CN112221703A

CN112221703A - Mineral resource flotation device for controlling ore feeding amount

Info

Publication number: CN112221703A
Application number: CN202011070054.7A
Authority: CN
Inventors: 李林贺
Original assignee: Yongkang Yongchang Mining Technology Co ltd
Current assignee: Yongkang Yongchang Mining Technology Co ltd
Priority date: 2020-10-09
Filing date: 2020-10-09
Publication date: 2021-01-15

Abstract

The invention discloses a mineral resource flotation device for controlling mineral feeding amount, which comprises a box body, wherein a mineral resource transmission mechanism is arranged at the top end of the rear side of the box body, an upper hopper groove with an upward opening is arranged at the top end of the box body, a gravity chute with an upward opening is arranged at the bottom wall of the upper hopper groove, an annular chute with an opening towards the gravity chute is arranged on the side wall of the gravity chute, a sliding ring is connected in the annular chute in a sliding manner, a support ring is fixedly arranged on the inner wall of the sliding ring, an electric on-off device is arranged at the bottom end of the support ring, an adjusting telescopic air bag is fixedly connected between the bottom surface of the sliding ring and the annular chute, and a left metal strip is fixedly arranged on the front end wall of the annular chute. And when the liquid level of the ore pulp is too high, the flushing can be automatically stopped to avoid the overflow of the ore pulp.

Description

Mineral resource flotation device for controlling ore feeding amount

Technical Field

The invention relates to the technical field related to mining and processing of mineral resources, in particular to a mineral resource flotation device for controlling ore feeding amount.

Background

The mineral processing is a process of separating useful mineral particles with certain shape and size from mined ore containing useful minerals by applying external force, and then relatively enriching the useful minerals by physical, chemical and physical and chemical methods and separating the useful minerals from gangue minerals.

Most suitable ore pulp concentration will be confirmed according to ore nature and flotation condition, and the mineral resources flotation device in present stage is directly leading-in with the mineral, can not carry out the control of weight, can lead to the concentration of ore pulp to unsuitable to reduce the quality and the efficiency of flotation, wash the in-process to the ore moreover and can not automatic real-time observation ore pulp liquid level, can lead to the ore pulp to spill over, cause the waste.

Disclosure of Invention

Aiming at the technical defects, the invention provides a mineral resource flotation device for controlling the ore feeding amount, which can overcome the defects.

The mineral resource flotation device for controlling the ore feeding amount comprises a box body, wherein a mineral resource transmission mechanism is arranged at the top end of the rear side of the box body, an upward hopper groove with an upward opening is arranged at the top end of the box body, a gravity chute with an upward opening is arranged at the bottom wall of the upward hopper groove, an annular chute with an opening toward the gravity chute is arranged on the side wall of the gravity chute, a sliding ring is connected in the annular chute in a sliding manner, a support ring is fixedly arranged on the inner wall of the sliding ring, an electric on-off device is arranged at the bottom end of the support ring, an adjusting telescopic air bag is fixedly connected between the bottom surface of the sliding ring and the annular chute, a left metal strip is fixedly arranged on the front end wall of the annular chute, a vent pipe is fixedly arranged at the front end of the adjusting telescopic air bag, a road, communicating through-hole around being provided with in the breather block, breather pipe spring front end wall is provided with down the gas distribution pipe, the through-hole can communicate the breather pipe with down the gas distribution pipe, the fixed regulation atmospheric pressure chamber that is provided with in gas distribution pipe front end down, it has lower regulating piston to adjust the intracavity sliding connection, it is fixed with right metal strip to adjust the chamber rear end wall, it has last regulating piston to adjust atmospheric pressure chamber top sliding connection, lower regulating piston can with right metal strip left side metal strip the sliding ring reaches electronic break-make equipment is connected jointly to the support ring rather than being located go up the time delay open circuit between the power in the regulating piston, go up regulating piston mountain bike be provided with box threaded connection's adjusting screw.

