272results about "Crop conditioners" patented technology

The invention discloses a saline-alkali soil straw smashing, injecting and returning machine and a deep burying treatment method, and relates to the field of straw smashing. The field returning machine comprises a front fixing frame and a rear fixing frame, a feeding area is arranged at the lower end of the front fixing frame, a telescopic plate is arranged at the lower end of the rear fixing frame, a protective side plate is installed at the lower end of the telescopic plate, and a front plowing roller and a rear plowing roller are arranged in the protective side plate; a feeding roller is arranged in the feeding area, a crushing roller is arranged at the end, close to the rear fixing frame, of the feeding area, a smashing area for smashing straw in a centralized mode is arranged at the end, close to the rear fixing frame, of the feeding area, a feeding area and a collecting area are arranged at the end, close to the rear fixing frame, of the smashing area, and the collecting area is fixedly connected with the rear fixing frame. A discharging area for discharging straw powder into a field ridge is installed in the protective side plate. Straw is collected in a centralized mode to guarantee the smashing effect, conveying is conducted through wind power after smashing, straw is deeply injected, and the straw returning effect is guaranteed.

The straw recycling, transferring and storing equipment comprises a primary crushing box, two saw pressing rollers corresponding to material pressing rollers are arranged in the primary crushing box, and servo motors for driving the saw pressing rollers to rotate are arranged at the ends of the two saw pressing rollers correspondingly; the side, away from the servo motor, of the primary crushing box is fixedly connected with two reciprocating push rods moving in the opposite directions through a support, and the telescopic ends of the two reciprocating push rods are rotationally connected to the rotating ends of the two saw pressing rollers through connecting bearings correspondingly. The two servo motors work to drive the two saw pressing rollers to move in an engaged mode so that straw can be crushed, the two saw pressing rollers can be driven to move in a reciprocating mode in cooperation with the two reciprocating push rods in the reverse direction so that the straw not prone to breakage can be sawed off, and compared with the prior art, the straw crushing device is good in straw crushing effect and high in practicability. The efficiency is high, and blockage in the subsequent straw treatment process is effectively avoided.

A method for determining a zero roll gap condition in an agricultural machine, including: operating first and second roll-gap mechanisms to move a second conditioning roll towards a first conditioning roll until a position sensor indicates that a tensioner biasing the second roll towards the first roll has stopped moving; operating the first roll-gap mechanism in a gap-opening direction until the position sensor indicates that the tensioner moved; operating the first roll-gap mechanism in a gap-closing direction along a closing distance; operating the second roll-gap mechanism in the gap-opening direction until the position sensor indicates that the tension mechanism has moved; operating the second roll-gap mechanism in the gap-closing direction along a closing distance; and setting the current position of the tensioner, as measured by the position sensor, as a zero roll gap condition. An agricultural machine and a computer-readable medium for performing the method are also provided.

The invention discloses a straw rotary throwing, crushing, in-situ burning and returning all-in-one machine which comprises a power assembly, a stubble cleaning assembly, a ploughing and burying assembly, a frame, a burning assembly and a flue gas treatment assembly. The stubble cleaning assembly comprises a rotary driving roller and a stubble cleaning part, and the rotary driving roller drives the stubble cleaning part to throw straw from bottom to top in the advancing direction of the whole machine. The burning assembly comprises a semi-closed burning shell with a downward opening and at least one group of flame nozzles, and straws crushed and thrown by the stubble cleaning assembly pass through a flame area ejected by the flame nozzles; and the flue gas treatment assembly comprises a negative pressure fan for forming a negative pressure environment in the burning shell and a flue gas treatment unit. The stubble cleaning machine has the beneficial effects that stubbles left on the earth surface and straw scattered in a field are smashed in the stubble cleaning process, after multi-stage suspension burning, the burnt straw is buried into soil through the ploughing and burying assembly, and meanwhile flue gas in the treatment process is treated through the flue gas treatment assembly; the purpose of efficiently treating a large amount of surplus straw on the premise of not polluting the environment is achieved.

