Dust fall type scrap iron sorting device

Abstract

The invention belongs to the technical field of scrap iron sorting, and discloses a dust fall type scrap iron sorting device which comprises a machine body, a pair of baffles are symmetrically and fixedly connected to the top of the machine body, a conveying belt is installed in an inner cavity of the machine body, and an eddy current sorting machine is fixedly connected to one side of each baffle. Through the double-ball-head arrangement of the ball head rod, when the rotating disc rotates, the ball head rod obliquely rotates around the circumference with the sliding block as the center, the position of the auxiliary sliding block is changed, the ball head rod with the fixed length can be periodically pulled and extruded, and the dust at the bending dead corners of the scrap iron particles can be effectively shaken off; and finally, the ball head rod drives the net plate to achieve the vibration effect, in cooperation with overall rotary stirring of the ball head rod, scrap iron particles in the charging barrel can be fully turned over and shaken, dust at the bending dead corners of the scrap iron particles is effectively shaken off, the difficulty of follow-up dust falling treatment is remarkably reduced, and meanwhile the material sorting efficiency is greatly improved.

Description

Technical Field

[0001] The present invention belongs to the technical field of scrap iron sorting, and specifically relates to a dust-reducing scrap iron sorting device. Background Technique

[0002] During the process of scrap iron sorting, the generation of dust is inevitable. A large amount of metal dust is generated during the processes of crushing, magnetic separation, and eddy current separation of scrap iron. Rust, oil stains, or other impurities attached to the surface of scrap iron will fall off during the sorting process and also form dust. Therefore, it is very necessary to use a dust-reducing scrap iron sorting device.

[0003] However, the existing dust-reducing scrap iron sorting devices still have drawbacks in actual use: In the eddy current sorting process, water mist dust reduction is a commonly used dust adsorption method. To optimize the utilization of water resources, the current method usually limits the dust reduction area to the core sorting area. However, due to the irregular shape of the scrap iron materials, blind spots that are difficult to cover with water mist are easily generated during the conveying process, resulting in dust dispersion. This phenomenon of insufficient contact between water mist and dust not only reduces the effective sedimentation rate of dust but also may cause secondary dust flying, thereby polluting the working environment and ultimately affecting the sorting efficiency. Summary of the Invention

[0004] To solve the problem of insufficient contact between the dust generated by scrap iron and water mist in the above-mentioned background technique, the present invention provides a dust-reducing scrap iron sorting device.

[0005] To achieve the above object, the present invention provides the following technical solution: A dust-reducing scrap iron sorting device, including a machine body, a pair of baffles are symmetrically and fixedly connected to the top of the machine body, a conveyor belt is installed in the inner cavity of the machine body, an eddy current separator is fixedly connected to one side of the baffle, a support frame is fixedly connected to the other side of the baffle, and further includes:

[0006] A vibration mechanism, which is located in the middle of the support frame and is used to tumble and shake the scrap iron particles;

[0007] A dust reduction mechanism, which is arranged on the vibration mechanism;

[0008] A sewage collection mechanism, which is located at the top edge of the baffle;

[0009] Among them, the vibration mechanism includes a turntable, the center of the turntable is rotatably connected to the top of the support frame, a ball head rod for adjusting vibration is ball-joint connected to the bottom edge of the turntable, and the ball head rod is provided with double ball heads.

[0010] Preferably, a driving motor is fixedly connected to the top of the support frame, the output end of the driving motor rotates through the support frame and is fixedly connected to a rotating shaft, the rotating shaft is movably connected to the inner wall of the support frame, and the lower end of the rotating shaft is fixedly connected to the center of the turntable.

[0011] Preferably, a slider is connected to the ball shaft at the bottom of the ball head rod. The outer wall of the slider is slidably connected to a chute plate. A net plate is fixedly connected to the outer wall of the chute plate. A waterproof motor is fixedly connected to the edge of the chute plate. The output end of the waterproof motor is fixedly connected to a threaded rod. The threaded rod is threadedly connected to the slider, and the end of the threaded rod away from the waterproof motor is rotatably connected to the chute plate.

