CN210037654U - Egg shell dark spot detection and sorting device - Google Patents

Abstract

The utility model relates to an egg eggshell dark spot detects and sorting device. The egg shell dark spot detecting and sorting device comprises a rack, wherein a feeding device, a conveying device, a dark spot detecting device and a sorting device are arranged on the rack; the feeding device is used for controlling eggs to be sorted to sequentially and singly fall onto the conveying device; the conveying device is used for fixing and conveying eggs to be sorted to sequentially pass through the dark spot detection device and the sorting device; the dark spot detection device is used for detecting and distinguishing dark spot eggs and non-dark spot eggs; the sorting device is used for sorting the dark spot eggs and the non-dark spot eggs which are distinguished by the dark spot detection device into different egg collecting boxes respectively. This egg eggshell dark spot detects and sorting device has realized detecting the egg and has had the automation of dark spot and letter sorting, can in time detect the dark spot egg, has reduced the egg breakage rate, uses manpower sparingly, has improved production efficiency, has eliminated the artificial random and the non-uniform problem of standard that detect the dark spot egg result, has increased commercial value, has improved economic benefits.

Description

Egg shell dark spot detection and sorting device

Technical Field

The utility model relates to an egg letter sorting equipment technical field especially relates to an egg eggshell dark spot detects and sorting device.

Background

Eggs are a food with rich nutrition and are the most important protein source in daily life, so the egg industry develops rapidly in recent years. But the rapid development and the restriction factor met at the same time are that the quality of the eggshell of the egg is low. The quality of the eggshell is one of important standards for evaluating the quality of eggs, and has important significance for reducing the breakage rate of the eggs, packaging, transporting, decomposing and the like. Eggs with poor eggshell quality are easy to damage in production, storage, transportation, sale and other links, and can pollute other eggs, cause cross contamination and cause economic loss. The eggshell dark spot is a main factor influencing the eggshell quality at present, and the eggshell dark spot is a spot which is visible to naked eyes and dark in color and luster and is shown at a plurality of positions on the eggshell surface. The surface smoothness of dark spotted eggs is normal, bright spots are formed at the dark spots of the eggs through strong light transmittance observed by a perspective method, and the number of the dark spotted eggs in the prior art appears in a large number in all large farms in China, so that the appearance quality of the eggs is seriously influenced, the commercial value is reduced, and the economic benefit is directly influenced. At present, a mainstream mode for detecting the dark spots of the eggs still adopts a perspective method manually, so that an automatic egg shell dark spot detecting and sorting device is needed to replace manual sorting, and the defects of large randomness, low efficiency and the like existing in the process of manually detecting the dark spots and sorting the dark spots eggs are overcome.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a remedy prior art not enough, provide an egg eggshell dark spot and detect and sorting device, realized detecting the egg and had or not the dark spot and sort out the automation of dark spot egg, use manpower sparingly, improved efficiency, eliminated the artificial randomness and the non-unity of standard that detect the dark spot egg result, solved the problem that exists among the prior art.

The utility model discloses a realize through following technical scheme:

an egg shell dark spot detection and sorting device comprises a rack, wherein a feeding device, a conveying device, a dark spot detection device and a sorting device are arranged on the rack;

the feeding device is used for controlling eggs to be sorted to sequentially and singly fall onto the conveying device;

the conveying device is used for fixing and conveying eggs to be sorted to sequentially pass through the dark spot detection device and the sorting device;

the dark spot detection device is used for detecting and distinguishing dark spot eggs and non-dark spot eggs;

the sorting device is used for sorting the dark spot eggs and the non-dark spot eggs which are distinguished by the dark spot detection device into different egg collecting boxes respectively.

The egg shell dark spot detection and sorting device further comprises an egg receiving box and an egg clamping detection device, and the egg receiving box is arranged in the rack between the feeding device and the dark spot detection device; the egg clamping detection device is arranged in the rack above the egg receiving box; the egg clamping detection device is used for detecting the stability of eggs to be sorted on the conveying device, and the egg receiving box is used for receiving the eggs which are not clamped on the conveying device or are not clamped through the detection of the egg clamping detection device.

The egg clamping detection device is arranged in the rack above the conveying device.

One side of the egg receiving box corresponds to the outer side of a discharge hole of the feeding device, and the other side of the egg receiving box corresponds to the outer side of the dark spot detection device. The egg clamping detection device is arranged on the conveying device, so that eggs which are not clamped on the conveying device can be well received, and meanwhile, eggs which are not clamped after being detected by the egg clamping detection device are received.

The feeding device, the egg clamping detection device, the dark spot detection device and the sorting device are arranged at intervals along the conveying direction of the conveying device.

The dark spot detection device is arranged in the middle of the rack above the conveying device along the conveying direction of the conveying device; the sorting device is arranged at the lower part of the rack below the conveying device; the egg collecting box is arranged on the outer side of the rack opposite to the sorting device.

Furthermore, the dark spot detection device is arranged on the rack above the conveying device and behind the egg clamping detection device.

The feeding device is equipped with the gate including supporting the egg case of waiting to sort of locating the frame top on the discharging channel who waits to sort the egg case, the gate is through motor drive, the gate is once started the confession and is waited to sort the egg and singly pass through and get into the discharge gate of waiting to sort the egg case.

The gate is close to the discharge hole of the egg box to be sorted.

The gate is vertical under motor drive and is rotated once, only promotes the single egg of waiting to sort in the egg case of waiting to sort and gets into and wait to sort egg case discharge gate position.

An inclined channel is arranged in the egg box to be sorted corresponding to the gate, and eggs to be sorted are arranged to the gate in a single row through the inclined channel.

Treat the discharging channel of letter sorting egg case for slope discharging channel to the egg that treats that comes out by the gate continues to slide to the discharge gate of treating letter sorting egg case, falls to conveyor smoothly on.

