CN116328954A - An environment-friendly automatic flotation machine - Google Patents

Abstract

The invention discloses an environment-friendly automatic flotation machine, which comprises a flotation tank, wherein a pulp inlet pipe and a pulp outlet pipe are respectively arranged at the left side and the right side of the flotation tank, a liquid distributor connected with the pulp inlet pipe is arranged in the flotation tank, a mounting frame is arranged at the top of the flotation tank, an air outlet main pipe connected with the mounting frame in a rotating manner is vertically arranged on the mounting frame in a penetrating manner, an air outlet branch pipe positioned below the liquid distributor is arranged at the lower end of the air outlet main pipe, a pumping mechanism connected with the air outlet main pipe is arranged at the upper end of the mounting frame, a foam scraping tank is arranged at the upper part of the right side wall of the flotation tank, and a foam scraping mechanism is arranged in the foam scraping tank. According to the invention, the mineral aggregate on the surface of the scraping plate can be cleaned and scraped through the cleaning plate, so that the automatic cleaning of the scraping plate is realized, equipment is not required to be stopped, the automatic classification of the floating mineral aggregate can be realized, secondary transfer of the mineral aggregate after the floating is not required, the working procedure is simplified, the manpower consumption and waste are reduced, and the working efficiency is improved.

Description

An environment-friendly automatic flotation machine

technical field

The invention relates to the technical field of flotation machines, in particular to an environment-friendly automatic flotation machine.

Background technique

Flotation machine is the abbreviation of flotation concentrator, which refers to the mechanical equipment that completes the flotation process. The ore pulp treated with chemicals is added to the flotation machine, and some of the ore particles are selectively fixed on the air bubbles by aeration; floating to the surface of the ore pulp is scraped off to form a foam product, and the rest is retained in the ore pulp to achieve The purpose of separating minerals; when the scraper is running, the mineral material will adhere to the scraper. In order to prevent too much attachment on the scraper and affect the work efficiency, the scraper needs to be cleaned regularly.

When the current flotation machine is cleaning the scraper, it is usually necessary to shut down the equipment, and then manually clean it, which cannot realize automatic cleaning during operation, which affects the production efficiency, is time-consuming and laborious, and increases the labor intensity of the workers. During the use of the separator, it is necessary to transfer the mineral materials after flotation twice, and then classify after the transfer, which complicates the process and increases manpower consumption and waste.

Contents of the invention

The purpose of the present invention is to solve the shortcomings in the prior art, and propose an environment-friendly automatic flotation machine.

In order to achieve the above object, the present invention adopts the following technical solutions:

An environment-friendly automatic flotation machine, comprising a flotation cell, the left and right sides of the flotation cell are respectively provided with a slurry inlet pipe and a slurry outlet pipe, and the interior of the flotation cell is provided with a cloth pipe connected to the slurry inlet pipe. Liquid device, the top of the flotation cell is provided with a mounting frame, the mounting frame is vertically penetrated with a gas outlet main pipe connected to it in rotation, and the lower end of the gas outlet main pipe is provided with a gas outlet branch below the liquid distributor. The upper end of the installation frame is provided with a pumping mechanism connected with the main pipe of the outlet, the upper part of the right side wall of the flotation cell is provided with a foam scraping groove, and the inside of the foam scraping groove is provided with a foam scraping mechanism. A collection bin is fixed on the right side wall, and the inside of the collection bin is provided with a cleaning mechanism. The inside of the collection bin is provided with a guide bucket, and the inside of the collection bin is provided with a grading mechanism connected to the lower end of the guide bucket. The outer wall of the flotation tank is provided with a linkage mechanism connected with the foam scraping mechanism and the grading mechanism, and the lower part of the side wall of the collection bin is provided with a discharge pipe.

As a further improvement of the present invention, the pumping mechanism includes an air pump arranged on the upper end of the installation frame, the output end of the air pump is connected with an air delivery pipe, and the end of the air delivery pipe away from the air pump is connected to the upper end of the main air outlet through a rotary joint, so The upper end of the mounting bracket is provided with a first motor, the output shaft of the first motor is fixed with a first spur gear, and the gas outlet main pipe is fixedly sleeved with a second spur gear, and the second spur gear is connected to the first spur gear. gears meshing.

