Cleaning and sorting assembly line for oyster and cleaning and sorting method

Abstract

The automatic cleaning and sorting assembly line for the oyster comprises a washing mechanism, a large-specification screening mechanism, a friction cleaning mechanism, a dehumidification mechanism and a weight sorting mechanism which are sequentially connected, a high-pressure water gun and a stirrer are arranged in the washing mechanism to wash the oyster, and a discharging opening of the washing mechanism is connected with the large-specification screening mechanism; the large-specification screening mechanism is provided with a mounting frame for preliminarily screening the oyster according to the size, the tail end of the large-specification screening mechanism is connected with the friction cleaning mechanism, the friction cleaning mechanism is provided with brush rollers and can conduct friction cleaning on shells of the oyster, the tail end of the friction cleaning mechanism communicates with the dehumidification mechanism for air drying, and the weight sorting mechanism is arranged at the tail end of the dehumidification mechanism. And sorting the oyster according to the gram weight, and removing the oyster which does not conform to the gram weight.

Description

Technical Field

[0001] The invention belongs to the technical field of seafood pretreatment, and in particular relates to an automatic oyster cleaning and sorting production line. Background Art

[0002] Oysters are scientifically known as oysters, also known as oysters. They belong to the phylum Mollusca, class Bivalvia, order Pearl Oligops. They are the world's largest farmed shellfish and one of the important marine biological resources available to humans. They are a globally distributed species. Oysters are not only delicious and nutritious, but also have unique health functions and medicinal value. They are a kind of seafood treasure with high nutritional value. However, after oysters are fished from the sea, a lot of mud, seaweed, etc. adhere to their shells, so the oyster shells need to be cleaned before they can be sold. At present, there are several problems with the cleaning of oysters:

[0003] First, the commonly used method in the prior art is flushing or ultrasonic cleaning, but this method is difficult to remove the attachments on the oyster shells, and the cleaning degree is not as good as manual scrubbing. However, the efficiency of manual cleaning is low, which greatly wastes human resources;

[0004] Second, some cleaning devices are provided with structures such as bristle brushes, but they often cannot scrub oysters in all directions. Common solutions, such as CN202310764284.0, an oyster cleaning device and a cleaning method thereof, can basically only scrub one side of the oysters;

[0005] Third, there are some oysters that are not up to standard in size and weight, and need to be recycled to the farm or processed in other ways. However, they often need to be tested after the cleaning step, which makes the pre-treatment process of oysters cumbersome and also causes a waste of water and electricity resources.

[0006] Based on the above problems, it is necessary to design an integrated equipment that integrates high-efficiency and high-quality cleaning and sorting to meet the needs of current oyster pretreatment technology. Summary of the invention

[0007] The purpose of the present invention is to provide an automatic cleaning and sorting production line for oysters, aiming to solve the problems in the prior art of low efficiency, poor quality and easy waste of water and electricity in the pre-cleaning work of oysters.

[0008] In order to solve the above problems, the present invention adopts the following technical solutions:

[0009] An automatic oyster cleaning and sorting production line includes a flushing mechanism, a large-size screening mechanism, a friction cleaning mechanism, a dehumidification mechanism, a weight sorting mechanism, a qualified product collection box, a defective product conveyor belt, a defective product recovery box and an electric control box connected in sequence;

[0010] The flushing mechanism includes a flushing bucket and a plurality of high-pressure water guns, wherein the plurality of high-pressure water guns are installed on the inner wall of the flushing bucket, a discharge port and an electric-controlled switch door for opening and closing the discharge port are provided at the bottom of the side wall of the flushing bucket, and an electric-controlled drainage mechanism is provided at the bottom of the flushing bucket;

[0011] The large-size screening mechanism comprises a mounting frame, a plurality of rollers and a roller driving unit. One end of the mounting frame is connected to the outer wall of the flushing bucket corresponding to the discharge port, and the other end is arranged downwardly tilted. The plurality of rollers are sequentially arranged on the mounting frame at intervals along the rolling conveying direction and are rotatably connected thereto. The distance between two adjacent rollers is the length of the oysters of small size to be screened. The roller driving unit is connected to the rollers through a transmission unit.

[0012] The friction cleaning mechanism comprises a frame A, a feed plate, a conveyor belt A, a conveyor belt A driving unit, a plurality of brush rollers and a discharge plate, wherein the feed plate and the discharge plate are mounted at two ends of the frame A along the length direction of the frame A, the conveyor belt A is rotatably mounted on the frame A along the length direction of the frame A, and the two ends are respectively connected with the feed plate and the discharge plate, and are transmission-connected with the driving end of the conveyor belt A driving unit, and the plurality of brush rollers are divided into two groups along the width direction of the conveyor belt A, arranged on both sides of the conveyor belt A, and are rotationally connected with the frame A to form a friction cleaning channel of equal length with the conveyor belt A;

[0013] The feed end of the dehumidification mechanism is connected to the discharge plate;

[0014] The weight sorting mechanism comprises a weight sensor, a sorting flap and a flap controller, wherein the weight sensor is arranged at the bottom of the dehumidifying mechanism near its outlet, the sorting flap is rotatably connected to the discharge port of the dehumidifying mechanism, and the flap controller is electrically connected to the weight sensor and controls the sorting flap to rotate so as to sort out oysters that do not meet the weight requirements;

[0015] The entrance of the qualified product collection box is connected with the end of the sorting flap in the horizontal direction;

[0016] The secondary product conveyor belt includes a secondary product conveyor belt A and a secondary product conveyor belt B connected to the secondary product recovery box, wherein the secondary product conveyor belt A is located below the roller to receive the small-sized oysters that fall, the front end of the secondary product conveyor belt B is connected to the flip end of the sorting flap, and the secondary product conveyor belt A and the secondary product conveyor belt B are connected to the secondary product recovery box at their ends;

[0017] The high-pressure water gun, the electrically controlled drainage mechanism, the roller driving unit, the conveyor belt A driving unit and the flap controller are all connected to the electrical control box by electrical signals.