The conveying device comprises two chain wheel shafts arranged on the rack, chain wheels are arranged in the rack at two ends of each chain wheel shaft, a chain is sleeved on each chain wheel at the same side of the two chain wheel shafts, one chain wheel shaft is driven by a first motor arranged on the outer side of the rack in a supporting mode, and the chain is driven by the chain wheels to be conveyed circularly along the length direction of the rack; an egg box is supported between the two chains; the egg boxes are uniformly arranged at intervals along the conveying direction of the chain; the egg box is arranged in a vertically through manner, an egg clamping device for clamping eggs to be sorted is arranged in the egg box, and an egg box switch A is arranged in the rack below the feeding device; the egg box switch A is used for limiting the egg clamping device to be turned on when the conveying device is used for feeding, and turned off when the conveying device is used for feeding and deviates from the feeding device; a flat egg support is arranged below the egg box corresponding to a discharge port of the feeding device, and the flat egg support supports eggs before the eggs are clamped by the egg clamp in the egg box.

The first motor is a stepping motor.

The flat egg support is supported by a flat egg support base fixedly connected with the inner side wall of the rack.

Lateral positioning chain links are arranged on the chains among the egg boxes; egg box mounting chain links are arranged between adjacent lateral positioning chain links, and the egg boxes are supported on the chain through the egg box mounting chain links.

Each egg box is connected with the egg box mounting chain link through a support shaft, and a first gear is fixedly sleeved on the support shaft.

The egg clamping device comprises clamping pieces arranged on two opposite side walls of the egg box, and the clamping pieces clamp eggs to be sorted along the direction perpendicular to the conveying direction of the chain; the clamping piece comprises a fixed part arranged on one side wall of the egg box and an elastic pushing part arranged opposite to the fixed part; the top surface of the elastic pushing part is provided with a vertical pusher dog, the lower part of the elastic pushing part is provided with a horizontal sliding rod, two ends of the horizontal sliding rod are respectively arranged in sliding grooves in the inner side wall of the egg box in a sliding mode, and the horizontal sliding rod is close to the fixed part along the direction perpendicular to the conveying direction of the conveying belt under the elastic action of the elastic pushing part.

The opposite surfaces of the fixed part and the elastic pushing part are both in an inner arc surface shape. So set up, can guarantee its better egg of cliping, give the firm power of embracing of egg.

The egg box switch A is used for limiting the egg clamping device to be opened when eggs to be sorted fall into the egg box and to be closed after the egg box falling into the eggs to be sorted is continuously conveyed by the conveying device and deviates from the discharge hole of the feeding device.

Egg box switch A includes a plate body, is equipped with a logical groove on the plate body bottom surface, lead to the groove including the arcuation section that sets gradually along conveyor direction of delivery and lead to the groove with the straightway, the vertical pusher dog of each egg box leads to the groove cooperation with the arcuation section and straightway and leads to the groove with the pulling egg box in the fixed part that clamping piece was kept away from to the elasticity portion of promoting of clamping piece.

The inlet of the through groove of the arc-shaped section is arranged corresponding to a vertical shifting claw of a clamping piece in the egg box before feeding, and the through groove of the straight line section is communicated with the through groove of the arc-shaped section. So, egg box on conveyor is when carrying to loading attachment below, the vertical pusher dog of clamping piece is close to the logical groove import of arcuation section of egg box switch A gradually in the egg box, after getting into the logical groove import of arcuation section, receive its restriction, the fixed part of clamping piece is kept away from along the spout of egg box inside wall to the elasticity promotion portion of vertical pusher dog drive clamping piece, get into straightway logical groove back at vertical pusher dog, press from both sides egg ware and open to the biggest, thereby when egg box reachs loading attachment's discharge gate, the egg directly falls into egg box, when continuing to carry, the vertical pusher dog of clamping piece breaks away from the straightway export that leads to of egg box switch A's straightway, the elasticity promotion portion of clamping piece restores to the normal position gradually under the effect of elasticity extension, the fixed part of cooperation clamping piece.

The dark spot detection device comprises a terminal and a shooting device connected with the terminal; the shooting device comprises a dark box arranged in the rack, a shooting camera is fixed on the inner top wall of the dark box and used for shooting the surface of eggs to be sorted on the conveying device below the shooting camera and transmitting the pictures to a terminal for analysis, and information of dark spot eggs and non-dark spot eggs on the conveying device is recorded and stored; and a strong light source corresponding to the shooting camera is arranged below the shooting camera and used for irradiating eggs to be sorted on the conveying device.

The dark spot detection device also comprises a turnover device which is used for turning over the egg box in the dark box.

The turnover device comprises a second motor arranged on the side wall of the dark box, a second gear is fixedly arranged on an output shaft of the second motor, and the second gear is meshed with the first gear on each egg box; the egg box rotates under the meshing action of the first gear and the second gear to realize 180-degree turnover. During the continuous conveying process of the conveying device, the first gear on the corresponding egg box is separated from the first gear.

The shooting camera is also provided with a photoelectric switch.

The strong light source is fixed in the frame through a strong light source seat, and the strong light source seat is fixed with the inner wall of the frame.

The shooting camera is a CCD camera.

The sorting device comprises an egg collecting box A and an egg collecting box B which are arranged on the outer side of the lower part of the rack, and the egg collecting box A and the egg collecting box B are oppositely arranged in the length direction of the rack; the egg collecting device is characterized in that one end of a leakage connecting groove is fixedly connected to an inlet of each egg collecting box, the other end of the leakage connecting groove is fixedly connected with the bottom surface of the rack, the leakage connecting groove is communicated with the inside of the rack, a buffering arc surface is arranged on the bottom wall at the other end of the leakage connecting groove, and the buffering arc surface buffers eggs which fall off from a conveying belt and slide into the leakage connecting groove and are free of dark spots or dark spots.

Egg collecting box A and egg collecting box B are both arranged outside the machine frame below the conveying belt.

A controllable egg box switch is fixed on the rack above the leakage groove connected with the egg collecting box A, and an egg box switch B is arranged on the rack above the leakage groove connected with the egg collecting box B. The controllable egg box switch is used for controlling the non-dark-spot eggs on the conveying device to fall into the leakage receiving groove below the conveying device and then enter the egg collecting box A; the egg box switch B is used for allowing dark spotted eggs to fall into the leakage receiving groove below the egg box switch B and then enter the egg collecting box B.

