2302results about "Grading" patented technology

Sorting biogenic material from a stream of heterogeneous materials is disclosed, including: detecting biogenic material within an input stream of heterogeneous material; sorting the biogenic material based at least in part on a desired biochar formulation; and tracking a composition of a sorted mixture of biogenic material.

The invention discloses a dynamic fluidized bed system and a dynamic fluidized separation method, belongs to the technical field of fluidized particle separation system measurement, and aims to solve the problem of poor detection precision of a mixed separation state of pulverized coal in a separation process in the prior art. In the dynamic fluidized bed system, a pressure acquisition unit acquires pressure signals at different positions of a bed layer in the vertical direction and transmits the pressure signals to a controller, the controller receives the pressure signals, calculates pressure difference signals, converts the pressure difference signals into density signals, and processes the density signals to generate a Hilbert map of particles in the bed layer; and judging whether the bed layer is in a mixed state or a separated state according to the Hilbert spectrum. The method can be used for dynamic fluidized separation of raw coal.

Systems, devices and methods for screening materials or industrial products, such as foundry coke, are disclosed herein. In some embodiments, representative systems and / or devices can include (i) a plurality of screening members each extending along a first axis, wherein the screening members are configured to make contact with a material to be screened, (ii) a plurality of elevating members extending along the first axis, wherein individual elevating member are coupled to a lower portion of corresponding individual screening members, and (iii) a cross support extending along a second axis angled relative to the first axis, wherein the cross support is coupled to a lower portion of at least some of the elevating members.

The utility model discloses a fruit picking and subpackaging device which comprises a vehicle body, a support, a guide assembly, a conveying belt, a lower fruit receiving basin, an upper fruit receiving basin and a sorting assembly, the guide assembly comprises a first telescopic cylinder and a second telescopic cylinder, and a picking mechanism and a storage mechanism are arranged at the output end of the second telescopic cylinder. A camera connected with the controller is arranged on the picking mechanism; a stirring mechanism is arranged in the upper fruit receiving basin, the sorting assembly comprises a sorting and receiving hopper assembly, the sorting and receiving hopper assembly comprises a plurality of receiving hoppers, and an electric door mechanism used for controlling fruit discharging is arranged at the discharging end of each receiving hopper; the camera, the picking mechanism and the storage mechanism which are connected with the controller are arranged, so that the picking angle of the fruit picking mechanism is convenient to observe and adjust in real time, and the falling accuracy of picked fruits is improved; a fruit receiving basin, a stirring mechanism, a sorting assembly and an electric door mechanism are arranged to assist the fruits in moving and facilitate rapid classification, packaging and placement.

The invention relates to the technical field of raw material sorting equipment, and discloses raw material sorting equipment and a sorting method for preserved fruit production. Through the isolation effect of the tiling isolation unit, the raw materials are input to the material conveying belt from the tiling conveying unit in a single-layer state, the raw materials conveyed on the material conveying belt in the single-layer state can be visually detected when the raw materials pass through the visual detection unit, and the selection and discharging unit can select and discharge the raw materials according to the detection result of the visual detection unit. And qualified raw materials and unqualified raw materials are separated, and the qualified raw materials are input into the size sorting mechanism for size sorting, so that effective detection of the visual detection unit can be effectively ensured through single-layer conveying of the raw materials, and the accuracy of selective conveying of the selective discharging unit is ensured under single-layer conveying. Qualified sorting and size sorting of raw materials can be effectively completed, and the sorting effectiveness and the sorting efficiency are effectively guaranteed.