[0018] The beneficial effect of the present invention is that, through the flushing mechanism, large-scale screening mechanism, friction cleaning mechanism, dehumidification mechanism and weight sorting mechanism connected in sequence, a set of equipment is used to achieve preliminary mud and sand cleaning, preliminary size screening, fine attachment cleaning, surface dehumidification and weight screening of oysters, which not only has high cleaning efficiency and high cleaning quality, but also can do screening while cleaning, and screen out some unqualified individuals in advance, avoiding subsequent waste of water and electricity resources.

[0019] Furthermore, the flushing mechanism also includes an agitator, which includes a drive motor A, a stirring shaft and a plurality of stirring rods. An installation cavity is provided at the bottom of the flushing bucket. The drive motor A is fixed in the installation cavity and is electrically connected to the electrical control box. One end of the stirring shaft is perpendicular and passes through the bottom of the flushing bucket and is fixedly connected to the output shaft of the drive motor A. The plurality of stirring rods are parallel to the bottom of the flushing bucket and one end is fixedly connected to the shaft body of the stirring shaft located in the flushing bucket.

[0020] A further beneficial effect of the present invention is that an agitator is provided to stir the oysters in the washing bucket so that the oysters in the bucket can be fully washed, and the stirring process is conducive to the rapid dissolution of mud and sand in the water and separation from the oyster shells, thereby accelerating the washing efficiency of this step.

[0021] Furthermore, it also includes a flushing basket, which is coaxially sleeved on the stirring shaft, the bottom of which is rotatably connected to the stirring shaft, and the side wall is suspended on the inner wall of the flushing barrel, the side wall and the bottom of the flushing basket are both filter screens, and the bottom of the flushing basket is provided with an electric control switch door, the electric control switch door is connected to the electric control box by electrical signals and the electric control switch door is connected to the discharge port;

[0022] The plurality of high-pressure water guns are evenly distributed along the circumference of the inner wall of the flushing bucket, and the water outlets of the high-pressure water guns have an inclination angle with the central axis of the flushing bucket.

[0023] A further beneficial effect of the present invention is that by arranging a flushing basket and hanging it in the flushing barrel, it helps to separate oysters from muddy water. The flushing basket with a filter will not affect the flushing effect, and the muddy water can directly leak out of the filter. Another beneficial effect is that multiple high-pressure water guns are obliquely distributed in the flushing barrel, and the heavy washing direction is obliquely downward, which helps to form a vortex-like water flow to wash the surface of the oysters and achieve a better flushing effect.

[0024] Furthermore, the large-scale screening mechanism also includes a spring and a vibrator. The other end of the mounting frame is located above the feed plate. Both ends of the spring are respectively connected to the mounting frame and the feed plate. The mounting end of the vibrator is fixedly connected to the feed plate and its vibration end is connected to the mounting frame. The vibrator is connected to the electrical control box by electrical signals.

[0025] A further beneficial effect of the present invention is that the mounting frame is slightly vibrated within the vertical range through the formulation of the vibrator and the spring, which can, on the one hand, assist the oysters to quickly descend along the mounting frame, and on the other hand, disperse the accumulated oysters, making it easier for oysters of unqualified volume to fall through the sieve holes for recovery.

[0026] Furthermore, the friction cleaning mechanism also includes a mounting frame, a driving motor B, a plurality of transmission wheels, a transmission belt and a plurality of driving shafts.

[0027] The mounting frame is fixedly connected to the frame A, the housing of the drive motor B is fixedly connected to the upper end of the mounting frame and is electrically connected to the electric control box, the plurality of transmission wheels are divided into two groups along the width direction of the conveyor belt A and are rotatably connected to the mounting frame in sequence along the length direction of the conveyor belt A, one of the transmission wheels is transmission-connected to the output shaft of the drive motor B, the transmission belt is wound around the plurality of transmission wheels, the plurality of drive shafts correspond to the number of transmission wheels one by one, are perpendicular to the conveyor belt A and fixedly connected to the wheel axle of the transmission wheel, and the brush roller is passed through the drive shaft and fixedly connected to it.

[0028] A further beneficial effect of the present invention is that oysters are transported by conveyor belt A and the surfaces of the oysters are cleaned by friction with brush rollers on both sides of conveyor belt A. The brush rollers on both sides of conveyor belt A can brush both sides of the oyster shells at the same time, and use higher friction to remove objects attached to the oyster shells, thereby further improving the cleanliness of the oysters and ensuring that subsequent weighing is more accurate.

