Cylinder screen capable of discharging cleanly
By setting up a clean section under the undersize collector of the cylindrical screen and connecting and fixing the clean section at the discharge end ring, combined with the main air duct and dust collector, the dust problem during the discharge process of the cylindrical screen is solved, achieving efficient dust removal and stable operation, and extending the equipment life.
Patent Information
- Application Number
- CN202423316022.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2034-12-31
AI Technical Summary
Existing cylindrical screens generate dust during the discharge process, resulting in a harsh production environment, reduced equipment performance and shortened service life, while also exhibiting poor screening accuracy.
A first clean section is set under the undersize collector, and a second clean section is rotatably connected and fixed at the discharge end ring. The dust collector is connected through the main air duct to achieve dust removal at the discharge port. A 3D screen and a belt dust collector are used for efficient dust removal.
It effectively removes dust from the discharge port, improves the cleanliness of the production site, protects workers' health, extends equipment life, and ensures stable equipment operation.
Smart Images

Figure CN223733276U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the garbage sorting field especially relates to a cylindrical screen with clean discharge. BACKGROUND
[0002] At present, city decoration garbage and domestic garbage treatment is increasingly important, at present, garbage is bagged and uniformly recycled, and then bagged garbage is mechanically treated and sorted, wherein the cylindrical screen is an important bag breaking and primary sorting equipment, the bag breaking cutter rotates to cut the garbage bag, the rotating screen cylinder screens fine materials and discharges from the lower end, and large materials are discharged from the outlet end, which has the following defects: firstly, dust is mixed in the large material outlet and the small material outlet, and in the self-weight discharging process, dust flies to form a large amount of dust, which causes a very poor production environment, affects the health of workers, and dust enters important electronic components of the equipment, causing performance degradation or even failure of the equipment, and shortening the service life of the machine; secondly, the screened material contains a large amount of dust, the screening precision is poor, and subsequent sorting also produces dust problems. SUMMARY
[0003] In order to solve one or more of the above problems, the utility model provides a cylindrical screen with clean discharge.
[0004] According to one aspect of the utility model, the cylindrical screen with clean discharge comprises an outer cover, a rotating screen cylinder, a first clean part, a second clean part and a rack.
[0005] The outer cover is fixed on the rack, and the lower end of the outer cover is provided with a screen under material collector.
[0006] The rotating screen cylinder is rotatably installed on the rack and located in the outer cover, a small size material moving cavity is formed between the rotating screen cylinder and the outer cover, the left end of the rotating screen cylinder is provided with a feeding end ring extending out of the outer cover, and the right end of the rotating screen cylinder is provided with a discharging end ring extending out of the outer cover.
[0007] The dust removal ring of the first clean part is horizontally installed at the discharging port of the screen under material collector, the horizontal inner ring wall of the dust removal ring is provided with a dust suction port, and the outer ring wall of the dust removal ring is connected with the main air pipe through the first air extraction pipe.
[0008] The support seat of the cleaner of the second clean part is fixedly connected to the right side of the rack, the fixed end ring at the upper end of the support seat is vertically placed and rotatably connected with the discharging end ring, the clean ring is installed at the front end of the fixed end ring, the vertical inner ring wall of the clean ring is provided with a clean port, and the lower ring wall of the clean ring is connected with the main air pipe through the second air extraction pipe.
[0009] The rear end of the main air pipe is connected with the dust remover, and the rear end outlet of the dust remover is provided with a main fan.
[0010] In some embodiments, the screen under material collector is in an inverted trapezoidal structure, the dust removal ring is in a rectangular ring, and the dust suction port is a rectangular ring hole or a circular hole arranged in a rectangular array in the inner ring wall of the dust removal ring.
[0011] In some embodiments, the inner hole of the fixed end ring is installed with a large bearing, and the inner hole of the large bearing is connected with the outer wall of the discharge end ring through a shaft sleeve.
[0012] In some embodiments, the vertical inner ring wall of the clean ring is provided with a circular arc type clean port or a plurality of circular holes with equal angles on the upper end and both sides.
[0013] In some embodiments, the lower end and both sides of the vertical inner ring wall of the clean ring are sleeved with a buffer plate.
[0014] In some embodiments, the buffer plate is a rubber plate.
[0015] In some embodiments, the outer ring wall of the clean ring is provided with a vertical first straight joint connected with a second air suction pipe; the outer ring wall of the dust removal ring is provided with a horizontal second straight joint on the right side connected with a first air suction pipe; the first air suction pipe and the second air suction pipe are communicated with the dust collector through a three-way joint.
[0016] In some embodiments, the upper end of the feed end ring is connected with an upper feed pipe, the lower end of the discharge end ring is provided with a large material conveying belt conveyor, and the lower end of the undersize collector is provided with a small material conveying belt conveyor.
