A cotton field surface residual film recovery machine

Abstract

The application discloses a kind of sweep type pre-sowing cotton field surface residual film recovery machine, it is related to residual film recovery equipment technical field, including frame main body, frame main body is sequentially provided with residual film gathering device, soil breaker, film throwing device, conveying device, residual film screening device and film collection box from front to back, transmission device is also provided on frame main body;Residual film gathering device is gathered to soil breaker with film-soil mixture;Soil breaker is rotatably connected on frame main body, and soil breaker is used to crush the treatment of soil block;Film throwing device is used to convey film-soil mixture crushed by soil breaker to conveying device at rear;Conveying device is used to convey film-soil mixture to the entrance of residual film screening device;Residual film screening device includes screening conveying drum, residual film in screening conveying drum will be collected into film collection box;Transmission device is used to drive residual film gathering device, film throwing device, conveying device and residual film screening device to operate.The application can realize the recovery of surface residual film, and the device width is smaller, and power consumption is low.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of residual film recycling equipment, in particular to a sweeping type pre-sowing cotton field surface residual film recycling machine. BACKGROUND

[0002] As an important agronomic measure in agricultural production, mulching film covering technology realizes the double-effect of increasing farmers' income and agricultural efficiency due to its effects of increasing temperature and preserving soil moisture, preventing diseases and pests, and inhibiting weeds. However, due to the overuse and under-recycling of mulching film by farmers, the problem of residual film has become increasingly prominent, which has become an important reason affecting the sustainable development of agriculture.

[0003] Mechanized recycling of residual film has become an important means of recycling and utilizing residual film in China due to its high efficiency and low labor intensity. Residual film recycling equipment can be divided into three types according to the recycling period: seedling stage residual film recycling machine, pre-cultivation residual film recycling machine, and pre-sowing residual film recycling machine. Due to the limitation of the pick-up rate of the pre-cultivation residual film recycling machine, a large amount of residual film remains in the cotton field. After cultivation, the residual film is irregularly buried in the surface of the cotton field. Recycling the fine residual film on the surface before sowing can avoid the difficulty of recycling the residual film as the cultivation depth increases with the years. It is of great significance to promote the mechanized recycling of residual film.

[0004] Currently, the research on residual film recycling in China focuses on pre-cultivation residual film recycling. The pre-sowing residual film recycling system is not perfect, and is affected by human factors (such as rotary tillage) and natural factors (such as light, temperature, water, and air in the cotton field). The mechanical properties of the residual film on the surface of the cotton field before sowing are poor and the fragments are serious. The residual film is difficult to pick up from the ground. In view of this situation, how to reliably pick up and recycle the fragmented residual film on the surface of the cotton field before sowing in the spring is very important.

[0005] Currently, the pre-sowing residual film recycling machine is used to recycle the irregularly distributed fine residual film in the field. Most of them solve the problem of recycling fine film by setting a large working width. Although the pick-up rate is high, there are problems such as large size of the machine, high power consumption, etc.

[0006] Therefore, how to design a pre-sowing cotton field surface residual film recycling machine to reduce the power consumption of the whole machine while ensuring the residual film recycling rate has become a problem that needs to be solved by those skilled in the art. SUMMARY

[0007] The purpose of the present application is to provide a sweeping type pre-sowing cotton field surface residual film recycling machine to solve the problems existing in the prior art. The machine is provided with a residual film gathering device, which can gather the residual film into strips, thereby avoiding the problems of large width and high power consumption of the residual film recycling machine.

[0008] To achieve the above-mentioned purpose, the present application provides the following solutions:

[0009] The application discloses a kind of pre-sowing cotton field surface residual film recovery machines of cleaning, including frame main body, the frame main body is sequentially provided with residual film gathering device, soil breaker, film throwing device, conveying device, residual film screening device and film collection box from front to back, the lower end of the frame main body is equipped with a plurality of traveling wheels, transmission device is also provided on the frame main body;

[0010] The residual film gathering device is provided with two, two residual film gathering devices are respectively arranged on the both sides of the front end of the frame main body, and the residual film gathering device is used to gather the film-soil mixture to the soil breaker behind;

[0011] The soil breaker is rotatably connected to the frame main body, and the side wall of the soil breaker is provided with soil breaking teeth, and the soil breaker is used to break the soil block;