[0029] Furthermore, the friction cleaning mechanism also includes two gathering plates, which are symmetrically arranged on the feed plate and fixedly connected to the upper end surface of the feed plate. The spacing between the two gathering plates gradually decreases along the forward direction of the oysters to allow only a single oyster to pass through, and the conveyor belt A is aligned with the one-way outlet formed by the two gathering plates A.

[0030] A further beneficial effect of the present invention is that by arranging two gathering plates to gather piles of oysters together, and the shape of the two gathering plates is gradually perpendicular to the conveyor belt A to form a one-way outlet, so that each oyster can enter between two rows of brush rollers for friction cleaning, ensuring that each oyster can be cleaned, and both sides of the shell of each oyster can be friction cleaned by a row of brush rollers.

[0031] Furthermore, the dehumidification mechanism includes a conveyor belt B, a shell, multiple fans and a dehumidifier. One end of the conveyor belt B is aligned with the discharge plate. The shell cover is arranged on the conveyor belt B. The shell is respectively provided with a feed door and a discharge door at both ends along the length direction of the conveyor belt B. The multiple fans are installed on the shell.

[0032] A further beneficial effect of the present invention is that the cleaned oysters are quickly dried and dehumidified by providing a dehumidification mechanism, so that the shells of the oysters are not in a wet state, thereby ensuring the accuracy of the subsequent weighing process.

[0033] Furthermore, the flap control assembly includes a controller and a cylinder. The flap is rotatably connected to a frame at the end of the conveyor belt B. The cylinder is located below the flap, with its fixed end fixedly connected to the frame and its telescopic end hinged to the lower end surface of the flap. The cylinder is electrically connected to the controller, and the controller is connected to the weight sensor signal.

[0034] A further beneficial effect of the present invention is that the flap is driven to flip by the cylinder, and when the weight sensor measures that the weight of the oysters does not meet the standard, the signal is transmitted to the controller to control the cylinder to contract and rotate the flap downward, thereby changing the discharge direction and achieving sorting according to the weight of the oysters.

[0035] Further, the method includes a photoelectric sensor and two telescopic push rods,

[0036] The photoelectric sensor is installed on the discharge plate; the two groups of telescopic push rods are staggered in front of the photoelectric sensor along the forward direction of the oysters and are respectively installed on both sides of the discharge plate. The two telescopic push rods divide a single row of oysters into multiple rows along the width direction of the discharge plate, and the weight sorting mechanisms are correspondingly arranged in multiple numbers.

[0037] A further beneficial effect of the present invention is that, by setting up a mechanism, the oysters originally transported in a single row are divided into multiple rows and enter the dehumidification mechanism, thereby improving the air drying efficiency and saving space, and setting a corresponding number of weight sorting mechanisms according to the number of rows divided by the mechanism, which further improves the efficiency of weight sorting.

[0038] An automatic oyster cleaning and sorting method is implemented by the aforementioned automatic oyster cleaning and sorting production line, comprising the following steps:

[0039] Step 1: Pour the oysters into the washing bucket, stir and wash them to remove mud and some water-soluble dirt;

[0040] Step 2: Open the discharge port of the flushing barrel, and the oysters reach the installation frame through the discharge port and move along the drum. The oysters that are too small leak out from the gap between the adjacent drums and fall onto the inferior product conveyor belt A to be transported to the inferior product recovery box;

[0041] Step 3: The oysters are moved to the feed plate, moved along the conveyor belt A, and passed through the friction cleaning channel formed by two groups of brush rollers to scrub away dirt attached to the shells of the oysters;

[0042] Step 4: the oysters move along the conveyor belt A to the material plate and then enter the dehumidification mechanism for drying and dehumidification;

[0043] Step 5: At the end of the dehumidification mechanism, a weight sensor is used to detect the weight, and a signal is transmitted to a flap controller to control the rotation of the sorting flap to change the discharging direction;

[0044] Step 6: Oysters that meet the quality standards are put into the qualified product collection box and enter the subsequent processing flow. Oysters that fail to meet the quality standards fall onto the inferior product conveyor belt B and are transported to the inferior product recovery box.

[0045] The present invention also provides an automatic cleaning and sorting method for oysters, which sequentially performs mud and sand washing, preliminary volume sorting, shell fine washing, drying and precise weight sorting on the oysters. The obtained oysters have high cleanliness, and their volume and gram weight meet high quality standards. The whole process is automated, which saves manpower, and the cleaning and sorting are performed alternately, so that a portion of unqualified products can be screened out in advance, saving subsequent water and electricity resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0046] Figure 1 The overall schematic diagram of an automatic oyster cleaning and sorting production line provided by the present invention;

[0047] Figure 2 A side sectional view of an automatic oyster cleaning and sorting production line provided by the present invention;

[0048] Figure 3 for Figure 1 The enlarged schematic diagram of point A in the middle;

[0049] Figure 4 for Figure 1 The enlarged schematic diagram of point B in the middle;

[0050] Figure 5 for Figure 1 The enlarged schematic diagram of the center C;

[0051] Figure 6 for Figure 1 Enlarged schematic diagram of point D in the middle.

