CN109772737B - Fruit weighing type multistage sorting table - Google Patents

Abstract

The invention belongs to the technical field of fruit sorting equipment, and relates to a fruit weighing type multistage sorting table; comprises a transmission part, a weighing platform, a fruit protecting shell, a sorting opening, a main rotating wheel, a main driving wheel, a sorting frame, a fruit scale, a bullet-lifting device, an infrared sensor, a fruit conveying vehicle and a control console; wherein main part frame comprises the letter sorting frame, letter sorting frame rear end is provided with drive portion, letter sorting frame rear end upper portion is equipped with the platform of weighing, install the fruit balance on the platform of weighing, the platform front end of weighing is provided with infrared inductor, infrared inductor installs in protecting the shell rear side, protect the shell to fix at letter sorting frame upside, it is equipped with the letter sorting mouth to protect the shell, the bullet ware sets up the offside at the letter sorting mouth, letter sorting frame front end is equipped with driving motor, pass the fruit car and install on the letter sorting frame and can remove, whole equipment main structure is reasonable, by the control panel control, can carry out the letter sorting of infinite series according to the weight size of fruit, realize that the full automatization of fruit letter sorting goes on, letter sorting fruit is accurate, production efficiency is high.

Description

Fruit weighing type multistage sorting table

Technical field:

the invention belongs to the technical field of fruit sorting equipment in agricultural planting occasions, relates to equipment for distinguishing fruits according to the weight and shape of the fruits, in particular to a fruit weighing type multi-stage sorting table which is used for sorting spherical or nearly spherical fruits such as apples and pears and the like, and realizes split charging of the fruits according to the shape and the size.

The background technology is as follows:

along with the development of society, the pursuit of people on high-quality life is continuously improved, and fruits discharged on a dining table are required to be consistent in size as much as possible in order to create beautiful and tidy atmosphere in the process of holding various banquet and activities; to achieve this goal, many purchasers have set high demands on fruit marketers, i.e., fruit sizes are consistent; meanwhile, many fruit sellers sell own products better and acquire more benefits, and the fruits are packaged according to the sizes; however, the existing fruit distinguishing method is carried out manually, so that the workload is high, the labor cost is high, and the benefits of sellers are seriously influenced.

In the prior art, chinese patent with publication number CN108262265a discloses an automatic fruit grading device, which comprises a fruit box, a filter plate, a main conveyor belt, a grading conveyor belt, a distinguishing device, a control main board, a roller conveyor belt, a bracket, universal wheels, a weight sensor, a control box, a power switch and a speed regulator, wherein the fruit box is positioned at the left side of the device, the right side of the fruit box is connected with the main conveyor belt, the filter plate is positioned at the right side of the fruit box, the circular holes of the filter arc are uniformly distributed on the filter plate, the main conveyor belt is positioned at the right side of the fruit box, the main conveyor belt consists of a conveyor belt, a conveyor shaft, a conveyor groove, a main conveyor belt protecting shell and a conveyor motor, the grading conveyor belt is positioned at the right side of the main conveyor belt, the weight sensor is positioned below the middle of the upper conveyor belt of the grading conveyor belt, the distinguishing device is positioned at the contact side of the grading conveyor belt and the roller conveyor belt, and the distinguishing device consists of an upper cover, a baffle, a connecting shaft and a small motor; the fruit classification device is simple in structure and operation, orderly fruit conveying cannot be guaranteed in the fruit conveying process, the fruit classification stage number is limited, and if the individual fruit variety is small, the congestion of classification openings and classification errors are easily caused; the Chinese patent application of publication No. CN104925300B discloses a fruit racking machine, including frame, storage rack, sorting unit, packing plant, the storage rack includes vibration dish, hopper, and the hopper is connected with sorting unit, sorting unit includes conveyer belt, a plurality of screening mechanism, and every screening mechanism includes the entry that falls, every entry that falls all communicates with packing plant. The fruit sorting machine is simple in structure, fruits are firstly poured into the storage rack, then fruits of the fruits are screened through the sorting device, fruits of different fruits are sorted and packaged, finally the fruits are packaged into boxes, automatic assembly line fruit split charging operation is completed, labor efficiency of farmers is greatly improved, orderly separation of the fruits is formed by means of vibration of the storage rack, collision among the fruits is easily caused in the process, the fruits are damaged, in addition, when the fruits pass through the screening mechanism, the falling inlet is opened by means of the sizes of the fruits, the small fruits which follow the fruits enter the packaging boxes of large fruits easily, and accurate distinguishing of the fruits cannot be achieved.

In summary, the existing manual sorting device has low efficiency and high cost for sorting fruits, the existing fruit sorting or split charging equipment cannot ensure the orderly conveying of the fruits, and although some parts solve the problem of orderly conveying of the fruits, the fruits are easy to damage, and in the sorting process of the fruits, the fruits are crowded in the conveying process due to the large quantity of the fruits, so that the fruits with different weights cannot be accurately sorted out; the prior art also has the advantages of single fruit sorting type, high transformation cost, few grading stages according to weight and limited market application prospect.

The invention comprises the following steps:

the invention aims to overcome the defects of the prior art, and aims to overcome the defects that the existing fruit split charging equipment has single fruit sorting type, low sorting level and difficulty in accurately distinguishing fruits with different sizes, and a fruit weighing type multi-stage sorting table is designed under the conditions that the equipment can be produced in batches and the equipment is easy to operate.

In order to achieve the aim, the main structure of the weighing type fruit multistage sorting table comprises a conveying belt box, a transmission part, a weighing table, a motor, a fruit protecting shell, a sorting opening, a main rotating wheel, a main driving wheel, a right rear leveling wheel, a conveying rail, a sorting frame, a fruit stabilizing frame, a left rear leveling wheel, a fruit balance, a fixing plate, a support rail rod, a support rail column, a bullet, an infrared sensor, a front leveling wheel, a fruit conveying vehicle, a control console and a transmission part shell; the main body frame of the fruit weighing type multistage sorting table consists of a sorting frame, a transmission part is arranged at the rear end of the sorting frame, a transmission part shell is arranged at the outer side of the transmission part, a transmission structure arranged in the transmission part is rotatably arranged at the upper side of the front end of the sorting frame, a main transmission wheel is fixedly arranged in the middle of the transmission structure of the transmission part, a right rear leveling wheel is arranged on the right side of the main transmission wheel, a left rear leveling wheel is arranged on the left side of the main transmission wheel, the right rear leveling wheel and the left rear leveling wheel are identical in structure, the diameter sizes of the right rear leveling wheel and the left rear leveling wheel are larger than the diameter size of the main transmission wheel, and the right rear leveling wheel, the left rear leveling wheel and the main transmission wheel coaxially rotate in the same direction; the upper side of the rear part of the sorting frame is fixedly connected with the lower end of a weighing table, the weighing table consists of two parts with symmetrical structures, the upper end of the weighing table is fixedly provided with two fruit stabilizing frames with the same structure, the front part of the fruit stabilizing frame is in a straight rod structure, and the rear part of the fruit stabilizing frame is in a bent rod structure which is bent downwards; the rear ends of the two fruit stabilizing frames are respectively adjacent to the right rear leveling wheel and the left rear leveling wheel, the gap between the rear ends of the two fruit stabilizing frames and the right rear leveling wheel and the left rear leveling wheel is smaller than 3 cm, and the bending radians of the rear ends of the two fruit stabilizing frames are respectively matched with the bending radians of the adjacent parts of the right rear leveling wheel and the left rear leveling wheel; the middle parts of the two fruit stabilizing frames are respectively provided with an electronic fruit scale, the front end and the rear end of the upper side of the fruit scale are in smooth curved surface structures, and the weighing part of the fruit scale can move up and down relative to the fruit stabilizing frames; the fruit scale adopting the existing small electronic scale structure is 0.1-0.5 cm higher than the fruit stabilizing frame; the lower end of the fruit stabilizing frame is fixedly connected with the upper end of the fixing plate, the lower end of the fixing plate is fixedly connected with the support rail rods, the number of the support rail rods is determined according to the whole length of the sorting frame, and the support rail rods are fixedly arranged at the upper end of the sorting frame; a supporting rail column is fixedly arranged on the upper side of the middle part of the supporting rail rod, a conveying rail is fixedly arranged at the upper end of the supporting rail column, and the conveying rail passes through a middle gap of the weighing platform; the middle part of the transmission rail is of a straight rod structure, the front end and the rear end of the transmission rail are of a bent rod-shaped structure which is bent downwards, the rear end of the transmission rail is adjacent to the main driving wheel, the gap between the rear end of the transmission rail and the main driving wheel is smaller than 3 cm, the bending radian of the rear end of the transmission rail is matched with the bending radian of the part adjacent to the main driving wheel, the front end of the transmission rail is adjacent to the main rotating wheel, the gap between the front end of the transmission rail and the main rotating wheel is smaller than 3 cm, and the bending radian of the front end of the transmission rail is matched with the bending radian of the part adjacent to the main rotating wheel; the main driving wheel is connected with a main rotating wheel arranged at the front end of the sorting frame through a driving chain, front leveling wheels are coaxially arranged on two sides of the main rotating wheel respectively, and the main rotating wheel is driven by a motor arranged at the front end of the sorting frame; the fruit conveying vehicle is arranged on a transmission chain connected with the main transmission wheel and the main rotation wheel in a threaded manner and can be connected with the main rotation wheel, the main transmission wheel and the conveying rail in a clamping groove mode, the fruit conveying vehicle is used for conveying fruits at the transmission part and moving along the conveying rail, and the transmission chain belt enters a conveying box arranged at the lower portion of the sorting table when moving to the lower end of the sorting table.

