43results about "Shellfish/bivalves grading/classification" patented technology

The invention discloses a combined mudflat shellfish catching device and method. The combined mudflat shellfish catching device is mainly composed of a rack, a walking module, a catching module, a leaked sand cleaning module and a conveying module. The walking modules are installed on the two sides of the rack and responsible for walking and steering of the rack. The catching module comprises a roller soil breaker and a rolling shovel picker, and the roller soil breaker passively rotates along with advancing of the device and is used for pre-loosening soil; the rolling shovel picker actively and reversely rotates to shovel shellfish and surface sandy soil; the leaked sand cleaning module is composed of a vibration cleaning sieve, a planar four-bar mechanism and a vibration motor, screening and cleaning actions are driven by the vibration motor, and shellfish and sandy soil are subjected to hydraulic scouring by a cleaning nozzle; the conveying module comprises a hollow transverse conveying belt and an inclined conveying belt, the transverse conveying belt filters damaged or unqualified shellfish, and the inclined conveying belt lifts qualified shellfish to a rear collecting area. According to the device, the functions of soil loosening, picking, screening, cleaning and conveying are achieved through modular design, and the device is suitable for efficient catching operation of mud flat shellfishes.

The invention belongs to the field of field snail processing, and particularly relates to a field snail processing sorting device which comprises a base frame, a sorting barrel arranged at one end of the top of the base frame in a sliding mode, a feeding pipe fixed to one end of the top of the sorting barrel in a communicating mode, a plurality of sealing doors installed at one end of the peripheral face of the sorting barrel and a multi-stage sorting and drying mechanism for sorting field snails. The multi-stage sorting and drying mechanism comprises a screening assembly and an air blowing assembly. According to the river snail sorting device, the screening assembly can sort river snails of different sizes, so that the river snails in different size ranges can be located at different heights, the river snails at different heights can be taken out by opening the sealing door, and in the process, the air blowing assembly can ensure that the interior of the sorting barrel is not excessively wet; therefore, the situation that excessive water residues promote protein decomposition of the escargots to generate low-level amine substances is prevented, and the processing effect of the escargots is improved.

The sorting systems and methods described herein provide for sorting of prawns. The sorting system may be combined with a delivery system. The sorting system employs rotating slide pairs and optional guide chutes to deliver shrimps to selected delivery locations.

A crab processor is adapted to be supported by a bucket defining a rim and an inner diameter, the crab processor comprising a main portion, a first support portion, and a second support portion. The first and second portions are attached to the main portion such that the first and second support portions define first and second portions of the main portion and a distance defined by the second portion of the main portion is less than the inner diameter of the bucket. The first and second support portions engage the rim of the bucket to support the crab processor in a desired orientation relative to the bucket.

The present invention relates to the technical field of dehydration equipment, and in particular to a clam dehydration equipment, comprising a machine base, a belt conveyor assembly for conveying clam meat provided in the machine base, a hot air dryer installed on the top right side of the machine base, a material guide frame connected to the top left side of the machine base, a lower hopper installed on the top left side of the material guide frame, a screen installed in an inclined manner with the left side higher than the right side in the material guide frame, and two upper and lower material guide plates connected to the material guide frame. The clam meat on the screen can be intermittently put in by the up and down movement of the baffle plate, avoiding accumulation and overlap caused by excessive putting of clam meat, and the clam meat of different sizes can be screened by the screen. The clam meat of different sizes screened by the screen can be guided to the front and rear independent conveying areas of the belt conveyor assembly by the upper and lower material guide plates, thereby achieving the size classification of the clam meat and avoiding the mixed dehydration of clam meat of different sizes, thereby improving the quality consistency of the product, as well as the controllable and continuous processing.

The present application relates to crayfish processing technical field, disclose a kind of crayfish cleaning equipment, including cleaning machine and the conveyer belt being arranged below the cleaning machine, the brush washing subassembly is arranged in the cleaning machine, the brush washing subassembly includes several cleaning roller groups, rotation gear is coaxially arranged at the end of the cleaning roller group, arc-shaped rack is arranged in the cleaning machine, and rotation driving part for driving the rotation of the arc-shaped rack, the rotation gear is engaged with the arc-shaped rack. The present application can realize crayfish automatic cleaning and screening process.

The invention discloses a lobster size sorting device which solves the problem that lobsters cannot stay in a first-stage grading device for a long time, and the sorting accuracy is influenced. The lobster size sorting device comprises a base, a supporting frame is fixedly installed at the top end of the base, and a lobster sorting assembly is arranged on one side of the supporting frame; the lobster sorting assembly is located above the base, a receiving box is placed below the lobster sorting assembly, the lobster sorting assembly comprises a circular plate arranged on one side of the supporting frame, and a first sorting area, a second sorting area and a third sorting area are sequentially arranged on the side, away from the supporting frame, of the circular plate at equal angles; the first sorting area, the second sorting area and the third sorting area are all composed of sorting rollers which are evenly arranged. According to the lobster sorting device, in the working process, the first sorting area, the second sorting area and the third sorting area are all composed of the sorting rollers which are evenly arranged, and lobsters of different sizes are sorted.