The controllable egg box switch comprises a switch seat, a groove body is arranged in the switch seat, a telescopic plate is horizontally and movably arranged in the groove body, and a through groove is arranged on the bottom surface of the telescopic plate; the telescopic plate extends out or retracts in the switch seat to open the egg boxes of the eggs without the dark spots on the conveying device or allow the egg boxes of the eggs with the dark spots to pass freely.

The process that the telescopic plate extends out of the switch seat to open the egg box of the eggs without dark spots is as follows: the controllable egg box switch is always in an open state, according to the information of dark-spot eggs and dark-spot-free eggs on the conveying device recorded by the terminal, when the eggs on the conveying device are dark-spot-free eggs, the pusher dogs of the egg box without the dark-spot eggs on the conveying device smoothly enter the passing grooves under the open state of the controllable egg box switch, the pusher dogs are pulled outwards under the limiting action of the passing grooves of the controllable egg box switch, the pusher dogs drive the egg box egg clamping device to open, and the dark-spot-free eggs smoothly fall down. When eggs with dark spots are arranged on the conveying device, the controllable egg box switch is in a closed state, the telescopic plate is retracted into the groove body in the switch seat, and the pusher dog on the egg box can directly bypass the controllable egg box switch to convey the eggs without blocking or limiting. The controllable egg box switch is normally open, and in the closed state, the egg box with dark spotted eggs directly returns to the normally open state again within a few seconds.

The inlet of the through groove is arranged in a trumpet shape or a triangle shape. The design is to ensure that the positions of the poking claws on the egg boxes of eggs with different sizes are possibly different, so that the poking claws on the egg boxes of eggs without dark spots, which need to fall down conveniently enter smoothly and pull the elastic pushing parts to be far away from the fixing parts of the egg box egg clamping devices.

Egg box switch B includes a plate body, is equipped with a straight flute and the arc groove that is linked together with the straight flute on the plate body bottom surface, vertical pusher dog and straight flute, arc groove cooperation are in order to stimulate the elasticity promotion portion of egg box clamping piece gradually and loosen the egg, make the egg fall into its below smoothly and connect the small groove in, and then get into and collect in the egg case B.

Egg box switch B is similar with egg box switch A's structure, the institute is different, egg box switch B's straight flute import is loudspeaker form or three horn shapes, set up the straight flute import into loudspeaker form, be under the different circumstances of egg size, clamping piece pawl position probably has certain disparity, can guarantee like this that the pusher dog gets into egg box switch B's straight flute import smoothly, owing to be the arc groove immediately afterwards, can make the pusher dog short time that gets into because of the elasticity promotion portion that stimulates the clamping piece gradually for the restriction of stroke orbit, loosen the egg then, make the egg fall into the connecing of below and leak the inslot.

The egg shell dark spot detection and sorting device further comprises an egg receiving box and an egg clamping detection device, wherein the egg receiving box is arranged below a conveying belt between a discharge port of the feeding device and the dark spot detection device; press from both sides egg detection device and locate in the frame that connects egg case top, press from both sides egg detection device and be used for detecting the steadiness of waiting to sort the egg on conveyor.

The egg clamping detection device comprises a vertical pushing piece arranged in a rack above the egg receiving box, and the vertical pushing piece pushes eggs fixed on the conveying device to detect the stability of the eggs to be sorted on the conveying device.

The vertical pushing piece comprises a cylinder body, and the movement of a piston rod of the cylinder body pushes eggs fixed on the conveying device.

The vertical pushing part comprises a motor, an eccentric wheel is arranged on an output shaft of the motor, a vertical push rod is arranged on the eccentric wheel, a pushing block is arranged at the bottom end of the vertical push rod, and the vertical push rod drives the pushing block to press eggs fixed on the conveying device downwards under the action of the eccentric wheel. The unclamped eggs can directly fall to the egg receiving box under the action of the vertical pushing piece, and the clamped eggs are continuously conveyed for subsequent dark spot detection.

The egg shell dark spot detecting and sorting device further comprises a controller A and a controller B, the feeding device, the conveying device and the dark spot detecting device are respectively and electrically connected with the controller A, and the controller A is also electrically connected with a first timer; the sorting device is electrically connected with the controller B, and the controller B is also electrically connected with a second timer.

The controller A is also electrically connected with the egg clamping detection device.

The motor of the feeding device, the first motor of the conveying device, the terminal of the dark spot detection device, the CCD camera, the photoelectric switch on the CCD camera, the strong light source and the second motor of the turnover device are respectively and electrically connected with the controller A, and the controller A is also electrically connected with a first timer; the controller B is respectively and electrically connected with the terminal of the dark spot detection device and the controllable egg box switch of the sorting device, and the controller B is also electrically connected with a second timer.

The controller A and the controller B are both PIC or STM controllers; the first timer and the second timer are both DS1302 timers.

The utility model has the advantages that:

this egg eggshell dark spot detects and sorting device passes through loading attachment, conveyor, dark spot detection device and sorting device's setting, compact structure, mutually support, realized automatic material loading under controller control, the egg presss from both sides tight the detection, the dark spot detects, the process of letter sorting, when realizing detecting egg dark spot automation mechanized operation, it is big effectively to have solved artifical intensity of labour, easily produce damaged shortcoming, the randomness that the artifical mode detected the egg dark spot existence and the difference of standard have been avoided, commercial value has been increased, economic benefits has been improved.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of FIG. 1 in partial cross-section;

FIG. 3 is a schematic structural view of the feeding device in FIG. 1;

FIG. 4 is a schematic view of the conveyor apparatus of FIG. 1;

FIG. 5 is a schematic structural diagram of the dark spot detection device shown in FIG. 1;

FIG. 6 is a schematic view of the sorting device of FIG. 1;

FIG. 7 is a schematic view of the egg carton of FIG. 1;

FIG. 8 is a schematic structural diagram of the egg box switch A in FIG. 1;

FIG. 9 is a schematic view of a controllable egg box switch of FIG. 1;

FIG. 10 is a schematic top view of the egg box switch B of FIG. 1;

FIG. 11 is a schematic view of the structure of the leakage receiving groove in FIG. 1;

fig. 12 is a block diagram of the circuit control structure of the present invention.