Preferably, the support ring is located in the gravity chute and slidably connected with the gravity chute, the top end of the support ring is provided with a movable hopper groove with an upward opening, the bottom wall of the movable hopper groove is provided with the electric on-off device, the upper end of the lower gas distribution pipe is fixedly provided with an upper gas distribution pipe with a backward pipe orifice, the rear end wall of the transition block chute is provided with an exhaust pipe which is located at the upper side of the vent pipe and the right end of which is communicated with the outside, the through hole can be communicated with the upper gas distribution pipe and the exhaust pipe, the bottom surface of the lower adjusting piston is connected with the adjusting gas pressure cavity through a lower adjusting spring, the top surface of the upper adjusting piston is connected with the adjusting gas pressure cavity through an upper adjusting spring, the adjusting screw is in threaded connection with an adjusting nut located at the upper side of the top end of the box body, the bottom wall, block the sloping block spout diapire and be provided with the ascending slide pipe spout of opening, sliding connection has the slide pipe in the slide pipe spout, the slide pipe bottom surface with fixedly connected with flexible gasbag pipe between the slide pipe spout, flexible gasbag pipe left side is provided with the anti-overflow and sprays the mechanism, slide pipe spout diapire is provided with the ascending lower fill groove of opening, fill groove diapire is provided with the ascending import pipe of opening down, the import pipe diapire is provided with the flotation device who is located the flotation cavity, the flotation cavity set up in the bottom half.

Preferably, transmission mineral resources mechanism including set up in box top rear portion and the ascending transmission groove of opening, be provided with the initiative transmission wheel in the transmission groove, initiative transmission wheel and initiative shaft fixed connection, the initiative shaft with the box rotates and connects, the fixed band pulley that is provided with in initiative shaft left end, it is located the belt intracavity to go up the band pulley, it passes through the belt and is connected with the lower band pulley that is located its downside to go up the band pulley, belt chamber right-hand member wall is provided with opening tensioning piece spout to the left, sliding connection has the tensioning piece in the tensioning piece spout, tensioning piece right-hand member face with through tensioning piece spring coupling between the tensioning piece spout, band pulley and motor shaft fixed connection down, the motor shaft with the box rotates to be connected, motor shaft left end power is connected with the motor.

Preferably, the blocking mechanism comprises blocking swash blocks which are arranged in the blocking swash block sliding grooves in a bilateral symmetry manner and are in sliding connection with the blocking swash blocks, the end faces of the blocking swash blocks, which are far away from the gravity sliding grooves, are connected with the blocking swash block sliding grooves through blocking swash block springs, one-way air pipes are symmetrically and fixedly arranged at the upper ends and the lower ends of the blocking swash block sliding grooves, which are far away from the gravity sliding grooves, one-way valves are arranged in the one-way air pipes, the air flow in the one-way air pipes at the upper sides is larger than that in the one-way air pipes at the lower sides, blocking air pressure chambers are fixedly arranged at the ends, which are far away from the gravity sliding grooves, of the blocking swash blocks, blocking pistons are connected in the blocking air pressure chambers in a sliding connection manner, the end faces, which are far away from the gravity sliding grooves, the lower adjusting piston and the right metal strip can be connected with a circuit between the blocking electromagnet and a power supply located in the upper adjusting piston, a pull rope is fixedly arranged on the right end face of the blocking piston on the left side, and the top end of the pull rope bypasses a winding rod and is fixedly connected with the right end face of the tensioning block.

Preferably, the anti-overflow spraying mechanism comprises an air pipe fixedly arranged at the left end of the telescopic air bag pipe, a telescopic pipe air pressure cavity is fixedly arranged at the left end of the air pipe, a telescopic pipe piston is connected in the telescopic pipe air pressure cavity in a sliding manner, the right end face of the telescopic pipe piston is connected with the telescopic pipe air pressure cavity through a pipe piston spring, a clear water storage cavity is arranged at the left side of the telescopic pipe air pressure cavity, a water pipe is fixedly arranged at the right end of the clear water storage cavity, the water pipe is connected with the power of a water pump, a spraying device is fixedly arranged on the side wall of the inlet pipe, the right end of the water pipe is fixedly connected with the spraying device, a floating rod chute with a downward opening is arranged on the top wall of the flotation cavity, a floating rod is connected in the floating rod chute in a sliding manner, the metal sliding block can be connected with a circuit between the water pump and a power supply together with the telescopic pipe piston, and a buoy is fixedly arranged at the bottom end of the floating rod.