[0012] The film throwing device is used to convey the film-soil mixture crushed by the soil breaker to the conveying device behind;

[0013] The conveying device is used to convey the film-soil mixture to the inlet of the residual film screening device;

[0014] The residual film screening device includes a screening conveying drum, a plurality of screening holes are provided on the side wall of the screening conveying drum, the soil in the film-soil mixture can fall out of the screening hole, and the residual film in the screening conveying drum is collected into the film collection box;

[0015] The power input end of the transmission device is connected with the power output end of the traction equipment, and the transmission device is used to drive the residual film gathering device, the film throwing device, the conveying device and the residual film screening device to operate.

[0016] Preferably, the transmission device includes a first gear box, the input shaft of the first gear box is connected with the output shaft of the traction equipment, the output shafts on the two sides of the first gear box are respectively connected with a first power output shaft, and the end of the first power output shaft away from the first gear box is connected with a residual film gathering device.

[0017] Preferably, the residual film gathering device includes a gathering rotating main shaft, a driving bevel gear is provided on the first power output shaft, a driven bevel gear is provided on the upper end of the gathering rotating main shaft, the driving bevel gear and the driven bevel gear are engaged, the lower end of the gathering rotating main shaft is connected with an upper rotating plate, a plurality of film raking arms are provided in the circumferential direction of the upper rotating plate, a rigid brush and a plurality of elastic racks are fixed to each film raking arm, and the elastic racks are distributed on one side of the rigid brush.

[0018] The residual film gathering device further comprises a lower support plate fixed to the frame body, and an upper end of the lower support plate is provided with a sliding track in which the film gathering arm slides, and the sliding track comprises a straight line segment and an arc line segment.

[0019] Preferably, the transmission device further comprises a second power output shaft rotatably connected to the frame body, a first driving pulley is arranged on the first power output shaft, a first driven pulley is arranged on the second power output shaft, and the first driving pulley and the first driven pulley are drivingly connected by a first transmission belt.

[0020] A first driving sprocket is further arranged on the second power output shaft, and the first driving sprocket is used to be drivingly connected with the film throwing device.

[0021] Preferably, the film throwing device comprises a film throwing shaft rotatably connected to the frame body, and a plurality of film throwing blades are uniformly arranged on the outer wall of a film throwing roller arranged on the outer side of the film throwing shaft.

[0022] A first driven sprocket is arranged at one end of the film throwing shaft, and the first driving sprocket and the first driven sprocket are drivingly connected by a first chain.

[0023] Preferably, the conveying device comprises a driving rear axle and a driven front axle, a second driving sprocket is arranged at each end of the driving rear axle, a second driven sprocket is arranged at each end of the driven front axle, the second driving sprocket and the second driven sprocket are connected by a second chain, and a plurality of chain rods are fixedly arranged between the two second chains.

[0024] A second driving pulley is arranged on the second power output shaft, a second driven pulley is arranged on the driving rear axle, and the second driving pulley and the second driven pulley are drivingly connected by a second transmission belt.

[0025] Preferably, the transmission device further comprises a second gear box, an input end of the second gear box is drivingly connected with one end of the second power output shaft, and an output end of the second gear box is drivingly connected with the residual film screening device through a universal joint.

[0026] Preferably, the residual film screening device comprises two roller shafts rotatably arranged at two sides of the screening conveying drum, one of the roller shafts is connected with the universal joint and provided with a third driving sprocket, the other roller shaft is provided with a third driven sprocket, and the third driving sprocket and the third driven sprocket are drivingly connected by a third chain.

[0027] Each of the roller shafts is connected with a front supporting roller, the front supporting roller is rotationally connected to the frame body, two front supporting rollers are respectively located at two sides of the front end of the screening conveying drum, one rear supporting roller is respectively arranged at two sides of the rear end of the screening conveying drum, and the outer sides of the front supporting rollers and the rear supporting roller are respectively provided with a supporting roller assembly, and the supporting roller assembly is in abutment with the outer wall of the screening conveying drum.

[0028] The inner wall of the screening conveying drum is provided with a spiral blade.

[0029] Preferably, the front and rear ends of the screening conveying drum are both provided with a port ring, the port ring is provided with a plurality of supporting roller tracks, and the supporting roller assembly is located in the supporting roller track.