The invention relates to the technical field of cat litter processing, in particular to full-plant bacteriostatic cat litter automatic production equipment which comprises a supporting frame, a shell is fixedly mounted at the top of the supporting frame, and a rolling mechanism and a loosening and cleaning mechanism are sequentially mounted on the shell from left to right; a separating mechanism located on the right side of the shell and a screening mechanism located below the shell and the separating mechanism are installed on the supporting frame. According to the device, hemp stalks are crushed through the rolling mechanism, first separation of crushed stalk cores is completed, hemp fibers are loosened and cleaned through the loosening and cleaning mechanism, the hemp fibers are punctured and dispersed in the up-down direction and the front-back direction of the hemp fibers through the first rake and the second rake, the hemp fibers extruded together after rolling are scattered, and second separation is completed; and then the beating plate continuously flaps the fibrilia up and down, residual rod core fragments in the fibrilia are promoted to fall off and be separated, third-time separation is completed, and the rod core separation effect is improved through multiple-time separation treatment.

The invention relates to the technical field of agricultural equipment, in particular to a corn ear and stalk collecting, packaging and film winding all-in-one machine which comprises a frame, a material collecting module and a recycling module are arranged on the frame, the material collecting module comprises a harvesting table, a cab and a grain storage box, and a stalk chopper is installed on the lower portion of the harvesting table; a stalk chopper is arranged on one side of the grain storage box, a stalk crusher connected with the stalk chopper is arranged on one side of the grain storage box, the recycling module comprises a stalk storage box and a packaging machine, a first conveying belt connected with the stalk storage box is arranged at the feeding end of the packaging machine, and a film winding device is arranged at the discharging end of the packaging machine. Compared with a traditional stalk and spike harvesting device, through modular design, stalk cutting, spike and grain separation, straw smashing and packaging and film winding integrated operation is achieved, device switching and manual intervention are reduced, and the straw mildewing risk caused by human errors is reduced.

The invention relates to the technical field of straw smashing and returning, and discloses a rice-oil straw smashing and returning device for rice-oil rotation cropping saline-alkali soil improvement, which comprises a device main body, a traveling wheel is fixedly mounted at the bottom of the rear part of the device main body, a connecting rod is fixedly connected to the front side of the device main body, and a connecting port is formed in the outer end of the connecting rod. A pretreatment cavity and a cutting cavity are formed in the device body, the pretreatment cavity is located in the middle of the device body, the cutting cavity is located on the rear side of the pretreatment cavity, a communicating groove is formed in the top of the cutting cavity, and a motor is fixedly installed on one side of the device body. Two groups of differential pressure rollers are additionally arranged, so that long straws which are easy to wind blades are preliminarily torn and broken into short straws which are not easy to wind the blades, and subsequent blade crushing is facilitated; straw on the ground is shoveled through the poking rod, the rotation speed of the first driven wheel along with rotation of the first driving wheel is reversely reduced through the resistance for poking the straw to rotate, and the rubbing efficiency is improved.

An agricultural crop conditioner comprising: a frame; first and second conditioner rolls with the second conditioner roll being movable towards and away from the first conditioner roll to change a size of a gap between the rolls; a tensioner configured to generate closing force component to bias the second conditioner roll in the closing direction; a conditioner roll drive circuit; and a hydraulic actuator. The conditioner roll drive circuit has a hydraulic pump and motor to drive at least one of the conditioner rolls. The hydraulic actuator is configured to convert pressure from hydraulic fluid in the reverse supply line into an opening force to bias the second conditioner roll away from the first conditioner roll. The opening force is less than the closing force when the pump is operated in a forward direction, and greater than the closing force when the pump is operated in a reverse direction.

