Mining multi-stage vibrating screen

Abstract

The utility model relates to the technical field of vibrating screens, and discloses a mining multistage vibrating screen which comprises a bottom plate, a fixed hopper and a screening box, a screening cylinder is rotatably connected in the fixed hopper, a plurality of screening holes are formed in the outer surface of the screening cylinder, and a cylinder door is hinged to the outer surface of the screening cylinder. A first motor is fixedly installed on the outer surface of the rear side of the fixed hopper, a winding shaft is rotationally connected between the two vertical plates, a second motor is fixedly installed on the outer surface of one vertical plate, and the outer surface of the winding shaft is fixedly sleeved with a winding wheel. The first motor drives the screening barrel to rotate, the second motor is matched to drive the winding shaft to drive the winding wheel to rotate, the winding wheel drives the winding rope to lift and put down one end of the fixed hopper, so that ores are continuously turned over in the screening barrel, the ore screening effect is improved, and the subsequent vibration motor drives the screening plate to conduct secondary screening on the ores.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of vibrating screen, concretely to a mine multistage vibrating screen. BACKGROUND

[0002] As an important screening equipment, vibrating screen is widely used in mining, metallurgy, chemical industry and other industries. The traditional vibrating screen is usually composed of a base, a screen box and a vibrating device. A screen is arranged in the screen box. The material is screened through the screen. The vibrating device vibrates the screen box through the vibration force to increase the screening effect.

[0003] In the prior art, when screening ore, the screen is usually driven by a vibrating device to vibrate and screen the ore. However, when the ore is laid flat on the vibrating screen, the vibration amplitude of the vibrating screen is difficult to vibrate the ore, so that the ore cannot be fully screened, and the screening effect is poor. Therefore, a mine multistage vibrating screen is proposed. UTILITY MODEL CONTENT

[0004] In view of the deficiencies of the prior art, the utility model provides a mine multistage vibrating screen to solve the problems mentioned in the background.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a mine multistage vibrating screen, comprising a bottom plate, a fixed hopper and a screening box, the inside of the fixed hopper is rotatably connected with a screening cylinder, a plurality of screening holes are formed in the outer surface of the screening cylinder, a cylinder door is hingedly connected to the outer surface of the screening cylinder, a first motor is fixedly installed on the outer surface of the rear side of the fixed hopper, the output end of the first motor is fixedly connected with the screening cylinder, the top outer surface of the bottom plate is fixedly connected with two vertically symmetrical vertical plates, a winding shaft is rotatably connected between the two vertical plates, a second motor is fixedly installed on the outer surface of one of the vertical plates, the output end of the second motor is fixedly connected with the winding shaft, a winding wheel is fixedly sleeved on the outer surface of the winding shaft, and the other end of the winding wheel is connected with the outer surface of the fixed hopper.

[0006] Further, the inside of the screening box is rotatably connected with a screening frame, the inside of the screening frame is provided with a screening plate, springs are arranged between the screening frame and the screening plate, a supporting plate is fixedly connected in the inside of the screening box, an electric push rod is rotatably connected to the outer surface of the supporting plate, an installation plate is rotatably connected to the output end of the electric push rod, a vibration motor is installed on the outer surface of the installation plate, and the output end of the vibration motor is fixedly connected with the screening plate.

[0007] Further, the top outer surface of the bottom plate is fixedly connected with two groups of support feet arranged in front and back symmetry, the number of each group of support feet is two, a screw rod is rotatably connected between the two support feet of one group, the outer surface of one of the support feet is fixedly installed with a third motor, the output end of the third motor is fixedly connected with the screw rod, the outer surface of the screw rod is threadedly connected with a threaded plate, and the screening box is arranged above the threaded plate.

[0008] Further, a through slot is formed in the front side of the screening box, and one end of the screening plate extends to the outside of the screening box through the through slot.