[0012] Preferably, the dust reduction mechanism includes an L-shaped conduit. One side of the L-shaped conduit is fixedly connected to the bottom of the turntable. The other side of the L-shaped conduit is perpendicular to the edge of the turntable. A plurality of water mist nozzles are fixedly connected and communicated to the bottom of the L-shaped conduit. One side of the L-shaped conduit away from the water mist nozzles is fixedly connected to the bottom of the rotating shaft.

[0013] Preferably, a water chamber is provided inside the rotating shaft. A plurality of water inlet holes are equidistantly provided in the middle of the rotating shaft. A water inlet pipe is fixedly connected to the middle of the support frame. The water inlet pipe is communicated with the water chamber through the water inlet holes, and the L-shaped conduit is communicated with the water chamber.

[0014] Preferably, the sewage collection mechanism includes a material cylinder. The outer wall of the material cylinder is fixedly connected to the support frame. The outer wall of the net plate is slidably connected to the inner cavity of the material cylinder. A sewage discharge port is provided at the bottom of the material cylinder.

[0015] Preferably, a feed inlet is fixedly connected and communicated to one side of the upper end of the material cylinder, and a closing assembly is provided on the side wall of the material cylinder.

[0016] Preferably, a first guide plate and a second guide plate are respectively fixedly connected to one side of the machine body close to the material cylinder. The side of the first guide plate close to the machine body abuts against the outer wall of the conveyor belt.

[0017] Preferably, the first guide plate is located above the second guide plate, and the first guide plate and the second guide plate are inclined relative to the machine body.

[0018] Preferably, a plurality of the water mist nozzles are all arranged in the direction of the ball head rod.

[0019] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0020] Through the cooperation of structures such as the ball head rod and the mesh plate, the present invention can effectively shake off the dust in the bending dead corners of scrap iron particles. Due to the double-ball-head setting of the ball head rod, when the turntable rotates, the ball head rod rotates around the circumference with the slider as the center in an inclined manner, assisting in changing the position of the slider. The ball head rod with a fixed length can be periodically pulled and squeezed, and finally the ball head rod drives the mesh plate to achieve a vibrating effect. Combined with the overall rotation and agitation of the ball head rod, the scrap iron particles in the barrel can be fully tumbled and shaken, effectively shaking off the dust in the bending dead corners of the scrap iron particles, significantly reducing the difficulty of subsequent dust reduction treatment, and at the same time greatly improving the material sorting efficiency.

[0021] Through the cooperation of structures such as the water chamber and the L-shaped conduit, the present invention facilitates the spraying of mist onto the surface of scrap iron particles. The water inlet pipe is interconnected with the L-shaped conduit through the water chamber. While the turntable rotates, the L-shaped conduit at the bottom of the turntable also moves synchronously. Therefore, the mist nozzle rotates around the circumference and sprays mist at the same time, enabling the scrap iron particles inside the barrel to receive spray dust reduction, improving the dust reduction efficiency. And at this time, the scrap iron particles are in a continuously shaking and tumbling state, and with the continuous stirring of the ball head rod, the surface mist can be sprayed evenly, enabling the mist to fully combine with the dust to prevent the secondary flying of dust and effectively reducing the dust pollution of the working environment.

[0022] Through the cooperation of structures such as the first guide plate and the mesh plate, the present invention facilitates the dust reduction effect during sorting and avoids dust pollution of the environment. When the scrap iron particles in the barrel tumble and shake, the solid impurities such as sand and gravel can fall to the bottom of the barrel through the mesh holes of the mesh plate, and part of the settled dust converges into sewage, passes through the mesh plate and enters the bottom of the barrel, and then is discharged together from the sewage outlet and introduced into the external collection device through the first guide plate. The impurities attached to the surface of the conveyor belt can also be continuously scraped off by the first guide plate, preventing moisture from seeping into the equipment and causing corrosion of metal parts or damage to electrical components, thereby ensuring the continuous and effective operation of the conveyor belt. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 is a schematic front-sectional structure diagram of the present invention;

[0024] Figure 2 is a schematic three-dimensional structure diagram of the present invention;

[0025] Figure 3 is a schematic diagram of the structural cooperation relationship between the support frame and the baffle of the present invention;

[0026] Figure 4 is a schematic diagram of the structural cooperation relationship between the barrel and the sewage outlet of the present invention;

[0027] Figure 5 is a schematic diagram of the structural cooperation relationship between the conveyor belt and the first guide plate of the present invention;

[0028] Figure 6 Schematic diagram of the structural cooperation relationship between the screen plate and the cartridge of the present invention;

[0029] Figure 7 Schematic diagram of the structural cooperation relationship between the L-shaped conduit and the water mist nozzle of the present invention;

[0030] Figure 8 Schematic diagram of the structural cooperation relationship between the rotating shaft and the water inlet hole of the present invention;

[0031] Figure 9 Schematic diagram of the structural cooperation relationship between the water chamber and the L-shaped conduit of the present invention.