[0017] In some embodiments, a plurality of 3D screens are arranged on the rotary screen cylinder, each 3D screen is provided with an inner screen, an outer screen and a 3D mesh fixed between the inner screen and the outer screen, and the outer end of the outer screen is provided with a concentric arc material baffle.
[0018] In some embodiments, the dust collector is a cloth belt type dust collector, and the filter bag is provided with a pulse air nozzle for reverse blowing to shake the material, so that the material falls and is discharged from the lower port.
[0019] The rear end of the main air blower is connected with a high clean pipe.
[0020] The cylindrical screen for clean discharge is provided with a first clean part below the undersize collector, a second clean part fixedly connected with the rotating discharge end ring, and the two are communicated with the dust collector through a main air pipe, so as to realize dust removal and clean discharge. Its beneficial effects are: first, the setting effectively removes the dust at the discharge port of large materials, small materials and the like, realizes the cleanization of materials, and the production site and subsequent sorting operation are clean, the air is good, the machine equipment is not affected and runs well, the service life is long, and the health of workers is effectively protected; second, the second clean part is a fixed point relative to the rotating point, which effectively solves the dust removal problem of the rotating end and avoids the pipeline interference problem caused by rotation. The structure is simple, the operation is safe and stable without interference, the dust removal effect is good. BRIEF DESCRIPTION OF DRAWINGS
[0021] Figure 1It is a front view schematic diagram of a cylinder screen with clean discharge according to one embodiment of the present application.
[0022] Figure 2 It is a front view schematic diagram of a cylinder screen with clean discharge according to one embodiment of the present application. Figure 1
[0023] Figure 3 It is a front view schematic diagram of a cylinder screen with clean discharge according to one embodiment of the present application. Figure 2
[0024] Figure 4 It is a front view schematic diagram of a cylinder screen with clean discharge according to one embodiment of the present application. Figure 2
[0025] Figure 5 It is a front view schematic diagram of a cylinder screen with clean discharge according to one embodiment of the present application. Figure 1
[0026] Figure 6 It is a front view schematic diagram of a cylinder screen with clean discharge according to one embodiment of the present application. Figure 5
[0027] Figure 7 It is a front view schematic diagram of a cylinder screen with clean discharge according to one embodiment of the present application. Figure 1
[0028] Figure 8 It is a front view schematic diagram of a cylinder screen with clean discharge according to one embodiment of the present application. Figure 1
[0029] Cover 1, feed end ring 11, discharge end ring 12, upper feed pipe 13.
[0030] Rotary screen drum 2, 3D screen mesh 20, inner screen mesh 21, outer screen mesh 22, 3D mesh hole 23, material baffle 24.
[0031] First clean part 3, dust removal ring 31, dust suction port 310, first suction pipe 32.
[0032] Second clean part 4, cleaner 41, support seat 410, fixed end ring 411, clean ring 412, clean port 413, large bearing 414, second suction pipe 42, buffer plate 43.
[0033] Frame 5.
[0034] Driving part 6, driving motor 60, double friction supporting roller 61.
[0035] Main air pipe 7, three-way joint 71.
[0036] Main air blower 8, dust remover 9, high clean pipe 10.
[0037] Large material conveying belt conveyor 14, small material conveying belt conveyor 15, screen under material collector 16. DETAILED DESCRIPTION
[0038] The utility model will be explained further in detail below in combination with the drawings. It should be noted that the words "front", "back", "left", "right", "up" and "down" used in the following description refer to the directions in the drawings, and the words "inner" and "outer" refer to the directions towards or away from the geometric center of a specific component.
[0039] Figures 1 to 8 A kind of discharge clean cylindrical screen according to an embodiment of the utility model is schematically shown. As shown in the figure, the discharge clean cylindrical screen includes: outer cover 1, rotating screen cylinder 2, first clean part 3, second clean part 4 and rack 5;
[0040] Outer cover 1 is fixed on rack 5, and the lower end of outer cover 1 is provided with a screen under-collector 16;
[0041] Rotating screen cylinder 2 is rotatably installed on rack 5 and located entirely within outer cover 1, and a small-size material moving cavity is formed between rotating screen cylinder 2 and outer cover 1. The left end of rotating screen cylinder 2 is provided with a feed end ring 11 extending out of outer cover 1, and the right end is provided with a discharge end ring 12 extending out of outer cover 1.
