Iron screening device for tin ore coarse materials

Abstract

The tin ore coarse material iron screening device comprises a screening box, a second filtering plate and a third filtering plate, a mounting groove is formed in the inner wall of the screening box, a discharging opening is formed in the outer wall of the screening box, and a plurality of first vibration springs are evenly installed on the bottom faces, located at the ends of the mounting groove, of the second filtering plate and the third filtering plate. A plurality of second vibration springs are evenly installed on the bottom faces of the ends, located at the discharging port, of the second filter plate and the third filter plate, a driving shaft located between the second filter plate and the third filter plate is installed in an inner cavity of the screening box, rotating rods are symmetrically and fixedly installed on the driving shaft, and knocking blocks are fixedly installed at one ends of the rotating rods. The vibrating screen has the beneficial effects that the first filter plate, the second filter plate and the third filter plate are arranged, the second filter plate and the third filter plate can be driven to perform vibrating screening on the premise that a vibrating motor is not used, the manufacturing cost of the device and the power consumption during use are reduced, and the practicability is higher.

Description

Technical Field

[0001] The utility model relates to the technical field of ore dressing equipment, and specifically, to an iron screening device for tin ore rough materials. Background Technique

[0002] Tin is one of the earliest metals discovered and used by humans. Tin has ductility, stable chemical properties, corrosion resistance, easy melting, a small friction coefficient, and non-toxic tin salts. Therefore, tin and tin alloys have been widely used in modern national defense, modern industry, cutting-edge science and technology, and human life. In the process of dressing tin ore, it is usually necessary to separate common miscellaneous ores from the ore dressing materials to improve the purity of the ore for subsequent fine processing, and ferromagnetic screening is usually used.

[0003] The prior art discloses a tin ore rough material iron screening device with the publication number of CN217094472U, including: a screening box, a first filter plate arranged obliquely is provided at the top of the screening box, and a second filter plate and a third filter plate arranged obliquely towards both sides of the screening box are respectively provided inside the screening box from bottom to top; a spray head is arranged on the outer wall of the screening box; a first collection box is arranged at the bottom of the first filter plate for receiving the raw materials screened out from the first filter plate; a second collection box is arranged at the bottom of the second filter plate for receiving the raw materials screened out from the second filter plate; a third collection box is arranged at the bottom of the third filter plate for receiving the raw materials screened out from the third filter plate; a magnetic attraction roller is used to screen out ferromagnetic miscellaneous materials in the raw materials. The beneficial effects are as follows: The structural design of using multiple filter plates in cooperation with the magnetic attraction roller can continuously screen the ore raw materials, with high processing efficiency, and at the same time can achieve particle size screening and collection, which is convenient for subsequent processing and has strong practicability.

[0004] The above-mentioned utility model is provided with a second filter plate and a third filter plate arranged obliquely towards both sides of the screening box inside the screening box from bottom to top. By utilizing the vibration of the second filter plate and the third filter plate in cooperation with the installation of the supporting seat and the vibration motor, the ore raw materials can be continuously screened. However, the installation and use of multiple vibration motors will greatly increase the manufacturing cost of the device and the power consumption during use, thereby increasing the processing cost of tin ore rough materials, and the practicability is average. Content of the Utility Model

[0005] (I) Technical Problems to be Solved

[0006] Aiming at the deficiencies of the prior art, the utility model provides an iron screening device for tin ore rough materials, which has the advantages of being able to drive the second filter plate and the third filter plate to perform vibration screening without using a vibration motor, being beneficial to reducing the manufacturing cost of the device and the power consumption during use, and having stronger practicability, thus solving the problems in the above-mentioned background technique.

[0007] (II) Technical Solutions

[0008] To achieve the above advantages of driving the second filter plate and the third filter plate to vibrate and screen without using a vibration motor, which is beneficial to reducing the manufacturing cost of the device and the power consumption during use, and has stronger practicability, the specific technical solution adopted by the present utility model is as follows: A tin ore rough material iron screening device, including a screening box, a second filter plate and a third filter plate. An installation groove is provided on the inner wall of the screening box, and a discharge port is provided on the outer wall of the screening box. A number of first vibration springs are evenly installed on the bottom surface of one end of the installation groove where the second filter plate and the third filter plate are located. A number of second vibration springs are evenly installed on the bottom surface of one end of the discharge port where the second filter plate and the third filter plate are located. A driving shaft located between the second filter plate and the third filter plate is installed in the inner cavity of the screening box, and rotating rods are symmetrically and fixedly installed on the driving shaft. And a knocking block is fixedly installed at one end of the rotating rod. Upper collision blocks are symmetrically welded to the center of the bottom surface of the second filter plate, and lower collision blocks are symmetrically welded to the center of the top surface of the third filter plate. A motor seat is provided on one side of the screening box, and a servo motor is installed on the motor seat. And the output end of the servo motor is connected to one end of the driving shaft.

