JPH0663152U - Non-ferrous metal sorter - Google Patents

Abstract

(57) [Abstract] [Purpose] To provide a non-ferrous metal sorting apparatus with improved sorting efficiency for separating non-ferrous metal having a small particle size from non-ferrous metal. A belt pulley 12 made of an insulating material, in which a magnetic rotor 11 rotating at a high speed is provided, a raw material conveying belt 13 guided by the belt pulley 12, and a non-ferrous material separated by a rotating magnetic field of the magnetic rotor 11. Non-ferrous metal sorter 1 having separation wall 14 for separating metals
At 0, the tip of the separating wall 14 for separating the non-ferrous metal 63 and the non-metallic 64 is provided above the front part of the belt pulley 12 and in the middle of the non-ferrous metal projected parabola (B) and the non-metallic projected parabola (C). It has been configured.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a non-ferrous metal sorter capable of separating even small-sized non-ferrous metals from dust (hereinafter referred to simply as non-metals) containing non-ferrous metals such as aluminum, copper and zinc.

[0002]

[Prior art]

 Conventionally, as an example of a non-ferrous metal sorting apparatus, a magnetic rotor 70 as shown in FIG. 5 is provided inside, and a belt pulley 72 for guiding a raw material transport belt 71 and a belt pulley 72 are provided around the belt pulley 72. There was a non-ferrous metal sorter 74 having a separating wall 73. Then, when the non-ferrous metal sorting device 74 is driven, the magnetic rotor 70 rotates, a moving magnetic field is generated above the belt pulley 72, and the moving magnetic field causes electromagnetic induction across the non-ferrous metal 75 to move. Eddy current is generated in the non-ferrous metal 75 on 71, and the repulsive force generates thrust. Then, the thrust causes the non-ferrous metal 75 to fly and fall to the outside of the separation wall 73, while the non-metal 76 is not affected by the moving magnetic field and thus falls to the inside of the separation wall 73 to select them. It was done.

[0003]

[Problems to be solved by the device]

 However, in the conventional non-ferrous metal sorting device 74, when the non-ferrous metal 75 is a small particle of, for example, about 1 mm, even if a thrust is generated across the moving magnetic field, it is rapidly attenuated by the air resistance. As a result, there was a problem that a sufficient flight distance could not be obtained, and the particles fell inside the separation wall 73 and mixed with the non-metal 76, resulting in poor selection efficiency. The present invention has been made in view of such circumstances, and an object thereof is to provide a non-ferrous metal sorting apparatus that separates non-ferrous metals having a small particle size from non-metals to improve sorting efficiency. And

[0004]

A nonferrous metal sorting apparatus according to claim 1, which is in accordance with the above object, comprises a belt pulley made of an insulator in which a magnetic rotor rotating at a high speed is provided, and a guide to the belt pulley. In a non-ferrous metal sorting apparatus having a raw material conveyor belt and a separation wall for separating non-ferrous metals separated by the rotating magnetic field of the magnetic rotor, a separation wall for separating the non-ferrous metal and the non-metal is provided. The tip is provided above the front part of the belt pulley and provided between the non-ferrous metal projection parabola and the non-metal projection parabola.

[0005]

[Action]

 In the non-ferrous metal sorting device according to the first aspect, the moving magnetic field crosses the non-ferrous metals on the raw material conveying belt guided by the belt pulley by the high speed rotation of the magnetic rotor. Electromagnetic induction occurs in the non-ferrous metal, causing eddy currents and thrust by the repulsive force with the moving magnetic field to fly, and the non-metal consisting of an insulator that is not affected by the electromagnetic induction falls without flying. , The separation is performed by the separation wall. The non-ferrous metal with a small grain size is affected by the resistance of the surrounding air and immediately attenuates even if thrust is generated.However, the tip of the separation wall is located above the front part of the belt pulley and is non-ferrous. Since it is provided between the metal projection parabola and the non-metal projection parabola, it does not fall on the non-metal side with the separation wall as a boundary, and it is possible to improve the selection efficiency of non-ferrous metals.