[0052] Reference numerals

[0053] 1. Flushing mechanism; 110. Flushing bucket; 120. High-pressure water gun; 130. Agitator; 131. Driving motor A; 132. Agitator shaft; 133. Agitator rod; 140. Flushing basket;

[0054] 2. Large-size screening mechanism; 210. Mounting frame; 220. Roller; 230. Spring; 240. Vibrator;

[0055] 3. Friction cleaning mechanism; 310. Frame A; 320. Feed plate; 330. Conveyor belt A; 340. Brush roller; 350. Discharge plate; 361. Mounting frame; 362. Drive motor B; 363. Drive wheel; 364. Drive belt; 365. Drive shaft; 370. Gathering plate;

[0056] 4. Dehumidification mechanism; 410. Frame B; 420. Conveyor belt B; 430. Casing; 440. Fan;

[0057] 5. Weight sorting mechanism; 510. Turning plate; 520. Cylinder;

[0058] 6. Collection box for qualified products;

[0059] 710, telescopic push rod;

[0060] 8. Secondary product conveyor belt A;

[0061] 9. Second-grade product conveyor belt B. DETAILED DESCRIPTION

[0062] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0063] like Figure 1 As shown, the present invention provides an automatic oyster cleaning and sorting production line, comprising a flushing mechanism 1, a large-size screening mechanism 2, a friction cleaning mechanism 3, a dehumidification mechanism 4, a weight sorting mechanism 5, a qualified product collection box 6, a secondary product conveyor belt, a secondary product collection box and an electric control box, which are connected in sequence.

[0064] The flushing mechanism 1 is the starting point of the entire assembly line, mainly including a flushing barrel 110 and a plurality of high-pressure water guns 120. The upper end of the flushing barrel 110 is open, into which the caught oysters can be directly thrown. The plurality of high-pressure water guns 120 are installed on the side wall of the flushing barrel 110, and can spray high-pressure water into the barrel to preliminarily flush and rinse the oysters. A discharge port and an electrically controlled switch door for controlling the opening and closing of the discharge port are provided at the bottom of the side wall of the flushing barrel 110, and an electrically controlled drainage mechanism is provided at the bottom of the flushing barrel 110 for draining water and discharging sediment. A filter can also be installed in the discharge port to prevent sediment from being discharged along with the oysters. In order to automatically monitor the sediment content in the barrel, a turbidity detector can also be installed on the inner wall of the barrel.

[0065] The large-scale screening mechanism 2 mainly includes a mounting frame 210, one end of which is connected to the discharge port of the flushing barrel 110. The oysters discharged from the discharge port continue to be transported forward through the inclined mounting frame 210. A plurality of rollers 220 are provided on the mounting frame 210 in the direction of the oysters. The plurality of rollers 220 are arranged at intervals and driven by a roller driving unit for rolling and transporting oysters. The structure and driving method of the roller driving unit are not limited. The gaps between adjacent rollers 220 are used to screen out smaller oysters to complete the preliminary sorting of oysters. Oysters of qualified size will continue to move forward for subsequent processing, and oysters of unqualified size will be collected below the mounting frame 210, recycled for cultivation or transferred to other processing processes.

[0066] The friction cleaning mechanism 3 includes a frame A310, a feed plate 320, a conveyor belt A330, a plurality of brush rollers 340 and a discharge plate 350. The frame A310 is a rectangular long strip frame. The feed plate 320 and the discharge plate 350 are respectively installed at both ends of the frame A310 along the length direction of the frame A310. The feed plate 320 is arranged obliquely, and one end is connected with the mounting frame 210 to receive the oysters of qualified size transported from the mounting frame 210 and transport them into the frame A310. The conveyor belt A330 is rotated along the length direction of the frame A310 and is assembled on the frame A310. On the conveyor belt A, driven by the driving part of the conveyor belt A, a plurality of brush rollers 340 are divided into two groups and arranged on both sides of the conveyor belt A330 along the width direction of the conveyor belt A330, forming a friction cleaning channel with the same length as the conveyor belt A330. The starting point of the conveyor belt A330 is connected to the feed plate 320. After passing through the feed plate 320, the oysters directly fall on the conveyor belt A330 and continue to move forward along the conveyor belt A330. In the process of moving forward, the shells of the oysters rub against the brush rollers 340, thereby removing the attachments on the shells that cannot be washed off, such as seaweed or small sand and stones embedded in the gaps of the oyster shells.

[0067] The discharge plate 350 of the friction cleaning mechanism 3 is arranged at an angle and connected to the inlet of the dehumidification mechanism 4. The dehumidification mechanism 4 is used to dry the shells of the oysters after two washes to remove moisture from the shells of the oysters for subsequent weighing.

[0068] The weight sorting mechanism 5 includes a weight sensor, a sorting flap 510 and a flap controller. The weight sensor is arranged near the exit of the dehumidification mechanism 4. After the transported oysters pass through, the weight sensor will obtain their gram weight and transmit the electrical signal to the flap control component. The flap controller then controls the rotation of the sorting flap 510 to sort the oysters by weight. Oysters with qualified weight will be transported to the qualified product collection box 6.

[0069] The recovery of unqualified oysters relies on the secondary product conveyor belt, which includes the secondary product conveyor belt A8 and the secondary product conveyor belt B9, which are respectively arranged under the weight sorting mechanism 5 and the large-size screening mechanism 2, and are used to receive the unqualified products sorted out and transport them to the secondary product collection box.

[0070] The electric control box is responsible for the overall control of the above-mentioned assembly line. All the switch doors, various conveyor belts, high-pressure water guns 120 and their respective drive parts are controlled by the electric control box to achieve automation.