[0030] Preferably, the side wall of the film collecting box is hingedly connected with a hinge rod and a hydraulic cylinder, and the other end of the hinge rod and the hydraulic cylinder is hingedly connected to the frame body.

[0031] The present application has the following technical effects relative to the prior art:

[0032] The cleaning type pre-sowing cotton field surface residual film recycling machine provided by the present application has novel and reasonable structure, and through the arrangement of the residual film gathering device, the soil crushing roller, the film throwing device, the residual film screening device and the film collecting box, the residual film recycling machine can realize the one-time operations of cleaning and collecting the residual film in the field, screening and cleaning the sundries and collecting and discharging the film by being towed by a tractor.

[0033] Specifically, in view of the characteristics that the residual film on the ground before sowing is irregularly distributed in the field and the size of the residual film is mainly distributed in the range of 5-25 cm, the residual film gathering device is arranged to rotate horizontally and change the spatial angle to gather and collect the residual film on the ground, so as to reduce the width size of the picking and cleaning part of the residual film recycling machine and reduce the energy consumption. 2 In combination with the characteristics that the soil before sowing is relatively loose, the self-rotating film throwing blade is arranged to throw the film-soil mixture to the residual film screening device, so as to solve the problem that the traditional screening type residual film recycling machine has good effect on recycling the residual film, but the lifting resistance of the residual film by the earth shovel is large, and a high-power machine tool is needed to tow. BRIEF DESCRIPTION OF DRAWINGS

[0034] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the accompanying drawings needed in the embodiments will be briefly introduced. Obviously, the accompanying drawings in the following description only are some embodiments of the present application, and for those skilled in the art, other drawings can be obtained based on these drawings without any creative effort.

[0035] Figure 1 Structure diagram of the cotton field surface residual film recycling machine of the embodiment of the present application;

[0036] Figure 2 Structure diagram of the cotton field surface residual film recycling machine of the embodiment of the present application;

[0037] Figure 3 Structure diagram of the residual film gathering device in the cotton field surface residual film recycling machine of the embodiment of the present application;

[0038] Figure 4 Local enlarged view of the residual film gathering device in the cotton field surface residual film recycling machine of the embodiment of the present application;

[0039] Figure 5 Structure diagram of the film throwing device in the cotton field surface residual film recycling machine of the embodiment of the present application;

[0040] Figure 6 Structure diagram of the conveying device in the cotton field surface residual film recycling machine of the embodiment of the present application;

[0041] Figure 7 Structure diagram of the residual film screening device in the cotton field surface residual film recycling machine of the embodiment of the present application;

[0042] In the drawings: 1 - walking wheel; 2 - second gear box; 3 - first driving sprocket; 4 - first driven sprocket; 5 - roller shaft; 6 - third driving sprocket; 7 - hydraulic cylinder; 8 - film collecting box; 9 - first power output shaft; 10 - first gear box; 11 - machine frame body; 12 - first driving pulley; 13 - first driven pulley; 14 - second power output shaft; 15 - third driven sprocket; 16 - gathering rotating main shaft; 17 - film raking arm; 18 - sliding rail; 19 - rigid brush; 20 - elastic rack; 21 - lower support plate; 22 - upper rotating plate; 23 - film throwing roller; 24 - film throwing shaft; 25 - film throwing blade; 26 - screening conveying drum; 27 - port ring; 28 - front supporting roller; 29 - rear supporting roller; 30 - supporting roller assembly; 31 - supporting roller track; 32 - spiral blade; 33 - soil breaking roller; 34 - chain rod; 35 - second driven sprocket; 36 - driven front shaft; 37 - second chain; 38 - second driving sprocket; 39 - driven rear shaft; 40 - second driving pulley; 41 - second driven pulley. Detailed Implementation

[0043] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0044] The purpose of this invention is to provide a sweeping type cotton field surface residual film recycling machine to solve the problems existing in the prior art. It is equipped with a residual film gathering device, which can gather the residual film into strips, thereby avoiding the problems of large width and high power consumption of the residual film recycling machine.