According to the conical spiral bamboo shoot sorting device, bamboo shoots can fall down at a certain position between the two conical spiral barrels according to the sizes of the bamboo shoots in the process of moving from the large ends of the conical spiral barrels to the small ends of the conical spiral barrels under the action of the multiple rotating conical spiral barrels, bamboo shoot sorting is achieved, the automation degree is high, the production efficiency is high, and the production cost is low. And the cost is low. Comprising a plurality of conical spiral barrels with parallel axes, the large end of each conical spiral barrel is located at the front end, the small end of each conical spiral barrel is located at the rear end, bamboo shoot collecting boxes are arranged below the conical spiral barrels, and the bamboo shoot collecting boxes are arranged along the axes of the conical spiral barrels; the bamboo shoots close to the upper portion of the large end of each conical spiral barrel are driven by the rotating conical spiral barrel to gradually move towards the small end of the conical spiral barrel, the bamboo shoots with the large diameter fall into the bamboo shoot collecting box close to the small end of the conical spiral barrel, and the bamboo shoots with the small diameter fall into the bamboo shoot collecting box close to the large end of the conical spiral barrel.

The utility model discloses sorting equipment for processing various vegetables, which comprises a conveyor and a sorting frame, the conveyor is fixedly connected with the sorting frame through a guide plate, the top of the sorting frame is rotatably connected with a plurality of sorting rods with gradually increased intervals, the bottom of the sorting frame is provided with a buffer plate positioned below the sorting rods, and the buffer plate is connected with the conveyor through a guide plate. According to the sorting equipment for processing the various vegetables, when the vegetables fall on the buffer plate after being sorted, under the cooperation of the buffer assembly, the vegetables can be buffered and protected, then the vegetables downwards slide down along the buffer plate, and therefore the sorting equipment for processing the various vegetables is convenient to use. And therefore, the falling vegetables are buffered, the falling impact damage of the vegetables is reduced, the damage caused by direct falling of the vegetables is avoided, the vegetables are convenient to eat, and the eating quality of the vegetables is improved.

The invention provides wild jujube kernel sorting and shelling equipment, and belongs to the technical field of agricultural mechanical equipment. The invention discloses wild jujube kernel sorting and shelling equipment. The lower part of a spiral conveying device is sleeved and fixed in an upper opening of a side shield; a sorting device is fixedly arranged in the side shield, and a power transmission port is formed in the side face. The sorting device penetrates through the power transmission port through a belt and is connected with a first driving motor belt fixed on the equipment main body; a notch funnel is integrally and fixedly connected below the side shield; a shell breaking device erected on the equipment body is arranged below the notch funnel, and a screening device is fixedly arranged below the shell breaking device. The spina date seeds of different specifications are efficiently and rapidly sorted, the spina date seeds of large specifications are sorted in advance, the size specification of the spina date seeds to be subjected to shell breaking and kernel taking is more beneficial to follow-up shell breaking and kernel taking work, the probability that the spina date seeds are damaged in the shell breaking and kernel taking process of the spina date seeds of large specifications can be greatly reduced, and the working efficiency is improved. Economical and efficient production is realized.

The invention relates to the technical field of bicycle accessory cutting, in particular to a pipe cutting device for bicycle accessory machining, which is characterized in that a guide mechanism, a cutting mechanism and a screening mechanism are arranged on the upper side of a machining table; through cooperation of the material guiding mechanism and the cutting mechanism, the cut reinforcing pipe fitting can be supported, and arc-shaped end openings in the two ends of the reinforcing pipe fitting can be stably limited by simulating alignment clamping of the two ends of the reinforcing pipe fitting and the U-shaped frame; therefore, the reinforced pipe fitting of which the horizontal bending deformation exceeds the error allowable range can be automatically inspected and identified; through cooperation of the screening mechanism and the material guiding mechanism, not only can the reinforced pipe fittings with vertical inclined bending deformation exceeding an error allowable range be automatically and accurately inspected and screened out, but also the qualified reinforced pipe fittings can be automatically guided and stably discharged; therefore, subsequent accurate alignment and welding forming of the reinforcing pipe fitting and the U-shaped handlebar are guaranteed.

In one aspect there is provided a method of monitoring a screening device process efficiency of a screening device, the method comprising: receiving input data relating to operation of the screening device process; based on the input data, determining output data representing a set of performance metrics of the screening device process; based on the output data, determining a machine performance metric indicative of an efficiency of the screening device process; comparing the machine performance metric with machine performance reference data; initiating an adjustment process for adjusting an operation of the screening device based on the indication of the result.