[0071] To further improve the technical solution, the flushing mechanism 1 also includes an agitator 130, which includes a drive motor A131, a stirring shaft 132 and multiple stirring rods 133. An installation cavity is provided at the bottom of the flushing barrel 110, specifically, an installation cavity is formed with the bottom of the flushing barrel 110 through a partition. The drive motor A131 is located in the installation cavity, and the casing is bolted to the bottom of the flushing barrel 110. One end of the stirring shaft 132 is vertical and passes through the above-mentioned partition and is connected to the output shaft of the drive motor A131 through a bearing and a sleeve. Three stirring rods 133 are arranged horizontally, and one end is fixedly connected to the stirring shaft 132 through a sleeve and bolts. After starting the drive motor A131, the stirring rod 133 rotates in the flushing barrel 110 and continuously stirs the oysters in the flushing barrel 110.

[0072] To further improve the technical solution, the flushing mechanism 1 also includes a flushing basket 140, which is similar in shape to the flushing barrel 110 and is coaxially sleeved on the stirring shaft 132. The bottom of the flushing basket 140 is rotatably connected to the shaft of the stirring shaft 132 located below the stirring rod 133 through a bearing, and the side wall is suspended on the inner wall of the flushing barrel 110 through multiple connecting rods. The side wall and bottom of the flushing basket 140 are both mesh structures, and the bottom of the flushing basket 140 is provided with a downward-type electric-controlled switch door. When the switch door is lowered, it can overlap with the discharge port of the flushing barrel 110 to form a bridge, and the stirring rod 133 can assist in pushing the oysters through the opening of the flushing basket 140. In addition, multiple high-pressure water guns 120 are evenly distributed along the circumference of the inner wall of the flushing barrel 110, and the water outlets of all high-pressure water guns 120 have an inclination angle with the central axis and the horizontal plane of the flushing barrel 110 at the same time, so that the high-pressure water guns 120 can form a vortex-shaped water flow in the barrel while ejecting high-pressure water flow into the barrel.

[0073] To further improve the technical solution, the large-scale screening mechanism 2 also includes a spring 230 and a vibrator 240. One end of the mounting frame 210 is hinged to the discharge port of the flushing bucket 110, and the other end is located above the feed plate 320 of the friction cleaning mechanism 3. The spring 230 is installed between the mounting frame 210 and the feed plate 320. The vibrator 240 is installed at the edge of the feed plate 320 to intermittently vibrate the mounting frame 210 upward. Specifically, the vibrator 240 can be a vibration motor or a cam mechanism, etc., which can intermittently hit the mounting frame 210 connected to one end of the spring 230.

[0074] To further improve the technical solution, the friction cleaning mechanism 3 also includes a mounting frame 361, on which a driving motor B362, a plurality of transmission wheels 363, a transmission belt 364 and a plurality of driving shafts 365 are mounted.

[0075] The mounting frame 361 is welded on the frame, coincides with the position of the brush roller 340, and is of the same length as the conveyor belt A330. The casing of the driving motor B362 is bolted to the mounting frame 361. A plurality of transmission wheels 363 are connected to the mounting frame 361 and rotate in sequence along the length direction of the mounting frame 361. One of the transmission wheels 363 is sleeved on the motor shaft of the driving motor B362. The transmission belt 364 is arranged around the outside of all the transmission wheels 363 to realize transmission. Each transmission wheel 363 corresponds to a driving shaft 365. The driving shaft 365 is vertically connected to the conveyor belt A330 and is fixedly connected to the wheel axle of the driving wheel 363 downward. A brush roller 340 is installed on each driving shaft 365.

[0076] To further improve the technical solution, the friction cleaning mechanism 3 also includes a gathering plate 370. The gathering plates 370 are two pieces, symmetrically arranged and welded on the feed plate 320. The surface of the gathering plate 370 has an inclined surface that naturally transitions from the surface of the feed plate 320 to the surface of the feed plate 320 perpendicular to the forward direction of the oysters, and the spacing between the two gathering plates 370 gradually decreases along the forward direction of the oysters to form a single outlet that only allows a single oyster to pass through in an upright state. The two brush rollers 340 located at the starting end of the conveyor belt A330 are connected to the outlet, and the width of the cleaning channel formed by the brush rollers 340 is adapted to the width of the single outlet to ensure that the oysters are always in an upright state during the transportation process. In addition, a conveyor belt that fits the inclined surface and has a certain inclination angle can be set on the inclined surface of the gathering plate 370, and the auxiliary inclined surface converts all oysters into a vertical posture to enter the friction cleaning channel.

[0077] To further improve the technical solution, the dehumidification mechanism 4 includes a frame B410, a conveyor belt B420, a shell 430 and multiple fans 440. The frame B410 is arranged behind the frame A310 along the oyster transportation direction. The conveyor belt B420 is rotatably assembled on the frame B410 along the length direction and is driven by the conveyor belt B driving part. One end is aligned with the discharge plate 350. The shell 430 cover is arranged on the outside of the conveyor belt B420, and the lower end is bolted to the frame B410. A feed door and a discharge door are respectively provided at both ends along the length direction of the conveyor belt B420, and multiple fans 440 are installed on the side walls of the shell 430.

