Channel type vibration separation equipment for ore screening

Abstract

The utility model discloses channel type vibration separation equipment for ore screening. Three material stirring mechanisms which are located above a screen and arranged at intervals in the moving direction of the screen are installed on a machine frame. The material stirring mechanism comprises a rotating shaft, a rotating cylinder fixed to the rotating shaft and a material stirring plate with the root fixedly installed on the rotating cylinder. A material stirring motor is further fixedly installed on the rack, a driving belt wheel is installed on an output shaft of the material stirring motor, a driven belt wheel in transmission connection with the driving belt wheel through a belt is installed at one end of a rotating shaft of the middle material stirring mechanism, and a chain wheel is installed at the other end of the rotating shaft. The other ends of the rotating shafts of the other two shifting mechanisms are provided with chain wheels respectively, and the adjacent chain wheels are in transmission connection through chains. Three material stirring mechanisms which are arranged at intervals along the trend of the screen mesh are arranged above the screen mesh. The three material stirring mechanisms are driven by one material stirring motor to synchronously work, so that multi-point flattening along the screen is realized, the arrangement of a power mechanism is further simplified, and the equipment manufacturing and maintenance cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of ore dressing equipment, in particular to ore vibration screening equipment. Background Art

[0002] According to the existing technology, when screening ore, the usual practice is to pour the crushed ore onto the screen of the vibrating screening machine, and drive the crushed ore to vibrate and move forward through the vibration mechanism, so as to screen the crushed ore into coarse-grained ore (on-screen product) and fine-grained ore (under-screen product). In actual use, it is found that this type of vibrating screening machine generally has the problem of ore accumulation on the screen. When the ore is piled up together, it will seriously affect the screening efficiency.

[0003] In order to solve the above technical problems, the Chinese utility model with the authorization announcement number CN216225399U discloses an "anti-blocking vibrating coal screening machine", whose "the rotating end of the second motor is fixedly installed with a toggle blade, and the toggle blade is arranged between the screen and the support frame. When in use, the coal is poured onto the screen, and the second motor drives the toggle blade to rotate. The toggle blade pushes the coal to facilitate screening and prevents the screen from being blocked due to coal accumulation." This toggle blade mechanism is applied to ore vibrating screening machines, which can flatten the material and improve the screening efficiency. However, its toggle blade is a horizontal rotary design, and the material-shifting area is circular, which is not suitable for channel-type vibrating sorting equipment. The screen of the channel-type vibrating sorting equipment is a rectangle with a long side (material travel direction) much larger than the short side. If multiple toggle blade mechanisms are arranged along the length direction, it is necessary to add multiple motors, which will greatly increase the equipment manufacturing and maintenance costs. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a channel type vibration sorting equipment for ore screening, which firstly has the function of multi-point flattening along the screen direction and only adopts one motor to realize the whole flattening operation drive; secondly, realizes the control and adjustment of the feed layer thickness.

[0005] The technical solution of the utility model is as follows:

[0006] A channel-type vibration sorting equipment for ore screening comprises a frame, a screen is installed on the frame, the height of the screen gradually decreases from the feed end to the discharge end, and three material-discharging mechanisms are installed on the frame, which are located above the screen and arranged at intervals along the direction of the screen; the material-discharging mechanism comprises a rotating shaft, a rotating drum fixed on the rotating shaft, and a material-discharging plate fixedly installed on the rotating drum; a material-discharging motor is fixedly installed on the frame, a driving pulley is installed on the output shaft of the material-discharging motor, a driven pulley connected to the driving pulley through a belt is installed at one end of the rotating shaft of the middle one of the three material-discharging mechanisms, and a sprocket is installed at the other end; sprockets are respectively installed at the other ends of the rotating shafts of the remaining two of the three material-discharging mechanisms; adjacent sprockets are connected by chain transmission.

[0007] Preferably, a limit plate located above the feeding end of the screen is also installed on the frame; there is a gap between the limit plate and the screen to allow an ore layer with a thickness not exceeding the standard to pass through; and a feeding hopper is provided on the front side of the limit plate.

