CN218945632U - Movable winnowing machine - Google Patents

Abstract

The utility model discloses a movable winnowing machine, which comprises a crawler frame, wherein a frame is arranged on the crawler frame, a feeding conveying device, a circulating air supply device, a heavy material discharging conveying device, a second driving mechanism, a separating drum device, a sedimentation device and a light material discharging conveying device which are sequentially connected are arranged on the frame, a discharging end of the feeding conveying device and an air outlet of the circulating air supply device are respectively corresponding to a first feeding port, the heavy material discharging conveying device is corresponding to a heavy material outlet of the separating drum device, a light material outlet of the separating drum device is communicated with a sedimentation chamber of the sedimentation device, the top of the sedimentation chamber is connected with the circulating air supply device through a circulating air pipe, and the second driving mechanism can drive the separating drum device, the sedimentation device and the light material discharging conveying device to vertically rotate together. The utility model has the advantages of convenient and quick operation, compact and stable structure, small volume and low energy consumption, thereby improving the winnowing precision, efficiency, service life and the like of the equipment, along with high safety, stability and reliability.

Description

Movable winnowing machine

Technical Field

The utility model relates to garbage classification recycling equipment, in particular to a movable winnowing machine.

Background

Along with the continuous progress of society and the rapid development of science and technology, the ideas of environmental protection and sustainable development and the continuous improvement of consciousness of people are promoted, the nations advocate the ideas of environmental protection, resource conservation and the like, and more importance is attached to the classification, recycling and reutilization of various solid waste, such as construction waste and the like. The winnowing machine is a common sorting device for sorting various solid garbage wastes, but the existing winnowing machines have the defects of large volume, heavy weight, inconvenient operation, inconvenient movement and transportation, inconvenient adjustment, low sorting precision, low efficiency, high energy consumption, low safety, stability and reliability, and can not meet the higher and higher requirements, thereby influencing the application and development of products.

Disclosure of Invention

The utility model aims to provide a movable winnowing machine, which can solve at least one of the technical problems, and the technical scheme of the utility model is as follows:

the utility model provides a portable air separator, be provided with the frame on the crawler-type frame, be provided with feeding conveyor in the frame, circulation air supply device, heavy material ejection of compact conveyor, second actuating mechanism and the separating drum device that connects gradually, subside device and light material ejection of compact conveyor, the discharge end of feeding conveyor and the air outlet of ring air supply device correspond with the first feed inlet of separating drum device respectively, heavy material ejection of compact conveyor corresponds with the heavy material export of separating drum device, the light material export of separating drum device communicates with the settling chamber of subsider, the top of settling chamber is connected with circulation air supply device through the circulation tuber pipe, second actuating mechanism can drive separating drum device, subside device and light material ejection of compact conveyor rotate together, the material can separate in entering separating drum device, heavy material in the material falls to heavy material ejection of compact conveyor and exports from the heavy material export, light material subsides in entering settling chamber, light material subsides and exports on light material ejection of compact conveyor.

In some embodiments, the feeding conveying device comprises a first mounting frame, a receiving hopper, a first driving roller, a first driven roller, a third driving mechanism and a first conveying belt are arranged on the first mounting frame, first baffle plates are respectively arranged on two sides of the first mounting frame, the first driving roller is located at one end of the first mounting frame, the first driven roller is located at the other end of the first mounting frame, the third driving mechanism drives the first driving roller to rotate, the first driving roller is matched with the first driven roller to drive the first conveying belt to convey corresponding materials, the first conveying belt is used for conveying corresponding materials, the receiving hopper is arranged on two first baffle plates, first material guide plates are respectively arranged on the inner sides of the two first baffle plates, and the lower end of each first material guide plate is connected with a flexible material guide plate.

In some embodiments, the circulating air supply device comprises a first base and a first fan arranged on the first base, an air outlet nozzle and a first air suction pipe are arranged on the first fan, the first air suction pipe is detachably connected with one end of a first hose, and the other end of the first hose is detachably connected with one end of the circulating air pipe.

In some embodiments, the heavy burden ejection of compact conveyor includes the second mounting bracket, be provided with the second conveyer belt that is used for carrying the material on the second mounting bracket, fourth actuating mechanism, fifth actuating mechanism and with second conveyer belt matched with first backing roll, first pinch roller and two first driving rollers, two first driving rollers are located the both ends of second mounting bracket respectively, fourth actuating mechanism drives one of them second mounting bracket rotation at least, the second mounting bracket includes mutually supporting fixed part and folding part, fixed part articulates through hinge assembly with folding part, fifth actuating mechanism can drive folding part rotation and fold, first backing roll and first pinch roller are located the folding part of second mounting bracket, hinge assembly's rotation center is coaxial with first backing roll, first pinch roller is located the top of first backing roll, first pinch roller can press the last conveying part of second conveyer belt in folding part and hold, first backing roll can support the lower conveying part of second conveyer belt in folding part.

In some embodiments, the second mounting frame is provided with a first bracket, the first pinch roller is mounted on the first bracket, and the first pinch roller is a nylon pinch roller.

In some embodiments, the bottom of the light material discharging and conveying device is provided with a rotatable leg assembly, the rotatable leg assembly comprises at least one first leg and a first connecting seat, the first connecting seat is mounted on a third mounting frame of the light material discharging and conveying device, the first connecting seat is hinged with the upper end of the first leg, and the first leg can rotate relative to the first connecting seat to enable the first leg to be folded and put down.

In some embodiments, the rotatable leg assembly further includes a first locking member capable of locking the first connection base with the first leg, and a second locking member disposed at a lower end of the first leg, the second locking member being capable of being connected with the third mounting bracket after the first leg is rotated and retracted relative to the first connection base.

In some embodiments, the first connecting seat is hinged to the first supporting leg through the second rotating shaft, a first arc-shaped chute is arranged on the first connecting seat, the first arc-shaped chute is coaxial with the second rotating shaft, a first guide pillar matched with the first arc-shaped chute is arranged on the first supporting leg, and the first guide pillar slides along the first arc-shaped chute along with the rotation of the first supporting leg by taking the second rotating shaft as a center.

In some embodiments, the drum separator comprises a first casing, a stirring roller, a first driving mechanism and a first rotating shaft, wherein a separation chamber is arranged in the first casing, the stirring roller is positioned in the separation chamber, the stirring roller is arranged on the first rotating shaft, two ends of the first rotating shaft are respectively hinged with the frame, the first driving mechanism drives the first rotating shaft to rotate, the stirring roller can rotate along with the first rotating shaft, the first casing is hinged with the first rotating shaft, a first feeding port, a heavy material outlet and a light material outlet are respectively arranged on the first casing and are respectively communicated with the separation chamber, the heavy material outlet is positioned between the first feeding port and the stirring roller, the heavy material outlet is arranged at the bottom of the separation chamber, the heavy material discharging and conveying device is positioned below the heavy material outlet, and the stirring roller is positioned between the first feeding port and the light material outlet.