[0078] To further improve the technical solution, the weight sorting mechanism 5 also includes a cylinder 520. The flap 510 is rotatably connected to the end of the frame B410 through a U-shaped frame and is flush with the terminal end of the conveyor belt B420. The cylinder 520 is located below the flap 510. The casing at the fixed end is bolted to the frame B410. The movable end is hinged to the lower end surface of the flap 510. The cylinder 520 is electrically connected to the flap controller. The flap controller receives the signal from the weight sensor and controls the cylinder 520 to remain stationary or retract the movable end according to the measured gram weight and the rated gram weight to drive the sorting flap 510 to rotate downward.

[0079] In order to further improve the technical solution, it also includes a distribution mechanism, including a photoelectric sensor, a telescopic push rod controller and two telescopic push rods 710. The photoelectric sensor is installed on one side of the upper end surface of the discharge plate 350. The two groups of telescopic push rods 710 are staggered in front of the photoelectric sensor along the forward direction of the oysters. The casings of the mounting ends are bolted to the two sides of the discharge plate 350 respectively, and the telescopic rod heads are arranged facing each other. The single row of oysters is divided into multiple rows according to the settings, and multiple weight sorting mechanisms 5 are correspondingly arranged at the end of the frame B410.

[0080] The present invention also discloses an automatic oyster cleaning and sorting method, comprising the following steps:

[0081] Step 1: Pour the oysters into the washing bucket 110, stir and wash them, and remove the mud and some dirt that is easily soluble in water;

[0082] Step 2: Open the discharge port of the flushing barrel 110, and the oysters reach the installation frame 210 through the discharge port, move along the installation frame 210, and the oysters that are too small leak out from the sieve holes of the installation frame 210;

[0083] Step 3: The oysters pass through the mounting frame 210 to the feed plate 320 of the friction cleaning mechanism 3, and then pass through the channel formed by the two sets of brush rollers 340 to clean the dirt attached to the oyster shell 430;

[0084] Step 4: the oysters are moved along the conveyor belt A330 to the discharge plate 350 and then enter the dehumidification mechanism 4 through the conveyor belt B420 for drying and dehumidification;

[0085] Step 5: Perform a weight test at the end of the dehumidification mechanism 4, and remove the oysters that do not meet the weight standard through the flap 510;

[0086] Step six, qualified oysters are passed into qualified product collection box 6 and enter the subsequent processing flow.

[0087] Specifically, in step one, the caught oysters are placed in the washing basket 140, and the high-pressure water gun 120 and the drive motor A131 are started. The high-pressure water gun 120 is tilted to eject high-pressure water into the barrel and form a vortex-shaped water flow. At this time, the stirring shaft 132 rotates rapidly, and the stirring rod 133 quickly flattens the oysters placed in the washing basket 140 to facilitate washing away the mud and sand. At this time, the electrically controlled drainage mechanism of the washing barrel 110 is in an open state, and the discharge port is in a closed state. After a period of time, the mud and sand content in the water decreases, and the electrically controlled drainage mechanism is closed. At this time, the water level begins to rise. After reaching the predetermined water line, the high-pressure water gun 120 is closed, and the stirring shaft 132 rotates slowly to soak and rinse the oysters. After a period of time, the electrically controlled drainage mechanism is reopened to drain the water, and the switch door of the washing basket 140 is lowered. With the assistance of the stirring rod 133, the oysters are discharged from the discharge port of the washing barrel 110.

[0088] Specifically, in step 2, the gap between the rollers is set to 20CM. When the discharge port of the flushing barrel 110 is opened, the vibrator 240 is started to intermittently hit the mounting frame 210, and the spring 230 is used to make the mounting frame 210 vibrate up and down regularly, so that the oysters gathered together can be quickly dispersed, and the oysters stuck in the cylinder seam can be vibrated out by vibration.

[0089] Specifically, in step three, the oysters sorted by volume fall from the mounting frame 210 onto the feed plate 320, and continue to slide along the feed plate 320 toward the frame A310. After passing through the gathering plate 370, they enter the cleaning channel formed by the brush roller 340 in an upright position individually, and continue to be transported via the conveyor belt A330. The brush rollers 340 on both sides rotate under the drive of the drive motor B362 to rub and clean the shells of the oysters, and the spray device is intermittently started to rinse the brush rollers 340.

[0090] Specifically, in step four, the oysters sent out from the cleaning channel are in a single row and continue to move forward through the discharge plate 350. During the movement, individual oysters will pass through the photoelectric sensor in turn. The photoelectric sensor transmits the information of the oysters passing through to the electric push rod controller in turn. The electric push rod controller starts the two electric push rods alternately according to the set program when the oysters pass through the electric push rods, and divides the oysters originally transported in a single row into three rows. The propulsion distance of the electric push rod can also be further limited to perform more detailed differentiation.

[0091] Specifically, in step five, multiple rows of oysters are transported along the conveyor belt B420, and the weight is measured by different weight sensors near the exit of the channel. The weight sensor transmits the obtained weight electrical signal to the flap controller, and the flap controller compares the obtained data with the set rated data. When the measured weight is less than the rated weight, the cylinder 520 is started to retract, and the sorting flap 510 is controlled to rotate downward to change the discharge direction, and the unqualified oysters are collected separately. When the measured weight is greater than or equal to the rated weight, the oysters are transported to the end of the conveyor belt B420 and enter the qualified product collection box 6 via the horizontal sorting flap 510.