[0009] Further, a receiving drawer is movably arranged in the interior of the screening box, a conveying belt is arranged above the bottom plate, and the conveying belt is located below one end of the screening frame.

[0010] Further, the top outer surface of the bottom plate is fixedly connected with two side plates arranged in left and right symmetry, support shafts are rotatably connected between the two side plates, and the fixed hopper is arranged between the two support shafts.

[0011] Further, the bottom of the fixed hopper is provided with an inclined guide plate.

[0012] Further, a slide rod is fixedly connected between the other two support feet, and the threaded plate is movably sleeved on the outer surface of the slide rod.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The mine multi-stage vibration screen, through the first motor driving the screening cylinder to rotate, cooperating with the second motor driving the winding shaft to drive the winding wheel to rotate, the winding wheel drives the winding rope to lift and lower one end of the fixed hopper, so that the ore is continuously turned in the interior of the screening cylinder, the screening effect of the ore is increased, and the screening plate is driven by the subsequent vibration motor to perform secondary screening on the ore.

[0015] 2. The mine multi-stage vibration screen, when the ore in the screening cylinder falls into the interior of the screening box, the third motor is operated, the third motor drives the screw rod to rotate, the screw rod drives the threaded plate to move, and the threaded plate drives the screening box to move, so that the ore is uniformly located on the screening plate, and the subsequent screening effect of the ore is increased. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a front view structural schematic diagram of the utility model;

[0017] Figure 2 It is a rear view structural schematic diagram of the utility model;

[0018] Figure 3 It is a side view sectional view structural schematic diagram of the utility model;

[0019] Figure 4 The utility model discloses Figure 3 Amplification structure schematic diagram is shown in A place.

[0020] In the drawing: 1, bottom plate, 2, fixed hopper, 3, screening cylinder, 4, first motor, 5, vertical plate, 6, winding shaft, 7, second motor, 8, winding wheel, 9, screening box, 10, screening plate, 11, vibration motor, 12, electric push rod, 13, screw rod, 14, third motor, 15, threaded plate, 16, material receiving drawer, 17, conveying belt. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0022] Embodiment 1:

[0023] Please see Figures 1-4 The utility model provides a kind of technical scheme: a mine multistage vibrating screen, including bottom plate 1, fixed hopper 2 and screening box 9, the inside rotationally connected with screening cylinder 3 in fixed hopper 2, multiple screening holes are set on the outer surface of screening cylinder 3, hinged with cylinder door on the outer surface of screening cylinder 3, the rear outer surface of fixed hopper 2 is fixedly installed with first motor 4, the output end of first motor 4 is fixedly connected with screening cylinder 3, the top outer surface of bottom plate 1 is fixedly connected with two vertical plates 5 that are symmetrically arranged left and right, winding shaft 6 is rotationally connected between two vertical plates 5, the outer surface of one vertical plate 5 is fixedly installed with second motor 7, the output end of second motor 7 is fixedly connected with winding shaft 6, winding wheel 8 is fixedly covered on the outer surface of winding shaft 6, the other end of winding wheel 8 is connected with the outer surface of fixed hopper 2, specifically, screening cylinder 3 is driven to rotate by first motor 4, screening cylinder 3 rotates, and winding shaft 6 is driven to rotate by second motor 7, winding wheel 8 is driven to rotate by winding shaft 6, winding rope is wound or discharged, winding rope lifts one end of fixed hopper 2, so that screening cylinder 3 rotates, so that ore is constantly stirred in the inside of screening cylinder 3 along with the rotation of screening cylinder 3 and the winding or discharge of winding rope, improve the screening effect of ore.

