CN220965646U - Floor cotton picking harvester - Google Patents

Abstract

The utility model discloses a floor cotton picking harvester, relates to the technical field of cotton picking equipment, and mainly aims to provide equipment for picking floor cotton, which is high in picking efficiency and reduces picking cost. The main technical scheme of the utility model is as follows: floor cotton pick-up harvester includes: the separation shell is fixedly arranged on the traction frame, the upper end of the separation shell is connected with the cotton suction pipe, the middle part of the separation shell is provided with an air outlet, the air outlet is connected with an inlet of the main fan, a plurality of sieve holes are uniformly distributed on the circumference of the screen assembly, the center of the screen assembly is rotationally connected with the separation shell, the curvature of the wind shield is matched with the curvature of the inner surface of the screen assembly, the lower end of the separation shell is provided with a material leakage opening, the wind shield corresponds to the material leakage opening, the edge of the material leakage opening is fixedly connected with the scraping plate, the upper end of the sealing shell is connected with the material leakage opening, and the sealing plate assembly is coaxially rotationally connected with the sealing shell; one end of the impurity removing assembly is connected to the lower end of the sealing shell, and the other end of the impurity removing assembly is connected to the cotton collecting box.

Description

Floor cotton picking harvester

Technical Field

The utility model relates to the technical field of cotton picking equipment, in particular to a floor cotton picking harvester.

Background

Cotton, a seed fiber of Malvaceae (Malvaceae) cotton (Gossypium) plants, native to the subtropical zone; plants are shrub-shaped, can grow to 6 meters high, and are generally 1 to 2 meters in tropical areas; the flowers are milky white, turn dark red soon after flowering and then wither, leaving small green capsules called bolls; cotton seeds are arranged in the cotton bolls, fuzz on the cotton seeds grow out of the cotton seed epidermis and fill the cotton bolls, and the cotton bolls are cracked when mature to expose soft fibers; the fiber is white or yellowish and has a length of about 2 to 4 cm (0.75 to 1.5 inch), contains about 87 to 90 percent of cellulose, 5 to 8 percent of water and 4 to 6 percent of other substances; the countries with highest cotton yield are China, the United states, india, etc.

Because the cotton to be picked is light in weight and is easily blown to the ground from the branches by wind, cotton picking equipment in the prior art can only pick cotton with the branches, and once the cotton to be landed is used for picking, a large amount of soil is easy to pick in, so that the existing picking of the cotton to be landed is mostly manually picked in order to ensure the picking quality of the cotton to be landed, but the existing picking of the cotton to be landed has the defects of low efficiency, long time and high labor cost.

Disclosure of utility model

In view of the above, the utility model provides a floor cotton picking harvester, and mainly aims to provide a device for picking floor cotton, which has high picking efficiency and reduces picking cost.

In order to achieve the above purpose, the present utility model mainly provides the following technical solutions:

The utility model provides a floor cotton picking harvester, which comprises: traction frame, wind-finishing device and impurity-cleaning assembly;

the rear end of the traction frame is provided with travelling wheels, and the front end of the traction frame is provided with supporting wheels;

The Bi Feng machine comprises a separating mechanism and a transition mechanism, wherein the separating mechanism comprises a separating shell, a screen assembly and a wind deflector, the separating shell is fixedly arranged on the traction frame, the upper end of the separating shell is connected with a cotton suction pipe, an air outlet is formed in the middle of the separating shell and is connected with an inlet of a main fan, a plurality of screen holes are uniformly distributed on the circumference of the screen assembly, the center of the screen assembly is rotationally connected with the separating shell, the curvature of the wind deflector is matched with the curvature of the inner surface of the screen assembly, a material leakage opening is formed in the lower end of the separating shell, the wind deflector corresponds to the material leakage opening, the edge of the material leakage opening is fixedly connected with the scraping plate, the transition mechanism comprises a sealing shell and a sealing plate assembly, the upper end of the sealing shell is connected with the material leakage opening, and the sealing plate assembly is coaxially rotationally connected with the sealing shell.