The fruit protection shells are respectively arranged on two sides of the upper part of the sorting table, the whole fruit protection shells are long-ladder-shaped, the elastic layers are arranged on the inner surfaces of the fruit protection shells in an adhering mode, the fruit protection shells can prevent fruits from falling and being damaged in the conveying process, infrared sensors are respectively arranged at the rear ends of the fruit protection shells which are bilaterally symmetrical, and the two infrared sensors are respectively positioned at the front side parts of the two fruit stabilizing frames and can sense the fruit conveying vehicles and position and mark the fruit conveying vehicles; sorting openings are formed in the two sides of the fruit protection shell at intervals, the sorting openings incline downwards from the inner end to the outer end, and an elastic layer is arranged on the upper surface of the sorting openings in an adhering mode; the sorting opening is positioned at one side of the conveying rail, the other side of the conveying rail is provided with bullet ejectors, the number of the bullet ejectors is twice that of the sorting opening, the bullet ejectors are respectively arranged at the upper ends of the support rail rods, the support rail rods are positioned at the rear ends of the front edges of the openings of the sorting opening or the rear ends of the rear edges of the openings of the sorting opening, after the bullet ejectors are electrified, the fruit conveying vehicles passing through the upper parts of the bullet ejectors can be overturned, so that the fruit conveying vehicles incline to one side of the sorting opening, and fruits on the fruit conveying vehicles roll out of the sorting opening by virtue of inertia; the motor and the bullet-lifting device are respectively connected with the control console, the fruit scale and the infrared sensor are respectively connected with the control console in an electric mode, the whole fruit weighing type multistage sorting table sorts fruits according to different weight ranges under the control of the control console, the sorting process is full-automatic, and the cost is low and the benefit is high.

The invention relates to a bullet-lifting device, which consists of a wall, a device seat, an electric push rod, a bullet-lifting plate, a connecting shaft, a supporting rod and a movable rod, wherein the bottom surface of the device seat is fixedly connected with the upper end surface of a support rail rod; the front end of the movable rod is rotationally connected with the lower end of the supporting rod, the upper end of the supporting rod is rotationally connected with the rear end of the spring plate, the spring plate with a long plate-shaped structure is lapped on the upper part of the electric push rod, the rear end of the electric push rod is rotationally connected with the inner end of the connecting shaft, and the outer end of the connecting shaft is rotationally connected with the upper side of the rear end of the wall.

Compared with the prior art, the designed fruit weighing type multistage sorting table has the advantages that the main structure is reasonable, the control principle is reliable, various fruits can be conveyed, infinite series sorting can be performed according to the weight of the fruits, and the sorting fruits are accurate; the whole sorting process can be performed fully automatically, and has the advantages of high production efficiency, low cost, convenient operation and good application environment.

Description of the drawings:

fig. 1 is a schematic structural diagram of a fruit weighing type multistage sorting table according to the present invention.

Fig. 2 is a schematic diagram of the rear end partial structure principle of the fruit weighing type multistage sorting table according to the invention.

Fig. 3 is a schematic diagram of the front-end partial structure of the fruit weighing type multistage sorting table according to the present invention.

Fig. 4 is a schematic structural diagram of a set position of an infrared sensor according to the present invention.

Fig. 5 is a schematic structural diagram of the ejector according to the present invention.

Fig. 6 is a schematic view of a part of the ejector according to the present invention.

Fig. 7 is a schematic diagram of the principle of the structure of the fruit conveying vehicle in the present invention.

Fig. 8 is a schematic diagram of the inverted structure principle of the fruit conveying vehicle.

Fig. 9 is a schematic structural view of a vehicle body according to the present invention.

Fig. 10 is a schematic structural diagram of a traction plate according to the present invention.

Fig. 11 is a schematic structural diagram of a vehicle stability frame according to the present invention.

Fig. 12 is a schematic structural diagram of a limiting plate according to the present invention.

Fig. 13 is a schematic structural diagram of a console according to the present invention.

Fig. 14 is a schematic structural diagram of a processor port according to the present invention.

Fig. 15 is a schematic structural diagram of a fully automatic weighing type fruit sorting device according to the present invention.

Fig. 16 is a schematic view of the internal frame structure of the ordered transfer table according to the present invention.

Fig. 17 is a schematic view of the band plate structure of the ordered conveying table according to the present invention.

Fig. 18 is a schematic view of the structural principle of the conveyor belt according to the present invention.

Fig. 19 is a schematic structural diagram of a fruit sorting control system according to the present invention.

The specific embodiment is as follows:

the invention is further illustrated by the following examples in conjunction with the accompanying drawings.

Example 1:

the main structure of the fruit weighing type multistage sorting table 1 related to the embodiment comprises a conveying belt box 2, a transmission part 3, a weighing table 4, a motor 5, a fruit protecting shell 6, a sorting opening 7, a main rotating wheel 8, a main driving wheel 9, a right rear leveling wheel 10, a conveying rail 11, a sorting frame 12, a fruit stabilizing frame 13, a left rear leveling wheel 14, a fruit scale 15, a fixing plate 16, a support rail rod 17, a support rail column 18, a bullet-lifting device 19, an infrared sensor 20, a front leveling wheel 21, a fruit conveying vehicle 22, a control table 23 and a transmission part shell 24; the main body frame of the fruit weighing type multi-stage sorting table 1 is composed of a sorting frame 12, a transmission part 3 is arranged at the rear end of the sorting frame 12, a transmission part shell 24 is arranged outside the transmission part 3, a transmission structure arranged inside the transmission part 3 is rotatably arranged at the upper side of the front end of the sorting frame 12, a main driving wheel 9 is fixedly arranged in the middle of the transmission structure of the transmission part 3, a right rear leveling wheel 10 is arranged on the right side of the main driving wheel 9, a left rear leveling wheel 14 is arranged on the left side of the main driving wheel 9, the right rear leveling wheel 10 and the left rear leveling wheel 14 have the same structure, the diameter sizes of the right rear leveling wheel 10 and the left rear leveling wheel 14 are larger than the diameter size of the main driving wheel 9, and the right rear leveling wheel 10, the left rear leveling wheel 14 and the main driving wheel 9 coaxially rotate in the same direction; the upper side of the rear part of the sorting frame 12 is fixedly connected with the lower end of the weighing platform 4, the weighing platform 4 consists of two parts with symmetrical structures, the upper end of the weighing platform 4 is fixedly provided with two fruit stabilizing frames 13 with the same structure, the front part of the fruit stabilizing frame 13 is in a straight rod structure, and the rear part of the fruit stabilizing frame is in a bent rod structure which is bent downwards; the rear ends of the two fruit stabilizing frames 13 are respectively adjacent to the right rear leveling wheel 10 and the left rear leveling wheel 14, the clearance between the rear ends of the two fruit stabilizing frames 13 and the right rear leveling wheel 10 and the left rear leveling wheel 14 is smaller than 3 cm, and the bending radians of the rear ends of the two fruit stabilizing frames 13 are respectively matched with the bending radians of the adjacent parts of the right rear leveling wheel 10 and the left rear leveling wheel 14; the middle parts of the two fruit stabilizing frames 13 are respectively provided with an electronic fruit scale 15, the front end and the rear end of the upper side of the fruit scale 15 are in smooth curved surface structures, and the weighing part of the fruit scale 15 can move up and down relative to the fruit stabilizing frames 13; the fruit scale 15 adopting the existing small electronic scale structure is 0.1-0.5 cm higher than the fruit stabilizing frame 13; the lower end of the fruit stabilizing frame 13 is fixedly connected with the upper end of the fixed plate 16, the lower end of the fixed plate 16 is fixedly connected with the support rail rods 17, the number of the support rail rods 17 is determined according to the whole length of the sorting frame 37, and the support rail rods 17 are fixedly arranged at the upper end of the sorting frame 12; a supporting rail column 18 is fixedly arranged on the upper side of the middle part of the supporting rail rod 17, a conveying rail 11 is fixedly arranged at the upper end of the supporting rail column 18, and the conveying rail 11 passes through a middle gap of the weighing platform 4; the middle part of the transmission rail 11 is in a straight rod structure, the front end and the rear end of the transmission rail 11 are in a bent rod-shaped structure which is bent downwards, the rear end of the transmission rail 11 is adjacent to the main driving wheel 9, the gap between the rear end of the transmission rail 11 and the main driving wheel 9 is smaller than 3 cm, the bending radian of the rear end of the transmission rail 11 is matched with the bending radian of the position adjacent to the main driving wheel 9, the front end of the transmission rail 11 is adjacent to the main rotating wheel 8, the gap between the front end of the transmission rail 11 and the main rotating wheel 8 is smaller than 3 cm, and the bending radian of the front end of the transmission rail 11 is matched with the bending radian of the position adjacent to the main rotating wheel 8; the main driving wheel 9 is connected with a main rotating wheel 8 arranged at the front end of the sorting frame 12 through a driving chain, front leveling wheels 21 are coaxially arranged on two sides of the main rotating wheel 8 respectively, and the main rotating wheel 8 is driven by a motor 5 arranged at the front end of the sorting frame 12; the fruit conveying trolley 22 is arranged on a transmission chain which is connected with the main transmission wheel 9 and the main rotation wheel 8 in a threaded manner, the fruit conveying trolley 22 can be connected with the main rotation wheel 8, the main transmission wheel 9 and the transmission rail 11 in a clamping groove mode, the fruit conveying trolley 22 is used for receiving fruits at the transmission part 3 and moving along the transmission rail 11, and the transmission chain drives the fruit conveying trolley 22 to move to the lower end of the fruit weighing type multistage sorting table 1, so that the fruit weighing type multistage sorting table 1 enters the belt box 2 arranged at the lower portion of the fruit weighing type multistage sorting table 1 to rotate in a reciprocating and circulating mode.

The fruit weighing type multistage sorting table 1 for fruits is characterized in that fruit protection shells 6 are respectively arranged on two sides of the upper portion of the fruit weighing type multistage sorting table 1, the whole fruit protection shells 6 are in a long ladder shape, elastic layers are arranged on the inner surfaces of the fruit protection shells 6 in an adhering mode, the fruit protection shells 6 can prevent fruits from falling and damaging in the conveying process, infrared sensors 20 are respectively arranged at the rear ends of the fruit protection shells 6 which are symmetrical left and right, the two infrared sensors 20 are respectively arranged at the front side positions of two fruit stabilizing frames 13, and the infrared sensors 20 can sense fruit conveying vehicles 22 and position and mark the fruit conveying vehicles 22; sorting openings 7 are formed in two sides of the fruit protection shell 6 at intervals, the sorting openings 7 incline downwards from the inner end to the outer end, and an elastic layer is arranged on the upper surface of the sorting openings 7 in an adhering mode; sorting port 7 is located one side of conveying rail 11, the opposite side of conveying rail 11 is provided with bullet-lifting devices 19, the number of bullet-lifting devices 19 is twice that of sorting port 7, bullet-lifting devices 19 are respectively arranged at the upper ends of support rail rods 17, support rail rods 17 are located at the rear ends of the front edges of the openings of sorting port 7 or the rear ends of the rear edges of the openings of sorting port 7, after the bullet-lifting devices 19 are electrified, fruit-conveying vehicles 22 passing through the upper parts of the bullet-lifting devices 19 can be pushed over, so that fruit-conveying vehicles 22 incline to one side of sorting port 7, and fruits on fruit-conveying vehicles 22 roll out of sorting port 7 by virtue of inertia; the motor 5 and the bullet ejector 19 are respectively and electrically connected with the control console 23, the fruit scale 15 and the infrared sensor 20 are respectively and electrically connected with the control console 23, the whole fruit weighing type multi-stage sorting table sorts fruits according to different weight ranges under the control of the control console 23, the sorting process is full-automatic, and the cost is low and the benefit is high.

The bullet ejector 19 according to the embodiment is formed by combining a wall 25, a device seat 26, an electric push rod 27, a bullet ejecting plate 28, a connecting shaft 29, a supporting rod 30 and a movable rod 31, wherein the bottom surface of the device seat 26 is fixedly connected with the upper end surface of a support rail rod 17, one side of the device seat 26 is fixedly provided with the wall 25 with a plate-shaped structure, the middle part of the upper end surface of the device seat 26 is fixedly provided with the electric push rod 27, the electric push rod 27 adopts a commercially available miniature pen-type electric push rod, the movable rod 31 is movably installed in a nested manner on the electric push rod 27, and the movable rod 31 can flexibly extend and retract in the electric push rod 27; the front end of the movable rod 31 is rotatably connected with the lower end of the supporting rod 30, the upper end of the supporting rod 30 is rotatably connected with the rear end of the spring plate 28, the spring plate 28 with a long plate-shaped structure is lapped on the upper part of the electric push rod 27, the rear end of the electric push rod 27 is rotatably connected with the inner end of the connecting shaft 29, and the outer end of the connecting shaft 29 is rotatably connected with the upper side of the rear end of the wall 25; when the bullet ejector 19 is electrified, the movable rod 31 extends out of the electric push rod 27, the movable rod 31 pushes the supporting rod 30 to move backwards and upwards simultaneously, the supporting rod 30 supports the bullet ejector 28, the bullet ejector 28 pushes up the fruit conveying vehicle 22 positioned on the upper portion of the bullet ejector 28, and after the bullet ejector 19 is powered off, the bullet ejector 28 falls back under the action of gravity, and the movable rod 31 is retracted into the electric push rod 27.