As a further improvement of the present invention, the cleaning mechanism includes a fixed plate fixedly connected to the inner wall of the collection bin, the end of the fixed plate away from the inner wall of the collection bin is fixedly connected with a cleaning plate, and the cleaning plate is a U-shaped structure.

As a further improvement of the present invention, the grading mechanism includes a rotating cylinder that is rotatably sleeved on the lower end of the guide bucket, and a filter screen is embedded on the side wall of the rotating cylinder, and the lower end of the rotating cylinder passes through the collection bin. A fixed rod is fixed inside the drum, the upper side wall of the fixed rod is fixed with a first rotating rod, the lower side wall of the fixed plate is fixedly connected with a device box, and the upper end of the first rotating rod penetrates to the device box A second helical gear is fixedly connected inside, a fixed frame is fixedly connected to the outer wall of the collection bin, a second motor is installed on the side wall of the fixed frame, and the output shaft of the second motor passes through the fixed frame and is fixed A second rotating shaft is connected, and the end of the second rotating shaft away from the second motor passes through the side wall of the collection bin and the device box and is fixedly connected with a first helical gear, and the first helical gear meshes with the second helical gear.

As a further improvement of the present invention, the foam scraping mechanism includes a second rotating rod arranged inside the foam scraping groove, one end of the second rotating rod is rotatably connected to the inner wall of the foam scraping groove, and the second rotating rod The other end runs through the inner wall of the scraper tank and extends to the outside of the flotation tank. Four scraper members are arranged at equal intervals along the circumference on the side wall of the second rotating rod. The sleeve rod on the side wall of the second rotating rod, the end of the sleeve rod far away from the second rotating rod is slidably inserted with a movable rod, and the end of the movable rod far away from the sleeve rod is fixedly connected with a scraper, the inside of the sleeve rod A spring is provided, one end of the spring is connected to the inner wall of the sleeve rod, the other end of the spring is fixedly connected to the movable rod, and a guide groove is provided through the side wall of the sleeve rod, and the side wall of the movable rod The wall is fixedly connected with a limiting chute that slides inside the guide groove. A limiting chute is provided on the inner wall of the foam scraping tank, and the limiting chute slides inside the limiting chute.

As a further improvement of the present invention, the linkage mechanism includes a first rotating shaft that is rotatably connected to the outer wall of the flotation tank, the driving disc and the positioning disc are fixedly sleeved on the first rotating shaft, and the edge of the driving disc is fixed There is a dial column, the end of the second rotating rod located outside the flotation cell is fixedly connected with a driven plate, and the side wall of the driven plate is provided with four positioning slots and four shifting slots at equal intervals along the circumference, The shifting groove and the positioning groove are arranged at intervals, the shifting column corresponds to the shifting groove, the positioning groove corresponds to the positioning plate, the first sprocket is fixedly sleeved on the first rotating shaft, and the second rotating shaft is fixed A second sprocket is sheathed, and the second sprocket is connected with the first sprocket through a chain drive.

As a further improvement of the present invention, the side wall of the first rotating rod is fixedly sleeved with a helical blade and a defoaming spike located inside the guide bucket.

As a further improvement of the present invention, the number of the outlet branch pipes is three, and the three outlet branch pipes are equally spaced along the circumference of the outlet main pipe.

Beneficial effects of the present invention:

By setting up a linkage mechanism, a foam scraping mechanism, and a cleaning mechanism, the rotation of the second motor can drive the foam scraping mechanism to run through the linkage mechanism, and the rotation of the second rotating rod can drive the foam scraper to rotate, and the foam in the upper layer of the flotation cell will be removed by the scraper. Continuously hang to the collection bin, when the foam scraper rotates to the position close to the cleaning plate and is horizontally aligned with the cleaning plate, the limit sliding column breaks through the limit of the limit chute, and under the elastic force of the spring, the movable rod moves outward Move, drive the scraper through the inner side of the cleaning plate through the movable rod, and scrape off the mineral material on the surface of the scraper through the cleaning plate, so as to realize automatic cleaning of the scraper without stopping the equipment.