The utility model discloses a straw feed processing device, which comprises a straw crusher, a straw feed processing device and a straw feed processing device, the straw crusher comprises a crushing bin and a discharge port box, and the discharge port box is fixed at a discharge port at the lower end of the side edge of the crushing bin; the pushing assembly comprises a supporting plate, a reinforcing plate, a servo motor, a driving wheel, a rotating shaft, a driven wheel and a pushing rod, the upper end of the supporting plate is fixed to the side, close to the discharging port box, of the bottom end of the smashing bin, the reinforcing plate is fixed to the side edge of the supporting plate, the servo motor is fixed to the inner side of the supporting plate, and the middle of the side edge of the driving wheel is fixed to the output end of the servo motor; the upper end of the rotating shaft is rotationally connected to the lower end of the smashing bin, and the driven wheel is fixed to the lower end of the rotating shaft and meshed with the driving wheel. The problems that straw is discharged from a discharging port after being smashed, the straw is accumulated on the ground on the outer side of the discharging port, the smashed straw is accumulated along with prolonging of processing time, and discharging of the discharging port is affected are solved.

The invention relates to a mower (1) with a plurality of mowing elements positioned next to one another to form a mower bar (2), and with a roller conditioner (4) arranged behind the mower bar (2) as seen in the direction of flow of mown crop (3), which roller conditioner has an upper conditioning roller (5) and a lower conditioning roller (6), wherein a gap between the conditioning rollers (5, 6), through which the crop (3) is transported, is variable depending on a quantity of the crop (3), and wherein a device is provided for detecting or locating foreign bodies (12) in the mown crop (3).

The utility model discloses a smashing all-in-one machine used for straw, a driving motor is fixedly installed in the middle of the top end of a processing tank, an output shaft of the driving motor is fixedly connected with a rotating rod, and a supporting frame is fixedly installed in the middle of the interior of the processing tank. According to the straw smashing device, the upper cutting tool and the lower cutting tool are driven to rotate synchronously, straw entering the treatment tank is smashed, two times of cutting and smashing are conducted up and down, the smashing efficiency is improved, meanwhile, through cooperative use of a rolling motor and a transmission gear, two rolling rollers rotate synchronously, straw entering a rolling channel is rolled and clamped, and the straw smashing efficiency is improved. The straw is kept vertical and fixed when entering the treatment tank, the descending speed is slowed down, then the upper cutting tool can better cut the straw, cutting is more stable, the situation that the straw cannot be smoothly cut off by the upper cutting tool due to the fact that the straw falls rapidly or is loose is prevented, and the cutting efficiency is improved.

Convection interactions like exposure of seeds to hot ozonated air, hot humidified air, hot ozonated humidified air and optional ultrasound—obtain higher net reduction of germination viability (0-1 percent germination versus 70 percent obtained for a control) of seeds than that obtained via a seed illumination process alone that uses Medium Wavelength Infrared and an Indigo Region Illumination Distribution.

The invention discloses a corn straw treatment device and method, the corn straw treatment device comprises a treatment box, a water removal mechanism is arranged in the treatment box, the water removal mechanism comprises a first compression roller which is rotatably mounted in the treatment box and has a straw rolling effect, and the outer surface of the first compression roller is provided with a plurality of conical thorns for feeding; a first motor is fixedly mounted on the outer surface of the treatment box, an output shaft of the first motor is fixedly connected with a first pressing roller, a groove for draining water is formed in the outer surface of the first pressing roller, and a pneumatic assembly is arranged in the first pressing roller. According to the corn straw feeding device, effective feeding of corn straw is achieved, water in the straw can be preliminarily squeezed out in the rotating process, blocking chippings in the grooves are intermittently removed through the pressurized air injection effect, the water removal efficiency is remarkably improved, and then the straw with the water discharged can be smashed into fine particles more easily to be returned to the field.