The embodiment relates to a fruit conveying vehicle 22 which is fixedly arranged on a transmission chain connecting a main transmission wheel 9 and a main rotating wheel 8 at equal intervals, wherein the fruit conveying vehicle 22 mainly comprises a vehicle body 32, a traction plate 33, a vehicle supporting plate 34, a guide plate groove 35, a limit post 36, a baffle 37, a front wall 38, a vehicle side wall 39, a vehicle flat plate 40, an axle hole 41, wheels 42, a rail groove 43, a belt fixing hole 44, a middle connecting plate 45, an upper connecting plate 46, a vehicle stabilizing hole 47, a limit plate 48, an upper supporting plate 49, a lower supporting plate 50, a vehicle stabilizing frame 51, a fixed frame hole 52, a cushion 53, a frame through hole 54, a vehicle body groove 55, an upper triangular prism 56 and a lower triangular prism 57; the vehicle body 32 is movably connected with the traction plate 33 in a clamping groove manner, two symmetrical wheels 42 are arranged in the middle of the vehicle body 32 with a symmetrical structure, the diameter of the outer side end circle of the wheels 42 with a truncated cone-shaped structure is larger than that of the inner side end circle, and the wheels 42 are made of elastic materials; the wheels 42 are rotatably arranged on the side wall 39 through rotating shafts, the upper half part of the side wall 39 is in a rectangular structure, the lower half part of the side wall 39 is in a trapezoid structure, 2-6 axle holes 41 are formed in the rear end of the trapezoid structure part of the side wall 39, the rotating shafts of the wheels 42 are rotatably fixed in the axle holes 41, the wheels 42 are fixed in the corresponding axle holes 41 according to the size of fruit types required to be conveyed by the fruit conveying vehicle 22, and the larger the shape of the fruit is, the closer the axle holes 41 fixed by the wheels 42 are to the rear end of the side wall 39; the outer side end of the rectangular structure part of the vehicle side wall 39 is fixedly provided with a vehicle flat plate 40, the bottom surface of the vehicle flat plate 40 is in a plane structure, the top surface of the vehicle flat plate 40 is in a plane or curved surface structure, the front end of the vehicle flat plate 40 is fixedly connected with the side end of the front wall 38, and the front wall 38 is in an irregular pentagon shape; the upper end of the front wall 38 is fixedly connected with the front end of the baffle 37, the baffle 37 is inclined upwards from back to front, the baffle 37 is or is arranged to be of a plate-shaped structure which is inclined upwards and protrudes forwards, and the baffle 37 can prevent the conveyed fruits from rolling off from the front end of the fruit conveying vehicle 22; the upper side of the baffle 37 is fixedly provided with a soft cushion 53 made of elastic material in an adhering manner, the soft cushion 53 covers the middle part of the upper end of the baffle 37, or the soft cushion 53 covers the whole upper end face of the baffle 37; the rear end of the baffle 37 is fixedly connected with the upper end of the supporting plate 34 with an irregular convex structure, two sides of the supporting plate 34 are respectively fixedly connected with the side wall 39, the narrow end of the supporting plate 34 faces downwards, the middle part of the front side surface of the supporting plate 34 is provided with a limit column 36 with a cylindrical structure at the upper half part, and the limit column 36 is of a semi-cylindrical structure; the stay 34, the baffle 37, the front wall 38 and the side wall 39 are combined to form the guide plate groove 35, and the upper end of the traction plate 33 is limited in the guide plate groove 35.

The upper end of the traction plate 33 related to this embodiment is provided with a limiting plate 48 with an irregular convex-shaped structure, the narrow end of the limiting plate 48 faces upwards, the front half parts of the two sides of the limiting plate 48 and the rear half parts of the two sides of the limiting plate 48 form an irregular step-shaped structure, the front half parts of the two sides of the limiting plate 48 are respectively provided with a step-shaped vehicle body groove 55, the width of the vehicle body groove 55 is equal to the thickness of the front wall 38, the vehicle body groove 55 plays a supporting role on the vehicle body 32, and the rear half parts of the limiting plate 48 are of a V-shaped structure with downward openings; the limit post 36 is clamped and embedded in the V-shaped structure of the limit plate 48, and the rear half part of the limit plate 48 is clamped and embedded in the guide plate groove 35, so that the clamping groove type connection between the vehicle body 32 and the traction plate 33 is realized; the front half part of the limiting plate 48 is fixedly connected with the upper connecting plate 46, the upper end of the rear side of the upper connecting plate 46 is provided with an upper triangular prism 56, the lower end of the rear side of the upper connecting plate 46 is provided with a lower triangular prism 57, the top angles of the upper triangular prism 56 are opposite to those of the lower triangular prism 57, the rear ends of the upper triangular prism 56 and the lower triangular prism 57 are respectively fixedly connected with the front wall of the limiting plate 48, the upper connecting plate 46 and the limiting plate 48 are combined to form a vehicle stabilizing hole 47 with a flat dumbbell structure, the middle part of the vehicle stabilizing hole 47 is provided with a frame through hole 54 with a square hole structure, the front transverse frame of the vehicle stabilizing frame 51 with an n-shaped structure passes through the vehicle stabilizing hole 47, two side frames of the vehicle stabilizing frame 51 are tightly attached to the middle part of the inner side end of the vehicle side wall 39, the rear ends of the two side frames of the vehicle stabilizing frame 51 are respectively fixedly connected with the fixed frame holes 52 of the rear end of the vehicle side wall 39, and the vehicle stabilizing frame 51 limits the vehicle body 32 to incline left and right in the empty slot range of the vehicle stabilizing frame 51, and the angle of the left and right tilting of the vehicle stabilizing frame 51 is not more than 80 degrees; the lower end of the upper connecting plate 60 is fixedly connected with the upper end of the middle connecting plate 45, the middle connecting plate 45 is of a triangle structure as a whole, the middle connecting plate 45 is inclined backwards, the front wall plate of the middle connecting plate 45 forms an obtuse angle with the upper connecting plate 61, and the lower end of the middle connecting plate 45 is fixedly connected with the rail groove 43; the rail groove 43 can be connected with the conveying rail 11 in a clamping groove mode, the width dimension of a notch of the rail groove 43 is equal to that of the conveying rail 11, a belt fixing hole 44 is formed in the side wall of the rail groove 43, and the fruit conveying vehicle 22 is fixed on a transmission chain connecting the main transmission wheel 9 and the main rotating wheel 8 through the belt fixing hole 59 by using screws; the upper end of rail groove 43 and the lower extreme fixed connection of lower back-up plate 50, the front end of lower back-up plate 50 and the rear end fixed connection of well even board 45, the upper end of lower back-up plate 50 and the lower extreme fixed connection of upper back-up plate 49, the front end of upper back-up plate 49 and the rear end fixed connection of well even board 69, upper back-up plate 49 can contact with car fagging 34, and upper back-up plate 49 plays the supporting role to car fagging 34.

The rail groove 43 of the fruit conveying vehicle 22 related to the embodiment is fixed on a transmission chain connecting the main transmission wheel 9 and the main rotating wheel 8 in a threaded manner, the fruit conveying vehicle 22 moves along with the transmission chain, when the fruit conveying vehicle 22 moves to the conveying rail 11, the rail groove 43 is connected with a bent rod-shaped structure part at the rear end of the conveying rail 11 in a clamping groove manner, the conveying rail 11 plays a supporting role on the fruit conveying vehicle 22, the upper end of the upper supporting plate 49 is propped against the lower end of the vehicle supporting plate 34, the two front walls 38 are respectively connected with the vehicle body grooves 55 at two sides of the limiting plate 48 in a clamping groove manner, the whole traction plate 33 plays a supporting and retaining role on the vehicle body 32, the bottom surfaces of the two vehicle flat plates 40 are respectively contacted with the upper end surfaces of bent rod-shaped structure parts at the rear ends of the two fruit stabilizing frames 13, and the fruit stabilizing frames 13 play a role in preventing the fallen fruit conveying vehicle 22 from tilting and keeping the fruit conveying vehicle 22 in a stable state; the fruit conveying vehicle 22 continuously moves forwards along the conveying rail 11 after the fruit is received by the transmission part 3, the fruit conveying vehicle 22 drives into the fruit balance 15 arranged on the fruit stabilizing frame 13 to weigh, the infrared sensor 20 carries out numbering and positioning on the weighed fruit conveying vehicle 22, and the fruit conveying vehicle 22 continuously moves forwards under the support of the conveying rail 11 after driving out of the fruit stabilizing frame 13.