By setting the grading mechanism, the mineral material scraped into the collection bin through the foam scraping mechanism can be guided downward to the inside of the drum through the guide bucket. The net realizes the filtering and grading of mineral materials, which can realize the automatic classification of flotation mineral materials, without the need for secondary transfer of mineral materials after flotation, simplifies the process, reduces manpower consumption and waste, and is conducive to improving work efficiency.

By setting up the pumping mechanism, the air is pumped into the outlet main pipe and the outlet branch pipe through the air pump, the outlet air of the outlet branch pipe can be mixed with the slurry inside the flotation tank, and the first motor can drive the outlet main pipe to rotate, and the outlet main pipe can drive the air outlet The branch pipe rotates to stir the slurry and rotate to discharge air, which can fully mix the slurry and air inside the flotation tank, thereby further improving the flotation effect.

The invention can clean and scrape off the mineral material on the surface of the scraper through the cleaning plate, realize the automatic cleaning of the scraper without stopping the equipment, and can realize the automatic classification of the flotation mineral material, without the need for secondary flotation of the mineral material Transfer, simplify the process, reduce labor consumption and waste, and help improve work efficiency.

Description of drawings

Fig. 1 is the structural representation of a kind of environment-friendly automatic flotation machine proposed by the present invention;

Fig. 2 is the structural representation of the foam scraper of a kind of environment-friendly automatic flotation machine proposed by the present invention;

Fig. 3 is the structural representation of the cleaning mechanism of a kind of environment-friendly automatic flotation machine proposed by the present invention;

Fig. 4 is the top view structure schematic diagram of the linkage mechanism, the second motor, the fixed mount, the second sprocket wheel and the chain of a kind of environment-friendly automatic flotation machine proposed by the present invention;

Fig. 5 is a schematic diagram of the connection structure of the driving disc, positioning disc and driven disc of a kind of environment-friendly automatic flotation machine proposed by the present invention;

Fig. 6 is the structural representation inside the device box of a kind of environment-friendly automatic flotation machine proposed by the present invention;

Figure 7 is an enlarged view of A in Figure 1;

Fig. 8 is a structural schematic diagram of a sleeve rod, a movable rod, a spring, and a limit sliding column of an environment-friendly automatic flotation machine proposed by the present invention.

In the figure: 1 flotation cell, 2 outlet branch pipe, 3 outlet main pipe, 4 liquid distributor, 5 slurry inlet pipe, 6 foam scraping tank, 7 slurry outlet pipe, 8 installation frame, 9 drum, 10 first motor, 11 The first spur gear, 12 the second spur gear, 13 rotary joint, 14 air pipe, 15 air pump, 16 collection bin, 17 scraper, 18 sets of rods, 19 cleaning plate, 20 device box, 21 fixed plate, 22 helical blade, 23 guide bucket, 24 first rotating rod, 25 filter screen, 26 discharge pipe, 27 fixed rod, 28 movable rod, 29 limit sliding column, 30 limit chute, 31 second rotating rod, 32 spring, 33 the first One helical gear, 34 first rotating shaft, 35 first sprocket wheel, 36 chain, 37 driving disc, 38 driven disc, 39 positioning disc, 40 second motor, 41 fixed frame, 42 second sprocket wheel, 43 second rotating shaft , 44 shifting slots, 45 positioning slots, 46 shifting columns, 47 second helical gears.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention.