The invention provides a stamping die waste discharging mechanism, and relates to the technical field of stamping auxiliary equipment, the waste discharging mechanism comprises a discharging slide way and two blowing assemblies, and the bottom wall of the discharging slide way is provided with a plurality of material distribution discharging ports; a material supporting plate assembly is arranged on the inner side of each material distributing and discharging opening; a set of material blocking roller components are arranged on the side portion of each material distributing and discharging opening, the bottom of the material discharging sliding way is provided with a plurality of material blocking roller driving components connected with the bottoms of the material blocking roller components, and the material blocking roller driving components can act on the bottoms of the material blocking roller components so that the material blocking roller components can alternately rotate forwards and backwards. A jacking connecting rod is arranged at the top of the air blowing assembly, and the jacking connecting rod can act on the air blowing assembly when being pressed so that the air blowing assembly can spray air flow to the material receiving area; when the die assembly is in a die assembly state and punches the workpiece, the die assembly can press the jacking connecting rod downwards.

The invention relates to the technical field of raw coal impurity removal, and particularly provides a raw coal impurity removal anti-blocking device. By arranging the feeding primary screening mechanism, coal powder is filtered out through a flow guide plate, and by arranging a first-stage material uniformizing device and a second-stage material uniformizing device, coal can be evenly dispersed, and the phenomenon that the device is blocked due to accumulation of the coal is prevented; the belt type iron removal mechanism is additionally arranged, metal impurities in raw coal are adsorbed through the magnetism of an electromagnet, and the discharging quality of coal is guaranteed; the grate type screening unit is additionally arranged, so that coal briquettes with small sizes can smoothly fall into a stock bin below through gaps between swing rods, and impurities such as stones with large sizes are temporarily intercepted on the swing rods and wait for follow-up rotary throwing treatment of the rotary roller claw type screening unit; and a rotating roller claw type screening unit is arranged, a first gear motor and a cam divider are used for providing power, a claw is intermittently driven to rotate, and large sundries can be thrown into a sundry recycling box.

The invention relates to the technical field of feeding devices, and discloses a raw material feeding device for food processing and a feeding method.The raw material feeding device comprises a surrounding plate, the outer surface of the surrounding plate is fixedly connected with a motor, the output end of the motor is fixedly connected with a rotating shaft, and the circumferential surface of the rotating shaft is in transmission connection with a conveying belt; a rotating column is rotationally connected to the inner wall of the surrounding plate, a base is fixedly connected to the bottom of the surrounding plate, and a collecting box is fixedly connected to the bottom of the surrounding plate; a cleaning and scraping mechanism is arranged on the inner wall of the surrounding plate, during transportation, the rotating column drives the first scraping plate to clean the conveying belt, residues are prevented from being left on the conveying belt during transportation, and therefore the service life of the conveying belt is prolonged, the production cost is reduced, the feeding speed of the equipment is increased, and the conveying belt is convenient to clean while cleaning is conducted. And the scraper I drives the scraper II to scrape the conveying belt again, so that the contact area of scraping is increased, the stable operation of the conveying belt is ensured, and the working efficiency of the conveying belt is improved.

The utility model belongs to the technical field of koji and grass separation, and discloses a koji and grass separation device which comprises a feeding mechanism, the output end of the feeding mechanism is connected with a lifting mechanism, the output end of the lifting mechanism is connected with a separation mechanism, a dust removal mechanism is installed beside the separation mechanism, and the output end of the separation mechanism is connected with a discharging mechanism. The output end of the discharging mechanism is connected with a yeast collecting frame; according to the device, automatic koji and grass separation is achieved, only feeding is carried out in places needing manual work, further, automatic equipment can be used for carrying out structure integration of feeding, koji and grass separation and grass treatment, manual assistance is not needed, automatic flow line production is facilitated, and efficiency is guaranteed.