The beneficial effects are that: the device can select different ore feeding amounts according to the most suitable ore pulp concentration, and control the weight of each time of pouring of mineral resources, so that the concentration of the ore pulp can be controlled and adjusted, the concentration of the ore pulp is always in an appropriate range, the quality and the efficiency of flotation are improved, the liquid level of the ore pulp can be automatically observed in real time in the process of flushing the ore, and the flushing can be automatically stopped when the liquid level of the ore pulp is too high, so that the overflow of the ore pulp is avoided, and the waste of the mineral resources is reduced.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a mineral resource flotation device for controlling ore feeding amount according to the invention;

FIG. 2 is a schematic view of A-A in FIG. 1 according to an embodiment of the present invention;

FIG. 3 is an enlarged schematic view of the structure at B in FIG. 1 according to an embodiment of the present invention;

FIG. 4 is an enlarged schematic view of the structure at C in FIG. 1 according to an embodiment of the present invention;

fig. 5 is an enlarged schematic view of the structure at D in fig. 2 according to the embodiment of the present invention.

Detailed Description

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.

The invention will now be described in detail with reference to fig. 1-5, for convenience of description, the following orientations will now be defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The mineral resource flotation device for controlling the ore feeding amount comprises a box body 10, a mineral resource transmission mechanism is arranged at the top end of the rear side of the box body 10, an upper hopper groove 14 with an upward opening is arranged at the top end of the box body 10, a gravity sliding groove 19 with an upward opening is arranged at the bottom wall of the upper hopper groove 14, an annular sliding groove 17 with an upward opening towards the gravity sliding groove 19 is arranged on the side wall of the gravity sliding groove 19, a sliding ring 15 is connected in the annular sliding groove 17 in a sliding manner, a support ring 28 is fixedly arranged on the inner wall of the sliding ring 15, an electric on-off device 27 is arranged at the bottom end of the support ring 28, an adjusting telescopic air bag 16 is fixedly connected between the bottom surface of the sliding ring 15 and the annular sliding groove 17, a left metal strip 76 is fixedly arranged on the front end wall of the annular sliding groove 17, a vent pipe 68 is fixedly, the air exchanging block 67 is connected in the road exchanging block sliding groove 59 in a sliding way, a through hole 69 which is communicated with the front and the back is arranged in the air exchanging block 67, the front end wall of the ventilation pipe spring 71 is provided with a lower gas distribution pipe 72, the through hole 69 can communicate the ventilation pipe 68 and the lower gas distribution pipe 72, the front end of the lower air distributing pipe 72 is fixedly provided with an adjusting air pressure cavity 64, a lower adjusting piston 65 is connected in the adjusting air pressure cavity 64 in a sliding way, the rear end wall of the adjusting air pressure cavity 64 is fixedly provided with a right metal strip 75, the top end of the adjusting air pressure cavity 64 is connected with an upper adjusting piston 63 in a sliding way, the lower adjusting piston 65 can be connected with the right metal strip 75, the left metal strip 76, the slip ring 15 and the support ring 28 together to a time-delay disconnection circuit between the electric on-off device 27 and the power supply thereof in the upper adjusting piston 63, the upper adjusting piston 63 is provided with an adjusting screw 60 in threaded connection with the case 10.

Beneficially, the support ring 28 is located in the gravity sliding chute 19 and slidably connected thereto, the top end of the support ring 28 is provided with a movable bucket groove 29 with an upward opening, the bottom wall of the movable bucket groove 29 is provided with the electric on-off device 27, the upper end of the lower gas distribution pipe 72 is fixedly provided with an upper gas distribution pipe 73 with a backward pipe orifice, the rear end wall of the switch block sliding chute 59 is provided with a gas exhaust pipe 70 located on the upper side of the gas vent pipe 68 and having a right end communicated with the outside, the through hole 69 can communicate the upper gas distribution pipe 73 with the gas exhaust pipe 70, the bottom surface of the lower adjusting piston 65 is connected with the adjusting gas pressure cavity 64 through a lower adjusting spring 66, the top surface of the upper adjusting piston 63 is connected with the adjusting gas pressure cavity 64 through an upper adjusting spring 62, the adjusting screw 60 is in threaded connection with an adjusting nut 61 located on the upper side of the top end of the box, block in the sloping block spout 36 bilateral symmetry and be provided with and block the mechanism, it is provided with the ascending slide tube spout 77 of opening to block the sloping block spout 36 diapire, sliding connection has slide tube 26 in the slide tube spout 77, slide tube 26 bottom surface with fixedly connected with flexible gasbag pipe 47 between the slide tube spout 77, flexible gasbag pipe 47 left side is provided with the anti-overflow and sprays the mechanism, slide tube spout 77 diapire is provided with the ascending lower hopper groove 25 of opening, hopper groove 25 diapire is provided with the ascending import pipe 24 of opening down, import pipe 24 diapire is provided with the flotation device 21 that is located flotation chamber 20, flotation chamber 20 set up in the box 10 bottom.

