slot 30 corresponds to the plug block 29, the pull block 28 is released, the second spring 27 is no longer limited to rebound, and the rebounding second spring 27 drives the slide rod 25, the sliding block 26, the pull block 28 and the plug block 29 to move to reset. When the moving plug block 29 is inserted into the plug slot 30, the operation described above is performed again on the other side. Since the baffle 22 is in contact with the positioning block 9, the positioning block 9 and the structure on the positioning block 9 can be fixed, and the connection and fixing between the filter box 13 and the device as a whole are completed.
[0033] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the purpose of the utility model.
Claims
1. A screening device for producing plastic pellets from waste agricultural film, comprising: The bottom plate (1) is characterized in that the upper surface of the bottom plate (1) is fixedly connected with a plurality of support rods (2), the top end of the support rod (2) is fixedly connected with a bearing plate (3), the inner surface of the bearing plate (3) is fixedly connected with two guide rods (4), the outer surface of the two guide rods (4) is slidably connected with a protrusion (5), the outer surface of the two guide rods (4) is slidably sleeved with a first spring (6), the upper surface of the two guide rods (4) is fixedly connected with the same bearing ring (7), the bearing ring (7) is provided with two positioning grooves (8), the inner surface of the two positioning grooves (8) is movably connected with a positioning block (9), the upper surface of the two positioning blocks (9) is fixedly connected with the same connecting ring (10), the inner surface of the connecting ring (10) is fixedly connected with a filter plate (11), a plurality of filter holes (12) are formed in the filter plate (11), the upper surface of the connecting ring (10) is fixedly connected with a filter box (13), and the filter box (13) is movably connected with a protective cover (14). The side surface of the bearing plate (3) is fixedly connected with a bearing block (15), the upper surface of the bearing block (15) is fixedly connected with a motor (16), the output end of the motor (16) is fixedly connected with a connecting rod (17), the end of the connecting rod (17) away from the motor (16) is fixedly connected with an incomplete gear (18), the rear surface of the connecting ring (10) is fixedly connected with a rack (19), and the incomplete gear (18) is engaged with the rack (19).
2. The screening device for producing plastic particles from waste agricultural film according to claim 1, characterized in that, The front surface of the bearing plate (3) is fixedly connected with two connecting blocks (20), the inner surface of the two connecting blocks (20) is rotatably connected with a connecting shaft (21), the two connecting shafts (21) are fixedly connected with a baffle (22), the side surface of the two baffles (22) is fixedly connected with a limiting block (23), the bearing plate (3) is fixedly connected with two bearing boxes (24), the inner surface of the two bearing boxes (24) is slidably connected with a sliding rod (25), the outer surface of the two sliding rods (25) is fixedly connected with a sliding block (26), the outer surface of the two sliding rods (25) is slidably sleeved with a second spring (27), the rear end of the two sliding rods (25) is fixedly connected with a pulling block (28), the front end of the two sliding rods (25) is fixedly connected with an insertion block (29), two insertion slots (30) are formed in the two limiting blocks (23), and the outer surface of the two insertion blocks (29) is movably connected with the two insertion slots (30) respectively.
3. The screening device for producing plastic particles from waste agricultural film according to claim 2, characterized in that, One end of the second spring (27) is fixedly connected with the rear surface of the sliding block (26), and the end of the second spring (27) away from the sliding block (26) is fixedly connected with the side inner wall of the bearing box (24).
4. The screening device for producing plastic particles from waste agricultural films according to claim 2, characterized in that, A limiting slot (37) is formed in the bearing box (24), and the outer surface of the sliding block (26) is slidably connected with the limiting slot (37).
5. The screening device for producing plastic particles from waste agricultural film according to claim 2, wherein The side surface of the baffle (22) is respectively in contact with the bearing plate (3) and the positioning block (9), and the filter box (13) is fixedly connected with two second handles (35).
6. The screening device for producing plastic particles from waste agricultural film according to claim 1, wherein One end of the first spring (6) is fixedly connected with the side surface of the protrusion (5), and the other end of the first spring (6) is fixedly connected with the side inner wall of the bearing plate (3).
7. The screening device for producing plastic particles from waste agricultural film according to claim 1, characterized in that, A sliding groove (38) is formed in the bearing plate (3), and the outer surface of the protrusion (5) is in sliding connection with the sliding groove (38).
8. The screening device for producing plastic particles from waste agricultural film according to claim 1, characterized in that, A plurality of fixed blocks (31) are fixedly connected to the protective cover (14), a plurality of butt blocks (32) are fixedly connected to the filter box (13), a fixing groove (33) is formed in the butt block (32), the outer surface of the fixed block (31) is in movable connection with the fixing groove (33), two first handles (34) are fixedly connected to the upper surface of the protective cover (14), and a lower hopper (36) is fixedly connected to the lower surface of the bearing plate (3).