Dry-separation magnetic separator capable of preventing material stacking

Abstract

The utility model relates to an anti-stockpiling dry-separation magnetic separator, and belongs to the technical field of beneficiation machinery. According to the technical scheme, a flashboard structure (12) is arranged on the inclined side wall, where a discharging port is located, of the bottom of a hopper (11), and a belt (13) is arranged at the bottom of the discharging port; the material arranging baffle (2) is suspended at the top of the belt (13); a proximity switch (3) in the control unit is arranged on the side, close to a hopper (11), of the bottom of the side wall of a material arranging baffle (2), the proximity switch (3) is in signal connection with a PLC, and the PLC is further in signal connection with a gate structure (12). And the magnetic separation roller (4) is arranged at one end far away from the hopper (11). The material tidying device has the advantages that when a material layer on the upper portion of the belt is too thick, the material tidying baffle can flatten the material layer exceeding the thickness, and therefore the thickness of the material layer is limited; and the proximity switch transmits a signal to the PLC to control the motor to rotate, so that the flashboard structure seals part of the discharge hole, and the discharge quantity of the discharge hole is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a dry separation magnetic separator of anti -stacking material belongs to mineral processing machinery technical field. BACKGROUND

[0002] Dry magnetic separator is to dry magnetic mineral sorting of magnetic force mineral processing machinery, is in the air and selects, mainly used for selecting big, coarse strong magnetic ore and fine grain weak magnetic ore of one kind of magnetic separator. Dry magnetic separator is a kind of dry magnetic separation equipment widely used in mineral processing industry, is applied to iron ore after fine dry preselection, dry roughing and dry concentration and other multiple process section. Can make ore before grinding greatly improve grade, reduce mill power consumption, for some single strong magnetic ore, still can obtain iron concentrate directly through several dry selection process.

[0003] The working principle of dry drum magnetic separator is that, under the action of roller magnetic force, magnetic ore falls below the belt, while non-magnetic ore will have a projectile motion when leaving the belt, and the falling points of magnetic ore and non-magnetic ore are different, thereby realizing mineral separation. However, when the feeding is abnormal, the material layer on the belt will be too thick, resulting in high grade of magnetic separation tailings, and the product that should be concentrate becomes tailings, causing serious waste of mineral resources. SUMMARY

[0004] The utility model aims at providing a dry separation magnetic separator of anti -stacking material, by setting up material sorting baffle, when the material layer on the belt is too thick, material sorting baffle can scrape the excess thickness flat, thereby limiting the thickness of the material layer, and material sorting baffle side wall is also provided with proximity switch, when the material layer approaches proximity switch, proximity switch will signal to PLC (programmable logic controller), PLC controls motor rotation, lets gate structure sealing part discharge port, reduces the discharge amount of discharge port, solves the above problems existing in the background art.

[0005] The technical scheme of the utility model is: a dry separation magnetic separator of anti -stacking material, containing feeding device, material sorting baffle, control unit and magnetic separation roller, the feeding device contains hopper, gate structure and belt, the bottom of hopper is equipped with two inclined side walls, one of the inclined side walls is provided with discharge port, gate structure is arranged on the inclined side wall where discharge port is located, belt is arranged at the bottom of discharge port, material sorting baffle is suspended on the top of belt;The control unit includes proximity switch and PLC, proximity switch is arranged at the bottom of material sorting baffle side wall, proximity switch is arranged on the side close to hopper, proximity switch is signal connected with PLC, PLC is also signal connected with gate structure;Magnetic separation roller is arranged in the belt, is arranged at the end away from hopper, the end of the belt close to hopper is supported by carrier roller, the other end of the belt is supported by magnetic separation roller;The inclined side wall adjacent to discharge port of hopper is provided with arc-shaped plate, and the arc-shaped plate is suspended at the top of the belt.

[0006] The shutter structure comprises a shutter body, a rotating rod, a speed reducer and a motor, the shutter body is arranged outside the hopper, the shutter body is in sliding connection with the hopper, the shutter body is in threaded connection with the rotating rod, the rotating rod is connected with the motor through the speed reducer, the motor is connected with the PLC signal, and the motor and the speed reducer are fixedly connected with the hopper.