[0006]

【Example】

 Next, an embodiment of the present invention will be described with reference to the accompanying drawings to provide an understanding of the present invention. FIG. 1 is an explanatory view showing the position of the separation wall tip of the non-ferrous metal sorting apparatus according to one embodiment of the present invention, FIG. 2 is the same schematic configuration diagram, and FIG. 3 is a cross-sectional view of the main part of the magnetic rotor. FIG. 4 is a vertical cross-sectional view of the main components of the magnetic rotor and the belt pulley. As shown in FIGS. 1 and 2, a nonferrous metal sorting apparatus 10 according to an embodiment of the present invention includes a belt pulley 12 having a magnetic rotor 11 provided therein, and a raw material guided by the belt pulley 12. It has a conveyor belt 13 and a separation wall 14 for separating non-ferrous metals.

As shown in FIGS. 3 and 4, the magnetic rotor 11 includes a magnetic rotor body 15, a magnet 16 and a fixing member 17 for fixing the magnet 16 to the magnetic rotor body 15. The rotation of the magnet 16 causes the magnet 16 to generate a rotating magnetic field. The magnet rotor main body 15 has a magnet mounting cylinder 18, donut-shaped side plates 19 and 20 fixed to both inner sides of the magnet mounting cylinder 18, and an intermediate portion fixed to the center of the side plates 19 and 20. A rotating shaft 21 is provided. Further, on the surface of the magnet mounting cylinder 18, long groove-shaped magnet mounting holes 22 are provided in the axial direction of the magnetic rotor 11, and the magnet mounting holes 22 are arranged at intervals of 24 places in the rotating direction of the magnetic rotor 11. Bolt holes 23 are provided between the adjacent magnet mounting holes 22.

A ferrite magnet is used as the magnet 16 for generating the rotating magnetic field, and notches 24 and 25 are provided on both sides of the upper portion of the magnet 16, and as shown in FIGS. 3 and 4, the upper portion has the same pole. As described above, a plurality of magnets 16 are arranged in the magnet mounting hole 22 to form an S-pole magnet array 26. Further, as shown in FIG. 3, in the adjacent magnet mounting holes 22, an N pole magnet row 27 is arranged next to the S pole magnet row 26 so as to have different polarities alternately. The fixing bracket 17 is formed of an aluminum alloy material, has a bolt mounting hole 28 in the center, and projecting portions 29 and 30 on both sides of the upper end, and a bolt 31 and a nut 32. The notches 24 and 25 of the adjacent magnets 16 can be simultaneously pressed and held to the magnet mounting cylinder 18 side via the. Incidentally, 33 is a washer.

A belt pulley 12 is provided outside the magnetic rotor 11 so as to cover the magnetic rotor 11 via a gap 34. As shown in FIG. 4, the belt pulley 12 includes an outer cylinder 35 formed in a cylindrical shape by using an FRP (fiberglass reinforced plastics), which is an example of an insulator, and an edge portion on each side of the outer cylinder 35. And donut-shaped side plates 36 and 37 for fixing. Bearings 38 and 39a are fixed to the central holes of the side plates 36 and 37, and the outer cylinder 35 is rotatably fixed to the rotary shaft 21 via the bearings 38 and 39a and the side plates 36 and 37. As shown in FIG. 2, both ends of the rotary shaft 21 are rotatably fixed to bearings 41 and 42 fixed to a magnetic rotor mount 40 fixed to a mount 39, and one end of the rotary shaft 21 is fixed. A belt pulley 43 is attached to the side end. The belt pulley 43 is connected to a motor belt pulley 45 of a motor 44 fixed to the pedestal 39 via a belt 46, and the rotation of the motor 44 rotates the magnetic rotor 11. In this embodiment, the magnetic rotor 11 is configured to rotate at a high speed with the rotation speed of the motor 44 set to about 3600 rpm.