[0032] In the figure:

[0033] 1. Machine body; 2. Eddy current separator; 3. Baffle; 4. Conveyor belt; 5. Support frame; 6. Vibration mechanism; 61. Driving motor; 62. Turntable; 63. Rotating shaft; 64. Ball head rod; 65. Slide block; 66. Screen plate; 67. Threaded rod; 68. Waterproof motor; 69. Chute plate; 7. Dust reduction mechanism; 71. Water inlet pipe; 72. L-shaped conduit; 73. Water mist nozzle; 74. Water inlet hole; 75. Water chamber; 8. Sewage collection mechanism; 81. Feeding port; 82. Sealing assembly; 83. Cartridge; 84. First guide plate; 85. Second guide plate; 86. Sewage discharge port. Detailed implementation manner

[0034] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0035] As Figures 1 to 9 shown, the present invention provides a dust-reducing waste iron sorting device, including a machine body 1, a pair of baffles 3 are symmetrically and fixedly connected to the top of the machine body 1, a conveyor belt 4 is installed in the inner cavity of the machine body 1, an eddy current separator 2 is fixedly connected to one side of the baffle 3, a support frame 5 is fixedly connected to the other side of the baffle 3, and further includes:

[0036] A vibration mechanism 6, the vibration mechanism 6 is located in the middle of the support frame 5 and is used to tumble and shake the waste iron particles;

[0037] A dust reduction mechanism 7, the dust reduction mechanism 7 is arranged on the vibration mechanism 6;

[0038] A sewage collection mechanism 8, the sewage collection mechanism 8 is located at the top edge of the baffle 3;

[0039] Among them, the vibration mechanism 6 includes a turntable 62. The center of the turntable 62 is rotatably connected to the top of the support frame 5. A ball head rod 64 for adjusting vibration is ball-jointed to the bottom edge of the turntable 62. The ball head rod 64 is provided with double ball heads.

[0040] Adopting the above solution: The eddy current separator 2 mainly utilizes the conductivity of metals to separate metals and non-metals through a magnetic field and is commonly used in the waste iron separation process. Pulley wheels are symmetrically sleeved on both sides of the conveyor belt 4, and a motor for driving is provided to ensure the normal operation of the conveyor belt 4. The above are all existing technical structures and will not be elaborated here.

[0041] As Figure 5 shown, a driving motor 61 is fixedly connected to the top of the support frame 5. The output end of the driving motor 61 rotatably penetrates through the support frame 5 and is fixedly connected to a rotating shaft 63. The rotating shaft 63 is movably connected to the inner wall of the support frame 5, and the lower end of the rotating shaft 63 is fixedly connected to the center of the turntable 62.

[0042] As Figure 6 shown, the bottom of the ball head rod 64 is ball-jointed to a slider 65. The outer wall of the slider 65 is slidably connected to a chute plate 69. A net plate 66 is fixedly connected to the outer wall of the chute plate 69. A waterproof motor 68 is fixedly connected to the edge of the chute plate 69. The output end of the waterproof motor 68 is fixedly connected to a threaded rod 67. The threaded rod 67 is threadedly connected to the slider 65, and the end of the threaded rod 67 away from the waterproof motor 68 is rotatably connected to the chute plate 69.

[0043] Adopting the above solution: By driving the threaded rod 67 to rotate through the waterproof motor 68, the slider 65 located on the outer wall of the waterproof motor 68 can axially move within the chute plate 69, and the position of the slider 65 can be changed. Since the length of the ball head rod 64 is fixedly set, as long as the slider 65 is not at the center of the material cylinder 83, when the turntable 62 rotates, it will pull and squeeze the ball head rod 64 up and down reciprocally, so that the net plate 66 is stretched and squeezed up and down synchronously and makes a reciprocating up and down movement. A folding baffle is installed at the top of the chute plate 69 to protect the threaded rod 67 and ensure its use effect. The inner cavity bottom of the material cylinder 83 is set as a funnel-shaped slope for discharging sand and gravel impurities and sewage.