[0045] To make the above-mentioned objects, features and advantages of the present invention more apparent and understandable, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0046] like Figures 1-7 As shown, this embodiment provides a sweeping-type pre-planting cotton field surface residual film recovery machine, including a frame body 11. The frame body 11 has a common vehicle frame structure, and its function is to support various components. From front to back, the frame body 11 is provided with a residual film gathering device, a soil-crushing roller 33, a film-throwing device, a conveying device, a residual film screening device, and a film collection box 8. In this embodiment, the end closest to the traction equipment is the front end. The lower end of the frame body 11 is provided with several traveling wheels 1. The traveling wheels 1 can adopt existing common wheel structures. In order to better travel on the land, shock absorbers can also be installed between the frame body 11 and the traveling wheels 1 to reduce the vibration of the frame body 11. The frame body 11 is also provided with a transmission device.

[0047] There are two residual film gathering devices, which are respectively set on both sides of the front end of the frame body 11. The residual film gathering devices are used to gather the film-soil mixture into strips and then to the soil crushing roller 33 at the rear.

[0048] The two ends of the soil-crushing roller 33 are rotatably connected to the main frame 11 via bearing seats. The side walls of the soil-crushing roller 33 are equipped with soil-crushing teeth. The soil-crushing roller 33 itself has no other power input; it rotates by contact with the ground. During rotation, the soil-crushing roller 33 can be used to crush soil clods. This avoids the problem of increased impurity content in the residual film caused by excessively large soil clogging the gaps when the residual film screening device screens the film-soil mixture, further improving the overall screening performance of the device.

[0049] The film-throwing device is used to transport the film-soil mixture crushed by the soil-crushing roller 33 to the subsequent conveying device.

[0050] The conveying device is used for conveying the film-soil mixture to the inlet of the residual film screening device;

[0051] The residual film screening device comprises a screening conveying drum 26, a plurality of screening holes are arranged on the side wall of the screening conveying drum 26, and the soil in the film-soil mixture can fall out of the screening holes, and the residual film in the screening conveying drum 26 is collected into the film collecting box 8.

[0052] The power input end of the transmission device is connected with the power output end of the traction equipment, and the traction equipment can adopt an existing tractor, and the transmission device is used for driving the residual film gathering device, the film throwing device, the conveying device and the residual film screening device to operate.

[0053] In actual use, the traction equipment drags the sweeping pre-sowing cotton field surface residual film recycling machine into the working area, and advances with the traction equipment. The power component of the traction equipment transmits power to the transmission mechanism, drives the residual film gathering device to operate, and gathers the residual film into strips on both sides. Then, when the soil crushing roller 33 behind the residual film gathering device passes, the soil blocks with large volumes are crushed. The transmission device transmits power to the film throwing device, the film throwing device lifts the film-soil mixture collected on the slope and throws it to the conveying device behind, and then the conveying device conveys the film-soil mixture to the inlet end of the residual film screening device. When the transmission device transmits power to the residual film screening device, the screening conveying drum 26 rotates to separate the fine residual film and impurities, and the residual film is transported to the film collecting box 8.

[0054] In this embodiment, as shown in Figure 1 The input shaft of the first gear box 10 is connected with the output shaft of the traction equipment (i.e. the power output of the tractor, which is a prior art) through a shaft coupling. The output shafts on both sides of the first gear box 10 are respectively connected with a first power output shaft 9, and the end of the first power output shaft 9 away from the first gear box 10 is connected with a residual film gathering device, so as to realize the technical effect that the output end of the traction equipment drives the residual film gathering device to operate through the transmission device, and no additional power source is needed, thereby achieving the purpose of reducing energy consumption.