[0009] Further, a second collection box is provided on one side of the screening box, and a first rotating shaft is installed in the second collection box, and a first magnetic suction roller is fixedly installed on the first rotating shaft. A third collection box is provided on the other side of the screening box, and a second rotating shaft is installed in the third collection box, and a second magnetic suction roller is fixedly installed on the second rotating shaft. A first gear is fixedly installed on the driving shaft. A driven shaft is installed on the side wall of the powder screening box, and a second gear is installed on the driven shaft, and the second gear meshes with the first gear. A first pulley is fixedly installed on the driving shaft. A second pulley is fixedly installed on the first rotating shaft. A first transmission belt is connected and installed between the first pulley and the second pulley. A third pulley is fixedly installed on the driven shaft. A fourth pulley is fixedly installed on the second rotating shaft. A second transmission belt is connected and installed between the third pulley and the fourth pulley.

[0010] Further, a baffle frame is fixedly installed on the top surface of the screening box, and a first filter plate is fixedly installed on the baffle frame. A first collection box is provided below the lower end of the first filter plate.

[0011] Further, a first miscellaneous material box is fixedly installed on the inner wall of the second collection box, a second miscellaneous material box is fixedly installed on the inner wall of the third collection box, and scrapers are fixedly installed on the inner walls of the second collection box and the third collection box. The two scrapers are respectively in contact with the first magnetic suction roller and the second magnetic suction roller.

[0012] Further, a control panel is fixedly installed on the side wall of the screening box, and the control panel is electrically connected to the servo motor.

[0013] Furthermore, guide plates are fixedly installed on the bottom surfaces of the inner cavities of the second collection box and the third collection box.

[0014] Furthermore, discharge ports are communicated and installed on the side walls of the second collection box and the third collection box.

[0015] (III) Beneficial effects

[0016] Compared with the prior art, the utility model provides an iron ore screening device for tin ore coarse materials, which has the following beneficial effects:

[0017] (1) The utility model is provided with a first filter plate, a second filter plate and a third filter plate. A baffle frame is fixedly installed on the top surface of the screening box, and the first filter plate is fixedly installed on the baffle frame. Installation grooves are formed in the inner wall of the screening box, and a discharge port is formed in the outer wall of the screening box. A plurality of first vibration springs are evenly installed on the bottom surface of one end of the installation groove where the second filter plate and the third filter plate are located. A plurality of second vibration springs are evenly installed on the bottom surface of one end of the discharge port where the second filter plate and the third filter plate are located. A driving shaft is installed in the inner cavity of the screening box between the second filter plate and the third filter plate, and rotating rods are symmetrically and fixedly installed on the driving shaft. A knocking block is fixedly installed at one end of the rotating rod. Upper collision blocks are symmetrically welded at the center of the bottom surface of the second filter plate, and lower collision blocks are symmetrically welded at the center of the top surface of the third filter plate. A motor base is arranged on one side of the screening box, and a servo motor is installed on the motor base. The output end of the servo motor is connected to one end of the driving shaft. Therefore, when the servo motor drives the driving shaft to rotate, the upper collision blocks and the lower collision blocks are alternately collided by the rotating rods and the knocking blocks. At this time, when the tin ore coarse materials are poured onto the first filter plate, the opened ore will fall into the first collection box along the first filter plate for collection. When the preliminarily screened ore falls on the second filter plate, the ore with a certain specification of particles can be screened into the second collection box for treatment. The ore falling on the third filter plate is screened, and the ore of the first specification is screened into the third collection box for treatment. By driving the first filter plate and the second filter plate to vibrate, the moving efficiency of the ore raw materials on the first filter plate and the second filter plate can be accelerated, and the accumulation of materials can be avoided. Thus, the iron ore screening device for tin ore coarse materials can drive the second filter plate and the third filter plate to vibrate and screen without using a vibration motor, which is beneficial to reducing the manufacturing cost of the device and the power consumption during use, and has stronger practicability.