[0092] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. An automatic oyster cleaning and sorting line, characterized in that: It comprises a flushing mechanism (1), a large-size screening mechanism (2), a friction cleaning mechanism (3), a dehumidification mechanism (4), a weight sorting mechanism (5), a qualified product collection box (6), a secondary product conveyor belt, a secondary product recovery box and an electric control box which are connected in sequence; The flushing mechanism (1) comprises a flushing bucket (110) and a plurality of high-pressure water guns (120), wherein the plurality of high-pressure water guns (120) are installed on the inner wall of the flushing bucket (110), a discharge port and an electrically controlled switch door for opening and closing the discharge port are provided at the bottom of the side wall of the flushing bucket (110), and an electrically controlled drainage mechanism is provided at the bottom of the flushing bucket (110); The large-size screening mechanism (2) comprises a mounting frame (210), a plurality of rollers (220) and a roller driving unit, wherein one end of the mounting frame (210) is connected to the outer wall of the flushing bucket (110) corresponding to the discharge port, and the other end is arranged downwardly inclined, and the plurality of rollers (220) are sequentially arranged on the mounting frame (210) at intervals along the rolling conveying direction thereof and are rotatably connected thereto, and the distance between two adjacent rollers (220) is the length of the oysters of small size to be screened; and the roller driving unit is transmission-connected to the rollers (220) via a transmission unit; The friction cleaning mechanism (3) comprises a frame A (310), a feed plate (320), a conveyor belt A (330), a conveyor belt A driving unit, a plurality of brush rollers (340) and a discharge plate (350), wherein the feed plate (320) and the discharge plate (350) are mounted at two ends of the frame A (310) along the length direction of the frame A (310), the conveyor belt A (330) is rotatably mounted on the frame A (310) along the length direction of the frame A (310), and the two ends are respectively connected with the feed plate (320) and the discharge plate (350), and are transmission-connected with the driving end of the conveyor belt A driving unit, and the plurality of brush rollers (340) are divided into two groups along the width direction of the conveyor belt A (330) and arranged on both sides of the conveyor belt A (330) and are rotationally connected with the frame A (310) to form a friction cleaning channel of equal length with the conveyor belt A (330); The feed end of the dehumidification mechanism (4) is connected to the discharge plate (350); The weight sorting mechanism (5) comprises a weight sensor, a sorting flap (510) and a flap controller, wherein the weight sensor is arranged at the bottom of the dehumidifying mechanism (4) near its outlet, the sorting flap (510) is rotatably connected to the discharge port of the dehumidifying mechanism (4), and the flap controller is electrically connected to the weight sensor and controls the sorting flap (510) to rotate so as to sort out oysters that do not meet the weight requirements; The entrance of the qualified product collection box (6) is connected to the end of the sorting flap (510) in the horizontal direction; The secondary product conveyor belt comprises a secondary product conveyor belt A (8) connected to the secondary product recovery box and a secondary product conveyor belt B (9), wherein the secondary product conveyor belt B (9) is located below the roller (220) to receive the small-sized oysters that fall, and the front end of the secondary product conveyor belt A (8) is connected to the flip end of the sorting flap (510); The high-pressure water gun (120), the electrically controlled drainage mechanism, the roller driving unit, the conveyor belt A driving unit and the flap controller are all electrically connected to the electrical control box.

2. The automatic oyster cleaning and sorting production line according to claim 1 is characterized in that: The flushing mechanism (1) further comprises an agitator (130), The agitator (130) comprises a driving motor A (131), a stirring shaft (132) and a plurality of stirring rods (133); a mounting cavity is provided at the bottom of the flushing bucket (110); the driving motor A (131) is fixed in the mounting cavity and is electrically connected to the electric control box; one end of the stirring shaft (132) is perpendicular and passes through the bottom of the flushing bucket (110) and is fixedly connected to the output shaft of the driving motor A (131); the plurality of stirring rods (133) are parallel to the bottom of the flushing bucket (110) and one end of the stirring rods (133) is fixedly connected to the shaft body of the stirring shaft (132) located in the flushing bucket (110).

3. The automatic oyster cleaning and sorting line according to claim 2 is characterized in that: The flushing mechanism (1) further comprises a flushing basket (140), The flushing basket (140) is coaxially sleeved on the stirring shaft (132), the bottom of which is rotatably connected to the shaft body of the stirring shaft (132) located below the stirring rod (133), and the side wall is suspended on the inner wall of the flushing bucket (110) through a plurality of connecting rods. The side wall and the bottom of the flushing basket (140) are both filter screens, and an electric control switch door is provided at the bottom of the flushing basket (140), the electric control switch door is connected to the electric control box by electrical signals, and the electric control switch door is connected to the discharge port; The plurality of high-pressure water guns (120) are evenly distributed along the circumference of the inner wall of the flushing bucket (110), and the water outlets of the high-pressure water guns (120) have an inclination angle with the central axis of the flushing bucket (110).

4. The automatic oyster cleaning and sorting production line according to claim 1 is characterized in that: The large-scale screening mechanism (2) further comprises a spring (230) and a vibrator (240). The other end of the mounting frame (210) is located above the feed plate (320), and the two ends of the spring (230) are respectively connected to the mounting frame (210) and the feed plate (320), the mounting end of the vibrator (240) is fixedly connected to the feed plate (320) and the vibration end thereof is connected to the mounting frame (210), and the vibrator (240) is connected to the electric control box via an electrical signal.