[0055] In this embodiment, as shown in Figures 3-4 The residual film gathering device comprises a gathering rotating main shaft 16, a driving bevel gear is arranged on the first power output shaft 9, a driven bevel gear is arranged on the upper end of the gathering rotating main shaft 16, and the driving bevel gear and the driven bevel gear are engaged, so as to realize the reverse transmission and convert the horizontal rotation into the vertical rotation. The lower end of the gathering rotating main shaft 16 is connected with an upper rotating plate 22, a plurality of film gathering arms 17 are arranged in the circumferential direction of the upper rotating plate 22, and the film gathering arms 17 are arranged in the form of a plurality of rows. Figure 4 As can be seen from the lower end of the upper rotating plate 22 is uniformly provided with a plurality of limiting plates, and each film gathering arm 17 passes through two limiting plates in sequence, so as to further improve the fixing effect of the film gathering arm 17.Figure 3 As shown, each film-removing arm 17 is fixed with a rigid brush 19 and a plurality of elastic racks 20, and each elastic rack 20 is distributed on one side of the rigid brush 19. When cleaning the film-soil mixture, the elastic rack 20 cleans the film-soil mixture first, and then the rigid brush 19 cleans (it can be understood that, along the rotation direction of the film-removing arm 17, the elastic rack 20 contacts the film-soil mixture earlier than the rigid brush 19), which has the advantage of avoiding the problem that the rigid brush 19 directly contacts the large-volume film-soil mixture and is easily deformed. Further, each film-removing arm 17 is provided with a plurality of brush connecting pieces, which can be a hoop or a ring connecting piece, etc., and the purpose is to fix the rigid brush 19 and the elastic rack 20. Those skilled in the art can select any existing connecting piece that can fix the rigid brush 19 according to the needs.

[0056] The residual film gathering device further comprises a lower support plate 21, and a sliding groove matched with the limiting plate can be additionally provided on the upper surface of the lower support plate 21, so that the limiting plate can slide in the sliding groove. The lower support plate 21 is fixed on the rack main body 11, and the upper end of the lower support plate 21 is provided with a closed-loop sliding rail 18, and the film-removing arm 17 is provided with a sliding rod, and the sliding rod on the film-removing arm 17 can slide in the sliding rail 18. The sliding rail 18 comprises a straight line segment and an arc line segment, and the reason for setting the straight line segment and the arc line segment is that, in the process of rotating the film-removing arm 17, the film-soil mixture on both sides will be swept to the middle of the two rack main bodies 11 by the rigid brush 19, and in this process, the sliding rod is in the straight line segment, and the rigid brush 19 is in contact with the ground and is in a curved state. When the two rigid brushes 19 sweep the film-soil mixture to the middle position, at this time, the sliding rod enters the arc line segment, and the sliding rod drives the film-removing arm 17 to move upward, so that the rigid brush 19 is not in contact with the ground, and will not further clean the film-soil mixture. The purpose of such design is to avoid sweeping the film-soil mixture that has been swept to the middle of the rack main body 11 to the two sides again.

[0057] In this way, by using the rotating cleaning and gathering work form of the rigid brush 19 and the elastic rack 20, the fine fragmented residual film in the moving area is effectively moved, so as to reduce the size of the soil breaking roller 33, the film throwing device, and the residual film screening device, and reduce the energy consumption.

[0058] In the embodiment, as shown in Figure 1As shown, the transmission device further comprises a second power output shaft 14, which is arranged in parallel with the first power output shaft 9 and above the first power output shaft 9. The two ends of the second power output shaft 14 are rotatably connected to the frame body 11 through bearing seats. The first power output shaft 9 is provided with a first driving pulley 12, and the second power output shaft 14 is provided with a first driven pulley 13. The first driving pulley 12 and the first driven pulley 13 are drivingly connected through a first transmission belt, which is a V-shaped belt. The purpose of such arrangement is that when the first power output shaft 9 rotates, the second power output shaft 14 can be driven to rotate through the first driving pulley 12, the first transmission belt and the first driven pulley 13.

[0059] The second power output shaft 14 is further provided with a first driving sprocket 3, which is used for driving connection with the film throwing device. When the second power output shaft 14 rotates, the film throwing device will be driven to operate.

[0060] In the embodiment, as shown in the figure, Figure 5 The film throwing device comprises a film throwing shaft 24, the two ends of which are rotatably connected to the frame body 11 through bearing seats. The film throwing shaft 24 is sleeved with a film throwing roller 23 on the outside, and the outer wall of the film throwing roller 23 is uniformly provided with a plurality of film throwing blades 25 in the circumferential direction,

[0061] One end of the film throwing shaft 24 is provided with a first driven sprocket 4, and the first driving sprocket 3 and the first driven sprocket 4 are drivingly connected through a first chain. When the second power output shaft 14 rotates, the film throwing shaft 24 will be driven to rotate through the first driving sprocket 3, the first chain and the first driven sprocket 4.