In some embodiments, the sedimentation device comprises a second casing, the second casing is connected with the first casing, a sedimentation chamber is arranged in the second casing, the light material discharging and conveying device is arranged at the bottom of the second casing, a fourth mounting frame is arranged on the first casing, the second driving mechanism drives the fourth mounting frame to rotate so that the separation drum device, the sedimentation device and the light material discharging and conveying device rotate up and down together, first material guiding surfaces which incline downwards are respectively arranged at two sides of the sedimentation chamber, a first air duct and a first filter screen matched with the first air duct are arranged at the top of the sedimentation chamber, and the circulating air duct is communicated with the first air duct.

The beneficial effects of the utility model are as follows: the corresponding materials fall on a feeding and conveying device to be conveyed, then the materials enter the separating drum device from a first feed inlet of the separating drum device, under the action of a circulating air supply device, the materials are separated by winnowing by taking controllable air flow as a separating medium according to different characteristics of the materials such as density, appearance, size and the like, heavy materials can fall vertically in a separating chamber or fall into parabolas under the action of feeding inertia due to the fact that the heavy materials cannot be blown up by the high density and floating air flow, the heavy materials fall onto a heavy material discharging and conveying device from a heavy material outlet to be output, lighter and thinner materials such as paper sheets, films, plastic bags and wood are blown to a far place, light materials are settled from a light material outlet to be blown into a settling chamber of the settling device, the light materials in the settling chamber are finally settled and fall back onto a light material discharging and conveying device to be output, thereby realizing the winnowing separation sedimentation and output of materials, the top of the sedimentation chamber is connected with the circulating air supply device through the circulating air pipe, the circulating air path can be realized in the equipment, the energy loss and the orderly falling back of the light materials in the sedimentation chamber can be reduced, the second driving mechanism can drive the separating drum device, the sedimentation device and the light material discharging and conveying device to rotate up and down together, the angles, the positions and the like of the separating drum device, the sedimentation device and the light material discharging and conveying device are convenient to adjust, the better winnowing separation of materials is ensured, when the equipment does not work, the second driving mechanism can also enable the separating drum device and the like to be in a horizontal position, the equipment is convenient to move, carry and the like, the crawler frame is also convenient for the whole mobile equipment, the operation is convenient and quick, the structure is compact, stable, the volume is small, the energy consumption is low, thereby improving the winnowing precision, the efficiency, the service life and the like of the equipment, the safety, stability and reliability are high, and the application and development of the product are expanded.

In addition, in the technical scheme of the utility model, the technical scheme can be realized by adopting conventional means in the field without specific description.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a mobile winnowing machine according to an embodiment of the present utility model.

Fig. 2 is a schematic structural view of a mobile winnowing machine according to an embodiment of the present utility model.

Fig. 3 is a schematic structural view of a feed conveyor according to an embodiment of the present utility model.

Fig. 4 is a schematic structural view of a feed conveyor according to an embodiment of the present utility model.

Fig. 5 is a schematic structural view of a circulation air supply device according to an embodiment of the present utility model.

Fig. 6 is a schematic partial structure of a circulation air supply device according to an embodiment of the present utility model.

Fig. 7 is a schematic structural view of a heavy burden discharge conveyor according to an embodiment of the present utility model.

Fig. 8 is a schematic structural view of a heavy burden discharge conveyor according to an embodiment of the present utility model.

Fig. 9 is a partial enlarged view of fig. 8 a according to an embodiment of the present utility model.

Fig. 10 is a schematic partial structure of a heavy burden discharge conveyor according to an embodiment of the present utility model.

Fig. 11 is a partial enlarged view of fig. 10B according to an embodiment of the present utility model.

Fig. 12 is a schematic structural view of a separator drum device according to an embodiment of the present utility model.

Fig. 13 is a schematic structural view of a separator drum device according to an embodiment of the present utility model.

Fig. 14 is a schematic structural view of a settling device according to an embodiment of the present utility model.

Fig. 15 is a schematic structural view of a light material discharging and conveying device according to an embodiment of the present utility model.

Fig. 16 is a schematic view of a rotatable leg assembly according to an embodiment of the present utility model.

Fig. 17 is a partial schematic view of a rotatable leg assembly according to an embodiment of the present utility model.

The reference numerals in the drawings indicate that the crawler frame 1, the frame 2, the second driving mechanism 21, the feeding conveyor 3, the first mounting frame 31, the first baffle 311, the first guide plate 312, the flexible guide plate 313, the first torsion seat 314, the first tail cover 315, the receiving hopper 32, the first inclined surface 321, the first driving roller 33, the first driven roller 34, the third driving mechanism 35, the first torsion arm 351, the first conveyor belt 36, the first tensioning assembly 37, the circulation air supply device 4, the first base 41, the first fan 42, the air outlet nozzle 43, the first air suction pipe 44, the first hose 45, the circulation air pipe 46, the first cross bar 47, the first adjusting seat 48, the weight-discharge conveyor 5, the second mounting frame 51, the fixing portion 511, the folding portion 512, the first supporting roller 513, the first pinch roller 514, the first bracket 515, the second guide plate 516, the second tail cover 517, the second conveyor belt 52, the first driving roller 53, fourth drive mechanism 54, fifth drive mechanism 55, first cylinder 551, fourth connection base 552, fifth connection base 553, hinge assembly 56, second connection base 561, third connection base 562, third rotation shaft 563, first connection block 564, knock-out drum device 6, first feed inlet 601, heavy material outlet 602, light material outlet 603, separation chamber 604, first housing 61, toggle roller 62, first drive mechanism 63, first rotation shaft 64, fourth mounting bracket 65, third guide plate 66, fourth guide plate 67, settling device 7, settling chamber 701, first guide surface 702, first air duct 703, first filter screen 704, second housing 71, light material discharge conveyor 8, third mounting bracket 81, rotatable leg assembly 85, first leg 851, first guide post 8511, first connection base 852, first arc chute 8521, first locking member 853, second locking member 854, second rotation shaft 855, a first support bar 856, a control cabinet 9.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are illustrative of some, but not all embodiments of the utility model and are not intended to limit the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", "both ends", "two sides", "bottom", "top", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the elements referred to must have a specific orientation or be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "superior," "subordinate," "primary," "secondary," and the like are used for descriptive purposes only and may be used simply to more clearly distinguish between different components and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediary, or communicating between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to figures 1 to 17, a mobile winnowing machine according to the utility model is schematically shown, comprising a crawler frame 1, the crawler frame 1 facilitating the overall movement of the device. The crawler frame 1 is provided with a frame 2, the frame 2 is provided with a feeding conveying device 3, a circulating air supply device 4, a heavy material discharging conveying device 5, a second driving mechanism 21, a separating drum device 6, a sedimentation device 7 and a light material discharging conveying device 8, the separating drum device 6, the sedimentation device 7 and the light material discharging conveying device 8 are sequentially connected to form an integrated structure, the second driving mechanism 21 can drive the separating drum device 6, the sedimentation device 7 and the light material discharging conveying device 8 to rotate up and down together, and the top of a sedimentation chamber 701 of the sedimentation device 7 is connected with the circulating air supply device 4 through a circulating air pipe 46, so that a circulating air path can be realized inside equipment. The discharge end of the feeding conveying device 3 and the air outlet 43 of the annular air supply device correspond to the first feed inlet 601 of the separating drum device 6 respectively, the separating drum device 6 is used for separating the weight in the materials from the light materials, the heavy materials discharging conveying device 5 corresponds to the heavy materials outlet 602 of the separating drum device 6, the light materials outlet 603 of the separating drum device 6 is communicated with the settling chamber 701 of the settling device 7, the heavy materials fall onto the heavy materials discharging conveying device 5 from the heavy materials outlet 602 to be output, and the light materials in the settling chamber 701 can be settled and output on the light materials discharging conveying device 8.