One end of the impurity removing assembly is connected to the lower end of the sealing shell, and the other end of the impurity removing assembly is connected to the cotton collecting box.

The aim and the technical problems of the utility model can be further realized by adopting the following technical measures.

Optionally, the separating mechanism further comprises a supporting shaft and a driving shaft, one end of the driving shaft is mounted on one side wall of the separating shell through a bearing, the other end of the driving shaft is fixedly connected to the center of the screen assembly, the air outlet is located on the other side wall of the separating shell, the center line of the supporting shaft coincides with the center line of the driving shaft, the supporting shaft is fixedly arranged at the center of the air outlet, and the wind shield is fixedly connected to the supporting shaft.

Optionally, the sealing plate assembly is provided with a pivot, the pivot is rotatably connected with the sealing shell, one end of the pivot is in transmission connection with the driving shaft, and the other end of the pivot is fixedly connected with the power input wheel.

Optionally, clear miscellaneous assembly includes clear miscellaneous case and separating mechanism, clear miscellaneous case's bottom is equipped with first arc screen cloth chamber, second arc screen cloth chamber and the spiral delivery chamber of arranging in proper order, first arc screen cloth intracavity is equipped with first cotton throwing wheel, second arc screen cloth intracavity is equipped with the second and throws cotton throwing wheel, the spiral delivery intracavity is equipped with the spiral delivery blade axle, separating mechanism is including first leather roller, first licker-in, first brush roller, second leather roller, second licker-in and the second brush roller of arranging in proper order, first leather roller with first licker-in is located the top in first arc screen cloth chamber, first brush roller with the second licker-in is located the top in second arc screen cloth chamber, the second brush roller is located the top in spiral delivery chamber.

Optionally, the first arc-shaped screen cavity is connected to the lower end of the sealing shell through an auger conveying mechanism.

Optionally, the output of screw conveying chamber is connected in the import of sending cotton fan, send cotton fan's outlet pipe to the upper end side of collection cotton case.

Optionally, the lower end side of the cotton collecting box is rotatably connected to the traction frame, and the bottom wall of the cotton collecting box is connected to the traction frame through a hydraulic rod.

Optionally, the cotton stalk pressing device further comprises a cotton stalk pressing mechanism, the cotton stalk pressing mechanism is connected to the traction frame in a lifting mode, a plurality of compression bars are sequentially arranged at the lower end of the cotton stalk pressing mechanism, and the cotton stalk pressing mechanism is arranged in front of the cotton suction tube.

Optionally, the cotton stalk pressing mechanism further comprises a plurality of chains, and the chains and the compression bars are alternately connected.

Optionally, the center of the screen assembly is offset from the center of the separation housing for narrowing the flow path between the screen assembly and the separation housing.

By means of the technical scheme, the utility model has at least the following advantages:

The power locomotive drives the traction frame to move forwards, and simultaneously starts the main fan, the screen assembly and the sealing plate assembly. In the process, air flow from the separation shell to the main fan is generated, negative pressure is formed in the cotton suction pipe, cotton and impurities sucked into the ground are attached to the surface of the screen assembly after entering the separation shell along with the air flow, and the cotton and the impurities move to the space below the wind shield along with the rotation of the screen assembly, so that the suction force of the air flow to which the cotton and the impurities are subjected is reduced.

Simultaneously, scrape flitch and strike off cotton and impurity on screen assembly surface for cotton and impurity drop in the sealed casing, accompany the rotation of closing plate assembly, cotton and impurity remove to clear miscellaneous assembly, and the cotton that clear miscellaneous assembly clear out is concentrated to the cotton collection case.

Drawings

FIG. 1 is a side view of a cotton picker in accordance with an embodiment of the present utility model;

Fig. 2 is a front view of a cotton picker in the form of a floor-standing cotton picker according to an embodiment of the present utility model;

FIG. 3 is a top view of a cotton picker in accordance with an embodiment of the present utility model;

FIG. 4 is a front cross-sectional view of the wind turbine;

FIG. 5 is a side cross-sectional view of the wind turbine;

FIG. 6 is a schematic cross-sectional view of the impurity removal assembly;

FIG. 7 is a schematic diagram of the chain drive connection of the ends of the rollers and wheels in the cleaning assembly.