[0062] In this way, the film-soil mixture can be thrown to the front end of the conveying device by self-rotation, avoiding the problem of large resistance of the earth shovel of the shovel screen type residual film recycling machine in lifting and conveying the residual film into the soil, and increasing the power consumption.

[0063] In the embodiment, as shown in the figure, Figure 7 The conveying device comprises a driving rear shaft 39 and a driven front shaft 36, both of which are rotatably connected to the frame body 11 through bearings, and the driving rear shaft 39 is located above the driven front shaft 36. The two ends of the driving rear shaft 39 are respectively provided with a second driving sprocket 38, and the two ends of the driven front shaft 36 are respectively provided with a second driven sprocket 35. The two second driven sprockets 35 and the two second driving sprockets 38 are correspondingly arranged, and the second driving sprocket 38 and the corresponding second driven sprocket 35 are connected through a second chain 37. In addition, a plurality of chain rods 34 are fixedly arranged between the two second chains 37, and when the second chain 37 operates, the chain rod 34 is used to convey the film-soil mixture in front to the rear.

[0064] In order to drive the rear axle 39 to run, the second power output shaft 14 is provided with a second driving pulley 40, the rear axle 39 is provided with a second driven pulley 41, and the second driving pulley 40 and the second driven pulley 41 are connected by a second transmission belt.

[0065] In actual use, when the second power output shaft 14 rotates, the second driving pulley 40 and the second transmission belt will drive the second driven pulley 41 and the rear axle 39 to run, and then the rear axle 39 will drive the second chain 37 and the chain rod 34 to run, so as to transport the film soil mixture from the film throwing device to the rear residual film screening device.

[0066] In this embodiment, as shown in the figure, Figure 1 The transmission device further includes a second gear box 2, which is fixed to the rack body 11. The input end of the second gear box 2 is in transmission connection with one end of the second power output shaft 14, and the output end of the second gear box 2 is in transmission connection with the residual film screening device through a universal joint, so that the second gear box 2 can transmit power from the second power output shaft 14 to the residual film screening device.

[0067] In this embodiment, as shown in the figure, Figure 7 The residual film screening device includes two roller shafts 5, which are rotatably arranged on both sides of the screening conveying drum 26 through bearing seats. One of the roller shafts 5 is connected with the universal joint and provided with a third driving sprocket 6, and the other roller shaft 5 is provided with a third driven sprocket 15. The third driving sprocket 6 and the third driven sprocket 15 are connected by a third chain, that is, the roller shaft 5 connected with the universal joint drives the other roller shaft 5 to rotate through the third driving sprocket 6, the third chain and the third driven sprocket 15, and finally makes the two roller shafts 5 rotate synchronously and reversely.

[0068] Each roller shaft 5 is connected with a front idler 28, which is rotatably connected to the rack body 11 through a bearing seat. It is not difficult to imagine that the two front idlers 28 are located on both sides of the front end of the screening conveying drum 26. The rear end of the screening conveying drum 26 is provided with a rear idler 29, which is also rotatably arranged on the rack body 11 through a bearing seat. The front idler 28 and the rear idler 29 are not connected by any connecting device. The outer sides of the front idler 28 and the rear idler 29 are provided with a plurality of idler assemblies 30, which include two or more idlers and abut against the outer wall of the screening conveying drum 26. In addition, the screening conveying drum 26 is preferably inclined and higher in front and lower in back, so as to facilitate the separation of film and soil.

[0069] In addition, the inner wall of the screening conveying drum 26 is also provided with a spiral blade 32, which is used to transport the film-soil mixture in the screening conveying drum 26 to the rear more quickly.

[0070] In actual use, the power from the second gear box 2 is transmitted to the front carrier roller 28 and the upper carrier assembly 30 through the roller shaft 5 to rotate, thereby driving the screening conveying drum 26 to rotate. The rear carrier roller 29 and the carrier assembly 30 above it mainly play a supporting role for the screening conveying drum 26.

[0071] In this way, the screening conveying drum 26 can realize the separation of soil particles and other impurities and 5cm 2 The above size of residual film separation, thereby reducing the residual film impurity rate.