After the fruit conveying vehicle 22 related to the embodiment leaves the fruit stabilizing frame 13, the fruit conveying vehicle 22 continuously moves forward to the bullet 19 at a specified position under the support of the conveying rail 11, the bullet 19 positioned at one side of the fruit conveying vehicle 22 is electrified, the bullet plate 28 bounces against the bottom surface of the flat plate 40 at one side of the fruit conveying vehicle 22, the vehicle body 32 inclines to the other side, the fruit conveying vehicle 51 follows the vehicle body to incline, the front transverse frame of the fruit conveying vehicle 51 respectively abuts against the side wall of the upper triangular prism 56 and the side wall of the lower triangular prism 57, the inclination degree of the fruit conveying vehicle 22 in an inclined state is limited in the rated range of the stabilizing hole 47, the fruit conveying vehicle 22 in an inclined state continuously moves forward to the rear end of the fruit weighing type multi-stage sorting table 1, the vehicle side wall 39 positioned at the inclined slope bottom end of the inclined vehicle body 32 is firstly contacted with the front flat wheel 21, the front end of the trapezoid structure part of the vehicle side wall 39 continuously moves forward along the curved surface of the front flat wheel 21, the vehicle body 32 gradually returns to the flat state from the inclined state, meanwhile, the front end of the conveying rail 43 is separated from the conveying rail 11, and then the groove 43 is connected with the main rotating wheel 8 in a clamping groove and the main rotating rail 8 rotates along the main chain 43; after the vehicle body 32 returns to the flat state, the vehicle side wall 39 is separated from the curved surface of the front flat wheel 21, and the lower end surfaces of the two vehicle flat plates 40 are respectively contacted with the two front flat wheels 21 and move along the front flat wheels 21; when the fruit conveying vehicle 22 is driven out of the rear rail groove 43 from the lower part of the main rotating wheel 8 and separated from the main rotating wheel 8, the fruit conveying vehicle 22 enters the belt box 2, the wheels 42 of the fruit conveying vehicle 22 are contacted with the inner bottom wall of the belt box 2, the fruit conveying vehicle 22 moves to the rear end of the fruit weighing type multi-stage sorting table 1 under the drive of the transmission chain, the rail groove 43 is connected with the main transmission wheel 9 in a clamping groove manner, the two vehicle flat plates 40 are respectively contacted with the right rear leveling wheel 10 and the left rear leveling wheel 14, and the fruit conveying vehicle 22 is driven out of the transmission part 3 along with the rotation of the main transmission wheel 9 to continuously bear fruits.

The console 23 according to the present embodiment includes a speed governor 58, a speed screen 59, a display screen 60, a speed regulation box 61, a start key 62, a motor start key 63, a motor close key 64, a keyboard 65, a mouse 66, and a processor; the processor is a commercially available microcomputer processor, the processor is fixedly arranged in a control console 23 shell, the processor is provided with a weight receiving end, a position receiving end, a bullet starting device receiving end, a keyboard interface end, a mouse interface end, a display screen interface end, a starting interface end, a motor closing receiving end, a motor starting receiving end, a rotating speed receiving end and more than 2 standby interface ends, and all the receiving ends and the interface ends are respectively connected with the processor in an electric mode; the upper end of the console 23 is provided with a display screen 60, the display screen 60 adopts the existing liquid crystal display screen, and the display screen 60 is electrically connected with the interface end of the display screen; the lower side of the display screen 60 is provided with a start key 62, the start key 62 is fixedly arranged on the shell of the console 23, the start key 62 adopts a commercially available conventional controller switch key, the start key 62 is electrically connected with a power supply, and the start key 62 is electrically connected with a start interface end so as to control the opening and closing of the console 23; a motor start key 63 is fixedly arranged on one side of the start key 62, the motor start key 63 is electrically connected with the motor 5 and controls the start of the motor 5, and the motor start key 63 is electrically connected with a motor start receiving end and transmits motor start information to the processor; a motor closing key 64 is fixedly arranged on one side of the motor starting key 63, the motor closing key 64 is electrically connected with the motor 5 and controls the stopping of the motor 5, and the motor closing key 64 is electrically connected with a motor closing receiving end and transmits motor closing information to the processor; one side of the motor closing key 64 is fixedly provided with a speed regulating box 61, the speed regulating box 61 is electrically connected with the motor 5, the speed regulating box 61 is provided with a speed regulating button 58, the speed regulating button 58 can regulate the rotating speed of the motor 5, the speed regulating box 61 is electrically connected with a rotating speed receiving end and transmits motor closing information to a processor, the speed regulating box 61 is provided with a rotating speed screen 59, the rotating speed screen 59 can display the rotating speed of the motor in real time, and the console 23 or more than two speed regulating boxes 61 can be arranged to control the rotating speeds of a plurality of motors; the middle part of the console 23 is provided with a keyboard 65 and a mouse 66, the keyboard 65 is electrically connected with the keyboard interface end, and the mouse 66 is electrically connected with the mouse interface end; the motor start key 63, the motor close key 64, the speed regulation box 61, the keyboard 65 and the mouse 66 all adopt the existing commercial components; the weight receiving end is electrically connected with the fruit scale 15, and the fruit scale 15 transmits the measured weight of the fruit to the processor; the position receiving end is electrically connected with the infrared sensor 20, the distance between the infrared sensor 20 and the fruit scale 15 is constant, when the infrared sensor 20 is shielded by the fruit conveying vehicle 22, a positioning signal is formed and transmitted to the processor, and fruits of the fruit conveying vehicle 22 on the fruit scale 15 are numbered and positioned; the receiving end of the bullet ejector is electrically connected with the bullet ejector 19, and the processor controls the starting of the bullet ejector 19; the standby interface end is used for connecting with other external devices such as a USB flash disk, a printer and the like.

Example 2

Applying the fruit weighing type multi-stage sorting table 1 described in the embodiment 1 to a full-automatic weighing type fruit sorting device, wherein the main body structure of the full-automatic weighing type fruit sorting device comprises the fruit weighing type multi-stage sorting table 1, a fruit conveying table 67 and an ordered conveying table 68; the fruit conveying table 67 adopts the existing full-automatic fruit conveying device or simple fruit dumping equipment, and a fruit conveying port of the fruit conveying table 67 is contacted with the rear end of the ordered conveying table 68, so that fruits can enter the ordered conveying table 68 from the fruit conveying table 67; the front end of the ordered conveying table 68 is fixedly matched and connected with the rear end of the fruit weighing type multi-stage sorting table 1, and the whole equipment is controlled by the control table 23, so that full automation of fruit sorting is realized.