The invention relates to the technical field of agricultural machinery, and discloses a rotating and throwing combined agricultural straw turning and burying machine which comprises a machine shell and a transfer case arranged on the machine shell, a material crushing shaft matched with the transfer case is installed on the inner side of the machine shell, and a plurality of moldboards distributed in a linear array mode are fixedly installed at the end, away from the material crushing shaft, of the inner wall of the machine shell. And two material crushing boxes are symmetrically and fixedly mounted at the positions, between the material crushing shaft and the moldboard, of the inner wall of the machine shell. According to the straw secondary fine smashing device, a multi-stage smashing structure of the smashing shafts and the double smashing boxes is adopted, the smashing shafts conduct primary smashing on straw and guide the straw to the smashing boxes through airflow, then the linkage assembly is driven by the smashing shafts to drive the multiple sets of smashing shafts and smashing blades to rotate synchronously, secondary fine smashing of the straw is achieved, and compared with traditional single-stage smashing equipment, the straw secondary fine smashing device has the advantages that the smashing efficiency is high; the problem of insufficient straw smashing is solved, the length of straw fibers is reduced, the contact area of the straw and soil is increased, a foundation is laid for subsequent decomposition and conversion into organic fertilizer, and the resource utilization efficiency of straw returning to the field is improved.

The utility model provides a straw crusher, which belongs to the technical field of crushers, and includes a frame, a crushing chamber and a support frame arranged on the frame, and a motor is installed on the upper end of the frame. In the utility model, mutually meshing driving gears arranged at both ends of the crushing rollers reverse the crushing rollers, so that the straw between the crushing rollers is subjected to a greater shear force so that it can be crushed better, and the scraper plate arranged cooperates with the crushing roller to continuously re-crush the insufficiently crushed straw staying on the screen plate while crushing, until the crushed straw can fall through the screen plate, further improving the screening effect, and the screen plate cooperates with the adjusting block below to continuously vibrate up and down, so that the straw above the screen plate is vibrated and separated, and part of the straw is prevented from clogging the holes on the screen, and the flow effect of the straw is improved during the vibration process so that qualified straw can be quickly discharged, thereby improving the discharge speed of the entire device.

The utility model belongs to the technical field of agricultural machinery, and discloses a straw smashing, rotary tillage, burying and returning machine which comprises a machine frame, a moving part is installed at the bottom of the machine frame, and a cutting part used for cutting straw, a smashing part used for smashing the straw, a mixing part used for mixing the straw, fertilizer and fungicide, a conveying part and a rotary tillage part are sequentially installed on the machine frame. A conveying channel for conveying straw along a preset path is formed among the cutting part, the crushing part, the mixing part and the conveying part, and the rotary tillage part is located at the discharging end of the conveying part. By arranging the cutting part, the crushing part, the mixing part, the conveying part and the rotary tillage part, when a person needs to perform rotary tillage on a field, the straw is cut through the cutting part, the straw is crushed through the crushing part, and the straw is conveyed to the conveying part through the conveying part; straw, fertilizer and fungicide are mixed through the mixing piece, the mixture is conveyed into the rotary tillage piece through the conveying piece and mixed with soil, the device can be higher in efficiency, the soil smashing effect is improved, and soil ploughing is more sufficient.

The utility model discloses a corn stalk crushing device, comprising a shell, the top of the shell is fixedly connected to a feed box, the front of the shell is fixedly installed with a first motor, the output end of the first motor is fixedly connected to a crushing roller, the outer surface of the crushing roller is fixedly installed with an extrusion crushing knife along the axial position, the outer surface of the crushing roller is fixedly installed with a cutting crushing knife along the axial position, the inner wall of the shell is fixedly connected with a support plate, one side of the support plate is fixedly connected with a first reset spring. The utility model uses an electric cylinder and a mounting frame to cooperate with a cutter to perform preliminary cutting of the stalks to prevent winding, a double crushing roller design improves crushing efficiency and effect, an auxiliary cone thorn and support plate design avoids crushing dead corners and ensures sufficient crushing, and two sets of baffles on the inner wall of the feed box are movably connected to the inner wall of the shell through a second reset spring to ensure uniform feeding.