In the use process, corresponding materials fall on the feeding conveying device 3 to be conveyed, then the materials enter the separating drum device 6 from the first feed inlet 601 of the separating drum device 6, under the action of the circulating air supply device 4, the materials are separated by winnowing by taking controllable air flow as a separation medium according to different characteristics of density, appearance, size and the like of the materials, heavy materials can vertically fall in the separating chamber 604 or become parabolic under the action of feeding inertia due to the fact that the heavy materials cannot be blown up due to the high density and the upward air flow, the heavy materials fall on the heavy material outlet 602 to the heavy material discharging conveying device 5 to be output, lighter and thinner materials such as paper sheets, films, plastic bags and wood are blown to a far place, the light materials are blown into the settling chamber 701 of the settling device 7 from the light material outlet 603, and the materials in the settling chamber 701 finally settle back to the light material discharging conveying device 8 to be output, so that winnowing separation settling and output of the materials are realized. The top of the settling chamber 701 is connected with the circulating air supply device 4 through the circulating air pipe 46, so that a circulating air path is realized in the equipment, energy loss is reduced, light materials fall back in order in the settling chamber 701 and the like, the separating drum device 6, the settling device 7 and the light material discharging and conveying device 8 are sequentially connected to form an integrated structure, the mechanism is compact and stable, the second driving mechanism 21 can drive the separating drum device 6, the settling device 7 and the light material discharging and conveying device 8 to rotate up and down together, angles, positions and the like of the separating drum device 6, the settling device 7 and the light material discharging and conveying device 8 are convenient to adjust simultaneously, the materials are guaranteed to be separated better in a winnowing mode, when the equipment does not work, the second driving mechanism 21 can enable the separating drum device 6 and the like to be in a horizontal position, the equipment is convenient to move, carry and the like, the crawler frame 1 is convenient for integrally moving the equipment, the crawler frame 1 is convenient and fast to operate, the crawler frame is compact and stable, the structure is small in size, the winnowing precision, the efficiency is low, the service life and the like are high in safety, the stability and reliability.

The crawler frame 1 is provided with the track that is used for walking to remove respectively in both sides, and the track can adopt metal track etc. that intensity is high, and the track is driven by power device such as motor, motor for crawler frame 1 can the whole removal, crawler-type structure, and trafficability characteristic, climbing ability, load capacity etc. are stronger. The crawler frame 1 is also provided with a control cabinet 9, a hydraulic station and the like, the control cabinet 9 is provided with an operation panel, a safety indicator light, a control module and the like, the control module is provided with a plurality of protection facilities such as emergency stop protection buttons, short circuits, overload, interlocking and the like, and the crawler frame can be simultaneously provided with functions such as remote control and the like, so that the intellectualization of equipment is improved. When the equipment is in normal operation, the green light of the safety indicator light is on, when the equipment is electrified but no action is performed, the yellow light is on, and when the equipment is in alarm, the red light is on.

The feeding conveying device 3 comprises a first mounting frame 31, the first mounting frame 31 is mounted on the frame 2, a receiving hopper 32, a first driving roller 33, a first driven roller 34, a third driving mechanism 35 and a first conveying belt 36 are arranged on the first mounting frame 31, the first driving roller 33 is located at one end of the first mounting frame 31, the first driven roller 34 is located at the other end of the first mounting frame 31, the third driving mechanism 35 drives the first driving roller 33 to rotate, the first driving roller 33 and the first driven roller 34 are matched to drive the first conveying belt 36 to convey, and the first conveying belt 36 is used for conveying corresponding materials. The both sides of first mounting bracket 31 are provided with first baffle 311 respectively, and the bottom of receiving hopper 32 is connected with two first baffles 311 respectively, and the inboard of two first baffles 311 is provided with first stock guide 312 respectively, and the lower extreme of every first stock guide 312 is connected with flexible stock guide 313, and first stock guide 312 and flexible stock guide 313 are used for leading the material. The first conveyor belt 36 may be an oil-resistant acid-resistant alkali-resistant belt, and may further be provided with a heavy-duty buffer bed, which is a common technique in the prior art, to further improve the service life thereof, etc.

The materials to be winnowed enter from the receiving hopper 32, then fall on the first conveying belt 36 along the first material guiding plate 312 and the flexible material guiding plate 313, the third driving mechanism 35 drives the first driving roller 33 to rotate, the first driving roller 33 is matched with the first driven roller 34 to drive the first conveying belt 36 to convey the materials, the receiving hopper 32 is convenient for the materials to fall on the first conveying belt 36 better, the first baffle 311 can block the materials, and the like, the first material guiding plate 312 and the flexible material guiding plate 313 on the first baffle 311 can guide the materials, the flexible material guiding plate 313 can be flexibly deformed and pressed on the first conveying belt 36, the materials are prevented from escaping better, particularly, the light materials in the materials are prevented from escaping, such as paper sheets, films, plastic bags, wood heads and the like, the flexible material guiding plate 313 is not easy to damage the first conveying belt 36 and the like, and therefore stable and reliable feeding is ensured.

The flexible guide plate 313 is a flexible rubber plate, and has good elasticity, convenient processing and low cost, and the flexible guide plate 313 can also be a flexible silica gel plate, a flexible optimal force rubber plate or other suitable flexible plates. The first guide plate 312 and the flexible guide plate 313 are both inclined inwards, that is, the first guide plate 312 and the flexible guide plate 313 are both inclined towards the middle of the first conveyor belt 36, so that better material guiding is facilitated. The first guide plate 312 and the flexible guide plate 313 may be formed by sequentially connecting one or more sections with two ends, so that the operation is more convenient.