Further, the outer cylinder 35 of the belt pulley 12 is connected to the drive pulley 48 fixed to the drive pulley mounting base 47 of the gantry 39 via the raw material transport belt 13. The drive pulley 48 is connected via a belt 51 to a pulley 50 of a continuously variable transmission 49 that is connected to a motor fixed to a pedestal 39. In the present embodiment, the rotation speed of the drive pulley 48 is set so that the moving speed of the raw material transport belt 13 is about 1 to 2 m / sec under the control of the control device of the control chamber 52 provided on the gantry 39. did. A raw material supply hopper 53 is fixed to a pedestal 39 above the raw material transport belt 13 on the drive pulley 48 side, and crushed non-ferrous metals such as zinc, aluminum and copper and rubber, and It is possible to smoothly drop a non-metal raw material such as plastic or wood onto the raw material transport belt 13.

In front of the magnetic rotor 11, there is provided a magnetic separation chamber 54 whose lower part is fixed to the mount 39, and a side view of the magnetic separation chamber 54 is provided with a peephole 55. Below the magnetic separation chamber 54, there are provided a cylindrical iron outlet 56, a dust outlet 57, an outlet 58, and an outlet 59, the upper portions of which are fixed adjacent to the pedestal 39. Above the space between the discharge port 56 and the dust discharge port 57, the dust discharge port 57 and the discharge port 58, and the discharge port 58 and the discharge port 59, respectively, end portions are rotatably fixed to the mount 39. 60, 14, 61 are provided. In particular, as shown in FIG. 1, the separation wall 14 made of an insulating plate such as an FRP plate has its tip above the front part of the belt pulley 12 and has a non-ferrous metal projection parabola (A) and (B) and a non-metallic projection parabola. It is provided so as to be located in the middle of (C). The non-ferrous metal projection parabola (A) is a parabola drawn by flying a non-ferrous metal 62 having a relatively large particle size, and the non-ferrous metal projection parabola (B) is a non-ferrous metal having a small particle size of about 1 mm. 63 is a parabola drawn by flying, and the non-metal projected parabola (C) is a parabola drawn by falling non-metal 64. Further, the separation walls 60, 14, 61 are provided with separation wall adjusting handles 65, 66, 67 each having an end fixed to the respective base ends, and the arrangement positions of the separation walls 60, 14, 61 can be adjusted. You can do it. The separation wall 14 is adjusted such that the separation state can be seen from the side through a peep window provided in the outer cover (this outer cover is omitted in FIG. 2). It is preferable to make the setting while watching the flight status of non-metals.

Next, a method of using the non-ferrous metal sorting apparatus 10 according to the embodiment of the present invention will be described. As shown in FIG. 4, in order to drive the non-ferrous metal sorting apparatus 10, the motor is driven to rotate the drive pulley 48 via the pulley 50 and the belt 51, and the motor 44 is driven to drive via the belt 46. To rotate the magnetic rotor 11 at high speed. The protrusions 29 and 30 of the fixing member 17 fixed to the magnetic rotor main body 15 hold the notches 24 and 25 provided on both sides of the upper portion of the magnet 16 by pressing to the magnetic rotor main body 15 side. The magnet 16 is prevented from jumping out due to the high speed rotation of the magnet 16. The rotation of the drive pulley 48 moves the raw material transport belt 13 and rotates the belt pulley 12 provided outside the magnetic rotor 11.

Next, in the method for sorting non-ferrous metals, after driving the non-ferrous metal sorting apparatus 10, the non-ferrous metals 62, 63 and the non-metal 64 are mixed as raw materials through the raw material supply hopper 53. It is dropped onto the conveyor belt 13. Then, the non-ferrous metals are carried above the belt pulley 12 by the raw material carrying belt 13. Above the belt pulley 12, the rotating magnetic field generated by the high-speed rotation of the magnetic rotor 11 crosses the nonferrous metals as a moving magnetic field at high speed. In addition, as shown in FIG. 3, since the notches 24 and 25 are provided at both ends of the magnet 16, the distance between the two adjacent magnets 16 is large and the notch 24, The magnetic flux density is reduced as compared with the magnet 16 in which 25 is not provided, and a parabola having a height is drawn between the N 1 pole magnet array 27 and the S pole magnet array 26. Most of the magnetic flux that draws the parabola crosses the non-ferrous metals on the raw material transport belt 13 at high speed.