In the figure, 1 machine frame, 2 egg clamping detection devices, 3 egg receiving boxes, 4 motors, 5 controllers A, 6 controllers B, 7 egg boxes to be sorted, 8 discharge channels, 9 gates, 10 sprocket shafts, 11 sprockets, 12 chains, 13 first motors, 14 egg boxes, 15 egg box switches A, 16 flat egg holders, 17 flat egg holder bases, 18 lateral positioning chain links, 19 egg box installation chain links, 20 fixing parts, 21 elastic pushing parts, 22 vertical pusher dogs, 23 horizontal sliding rods, 24 sliding chutes, 25 plate bodies, 26 through chutes, 26.1 arc-shaped section through chutes, 26.2 straight-shaped section through chutes, 27 concealed boxes, 28CCD cameras, 29 strong light sources, 30 turnover devices, 31 second motors, 32 second gears, 33 first gears, 34 supporting shafts, 35 buffer cambered surfaces, 36 controllable egg box switches, 36.1 switch seats, 36.2 groove bodies, 36.3 expansion plates, 36.4 through grooves, 37 egg box switches B, 38 straight grooves, 39 egg box collecting boxes A, 39 egg boxes, 40 egg collecting boxes B, 41 are connected with a leakage groove, 42 photoelectric sensors A, 43 photoelectric sensors B, 44 first timers, 45 second timers and 46 arc grooves.

Detailed Description

In order to clearly illustrate the technical features of the present invention, the present invention is explained in detail by the following embodiments in combination with the accompanying drawings.

As shown in fig. 1-12, the egg shell dark spot detecting and sorting device comprises a frame 1, wherein a feeding device, a conveying device, an egg clamping detecting device 2, a dark spot detecting device and a sorting device are arranged on the frame, and eggs without dark spots and eggs with dark spots are finally sorted into an egg collecting box a 39 and an egg collecting box B40 below the frame 1.

The structure is comprehensively controlled by the controller A5 and the controller B6, and the automatic dark spot egg sorting is integrally realized.

The feeding device is including supporting the egg case 7 of waiting to sort of locating frame 1 top, is equipped with gate 9 on the discharging channel 8 of waiting to sort egg case 7, gate 9 is through the drive of motor 4, gate 9 once starts the confession and waits to sort egg single through and get into the discharge gate of waiting to sort egg case 7.

The gate 9 is arranged close to the discharge hole of the egg box to be sorted.

The gate 9 is driven by the motor 4 to vertically rotate once, and only pushes a single egg to be sorted in the egg box to be sorted to enter the discharge hole of the egg box to be sorted 7. The motor for driving the gate may be a stepping motor.

An inclined channel is arranged in the egg box to be sorted 7 corresponding to the gate, and eggs to be sorted are arranged to the gate in a single row through the inclined channel.

The discharging channel 8 of the egg box 7 to be sorted is an inclined discharging channel, so that eggs to be sorted coming out from the gate 9 continuously slide to the discharging port of the egg box to be sorted and smoothly fall onto the conveying device.

An egg receiving box 3 is arranged in the rack 1 between the egg box 7 to be sorted and the dark spot detection device, and the rear side of the egg receiving box 3 extends out of the rear side wall of the rack 1; the egg clamping detection device 2 is arranged in the rack 1 above the egg receiving box 3. One side of the egg receiving box 3 corresponds to the outer side of a discharge hole of the egg box 7 to be sorted, and the other side of the egg receiving box 3 corresponds to the outer side of the dark spot detection device. The egg clamping detection device is arranged on the conveying device, so that eggs which are not clamped on the conveying device can be well received, and meanwhile, eggs which are not clamped after being detected by the egg clamping detection device are received.

The conveying device comprises two chain wheel shafts 10 arranged on a rack 1, chain wheels 11 are arranged in the rack at two ends of each chain wheel shaft 10, a chain 12 is sleeved on each chain wheel 11 on the same side of each chain wheel shaft 10, one chain wheel shaft 10 is driven by a first motor 13 supported and arranged on the outer side of the rack 1, and the chain 12 is driven by the chain wheel 11 to be conveyed along the length direction of the rack 1 in a circulating manner; an egg box 14 is supported between the two chains 12; the egg boxes 14 are uniformly arranged at intervals along the chain conveying direction; the egg boxes are arranged in a vertically through manner, egg holders for clamping eggs to be sorted are arranged in the egg boxes, and an egg box switch A15 is arranged in the rack 1 at the rear side below the egg boxes 7 to be sorted; the egg box switch A is used for limiting the egg clamping device to be turned on when the egg box is fed, and to be turned off when the egg box is fed and deviates from the discharge hole of the egg box 7 to be sorted; a flat egg tray 16 is arranged below the egg box 14 corresponding to a discharge port of the egg box 7 to be sorted, and the flat egg tray 16 supports eggs before the eggs are clamped by the egg clamps in the egg box 14.

The first motor 13 is a stepping motor.

The flat egg tray 16 is supported by a flat egg tray base 17 fixedly connected with the inner side wall of the frame 1.

Lateral positioning chain links 18 are arranged on the chain 12 between the egg boxes 14; egg carton mounting links 19 are provided between adjacent laterally positioned links, through which egg cartons are supported on the chain.

Each egg box 14 is connected with the egg box mounting chain link 19 through a supporting shaft 34, and a first gear 33 is fixedly sleeved on the supporting shaft 34.