With reference to Fig. 1-Fig. 8, a kind of environment-friendly automatic flotation machine comprises flotation cell 1, and the left and right sides of flotation cell 1 are respectively provided with inlet pipe 5, slurry outlet pipe 7, and the inside of flotation cell 1 is provided with There is a liquid distributor 4 connected to the slurry inlet pipe 5. The top of the flotation cell 1 is provided with a mounting frame 8. The mounting frame 8 is vertically penetrated with a gas outlet main pipe 3 connected to it in rotation. The lower end of the gas outlet pipe 3 is provided with a cloth The gas outlet branch pipe 2 below the liquid container 4, the number of the gas outlet branch pipe 2 is three, and the three gas outlet branch pipes 2 are distributed at equal intervals along the circumference of the gas outlet main pipe 3. The first motor 10 can drive the air outlet main pipe 3 to rotate, and the gas outlet main pipe 3 can be driven to rotate. Drive the air outlet branch pipe 2 to rotate, and rotate the slurry while stirring the slurry, so that the slurry in the flotation cell 1 can be fully mixed with the air. The upper end of the installation frame 8 is provided with a pumping mechanism connected to the air outlet main pipe 3, The upper part of the right side wall of the flotation cell 1 is provided with a scraping tank 6, and the inside of the scraping tank 6 is provided with a foam scraping mechanism. Cleaning mechanism, the inside of the collection bin 16 is provided with a guide bucket 23, the inside of the collection bin 16 is provided with a classification mechanism connected to the lower end of the guide bucket 23, and the outer wall of the flotation cell 1 is provided with a linkage that is connected with the foam scraping mechanism and the classification mechanism. mechanism, the lower part of the side wall of the collection bin 16 is provided with a discharge pipe 26, through which the sorted ore in the collection bin 16 can be discharged.

In the present invention, the pumping mechanism includes an air pump 15 arranged on the upper end of the mounting frame 8, the output end of the air pump 15 is connected with an air delivery pipe 14, and the end of the air delivery pipe 14 away from the air pump 15 is connected to the upper end of the air outlet main pipe 3 through a rotary joint 13. 8 is provided with a first motor 10, the output shaft of the first motor 10 is fixed with a first spur gear 11, the outlet main pipe 3 is fixedly sleeved with a second spur gear 12, the second spur gear 12 and the first spur gear 11 engage.

Concrete cleaning mechanism comprises the fixed plate 21 that is fixedly connected on the inner wall of collection bin 16, and one end of fixed plate 21 away from collection bin 16 inner wall is fixedly connected with cleaning plate 19, and cleaning plate 19 is U-shaped structure, and movable bar 28 drives scraper 17 When passing through the inner side of the cleaning plate 19, the mineral material on the surface of the scraper 17 can be cleaned and scraped off by the cleaning plate 19, so as to realize automatic cleaning of the scraper 17.

The specific grading mechanism includes a rotary drum 9 that is socketed at the lower end of the guide bucket 23. The bottom of the rotary drum 9 is connected with a cover. By opening the cover, the internal mineral material of the rotary drum 9 can be discharged. The side wall of the rotary drum 9 is embedded with a There is a filter screen 25, the lower end of the drum 9 runs through the collection bin 16, the inside of the drum 9 is fixed with a fixed rod 27, and the upper side wall of the fixed rod 27 is fixed with a first rotating rod 24, the concrete first rotating rod 24 The side wall is fixedly sleeved with a spiral blade 22 and a defoaming spike positioned at the inner side of the guide bucket 23. When the first rotating rod 24 rotates, it can drive the spiral blade 22 to rotate, and the foam in the guide bucket 23 can be continuously driven by the spiral blade 22. Squeeze down to the inside of the drum 9, and the foam can be pierced through the defoaming spikes, so that the mineral material can enter the inside of the drum 9 more efficiently, and the classification of the mineral material is more efficient. The lower side wall of the fixed plate 21 is fixed The device box 20 is connected, the upper end of the first rotating rod 24 penetrates to the inside of the device box 20 and is fixedly connected with the second helical gear 47, the outer wall of the collection bin 16 is fixedly connected with a fixed frame 41, and the side wall of the fixed frame 41 is installed There is a second motor 40, the output shaft of the second motor 40 runs through the fixed frame 41 and is fixedly connected with the second rotating shaft 43, and the end of the second rotating shaft 43 away from the second motor 40 runs through the side wall of the collection bin 16 and the device box 20 and is fixed A first helical gear 33 is connected, and the first helical gear 33 meshes with a second helical gear 47 .