Beneficially, the mineral resource conveying mechanism includes a conveying groove 12 disposed at the rear part of the top end of the box 10 and having an upward opening, a driving transmission wheel 13 is disposed in the conveying groove 12, the driving transmission wheel 13 is fixedly connected with a driving wheel shaft 31, the driving wheel shaft 31 is rotatably connected with the box 10, an upper belt wheel 30 is fixedly disposed at the left end of the driving wheel shaft 31, the upper belt wheel 30 is located in a belt cavity 78, the upper belt wheel 30 is connected with a lower belt wheel 74 located at the lower side thereof through a belt 45, a tensioning block sliding groove 32 having a leftward opening is disposed at the right end wall of the belt cavity 78, a tensioning block 44 is slidably connected in the tensioning block sliding groove 32, a tensioning block spring 33 is connected between the right end surface of the tensioning block 44 and the tensioning block sliding groove 32, the lower belt wheel 74 is fixedly connected with a motor shaft 43, and the motor shaft 43 is rotatably connected with, the left end of the motor shaft 43 is connected with a motor 42 in a power mode.

Beneficially, the blocking mechanism includes blocking swash blocks 18 which are arranged in the blocking swash block sliding grooves 36 in a bilateral symmetry manner and are connected with the blocking swash block sliding grooves 36 in a sliding manner, the end surface of the blocking swash block 18 far away from the gravity sliding groove 19 is connected with the blocking swash block sliding grooves 36 through blocking swash block springs 37, one ends of the blocking swash block sliding grooves 36 far away from the gravity sliding groove 19 are fixedly and vertically provided with one-way air pipes 35 in a symmetrical manner, one-way valves are arranged in the one-way air pipes 35, the air flow in the one-way air pipes 35 at the upper side is larger than that in the one-way air pipes 35 at the lower side, one ends of the one-way air pipes 35 at the upper side and the lower side far away from the gravity sliding groove 19 are fixedly provided with blocking air pressure cavities 40, blocking pistons 38 are connected in the blocking air pressure cavities 40 in a sliding manner, block that atmospheric pressure chamber 40 keeps away from the fixed electro-magnet 41 that is provided with of end wall of gravity spout 19, adjust piston 65 down and right metal strip 75 can connect block electro-magnet 41 and be located it adjusts the circuit between the power in the piston 63 to block, the left side block that piston 38 right-hand member face is fixed and be provided with stay cord 34, stay cord 34 top bypass the wire winding pole with tensioning block 44 right-hand member face fixed connection.

Beneficially, the anti-overflow spraying mechanism comprises an air pipe 46 fixedly arranged at the left end of the telescopic air bag pipe 47, a telescopic pipe air pressure cavity 56 is fixedly arranged at the left end of the air pipe 46, a telescopic pipe piston 57 is connected in the telescopic pipe air pressure cavity 56 in a sliding manner, the right end face of the telescopic pipe piston 57 is connected with the telescopic pipe air pressure cavity 56 through a pipe piston spring 58, a clear water storage cavity 23 is arranged at the left side of the telescopic pipe air pressure cavity 56, a water pipe 54 is fixedly arranged at the right end of the clear water storage cavity 23, the water pipe 54 is in power connection with a water pump 48, a spraying device 49 is fixedly arranged on the side wall of the inlet pipe 24, the right end of the water pipe 54 is fixedly connected with the spraying device 49, a floating rod sliding groove 52 with a downward opening is arranged on the top wall of the flotation cavity 20, a floating rod 51 is connected in the floating rod, the top end of the floating rod 51 is fixedly provided with a metal sliding block 50, the metal sliding block 50 and the telescopic pipe piston 57 can be jointly connected with a circuit between the water pump 48 and a power supply thereof, and the bottom end of the floating rod 51 is fixedly provided with a buoy 22.