[0008] Further preferably, a fixing seat located outside the limit plate is fixedly installed on the frame, and the fixing seat is provided with a longitudinal slide groove; a screw rod and a driving block sliding up and down along the longitudinal slide groove are provided in the longitudinal slide groove; a threaded hole is longitudinally provided in the driving block, and the screw rod is threadedly connected in the threaded hole; sliding blocks are respectively connected to both sides of the limit plate, and the sliding blocks are located on the upper side of the driving block on the same side and have a longitudinally arranged through hole, and the screw rod passes through the through hole of the sliding block on that side.

[0009] Compared with the prior art, the utility model has the following beneficial effects.

[0010] First, the utility model is provided with three material-dispensing mechanisms arranged at intervals along the direction of the screen. Only one material-dispensing motor is used to drive the three material-dispensing mechanisms to work synchronously, which not only realizes multi-point flattening along the direction of the screen, but also further simplifies the layout of the power mechanism and reduces the equipment manufacturing and maintenance costs.

[0011] Second, the frame of the utility model is also equipped with a limit plate located above the feeding end of the screen. There is a gap between the limit plate and the screen that allows the ore layer with a thickness that does not exceed the standard to pass through, that is, the thickness of the ore layer to be screened is limited by the limit plate to avoid too much ore entering the screening operation per unit time. In addition, the limit plate is a lifting structure, which can conveniently adjust the feeding speed. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the utility model;

[0013] Figure 2 This is a structural schematic diagram of the material shifting and driving mechanism of the embodiment of the utility model;

[0014] Figure 3 It is a structural schematic diagram of the limit plate lifting mechanism of an embodiment of the utility model.

[0015] In the figure: 1. frame; 2. screen; 3. receiving plate; 4. material discharging motor; 5. material discharging mechanism; 5-1. rotating shaft; 5-2. rotating drum; 5-3. material discharging plate; 6. feeding hopper; 7. limiting plate; 8. driving pulley; 9. belt; 10. driven pulley; 11. sprocket; 12. chain; 13. screw rod; 14. fixed seat; 14-1. longitudinal slide groove; 15. sliding block; 16. driving block. DETAILED DESCRIPTION

[0016] The utility model is described in detail below in conjunction with the embodiments and the accompanying drawings.

[0017] like Figure 1 , this embodiment includes a frame 1, on which a screen 2 is floatingly mounted, and the height of the screen 2 gradually decreases from the feed end to the discharge end. A vibration mechanism is installed inside the frame 1 and is located below the screen 2. The vibration mechanism includes a vibration motor and a transmission mechanism, and the vibration motor drives the screen 2 to vibrate up and down through the transmission mechanism. The vibration mechanism belongs to the prior art, and its drawings are omitted in this utility model. This embodiment also includes a receiving plate 3 installed on the frame 1 and located directly below the screen 2, and the receiving plate 3 is used to receive the material under the screen. The discharge end ( Figure 1 The right end of the receiving plate 3 is respectively connected to a discharge chute fixed on the frame. The discharge chute connected to the screen 2 is used to discharge the material on the screen, and the discharge chute connected to the receiving plate 3 is used to discharge the material under the screen.

[0018] The frame 1 is provided with a plurality of sieves located above the sieve 2 and along the direction of the sieve 2 ( Figure 1 The three material-dispensing mechanisms 5 are arranged at intervals in the left and right directions.

[0019] Combination Figure 1 and Figure 2 The material-dispensing mechanism 5 comprises a rotating shaft 5-1, a rotating drum 5-2 fixed on the rotating shaft 5-1, and a material-dispensing plate 5-3 fixed at the root thereof on the rotating drum 5-2. A material-dispensing motor 4 is fixedly mounted on the frame 1, and a driving pulley 8 is mounted on the output shaft of the material-dispensing motor 4. A driven pulley 10 connected to the driving pulley 8 through a belt 9 is mounted on one end of the rotating shaft 5-1 of the middle one of the three material-dispensing mechanisms 5, and a sprocket 11 is mounted on the other end. One end (the end on the same side as the other end, i.e., Figure 2 Sprockets 11 are respectively installed on the right end of each sprocket wheel, and adjacent sprocket wheels 11 are connected through chains 12.