Reference numerals in the drawings of the specification include: traction frame 1, travelling wheel 2, supporting wheel 3, separating shell 4, screen assembly 5, wind shield 6, cotton suction pipe 7, air outlet 8, main fan 9, discharge port 10, scraping plate 11, sealing shell 12, sealing plate assembly 13, sealing plate 1301, pivot 1302, cotton collection box 14, supporting shaft 15, driving shaft 16, power input wheel 17, trash removal box 18, first arc-shaped screen cavity 1801, second arc-shaped screen cavity 1802, spiral conveying cavity 1803, first cotton throwing wheel 19, second cotton throwing wheel 20, spiral conveying blade shaft 21, first leather roller 22, first licker-in 23, first brush roller 24, second leather roller 25, second licker-in 26, second brush roller 27, main reversing gearbox 28, first reversing gearbox 29, second reversing gearbox 30, auger conveying mechanism 31, cotton conveying fan 32, hydraulic rod 33, cotton stalk pressing mechanism 34, press rod 35, and metal chain 36.

Detailed Description

In order to further describe the technical means and effects adopted for achieving the preset aim of the utility model, the following detailed description refers to the specific implementation, structure, characteristics and effects according to the application of the utility model with reference to the accompanying drawings and preferred embodiments. In the following description, different "an embodiment" or "an embodiment" do not necessarily refer to the same embodiment. Furthermore, the particular features, structures, or characteristics of one or more embodiments may be combined in any suitable manner.

The utility model is described in further detail below with reference to the drawings and examples.

As shown in fig. 1, 2, 3, 4 and 5, one embodiment of the present utility model provides a floor cotton pickup harvester, which includes: the device comprises a traction frame 1, a wind-finishing device and a impurity-cleaning assembly;

The rear end of the traction frame 1 is provided with a travelling wheel 2, and the front end is provided with a supporting wheel 3;

Bi Feng comprises a separating mechanism and a transition mechanism, wherein the separating mechanism comprises a separating shell 4, a screen assembly 5 and a wind deflector 6, the separating shell 4 is fixedly arranged on a traction frame 1, the upper end of the separating shell 4 is connected with a cotton suction pipe 7, the middle part of the separating shell 4 is provided with an air outlet 8, the air outlet 8 is connected with the inlet of a main fan 9, a plurality of screen holes are uniformly distributed on the circumference of the screen assembly 5, the center of the screen assembly 5 is rotationally connected with the separating shell 4, the curvature of the wind deflector 6 is matched with the curvature of the inner surface of the screen assembly 5, the lower end of the separating shell 4 is provided with a material leakage opening 10, the wind deflector 6 corresponds to the material leakage opening 10, the edge of the material leakage opening 10 is fixedly connected with a material scraping plate 11, the transition mechanism comprises a sealing shell 12 and a sealing plate assembly 13, the upper end of the sealing shell 12 is connected with the material leakage opening 10, and the sealing plate assembly 13 is coaxially rotationally connected with the sealing shell 12;

one end of the impurity removing assembly is connected to the lower end of the sealed shell 12, and the other end of the impurity removing assembly is connected to the cotton collecting box 14.

The working process of the floor cotton picking harvester is as follows:

The power locomotive drives the traction frame 1 to move forwards, and simultaneously starts the main fan 9, the screen assembly 5 and the sealing plate assembly 13. In the above process, the air flow from the separation housing 4 to the main blower 9 is generated, so that negative pressure is formed in the cotton suction pipe 7, cotton and impurities sucked into the ground adhere to the surface of the screen assembly 5 after entering the separation housing 4 along with the air flow, and the cotton and impurities move to the space below the wind shield 6 along with the rotation of the screen assembly 5, so that the suction force of the air flow to which the cotton and impurities are subjected is reduced.