[0018] (2) The present utility model is provided with a second collection box, a third collection box, a first magnetic roller and a second magnetic roller. A first rotating shaft is installed in the provided second collection box, and a first magnetic roller is installed on the first rotating shaft. One end of the driving shaft is fixedly installed with a first pulley. The provided first rotating shaft is fixedly installed with a second pulley, and a first transmission belt is sleeved between the first pulley and the second pulley. Therefore, when the driving shaft rotates, it can drive the first magnetic roller to rotate. A second rotating shaft is installed in the provided third collection box, and a second magnetic roller is installed on the second rotating shaft. The side wall of the provided screening box is installed with a driven shaft, and a second gear fixedly installed on the driven shaft meshes with a first gear fixedly installed on the driving shaft. Therefore, when the driving shaft rotates, it can drive the driven shaft to rotate. A third pulley is fixedly installed on the provided driven shaft, and a fourth pulley is fixedly installed at one end of the second rotating shaft. A second transmission belt is sleeved between the third pulley and the fourth pulley. Therefore, when the driven shaft rotates, it can drive the second rotating shaft and the second magnetic roller to rotate. As described above, when the screened ore enters the inner cavity of the second collection box, the iron impurities in the ore can be adsorbed on the first magnetic roller by using the first magnetic roller. When the screened ore enters the inner cavity of the third collection box, the iron impurities in the ore can be adsorbed on the second magnetic roller by using the second magnetic roller. Scrapers are fixedly installed on the inner walls of the provided second collection box and the third collection box. The iron impurities adsorbed on the first magnetic roller and the second magnetic roller can be scraped off by using the scrapers and fall into the first miscellaneous material box and the second miscellaneous material box. The tin ore materials of a certain specification obtained can be exported along the guide inclined plate and the discharge port. By using the above transmission mechanism, the rotation of the first magnetic roller and the second magnetic roller can be driven, and there is no need to install an additional electric drive mechanism, which is beneficial to reducing the production and manufacturing cost and power consumption during use of a tin ore rough material iron screening device, and has stronger practicability. Description of the Drawings

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the embodiments. Obviously, the following-described drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0020] Figure 1 It is a schematic structural diagram of a tin ore rough material iron screening device according to an embodiment of the present utility model;

[0021] Figure 2 It is a front view of a tin ore rough material iron screening device according to an embodiment of the present utility model;

[0022] Figure 3 It is a top view of a tin ore rough material iron screening device according to an embodiment of the present utility model;

[0023] Figure 4 is an enlarged view of location A of Figure 1 according to the embodiment of the present utility model;

[0024] Figure 5 is an enlarged view of location B of Figure 1 according to the embodiment of the present utility model;

[0025] Figure 6 is a three - dimensional view of the second filter plate and the third filter plate of an iron ore rough material screening device according to the embodiment of the present utility model.

[0026] In the figure:

[0027] 1. Screening box; 2. Second collection box; 3. Third collection box; 4. Baffle frame; 5. First filter plate; 6. Second filter plate; 7. Third filter plate; 8. First miscellaneous material box; 9. Second miscellaneous material box; 10. Second magnetic roller; 11. Scraper; 12. Discharge port; 13. Guide inclined plate; 14. Driving shaft; 15. First gear; 16. Driven shaft; 17. Second gear; 18. First pulley; 19. Second pulley; 20. First transmission belt; 21. Third pulley; 22. Fourth pulley; 23. Second transmission belt; 24. First collection box; 25. First magnetic roller; 26. First rotating shaft; 27. Second rotating shaft; 28. Motor base; 29. Servo motor; 30. Installation groove; 31. First vibration spring; 32. Outlet; 33. Second vibration spring; 34. Upper collision block; 35. Lower collision block; 36. Rotating rod; 37. Knocking block. Detailed implementation manners

[0028] To further illustrate each embodiment, the present utility model provides drawings. These drawings are part of the disclosure of the present utility model, mainly used to illustrate the embodiments, and can be combined with the relevant descriptions in the specification to explain the operation principle of the embodiments. With reference to these contents, those of ordinary skill in the art should be able to understand other possible implementation manners and the advantages of the present utility model. The components in the figures are not drawn to scale, and similar component symbols are usually used to represent similar components.

[0029] According to an embodiment of the present utility model, an iron ore rough material screening device is provided.