In the initial state, the adjusting telescopic airbag 16, the lower adjusting spring 66, the upper adjusting spring 62, the tensioning block spring 33, the blocking inclined block spring 37, the blocking piston spring 39 and the floating rod spring 53 are in the normal tension state, the telescopic airbag tube 47 is in the compression state, the belt 45 is in the tension state, and the tube piston spring 58 is in the tension state;

sequence of mechanical actions of the whole device:

1. the support ring 28 and the electric on-off device 27 are pressed downwards to the bottom end, so that the gas in the adjusting telescopic air bag 16 is completely extruded into the adjusting air pressure cavity 64 through the vent pipe 68, the through hole 69 and the lower air distribution pipe 72, the air exchange block 67 is pushed upwards, so that the through hole 69 is communicated with the exhaust pipe 70 and the upper air distribution pipe 73, the adjusting nut 61 is unscrewed, the adjusting screw rod 60 is pushed upwards or downwards for adjustment, so that the upper adjusting piston 63 moves upwards or downwards, the upper adjusting piston 63 moves downwards, so that the gas in the adjusting air pressure cavity 64 is discharged through the upper air distribution pipe 73, the through hole 69 and the exhaust pipe 70, the gas quantity in the adjusting air pressure cavity 64 is reduced, the length of the adjusting telescopic air bag 16 capable of extending in the ore feeding process is reduced, the length of the support ring 28 and the electric on-off device 27 capable of descending is reduced, and the weight of mineral resources poured each time is reduced, thereby reducing the ore feeding amount, the upper adjusting piston 63 moves upwards, so that the external gas enters the adjusting air pressure cavity 64 through the upper gas distributing pipe 73, the through hole 69 and the exhaust pipe 70, thereby increasing the gas quantity in the adjusting gas pressure cavity 64, increasing the length of the adjusting telescopic air bag 16 which can be extended in the ore feeding process, so that the length of the support ring 28 and the electric on-off device 27 that can be lowered is increased, so that the weight of the mineral resources poured each time is increased, thereby increasing the ore feeding amount, screwing the adjusting nut 61 after adjusting the gas amount corresponding to the required ore feeding amount, releasing the air exchange block 67, the support ring 28 and the electric on-off device 27, so that the ventilation block 67 moves downwards under the reset action of the ventilation tube spring 71, so that the through hole 69 is communicated with the ventilation tube 68 and the lower gas distribution tube 72, so that the support ring 28 and the electric on-off device 27 move upwards under the reset action of the adjusting telescopic air bag 16;

2. the motor 42 is started, so that the motor shaft 43 rotates, so that the lower belt wheel 74 rotates, so that the upper belt wheel 30 rotates, so that the driving wheel shaft 31 rotates, so that the driving transmission wheel 13 starts to transmit mineral resources, so that the mineral resources fall to the upper side of the supporting ring 28 and the electric on-off device 27, so that the supporting ring 28 and the electric on-off device 27 move downwards under the action of gravity, so that the gas in the adjusting telescopic air bag 16 is squeezed into the adjusting gas pressure cavity 64 through the vent pipe 68, the through hole 69 and the lower gas distribution pipe 72, so that the lower adjusting piston 65 moves upwards, after the set weight of each poured mineral resource is reached, the lower adjusting piston 65 moves upwards to be in contact with the upper adjusting piston 63, so that the lower adjusting piston 65, the right metal strip 75, the left metal strip 76, the slip ring 15 and the supporting ring 28 are jointly connected with a time delay circuit between the supporting ring 28 and the power supply, thereby the electric on-off device 27 is powered on and opened, so that mineral resources fall downwards, the lower adjusting piston 65 and the right metal strip 75 are simultaneously connected with a circuit between the blocking electromagnet 41 and a power supply thereof, so that the blocking electromagnet 41 attracts the blocking piston 38 to move back to the gravity chute 19, so that gas in the blocking inclined block chute 36 is pumped into the blocking air pressure chamber 40 through the upper one-way air pipe 35, so that the blocking inclined block 18 moves back to the gravity chute 19, so that the mineral resources continue to fall, the sliding pipe 26 moves upwards under the resetting action of the telescopic air bag pipe 47, so that the mineral resources fall into the flotation device 21 through the inside of the sliding pipe 26, the inside of the telescopic air bag pipe 47, the lower hopper groove 25 and the inlet pipe 24 for flotation operation, the left blocking piston 38 moves back to the gravity chute 19, so that the pull rope 34 pulls the tensioning block 44 to move rightwards, so that the belt 45 is loose, thereby stopping the movement of the upper belt wheel 30, and not transmitting the mineral resources in the falling process of the mineral resources;