Simultaneously, the scraping plate 11 scrapes off cotton and impurities on the surface of the screen assembly 5, so that the cotton and impurities fall into the sealing shell 12, and the cotton and impurities move to the impurity removal assembly along with the rotation of the sealing plate assembly 13, and the cotton removed by the impurity removal assembly is concentrated to the cotton collection box 14.

According to the technical scheme, the device is used, the floor cotton is not required to be picked manually, the floor cotton at the place where the traction frame 1 is driven by the power locomotive to travel is picked immediately, the efficiency is high, and the picking cost is reduced.

Specifically, the ground dust sucked by the cotton suction pipe 7 enters the main fan 9 through a plurality of sieve holes of the sieve assembly 5, so that the aim of separating cotton and dust is fulfilled; meanwhile, the impurity removing assembly and the cotton collecting box are replaced by the box body, the lower end of the sealing shell 12 is connected to the box body, the power locomotive drives the traction frame 1 to run on the field, and the peppers or the jujubes in the field can be collected into the box body, because the peppers and the jujubes do not need to be removed.

Specifically, the scraper 11 is made of rubber.

As shown in fig. 4 and 5, in a specific embodiment, the separating mechanism further includes a support shaft 15 and a drive shaft 16, one end of the drive shaft 16 is mounted on one side wall of the separating housing 4 through a bearing, the other end is fixedly connected with a bearing sleeve at the center of the screen assembly 5, the air outlet 8 is located on the other side wall of the separating housing 4, the center line of the support shaft 15 coincides with the center line of the drive shaft 16, one end of the support shaft 15 is fixedly connected with the center of the air outlet 8 through a bracket, the other end of the support shaft 15 is mounted in the bearing sleeve through a bearing, and the wind shield 6 is fixedly connected with the support shaft 15.

In this embodiment, specifically, when the driving shaft 16 drives the screen assembly 5 to rotate, the supporting shaft 15 and the wind deflector 6 are stationary relative to the separation housing 4, and the other end of the driving shaft 16 is fixedly connected to the bearing housing, and the other end of the supporting shaft 15 is mounted in the bearing housing through a bearing, so as to ensure coaxiality of the supporting shaft 15 and the driving shaft 16.

In the embodiment shown in fig. 4, the seal plate assembly 13 is provided with a pivot 1302, the pivot 1302 being rotatably coupled to the seal housing 12, one end of the pivot 1302 being drivingly coupled to the drive shaft 16 and the other end being fixedly coupled to the power input wheel 17.

In this embodiment, specifically, the power input wheel 17 drives the pivot 1302 and the driving shaft 16 in turn to rotate, so as to ensure that the screen assembly 5 and the plurality of sealing plates 1301 of the sealing plate assembly 13 can synchronously rotate, thereby ensuring that the solid-gas separation in the separation housing 4 and the impurity cotton conveying in the sealing housing 12 synchronously occur.

Specifically, the plurality of seal plates 1301 of the seal plate assembly 13 are circumferentially arranged on the shaft side of the pivot 1302, and the plurality of seal plates 1301 are made of rubber.

As shown in fig. 6 and 7, in a specific embodiment, the impurity removing assembly includes an impurity removing box 18 and a separating mechanism, a first arc-shaped screen cavity 1801, a second arc-shaped screen cavity 1802 and a spiral conveying cavity 1803 are sequentially arranged at the bottom of the impurity removing box 18, a first cotton throwing wheel 19 is arranged in the first arc-shaped screen cavity 1801, a second cotton throwing wheel 20 is arranged in the second arc-shaped screen cavity 1802, a spiral conveying blade shaft 21 is arranged in the spiral conveying cavity 1803, the separating mechanism includes a first leather roller 22, a first licker-in roller 23, a first brush roller 24, a second leather roller 25, a second licker-in roller 26 and a second brush roller 27 which are sequentially arranged, the first leather roller 22 and the first licker-in roller 23 are located above the first arc-shaped screen cavity 1801, the first brush roller 24, the second leather roller 25 and the second licker-in roller 26 are located above the second arc-shaped screen cavity 1802, and the second brush roller 27 is located above the spiral conveying cavity 1803.