[0030] Now, the present utility model will be further described in combination with the drawings and specific implementation manners, as Figure 1-6As shown in the figure, a tin ore coarse material iron screening device according to an embodiment of the present invention includes a screening box 1, a second filter plate 6 and a third filter plate 7. An installation groove 30 is formed in the inner wall of the screening box 1, and a discharge port 32 is formed in the outer wall of the screening box 1. A plurality of first vibration springs 31 are evenly installed on the bottom surface of one end of the installation groove 30 where the second filter plate 6 and the third filter plate 7 are located. A plurality of second vibration springs 33 are evenly installed on the bottom surface of one end of the discharge port 32 where the second filter plate 6 and the third filter plate 7 are located. A driving shaft 14 located between the second filter plate 6 and the third filter plate 7 is installed in the inner cavity of the screening box 1. Rotating rods 36 are symmetrically and fixedly installed on the driving shaft 14, and a knocking block 37 is fixedly installed at one end of the rotating rod 36. Upper collision blocks 34 are symmetrically welded at the center of the bottom surface of the second filter plate 6, and lower collision blocks 35 are symmetrically welded at the center of the top surface of the third filter plate 7. A motor seat 28 is arranged on one side of the screening box 1, a servo motor 29 is installed on the motor seat 28, and the output end of the servo motor 29 is connected to one end of the driving shaft 14. It enables a tin ore coarse material iron screening device to drive the second filter plate 6 and the third filter plate 7 to vibrate and screen without using a vibration motor, which is beneficial to reducing the manufacturing cost of the device and the power consumption during use, and has stronger practicability.

[0031] In one embodiment, a second collection box 2 is arranged on one side of the screening box 1, a first rotating shaft 26 is installed in the second collection box 2, and a first magnetic attracting roller 25 is fixedly installed on the first rotating shaft 26. A third collection box 3 is arranged on the other side of the screening box 1, a second rotating shaft 27 is installed in the third collection box 3, and a second magnetic attracting roller 10 is fixedly installed on the second rotating shaft 27. A first gear 15 is fixedly installed on the driving shaft 14, a driven shaft 16 is installed on the side wall of the powder screening box, a second gear 17 is installed on the driven shaft 16, and the second gear 17 meshes with the first gear 15. A first belt pulley 18 is fixedly installed on the driving shaft 14, a second belt pulley 19 is fixedly installed on the first rotating shaft 26, and a first transmission belt 20 is connected and installed between the first belt pulley 18 and the second belt pulley 19. A third belt pulley 21 is fixedly installed on the driven shaft 16, a fourth belt pulley 22 is fixedly installed on the second rotating shaft 27, and a second transmission belt 23 is connected and installed between the third belt pulley 21 and the fourth belt pulley 22. It enables the rotation of the first magnetic attracting roller 25 and the second magnetic attracting roller 10 to be realized by using the above transmission mechanism without installing an additional electric drive mechanism, which is beneficial to reducing the production and manufacturing cost of a tin ore coarse material iron screening device and the power consumption during use, and has stronger practicability.

[0032] In one embodiment, a baffle frame 4 is fixedly installed on the top surface of the screening box 1, a first filter plate 5 is fixedly installed on the baffle frame 4, and a first collection box 24 is arranged below the lower end of the first filter plate 5, which plays a role in initially screening the tin ore material.

[0033] In one embodiment, a first miscellaneous material box 8 is fixedly installed on the inner wall of the second collecting box 2, a second miscellaneous material box 9 is fixedly installed on the inner wall of the third collecting box 3, and scrapers 11 are fixedly installed on the inner walls of the second collecting box 2 and the third collecting box 3. The two scrapers 11 are respectively in contact with the first magnetic roller 25 and the second magnetic roller 10, so that the scrapers 11 can scrape off the iron impurities adsorbed on the first magnetic roller and the second magnetic roller 10 and drop them into the first miscellaneous material box 8 and the second miscellaneous material box 9.

[0034] In one embodiment, a control panel is fixedly mounted on the side wall of the screening box 1, and the control panel is electrically connected to the servo motor 29, which plays a role in controlling the normal operation of the device.

[0035] In one embodiment, a material guiding inclined plate 13 is fixedly mounted on the bottom surface of the inner cavity of the second collecting box 2 and the third collecting box 3 .

[0036] In one embodiment, the side walls of the second collecting box 2 and the third collecting box 3 are both connected and provided with a discharge port 12, which serves to discharge and collect the screened materials.