[0042] The dust removal ring 31 of the first clean part 3 is horizontally installed at the discharge port of the screen under-collector 16. The horizontal inner ring wall of the dust removal ring 31 is provided with a dust suction port 310, and the outer ring wall of the dust removal ring 31 is connected to the main air pipe 7 through a first air suction pipe 32. Preferably, the screen under-collector 16 has an inverted trapezoidal structure, and the dust removal ring 31 is a rectangular ring. The dust suction port 310 is a rectangular hole in the inner ring wall of the dust removal ring 31 or a circular hole arranged in a rectangular array. This arrangement has good suction force and can efficiently remove dust.
[0043] The support seat 410 of the cleaner 41 of the second clean part 4 is fixedly connected to the right side of the rack 5. The fixed end ring 411 at the upper end of the support seat 410 is vertically placed and rotatably connected to the discharge end ring 12. Preferably, the inner hole of the fixed end ring 411 is provided with a large bearing 414, and the inner hole shaft sleeve of the large bearing 414 is connected to the outer wall of the discharge end ring 12. This arrangement can realize good relative movement, so that the fixed end ring 411 and the clean ring 4 thereon remain stationary when the discharge end ring 12 rotates.
[0044] The clean ring 412 is installed at the front end of the fixed end ring 411. The vertical inner ring wall of the clean ring 412 is provided with a clean port 413, and the lower ring wall of the clean ring 412 is connected to the main air pipe 7 through a second air suction pipe 42.
[0045] The rear end of the main air pipe 7 is connected to the dust collector 9, and the rear outlet of the dust collector 9 is provided with a main air fan 8.
[0046] The clean discharge cylinder screen is characterized in that: a first clean part 3 is arranged below the underflow collector 16, a second clean part 4 is rotatably connected at the rotating discharge end ring 12, and the two are communicated with the dust collector 9 through the main air pipe 7, so as to realize dust removal and clean discharge. The beneficial effects are: first, the setting effectively removes dust at the discharge port of large materials and small materials, realizes clean material, and the workshop is clean, the air is good, the machine equipment is not affected and runs well, the service life is long, and the health of workers is effectively protected; second, the second clean part 4 is a fixed point relative to the rotating point, which effectively solves the dust removal problem of the rotating end and avoids the pipeline interference problem caused by rotation. The structure is simple, the operation is safe and stable without interference, the dust removal effect is good.
[0047] Further, the vertical inner ring wall of the clean ring 412 is provided with a circular arc type clean port 413 or a plurality of circular holes with equal angles at the upper end and both sides. The beneficial effects are: the clean ring 412 effectively removes dust from the upper end.
[0048] Further, the lower end and both sides of the vertical inner ring wall of the clean ring 412 are sleeved with a buffer plate 43. The beneficial effects are: the setting of the buffer plate 43 can reduce the impact load on the clean ring 412 and avoid the eccentric problem caused by long-term use.
[0049] Preferably, the buffer plate 43 is a rubber plate. The buffer plate 43 is integrally injection molded on the lower end and both sides of the vertical inner ring wall of the clean ring 412 or is integrally connected through threaded parts. The beneficial effects are: the setting has a simple structure and good elasticity.
[0050] Further, the outer ring wall of the clean ring 412 is provided with a vertical first straight joint, and the first straight joint is connected with the second air suction pipe 42.
[0051] The outer ring wall of the dust removal ring 31 is provided with a horizontal second straight joint on the right side, and the second straight joint is connected with the first air suction pipe 32.
[0052] The first air suction pipe 32 and the second air suction pipe 42 are communicated with the dust collector 9 through a three-way joint 71. The beneficial effects are: the setting is convenient for pipeline installation, and the overall layout size is small.
[0053] Preferably, it further includes a driving part 6 fixedly installed on the rack 5, the driving part 6 includes four groups of double friction carrier rollers 61, the upper wheel in each group of double friction carrier rollers 61 is directly connected with a driving motor 60, every two groups of double friction carrier rollers 61 are symmetrically distributed in a V shape, and the friction ring grooves at both ends of the rotary screen cylinder 2 are respectively press-contacted with the two groups of double friction carrier rollers 61. The beneficial effects are: the setting can realize good friction rotation.
[0054] Further, the outer end of the feeding end ring 11 is connected with the feeding pipe 13, the lower end of the discharging end ring 12 is provided with the small material conveying belt machine 15, and the lower end of the undersize collector 16 is provided with the small material conveying belt machine 15; the beneficial effect is that the setting is beneficial to automatic sorting.
[0055] Further, the rotating screen cylinder 2 is provided with a plurality of 3D screens 20, each of which is provided with an inner screen 21, an outer screen 22 and a 3D mesh 23 fixed between the two, and the outer end of the outer screen 22 is provided with a concentric arc-shaped material baffle 24; the beneficial effect is that the setting can realize good separation of large and small materials.