The specific foam scraping mechanism includes a second rotating rod 31 arranged inside the foam scraping tank 6, one end of the second rotating rod 31 is rotatably connected to the inner wall of the foam scraping tank 6, and the other end of the second rotating rod 31 runs through the foam scraping tank 6 and extends to the outside of the flotation cell 1, the side wall of the second rotating rod 31 is provided with four scraping parts at equal intervals along the circumference, and the scraping parts include fixed connection on the side wall of the second rotating rod 31 The sleeve rod 18, the end of the sleeve rod 18 away from the second rotating rod 31 is slidably inserted with a movable rod 28, and the end of the movable rod 28 away from the sleeve rod 18 is fixedly connected with a scraper 17, and the inside of the sleeve rod 18 is provided with a spring 32 One end of the spring 32 is connected to the inner wall of the sleeve rod 18, the other end of the spring 32 is fixedly connected to the movable rod 28, the side wall of the sleeve rod 18 is provided with a guide groove, and the side wall of the movable rod 28 is fixedly connected with The limit sliding column 29 that slides inside the guide groove is provided with a limit chute 30 on the inner wall of the scraping groove 6, and the limit chute 29 slides inside the limit chute 30, and the limit chute 30 is formed by the arc shape above part, the semicircular part below, and the straight part on the right side, the arc part of the limit chute 30 can be used to guide and limit the limit sliding column 29, so that the movable rod 28 moves and shrinks to the inside of the sleeve rod 18, Using the straight part of the limit chute 30, when the limit slide column 29 is aligned with the straight part of the limit chute 30, under the elastic force of the spring 32, the movable rod 28 moves outward, and the movable rod 28 drives the scraper 17 passes through the inboard of cleaning plate 19, and the ore material on the surface of scraper 17 can be cleaned and scraped off by cleaning plate 19, so as to realize automatic cleaning of scraper 17.

The specific linkage mechanism includes a first rotating shaft 34 that is rotatably connected to the outer wall of the flotation cell 1, a driving disc 37 and a positioning disc 39 are fixedly sleeved on the first rotating shaft 34, and a dial column 46 is fixed on the edge of the driving disc 37, The second rotating rod 31 is fixedly connected with a driven plate 38 at one end outside the flotation cell 1, and the side wall of the driven plate 38 is provided with four positioning grooves 45 and four shifting grooves 44 at equal intervals along the circumference. 44 and the positioning groove 45 are arranged at intervals, the dial column 46 corresponds to the dial groove 44, the positioning groove 45 corresponds to the positioning disc 39, the first sprocket 35 is fixedly sleeved on the first rotating shaft 34, and the second rotating shaft 43 is fixedly sleeved with The second sprocket 42 is connected to the first sprocket 35 through the chain 36 .

When the present invention is in use, the slurry is injected into the inside of the flotation cell 1 through the slurry inlet pipe 5 and the liquid distributor 4, the air pump 15 is started, and the air is pumped into the air outlet main pipe 3 and the air outlet branch pipe 2. Select the slurry inside the tank 1 to mix, start the first motor 10, and the first motor 10 can drive the outlet main pipe 3 to rotate, and the outlet main pipe 3 can drive the outlet branch pipe 2 to rotate, and the slurry can be stirred and rotated to discharge the gas. Fully mix the slurry inside the flotation cell 1 with air;