In this embodiment, specifically, the cotton containing impurities entering the first arc-shaped screen cavity 1801 is thrown up to the first licker-in 23 by the first rotating cotton throwing wheel 19, the spines on the surface of the first licker-in 23 drive the cotton containing impurities to approach the first leather roller 22 first, the first leather roller 22 beats and peels off the impurities in the cotton (the impurities fall into the first arc-shaped screen cavity 1801 and fall out through the screen holes), then the first licker-in 23 drives the cotton to approach the first brush roller 24, and the first brush roller 24 peels off the cotton after the first impurity removal into the second arc-shaped screen cavity 1802; in the second arc-shaped screen cavity 1802, the rotating second cotton throwing wheel 20 throws the cotton after the primary impurity removal to the second licker-in 26, the spines on the surface of the second licker-in 26 drive the impurity-containing cotton to approach the second leather roller 25 firstly, the second leather roller 25 beats and peels off impurities in the cotton (the impurities fall into the second arc-shaped screen cavity 1802 and fall out through the screen holes), then the second licker-in 26 drives the cotton to approach the second brush roller 27, the second brush roller 27 peels the cotton after the secondary impurity removal into the spiral conveying cavity 1803, and the spiral conveying blade shaft 21 rotates to collect and squeeze the cotton after the secondary impurity removal.

Specifically, as shown in fig. 6, the combined structure of the first leather roller 22, the first licker-in 23 and the first brush roller 24 is the same as the combined structure of the second leather roller 25, the second licker-in 26 and the second brush roller 27, and the rotation directions of the first leather roller 22, the first licker-in 23, the first brush roller 24, the second leather roller 25, the second licker-in 26, the second brush roller 27, the first cotton throwing wheel 19, the second cotton throwing wheel 20 and the spiral conveying blade shaft 21 are shown; the chain transmission directions of the first leather roller 22, the first licker-in 23, the first hairbrush roller 24, the second leather roller 25, the second licker-in 26, the second hairbrush roller 27, the first cotton throwing wheel 19, the second cotton throwing wheel 20 and the spiral conveying blade shaft 21 on the side wall of the impurity removing box 18 are shown in fig. 7.

Specifically, the first leather roller 22 and the second leather roller 25 have the same structure, rubber leather plates are respectively fixed on opposite sides of the roller shaft, the roller shaft drives the rubber leather plates to rotate, and the rubber leather plates flap to strip impurities in cotton on the surface of the licker-in.

Specifically, the surface pointed tips of the first licker-in 23 and the second licker-in 26 face in the same direction as the rotation direction of the licker-in, so that cotton can be hooked on the surface of the licker-in better.

As shown in fig. 3, the device specifically further comprises a main reversing gearbox 28, a first reversing gearbox 29 and a second reversing gearbox 30, wherein an input shaft of the main reversing gearbox 28 is connected to an engine output shaft of a power locomotive through a universal joint, a first output shaft of the main reversing gearbox 28 is connected to an impeller shaft of the main fan 9 through belt transmission, a second output shaft of the main reversing gearbox 28 is coaxially connected to an input shaft of the first reversing gearbox 29, an output shaft of the first reversing gearbox 29 is connected to the middle part of an intermediate transmission shaft through a sprocket set, one end of the intermediate transmission shaft is meshed with a power input wheel 17 at the other end of a pivot 1302 of the sealing plate assembly 13 through a gear, the other end of the intermediate transmission shaft is connected to an input shaft of the second reversing gearbox 30 through a gear set, and an output shaft of the second reversing gearbox 30 drives all rollers of the impurity removal assembly through a chain.

In the particular embodiment, as shown in fig. 3, a first arcuate screen cavity 1801 is connected to the lower end of the seal housing 12 by an auger delivery mechanism 31.