The invention relates to the technical field of agricultural machinery, in particular to a wheat stubble multi-cropping sorghum millet no-tillage seeding and fertilizing machine tool, which comprises a front fork, a rear fork, a rear fork, a rear fork, a rear fork and a rear fork, and is characterized in that the front fork is fixedly arranged at the head end of a rack main body and is used for shoveling straw stubbles; the smashing device is arranged on the machine frame body and located on the upper side of a transverse plate of the machine frame body, and the tail end of the transverse plate inclines downwards; the conveying device is arranged on the rack main body, and the conveying device is connected with the front fork and the smashing device and used for conveying the straw stubbles shoveled by the front fork to the smashing device; the no-tillage direct seeding module is arranged on the rack main body, the seeding position of the no-tillage direct seeding module is located in the middle section of the rack main body, and the no-tillage direct seeding module is used for seeding and fertilizing. The front fork is arranged at the head end of the rack body to shovel straw stubbles, the straw stubbles are smashed and then thrown to the surface of cultivated land through the tail end of the rack body, enrichment of large-size straw fragments in areas near seeds in soil is reduced, the phenomenon that root systems of the seeds are difficult to anchor is prevented, and therefore the problems existing in the prior art are solved.

The utility model provides a straw agricultural film separation integrated system, which comprises a separation bin, a separation bin, an air outlet, a feeding port, a discharging port, a feeding port, a film separation bin, a film separation bin, a film separation bin, a film separation bin and a film separation bin, and is characterized in that the top end of the separation bin is provided with a feeding port and an air outlet; the crushing device is arranged at the feeding hole; the side wall, between the discharging port and the air outlet, of the separation bin is a material guiding wall, and the height of the material guiding wall is gradually increased in the direction facing the air outlet. A winnowing channel is formed between the material guide wall and the pulverizator, the pulverizator comprises an air blocking part which partially blocks the winnowing channel, and the section of the winnowing channel between the air blocking part and the material guide wall is narrowed, so that a secondary separation cavity is formed in the winnowing channel between the air blocking part and the air outlet. The device has the effect of improving the separation efficiency of agricultural films in straws.

A drive arrangement of a conditioning apparatus of a forage harvester having two conditioning rollers, with at least one of the conditioning rollers able to be driven at variable speed via an electrical drive train, includes an electric motor / generator for driving the conditioning roller. The electric motor / generator is able to be operated as a generator for braking the conditioning roller and to return the generated electrical energy into a drive system of the forage harvester.

The invention belongs to the technical field of corn straw, and particularly relates to a corn straw treatment device which comprises a dispersing barrel and a mixing barrel, a feeding opening is formed between the dispersing barrel and a conveying belt conveying device, a mounting barrel is rotatably mounted on the dispersing barrel, a plurality of scattering assemblies are mounted on the side face of the mounting barrel, and a through groove is formed in the lower end of the dispersing barrel; the side surface of the grinding table is provided with an inclined surface; the side surface of the dispersing barrel is provided with a driving motor; the lower end of the mixing barrel is obliquely arranged; the lower end of the mixing barrel is provided with a rotating motor; according to the device, blocky corn straw convenient to store can be scattered and mixed, the large corn straw which is not preliminarily dispersed is crushed through the grinding table which circularly moves up and down in the process of splitting the blocky corn straw, and the large corn straw can conveniently enter the mixing barrel to be subsequently dispersed.

A roller conditioner system comprises a frame, one or more sets of conditioner rollers, each set comprising an upper conditioner roller and a lower conditioner roller separated by a roll gap through which cut crop may pass when processed by the roller conditioner system and a controller to control separation of the roll gap. Each end of each upper conditioner roller engages with and is supported by a conditioner roller support, each conditioner roller support providing a bearing for rotation of the upper conditioner roller. Each conditioner roller support is connected to a first end of a tension member. To each end of each upper conditioner roller, the roller conditioner system further comprises a conditioner roller adjustment mechanism actuated by the controller to adjust the roll gap. Each conditioner roller adjustment mechanism comprises a framework secured to the frame of the roller conditioner system, an actuator secured to the framework of the conditioner roller adjustment mechanism, and a displaceable locating element connected at a first end to the actuator and adapted for movement with respect to the framework, the displaceable locating element supporting a first end of the tension member.