[0007] The shutter body is fixed with a protrusion, the protrusion is arranged outside the hopper and is in threaded connection with one end of the rotating rod, the other end of the rotating rod is in transmission connection with the speed reducer, the speed reducer is fixedly connected with the inclined side wall of the hopper, the speed reducer is arranged above the right of the discharge port, the speed reducer is also in transmission connection with the motor, and the motor is fixedly connected with the inclined side wall of the hopper.

[0008] The hopper is provided with a chute, and the shutter body is inserted into the chute.

[0009] The material sorting baffle is in a long plate structure, the length extension direction of the material sorting baffle is perpendicular to the movement direction of the belt, and the length of the material sorting baffle is not less than the width of the belt; the material sorting baffle is fixed on any support, and a gap for material conveying is left between the material sorting baffle and the belt.

[0010] The material sorting baffle is in a long plate structure, the length extension direction of the material sorting baffle is perpendicular to the movement direction of the belt, and the length of the material sorting baffle is not less than the width of the belt; the material sorting baffle is fixed on any support, and a gap for material conveying is left between the material sorting baffle and the belt. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is the overall structure schematic view of the utility model;

[0012] Figure 2 It is the front view of the utility model;

[0013] Figure 3 It is the structure schematic view of the hopper of the utility model;

[0014] In the drawing: feeding device 1, hopper 11, arc plate 111, chute 112, shutter structure 12, shutter body 121, protrusion 1211, rotating rod 122, speed reducer 123, motor 124, belt 13, material sorting baffle 2, proximity switch 3, magnetic separation roller 4, idler 5. DETAILED DESCRIPTION

[0015] In order to make the utility model implementation case purpose, technical scheme and advantage more clearly, below will combine the drawing in the implementation case, to the technical scheme in the utility model implementation case carries out clear, complete description, obviously, the implementation case expressed is the utility model a small part implementation case, is not all implementation case, based on the implementation case in the utility model, all other implementation cases that the person skilled in the art obtains without making the premise of creative labor belong to the protection scope of the utility model.

[0016] The utility model discloses a kind of anti-piling dry separation magnetic separators, including feeding device 1, material arranging baffle 2, control unit and magnetic separation roller 4, the feeding device 1 includes hopper 11, gate structure 12 and belt 13, the bottom of hopper 11 is equipped with two inclined side walls, one of which is provided with discharge port, gate structure 12 is located in the inclined side wall of discharge port, belt 13 is located at the bottom of discharge port, material arranging baffle 2 is suspended in the top of belt 13;Control unit includes proximity switch 3 and PLC, proximity switch 3 is located at the bottom of the side wall of material arranging baffle 2, proximity switch 3 is arranged at the side close to hopper 11, proximity switch 3 is signal connected with PLC, PLC is also signal connected with gate structure 12;Magnetic separation roller 4 is located in belt 13, is located at the end away from hopper 11, one end of belt 13 close to hopper 11 is supported by carrier roller 5, the other end of belt 13 is supported by magnetic separation roller 4;The inclined side wall adjacent to discharge port of hopper 11 is provided with arc plate 111, and the bottom of arc plate 111 is suspended in the top of belt 13.

[0017] The gate structure 12 includes gate body 121, rotating rod 122, speed reducer 123 and motor 124, the gate body 121 is arranged at the outside of hopper 11, the gate body 121 is slidably connected with hopper 11, the gate body 121 is threadedly connected with rotating rod 122, rotating rod 122 is connected with motor 124 by speed reducer 123, motor 124 is signal connected with PLC, motor 124 and speed reducer 123 are fixedly connected with hopper 11.

[0018] The gate body 121 is fixedly provided with lug 1211, the lug 1211 is arranged at the outside of hopper 11, and the lug 1211 is threadedly connected with one end of rotating rod 122;The other end of rotating rod 122 is drivingly connected with speed reducer 123, speed reducer 123 is fixedly connected with the inclined side wall of hopper 11, speed reducer 123 is located at the upper right of discharge port, speed reducer 123 is also drivingly connected with motor 124, and motor 124 is fixedly connected with the inclined side wall of hopper 11.

[0019] The hopper 11 is provided with chute 112, and the gate body 121 is inserted into the chute 112.