[0037] Working principle: The utility model is provided with a first filter plate 5, a second filter plate 6, and a third filter plate 7. A baffle frame 4 is fixedly installed on the top surface of the screening box 1, and the first filter plate 5 is fixedly installed on the baffle frame 4. An installation groove 30 is formed in the inner wall of the screening box 1, and a discharge port 32 is formed in the outer wall of the screening box 1. A number of first vibration springs 31 are evenly installed on the bottom surface of one end of the installation groove 30 where the second filter plate 6 and the third filter plate 7 are located. A number of second vibration springs 33 are evenly installed on the bottom surface of one end of the discharge port 32 where the second filter plate 6 and the third filter plate 7 are located. A driving shaft 14 is installed in the inner cavity of the screening box 1 between the second filter plate 6 and the third filter plate 7, and rotating rods 36 are symmetrically and fixedly installed on the driving shaft 14. One end of each rotating rod 36 is fixedly installed with a knocking block 37. Upper collision blocks 34 are symmetrically welded to the center of the bottom surface of the second filter plate 6, and lower collision blocks 35 are symmetrically welded to the center of the top surface of the third filter plate 7. A motor base 28 is arranged on one side of the screening box 1, and a servo motor 29 is installed on the motor base 28. The output end of the servo motor 29 is connected to one end of the driving shaft 14. Therefore, when the servo motor 29 drives the driving shaft 14 to rotate, the knocking blocks 37 alternately collide with the upper collision blocks 34 and the lower collision blocks 35 by means of the rotating rods 36. At this time, when the coarse tin ore is poured onto the first filter plate 5, the opened ore will fall into the first collection box 24 along the first filter plate 5 for collection. When the preliminarily screened ore falls on the second filter plate 6, the ore with a certain particle size can be screened and enter the second collection box 2 for processing. The ore that falls on the third filter plate 7 is screened, and the ore of the first specification is screened and enters the third collection box 3 for processing. By driving the first filter plate 5 and the second filter plate 6 to vibrate, the moving efficiency of the ore raw materials on the first filter plate 5 and the second filter plate 6 can be accelerated, and material accumulation can be avoided. Thus, a device for screening iron in coarse tin ore can drive the second filter plate 6 and the third filter plate 7 to vibrate and screen without using a vibration motor, which is beneficial to reducing the manufacturing cost of the device and the power consumption during use, and has stronger practicability. In addition, the utility model is provided with a second collection box 2, a third collection box 3, a first magnetic roller 25, and a second magnetic roller 10. A first rotating shaft 26 is installed in the second collection box 2, and the first magnetic roller 25 is installed on the first rotating shaft 26. One end of the driving shaft 14 is fixedly installed with a first pulley 18. A second pulley 19 is fixedly installed on the first rotating shaft 26, and a first transmission belt 20 is sleeved between the first pulley 18 and the second pulley 19. Therefore, when the driving shaft 14 rotates, it can drive the first magnetic roller 25 to rotate. A second rotating shaft 27 is installed in the third collection box 3, and the second magnetic roller 10 is installed on the second rotating shaft 27. A driven shaft 16 is installed on the side wall of the screening box 1, and a second gear 17 fixedly installed on the driven shaft 16 meshes with a first gear 15 fixedly installed on the driving shaft 14. Therefore, when the driving shaft 14 rotates, it can drive the driven shaft 16 to rotate.A third pulley 21 is fixedly installed on the driven shaft 16 provided. One end of the second rotating shaft 27 is fixedly installed with a fourth pulley 22, and a second transmission belt 23 is sleeved between the third pulley 21 and the fourth pulley 22. Therefore, when the driven shaft 16 rotates, it can drive the second rotating shaft 27 and the second magnetic roller 10 to rotate. As described above, when the screened ore enters the inner cavity of the second collection box 2, the first magnetic roller 25 can adsorb the iron impurities in the ore on the first magnetic roller 25. When the screened ore enters the inner cavity of the third collection box 3, the second magnetic roller 10 can adsorb the iron impurities in the ore on the second magnetic roller 10. Scrapers 11 are fixedly installed on the inner walls of the provided second collection box 2 and the third collection box 3. The scrapers 11 can scrape off the iron impurities adsorbed on the first magnetic roller and the second magnetic roller 10 and fall into the first miscellaneous material box 8 and the second miscellaneous material box 9. Then, the tin ore materials of a certain specification can be exported along the material guiding inclined plate 13 and the discharge port 12. By using the above transmission mechanism, the rotation of the first magnetic roller 25 and the second magnetic roller 10 can be driven without installing an additional electric drive mechanism, which is beneficial to reducing the production and manufacturing cost and power consumption during use of a tin ore rough material iron screening device, and has stronger practicability.