[0044] As Figure 7 shown, the dust reduction mechanism 7 includes an L-shaped conduit 72. One side of the L-shaped conduit 72 is fixedly connected to the bottom of the turntable 62, and the other side of the L-shaped conduit 72 is perpendicular to the edge of the turntable 62. A plurality of water mist nozzles 73 are fixedly connected to the bottom of the L-shaped conduit 72. The side of the L-shaped conduit 72 away from the water mist nozzles 73 is fixedly connected to the bottom of the rotating shaft 63; a plurality of water mist nozzles 73 are all arranged in the direction of the ball head rod 64.

[0045] As Figure 8 and Figure 9As shown in the figure, a water chamber 75 is provided inside the rotating shaft 63. A plurality of water inlet holes 74 are equidistantly provided in the middle of the rotating shaft 63. A water inlet pipe 71 is fixedly connected to the middle of the support frame 5. The water inlet pipe 71 is communicated with the water chamber 75 through the water inlet holes 74. An L-shaped conduit 72 is communicated with the water chamber 75.

[0046] Adopting the above solution: Since the water inlet pipe 71 is communicated with the water chamber 75 through the water inlet holes 74, under the action of external water pressure, water can flow into the water chamber 75. The bottom of the water chamber 75 is also communicated with the L-shaped conduit 72. Therefore, the water inlet pipe 71, the water chamber 75 and the L-shaped conduit 72 are in a mutually communicated state. The length of the L-shaped conduit 72 can be adaptively adjusted according to the actual feeding amount of scrap iron particles.

[0047] As Figure 5 As shown in the figure, the dust collecting mechanism 8 includes a material cylinder 83. The outer wall of the material cylinder 83 is fixedly connected to the support frame 5. The outer wall of the wire mesh plate 66 is slidably connected to the inner cavity of the material cylinder 83. A sewage discharge port 86 is provided at the bottom of the material cylinder 83. One side of the upper end of the material cylinder 83 is fixedly communicated with a feed inlet 81. A closing assembly 82 is provided on the side wall of the material cylinder 83. On one side of the machine body 1 close to the material cylinder 83, a first guide plate 84 and a second guide plate 85 are respectively fixedly connected. The side of the first guide plate 84 close to the machine body 1 abuts against the outer wall of the conveyor belt 4. The first guide plate 84 is located above the second guide plate 85. The first guide plate 84 and the second guide plate 85 are inclined relative to the machine body 1.

[0048] Adopting the above solution: The closing assembly 82 is mainly composed of a discharge port provided at the bottom of the material cylinder 83 and a plug board, which is used for closing and discharging during the dust reduction process of scrap iron particles. The first guide plate 84 can not only be used as a guide plate to guide the dust or sewage discharged from the sewage discharge port 86, but also be used as a scraper to scrape the impurities on the surface of the conveyor belt 4 to maintain the continuous and stable operation of the device. The axes of the material cylinder 83, the turntable 62 and the ball head rod 64 are aligned.

[0049] The working principle and usage process of the present invention:

[0050] First, during sorting, the staff puts the iron scrap particles into the barrel 83 from the feed inlet 81. Starting the drive motor 61 can drive the turntable 62 to rotate through the rotating shaft 63. Therefore, the ball head rod 64 at the bottom of the turntable 62 is also driven to rotate. Since the ball head rod 64 is provided with double ball heads and the bottom of the ball head rod 64 is rotatably connected to the slider 65, when the turntable 62 rotates, the ball head rod 64 rotates around the circumference with the slider 65 as the center in an inclined manner. And start the waterproof motor 68, drive the threaded rod 67 to rotate through the waterproof motor 68, and the slider 65 located on the threaded rod 67 can axially move in the chute plate 69, and the position of the slider 65 can be adjusted. And the length of the ball head rod 64 is fixedly set. Therefore, as long as the slider 65 is not at the center of the barrel 83, when the turntable 62 rotates, it will pull and squeeze the ball head rod 64 up and down, thereby driving the whole screen plate 66 to reciprocate up and down on the inner wall of the barrel 83, and the reciprocating distance can be arbitrarily adjusted within a certain range. When the turntable 62 rotates rapidly, the vibrating effect of the screen plate 66 can be achieved, and the amplitude can be adjusted according to the size or weight of the iron scrap particles. With the overall rotation and agitation of the ball head rod 64, the iron scrap particles in the barrel 83 can be fully tumbled and shaken, effectively shaking off the dust in the bent dead corners of the iron scrap particles, and the solid impurities such as sand and gravel carried on the iron scrap particles can fall to the bottom of the barrel 83 through the mesh holes of the screen plate 66 for the next treatment;