The invention discloses a dry and wet dual-purpose screening device for soil, and belongs to the field of soil screening. A dry and wet dual-purpose soil screening device comprises a supporting frame and further comprises a rotary pushing coarse screening assembly fixed to one side of the supporting frame and a rotary pushing coarse screening assembly fixed to the other side of the supporting frame. Wherein the rotary pushing coarse screening assembly comprises a machine shell, a conveying auger is rotationally installed in the machine shell fixed to a supporting frame, the conveying auger comprises a large auger body and a small auger body, and the small auger body is arranged in a large auger body; the fine screening mechanism is fixed to the other side of the supporting frame, and the rotary pushing coarse screening assembly and the fine screening mechanism which are arranged on the supporting frame conduct integrated soil screening action; through cooperative work of the rotary pushing coarse screening assembly and the fine screening mechanism, screening of particles with different particle sizes is achieved, a conveying auger in the machine shell conducts primary screening, the fine screening mechanism conducts secondary screening through a screen, small stones are separated from qualified soil, the screening precision is improved, the output rate of available soil is increased, and the screening process is optimized; and the problem of screen mesh blockage is reduced.

The utility model discloses a button cell tuyere tablet press which comprises a tablet press body, a material box is fixed on one side of the tablet press body, a discharging plate is fixed in the material box, a sliding plate is arranged at the top end of the discharging plate in a sliding mode, and first sliding blocks are fixed at the two ends of the sliding plate. The button cells are taken out and placed on the discharging plate in the material box, then the adjusting assembly moves to drive the adjusting plate to move up and down, the adjusting plate drives the horizontal plate to move up and down, the distance between the horizontal plate and the discharging plate is adjusted, and meanwhile the pointer and the measuring scale are matched to measure the distance so that the distance can be consistent with the standard production size of the button cells. And then the driving assembly moves to drive the horizontal plate to move, the horizontal plate moves to push away the button batteries with large thicknesses, then the button batteries can be screened, the situation that the thickness of pressing pieces of the button batteries is large, and consequently the button batteries do not meet the production requirement is avoided, and the production quality of the button batteries is improved.

The utility model discloses a straw screening device which comprises an installation frame, a feeding port is formed in one side of the installation frame, a feeding roller is installed in the feeding port, a broken yeast separating screen is installed on the portion, on the lower side of the feeding roller, of the installation frame, a conveying channel is installed on the installation frame, and a straw screening mechanism is installed at the input end of the conveying channel. A straw screening roller is installed on the transition section of the conveying channel, a straw conveying roller is installed on the upper side of the conveying channel, an available straw outlet is further formed in the output end of the conveying channel, a waste outlet is formed in the position, at the bottom of the output end of the broken koji separating screen, of the mounting frame, and a power output mechanism is further installed on one side of the bottom of the mounting frame. And the power output mechanism is connected with the feeding roller, the broken yeast separating sieve, the straw screening mechanism, the straw screening roller and the straw conveying roller. According to the utility model, a mixture of broken yeast blocks and straw is mechanically screened, so that the effects of saving labor, improving the recovery rate of the yeast blocks and avoiding waste of raw materials are achieved, and the existing processing requirements are met.

The utility model discloses a material grading device which comprises a rack (100) and at least one pair of material screening roller sets (300). Wherein the material screening roller set (300) is arranged on the machine frame (100), the material screening roller set comprises a left rotating roller (310) and a right rotating roller (310), a gap (3a) is formed between the roller surfaces of the two rotating rollers (310), and the width of the gap (3a) changes in the trend of gradually expanding in one direction. The material grading device disclosed by the utility model is not only suitable for materials with regular shapes, but also suitable for materials with irregular shapes, can be used for grading according to sizes, can be used for better screening the materials with the irregular shapes and obtaining a more ideal screening effect compared with the existing screening disc type or other rolling shaft type grading devices and the like, and is simple in structure, convenient to operate and low in cost. The performance is stable.