[0072] In this embodiment, the front and rear ends of the screening conveying drum 26 are sleeved with port rings 27, and the port rings 27 are provided with a plurality of carrier roller tracks 31. The number of the carrier roller tracks 31 is the same as that of the carrier rollers in the carrier assembly 30 and one-to-one corresponding, so that the carrier assembly 30 can be located in the carrier roller track 31 and abut against it.

[0073] In this embodiment, one end of the hinged rod and one end of the hydraulic cylinder 7 are hinged to the side wall of the film collecting box 8, and the other end of the hinged rod and the other end of the hydraulic cylinder 7 are hinged to the machine frame body 11.

[0074] In actual use, by controlling the extension and retraction of the hydraulic cylinder 7, the inclination angle of the film collecting box 8 can be adjusted, thereby completing the film collecting and film pouring work.

[0075] In addition, the film collecting box 8 is also provided with a plurality of soil discharge holes, so that the soil mistakenly entering the film collecting box 8 can fall out of the soil discharge holes, realizing the final film-soil separation.

[0076] In this embodiment, the front end of the machine frame body 11 is provided with a connecting frame, and the worker realizes the connection with the traction equipment through the connecting frame.

[0077] The embodiment also provides a working process of the cleaning type pre-sowing cotton field surface residual film recycling machine, which is specifically as follows:

[0078] In actual operation, the tractor-drawn cleaning pre-sowing cotton field surface residual film recycling machine works in the field, the tractor output shaft is connected with the first power output shaft 9 and the power is transmitted to the residual film gathering device, the film throwing device and the residual film screening device in turn. The power is transmitted to the residual film gathering device, the terminal rigid brush 19 is rotated and embedded in the surface soil, driving the shallow soil and residual film to move, when the rigid brush 19 rotates to the middle position of the rack main body 11, the slide rod will enter the arc segment, so that the rigid brush 19 is no longer in contact with the ground, so that the film-soil mixture is kept at the middle position of the rack main body 11, realizing the collection of residual film. The crushing roller crushes the larger soil blocks in the film-soil mixture after collection, the power is transmitted to the film throwing device, at this time, the film throwing blade 25 rotates at high speed, contacts with the film-soil mixture collected on the ground and throws to a certain vertical height and horizontal height, until reaching the front end of the conveying device, then the film-soil mixture is conveyed to the inlet end of the residual film screening device by the conveying device. The power is transmitted to the residual film screening device, the front idler 28 rotates to drive the screening conveying drum 26 to rotate, since the materials collected in the screening conveying drum 26 are composed of residual film and soil and other fine particles, and the soil particles are smaller in mass and particle size compared with the surface residual film, they will fall from the screening holes of the screening conveying drum 26, so as to realize the separation of residual film and impurities, and finally the residual film after impurity removal is sent into the film collecting box 8.

[0079] The principles and implementation manners of the present application are described by applying specific examples in the present application, and the above examples are only used to help understand the method of the present application and its core idea; meanwhile, for those skilled in the art, according to the idea of the present application, the specific implementation manners and application ranges will be changed. In summary, the content of the present application should not be understood as a limitation of the present application.

Claims

1. A cotton field surface residual film recovery machine before sowing with cleaning function, characterized in that: The rack body is provided with a residual film gathering device, a soil crushing roller, a film throwing device, a conveying device, a residual film screening device and a film collecting box from front to back, and the lower end of the rack body is provided with a plurality of walking wheels, and the rack body is further provided with a transmission device; The residual film gathering device is provided with two residual film gathering devices, which are respectively arranged on both sides of the front end of the rack body, and the residual film gathering device is used for gathering the film-soil mixture to the soil crushing roller behind; The soil crushing roller is rotatably connected to the rack body, and the side wall of the soil crushing roller is provided with soil crushing teeth, and the soil crushing roller is used for crushing the soil block; The film throwing device is used for conveying the film-soil mixture crushed by the soil crushing roller to the conveying device behind; The conveying device is used for conveying the film-soil mixture to the inlet of the residual film screening device; The residual film screening device includes a screening conveying drum, the side wall of the screening conveying drum is provided with a plurality of screening holes, the soil in the film-soil mixture can fall out of the screening holes, and the residual film in the screening conveying drum is collected into the film collecting box; The power input end of the transmission device is connected with the power output end of the traction equipment, and the transmission device is used for driving the residual film gathering device, the film throwing device, the conveying device and the residual film screening device to operate; The transmission device includes a first gear box, the input shaft of the first gear box is connected with the output shaft of the traction equipment, the output shafts on both sides of the first gear box are respectively connected with a first power output shaft, and the end of the first power output shaft away from the first gear box is connected with a residual film gathering device; The residual film gathering device includes a gathering rotating main shaft, the first power output shaft is provided with a driving bevel gear, the upper end of the gathering rotating main shaft is provided with a driven bevel gear, the driving bevel gear and the driven bevel gear are engaged, the lower end of the gathering rotating main shaft is connected with an upper rotating plate, the circumferential direction of the upper rotating plate is provided with a plurality of film gathering arms, each film gathering arm is fixed with a rigid brush and a plurality of elastic racks, and the elastic racks are distributed on one side of the rigid brush. The residual film gathering device further includes a lower support plate, the lower support plate is fixed on the rack body, the upper end of the lower support plate is provided with a sliding rail, the film gathering arm slides in the sliding rail, and the sliding rail includes a straight line segment and an arc line segment.