[0051] Secondly, when the rotating shaft 63 rotates, since the water inlet pipe 71 is connected to the water chamber 75 through the water inlet hole 74, under the action of the external water pressure, the water can flow into the water chamber 75. And the bottom of the water chamber 75 is also connected to the L-shaped conduit 72. Therefore, after the water inlet pipe 71 is filled with water, it will enter the L-shaped conduit 72 and finally continuously spray water mist from the water mist nozzle 73. While the turntable 62 rotates, the L-shaped conduit 72 at the bottom of the turntable 62 also moves synchronously. Since the L-shaped conduit 72 is perpendicular to the edge of the turntable 62 and the water mist nozzles 73 are all arranged in the direction of the ball head rod 64, the water mist nozzles 73 will rotate around the circumference and spray water mist at the same time to spray and dust the iron scrap particles inside the barrel 83, improving the dust removal efficiency. And at this time, the iron scrap particles are in a continuously jittering and tumbling state, and with the continuous stirring of the ball head rod 64, the iron scrap particles collide with each other inside the barrel 83, resulting in an increase in the mutual distance. And the water mist nozzles 73 extend vertically through the L-shaped conduit 72, so that the spray can be sprayed into the gaps between the iron scrap particles at different levels and sprayed onto the surface of the iron scrap particles, effectively reducing the generation of spraying dead corners and preventing the secondary flying of dust during sorting;

[0052] Again, the water mist nozzle 73 sprays water mist to reduce the dust on the scrap iron particles. The spray wraps the dust of metal or other impurities and then settles them. Due to the high density of the water mist, some of the dust may be gathered into sewage. The sewage passes through the mesh plate 66 and enters the bottom of the barrel 83. Then, it is discharged from the sewage outlet 86 together with the sand and gravel impurities that the scrap iron particles may carry. Since the first guide plate 84 is located at the bottom of the barrel 83 and is inclined, the sand and gravel and sewage can be introduced into the external collection device together. During the operation of the conveyor belt 4, the scrap iron particles that have been treated with dust reduction are transported. At this time, the outer surface of the particles is attached with the sediment of dust absorbed by the water mist, so it is easy to stick to the surface of the conveyor belt 4, and one side of the first guide plate 84 is in contact with the outer wall of the conveyor belt 4. The impurities attached to the surface of the conveyor belt 4 can be continuously scraped off by the first guide plate 84. Figure 5 As shown, the conveying direction of the conveyor belt 4 is clockwise, so the first guide plate 84 scrapes off the impurities on the conveyor belt 4 and drops them onto the second guide plate 85 for discharge, preventing moisture from penetrating into the interior of the equipment, thereby ensuring the continuous and effective operation of the conveyor belt 4;

[0053] Finally, during the dust reduction process, the scrap iron particles can discharge sand and gravel impurities and sewage from the sewage outlet 86, leaving the scrap iron particles that have been dusted but not yet sorted in the barrel 83. After the scrap iron particles have been dusted inside the barrel 83, the staff releases the closed state of the closing component 82 by pulling the plug of the closing component 82, so that the scrap iron particles in the barrel 83 are discharged from the discharge port of the closing component 82 and reach the conveyor belt 4, and then are transported to the eddy current separator 2 through the conveyor belt 4 for sorting, which effectively improves the dust reduction effect during sorting and avoids dust pollution in the environment.