3. the sliding pipe 26 moves upwards under the reset action of the telescopic air bag pipe 47 so as to draw the air in the telescopic air bag air pressure cavity 56 into the telescopic air bag pipe 47 through the air pipe 46, so that the telescopic pipe piston 57 moves rightwards to the rightmost end position under the reset action of the pipe piston spring 58, so that the telescopic pipe piston 57 and the metal slide block 50 are jointly connected with a circuit between the water pump 48 and a power supply thereof, the water pump 48 is started, clean water is transmitted into the spraying device 49 from the clean water storage cavity 23 through the water pipe 54 to be sprayed, when the liquid level of ore pulp is too high, the liquid level contacts with the float 22, so that the float 22 moves upwards under the action of buoyancy, the floating rod 51 and the metal slide block 50 move upwards, the metal slide block 50 breaks the circuit between the spraying device 49 and the power supply thereof, the water pump 48 is closed, and the spraying is stopped to avoid overflow of the ore;

4. when the device needs to be reset, mineral resources fall so that the gravity action on the support ring 28 is reduced, the support ring 28, the electric on-off device 27 and the sliding ring 15 move upwards to the topmost position under the reset action of the adjusting telescopic air bag 16, the lower adjusting piston 65 moves downwards under the reset action of the lower adjusting spring 66, the delay circuit is completed, the electric on-off device 27 is powered off and closed, the lower adjusting piston 65 moves downwards so that the blocking electromagnet 41 is switched off, the blocking piston 38 moves towards the direction close to the gravity sliding groove 19 under the reset action of the blocking piston spring 39, so that the gas in the blocking air pressure cavity 40 slowly enters the blocking inclined block sliding groove 36 through the lower unidirectional air pipe 35, the blocking inclined block 18 slowly moves towards the direction close to the gravity sliding groove 19 under the reset action, and the passage is closed after the mineral resources completely fall, the left blocking piston 38 moves to the rightmost end position to move the tensioning block 44 to the leftmost end position to tension the belt 45 by the return action of the tensioning block spring 33, thereby rotating the upper pulley 30 to continue the mineral resource transfer, the blocking piston 38 moves in a direction close to the gravity chute 19 to move the slide tube 26 downward to move the extension tube piston 57 to the left, thereby opening the circuit between the water pump 48 and its power supply to stop spraying, and the device is reset.

The above description is only an embodiment of the invention, but the scope of the invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the invention. Therefore, the protection scope of the invention should be subject to the protection scope defined by the claims.

Claims

1. The utility model provides a control mineral resources flotation device of ore feeding volume, includes the box, its characterized in that: the mineral resource transmission mechanism is arranged at the top end of the rear side of the box body, the top end of the box body is provided with an upward hopper groove with an upward opening, the bottom wall of the upward hopper groove is provided with a gravity chute with an upward opening, the side wall of the gravity chute is provided with an annular chute with an upward opening, the annular chute is connected with a sliding ring in a sliding way, the inner wall of the sliding ring is fixedly provided with a support ring, the bottom end of the support ring is provided with an electric on-off device, an adjusting telescopic air bag is fixedly connected between the bottom surface of the sliding ring and the annular chute, the front end wall of the annular chute is fixedly provided with a left metal strip, the front end of the adjusting telescopic air bag is fixedly provided with an air pipe, the front end of the air pipe is provided with a road changing block chute with a downward opening, the road changing, the through-hole can communicate the breather pipe with the gas-distributing pipe down, the fixed regulation atmospheric pressure chamber that is provided with in gas-distributing pipe front end down, regulation atmospheric pressure intracavity sliding connection has down adjusting piston, the fixed right metal strip that is provided with of regulation atmospheric pressure chamber rear end wall, it has last adjusting piston to adjust atmospheric pressure chamber top sliding connection, down adjusting piston can with right metal strip left side metal strip the sliding ring reaches electronic break-make equipment is connected jointly to the support ring rather than being located go up the time delay open circuit between the power in the adjusting piston, go up adjusting piston mountain bike be provided with box threaded connection's adjusting screw.