On the basis of the above principle, electromagnetic induction acts on the non-ferrous metals 62 and 63 where many magnetic fluxes cross at high speed, as shown in FIG. 1, and eddy currents are generated and thrust is generated to fly. . Since the non-ferrous metal 62 has a relatively large particle size, it has a large thrust and draws a non-ferrous metal projection parabola (A), and falls onto the discharge port 58 or the discharge port 59. Moreover, since the non-ferrous metal 63 has a small particle size and a small thrust, it cannot fly greatly due to air resistance, and tries to fall on the dust discharge port 57 by drawing a small non-ferrous metal projection parabola (B), but the separation wall. The tip of 14 is located above the front part of the belt pulley 12 so as to be located between the non-ferrous metal projection parabola (B) and the non-metal projection parabola (C), and collides with the side wall of the separation wall 14. It is possible to improve the sorting efficiency of the non-ferrous metals by dropping them into the discharge port 58 without mixing with the sorted non-metals 64. Since the non-metal 64 is not affected by electromagnetic induction due to the high speed rotation of the magnetic rotor 11, it falls from the raw material transport belt 13 to the dust discharge port 57, and the iron contained therein balances the magnetic force of the magnet 16 and its own weight. When it collapses, it falls into the iron outlet 56.

[0015]

[Effect of device]

 In the non-ferrous metal sorting apparatus according to claim 1, the tip of the separation wall is provided above the front part of the belt pulley and between the non-ferrous metal projected parabola and the non-metallic projected parabola, and therefore, the flying flight should be performed greatly. Even non-ferrous metals with a small particle size that cannot be processed do not fall to the non-metal side with the separation wall as a boundary, and the efficiency of sorting non-ferrous metals can be improved.

[Brief description of drawings]

FIG. 1 is an explanatory view showing an arrangement position of a tip of a separation wall of a non-ferrous metal sorting apparatus according to an embodiment of the present invention.

FIG. 2 is a schematic configuration diagram of the same.

FIG. 3 is a cross-sectional view of a main part of the magnetic rotor.

FIG. 4 is a vertical cross-sectional view of main components of the magnetic rotor and the belt pulley.

FIG. 5 is an explanatory diagram showing a sorting method of a conventional non-ferrous metal sorting apparatus.

[Explanation of symbols]

 10 Nonferrous Metal Sorting Device 11 Magnetic Rotor 12 Belt Pulley 13 Raw Material Conveying Belt 14 Separation Wall 15 Magnetic Rotor Main Body 16 Magnet 17 Fixing Metal 18 Magnet Mounting Cylindrical Body 19 Side Plate 20 Side Plate 21 Rotating Shaft 22 Magnet Mounting Hole 23 Bolt Hole 24 Notch 25 Notch 26 S pole magnet row 27 N pole magnet row 28 Bolt mounting hole 29 Projection portion 30 Projection portion 31 Bolt 32 Nut 33 Washer 34 Gap 35 Outer cylinder 36 Side plate 37 Side plate 38 Bearing 39 Frame 39a Bearing 40 Magnetic rotor mounting base 41 Bearing 42 Bearing 43 Belt pulley 44 Motor 45 Motor belt pulley 46 Belt 47 Drive pulley mount 48 Drive pulley 49 Continuously variable transmission 50 Pulley 51 Belt 52 Control room 53 Raw material supply hopper 54 Magnetic separation chamber 55 Peephole 56 Iron discharge port 57 Dust Outlet port 5 Outlet 59 outlet 60 separation wall 61 separating wall 62 nonferrous metals 63 non-ferrous metals 64 non 65 separation wall handle 66 separating wall handle 67 separation wall handle

Claims (1)

[Scope of utility model registration request] 1. A belt pulley made of an insulator in which a magnetic rotor rotating at high speed is provided, a raw material conveying belt guided by the belt pulley, and non-ferrous metals separated by a rotating magnetic field of the magnetic rotor. In a non-ferrous metal sorting apparatus having a separating wall for separating, the tip of the separating wall for separating the non-ferrous metal and the non-metal is above the front part of the belt pulley, and is a non-ferrous metal projection parabola and a non-metal projection parabola. A non-ferrous metal sorting device, which is provided in the middle of the.