The invention relates to the technical field of injection molding automatic feeding, in particular to an automatic nut feeding machine which comprises a sorting table, a vibration disc, a trough and an adsorption assembly. The vibration disc is fixedly installed in the middle area of the sorting table and used for containing nuts of different models. The vibration disc comprises an upper-layer vibration disc and a lower-layer vibration disc; a connecting assembly is arranged between the upper-layer vibration disc and the lower-layer vibration disc and used for detachably connecting the upper-layer vibration disc to the lower-layer vibration disc. A vibration compensation assembly is arranged on the upper-layer vibration disc and used for enhancing the vibration frequency of the upper-layer vibration disc, and the upper-layer vibration disc and the lower-layer vibration disc conduct vibration arrangement on nuts of different sizes. The adsorption assembly is arranged at the edge position of the sorting table and used for conveying the nuts of different models in the material groove. The material groove is fixedly installed in the middle area of the sorting table and used for containing the nuts arranged in a vibrating mode. The problem that the occupied space is large when different vibration discs work at the same time is solved.

The utility model belongs to the field of fruit production equipment, and particularly relates to a fruit sorting device which comprises a sorting machine body. The interior of the sorting machine body is rotationally connected with a rotating shaft; the top of the rotating shaft is fixedly connected with a rotating frame; the rotating frame is arranged at the position corresponding to the top of the sorting machine body. A plurality of placing grooves are formed in the rotating frame, and the placing grooves are regularly arranged in the rotating frame in a circumferential array manner; a plurality of discharging through holes are formed in the containing groove. By means of the structural design that fruits are placed in a containing groove, then a rotating shaft can drive a rotating frame to rotate, and discharging through holes and filtering through holes with different diameters sort the fruits, the function that the fruits are sorted more conveniently is achieved, and the problem that in the fruit sorting process, when the number of the fruits is large, the number of the fruits is large is effectively solved. The sorting speed of the fruits is low, so that the sorting of the fruits consumes manpower and material resources.

The utility model discloses a screening device for calcined petroleum coke, which belongs to the technical field of calcined petroleum coke and comprises a screening box, two partition plates are arranged in the screening box, three groups of screening net cylinders are arranged in the screening box, and the diameters of screening holes of the three groups of screening net cylinders are sequentially increased. A dust cleaning and collecting mechanism is arranged at the top of the screening box, and a constant-speed feeding mechanism is arranged in the middle of the screening box. In the process, the dust cleaning and collecting mechanism is arranged, and in the process, a negative pressure state is formed in a collecting tank through a negative pressure fan; and at the moment, dust in the screening box is adsorbed and collected into the collecting tank through the cleaning pipe and the vertical pipe, so that the dust generated in the screening process of the petroleum coke can be collected and treated, air pollution caused by dust floating is avoided, meanwhile, the collected dust can be recycled, and the screening effect on the petroleum coke is improved.

The invention discloses an agricultural product sorting system and method based on artificial intelligence, and relates to the technical field of agricultural product sorting, the agricultural product sorting system comprises a conveying mechanism and an intelligent detection mechanism, the intelligent detection mechanism is arranged above the front end of the conveying mechanism, the appearance of agricultural products is recognized through a machine vision technology, and the quality of the agricultural products is judged; a material guiding mechanism and a defective product removing mechanism; and the sorting mechanism is arranged at the tail end of the conveying mechanism and is used for receiving the good products conveyed by the conveying mechanism. The appearance of the agricultural products is detected and identified through the intelligent detection mechanism, after inferior-quality products in the agricultural products are identified, the inferior-quality products are pushed into the inferior-quality product guiding-out hopper through the inferior-quality product removing mechanism and fall into the inferior-quality product collecting box to be collected, the non-defective products enter the sorting mechanism, and the agricultural products are classified and collected according to the installation diameter sizes through the two sorting rods; subsequent classified sales is facilitated; the system does not need manual operation, automatic sorting is achieved in the whole process, and the sorting efficiency is greatly improved.