The invention discloses a straw crushing and returning device to the field, which belongs to the field of agricultural machinery, and includes a frame, a straw crushing body, a walking device, a ditching device and a soil covering and pressing device, wherein the main crushing roller is located at the upper right of the picking roller, the auxiliary crushing roller is located at the upper left of the main crushing roller, the first straw transfer roller is located between the picking roller, the main crushing roller and the auxiliary crushing roller, the second straw transfer roller is located at the left position of the auxiliary crushing roller above the main crushing roller, and the shell outlet is arranged at the lower right position of the main crushing roller. The beneficial effects of the invention are as follows: the auxiliary crushing roller is designed at the upper right corner of the main crushing roller, and part of the straw is transferred to the auxiliary crushing roller by two straw transfer rollers for deep crushing, which can extend the crushing time of the straw from the shell inlet to the shell outlet, thereby achieving full crushing of the straw, so that the straw formed at the shell outlet is finer and more uniform.

This invention relates to the field of no-till seeding devices, and more particularly to a general-purpose no-till seeding device for wheat and rapeseed, comprising: a frame, rollers, a double-disc stubble-breaking blade, a seeding mechanism, and a covering roller; a storage bin is provided on the frame; the rollers are rotatably connected to the frame; an installation block is fixedly connected to the frame; the double-disc stubble-breaking blade is rotatably connected to the installation block; a motor for driving the double-disc stubble-breaking blade is provided inside the installation block; a support rod is fixedly connected to the installation block; in this invention, soil is moved to the crushing roller on a vibrating screen by a suction air pump, crushed into small soil particles, and then screened. The small soil particles fall into the furrow through a transfer funnel and a covering pipe to complete the covering. Subsequently, the covering roller lightly presses the soil to complete no-till seeding. Covering the seeds with small soil particles prevents seed hypoxia and soil compaction, thus avoiding restrictions on seed growth and germination.

The utility model discloses a straw smashing device for livestock breeding, and relates to the technical field of straw smashing. A supporting assembly is arranged at one end of the machine body assembly, a first driving assembly is arranged at the top of the supporting assembly, a second driving assembly is arranged on the side face of the machine body assembly, a smashing assembly is arranged at one end of the second driving assembly, and a transmission assembly is arranged on the outer surface of the second driving assembly. Straw is pushed into the machine body assembly so that the smashing assembly rotating in the machine body assembly can preliminarily smash the straw, the straw is preliminarily smashed, meanwhile, the preliminarily-smashed straw enters the machine body assembly, the first driving assembly is started to drive the machine body assembly with the fixed output end to rotate, and then the straw is smashed. According to the straw smashing machine, straw in the machine body is smashed multiple times, smashing is more sufficient, meanwhile, splashing of the straw in the smashing process is avoided, and the straw smashing effect is better.

The present invention relates to a defibration machine for pineapple, sisal leaves and Musaceae crop stems (plantain, banana, guineo, etc.), which quickly and safely produces the natural fibre due to its structure which is equipped with a bridge and protective cover that ensures the safety of the operator. In addition, the invention is characterised by the greater speed of the machine that is generated by means of transmission via pulleys and belts, thereby obtaining 2000 rpm in a blade-carrying cylinder. This cylinder is a metal rotary cylinder made of carbon steel, provided with 12 angled stainless steel blades with blunt edge, fastened to the cylinder using stainless steel screws, which produces a finer defibration and prevents the corrosion caused by the fluid released from the leaf when defibrated. The field of application of the present invention is intended for the agroindustry sector, more specifically the defibration of sisal, pineapple leaves and Musaceae crops.