The ordered transfer table 68 according to the present embodiment includes a transfer table case 69, an elastic case 70, a right transfer belt 71, a left transfer belt 72, a transfer frame 73, a middle support frame 74, a left drive wheel 75, a left belt wheel 76, a left drive shaft 77, a right drive shaft 78, a right belt wheel 79, a rear drive wheel 80, a right drive wheel 81, an upper support frame 82, a left transfer belt shaft 83, a right transfer belt shaft 84, a front drive wheel 85, a left belt plate 86, a lateral support frame 87, a belt limiting groove 88, a pulley 89, a right belt plate 90, and a belt rail 91; the left and right sides of the ordered conveying table 68 are provided with conveying table shells 69, the internal frame of the ordered conveying table 68 is composed of a conveying frame 73 with a cuboid frame structure, and the front end of the conveying frame 73 is fixedly connected with the rear end of the sorting frame 12; middle supporting frames 74 with the same structure are respectively arranged in the middle of two sides of the conveying frame 73, and upper supporting frames 82 with the same structure are respectively arranged at the upper ends of two sides of the conveying frame 73; the front end of the middle supporting frame 74 is fixedly connected with a supporting frame of a transmission structure of the transmission part 3, the transmission structure of the transmission part 3 is provided with a front transmission wheel 85, the front transmission wheel 85 is fixedly arranged at the left side of the left rear leveling wheel 14, and the right rear leveling wheel 10, the left rear leveling wheel 14, the main transmission wheel 9 and the front transmission wheel 85 coaxially rotate in the same direction; the front driving wheel 85 is connected with the rear driving wheel 80 in a chain type, the front driving wheel 85 drives the rear driving wheel 80 to rotate, and the rear driving wheel 80 is rotatably connected with the middle supporting frame 74 through a rotating shaft; the left side of the rear driving wheel 80 is provided with a left driving wheel 75, the right side of the rear driving wheel 80 is provided with a right driving wheel 81, the left driving wheel 75, the rear driving wheel 80 and the right driving wheel 81 coaxially rotate in the same direction, the left driving wheel 75 and the right driving wheel 81 are respectively positioned at two ends of the rotating shaft, and the diameter size of the left driving wheel 75 is smaller than that of the right driving wheel 81; the left driving wheel 75 is connected with the left belt wheel 76 in a chain manner, the left belt wheel 76 is rotationally fixed at the rear end of the left upper supporting frame 82 through a rear belt wheel rotating shaft, the right side surface of the left belt wheel 76 is fixedly connected with the left driving shaft 77, the left driving shaft 77 is coaxially arranged with the right driving shaft 78, the left driving shaft 77 is fixedly connected with the rear belt wheel rotating shaft, the right driving shaft 78 is rotationally connected with the rear belt wheel rotating shaft in a bearing manner, the right side surface of the right driving shaft 78 is fixedly connected with the right belt wheel 79, the right belt wheel 79 and the left belt wheel 76 coaxially rotate in the same direction and have the same diameter and size, and the rotation speed of the right belt wheel 79 is faster than that of the left belt wheel 76, and the right belt wheel 79 is connected with the right driving wheel 81 in a chain manner; the included angle between the left driving shaft 77 and the right driving shaft 78 is a flat angle, the left driving shaft 77 is connected with the left driving shaft 83 through the left conveying belt 72, the right driving shaft 78 is connected with the right driving shaft 84 through the right conveying belt 71, the left driving shaft 83 and the right driving shaft 84 are rotatably connected with the front belt pulley rotating shaft through bearings, and the front belt pulley rotating shaft is fixedly arranged at the front end of the upper supporting frame 82; the included angle between the left belt shaft 83 and the right belt shaft 84 is 120-160 degrees, and the included angle opening is upward; the middle of the right conveyer belt 71 and the left conveyer belt 72 are respectively provided with a strip-shaped structure of a belt rail 91, the outer side ends of the right conveyer belt 71 and the left conveyer belt 72 are provided with an elastic shell 70, and the upper surface of the elastic shell 70 is provided with elastic materials in an adhering manner so as to prevent fruits falling into the ordered conveying table 68 from being damaged; a right band plate 90 is arranged in the annular band of the right conveyor belt 71, a left band plate 86 is arranged in the annular band of the left conveyor belt 72, the left band plate 86 and the right band plate 90 are fixed between the two upper support frames 82 through a transverse support frame 87, a limit groove 88 of a cuboid frame structure is arranged between the left band plate 86 and the right band plate 90, and a band rail 91 is limited in the limit groove 88 to prevent the conveyor belt from being separated from the band plate; the front ends of the left band plate 86 and the right band plate 90 are respectively provided with a wide groove, four groups of pulleys 89 with the same structure are rotatably arranged in the wide grooves, and the four groups of pulleys 89 assist the conveyor belt to move; the included angle between the rear ends of the left band plate 86 and the right band plate 90 is a flat angle, the included angle between the front ends of the left band plate 86 and the right band plate 90 is opened upwards, the included angle between the front ends of the left band plate 86 and the right band plate 90 is equal to the included angle between the left band shaft 83 and the right band shaft 84, the included angle between the left band plate 86 and the right band plate 90 is linearly reduced from back to front, and the included angle between the right band plate 71 and the left band plate 72 is linearly reduced from back to front; the angular speeds of the coaxially rotating left drive wheel 75 and right drive wheel 81 are equal, since the diameter size of the left drive wheel 75 is smaller than the diameter size of the right drive wheel 81, the linear speed of the left drive wheel 75 is smaller than the linear speed of the right drive wheel 81, so that the speed of the left conveyor belt 72 is smaller than the speed of the right conveyor belt 71, when a plurality of fruits simultaneously enter the ordered conveying table 68, under the action of the tension of the conveyor belt and the gravity of the fruits, the fruits falling onto the right conveyor belt 71 move forward fastest and finally fall between the right conveyor belt 71 and the left conveyor belt 72, the speed of the fruits directly falling onto the right conveyor belt 71 and the left conveyor belt 72 move forward slower than the speed of the fruits falling onto the right conveyor belt 71, the fruits falling onto the left conveyor belt 72 move forward slowest and finally fall between the right conveyor belt 71 and the left conveyor belt 72, the fruits at different positions move forward along with the inclined conveyor belt under the action of the gravity and the tension force are continuously adjusted, and the fruits falling onto the ordered conveying table 68 are finally adjusted to the right conveyor belt 71 and the middle conveyor belt 72 in turn.

Example 3

The fruit sorting control system based on the control console 23 is matched with a full-automatic weighing type fruit sorting device, and the main structure of the fruit sorting control system is divided into an interval setting module, a weight acquisition module, a weight positioning module, a weight grading module, a weight processing module, a rotating speed acquisition module, a bullet-loading device control module and a report generation module according to functions; the system comprises a weight classifying module, a weight processing module, a section setting module, a weight classifying module, a weight processing module and a control module, wherein the section setting module is used for setting a multi-level weight section and a threshold range of each level weight section, the section setting module transmits set section parameters to the weight classifying module and the weight processing module, and the output end of the section setting module is respectively in electric information connection with the receiving end of the weight classifying module and the receiving end of the weight processing module; the weight grading module carries out combination numbering on the acquired weight signals and the marking signals, then compares the acquired weight values with interval parameters and gives interval grade numbers matched with the interval parameters, the receiving end of the weight grading module is respectively in information connection with the output end of the weight acquisition module and the output end of the weight positioning module, and the output end of the weight grading module is in information connection with the receiving end of the weight processing module; the weight acquisition module mainly comprises a fruit scale 15, and is used for acquiring the weight of the weighed fruit and transmitting the acquired weight to the weight grading module; the weight positioning module is mainly composed of an infrared sensor 20 and is used for positioning and marking the weighing fruits and transmitting marking signals to the weight grading module; the weight processing module is used for matching the fruit assigned with the serial number and the grade number with the bullet loader serial number positioned in the same interval grade number, calculating the fruit movement time assigned with the serial number and the grade number according to the motor rotation speed, transmitting the bullet loader serial number and the calculated movement time to the bullet loader control module, transmitting the fruit weight assigned with the movement time, the serial number and the grade number to the report generation module by the weight processing module, wherein the receiving end of the weight processing module is connected with the output end of the rotation speed acquisition module through the electric information, and the output end of the weight processing module is connected with the receiving end of the bullet loader control module and the receiving end of the report generation module through the electric information; the rotating speed acquisition module is used for acquiring the rotating speed of the motor 5 and transmitting the acquired rotating speed signal to the weight processing module; the bullet ejector control module is used for starting the bullet ejectors 19, and the bullet ejector control module starts the corresponding bullet ejectors 19 at fixed time according to the moving time and the number of the bullet ejectors which are processed and transmitted by the weight processing module; the report generation module is used for statistically sorting the data transmitted by the weight processing module and generating a statistical report.

The embodiment relates to a section setting module which comprises a progression setting unit, a threshold setting unit, a sorting opening association unit and a distance setting unit; the series setting unit is used for setting the series of the fruit sorting section and marking the series of the section as a first stage, a second stage and a third stage … … N stage, the series setting unit transmits the data information of the series of the section to the threshold setting unit, and the output end of the series setting unit is connected with the receiving end of the threshold setting unit through the data information; the threshold setting unit is used for setting a threshold range of each level interval, namely setting a fruit weight range contained in each level interval, transmitting the set data information to the sorting port association unit, and electrically connecting the output end of the threshold setting unit with the receiving end of the sorting port association unit; the distance setting unit is used for setting the distance value of each bullet ejector 19 in all sorting ports 7 from the fruit scale 15, transmitting the input distance information to the sorting port association unit, and the output end of the distance setting unit is electrically connected with the receiving end of the sorting port association unit; the sorting mouth association unit is used for associating the set interval series with the distance values of different sorting mouths 7 and the bullet ejectors 19 respectively, transmitting the associated information to the weight classification module and the weight processing module, and the output end of the sorting mouth association unit is connected with the receiving end of the weight classification module and the receiving end of the weight processing module respectively.

The weight grading module related to the embodiment comprises a weight and number matching unit and a section judging unit; the weight and number matching unit is used for receiving the fruit weight information acquired by the weight acquisition module and the number information of the weighing fruit by the weight positioning module, matching and correlating the weight information of the fruit with the number information, wherein the receiving end of the weight and number matching unit is respectively connected with the output end of the weight acquisition module and the output end of the weight positioning module in an information manner, the weight and number matching unit transmits the matching correlation information to the interval judging unit, and the output end of the weight and number matching unit is connected with the receiving end of the interval judging unit in an information manner; the section judging unit is used for comparing the weight of the fruit with the numerical range of the section series and judging the section series to which the weight of the fruit belongs, the section judging unit transmits judging information to the weight processing module, the output end of the section judging unit is in information connection with the weight processing module, and the receiving end of the section judging unit is in information connection with the output end of the sorting port association unit and receives the information transmitted by the sorting port association unit.