An integrated packaging chip pin detection device relates to a chip packaging and testing technology, and comprises an upper track and a lower track which are spaced along an inclined straight line and are fixedly arranged; the swing track is used for being connected between the upper track and the lower track and rotationally arranged, and the rotating axis of the swing track is located below the swing track and parallel to the width direction of the swing track; the pin detection frame is installed on the swing track and rotates along with the swing track, a pin passing groove is formed in the pin detection frame in a penetrating mode, and the pin detection frame is used for detecting whether the chip pin bending state is normal or abnormal; the driving mechanism is mounted below the swinging track and is used for driving the swinging track to rotate; the clamping assembly is arranged at the lower end of the upper rail and is in contact fit with the upper end of the swing rail. According to the device, abnormal bending detection of the chip pins is automatically realized, and defective chips which are detected to be abnormal are effectively screened out.

The invention discloses an automatic sorting device and method for picked Korla pears, the sorting device comprises a feeding conveying belt arranged at the inlet end of a double-roller type sorting mechanism, a material guiding and discharging part and a plurality of sorting parts are sequentially formed on the double-roller type sorting mechanism in the conveying direction of materials, the sorting parts are respectively provided with a discharging gap, and the discharging gaps are communicated with the feeding conveying belt. The widths of the discharging gaps are gradually increased in the material conveying direction, a sundry collecting kettle is arranged below the material guiding and discharging part, a detecting and taking mechanism is arranged above the material guiding and discharging part, and a side-by-side conveying mechanism is arranged below the sorting parts. The method is operated on the basis of the sorting device, sorting of the Korla pears is achieved, and fruits with poor quality are removed. According to the fruit sorting device, the purpose of automatic sorting is achieved, the operation intensity is reduced, the sorting efficiency is improved, fruits which are poor in quality and locally rotten and collided can be effectively removed, and the effects of fine selection and fine separation are achieved. The Korla pear sorting device is suitable for the technical field of Korla pear sorting.

The utility model relates to a steel ball screening device, which solves the problem of collision between adjacent steel balls during screening, and comprises a conveying assembly, a separation assembly and a screening assembly, the inlet end of the separation assembly is in butt joint with the flowing direction of the conveying assembly, the screening assembly is in butt joint with the outlet end of the separation assembly, the conveying assembly comprises a base and a chain plate, the chain plate is rotationally arranged on the base; the separation assembly comprises a guide plate, the guide plate is in lap joint with the base, and the inlet end of the guide plate is located in the circulation direction of the chain plate; the high-temperature steel balls move along with the rotation of the spiral wire, the steel balls are separated by the spiral wire on the spiral channel, the adjacent steel balls are separated by the spiral wire, the adjacent steel balls do not collide with each other, finally, the high-temperature steel balls fall down and are collected at the extension end of the flat roller, the collected qualified steel balls can be always kept within the set temperature, and the problem of collision between the adjacent steel balls during screening is solved.

The utility model discloses novel movable sugarcane impurity removal equipment, belongs to the technical field of sugarcane impurity removal equipment, and solves the problem that the height of a loading ladder of the existing movable sugarcane impurity removal equipment cannot be adjusted, so that the transportation is inconvenient. The machine comprises a feeding ladder, a cutting device, an impurity removing device and a movable frame assembly, and further comprises a material uniformizing and loading integrated ladder, the feeding ladder, the cutting device and the material uniformizing and loading integrated ladder are all integrally installed on the frame assembly, the impurity removing device is installed on the material uniformizing and loading integrated ladder, the middle of the material uniformizing and loading integrated ladder is hinged to the frame assembly, and the material uniformizing and loading integrated ladder is installed on the frame assembly. A first linear driving part is arranged at the end, away from the cutting device, of the uniformizing and loading integrated ladder, and the two ends of the first linear driving part are hinged to the frame assembly and the uniformizing and loading integrated ladder correspondingly. According to the movable sugarcane impurity removing equipment, the height of the loading ladder can be adjusted, the movable sugarcane impurity removing equipment can be suitable for loading of different vehicles and can be transferred in various road sections, and meanwhile the sugarcane refining effect can be changed according to needs.