The egg clamping device comprises clamping pieces arranged on two opposite side walls of the egg box 14, and the clamping pieces clamp eggs to be sorted along the direction perpendicular to the conveying direction of the chain; the clamping piece comprises a fixed part 20 arranged on one side wall of the egg box and an elastic pushing part 21 arranged opposite to the fixed part 20; a vertical pusher 22 is arranged on the top surface of the elastic pushing part 21, a horizontal sliding rod 23 is arranged on the lower part of the elastic pushing part 21, two ends of the horizontal sliding rod are respectively arranged in a sliding groove 24 on the inner side wall of the egg box in a sliding manner, and the horizontal sliding rod 23 is close to the fixing part 20 along the direction perpendicular to the conveying direction of the chain 12 under the elastic action of the elastic pushing part.

The opposite surfaces of the fixed part 20 and the elastic pushing part 21 are both in an inner arc surface shape. So set up, can guarantee its better egg of cliping, give the egg a more firm power of embracing, make the egg more firm, the clamp is tight.

The egg box switch A is used for limiting the egg clamping device to be opened when eggs to be sorted fall into the egg box 14, and to be closed when the egg box 14 falling into the eggs to be sorted is continuously conveyed by the chain and deviates from the discharge hole of the egg box 7 to be sorted. The function is realized mainly by the structure of the egg box switch:

egg box switch A includes a plate body 25 that is fixed in frame 1, is equipped with a logical groove 26 on the plate body bottom surface, it includes that the straight-through groove 26.1 and the straightway logical groove 26.2 of arcuation section that sets gradually along conveyor direction to lead to the groove, and the vertical pusher dog 22 of each egg box 14 leads to groove 26.1 and straightway logical groove 26.2 cooperation in order to stimulate gradually the fixed part 20 that the elasticity of clamping piece promoted portion 21 kept away from the clamping piece in the egg box 14.

The inlet of the arc-shaped section through groove 26.1 is arranged corresponding to the vertical shifting claw 22 of the clamping piece in the egg box before feeding, and the straight-line section through groove 26.2 is communicated with the arc-shaped section through groove 26.1. Thus, when the egg box 14 on the chain is conveyed to the egg box switch A below the feeding device, the vertical pusher dog 22 of the clamping piece in the egg box 14 is gradually close to the arc-shaped section through groove inlet 26.1 of the egg box switch A, after the vertical pusher dog 22 on the egg box 14 enters the arc-shaped section through groove inlet, limited by the arc-shaped section through groove inlet, the vertical pusher dog 22 drives the elastic pushing part 21 of the clamping piece to be away from the fixing part 20 of the clamping piece along the sliding groove 24 on the inner side wall of the egg box 14, after the vertical pusher dog 22 enters the straight-line section through groove 26.2, the egg clamping device is opened to the maximum, so that when the egg box 14 reaches the discharge port of the egg sorting box 7, eggs directly fall into the egg box 14, when the conveying is continued, the vertical pusher dog 22 of the clamping piece is separated from the outlet of the straight-line section through groove 26.2 of the egg box switch A, the elastic pushing part. At this time, the clamping members may not clamp or clamp the eggs due to the size of the eggs, and the clamped eggs may fall into the egg receiving box directly. Before dark spot detection, whether the eggs are clamped and stable is detected through the egg clamping detection device 2 arranged above the egg receiving box 3, and the detection is mainly carried out through the structure of the egg clamping detection device 2.

The egg clamping detection device 2 is arranged in the rack 1 above the conveying device. The egg clamping detection device 2 comprises a vertical pushing piece arranged in a rack above the egg receiving box 3, and the vertical pushing piece pushes eggs fixed in the egg boxes 14 on the chain to detect the stability of the eggs to be sorted in the egg boxes and detect whether the eggs are clamped or not. The egg clamping detector is provided with a photoelectric sensor A42 electrically connected with the controller A, namely, the egg clamping detector is used for carrying out egg clamping detection on the egg box with the eggs and detecting whether the eggs are clamped or not in the conveying process.

The vertical pushing piece can be a cylinder body such as a hydraulic cylinder or an air cylinder, the movement of a piston rod of the cylinder body can push the eggs fixed in the egg box, and if the eggs are clamped by the clamping piece insecurely, the eggs easily fall to the egg receiving box under the thrust action of the piston rod, and then follow-up detection is not carried out. Certainly, the thrust of here piston rod need be set for softly some, avoids causing the collision to the egg, and simultaneously, the bottom customer of piston rod sets up soft material, and it is fast like block rubber or silica gel, promotes through the direct and egg contact of soft material, avoids causing the injury to the egg shell.

The structure of the vertical pushing piece can be replaced by the following structure, and the effect of the egg clamping detection device 2 is not influenced. For example, the vertical pushing member comprises a motor, an eccentric wheel is arranged on an output shaft of the motor, a vertical push rod is arranged on the eccentric wheel, a flexible pushing block is arranged at the bottom end of the vertical push rod, and the vertical push rod drives the pushing block to press eggs fixed on the conveying device downwards under the rotation of the eccentric wheel. The unclamped eggs can directly fall to the egg receiving box 3 under the action of the vertical pushing piece, and the clamped eggs can be continuously conveyed to carry out subsequent dark spot detection.

The dark spot detection device comprises a terminal and a shooting device connected with the terminal; the terminal is a computer, a tablet or a mobile phone. The shooting device comprises a dark box 27 arranged in the rack, a shooting camera is fixed on the inner top wall of the dark box and is used for shooting the surface of eggs to be sorted in the egg box 14 passing below the shooting camera and transmitting the pictures to a terminal for analysis, and information of dark spot eggs and dark spot-free eggs on the conveying device is recorded and stored; a strong light source 29 corresponding to the shooting camera is arranged below the shooting camera, and the strong light source can irradiate eggs to be sorted on the egg box, so that light transmission is facilitated. A turnover device 30 is also arranged in the dark spot detection device, the turnover device comprises a second motor 31 arranged on the side wall of the dark box 27, a second gear 32 is fixedly arranged on an output shaft of the second motor 31, and the second gear 32 is meshed with a first gear 33 on each egg box; the egg box 14 rotates under the meshing action of the first gear and the second gear to realize 180-degree turnover, takes a picture at the moment, transmits the picture to a terminal for analysis, and records and stores the information of dark spot eggs and non-dark spot eggs on the conveying device. During the further transport of the transport device, the first gear wheel 33 on the respective egg carton 14 is disengaged from the second gear wheel 32.