[0024] In the embodiment, the inside of the screening box 9 is rotationally connected with a screening frame, the inside of the screening frame is provided with a screening plate 10, springs are arranged between the screening frame and the screening plate 10, the inside of the screening box 9 is fixedly connected with a support plate, the outer surface of the support plate is rotationally connected with an electric push rod 12, the output end of the electric push rod 12 is rotationally connected with a mounting plate, the outer surface of the mounting plate is mounted with a vibration motor 11, the output end of the vibration motor 11 is fixedly connected with the screening plate 10, specifically, the vibration motor 11 drives the screening plate 10 to vibrate, the ore is secondarily screened, the ore falling through the screening plate 10 falls into the receiving drawer 16 for collection, when the screening is completed, the electric push rod 12 works, one end of the screening plate 10 is moved by the electric push rod 12, so that the screening plate 10 is in an inclined state, and the ore on the screening plate 10 falls off.

[0025] In the embodiment, the top outer surface of the bottom plate 1 is fixedly connected with two groups of support feet arranged in front and back symmetry, the number of each group of support feet is two, a lead screw 13 is rotationally connected between the two support feet in one group, the outer surface of one of the support feet is fixedly mounted with a third motor 14, the output end of the third motor 14 is fixedly connected with the lead screw 13, the outer surface of the lead screw 13 is threadedly connected with a threaded plate 15, the screening box 9 is arranged above the threaded plate 15, specifically, when the ore in the screening cylinder 3 falls into the inside of the screening box 9, the third motor 14 works, the third motor 14 drives the lead screw 13 to rotate, the lead screw 13 rotates to drive the threaded plate 15 to move, the threaded plate 15 drives the screening box 9 to move, so that the ore is uniformly located on the screening plate 10, and the subsequent screening effect of the ore is improved.

[0026] In the embodiment, a through slot is formed in the front side of the screening box 9, one end of the screening plate 10 extends to the outside of the screening box 9 through the through slot, specifically, when the screening frame drives the screening plate 10 to incline, the through slot provides space for the screening frame and one end of the screening plate 10.

[0027] In the embodiment, a receiving drawer 16 is movably arranged in the inside of the screening box 9, a conveying belt 17 is arranged above the bottom plate 1, and the conveying belt 17 is located below one end of the screening frame, specifically, the ore screened by the screening plate 10 is received by the receiving drawer 16, and the ore remaining on the screening plate 10 is conveyed by the conveying belt 17.

[0028] In the embodiment, the top outer surface of the bottom plate 1 is fixedly connected with two side plates arranged in left and right symmetry, support shafts are rotationally connected between the two side plates, and the fixed hopper 2 is arranged between the two support shafts, specifically, the fixed hopper 2 rotates around the support shafts when the winding rope is discharged or wound.

[0029] In the embodiment, the bottom of the fixed hopper 2 is provided with an inclined guide plate, specifically, the ore screened in the screening cylinder 3 is guided by the guide plate to enter the screening box 9.

[0030] In this embodiment, a sliding rod is fixedly connected between two supporting legs in another set. The threaded plate 15 is movably sleeved on the outer surface of the sliding rod. Specifically, when the lead screw 13 rotates, it drives the threaded plate 15 to move, so that the threaded plate 15 slides on the outer surface of the sliding rod, thus preventing the threaded plate 15 from rotating with the lead screw 13.

[0031] Working Principle: In use, the door of the screening cylinder 3 is opened, and the ore is conveyed into the screening cylinder 3. The first motor 4 drives the screening cylinder 3 to rotate. As the screening cylinder 3 rotates, the second motor 7 drives the winding shaft 6 to rotate. The winding shaft 6 drives the winding wheel 8 to rotate, winding or unwinding the winding rope. The winding rope lifts one end of the fixed bucket 2, causing the screening cylinder 3 to rotate. Thus, with the rotation of the screening cylinder 3 and the winding or unwinding of the winding rope, the ore continuously tumbles inside the screening cylinder 3 and passes through the screening cylinder. The screening holes on the surface of the ore are used to screen the ore. The ore that passes through the screening holes falls into the screening box 9. Since the ore is small in size, it is screened a second time. The vibration motor 11 drives the screening plate 10 to vibrate and screen the ore a second time. The ore that passes through the screening plate 10 falls into the receiving drawer 16 for collection. After screening is completed, the electric push rod 12 is operated. The electric push rod 12 drives one end of the screening plate 10 to move, so that the screening plate 10 is tilted and the ore on the screening plate 10 falls onto the conveyor belt 17 for conveying.