The invention relates to the technical field of eucommia ulmoides male flowers, and discloses a harvesting device for harvesting eucommia ulmoides male flowers, which comprises a bottom plate, the top of the bottom plate is fixedly connected with an electric telescopic rod, the top of the electric telescopic rod is fixedly provided with a top plate, and the top plate is provided with a harvesting mechanism. The harvesting mechanism comprises a frame body, a fan, a main pipe, a branch pipe, a fan cover, a hinge plate, a convex block, an electric push rod, a movable block, a connecting block, a movable sleeve and a ventilation opening; the frame body is fixedly connected to the top of the top plate, the fan is fixedly installed on the frame body, and one end of the main pipe communicates with the output end of the fan. Through cooperative work of the fan, the main pipe, the branch pipe, the fan cover, the hinge plate, the protruding block and other components, airflow generated by the fan enters the fan cover through the main pipe and the branch pipe and blows open the hinge plate to act on branches, male flowers are separated from the branches, manual tree climbing picking is avoided, potential safety hazards are eliminated, and the harvesting efficiency is far higher than that of manual picking.

The utility model relates to the field of coal conveying systems, and discloses a novel simple debris removal device for coal conveying systems, including a support column, a connecting side plate fixedly connected to the top of the support column, a support plate fixedly connected to the inner side of the connecting side plate, a separation triangle fixedly connected to the bottom of the support plate, a screening V-shaped plate fixedly connected to the bottom of the support plate, a debris removal V-shaped plate fixedly connected to the right side of the screening V-shaped plate, a through opening provided at the bottom of the screening V-shaped plate and the bottom of the debris removal V-shaped plate, a screening port provided at the bottom of the screening V-shaped plate, and a rotating circular groove provided on the inner wall of the side of the screening port. In the utility model, by setting a separation triangle and a screening V-shaped plate, small stones are screened out through a screening door, and the small stones are discharged along the inclined surface of the debris removal V-shaped plate, thereby achieving the maximum efficiency of removing small stones in the belt conveyor and preventing the belt from being scratched without increasing the inspection and maintenance space of the coal conveying system.

The utility model discloses a plastic particle dust removal technology field, specifically a plastic particle dust removal device, comprising a body shell as a connecting base frame, a feed port is provided at the top of the body shell to communicate with a feed pipe, the feed pipe is connected to an external feeding end, a discharge port is provided at the bottom of the body shell to communicate with a discharge pipe, a particle guide component is connected to the body shell to guide the plastic particles and change the output direction thereof, so that the dust particles contained in the plastic particles are subjected to the action of centrifugal force and are deposited outwardly, a dust discharge component is arranged in the body shell to form a dust guide channel to discharge and collect dust, a washing deck 1 and a washing deck 2 are provided to cooperate to form a guide channel for transportation, when the gas entrains the plastic particles into the body shell, a sharp direction change occurs at the bending point, so that the dust particles contained in the plastic particles are subjected to the action of centrifugal force and are deposited outwardly, and the dust particles can be quickly separated from the plastic particles during the transportation process.

The utility model belongs to the field of tomato picking, and particularly relates to a fresh tomato picking, pedicle removing and sorting all-in-one machine which comprises a tomato grading vehicle, a tomato pedicle removing device and a picking manipulator, and the tomato pedicle removing device and the picking manipulator are arranged on the tomato grading vehicle. The tomato grading device comprises a collecting vehicle and a grading mechanism, the grading mechanism is arranged on the collecting vehicle, a buffer pipeline is arranged on the collecting vehicle, and one end of the buffer pipeline corresponds to the grading mechanism; the tomato pedicle removing device is arranged, the tomato pedicle removing device can be matched with a picking robot or a mechanical arm, picked tomatoes are conveyed into the tomato pedicle removing device, the tomatoes are picked, tomato pedicles are removed, and the tomato picking efficiency of the tomato pedicle removing device can be improved; according to the tomato pedicle removing method, the problem that the tomatoes are punctured by the tomato pedicles of the adjacent tomatoes is solved, the tomatoes are prevented from being damaged, the tomatoes can be prevented from being damaged to the maximum extent, the condition of the tomatoes is kept, and the quality guarantee period of the tomatoes is prolonged.