[0038] In the present invention, unless otherwise clearly defined and limited, terms such as "installation", "setting", "connection", "fixation", "rotary connection" and the like shall be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication of two components or the interaction relationship between two components. Unless otherwise clearly defined, for those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0039] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. An iron screening device for tin ore rough material, comprising a screening box (1), a second filter plate (6) and a third filter plate (7), characterized in that, The inner wall of the screening box (1) is provided with an installation groove (30), the outer wall of the screening box (1) is provided with a discharge port (32), a plurality of first vibration springs (31) are uniformly installed on the bottom surface at one end of the installation groove (30) where the second filter plate (6) and the third filter plate (7) are located, a plurality of second vibration springs (33) are uniformly installed on the bottom surface at one end of the discharge port (32) where the second filter plate (6) and the third filter plate (7) are located, a driving shaft (14) located between the second filter plate (6) and the third filter plate (7) is installed in the inner cavity of the screening box (1), and rotating rods (36) are symmetrically and fixedly installed on the driving shaft (14), and a knocking block (37) is fixedly installed at one end of the rotating rod (36), upper collision blocks (34) are symmetrically welded at the center of the bottom surface of the second filter plate (6), lower collision blocks (35) are symmetrically welded at the center of the top surface of the third filter plate (7), a motor seat (28) is arranged on one side of the screening box (1), a servo motor (29) is installed on the motor seat (28), and the output end of the servo motor (29) is connected to one end of the driving shaft (14).

2. The iron screening device for tin ore rough material according to claim 1, wherein A second collection box (2) is arranged on one side of the screening box (1), a first rotating shaft (26) is installed in the second collection box (2), and a first magnetic attraction roller (25) is fixedly installed on the first rotating shaft (26), a third collection box (3) is arranged on the other side of the screening box (1), a second rotating shaft (27) is installed in the third collection box (3), and a second magnetic attraction roller (10) is fixedly installed on the second rotating shaft (27), a first gear (15) is fixedly installed on the driving shaft (14), a driven shaft (16) is installed on the side wall of the screening box, a second gear (17) is installed on the driven shaft (16), and the second gear (17) meshes with the first gear (15), a first belt pulley (18) is fixedly installed on the driving shaft (14), a second belt pulley (19) is fixedly installed on the first rotating shaft (26), a first transmission belt (20) is connected and installed between the first belt pulley (18) and the second belt pulley (19), a third belt pulley (21) is fixedly installed on the driven shaft (16), a fourth belt pulley (22) is fixedly installed on the second rotating shaft (27), and a second transmission belt (23) is connected and installed between the third belt pulley (21) and the fourth belt pulley (22).

3. The iron screening device for tin ore rough material according to claim 1, characterized in that, A baffle frame (4) is fixedly installed on the top surface of the screening box (1), a first filter plate (5) is fixedly installed on the baffle frame (4), and a first collection box (24) is arranged below the lower end of the first filter plate (5).

4. The iron screening device for tin ore rough material according to claim 2, characterized in that, A first miscellaneous material box (8) is fixedly installed on the inner wall of the second collection box (2), a second miscellaneous material box (9) is fixedly installed on the inner wall of the third collection box (3), scraping plates (11) are fixedly installed on the inner walls of the second collection box (2) and the third collection box (3), and the two scraping plates (11) are respectively abutted against the first magnetic attraction roller (25) and the second magnetic attraction roller (10).

5. A tin ore rough material iron screening device according to claim 1, characterized in that, A control panel is fixedly installed on the side wall of the screening box (1), and the control panel is electrically connected to the servo motor (29).

6. The iron screening device for tin ore rough material according to claim 2, characterized in that Guide inclined plates (13) are fixedly installed on the bottom surfaces of the inner cavities of the second collection box (2) and the third collection box (3).

7. An iron ore screening device for tin ore rough materials according to claim 2, characterized in that, Discharge ports (12) are communicated and installed on the side walls of the second collection box (2) and the third collection box (3).

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