The utility model discloses a raw material screening device for sheep feed processing, which comprises a frame body, the top and the bottom of the frame body are fixedly connected with a first support and a second support respectively, and the periphery of the frame body is provided with empty grooves; the treatment assembly is arranged in the frame body, an outer wheel, a sieve plate, an inner wheel and a mixing barrel are arranged in the treatment assembly, and raw materials can be treated; the processing assembly comprises four positioning columns, a plurality of positioning columns and a plurality of positioning columns, wherein the four positioning columns are fixedly connected into the frame body; the four telescopic rods are rotationally connected with the four positioning columns correspondingly, and the telescopic ends of the four telescopic rods are fixedly connected with rotating joints correspondingly; and the outer wheel is arranged among the four telescopic rods, and the outer side of the outer wheel is rotationally connected with the four rotating joints. According to the utility model, the processing assembly is arranged, so that material mixing, crushing and screening can be synchronously carried out, the occupied space is reduced, and the efficiency is improved.

The utility model discloses a straw pulverizer, which relates to the technical field of pulverizing devices, and comprises a pulverizer main body, the pulverizer main body comprises a box body, one side surface of the box body is fixedly connected with a fixed frame, and the top end of the fixed frame is fixedly connected with a dust collection device. And the upper surface of the dust suction device is fixedly connected with a connecting pipe extending into the box body. The collecting bag is arranged on the outer wall of the discharging frame in a sleeving mode, so that straw is conveniently collected, the dust suction device is matched with the connecting pipe and the dust suction cover to adsorb dust and chippings generated when the straw is smashed, the chippings and the dust are prevented from floating, the possibility that a user inhales the dust is reduced, and after the chippings and the dust fall into the fixing frame, the dust and the chippings are prevented from falling into the fixing frame. And the dust is filtered and used through the filter screen, the filtered dust is recycled and utilized through the collecting box, and the residual straw slag which is not crushed and adsorbed can fall into the box body again through the open groove to be crushed, so that the waste of the straw is prevented.

The invention relates to the technical field of engineering machinery, and provides a straw decomposition agent mixture quantitative scattering device which comprises a material box and a hanging frame, the outer wall of the material box is fixedly connected to the hanging frame, a feeding opening is formed in the top of the material box, a baffle is rotationally connected to the edge of the feeding opening through a hinge, and an auger shell is fixedly connected to the top of the inner wall of the material box; an auger is arranged in the auger shell, one end of the auger vertically penetrates through the top wall of the material box to be connected with a rotating motor, the other end of the auger vertically penetrates through the bottom wall of the material box to be connected with a scattering disc, and a plurality of uniform mixing devices are arranged at the end, close to the scattering disc, of the auger in the material box; the end, away from the auger shell, of the material taking pipe penetrates through the side wall of the material box and extends to the position above the scattering disc, and a discharging opening is formed in the side wall of the top of the auger shell. The uniform mixing device is arranged, and a plurality of uniform mixing blades of the uniform mixing device are used for stirring a mixture, so that the uniform degree of the mixture is improved, and the use effect of the decomposition agent is improved.

The utility model relates to agricultural mechanical equipment for smashing and returning agricultural straw to a field, and belongs to the technical field of straw smashing and returning. Comprising a movable box body, a screening mechanism installed in the box body and used for screening out gravel in straw, a smashing mechanism installed in the box body and used for smashing the screened straw and a scattering mechanism installed in the box body and used for scattering the smashed clustered straw, and a discharging opening is formed in the bottom of one side of the box body; according to the straw smashing device, through driving of the telescopic mechanism, the screening mechanism can be driven to move, gravel in the straw is screened out before smashing, the gravel is not prone to entering the smashing mechanism to damage parts in the smashing mechanism, and the straw smashing device has the advantages that the smashing device is simple in structure, convenient to use and high in practicability. And the driving device can drive the scattering rod to rotate around the rotating rod in a reciprocating manner, so that clustered straws discharged from the discharging opening can be scattered, the straws can be uniformly dispersed into soil, and the device is convenient and practical.