Start the second motor 40 to drive the second rotating shaft 43 to rotate. Since the first helical gear 33 and the second helical gear 47 are meshed, the first rotating rod 24 is driven to rotate, and the rotating cylinder 9 is driven by the first rotating rod 24 to rotate. A sprocket wheel 35 and the second sprocket wheel 42 are driven by the chain 36, and then drive the first rotating shaft 34 to rotate, drive the driving disc 37 to rotate by the first rotating shaft 34, and the driven disc 38 can be moved by the dial 46 to rotate nine times at a time. Rotate intermittently at an angle of ten degrees, drive the second rotating rod 31 to rotate through the driven disc 38, drive the foam scraper to rotate through the second rotating rod 31, and continuously hang the foam in the upper layer of the flotation cell 1 to the collector through the scraper 17 In the bin 16, the mineral material in the collection bin 16 can be guided downward to the inside of the drum 9 through the guide bucket 23, and the mineral material is subjected to centrifugal force in the inside of the drum 9 with the rotation of the drum 9, and cooperates with the filter screen 25 Realize the filtration and classification of mineral materials, and can realize the automatic classification of flotation mineral materials, without the secondary transfer of mineral materials after flotation;

When the scraper rotates to a position close to the cleaning plate 19 and is horizontally aligned with the cleaning plate 19, the limit sliding column 29 breaks through the limit of the limit chute 30, and under the elastic force of the spring 32, the movable rod 28 moves outward , the scraper 17 is driven through the movable rod 28 to pass through the inner side of the cleaning plate 19, and the mineral material on the surface of the scraper 17 can be cleaned and scraped off by the cleaning plate 19, and after the scraper 17 passes through the cleaning plate 19, it will not affect the cleaning of the scraper. 17 continues to rotate, can realize the automatic cleaning of scraper 17, need not stop equipment.

The above is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Anyone familiar with the technical field within the technical scope disclosed in the present invention, according to the technical solutions of the present invention and its Any equivalent replacement or change of the inventive concept shall fall within the protection scope of the present invention.

Claims (8)