The first driving roll 33 is located at the discharging end of the feeding conveying device 3, one end of the first mounting frame 31, which is close to the first driven roll 34, is provided with a first tail cover 315 matched with the first conveying belt 36, which is equivalent to the tail of the first mounting frame 31, the first tail cover 315 can prevent materials on the first conveying belt 36 from running out of the tail of the first mounting frame 31, and the like, and the first tail cover 315 can be connected with the bottom of one end of the receiving hopper 32, which is close to the first driven roll 34, so that the feeding device is safer and more reliable. The end of the receiving hopper 32 close to the first driving roller 33 is open, so that the structure is simple, and the discharge end of the feeding conveying device 3 is more convenient to correspondingly match with subsequent processing equipment. The inside of the receiving hopper 32 is also provided with a first inclined surface 321 for guiding the material, and the first inclined surface 321 is inclined to the middle part of the first conveying belt 36 generally, so that the guiding of the material is facilitated.

The third driving mechanism 35 may employ a servo motor, a stepping motor, a gear motor, a hydraulic motor, or the like. Be provided with first torsion seat 314 on the first mounting bracket 31, third actuating mechanism 35 is gear motor, and the output of third actuating mechanism 35 is provided with the first torsion arm 351 of being connected with torsion seat, convenient operation, and gear motor of being convenient for can be installed at arbitrary angle in space, can shift gear motor's stress point moreover, prevents gear motor's casing and rotates, has reduced vibration, avoids gear motor's damage etc.. The third driving mechanism 35 can also adjust the running speed thereof through the variable frequency controller, so that the materials can be pulled apart and dispersed conveniently to realize uniform feeding, thereby creating conditions for the subsequent winnowing and achieving the expected effect. The first driving roller 33 and the first driven roller 34 can adopt an integrated driving head wheel, and have the characteristics of compact structure, reliable performance, light weight, convenient maintenance and the like. The two sides of the first mounting frame 31 are respectively provided with a bearing with a seat matched with two ends of the first driving roller 33, so that the installation is convenient, and the first driving roller 33 can be guaranteed to rotate better.

The two sides of the first mounting frame 31 are respectively provided with a first tensioning assembly 37 matched with two ends of the first driven roller 34, and the first conveyor belt 36 is conveniently tensioned by adjusting the first tensioning assemblies 37. Further, the first tensioning assembly 37 includes a first fixing seat, a first slider and a first adjusting screw, a first bearing connected with the first driven roller 34 is arranged on the first slider, a first slideway matched with the first slider is arranged on the first fixing seat, one end of the first adjusting screw is connected with the first slider, one end of the first adjusting screw is axially fixed with the first slider and can rotate in the circumferential direction, a fixed block connected with the first adjusting screw in a threaded manner is arranged on the first mounting frame 31, and a locking nut is further arranged on the first adjusting screw. The fixed block is fixed, and the first adjusting screw is rotated, so that the first adjusting screw axially moves, and the first adjusting screw pulls the first sliding block to slide along the first slideway, so that the position of the first driven roller 34 is adjusted, and the first conveying belt 36 is tensioned.

The first mounting bracket 31 is installed on frame 2, and the both sides bottom of first mounting bracket 31 can also be provided with the connecting seat respectively, and the connecting seat is connected with frame 2 through first screw, is provided with on the frame 2 with screw matched with slotted hole, with connecting seat matched with jackscrew and with jackscrew threaded connection's fixing base. The jackscrew promotes connecting seat and screw and removes along the slotted hole, and connecting seat and screw remove suitable position, lock fixedly through the nut on the screw to adjust the position of first mounting bracket 31, the discharge end of the feeding conveyor 3 of being convenient for is better corresponding cooperation with the air outlet nozzle 43 of separating drum device 6 and circulation air supply device 4.

The circulation air supply device 4 includes a first base 41 and a first fan 42, the first fan 42 is mounted on the first base 41, and the first base 41 is mounted on the frame 2. The first fan 42 is provided with an air outlet nozzle 43 and a first air suction pipe 44, the discharge end of the material conveying device and the air outlet nozzle 43 of the annular air supply device are respectively corresponding to the first feed inlet 601 of the separation drum device 6, the first air suction pipe 44 is detachably connected with one end of a first hose 45, the other end of the first hose 45 is detachably connected with one end of a circulating air pipe 46, such as fastening pieces of fastening connection or screws and the like, and the other end of the circulating air pipe 46 is communicated with the top of a sedimentation chamber 701 of the sedimentation device 7. In the use process, the first fan 42 works, wind power blows out from the outlet of the air outlet nozzle 43, materials entering the separation chamber 604 of the separation drum device 6 are separated by winnowing, heavy materials can fall vertically in the separation chamber 604 or fall into parabolas under the action of feeding inertia due to high density and upward floating air flow, lighter and thinner materials such as paper sheets, films, plastic bags and wood are blown away to the far settling chamber 701, light materials settle and fall back in the settling chamber 701, then wind power air flow enters the circulating air pipe 46 from the top of the settling chamber 701, and then the wind power air flow is sucked into the first fan 42 through the first hose 45 and the first air suction pipe 44 in sequence, so that circulating air can be provided for the movable air separator, a circulating air path is realized in the equipment, the energy loss and the falling back of the light materials in the settling chamber 701 can be reduced, the first hose 45 can be bent, the operation is convenient, the hoses with different specifications and the change are convenient for realizing different wind speeds, the separation of light and heavy materials in the materials is facilitated, and the like.

The first fan 42 can adopt a high-pressure fan, the efficiency is higher, a variable-frequency speed regulator and the like can be further arranged on the high-pressure fan, the air flow speed can be conveniently controlled, and the materials can be better separated by winnowing.

The first air suction pipe 44 and the circulating air pipe 46 are respectively provided with a bending part, so that the operation and the space utilization are facilitated, and the volume of equipment is reduced. The first air suction pipe 44 is provided with a first flange connected with the first fan 42, the circulating air pipe 46 is provided with a second flange connected with the sedimentation device 7, and the structure is simple and stable, and the operation is more convenient.

The outlet of the air outlet nozzle 43 is flat, so that the uniformity of wind force is ensured, and the width of the outlet of the air outlet nozzle 43 can be as consistent as possible with the width of the separation chamber 604 of the object separation drum device 6, and the effect is better. The inner cavity of the air outlet nozzle 43 gradually decreases toward the direction of the outlet thereof, so that the wind power of the outlet of the air outlet nozzle 43 is conveniently enhanced, and the like. The outlet of the air outlet nozzle 43 can be obliquely upwards, so that the materials can be better separated by winnowing, and the like. The air outlet nozzle 43 is detachably connected with the first fan 42, so that different air outlet nozzles 43 can be conveniently replaced according to specific conditions to regulate and control the strength and the speed of wind power, and the application range is wider.