The strong light source 29 is fixed in the frame 1 through a strong light source seat, and the strong light source seat is fixed with the inner wall of the frame.

The camera is a CCD camera 28.

The shooting camera carries out shooting on each egg box even if the egg box is empty. Through the shooting, the number of each egg box is recorded, the situation of no eggs, no-spot eggs and spot eggs is recorded, which is equivalent to the situation of the eggs on each egg box is recorded while the number of each egg box is recorded, so that when the eggs are conveyed to the corresponding egg box, the controller B6 controls the no-spot eggs on the number of the corresponding egg box to be collected into the egg collecting box A39, and the rest eggs are collected into the egg collecting box B10.

The egg collecting box A39 and the egg collecting box B40 which are arranged on the outer side of the lower part of the rack 1 form part of the sorting device, and the egg collecting box A and the egg collecting box B are oppositely arranged in the length direction of the rack; the egg collecting box is characterized in that one end of a leakage receiving groove 41 is fixedly connected to an inlet of each egg collecting box, the other end of the leakage receiving groove 41 is fixedly connected with the bottom surface of the rack 1, the leakage receiving groove is communicated with the inside of the rack, a buffer arc surface 35 is arranged on the inner bottom wall of the other end of the leakage receiving groove 41, and the buffer arc surface buffers non-dark-spot eggs or dark-spot eggs which fall on a conveying belt and slide into the leakage receiving groove.

Egg collecting box A39 and egg collecting box B40 are both arranged outside the frame 1 below the conveying belt.

A controllable egg box switch 36 is fixed on the frame 1 above a leakage groove 41 connected with an egg collecting box A39, and an egg box switch B37 is arranged on the frame above the leakage groove connected with an egg collecting box B. The controllable egg box switch 36 is used for controlling the non-dark-spot eggs on the conveying device to fall into the leakage receiving groove 41 below the conveying device and enter the egg collecting box A39; the egg box switch B37 is used for allowing eggs with dark spots to fall into the drain groove 41 below the egg box B40. And a photoelectric sensor B43 is also fixed on the rack between the controllable egg box switch and the leakage receiving groove, and the photoelectric sensor B is started intermittently along with the frequency of the first motor 13 to judge whether eggs are in the egg box conveyed to the position.

The controllable egg box switch 36 comprises a switch seat 36.1, a groove body 36.2 is arranged in the switch seat, an expansion plate 36.3 is horizontally and movably arranged in the groove body, the expansion plate is in sliding fit with the groove body, and a passing groove 36.4 is arranged on the bottom surface of the expansion plate; the telescopic plate extends out or retracts in the switch seat to open the egg boxes of the eggs without the dark spots on the conveying device or allow the egg boxes of the eggs with the dark spots to pass freely. The controllable egg box switch is normally open, namely the expansion plate is always in an extending state. The telescopic plate extends out of the switch seat 36.1, so that the process of opening the egg box of the eggs without dark spots and dropping the eggs is as follows: according to the serial number of the egg boxes on the chain recorded by the terminal, the information of eggs, eggs with dark spots and eggs without dark spots on the egg boxes with corresponding serial numbers, when the eggs without dark spots are on the chain, the pusher dogs of the egg boxes fixed with the eggs without dark spots smoothly enter the passing groove 36.4 under the opening state of the controllable egg box switch 36, the pusher dogs of the egg boxes are pulled along the passing groove to limit the continuous conveying process, the pusher dogs drive the egg holders of the egg boxes to open, the eggs without dark spots smoothly fall to the lower leakage groove of the egg boxes, and then the eggs enter the egg collecting box A. When having dark spot egg or when not having the egg on conveyor, the controllable egg box switch of controller B control is off state, the expansion plate is withdrawed to the inslot in the switch seat in, the pusher dog on the egg box can directly walk around controllable egg box switch and carry, unblock and restriction, the controllable egg box switch of several seconds after having dark spot egg or empty egg box process directly resumes normally open state again, the egg through controllable egg box switch continues to be carried to egg box switch B department, pull by egg box switch B the vertical pusher dog of egg box, it then directly falls into and connects the hourglass groove and get into and collect in the egg box B to have dark spot egg.

The inlet of the through groove 36.4 is arranged in a trumpet shape or a triangle shape. This design is in order to guarantee that the egg box of not unidimensional egg goes up vertical pusher dog position and probably has the deviation, generally 25mm, so set up, vertical pusher dog gets into smoothly and pulls elasticity promotion portion and keeps away from the fixed part of egg box egg holder on the egg box of the no dark spot egg that can make things convenient for the needs whereabouts, opens egg holder, makes the no dark spot egg fall.

Egg box switch B's structure is with egg box switch A, and the difference lies in that egg box switch B's logical groove import is the loudspeaker form, is equipped with logical groove on egg box switch B's bottom surface promptly, lead to the groove including import straight flute 38 and the arc groove 46 that is the loudspeaker form, so, can guarantee to be equipped with the smooth entering logical groove of pusher dog of the egg box of different big or small eggs, the elasticity promotion portion that stimulates the egg box clamping piece gradually under the orbit that leads to the groove loosens the egg, makes the egg fall into its below smoothly and connects the small groove in, and then gets into and collect in the egg box B40.

The inlet of the straight groove 38 may also be triangular. Set up the import of straight flute into loudspeaker form or triangle form, be under the different circumstances of egg size, clamping piece pawl position probably has certain difference, can guarantee like this that the pawl gets into egg box switch B's logical groove import smoothly, owing to be arc groove 46 immediately after, can make the elastic pushing portion of pulling the clamping piece gradually in the pawl short time that gets into because of the restriction for the stroke orbit, then loosen the egg, make the egg fall into the connect the small opening groove of below in.