1. an environment-friendly automatic flotation machine, comprising a flotation cell (1), the left and right sides of the flotation cell (1) are respectively provided with a slurry inlet pipe (5), a slurry outlet pipe (7), and its characteristics In that, the interior of the flotation cell (1) is provided with a liquid distributor (4) connected to the slurry inlet pipe (5), and the top of the flotation cell (1) is provided with a mounting frame (8), the The installation frame (8) is vertically penetrated with an outlet main pipe (3) connected to it in rotation, and the lower end of the outlet main pipe (3) is provided with an outlet branch pipe (2) located below the liquid distributor (4). The upper end of (8) is provided with the pumping mechanism that is connected with outlet main pipe (3), and the right side wall top of described flotation cell (1) is provided with scraper groove (6), and the scraper groove (6) The inside is provided with a foam scraping mechanism, and the right side wall of the flotation cell (1) is fixed with a collection bin (16), and the inside of the collection bin (16) is provided with a cleaning mechanism, and the collection bin (16) The inside is provided with a guide bucket (23), the inside of the collection bin (16) is provided with a classification mechanism connected to the lower end of the guide bucket (23), and the outer wall of the flotation cell (1) is provided with a foam scraping mechanism, The linkage mechanism connected with the grading mechanism, the lower part of the side wall of the collection bin (16) is provided with a discharge pipe (26). 2. A kind of environment-friendly type automatic flotation machine according to claim 1, is characterized in that, described air pump mechanism comprises the air pump (15) that is arranged on mounting frame (8) upper end, and the output of described air pump (15) The end is connected with an air pipe (14), the end of the air pipe (14) away from the air pump (15) is connected to the upper end of the air outlet main pipe (3) through a rotary joint (13), and the upper end of the installation frame (8) is provided with a second A motor (10), the output shaft of the first motor (10) is fixed with a first spur gear (11), the outlet main pipe (3) is fixedly sleeved with a second spur gear (12), the first Two spur gears (12) mesh with the first spur gear (11). 3. A kind of environmental protection type automatic flotation machine according to claim 1, is characterized in that, described cleaning mechanism comprises the fixed plate (21) that is fixedly connected on the inner wall of collection bin (16), and described fixed plate (21 ) is fixedly connected with a cleaning plate (19) at one end away from the inner wall of the collection bin (16), and the cleaning plate (19) is a U-shaped structure. 4. A kind of environment-friendly type automatic flotation machine according to claim 3, is characterized in that, described grading mechanism comprises the drum (9) that is rotatably socketed in the lower end of guide bucket (23), and described drum (9) ) is embedded with a filter screen (25) on the side wall, the lower end of the drum (9) runs through the collection bin (16), and the inside of the drum (9) is fixed with a fixed rod (27), the The upper side wall of the fixed rod (27) is fixed with the first rotating rod (24), the lower side wall of the fixed plate (21) is fixedly connected with the device box (20), and the upper end of the first rotating rod (24) Penetrating into the inside of the device box (20) and fixedly connected with a second helical gear (47), the outer wall of the collection bin (16) is fixedly connected with a fixed frame (41), and on the side wall of the fixed frame (41) A second motor (40) is installed, and the output shaft of the second motor (40) passes through the fixed frame (41) and is fixedly connected with a second rotating shaft (43), and the second rotating shaft (43) is away from the second motor ( One end of 40) runs through the side wall of the collection bin (16) and the device box (20) and is fixedly connected with the first helical gear (33), and the first helical gear (33) meshes with the second helical gear (47). 5. A kind of environmental protection type automatic flotation machine according to claim 4, is characterized in that, described scraper mechanism comprises the second rotating rod (31) that is arranged on scraper groove (6) inside, and described second One end of the rotating rod (31) is rotatably connected to the inner wall of the scraping tank (6), and the other end of the second rotating rod (31) penetrates the inner wall of the scraping tank (6) and extends to the flotation tank (1) On the outside of the second rotating rod (31), four scraping parts are arranged at equal intervals in the circumferential direction, and the scraping parts include sleeves fixedly connected to the side wall of the second rotating rod (31). Rod (18), the end of the sleeve rod (18) away from the second rotating rod (31) is slidably inserted with a movable rod (28), and the end of the movable rod (28) away from the sleeve rod (18) is fixedly connected Scraper (17) is arranged, and the inside of described sleeve rod (18) is provided with spring (32), and one end of described spring (32) is connected on the inner wall of sleeve rod (18), and the other end of described spring (32) One end is fixedly connected to the movable rod (28), the side wall of the sleeve rod (18) is provided with a guide groove, and the side wall of the movable rod (28) is fixedly connected with a limiter that slides inside the guide groove. Sliding column (29), the inner wall of the foam scraping groove (6) is provided with a limiting chute (30), and the limiting chute (29) slides inside the limiting chute (30). 6. A kind of environmental protection type automatic flotation machine according to claim 5, is characterized in that, described linkage mechanism comprises the first rotating shaft (34) that is rotatably connected on the outer wall of flotation cell (1), and described first The driving disc (37) and the positioning disc (39) are fixedly sleeved on the rotating shaft (34), and the driving column (46) is fixed on the edge of the disc surface of the driving disc (37), and the second rotating rod (31) is located at One end outside the flotation cell (1) is fixedly connected with a driven plate (38), and the side wall of the driven plate (38) is provided with four positioning grooves (45) and four shifting grooves at equal intervals along the circumference. (44), the dialing groove (44) is arranged at intervals with the positioning groove (45), the dialing column (46) corresponds to the dialing groove (44), and the positioning groove (45) corresponds to the positioning disc (39), A first sprocket (35) is fixedly sleeved on the first rotating shaft (34), a second sprocket (42) is fixedly sleeved on the second rotating shaft (43), and a second sprocket (42) is fixedly sleeved on the second rotating shaft (43). ) is connected with the first sprocket (35) by chain (36) transmission. 7. A kind of environment-friendly type automatic flotation machine according to claim 4, is characterized in that, on the side wall of described first rotating rod (24) fixedly sleeves with the helical blade ( 22), defoaming spikes. 8. A kind of environment-friendly automatic flotation machine according to claim 1, characterized in that, the quantity of the outlet branch pipes (2) is three, and the three outlet branch pipes (2) are along the outlet main pipe (3) Circumferentially equally spaced distribution.

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