The weight processing module related to the embodiment comprises a sorting position determining unit and a time calculating unit; the sorting position determining unit is used for matching the fruit weight information of the determined number and the section grade number with the bullet starter 19 to determine the sorting position of the fruit, the receiving end of the sorting position determining unit is respectively connected with the output end of the section judging unit and the output end of the sorting port associating unit in an information manner, and the output end of the sorting position determining unit is connected with the receiving end of the time calculating unit in an information manner; the time calculation unit is used for receiving fruit sorting position information, fruit conveying speed information and sorting time calculation, sorting time is transmitted to the bullet starting device control module and the report generation module, the output end of the time calculation unit is respectively connected with the receiving end of the bullet starting device control module and the receiving end of the report generation module in an information manner, and the receiving end of the time calculation unit is connected with the output end of the rotating speed acquisition module in an information manner.

The specific operation steps of the fruit sorting control system based on the console 23 comprise interval setting, data acquisition and classification, data processing, bullet starting and report generation; the specific process steps are as follows:

(1) Interval setting: starting a section setting module, setting section series, marking the section series as first-stage, second-stage and third-stage … … N stages, setting the numerical range of each stage section, finally matching the section series with the sorting openings 7, marking a plurality of sorting openings 7 as one group, two groups and three groups of … … M group sorting openings, wherein the first-stage section corresponds to one group of sorting openings and sequentially corresponds to the N-stage section, the sorting openings 7 are provided with more than 2-4 bullet ejectors 19, and marking the bullet ejectors 19 of the M group of sorting openings 7 as M1 and M2 … … Mn; the distance between each bullet 19 and the fruit scale 15 is constant, the distance value between each bullet 19 and the fruit scale 15 is input, and the distance value between each bullet 19 and the fruit scale 15 with the number Mn is marked as Ln;

(2) Data acquisition and classification: the weight acquisition module acquires the weight of the fruit and transmits the weight of the fruit to the weight grading module, and the weight of the fruit is marked as T; the weight positioning module gives a serial number X to the fruit positioning mark of the weighing machine and transmits a serial number X signal to the weight grading module when the weight acquisition module acquires the weight of the fruit; the weight classification module combines the weight T of the fruit with the number X to form T/X, the weight classification module compares the weight T of the fruit with the numerical range of the interval series and judges which interval series the weight T belongs to, then the weight classification module gives the interval series number N of the fruit T/X, the interval series number N is marked as T/X/N, and finally the weight classification module transmits the data signal of the fruit T/X/N to the weight processing module;

(3) And (3) data processing: the rotating speed acquisition module acquires the speed v of fruit transmission and transmits a speed v signal to the weight processing module;

after the weight processing module receives the signals T/X/N transmitted by the weight grading module, the weight processing module compares the interval grade number N with the interval grade number N of the previous N groups of data;

if the interval level number N is different from the interval level number N of the previous N groups of data, the corresponding M groups of the bullet ejectors 19 of the sorting port 7 are randomly matched according to the interval level number N, a signal T/X/N is given with a bullet ejector number Mn, and the signal T/X/N/Mn is marked as T/X/N/Mn;

if the interval level number N is the same as or partially or completely the same as the interval level number N of the previous N groups of data, according to the task quantity of a plurality of the ejectors 19 of the M groups of sorting ports 7 matched with the interval level number N, matching the ejectors 19 with the number Mn and the number Mn with less task quantity with the signals T/X/N, and endowing the signals T/X/N with the number Mn of the ejectors and marking the signals as T/X/N/Mn;

after the fruits are endowed with T/X/N/Mn, the distance Ln that the fruits need to move is determined along with the distance Ln, a weight processing module calculates the moving time T of the fruits according to the distance Ln and the conveying speed v, the weight processing module endows the T with a signal T/X/N/Mn and marks the signal T/X/N/Mn/T, and the weight processing module transmits the signal T/X/N/Mn/T to a bullet starting device control module;

(4) Starting the bullet ejector: after the bullet extractor control module receives the signals T/X/N/Mn/T, the bullet extractor control module deducts the time for data acquisition and processing of the system from the moving time T to obtain a starting time point y, and when the time reaches the starting time point y, the bullet extractor control module starts the bullet extractor 19 with the number Mn, and fruits enter the M groups of sorting ports 7;

(5) Generating a report: the weight processing module transmits the signals T/X/N/Mn/T to the report generation module, the report generation module carries out arrangement statistics on the signals T/X/N/Mn/T, calculates the total number and the total quality of fruits in each interval series, and generates a statistical table, wherein the statistical table can be printed out through a printer.

Example 4

The method for sorting fruits by using the full-automatic weighing type fruit sorting device in the embodiment 1 comprises the following steps: the equipment presetting, fruit orderly conveying, fruit weighing and positioning, fruit sorting and fruit conveying vehicle 22 circularly operates, and the specific process steps are as follows:

(1) Presetting equipment: according to the type and size of the fruits, the connection position of the wheels 42 of the fruit conveying vehicle 22 and the vehicle side wall 39 is adjusted, and the larger the overall shape of the fruits is, the closer the selected vehicle shaft hole 41 is to the rear end of the vehicle side wall 39;

pressing the start key 62 to start the console 23, pressing the motor start key 63 to start the motor 5, rotating the speed adjusting knob 58 to adjust the rotation speed of the motor 5, and transmitting the rotation speed of the motor to the processor by the speed adjusting box 61; the motor 5 drives the fruit weighing type multi-stage sorting table 1, the transmission part 3 and the ordered conveying table 2 to operate, all the fruit conveying vehicles 22 sequentially drive into the fruit scale 15 of the weighing table 4 along with the transmission chain, the fruit scale 15 conveys the weight of all the fruit conveying vehicles 22 in an empty state into the control table 23, and the control table 23 performs peeling operation;

Setting the number of section stages of fruit sorting and the numerical range of each section through a control console 23, and respectively associating each section stage with the bullet ejector 19 at the sorting port 7;

(2) Fruit is conveyed in order: the transmission part 3 drives the ordered conveying table 68 to rotate, in the ordered conveying table 68, the speed of the left conveying belt 72 is lower than that of the right conveying belt 71, when a plurality of fruits enter the ordered conveying table 68 from the fruit conveying table 67 at the same time, under the action of the tension of the conveying belt and the gravity of the fruits, the fruits falling onto the right conveying belt 71 move forward fastest and finally fall between the right conveying belt 71 and the left conveying belt 72, the speed of the fruits falling onto the right conveying belt 71 and the left conveying belt 72 directly moves forward slower than that of the fruits falling onto the right conveying belt 71, the speed of the fruits falling onto the left conveying belt 72 move forward slowest and finally fall between the right conveying belt 71 and the left conveying belt 72, the fruits at different positions move forward along with the inclined conveying belt under the action of the gravity and the tension and are continuously adjusted, and finally the fruits falling onto the ordered conveying table 68 are adjusted to the fruit conveying vehicle 22 in sequence on the transmission part 3 in the middle of the right conveying belt 71 and the left conveying belt 72;

(3) Weighing and positioning the fruits: the fruit conveying vehicle 22 continuously moves forwards to the weighing platform 4 along the conveying rail 11 after the fruit is received by the transmission part 3, the fruit conveying vehicle 22 drives into the fruit scale 15 arranged on the fruit stabilizing frame 13 to weigh, the fruit scale 15 transmits the weight of the weighed fruit to the control platform 23, meanwhile, the infrared sensor 20 carries out positioning marking on the weighed fruit and transmits a marking signal to the control platform 23, and the control platform 23 numbers the weight of the fruit;

(4) Sorting fruits: the control console 23 compares the weight of the numbered fruits with a set interval value and divides the weight of the numbered fruits into matched interval series, then the control console 23 calculates the time for the fruits to move after the numbering, when the moving time is over, the control console 23 starts the spring 19 associated with the interval series of the weight of the fruits after the numbering, the spring plate 28 springs up the bottom surface of the flat plate 40 on one side of the fruit conveying vehicle 22 after the numbering, the vehicle body 32 inclines to the other side, the fruits after the numbering roll into the sorting opening 7, and the inclined fruit conveying vehicle 22 continues to move forwards;

(5) The fruit conveying vehicle 22 circularly operates: the inclined fruit conveying vehicle 22 enters the front leveling wheel 21, the vehicle body 32 gradually returns to the leveling state from the inclined state under the adjustment action of the front leveling wheel 21, the leveled fruit conveying vehicle 22 enters the conveying box 2 after exiting from the lower part of the front leveling wheel 21, the fruit conveying vehicle 22 enters the transmission part 3 along the conveying box 2, the fruit conveying vehicle 22 continuously receives fruits after being leveled by the right rear leveling wheel 10 and the left rear leveling wheel 14 and exiting from the transmission part 3 along the rotation of the main transmission wheel 9, and the whole operation process is efficient and quick, so that the labor cost is saved.