The air outlet nozzle 43 is provided with the first cross rod 47 which is connected with the frame 2, the first cross rod 47 can be one or more than two, and the first cross rod 47 can also ensure that the structure of the air outlet nozzle 43 is more stable. The two ends of the first cross rod 47 are respectively provided with a first adjusting seat 48 used for being connected with the frame 2, the height of the first adjusting seat 48 on the frame 2 of the mobile winnowing machine can be adjusted, for example, a screw rod mechanism connected with the first adjusting seat 48 can be arranged on the frame 2, the height of the first adjusting seat 48 is adjusted through the screw rod mechanism, so that the height of the air outlet nozzle 43 is adjusted, the air outlet nozzle 43 can be matched with the first feed inlet 601 of the separating drum device 6 better, and the air outlet nozzle 43 can be connected with the first fan 42 through a hose. The screw mechanism is a common mechanism in the art and will not be described in detail here.

The heavy material discharging and conveying device 5 comprises a second mounting frame 51, the second mounting frame 51 is mounted on the frame 2, a second conveying belt 52 for conveying materials, a fourth driving mechanism 54, a fifth driving mechanism 55, a first supporting roller 513, a first pressing wheel 514 and two first driving rollers 53, wherein the first supporting roller 513, the first pressing wheel 514 and the two first driving rollers 53 are matched with the second conveying belt 52, the two first driving rollers 53 are respectively located at two ends of the second mounting frame 51, and the fourth driving mechanism 54 at least drives one first driving roller 53 to rotate. The second conveyer belt 52 can adopt an oil-resistant acid-resistant alkali-resistant belt, and the first driving roller 53 can adopt an integrated driving head wheel, so that the novel conveyer belt has the characteristics of compact structure, reliable performance, light weight, convenience in maintenance and the like.

The second mounting frame 51 includes mutually supporting fixed portion 511 and folding portion 512, fixed portion 511 and folding portion 512 are articulated through hinge assembly 56, fifth actuating mechanism 55 can drive folding portion 512 rotation and fold, first backing roll 513 and first pinch roller 514 are located the folding department of second mounting frame 51, hinge assembly 56's rotation center and first backing roll 513 coaxial, first pinch roller 514 is located the top of first backing roll 513, first pinch roller 514 can press the upper conveying portion of second conveyer belt 52 at the folding department, first backing roll 513 can support the lower conveying portion of second conveyer belt 52 at the folding department. First puck 514 is rotatable and more secure, stable, and reliable. The second mounting frame 51 is provided with the first bracket 515, and the first pressing wheel 514 is mounted on the first bracket 515, so that the operation is more convenient. In the use process, the heavy materials after the winnowing separation fall on the second conveying belt 52, and the fourth driving mechanism 54 drives one of the first driving rollers 53 to rotate, and the two first driving rollers 53 cooperate to drive the second conveying belt 52 to convey the heavy materials. When the apparatus is moved, carried or not used, the fifth driving mechanism 55 drives the folding portion 512 of the second mounting frame 51 to rotate centering on the hinge assembly 56, so that the folding portion 512 of the second mounting frame 51 is folded with respect to the fixing portion 511, movement, carrying and storage of the apparatus are facilitated, and the like, and the first pressing wheel 514 can press the upper conveying portion of the second conveying belt 52 at the folding position, and the first supporting roller 513 can support the lower conveying portion of the second conveying belt 52 at the folding position, so that not only can the second conveying belt 52 be better driven, but also the second conveying belt 52 can be prevented from being warped, the second conveying belt 52 can be ensured to be stably and synchronously folded, and the like.

The first pressing wheel 514 is a nylon pressing wheel, so that the processing is convenient, the cost is low, the second conveying belt 52 is not easy to damage, and the like. First puck 514 may also be a rubber wheel, a silicone wheel, or other suitable materials known in the art.

The hinge assembly 56 includes a second coupling seat 561 and a third coupling seat 562, the second coupling seat 561 is mounted on the fixing portion 511, the third coupling seat 562 is mounted on the folding portion 512, for example, fastened by a screw or the like, the second coupling seat 561 is hinged with the third coupling seat 562 through a third rotation shaft 563, and a shaft end of the third rotation shaft 563 can be locked by a locking nut, a cotter pin, a circlip or the like.

The fixed part 511 is close to the one end both sides of folding part 512 and is provided with hinge assemblies 56 and first pinch roller 514 respectively, is provided with the first connecting block 564 of being connected with the both ends of first backing roll 513 on two hinge assemblies 56 respectively, and first connecting block 564 is installed on the second connecting seat 561, is provided with the connecting hole of being connected with first backing roll 513 on every first connecting block 564, and the atress is more even, and the structure is more firm, reliable. The second mounting frame 51 may further be provided with a second supporting roller matched with the second conveying belt 52, and the position, the number and the like of the second supporting roller are determined according to specific situations.

The two sides of the fixed part 511 and the two sides of the folding part 512 are respectively provided with a second material guiding plate 516, the second material guiding plates 516 are positioned above the second conveying belt 52, and the second material guiding plates 516 can guide materials more safely and reliably. The first pressing wheel 514 is located at the outer side of the second material guiding plates 516, materials are conveyed between the two second material guiding plates 516, and the materials cannot affect the first pressing wheel 514 and the like. The lower end of the second guide plate 516 is provided with a guide slope for guiding the material.

The end of the folding part 512 far away from the fixing part 511 is a discharging end, and the end of the fixing part 511 far away from the folding part 512 is provided with a second tail cover 517 matched with the second conveying belt 52, namely, the second tail cover 517 is arranged at the tail part of the second mounting frame 51, so that materials on the second conveying belt 52 are prevented from running out from the tail part of the second mounting frame 51, and the like, and the folding device is safer and more reliable.

The fourth driving mechanism 54 may employ a servo motor, a stepping motor, a gear motor, a hydraulic motor, or the like. The second mounting frame 51 is provided with a torsion seat, the output end of the fourth driving mechanism 54 is provided with a torsion arm connected with the torsion seat, and two sides of the second mounting frame 51 may also be respectively provided with tensioning assemblies matched with two ends of the first driving roller 53, which are not described in detail herein with reference to the related structure of the feeding and conveying device 3.

The fifth driving mechanism 55 may be an oil cylinder, an air cylinder, an electric cylinder, a hydraulic cylinder, a linear module, or the like. Further, the fifth driving mechanism 55 includes a first oil cylinder 551, a fourth connecting seat 552 and a fifth connecting seat 553, the fourth connecting seat 552 is mounted on the folding portion 512, the fifth connecting seat 554 is mounted on the frame 2, for example, is connected by a fastener such as a screw, one end of the first oil cylinder 551 is hinged to the fourth connecting seat 552, the other end of the first oil cylinder 551 is hinged to the fifth connecting seat 553, for example, the first oil cylinder 551 is hinged to the fourth connecting seat 552 and the fifth connecting seat 553 through a rotating shaft or a pin, respectively, and the hinge assembly 56 can be referred to above.