[0056] Preferably, the dust collector 9 is a cloth belt type dust collector, which is provided with a pulse air nozzle on the filter bag to blow and shake the material in the reverse direction, so that the material falls and is discharged from the lower port; the beneficial effect is that the setting can realize high-efficiency dust removal.
[0057] The rear end of the main fan 8 is connected with the high-cleanliness pipe 10.
[0058] The above only describes some embodiments of the present application. For those skilled in the art, without departing from the inventive concept, a number of modifications and improvements can be made, which are all within the protection scope of the present application.
Claims
1. A clean-out cylinder screen, characterized in that, The utility model relates to a kind of rotary screen cleaning device, including: Cover (1), rotary screen cylinder (2), first clean part (3), second clean part (4) and rack (5); Cover (1) is fixed on rack (5), and the lower end of cover (1) is provided with screen under-collector (16); Rotary screen cylinder (2) is rotatably installed on rack (5) and is located in cover (1) as a whole, and small size material moving cavity is formed between rotary screen cylinder (2) and cover (1), the left end of rotary screen cylinder (2) is provided with feed end ring (11) that protrudes from cover (1), and the right end is provided with discharge end ring (12) that protrudes from cover (1); The dust removal ring (31) of the first clean part (3) is horizontally installed at the discharge port of the screen under-collector (16), and the horizontal inner wall of the dust removal ring (31) is provided with a dust suction port (310), and the outer wall of the dust removal ring (31) is connected to the main air pipe (7) through the first air extraction pipe (32); The support seat (410) of the cleaner (41) of the second clean part (4) is fixedly connected to the right side of the rack (5), and the fixed end ring (411) at the upper end of the support seat (410) is vertically placed and rotatably connected to the discharge end ring (12), and the clean ring (412) is installed at the front end of the fixed end ring (411), and the vertical inner wall of the clean ring (412) is provided with a clean port (413), and the lower wall of the clean ring (412) is connected to the main air pipe (7) through the second air extraction pipe (42); The rear end of the main air pipe (7) is connected to the dust collector (9), and the main air fan (8) is installed at the rear end outlet of the dust collector (9).
2. A cylindrical screen for clean material discharge according to claim 1, characterized in that The screen under-collector (16) has an inverted trapezoidal structure, the dust removal ring (31) is a rectangular ring, and the dust suction port (310) is a rectangular hole or a circular hole arranged in a rectangular array in the inner wall of the dust removal ring (31).
3. A cylindrical screen for clean material discharge according to claim 1, characterized in that The inner hole of the fixed end ring (411) is provided with a large bearing (414), and the outer wall of the discharge end ring (12) is connected to the inner hole of the large bearing (414) through a shaft sleeve.
4. A clean-out-of-discharge cylindrical screen according to claim 3, wherein, The upper end and both sides of the vertical inner wall of the clean ring (412) are provided with arc-shaped clean ports (413) or a plurality of circular holes distributed at equal angles.
5. A clean-out-of-discharge cylindrical screen according to claim 4, wherein, The lower end and both sides of the vertical inner wall of the clean ring (412) are covered with a buffer plate (43).
6. A clean-out-of-discharge cylindrical screen according to claim 5, wherein, The buffer plate (43) is a rubber plate.
7. A clean-out-of-discharge cylindrical screen according to claim 4, wherein, The outer wall of the clean ring (412) is provided with a vertical first straight joint, the first straight joint is connected to the second air extraction pipe (42), the right side of the outer wall of the dust removal ring (31) is provided with a horizontal second straight joint, the second straight joint is connected to the first air extraction pipe (32), and the first air extraction pipe (32) and the second air extraction pipe (42) are connected to the dust collector (9) through a three-way joint (71).
8. A clean-out-of-discharge cylindrical screen according to claim 1, wherein, The outer end of the feed end ring (11) is connected to an upper feed pipe (13), the lower end of the discharge end ring (12) is provided with a large material conveying belt conveyor (14), and the lower end of the screen under-collector (16) is provided with a small material conveying belt conveyor (15).
9. A clean-out cylinder screen according to any one of claims 1 to 8, characterized in that A plurality of 3D screens (20) are arranged on the rotary screen drum (2), each of which is provided with an inner screen (21), an outer screen (22) and a 3D mesh (23) fixed between the inner screen (21) and the outer screen (22), and the outer screen (22) is provided with a concentric arc-shaped material baffle (24) at the outer end.
10. A clean-out cylinder screen according to any one of claims 1 to 8, characterized in that The dust collector (9) is a cloth belt type dust collector, and a pulse air nozzle is arranged on the filter bag to blow and shake the material in the reverse direction, so that the material falls and is discharged from the lower port. The rear end of the main fan (8) is connected with a high-cleanliness pipe (10).