The embodiment is applied to the fruit or vegetable classified sorting occasion according to weight of circular appearance structure, can replace current manual sorting and simple sorting device, realizes the sorting partial shipment of full automatization electronic weighing formula, can improve work efficiency more than 80%, and the letter sorting accuracy can be adjusted at any time moreover, and minimum letter sorting standard threshold can be limited below 5 grams, can realize gram level threshold range letter sorting even.

Claims (2)

1. A fruit weighing type multistage letter sorting platform, its characterized in that: the main structure comprises a belt box, a transmission part, a weighing platform, a motor, a fruit protecting shell, a sorting opening, a main rotating wheel, a main driving wheel, a right rear leveling wheel, a conveying rail, a sorting frame, a fruit stabilizing frame, a left rear leveling wheel, a fruit scale, a fixed plate, a support rail rod, a support rail column, a bullet extractor, an infrared sensor, a front leveling wheel, a fruit conveying vehicle, a control console and a transmission part shell; the main body frame of the fruit weighing type multistage sorting table consists of a sorting frame, a transmission part is arranged at the rear end of the sorting frame, a transmission part shell is arranged at the outer side of the transmission part, a transmission structure arranged in the transmission part is rotatably arranged at the upper side of the front end of the sorting frame, a main transmission wheel is fixedly arranged in the middle of the transmission structure of the transmission part, a right rear leveling wheel is arranged on the right side of the main transmission wheel, a left rear leveling wheel is arranged on the left side of the main transmission wheel, the right rear leveling wheel and the left rear leveling wheel are identical in structure, the diameter sizes of the right rear leveling wheel and the left rear leveling wheel are larger than the diameter size of the main transmission wheel, and the right rear leveling wheel, the left rear leveling wheel and the main transmission wheel coaxially rotate in the same direction; the upper side of the rear part of the sorting frame is fixedly connected with the lower end of a weighing table, the weighing table consists of two parts with symmetrical structures, and the upper end of the weighing table is fixedly provided with two fruit stabilizing frames with the same structure; the middle parts of the two fruit stabilizing frames are respectively provided with an electronic fruit scale, the front end and the rear end of the upper side of the fruit scale are in smooth curved surface structures, and the weighing part of the fruit scale can move up and down relative to the fruit stabilizing frames; the fruit scale adopting the existing small electronic scale structure is 0.1-0.5 cm higher than the fruit stabilizing frame; the lower end of the fruit stabilizing frame is fixedly connected with the upper end of the fixing plate, the lower end of the fixing plate is fixedly connected with the support rail rods, the number of the support rail rods is determined according to the whole length of the sorting frame, and the support rail rods are fixedly arranged at the upper end of the sorting frame; a supporting rail column is fixedly arranged on the upper side of the middle part of the supporting rail rod, a conveying rail is fixedly arranged at the upper end of the supporting rail column, and the conveying rail passes through a middle gap of the weighing platform; the main driving wheel is connected with a main rotating wheel arranged at the front end of the sorting frame through a driving chain, front leveling wheels are coaxially arranged on two sides of the main rotating wheel respectively, and the main rotating wheel is driven by a motor arranged at the front end of the sorting frame; the fruit conveying vehicle is connected with the main rotating wheel, the main driving wheel and the conveying rail clamping groove, and is used for receiving fruits at the transmission part and moving along the conveying rail, and the conveying chain belt enters a conveying box arranged at the lower part of the sorting table when moving to the lower end of the sorting table so as to reciprocally and circularly rotate; the fruit protection shells are respectively arranged on two sides of the upper part of the sorting table, the whole fruit protection shells are long ladder-shaped, the elastic layers are arranged on the inner surfaces of the fruit protection shells in an adhering mode, the fruit protection shells can prevent fruits from falling and damaging in the conveying process, infrared sensors are respectively arranged at the rear ends of the fruit protection shells which are bilaterally symmetrical, the two infrared sensors are respectively arranged at the front side parts of the two fruit stabilizing frames, and the infrared sensors can sense the fruit conveying vehicles and carry out positioning marks on the fruit conveying vehicles; sorting openings are formed in the two sides of the fruit protection shell at intervals, the sorting openings incline downwards from the inner end to the outer end, and an elastic layer is arranged on the upper surface of the sorting openings in an adhering mode; the sorting opening is positioned at one side of the conveying rail, the other side of the conveying rail is provided with bullet ejectors, the number of the bullet ejectors is twice that of the sorting opening, the bullet ejectors are respectively arranged at the upper ends of the support rail rods, the support rail rods are positioned at the rear ends of the front edges of the openings of the sorting opening or the rear ends of the rear edges of the openings of the sorting opening, after the bullet ejectors are electrified, the fruit conveying vehicles passing through the upper parts of the bullet ejectors can be overturned, so that the fruit conveying vehicles incline to one side of the sorting opening, and fruits on the fruit conveying vehicles roll out of the sorting opening by virtue of inertia; the motor and the bullet-lifting device are respectively and electrically connected with the control console, the fruit scale and the infrared sensor are respectively and electrically connected with the control console, and the whole fruit weighing type multistage sorting platform sorts fruits according to different weight ranges under the control of the control console;

The front part of the fruit stabilizing frame is of a straight rod structure, and the rear part of the fruit stabilizing frame is of a bent rod structure which is bent downwards; the rear ends of the two fruit stabilizing frames are respectively adjacent to the right rear leveling wheel and the left rear leveling wheel, the gap between the rear ends of the two fruit stabilizing frames and the right rear leveling wheel and the left rear leveling wheel is smaller than 3 cm, and the bending radians of the rear ends of the two fruit stabilizing frames are respectively matched with the bending radians of the adjacent parts of the right rear leveling wheel and the left rear leveling wheel;

the middle part of the conveying rail is of a straight rod structure, the front end and the rear end of the conveying rail are of a bent rod-shaped structure which is bent downwards, the rear end of the conveying rail is adjacent to the main driving wheel, the gap between the rear end of the conveying rail and the main driving wheel is smaller than 3 cm, the bending radian of the rear end of the conveying rail is matched with the bending radian of the position adjacent to the main driving wheel, the front end of the conveying rail is adjacent to the main rotating wheel, the gap between the front end of the conveying rail and the main rotating wheel is smaller than 3 cm, and the bending radian of the front end of the conveying rail is matched with the bending radian of the position adjacent to the main rotating wheel.

2. The fruit weighing type multi-stage sorting station according to claim 1, characterized in that: the elastic device consists of a wall, a device seat, an electric push rod, an elastic plate, a connecting shaft, a supporting rod and a movable rod, wherein the bottom surface of the device seat is fixedly connected with the upper end surface of a supporting rail rod, one side of the device seat is fixedly provided with the wall with a platy structure, the middle part of the upper end surface of the device seat is fixedly provided with the electric push rod, the electric push rod adopts a commercially available miniature pen-type electric push rod, the movable rod is movably arranged in a nested manner by the electric push rod, and the movable rod can flexibly extend and retract in the electric push rod; the front end of the movable rod is rotationally connected with the lower end of the supporting rod, the upper end of the supporting rod is rotationally connected with the rear end of the spring plate, the spring plate with a long plate-shaped structure is lapped on the upper part of the electric push rod, the rear end of the electric push rod is rotationally connected with the inner end of the connecting shaft, and the outer end of the connecting shaft is rotationally connected with the upper side of the rear end of the wall.