When the heavy material discharging and conveying device 5 works, the fixing portion 511 of the second mounting frame 51 is horizontally arranged, the folding portion 512 of the second mounting frame 51 can form an angle of 30 degrees with the horizontal plane, and after the fifth driving mechanism 55 drives the folding portion 512 of the second mounting frame 51 to fold, the folding portion 512 of the second mounting frame 51 rotates to be in a vertical state. The folding portion 512 of the second mounting frame 51 may further be provided with a connecting seat, when the fifth driving mechanism 55 drives the folding portion 512 of the second mounting frame 51 to fold, the connecting seat may be fixedly connected with the frame 2 through a bolt, a pull rod, a steel wire rope, etc., so that the equipment is ensured to be more stable and reliable, and the burden of the fifth driving mechanism 55 can be reduced.

The separating drum device 6 comprises a first casing 61, a stirring roller 62, a first driving mechanism 63 and a first rotating shaft 64, wherein the first casing 61, the sedimentation device 7 and the light material discharging and conveying device 8 are sequentially connected, two ends of the first rotating shaft 64 are respectively hinged with the frame 2, the first casing 61 is hinged with the first rotating shaft 64, the second driving mechanism 21 is connected with the first casing 61, and the second driving mechanism 21 drives the first casing 61, the sedimentation device 7 and the light material discharging and conveying device 8 to rotate up and down together. The first casing 61 is internally provided with a separation chamber 604, the stirring roller 62 is positioned in the separation chamber 604, the stirring roller 62 is arranged on the first rotating shaft 64, the first driving mechanism 63 drives the first rotating shaft 64 to rotate, the stirring roller 62 can rotate along with the first rotating shaft 64, the first feeding port 601, the heavy material outlet 602 and the light material outlet 603 are respectively arranged on the first casing 61 and are respectively communicated with the separation chamber 604, the heavy material outlet 602 is positioned between the first feeding port 601 and the stirring roller 62, the heavy material outlet 602 is arranged at the bottom of the separation chamber 604, the heavy material discharging and conveying device 5 is positioned below the heavy material outlet 602, and the stirring roller 62 is positioned between the first feeding port 601 and the light material outlet 603. In the use process, the material enters the separation chamber 604 from the first feed inlet 601, and under the action of the circulating air supply device 4, the first driving mechanism 63 drives the stirring roller 62 in the separation chamber 604 to rotate, the stirring roller 62 rotates to accelerate the separation of the material, the light material is prevented from being disturbed by the heavy material, and the like, the heavy material cannot be blown up due to high density and floating air flow, so that the heavy material can vertically fall in the separation chamber 604 or fall into parabolas under the action of incoming material inertia, the heavy material falls from the heavy material outlet 602 to the heavy material discharging and conveying device 5 to be output, and lighter and thinner materials such as paper sheets, films, plastic bags and wood are blown into the far sedimentation chamber 701 to be sedimentated.

The first driving mechanism 63 may employ a servo motor, a stepping motor, a gear motor, a hydraulic motor, or the like. The frame 2 may be provided with a torsion seat, and the output end of the first driving mechanism 63 is provided with a torsion arm connected with the torsion seat, which is convenient to operate and refers to the feeding and conveying device 3.

The second driving mechanism 21 may be an oil cylinder, an air cylinder, an electric cylinder, a hydraulic cylinder, a linear module, or the like. The first casing 61 is provided with a fourth mounting frame 65, the second driving mechanism 21 is an oil cylinder, one end of the second driving mechanism 21 is hinged with the frame 2, the other end of the second driving mechanism 21 is hinged with the fourth mounting frame 65, and the second driving mechanism 21 drives the fourth mounting frame 65 to rotate, so that the separating drum device 6, the sedimentation device 7 and the light material discharging and conveying device 8 integrally rotate up and down. When the equipment is used or the second driving mechanism 21 drives the fourth mounting frame 65 to rotate, the fourth mounting frame 65 and the frame 2 can be tensioned and fixed through the steel wire rope or the pull rod, so that the equipment is more stable and reliable, and the burden of the second driving mechanism 21 can be lightened. The fourth mounting frame 65 and the frame 2 may be respectively provided with a connection seat hinged with the second driving mechanism 21, the connection seat may be hinged with the second driving mechanism 21 through a pin shaft, and the shaft end of the pin shaft may be locked through a lock nut, a cotter pin, a circlip, or the like.

The material stirring roller 62 is installed on the first rotating shaft 64, the material stirring roller 62 is fixedly connected with the first rotating shaft 64 in the circumferential direction, the first casing 61 is hinged with the first rotating shaft 64, two ends of the first rotating shaft 64 are respectively hinged with the frame 2, the first rotating shaft 64 is driven to rotate by the first driving mechanism 63, the material stirring roller 62 can rotate along with the first rotating shaft 64, and under the limitation of the second driving mechanism 21, the first casing 61 can be kept stable, so that the operation is convenient, and the structure is more stable and reliable. The stand 2 is provided with the bearing with the seat which is matched with the two ends of the first rotating shaft 64 respectively, so that the operation is convenient, and the first rotating shaft 64 and the stirring roller 62 can rotate better. Bearings or seated bearings may also be provided on the first housing 61 that cooperate with the first shaft 64 to facilitate better up and down rotation of the first housing 61 by the second drive mechanism 21.

A third guide plate 66 is arranged in the separation chamber 604 and is used for being matched with the discharging of the heavy materials, and the third guide plate 66 can guide the heavy materials, so that the heavy materials can be output from the separation chamber 604 better. The third guide plate 66 is arranged along the vertical direction, the top of the third guide plate 66 is as close to the lower end of one side of the stirring roller 62 away from the light material outlet 603 as possible, heavy materials are prevented from running to the other side of the stirring roller 62, the material separation precision and the like are better ensured, and the device is safer and more reliable.

A fourth guide plate 67 for guiding the light materials with a light material outlet 603 is arranged on one side, close to the settling chamber 701, of the separation chamber 604, and the third guide plate 66 can guide the light materials, so that the light materials can enter the settling chamber 701 better. The fourth stock guide 67 slope sets up, and the top of fourth stock guide 67 is close to the one side middle part that the driving roller 62 kept away from first feed inlet 601, and the bottom of fourth stock guide 67 is close to the bottom of separation room 604 as far as possible, prevents that the light material from falling to the opposite side of driving roller 62 again, guarantees the precision etc. of material separation better, safer, reliable.

The sedimentation device 7 comprises a second casing 71, the second casing 71 is connected with the first casing 61, a light material outlet 603 is communicated with the sedimentation chamber 701, the sedimentation chamber 701 is arranged in the second casing 71, first material guiding surfaces which incline downwards are respectively arranged on two sides of the sedimentation chamber 701, a first air duct 703 is arranged at the top of the sedimentation chamber 701, a circulating air duct 46 is communicated with the first air duct 703, a light material discharging and conveying device 8 is arranged at the bottom of the second casing 71, a fourth mounting frame 65 is arranged on the first casing 61, a second driving mechanism 21 drives the fourth mounting frame 65 to rotate so that the separation drum device 6, the sedimentation device 7 and the light material discharging and conveying device 8 rotate up and down together, and the fourth mounting frame 65 can also be fixedly connected with the second casing 71 and the first casing 61 respectively.