[0054] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0055] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A dust-reducing waste iron sorting device, comprising a machine body (1), a pair of baffles (3) are symmetrically and fixedly connected to the top of the machine body (1), a conveyor belt (4) is installed in the inner cavity of the machine body (1), an eddy current separator (2) is fixedly connected to one side of the baffle (3), and a support frame (5) is fixedly connected to the other side of the baffle (3), characterized in that: It further includes: A vibration mechanism (6), which is located in the middle of the support frame (5) and is used to tumble and shake the scrap iron particles; A dust reduction mechanism (7), which is arranged on the vibration mechanism (6); A dirt collection mechanism (8), which is located at the top edge of the baffle (3); Among them, the vibration mechanism (6) includes a turntable (62), the center of the turntable (62) is rotatably connected to the top of the support frame (5), and a ball head rod (64) for adjusting vibration is ball-joint connected to the bottom edge of the turntable (62), and the ball head rod (64) is provided with double ball heads.

2. The dust-settling type waste iron sorting device according to claim 1, wherein: A driving motor (61) is fixedly connected to the top of the support frame (5), the output end of the driving motor (61) rotatably penetrates through the support frame (5) and is fixedly connected with a rotating shaft (63), the rotating shaft (63) is movably connected to the inner wall of the support frame (5), and the lower end of the rotating shaft (63) is fixedly connected to the center of the turntable (62).

3. The dust-removing type scrap iron sorting device according to claim 1, wherein: The bottom of the ball head rod (64) is ball-joint connected with a slider (65), the outer wall of the slider (65) is slidably connected with a chute plate (69), a net plate (66) is fixedly connected to the outer wall of the chute plate (69), a waterproof motor (68) is fixedly connected to the edge of the chute plate (69), the output end of the waterproof motor (68) is fixedly connected with a threaded rod (67), the threaded rod (67) is threadedly connected to the slider (65), and the end of the threaded rod (67) away from the waterproof motor (68) is rotatably connected to the chute plate (69).

4. The dust-removing type waste iron sorting device according to claim 1, characterized in that: The dust reduction mechanism (7) includes an L-shaped conduit (72), one side of the L-shaped conduit (72) is fixedly connected to the bottom of the turntable (62), the other side of the L-shaped conduit (72) is perpendicular to the edge of the turntable (62), and a plurality of water mist nozzles (73) are fixedly connected to the bottom of the L-shaped conduit (72), and one side of the L-shaped conduit (72) away from the water mist nozzles (73) is fixedly connected to the bottom of the rotating shaft (63).

5. The dust-removing type waste iron sorting device according to claim 4, wherein: A water chamber (75) is opened inside the rotating shaft (63), a plurality of water inlet holes (74) are equidistantly opened in the middle of the rotating shaft (63), a water inlet pipe (71) is fixedly connected to the middle of the support frame (5), the water inlet pipe (71) is communicated with the water chamber (75) through the water inlet holes (74), and the L-shaped conduit (72) is communicated with the water chamber (75).

6. The dust-settling type waste iron sorting device according to claim 3, characterized in that: The dirt collection mechanism (8) includes a material cylinder (83), the outer wall of the material cylinder (83) is fixedly connected to the support frame (5), the outer wall of the net plate (66) is slidably connected to the inner cavity of the material cylinder (83), and a sewage discharge port (86) is opened at the bottom of the material cylinder (83).

7. The dust-removing type waste iron sorting device according to claim 6, wherein: One side of the upper end of the material cylinder (83) is fixedly communicated with a feed inlet (81), and a closing assembly (82) is arranged on the side wall of the material cylinder (83).

8. The dust-removing type scrap iron sorting device according to claim 6, wherein: A first guide plate (84) and a second guide plate (85) are respectively fixedly connected to one side of the machine body (1) close to the material cylinder (83), and one side of the first guide plate (84) close to the machine body (1) abuts against the outer wall of the conveyor belt (4).

9. The dust-removing type scrap iron sorting device according to claim 8, wherein: The first guide plate (84) is located above the second guide plate (85), and the first guide plate (84) and the second guide plate (85) are arranged obliquely with respect to the machine body (1).

10. The dust-removing type scrap iron sorting device according to claim 4, wherein: A plurality of the water mist nozzles (73) are all arranged in the direction of the ball head rod (64).

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