[0032] When the ore in the screening cylinder 3 falls into the screening box 9, the third motor 14 works, drives the lead screw 13 to rotate, the lead screw 13 rotates and drives the threaded plate 15 to move, the threaded plate 15 drives the screening box 9 to move, so that the ore is evenly distributed on the screening plate 10, which increases the screening effect of subsequent ore.

[0033] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A multi-stage vibrating screen for mining, comprising a base plate (1), a fixed hopper (2), and a screening box (9), characterized in that: The fixed bucket (2) is rotatably connected to a screening cylinder (3). The outer surface of the screening cylinder (3) is provided with multiple screening holes. The outer surface of the screening cylinder (3) is hinged with a cylinder door. The rear outer surface of the fixed bucket (2) is fixedly installed with a first motor (4). The output end of the first motor (4) is fixedly connected to the screening cylinder (3). The top outer surface of the bottom plate (1) is fixedly connected with two vertical plates (5) arranged symmetrically on the left and right. A winding shaft (6) is rotatably connected between the two vertical plates (5). The outer surface of one of the vertical plates (5) is fixedly installed with a second motor (7). The output end of the second motor (7) is fixedly connected to the winding shaft (6). The outer surface of the winding shaft (6) is fixedly fitted with a winding wheel (8). The other end of the winding wheel (8) is connected to the outer surface of the fixed bucket (2).

2. The multi-stage vibrating screen for mining according to claim 1, characterized in that: The screening box (9) is rotatably connected to a screening frame, and a screening plate (10) is set inside the screening frame. A spring is set between the screening frame and the screening plate (10). A support plate is fixedly connected inside the screening box (9). An electric push rod (12) is rotatably connected to the outer surface of the support plate. An installation plate is rotatably connected to the output end of the electric push rod (12). A vibration motor (11) is installed on the outer surface of the installation plate. The output end of the vibration motor (11) is fixedly connected to the screening plate (10).

3. A multi-stage vibrating screen for mining according to claim 1, characterized in that: The top outer surface of the base plate (1) is fixedly connected to two sets of support feet arranged symmetrically in front and behind. Each set of support feet consists of two feet. A lead screw (13) is rotatably connected between the two support feet in one set. A third motor (14) is fixedly installed on the outer surface of one of the support feet. The output end of the third motor (14) is fixedly connected to the lead screw (13). A threaded plate (15) is threadedly connected to the outer surface of the lead screw (13). The screening box (9) is located above the threaded plate (15).

4. A multi-stage vibrating screen for mining according to claim 2, characterized in that: The front side of the screening box (9) is provided with a through groove, and one end of the screening plate (10) extends to the outside of the screening box (9) through the through groove.

5. A multi-stage vibrating screen for mining according to claim 2, characterized in that: The screening box (9) is equipped with a receiving drawer (16) inside, and a conveyor belt (17) is provided above the base plate (1), with the conveyor belt (17) located below one end of the screening box.

6. A multi-stage vibrating screen for mining according to claim 1, characterized in that: The top outer surface of the base plate (1) is fixedly connected to two side plates arranged symmetrically on the left and right. A support shaft is rotatably connected between the two side plates, and the fixed bucket (2) is arranged between the two support shafts.

7. A multi-stage vibrating screen for mining according to claim 1, characterized in that: The bottom of the fixed bucket (2) is provided with an inclined guide plate.

8. A multi-stage vibrating screen for mining according to claim 3, characterized in that: Another set of two support legs are fixedly connected to a slide rod, and the threaded plate (15) is movably sleeved on the outer surface of the slide rod.

Images