In this embodiment, specifically, the cotton containing impurities in the sealed housing 12 falls to the auger conveying mechanism 31, is extruded in the auger conveying mechanism 31, increases the bulk density of the cotton containing impurities, and is conveyed to the first arc-shaped screen cavity 1801, and when the first cotton throwing wheel 19 throws the cotton in the first arc-shaped screen cavity 1801, the bulk density of the cotton is larger, so that the thrown cotton has a larger throwing speed, and the cotton is better adhered to the surface of the first licker-in 23.

As shown in fig. 1 and 3, in the embodiment, the output end of the screw feeding chamber 1803 is connected to the inlet of the cotton feeding blower 32, and the outlet pipe of the cotton feeding blower 32 extends to the upper end side of the cotton collection bin 14.

In this embodiment, specifically, after the cotton after twice cleaning reaches the spiral conveying chamber 1803, the cotton is thrown up to the upper end side of the cotton collection box 14 by the cotton feeding fan 32 and enters the cotton collection box 14.

As shown in fig. 1, in the embodiment, the lower end side of the hopper 14 is rotatably connected to the traction frame 1, and the bottom wall of the hopper 14 is connected to the traction frame 1 through a hydraulic rod 33.

In this embodiment, specifically, the lower end side of the cotton collection box 14 is rotatably connected to the traction frame 1 through a pin, the side wall of the cotton collection box 14 is a roll-over door, the hydraulic rod 33 is extended to drive the cotton collection box 14 to roll over upwards, and the roll-over door is opened, so that the cotton collection box 14 filled with cotton is convenient to dump the cotton after impurity removal to a designated place.

As shown in fig. 1 and 2, in a specific embodiment, the cotton stalk pressing device further includes a cotton stalk pressing mechanism 34, the cotton stalk pressing mechanism 34 is connected to the traction frame 1 in a lifting manner, a plurality of compression bars 35 are sequentially arranged at the lower end of the cotton stalk pressing mechanism 34, and the cotton stalk pressing mechanism 34 is disposed in front of the cotton suction tube 7.

In this embodiment, specifically, the upper end of the surface pressing stalk mechanism is sequentially provided with a plurality of first mounting holes, the traction frame 1 is provided with a second mounting hole, one of the first mounting holes corresponds to the second mounting hole and is fixed by bolts, so that the height of the plurality of compression bars 35 is adjusted, and the cotton stalk pressing mechanism 34 is positioned in front of the cotton suction pipe 7.

In the embodiment shown in fig. 2, the stem pressing mechanism 34 further includes a plurality of metal chains 36, and the plurality of metal chains 36 and the plurality of pressing rods 35 are alternately connected.

In this embodiment, in the process that the power locomotive drives the traction frame 1 to advance, the lower ends of the plurality of compression bars 35 scratch the mulching film, and the plurality of metal chains 36 press the mulching film at the same time, so that the cotton suction pipe 7 is prevented from sucking cotton and the mulching film is also sucked.

As shown in fig. 5, in the embodiment, the center of the screen assembly 5 is offset from the center of the separation housing 4 for narrowing the flow path between the screen assembly 5 and the separation housing 4.

In this embodiment, specifically, the upper inlet of the separation housing 4 is connected to the cotton suction pipe 7, and the center of the screen assembly 5 and the upper inlet are located at both sides of the center of the separation housing 4, respectively, so that the width of the flow path becomes narrower gradually in the process that the cotton reaches the scraping plate 11 from the upper inlet of the separation housing 4.

In this way, the bulk density of cotton is maximum at the scraping plate 11, and on the basis that the wind shield 6 blocks the negative pressure air flow, the cotton with large bulk density is less susceptible to the influence of the negative pressure air flow and naturally falls into the sealing shell 12, so that smooth cotton conveying is ensured.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims (10)

1. A cotton harvester for floor-standing pickup, comprising:

The traction frame is provided with travelling wheels at the rear end and supporting wheels at the front end;