2. The pre-sowing cotton field surface residual film recycling machine of claim 1, characterized in that: The transmission device further includes a second power output shaft, the second power output shaft is rotatably connected to the rack body, the first power output shaft is provided with a first driving pulley, the second power output shaft is provided with a first driven pulley, and the first driving pulley and the first driven pulley are drivingly connected through a first transmission belt; The second power output shaft is further provided with a first driving sprocket, and the first driving sprocket is used for driving connection with the film throwing device.

3. The pre-sowing cotton field surface residual film recycling machine of claim 2, characterized in that: The film throwing device includes a film throwing shaft, the film throwing shaft is rotatably connected to the rack body, the outer side of the film throwing shaft is provided with a film throwing roller, and the outer wall of the film throwing roller is uniformly provided with a plurality of film throwing blades. One end of the film throwing shaft is provided with a first driven sprocket, the first driving sprocket and the first driven sprocket are connected through a first chain.

4. The pre-cotton planting field surface residual film recycling machine of claim 2, wherein: The conveying device comprises a driving rear axle and a driven front axle, two ends of the driving rear axle are respectively provided with a second driving sprocket, two ends of the driven front axle are respectively provided with a second driven sprocket, the second driving sprocket and the second driven sprocket are connected through a second chain, and a plurality of chain rods are fixedly arranged between the two second chains. The second power output shaft is provided with a second driving pulley, the driving rear axle is provided with a second driven pulley, and the second driving pulley and the second driven pulley are connected through a second transmission belt.

5. The pre-cotton planting field surface residual film recycling machine of claim 2, characterized in that: The transmission device further comprises a second gear box, an input end of the second gear box is in transmission connection with one end of the second power output shaft, and an output end of the second gear box is in transmission connection with the residual film screening device through a universal joint.

6. The pre-cotton planting field surface residual film recycling machine according to claim 5, characterized in that: The residual film screening device comprises two roller shafts, the two roller shafts are rotatably arranged on the two sides of the screening conveying drum, one of the roller shafts is connected with the universal joint and is provided with a third driving sprocket, the other roller shaft is provided with a third driven sprocket, and the third driving sprocket and the third driven sprocket are connected through a third chain. Each roller shaft is connected with a front carrier roller, the front carrier roller is rotatably connected to the rack main body, the two front carrier rollers are located on the two sides of the front end of the screening conveying drum, the rear end of the screening conveying drum is provided with a rear carrier roller, and the outer sides of the front carrier roller and the rear carrier roller are provided with carrier roller assemblies, and the carrier roller assemblies abut against the outer wall of the screening conveying drum. The inner wall of the screening conveying drum is provided with a spiral blade.

7. The pre-cotton planting field surface residual film recycling machine according to claim 6, characterized in that: The front and rear ends of the screening conveying drum are provided with port rings, the port rings are provided with a plurality of carrier roller tracks, and the carrier roller assemblies are located in the carrier roller tracks.

8. The pre-cotton planting field surface residual film recycling machine of claim 1, wherein: The side wall of the film collecting box is hinged with a hinge rod and a hydraulic cylinder, and the other end of the hinge rod and the hydraulic cylinder is hinged to the rack main body.

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