[0020] The frame 1 is also provided with a feed end portion of the screen 2 ( Figure 1 The limit plate 7 is located above the left end of the limit plate 7. There is a gap between the limit plate 7 and the screen 2 that allows the ore layer with a thickness not exceeding the standard to pass through, that is, the thickness of the ore layer to be screened is limited by the limit plate 7 to avoid too much ore entering the screening operation per unit time. Figure 1 On the left side is a feeding hopper 6 with an open top surrounded by a limit plate 7 and a frame plate.

[0021] The limit plate 7 is a lifting structure, which is used to adjust the feeding speed. Figure 1 and Figure 3 The frame 1 is fixedly mounted with a device located outside the limit plate 7 ( Figure 1 The fixing seat 14 (on both sides of the front and rear), the fixing seat 14 is provided with a longitudinal groove 14-1. The longitudinal groove 14-1 is provided with a screw rod 13 and a driving block 16 that slides up and down along the longitudinal groove 14-1. The driving block 16 is provided with a threaded hole in the longitudinal direction, and the lower end of the screw rod 13 is threadedly connected in the threaded hole. Manually rotating the screw rod 13 can drive the driving block 16 to slide up and down along the longitudinal groove 14-1. Sliding blocks 15 are respectively connected to both sides of the limiting plate 7. The sliding block 15 is located on the upper side of the driving block 16 and has a longitudinally arranged through hole, and the screw rod 13 passes through the through hole. When the driving block 16 slides upward, it drives the sliding block 15 and the limiting plate 7 to rise, and when the driving block 16 slides downward, the sliding block 15 and the limiting plate 7 fall due to gravity.

[0022] When the material-dispensing motor 4 is started, it drives the driving pulley 8 to rotate, and the driving pulley 8 drives the driven pulley 10 to rotate through the belt 9. The driven pulley 10 drives the middle material-dispensing mechanism 5 to rotate, and drives the corresponding sprocket 11 to rotate. The sprocket 11 drives the adjacent sprocket 11 to rotate through the chain 12, and then drives the three material-dispensing mechanisms 5 to rotate. Under the action of the three material-dispensing mechanisms 5, the ore on the screen 2 is spread out by the sprocket, so as to avoid ore accumulation and improve the screening efficiency.

Claims

1. A channel-type vibrating sorting device for ore screening, comprising a frame (1), a screen (2) mounted on the frame (1), the screen (2) gradually decreasing in height from a feed end to a discharge end, characterized in that: The frame (1) is provided with three material-discharging mechanisms (5) located above the screen (2) and arranged at intervals along the direction of the screen (2); the material-discharging mechanism (5) comprises a rotating shaft (5-1), a rotating drum (5-2) fixed on the rotating shaft (5-1), and a material-discharging plate (5-3) fixedly mounted on the rotating drum (5-2); a material-discharging motor (4) is fixedly mounted on the frame (1), a driving pulley (8) is mounted on the output shaft of the material-discharging motor (4), a driven pulley (10) connected to the driving pulley (8) via a belt (9) is mounted on one end of the rotating shaft (5-1) of the middle one of the three material-discharging mechanisms (5), and a sprocket (11) is mounted on the other end; sprockets (11) are respectively mounted on the other ends of the rotating shafts (5-1) of the other two of the three material-discharging mechanisms (5); adjacent sprockets (11) are connected via chains (12).

2. The channel type vibration sorting equipment for ore screening according to claim 1 is characterized in that: The frame (1) is also provided with a limit plate (7) located above the feeding end of the screen (2); a gap is provided between the limit plate (7) and the screen (2) to allow an ore layer with a thickness not exceeding the standard to pass through; and a feeding hopper (6) is provided on the front side of the limit plate (7).

3. The channel type vibration sorting equipment for ore screening according to claim 2 is characterized in that: A fixing seat (14) located outside the limiting plate (7) is fixedly mounted on the frame (1), and the fixing seat (14) is provided with a longitudinal slide groove (14-1); a screw rod (13) and a driving block (16) sliding up and down along the longitudinal slide groove (14-1) are arranged in the longitudinal slide groove (14-1); a threaded hole is longitudinally provided in the driving block (16), and the screw rod (13) is threadedly connected in the threaded hole; sliding blocks (15) are respectively connected to both sides of the limiting plate (7), and the sliding blocks (15) are located on the upper side of the driving block (16) on the same side and have a longitudinally arranged through hole, and the screw rod (13) passes through the through hole of the sliding block on the side.

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