[0020] The material sorting baffle 2 is a long plate structure, the length extension direction of the material sorting baffle 2 is perpendicular to the movement direction of the belt 13, and the length of the material sorting baffle 2 is not less than the width of the belt 13; the material sorting baffle 2 is fixed on any support, and a gap for material conveying is left between the material sorting baffle 2 and the belt 13.

[0021] In actual application, the mineral materials are first loaded in the hopper 11, the motor 124 is started, the shutter body 121 is lifted, the discharge port is opened, and the mineral materials slide along the arc-shaped plate 111 to the upper side of the belt 13. The magnetic separation roller 4 rotates to drive the belt 13 to advance, and when the mineral materials pass through the material sorting baffle 2, the material sorting baffle 2 scrapes off the excessively thick material layer. When the material layer is excessively thick and close to the proximity switch 3, it indicates that the discharge speed of the hopper 11 is too fast, and the material sorting baffle 2 cannot completely remove the mineral materials exceeding the thickness, at this time, the proximity switch 3 transmits a signal to the PLC, the PLC controls the motor 124 to rotate, and the shutter body 121 falls back to reduce the discharge amount of the hopper 11.

[0022] In order to more accurately control the discharge amount of the hopper 11 and improve safety, an alarm can also be additionally arranged, the alarm is also connected with the PLC signal, when the PLC receives the signal of the proximity switch 3, the alarm is started, and the staff is reminded to monitor and adjust the size of the discharge port.

[0023] Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

Claims

1. A dry magnetic separator for preventing material stockpiling, characterized in that: The system includes a feeding device (1), a material handling baffle (2), a control unit, and a magnetic separator roller (4). The feeding device (1) includes a hopper (11), a gate structure (12), and a belt (13). The bottom of the hopper (11) has two inclined sidewalls, one of which has a discharge port. The gate structure (12) is located on the inclined sidewall where the discharge port is located. The belt (13) is located at the bottom of the discharge port, and the material handling baffle (2) is suspended above the belt (13). The control unit includes a proximity switch (3) and a PLC. The proximity switch (3) is located at the bottom of the sidewall of the material handling baffle (2). The proximity switch (3) is located on the side close to the hopper (11). The proximity switch (3) is connected to the PLC signal, and the PLC is also connected to the gate structure (12) signal. The magnetic separation roller (4) is located inside the belt (13) at the end away from the hopper (11). The end of the belt (13) close to the hopper (11) is supported by the idler roller (5), and the other end of the belt (13) is supported by the magnetic separation roller (4). The inclined side wall of the hopper (11) adjacent to the discharge port is provided with an arc plate (111), and the bottom of the arc plate (111) is suspended above the top of the belt (13).

2. The dry magnetic separator for preventing material stockpiling according to claim 1, characterized in that: The gate structure (12) includes a gate body (121), a rotating rod (122), a reducer (123), and a motor (124). The gate body (121) is located on the outside of the hopper (11). The gate body (121) is slidably connected to the hopper (11). The gate body (121) is threadedly connected to the rotating rod (122). The rotating rod (122) is connected to the motor (124) through the reducer (123). The motor (124) is connected to the PLC signal. Both the motor (124) and the reducer (123) are fixedly connected to the hopper (11).

3. The dry magnetic separator for preventing material stockpiling according to claim 2, characterized in that: The gate body (121) is fixed with a protrusion (1211), which is located on the outside of the hopper (11). The protrusion (1211) is threadedly connected to one end of the rotating rod (122). The other end of the rotating rod (122) is connected to the reducer (123). The reducer (123) is fixedly connected to the inclined side wall of the hopper (11). The reducer (123) is located on the upper right of the discharge port. The reducer (123) is also connected to the motor (124). The motor (124) is fixedly connected to the inclined side wall of the hopper (11).

4. The dry magnetic separator for preventing material stockpiling according to claim 1, characterized in that: The hopper (11) has a sliding groove (112), and the gate body (121) is inserted into the sliding groove (112).

5. A dry magnetic separator for preventing material stockpiling according to claim 1, characterized in that: The material handling baffle (2) is a long plate structure. The length extension direction of the material handling baffle (2) is perpendicular to the movement direction of the belt (13). The length of the material handling baffle (2) is not less than the width of the belt (13). The material handling baffle (2) is fixed on any support. A gap for material handling is left between the material handling baffle (2) and the belt (13).

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