2. The mineral resource flotation device for controlling the ore feeding amount according to claim 1, wherein: the support ring is positioned in the gravity chute and is in sliding connection with the gravity chute, the top end of the support ring is provided with a movable hopper groove with an upward opening, the bottom wall of the movable hopper groove is provided with the electric on-off device, the upper end of the lower gas distribution pipe is fixedly provided with an upper gas distribution pipe with a backward pipe orifice, the rear end wall of the transition block chute is provided with an exhaust pipe which is positioned at the upper side of the vent pipe and the right end of which is communicated with the outside, the through hole can be communicated with the upper gas distribution pipe and the exhaust pipe, the bottom surface of the lower adjusting piston is connected with the adjusting gas pressure cavity through a lower adjusting spring, the top surface of the upper adjusting piston is connected with the adjusting gas pressure cavity through an upper adjusting spring, the adjusting screw is in threaded connection with an adjusting nut positioned at the upper side of the top end of the box body, block the sloping block spout diapire and be provided with the ascending slide pipe spout of opening, sliding connection has the slide pipe in the slide pipe spout, the slide pipe bottom surface with fixedly connected with flexible gasbag pipe between the slide pipe spout, flexible gasbag pipe left side is provided with the anti-overflow and sprays the mechanism, slide pipe spout diapire is provided with the ascending lower fill groove of opening, fill groove diapire is provided with the ascending import pipe of opening down, the import pipe diapire is provided with the flotation device who is located the flotation cavity, the flotation cavity set up in the bottom half.

3. The mineral resource flotation device for controlling the ore feeding amount according to claim 1, wherein: mineral resource mechanism is including set up in box top rear portion and the ascending transmission groove of opening, be provided with the initiative transmission wheel in the transmission groove, initiative transmission wheel and driving wheel axle fixed connection, the driving wheel axle with the box rotates and connects, the fixed band pulley that is provided with in driving wheel axle left end, it is located the belt cavity to go up the band pulley, it passes through the belt and is connected with the lower band pulley that is located its downside to go up the band pulley, belt cavity right-hand member wall is provided with opening tensioning piece spout left, sliding connection has the tensioning piece in the tensioning piece spout, tensioning piece right-hand member face with through tensioning piece spring coupling between the tensioning piece spout, band pulley and motor shaft fixed connection down, the motor shaft with the box rotates to be connected, motor shaft left end power is connected with the motor.

4. The mineral resource flotation device for controlling the ore feeding amount according to claim 2, wherein: the blocking mechanism comprises blocking swash blocks which are arranged in the blocking swash block sliding grooves in a bilateral symmetry mode and are connected with the blocking swash blocks in a sliding mode, the end face, far away from the gravity sliding grooves, of each blocking swash block is connected with the blocking swash block sliding grooves through blocking swash block springs, one-way air pipes are symmetrically and fixedly arranged at the upper end and the lower end, far away from the gravity sliding grooves, of each blocking swash block sliding groove, one-way valves are arranged in the one-way air pipes, the air flow in the one-way air pipes at the upper side is larger than that in the one-way air pipes at the lower side, blocking air pressure cavities are fixedly arranged at the upper end and the lower end, far away from the gravity sliding grooves, of each blocking swash block, blocking pistons are connected in the blocking air pressure cavities in a sliding mode, the end faces, far away from the gravity sliding grooves, the lower adjusting piston and the right metal strip can be connected with a circuit between the blocking electromagnet and a power supply located in the upper adjusting piston, a pull rope is fixedly arranged on the right end face of the blocking piston on the left side, and the top end of the pull rope bypasses a winding rod and is fixedly connected with the right end face of the tensioning block.

5. The mineral resource flotation device for controlling the ore feeding amount according to claim 2, wherein: the anti-overflow spraying mechanism comprises a gas pipe fixedly arranged at the left end of a telescopic air bag pipe, a telescopic pipe air pressure cavity is fixedly arranged at the left end of the gas pipe, a telescopic pipe piston is connected in the telescopic pipe air pressure cavity in a sliding mode, the right end face of the telescopic pipe piston is connected with the telescopic pipe air pressure cavity through a pipe piston spring, a clear water storage cavity is arranged at the left side of the telescopic pipe air pressure cavity, a water pipe is fixedly arranged at the right end of the clear water storage cavity, the water pipe is connected with power of a water pump, a spraying device is fixedly arranged on the side wall of the inlet pipe, the right end of the water pipe is fixedly connected with the spraying device, the top wall of the flotation cavity is provided with a floating rod chute with a downward opening, a floating rod is connected in the floating rod chute in a sliding mode, the top surface of the floating rod is connected with the floating rod chute through a floating And a buoy is fixedly arranged at the bottom end of the floating rod.