The two sides of the settling chamber 701 are respectively provided with a first material guiding surface 702 which is inclined downwards, the first material guiding surface 702 can guide light materials and better utilize the space of the settling chamber 701 to reduce unit wind energy, so that the light materials are ensured to be settled orderly.

The top of settling chamber 701 is provided with first filter screen 704 with first wind channel 703 matched with, and the quantity and the arrangement etc. of first filter screen 704 are according to specific circumstances, and first filter screen 704 can prevent that the material from getting into first wind channel 703 and circulation line, prevent to block up the pipeline, damage air supply device etc. even, safer, reliable. In addition, the first screen 704 may also be a filter plate or other suitable filter structure.

The light material discharging and conveying device 8 comprises a third mounting frame 81 connected with the second casing 71, and a conveying belt, a driving roller, a driving mechanism, a material guiding plate, a torsion mechanism, a tail cover and the like for conveying materials are arranged on the third mounting frame 81, and reference may be made to the above-mentioned feeding and conveying device 3 and heavy material discharging and conveying device 5, which are not described in detail here.

The rotatable leg assembly 85 includes at least one first leg 851 and a first connection base 852, the first connection base 852 is mounted on the third mounting frame 81, the first connection base 852 is hinged to the upper end of the first leg 851, so that the first leg 851 can rotate relative to the first connection base 852, and the first leg 851 can rotate, so that the first leg 851 can be retracted and put down for support. When the equipment works, the first supporting leg 851 can be rotated, so that the first supporting leg 851 is put down to be supported, the first supporting leg 851 can be uniformly stressed on uneven ground through rotation, and the like, after the second driving mechanism 21 drives the separating drum device 6, the sedimentation device 7 and the light material discharging and conveying device 8 to integrally rotate to a proper angle, the first supporting leg 851 can be stably supported, and the equipment can be stably supported by the third mounting frame 81 with different inclination angles.

The light material discharging and conveying device 8 is obliquely arranged, so that light materials are conveyed upwards, the discharging end of the light material discharging and conveying device 8 is correspondingly matched with subsequent corresponding equipment, and the next step of separation or stacking of materials is facilitated.

The rotatable leg assembly 85 further includes a first locking member 853 and a second locking member 854, the second locking member 854 is disposed at a lower end of the first leg 851, when the first leg 851 is put down to support, the first locking member 853 can lock and fix the first connection base 852 and the first leg 851 after the first leg 851 is rotated to a proper position, and when the first leg 851 is rotated to be retracted, the second locking member 854 can be connected with the third mounting frame 81, so that the first leg 851 and the third mounting frame 81 are locked and fixed.

The first connecting seat 852 is hinged with the first supporting leg 851 through the second rotating shaft 855, the first connecting seat 852 is provided with a first arc-shaped chute 8521, the first arc-shaped chute 8521 is coaxial with the second rotating shaft 855, the first supporting leg 851 is provided with a first guide pillar 8511 matched with the first arc-shaped chute 8521, and when the first supporting leg 851 rotates by taking the second rotating shaft 855 as the center, the first guide pillar 8511 slides along the first arc-shaped chute 8521 at the same time, so that the structure is more stable and reliable. The first locking member 853 is a locking nut arranged on the first guide pillar 8511, and a threaded portion matched with the first locking member 853 is arranged on the first guide pillar 8511, so that the operation is more convenient.

The two first supporting legs 851 are symmetrically arranged, the two first supporting legs 851 are connected through the first supporting rod 856, each first supporting leg 851 is connected with the first connecting seat 852, the first locking piece 853 and the second locking piece 854 respectively, the stress is more uniform, and the structure is more stable and reliable. The two ends of the first support bar 856 are respectively connected with the two first support legs 851 by welding or by fastening members such as screws.

The third mounting frame 81 is provided with a first support connected with the second locking member 854, so that the operation is more convenient. The second locking piece 854 is a first pin shaft, the first pin shaft is detachably connected with the first supporting leg 851, a connecting hole matched with the first pin shaft is formed in the first supporting leg 851, a connecting hole matched with the first pin shaft is also formed in the first supporting seat, and the operation is more convenient and quicker. One end of the first pin shaft is provided with a first handle, and the operation is simpler and more convenient.

Compared with the prior art, the utility model has the advantages that: the first guide plate 312 and the flexible guide plate 313 of the feeding and conveying device 3 can guide materials, the flexible guide plate 313 can be flexibly deformed and pressed on the first conveying belt 36, the materials are prevented from escaping better, the first conveying belt 36 is not easy to damage, and the like; the material stirring roller 62 of the separation drum device 6 rotates to accelerate the separation of materials, avoid light materials from being disturbed by heavy materials and the like, and the top of the sedimentation chamber 701 is connected with the circulating air supply device 4 through the circulating air pipe 46, so that a circulating air path can be realized in the equipment, and the energy loss, the orderly falling back of the light materials in the sedimentation chamber 701 and the like are reduced; the second actuating mechanism 21 can drive the knock-out drum device 6, subside the device 7 and the light material is discharged and is carried device 8 and rotate from top to bottom together, be convenient for adjust the knock-out drum device 6, subside the angle, position etc. of device 7 and light material is discharged and is carried device 8, guarantee that the material is better the selection by winnowing separation, rotatable landing leg subassembly 85 is put down through the rotation and is supported, can guarantee on uneven ground atress even, adapt to different inclination's light material is discharged and is carried device 8 etc. when equipment is not working, second actuating mechanism 21 can also make knock-out drum device 6 etc. be in horizontal position, heavy material is discharged and is carried device 5 can fold, rotatable landing leg subassembly 85 can pack up through the rotation, be convenient for the removal of equipment, transport etc. of equipment, crawler-type frame 1 also is convenient for whole mobile device, and is convenient for operation, and is swift, compact structure, and is firm, small, thereby the winnowing precision of equipment is improved, high efficiency, service life etc., the security, stability and reliability are high, the cost is reduced, and the application and development of products are expanded.

The foregoing description of the embodiments of the present utility model is merely illustrative of the technical solutions of the present utility model and not limiting thereof, and it should be understood that modifications and substitutions can be made by those skilled in the art without departing from the inventive concept of the present utility model, and all such modifications and substitutions shall fall within the scope of the appended claims. In this case, all details may be replaced with equivalent elements, and the materials, shapes and sizes may be arbitrary.