The motor 4 of the feeding device, the first motor 13 of the conveying device, the terminal of the dark spot detection device, the CCD camera 28, the strong light source 29, the second motor 31 of the turnover device and the photoelectric sensor A42 are respectively and electrically connected with the controller A5, and the controller A is also electrically connected with a first timer 44; the controller B is respectively and electrically connected with the terminal of the photoelectric sensor B43 dark spot detection device and the controllable egg box switch 36 of the sorting device, the controller B is also electrically connected with a second timer 45, and the timer 45 is convenient for the controller B to control the working state of the controllable egg box switch.

The working process is as follows: eggs are manually placed into the egg boxes 7 to be sorted and are arranged on the inclined channel in the egg boxes 7 to be sorted, single-row eggs on the inclined channel are arranged to the position of the gate 9, the motor 4 and the first motor 13 are controlled by the controller A, the running speeds of the egg boxes and the first motor are matched and kept consistent, namely, when the egg boxes 14 are conveyed to the lower portion of the discharge port of the egg boxes 7 to be sorted through the chains 12, just one egg falls down on the egg boxes to be sorted, and the eggs are supported in the egg boxes 14 through the flat egg supports 16.

When the first motor 13 drives the chain 12 to drive the egg box 14 to operate, the egg box 14 firstly passes through an egg box switch A15 below the egg box 7 to be sorted, and the egg clamping device is opened, specifically: the vertical pusher dog 22 of egg box receives the restriction of leading to groove 26 on egg box switch A, moves towards the vertical pusher dog 22 of pulling along leading to the groove and makes its drive elasticity promotion portion 21 keep away from fixed part 20, realizes opening of pressing from both sides egg ware, moves to the discharge gate position of waiting to sort egg case 7 until this egg box 14, because vertical pusher dog 22 still is located egg box switch A, presss from both sides egg ware still is in the open mode. When eggs fall into the egg box and are conveyed continuously, the pusher dogs of the egg box leave the through groove of the egg box switch A, the elastic pushing part 21 of the egg clamping device returns to the original position under the action of spring force and approaches to the fixing part 20 and holds the eggs, in the process of continuous conveying, the eggs which are not clamped are directly fallen into the egg receiving box 3, the egg boxes which are not fallen are detected by the egg clamping detection device 2, specifically, the eggs in the egg boxes are sensed by the photoelectric sensor A42 on the egg clamping detection device 2, signals are transmitted to the controller A, the controller A controls the egg clamping detection device to start to generate downward driving force, and as long as the eggs on the egg box are clamped firmly and cannot fall easily, the detection of the egg clamping detection device is completed, and the subsequent dark spot detection is continuously carried out.

The strong light source 29 is always in an open state, the CCD camera is also always in a shooting state, the conveying speed of the conveying device is controlled by the controller A, the egg boxes 14 are guaranteed to pause for a certain time when being located below the CCD camera and can be shot twice, and during shooting twice, the controller A drives the second motor 31 to enable the overturning device to overturn the egg boxes 14 once, namely, the upper surfaces and the lower surfaces of eggs in the egg boxes 14 are shot respectively. The method specifically comprises the following steps: when the egg box is conveyed to the position below the CCD camera 28 in the dark box 27, the conveying is stopped for a certain time, at the moment, the first gear 33 on the supporting shaft 34 of the egg box is just in contact and meshed with the second gear 32 on the turning device in the dark box, the upper surface of the egg in the egg box is photographed, after 2s, the controller A drives the second motor 31 of the turning device to drive the second gear to be meshed with the first gear and complete the 180-degree turning of the egg box, then the second motor 31 is stopped, at the moment, the CCD camera finishes the photographing of the lower surface of the egg in the egg box, at the same time, the egg picture of the egg box is transmitted to an external terminal, such as a computer terminal, the terminal marks the egg box simultaneously, such as 001, if no egg is on the egg box through terminal analysis, the mark is 0, such as 1 if no egg is on the egg box, such as 2 is marked if no egg is on the egg box, and the mark of each egg box on the chain is sequentially marked as 001, 002. The detection results of dark spots on the egg boxes with corresponding numbers are three types as follows: the information is stored by the terminal, the processing result is converted into a control command of the controllable egg box switch 36 by the terminal and is directly transmitted to the controller B6, and the controller B controls the controllable egg box switch 36 according to the received signal. After the two times of photographing of eggs in the egg boxes are finished for 2s, the controller A controls the second motor 31 and the first motor to be started, the conveying device continues to convey the egg boxes, the egg boxes after the photographing are finished leave the camera bellows 27, after the first gear on the egg boxes is separated from the second gear of the turnover device, the controller A controls the second motor to stop, at the moment, the next egg box enters the camera bellows and is in contact engagement with the second gear of the turnover device, the circulation operations such as the previous photographing, transmission, turnover, photographing and transmission are continued, the photographing, analysis, recording and information storage of the eggs in the next egg box are completed, and the images are transmitted to the controller B, so that the controller B can control the controllable egg box switch 36.

The controllable egg box switch 36 is normally open under the control of the controller B, so when the egg box is conveyed out of the dark box 27 and is continuously conveyed to the position near the egg collecting box, because the controllable egg box switch and the photoelectric sensor B below the controllable egg box switch are both connected with the controller B, the photoelectric sensor B firstly senses that eggs exist in the egg box, signals are transmitted to the controller B, the controller B continuously judges whether the collecting detection result is 1 or 2, if the detection result is 2, the controllable egg box switch does not further act and is in a normally open state, the vertical poking claw 22 of the egg box enters the passing groove 36.4 under the normally open state of the controllable egg box switch, at the moment, the vertical poking claw 22 is pulled outwards, so that the elastic pushing part 21 of the egg box is far away from the fixed part, the eggs fall to the leakage groove 41 below the controllable egg box switch and then enter the egg collecting box a 39; and for the egg box with the detection result marked as 0 or 1, the controller B sends a signal of closing the controllable egg box switch to control the expansion plate 36.3 to retract into the groove body 36.2, at the moment, the vertical pusher dog of the egg box without eggs or with dark spots smoothly bypasses the controllable egg box switch 36 and continues to be conveyed to the position of the egg box switch B37, under the limitation of the running track of the through groove of the egg box switch B, the pusher dog of the egg box pulls the elastic pushing part 21 to be far away from the fixing part 20 after the straight groove enters the arc groove, and the eggs with the dark spots are loosened and smoothly fall into the leakage receiving groove 41 and enter the egg collecting box B. Therefore, the automatic separation of eggs with dark spots and eggs without dark spots is completed, the device can greatly reduce the labor cost and improve the working efficiency.