5. The automatic oyster cleaning and sorting production line according to claim 1 is characterized in that: The friction cleaning mechanism (3) further comprises a mounting frame (361), a driving motor B (362), a plurality of transmission wheels (363), a transmission belt (364) and a plurality of driving shafts (365). The mounting frame (361) is fixedly connected to the frame A (310); the housing of the driving motor B (362) is fixedly connected to the upper end of the mounting frame (361) and is electrically connected to the electric control box; a plurality of transmission wheels (363) are divided into two groups along the width direction of the conveyor belt A (330) and are rotatably connected to the mounting frame (361) in sequence along the length direction of the conveyor belt A (330); one of the transmission wheels (363) is transmission-connected to the output shaft of the driving motor B (362); the transmission belt (364) is wound around the plurality of transmission wheels (363); a plurality of driving shafts (365) correspond to the number of the transmission wheels (363) in a one-to-one manner, are perpendicular to the conveyor belt A (330) and are fixedly connected to the wheel axles of the transmission wheels (363); and the brush roller (340) is passed through the driving shaft (365) and is fixedly connected to the same.

6. The automatic oyster cleaning and sorting line according to claim 1 is characterized in that: The friction cleaning mechanism (3) further comprises a gathering plate (370), The gathering plates (370) are in two pieces, symmetrically arranged on the feed plate (320) and fixedly connected to the upper end surface of the feed plate (320). The distance between the two gathering plates (370) gradually decreases along the transportation direction of the oysters until an outlet is formed that only allows a single oyster to pass through. The starting end of the conveyor belt A (330) is connected to the outlet.

7. The automatic oyster cleaning and sorting line according to claim 1 is characterized in that: The dehumidification mechanism (4) comprises a frame B (410), a conveyor belt B (420), a conveyor belt B driving unit, a housing (430) and a plurality of fans (440). The frame B (410) is arranged in front of the frame A (310) in the conveying direction along the advancing direction of the oysters; the conveyor belt B (420) is rotatably mounted on the frame B (410) along the length direction of the frame B (410) and is transmission-connected to the driving end of the driving part of the conveyor belt B; the starting end is connected to the discharge plate (350); the driving part of the conveyor belt B is electrically connected to the electric control box; the housing (430) is covered above the conveyor belt B (420); the bottom of the housing (430) is fixedly connected to the upper end surface of the frame B (410); the housing (430) is provided with an electrically controlled feeding door and an electrically controlled discharging door at both ends along the length direction of the conveyor belt B (420); a plurality of fans (440) are mounted on the side wall of the housing (430) and the plurality of fans (440) are electrically connected to the electric control box.

8. The automatic oyster cleaning and sorting line according to claim 7 is characterized in that: The weight sorting mechanism further comprises a cylinder (520), The sorting flap (510) is located at the terminal end of the conveyor belt B (420), and one end is rotatably connected to the frame B (410). The cylinder (520) is located below the sorting flap (510), and its fixed end is fixedly connected to the frame B (410), and its movable end is hinged to the lower end surface of the sorting flap (510). The cylinder (520) is electrically connected to the flap controller.

9. The automatic oyster cleaning and sorting production line according to claim 6 is characterized in that: It also includes a distribution mechanism, which includes a photoelectric sensor, a telescopic push rod controller and two telescopic push rods (710). The photoelectric sensor is mounted on the discharge plate (350); two groups of telescopic push rods (710) are arranged in front of the photoelectric sensor in a staggered manner along the conveying direction, and their mounting ends are respectively fixedly connected to the edges on both sides of the discharge plate (350); the telescopic push rod controller is connected to the photoelectric sensor signal and is electrically connected to the two telescopic push rods (710) to control the telescopic push rods to push a single row of oysters into multiple rows along the width direction of the discharge plate (350); and the weight sorting mechanism (5) is provided with multiple corresponding conveying paths for the multiple rows of oysters.

10. An automatic oyster cleaning and sorting method, characterized in that: The automatic oyster cleaning and sorting production line according to any one of claims 1 to 9 is implemented, comprising the following steps: Step 1: Pour the oysters into the washing bucket (110), stir and wash them to remove mud and some dirt that is easily soluble in water; Step 2: Open the discharge port of the flushing barrel (110), and the oysters reach the installation frame (210) through the discharge port and move along the roller (220). The oysters that are too small leak out from the gap between the adjacent rollers (220) and fall onto the inferior product conveyor belt A (8) to be transported to the inferior product recovery box; Step 3: the oysters are moved to the feed plate (320), moved along the conveyor belt A (330), and passed through the friction cleaning channel formed by the two groups of brush rollers (340) to scrub away dirt attached to the shells of the oysters; Step 4: the oysters move along the conveyor belt A (330) to the material plate (350) and then enter the dehumidification mechanism (4) for drying and dehumidification; Step 5: At the end of the dehumidification mechanism (4), a weight sensor is used to detect the weight, and a signal is transmitted to a flap controller to control the rotation of the sorting flap (510) to change the discharge direction; Step 6: The oysters that meet the quality standards are placed in the quality product collection box (6) and enter the subsequent processing flow. The oysters that do not meet the quality standards fall onto the inferior product conveyor belt B (9) and are transported to the inferior product recovery box.

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