Bi Fengqi the Bi Feng device comprises a separating mechanism and a transition mechanism, wherein the separating mechanism comprises a separating shell, a screen assembly and a wind shield, the separating shell is fixedly arranged on the traction frame, the upper end of the separating shell is connected with a cotton suction pipe, an air outlet is formed in the middle of the separating shell and is connected with an inlet of a main fan, a plurality of screen holes are uniformly distributed on the circumference of the screen assembly, the center of the screen assembly is rotationally connected with the separating shell, the curvature of the wind shield is matched with the curvature of the inner surface of the screen assembly, a material leakage opening is formed in the lower end of the separating shell, the wind shield corresponds to the material leakage opening, the edge of the material leakage opening is fixedly connected with the scraping plate, the transition mechanism comprises a sealing shell and a sealing plate assembly, the upper end of the sealing shell is connected with the material leakage opening, and the sealing plate assembly is coaxially rotationally connected with the sealing shell.

And one end of the impurity removing assembly is connected to the lower end of the sealing shell, and the other end of the impurity removing assembly is connected to the cotton collecting box.

2. The floor cotton picking harvester according to claim 1, wherein,

The separating mechanism further comprises a supporting shaft and a driving shaft, one end of the driving shaft is mounted on one side wall of the separating shell through a bearing, the other end of the driving shaft is fixedly connected to the center of the screen assembly, the air outlet is located on the other side wall of the separating shell, the center line of the supporting shaft coincides with the center line of the driving shaft, the supporting shaft is fixedly arranged at the center of the air outlet, and the wind shield is fixedly connected to the supporting shaft.

3. The floor cotton picking harvester according to claim 2, wherein,

The sealing plate assembly is provided with a pivot, the pivot is rotatably connected with the sealing shell, one end of the pivot is in transmission connection with the driving shaft, and the other end of the pivot is fixedly connected with the power input wheel.

4. The floor cotton picking harvester according to claim 1, wherein,

The impurity removing assembly comprises an impurity removing box and a separating mechanism, a first arc-shaped screen cavity, a second arc-shaped screen cavity and a spiral conveying cavity which are sequentially arranged are formed in the bottom of the impurity removing box, a first cotton throwing wheel is arranged in the first arc-shaped screen cavity, a second cotton throwing wheel is arranged in the second arc-shaped screen cavity, a spiral conveying blade shaft is arranged in the spiral conveying cavity, the separating mechanism comprises a first leather roller, a first licker-in, a first brush roller, a second leather roller, a second licker-in and a second brush roller which are sequentially arranged, the first leather roller and the first licker-in are located above the first arc-shaped screen cavity, the first brush roller, the second leather roller and the second licker-in are located above the second arc-shaped screen cavity, and the second brush roller is located above the spiral conveying cavity.

5. The floor cotton picking harvester as set forth in claim 4, characterized in that,

The first arc-shaped screen cavity is connected to the lower end of the sealing shell through an auger conveying mechanism.

6. The floor cotton picking harvester as set forth in claim 4, characterized in that,

The output end of the spiral conveying cavity is connected to the inlet of the cotton conveying fan, and the outlet pipe of the cotton conveying fan extends to the upper end side of the cotton collecting box.

7. The floor cotton picking harvester according to any one of the claims 1 to 6, characterized in that,

The lower end side of the cotton collecting box is rotationally connected to the traction frame, and the bottom wall of the cotton collecting box is connected to the traction frame through a hydraulic rod.

8. The floor cotton picking harvester according to any one of the claims 1 to 6, characterized in that,

The cotton stalk pressing machine is characterized by further comprising a cotton stalk pressing mechanism, the cotton stalk pressing mechanism is connected to the traction frame in a lifting manner, a plurality of pressing rods are sequentially arranged at the lower end of the cotton stalk pressing mechanism, and the cotton stalk pressing mechanism is arranged in front of the cotton suction pipe.

9. The floor cotton picking harvester of claim 8, wherein,

The cotton stalk pressing mechanism further comprises a plurality of chains, and the chains and the pressing rods are alternately connected.

10. The floor cotton picking harvester according to any one of the claims 1 to 6, characterized in that,

The center of the screen assembly is offset from the center of the separation housing for narrowing the flow path between the screen assembly and the separation housing.