The above-mentioned specific embodiments can not be regarded as the restriction to the scope of protection of the utility model, to technical personnel in this technical field, it is right the utility model discloses any replacement improvement or transform that embodiment made all fall within the scope of protection of the utility model.

The parts of the present invention not described in detail are the known techniques of those skilled in the art.

Claims (10)

1. An egg shell dark spot detection and sorting device comprises a rack (1), and is characterized in that a feeding device, a conveying device, a dark spot detection device and a sorting device are arranged on the rack;

the feeding device is used for controlling eggs to be sorted to sequentially and singly fall onto the conveying device;

the conveying device is used for fixing and conveying eggs to be sorted to sequentially pass through the dark spot detection device and the sorting device;

the dark spot detection device is used for detecting and distinguishing dark spot eggs and non-dark spot eggs;

the sorting device is used for sorting the dark spot eggs and the non-dark spot eggs which are distinguished by the dark spot detection device into different egg collecting boxes respectively.

2. The egg shell dark spot detecting and sorting device according to claim 1, further comprising an egg receiving box (3) and an egg clamping detecting device (2), wherein the egg receiving box is arranged in the frame (1) between the feeding device and the dark spot detecting device; the egg clamping detection device (2) is arranged in the rack (1) above the egg receiving box; the egg clamping detection device is used for detecting the stability of eggs to be sorted on the conveying device, and the egg receiving box is used for receiving the eggs which are not clamped on the conveying device or are not clamped through the detection of the egg clamping detection device.

3. The egg shell dark spot detecting and sorting device according to claim 1, wherein the feeding device comprises an egg box (7) to be sorted supported above the frame, a gate (9) is arranged on a discharging channel of the egg box to be sorted, the gate is driven by a motor (4), and each time the gate is started, eggs to be sorted pass through the gate individually and enter a discharging port of the egg box (7) to be sorted.

4. The egg shell dark spot detecting and sorting device of claim 1, wherein the conveying device comprises two sprocket shafts (10) arranged on the rack, sprockets (11) are arranged in the rack at two ends of each sprocket shaft, a chain (12) is sleeved on the sprocket at the same side of the two sprocket shafts, one sprocket shaft is driven by a first motor (13) supported on the outer side of the rack, and the chain is driven by the sprocket to circularly convey along the length direction of the rack; an egg box (14) is supported between the two chains; the egg boxes are uniformly arranged at intervals along the conveying direction of the chain; the egg boxes are arranged in a vertically through manner, egg holders for clamping eggs to be sorted are arranged in the egg boxes, and an egg box switch A (15) is arranged in the rack below the feeding device; the egg box switch A is used for limiting the egg clamping device to be turned on when the conveying device is used for feeding, and turned off when the conveying device is used for feeding and deviates from the feeding device; a flat egg support (16) is arranged below the egg box corresponding to the discharge port of the feeding device, and the flat egg support supports eggs before the eggs are clamped by the egg clamp in the egg box.

5. The egg shell dark spot detecting and sorting device of claim 1, wherein the dark spot detecting device comprises a terminal and a shooting device connected with the terminal; the shooting device comprises a dark box (27) arranged in the rack, a shooting camera is fixed on the inner top wall of the dark box and used for shooting the surface of eggs to be sorted on the conveying device below the shooting camera and transmitting the pictures to a terminal for analysis, and information of dark spot eggs and dark spot-free eggs on the conveying device is recorded and stored; and a strong light source (29) corresponding to the shooting camera is arranged below the shooting camera and used for irradiating eggs to be sorted on the conveying device.

6. The egg shell dark spot detection and sorting device according to claim 1, wherein the sorting device comprises an egg collecting box A (39) and an egg collecting box B (40) which are arranged at the outer side of the lower part of the rack, and the egg collecting box A and the egg collecting box B are oppositely arranged in the length direction of the rack (1); the egg collecting box is characterized in that one end of a leakage connecting groove (41) is fixedly connected to an inlet of each egg collecting box, the other end of the leakage connecting groove is fixedly connected with the bottom surface of the rack, the leakage connecting groove is communicated with the inside of the rack, a buffering arc surface (35) is arranged on the bottom wall of the other end of the leakage connecting groove, and the buffering arc surface buffers non-dark-spot eggs or dark-spot eggs which fall from a conveying belt and slide into the leakage connecting groove.

7. The egg shell dark spot detection and sorting device according to any one of claims 3 to 6, further comprising an egg receiving box (3) and an egg clamping detection device (2), wherein the egg receiving box is arranged below a conveyor belt between a discharge port of the feeding device and the dark spot detection device; press from both sides egg detection device and locate in the frame that connects egg case top, press from both sides egg detection device and be used for detecting the steadiness of waiting to sort the egg on conveyor.

8. The egg shell dark spot detection and sorting device according to claim 7, wherein the egg clamping detection device (2) comprises a vertical pushing member arranged in the rack above the egg receiving box, and the vertical pushing member pushes the eggs fixed on the conveying device to detect the stability of the eggs to be sorted on the conveying device.

9. The egg shell dark spot detecting and sorting device according to claim 1 or 2, further comprising a controller A (5) and a controller B (6), wherein the feeding device, the conveying device and the dark spot detecting device are electrically connected to the controller A, respectively, and the controller A is further electrically connected to a first timer (44); the sorting device is electrically connected with the controller B, and the controller B is also electrically connected with a second timer (45).

10. The egg shell dark spot detection and sorting device according to claim 9, wherein said controller a (5) is further electrically connected to an egg clamp detection device (2).

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