Claims (10)

1. The movable winnowing machine is characterized by comprising a crawler frame (1), wherein a rack (2) is arranged on the crawler frame (1), a feeding conveying device (3), a circulating air supply device (4), a heavy material discharging conveying device (5), a second driving mechanism (21) and a separating drum device (6), a sedimentation device (7) and a light material discharging conveying device (8) which are sequentially connected are arranged on the rack (2), the discharging end of the feeding conveying device (3) and an air outlet (43) of the annular air supply device (4) are respectively corresponding to a first feeding port (601) of the separating drum device (6), the heavy material discharging conveying device (5) is corresponding to a heavy material outlet (602) of the separating drum device (6), the light material outlet (603) of the separating drum device (6) is communicated with a sedimentation chamber (701) of the sedimentation device (7), the top of the sedimentation chamber (701) is connected with the annular air supply device (4) through a circulating air pipe (46), the second driving mechanism (21) can drive the separating drum device (6) and the light material (8) to rotate together and enter the separating drum device (6) to perform separation and the separation device (8), and heavy materials in the materials fall from the heavy material outlet (602) to the heavy material discharging and conveying device (5) for output, light materials in the materials enter the sedimentation chamber (701) for sedimentation, and the light materials are sedimented on the light material discharging and conveying device (8) for output.

2. The mobile winnowing machine according to claim 1, wherein the feeding conveying device (3) comprises a first mounting frame (31), a receiving hopper (32), a first driving roller (33), a first driven roller (34), a third driving mechanism (35) and a first conveying belt (36) are arranged on the first mounting frame (31), first baffles (311) are respectively arranged on two sides of the first mounting frame (31), the first driving roller (33) is located at one end of the first mounting frame (31), the first driven roller (34) is located at the other end of the first mounting frame (31), the third driving mechanism (35) drives the first driving roller (33) to rotate, the first driving roller (33) and the first driven roller (34) are matched to drive the first conveying belt (36) to convey corresponding materials, the receiving hopper (32) is arranged on two first baffles (311), and the first guide plates (312) are respectively arranged at the inner sides of the two first baffles (311).

3. The mobile winnowing machine according to claim 1, characterized in that the circulating air supply device (4) comprises a first base (41) and a first fan (42) arranged on the first base (41), wherein the first fan (42) is provided with an air outlet nozzle (43) and a first air suction pipe (44), the first air suction pipe (44) is detachably connected with one end of a first hose (45), and the other end of the first hose (45) is detachably connected with one end of a circulating air pipe (46).

4. The mobile winnowing machine according to claim 1, wherein the gravity feed discharging and conveying device (5) comprises a second mounting frame (51), a second conveying belt (52) for conveying materials, a fourth driving mechanism (54), a fifth driving mechanism (55) and first supporting rollers (513), a first pressing roller (514) and two first driving rollers (53) which are matched with the second conveying belt (52) are arranged on the second mounting frame (51), the two first driving rollers (53) are respectively arranged at two ends of the second mounting frame (51), the fourth driving mechanism (54) drives at least one of the second mounting frame (51) to rotate, the second mounting frame (51) comprises a fixing part (511) and a folding part (512) which are matched with each other, the fixing part (511) is hinged with the folding part (512) through a hinge assembly (56), the fifth driving mechanism (55) can drive the folding part (512) to rotate for folding, the first supporting rollers (513) and the first pressing roller (514) are arranged at the same center as the first pressing roller (513) and the second pressing roller (514) which are arranged at the same center as the first supporting roller (513), the first pinch roller (514) can press and hold the upper conveying part of the second conveying belt (52) at a folding position, and the first supporting roller (513) can support the lower conveying part of the second conveying belt (52) at the folding position.

5. The mobile winnowing machine according to claim 4, wherein a first bracket (515) is provided on the second mounting frame (51), the first pinch roller (514) is mounted on the first bracket (515), and the first pinch roller (514) is a nylon pinch roller.

6. The mobile winnowing machine according to claim 1, characterized in that the bottom of the light material discharging and conveying device (8) is provided with a rotatable leg assembly (85), the rotatable leg assembly (85) comprises at least one first leg (851) and a first connecting seat (852), the first connecting seat (852) is mounted on a third mounting frame (81) of the light material discharging and conveying device (8), the first connecting seat (852) is hinged with the upper end of the first leg (851), and the first leg (851) can rotate relative to the first connecting seat (852) to enable the first leg (851) to be folded and laid down.

7. The mobile winnowing machine according to claim 6, characterized in that the rotatable leg assembly (85) further comprises a first locking member (853) and a second locking member (854), wherein the first locking member (853) is capable of locking the first connecting seat (852) with the first leg (851), the second locking member (854) is arranged at the lower end of the first leg (851), and the second locking member (854) is capable of being connected with the third mounting frame (81) after the first leg (851) is pivoted and retracted relative to the first connecting seat (852).

8. The mobile winnowing machine according to claim 7, characterized in that the first connecting seat (852) is hinged to the first supporting leg (851) through a second rotating shaft (855), a first arc chute (8521) is arranged on the first connecting seat (852), the first arc chute (8521) is coaxial with the second rotating shaft (855), a first guide pillar (8511) matched with the first arc chute (8521) is arranged on the first supporting leg (851), and the first guide pillar (8511) slides along the first arc chute (8521) along with the rotation of the first supporting leg (851) by taking the second rotating shaft (855) as a center.

9. Mobile winnowing machine according to any of claims 1-8, characterized in that the separating drum means (6) comprises a first casing (61), a deflector roll (62), a first driving mechanism (63) and a first rotating shaft (64), wherein a separating chamber (604) is arranged in the first casing (61), the deflector roll (62) is arranged in the separating chamber (604), the deflector roll (62) is arranged on the first rotating shaft (64), both ends of the first rotating shaft (64) are respectively hinged with the frame (2), the first driving mechanism (63) drives the first rotating shaft (64) to rotate, the deflector roll (62) can rotate together with the first rotating shaft (64), the first casing (61) is hinged with the first rotating shaft (64), the first feed opening (601), the heavy feed outlet (602) and the light feed outlet (603) are respectively arranged on the first casing (61) and are respectively arranged in the separating chamber (602) and the heavy feed outlet (602) is arranged in the bottom of the separating chamber (602) at the bottom (602) of the first casing (602), the stirring roller (62) is positioned between the first feed inlet (601) and the light material outlet (603).

10. The mobile winnowing machine according to claim 9, characterized in that the sedimentation device (7) comprises a second casing (71), the second casing (71) is connected with the first casing (61), the sedimentation chamber (701) is arranged in the second casing (71), the light material discharging and conveying device (8) is arranged at the bottom of the second casing (71), a fourth mounting frame (65) is arranged on the first casing (61), the second driving mechanism (21) drives the fourth mounting frame (65) to rotate so as to enable the separation drum device (6), the sedimentation device (7) and the light material discharging and conveying device (8) to rotate up and down, a first material guiding surface (702) which is inclined downwards is respectively arranged at two sides of the sedimentation chamber (701), a first air duct (703) and a first filter screen (704) matched with the first air duct (703) are arranged at the top of the sedimentation chamber (701), and the circulating air duct (46) is communicated with the first air duct (703).

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