The invention discloses an aquatic product rapid detection and grading sorting integrated device, and relates to the technical field of aquatic product detection equipment. The device comprises a base, a rotating seat is movably connected to the top of the base, and a fixed disc is mounted at the top of the rotating seat; a weighing assembly is arranged on one side of the fixing disc and comprises an adjusting groove formed in the fixing disc. Through the design of integrating the weighing assembly, the discharging assembly and the screening assembly, the sorting efficiency and accuracy of the aquatic products are remarkably improved, the weighing assembly weighs the aquatic products in real time through a weighing sensor, the sorting accuracy is ensured, the discharging assembly achieves rapid classification and discharging of the aquatic products through cooperation of an air cylinder and a push plate, and the screening efficiency is improved. According to the screening assembly, through the design of a rotating pipe and a screening shell, the aquatic products are effectively screened according to the size, the structural movement works cooperatively, the classification accuracy and consistency of the aquatic products are ensured, and the requirement of the market for the high-quality aquatic products is met.

The application discloses a kind of intelligent shelling robot, including temporary storage mechanism, vibrating disk mechanism and shelling station, the shelling station includes mesa and multi-station carousel assembly, the mesa is at least arranged with first station, second station, third station, fourth station, fifth station and sixth station around the multi-station carousel assembly, a group of clamp assemblies is respectively arranged in each station, and multiple groups of the clamp assemblies are connected with cam mechanism arranged in the middle of the multi-station carousel assembly;The intelligent shelling robot can classify and process and transport shelled shrimp to be shelled by the arrangement of the temporary storage mechanism, the vibrating disk mechanism, carousel assembly and multiple stations, can automatically complete the operation of cleaning, decapitation, opening back, removing shrimp line, shelling and other shelling operations, without manual operation, so that batch shelling is convenient and fast.

The invention belongs to the technical field of lobster screening, and particularly relates to a classified screening device for lobster processing, which comprises a screening box, rubber pads are fixedly connected to four corners of the bottom of the screening box, a screening groove is formed in the screening box, and the upper surface in the screening groove extends to the outside of the screening box. A feeding hopper is fixedly connected to the center of the top of the screening box, the interior of the feeding hopper communicates with the interior of the screening groove, inserting grooves are formed in the upper portion and the middle of the interior of the screening groove, the front surfaces of the interiors of the inserting grooves extend to the exterior of the screening box, screening boxes are installed in the inserting grooves, and the screening boxes correspond to the feeding hopper. A drawing groove is formed in the lower portion in the screening groove. And through clamping connection of clamping blocks and clamping grooves, the screening plates can be conveniently detached and replaced from the interior of the screening box, and the device can conveniently install and replace different screening plates according to needs, so that the device can meet more screening requirements, and the adaptability is high when the device is used.

The invention discloses sorting equipment for crayfish processing, and relates to the technical field of crayfish processing.The sorting equipment comprises a main support, a fixing frame is fixedly installed at the upper end of the main support, a screen frame is fixedly installed on the upper side of the fixing frame, and a first discharging frame is fixedly installed on the end side of the fixing frame; the end side of the screen frame is fixedly connected with a second discharging frame, a discharging hopper is fixedly installed on the upper side of the screen frame, and the device further comprises a sweeping-down structure which is arranged on the surface of the screen frame and used for assisting small-size crayfishes to be swept down to the inner side of the fixing frame in the crayfish screening process. The supporting structure is arranged below the first discharging frame and used for supporting and fixing a crayfish packaging bag, the sweeping-down structure is arranged, the sweeping-down mode is utilized, sweeping-down work of crayfish retained on the inner side of the screen frame is facilitated, simple sweeping and cleaning work of the surface of the crayfish can be achieved, and the crayfish screening device is convenient to use and high in practicability. And the use performance of the sorting equipment is improved to a certain extent.

The application relates to the technical field of aquatic product processing, and discloses a shrimp grading and unhulling integrated device with a variable-distance vibrating screen and air spraying linkage, which comprises a vibrating assembly, a sub-packaging assembly, a pneumatic assembly and an unhulling assembly. The vibrating assembly is arranged at the front part of the sub-packaging assembly, the unhulling assembly is arranged at the rear part of the sub-packaging assembly, and the pneumatic assembly is arranged at the top part of the unhulling assembly. Three screen frames capable of sliding up and down are arranged in the middle part of the vibrating assembly, variable-distance screen rods are arranged in the screen frames, and a screen plate capable of sliding is further arranged at the bottom of the vibrating assembly. The unhulling assembly is provided with an unhulling bin, the unhulling bin is provided with clamping plates capable of relatively approaching each other, a plurality of suction cups are uniformly and separately connected to the middle part of the clamping plates, and the plurality of suction cups are communicated with suction barrels. The problems of low grading precision, poor unhulling efficiency, high manual intervention and incomplete shell-meat separation in traditional shrimp processing are solved.

The invention discloses automatic snail meat separation equipment, and relates to the technical field of aquatic product processing equipment, and the automatic snail meat separation equipment comprises a discharging box, a secondary separation pool, a primary separation pool, a shell breaking device and a feeding box. The second-stage separation tank is fixedly arranged on the upper side of the discharging box, the first-stage separation tank is fixedly arranged on the upper side of the second-stage separation tank, the shell breaking device is fixedly arranged on the upper side of the first-stage separation tank, and the feeding box is fixedly arranged on the upper portion of the shell breaking device. And the shell breaking device comprises a fixed bracket fixedly arranged on the upper side of the primary separation tank. A roller is rotationally arranged on the fixed support, and a crushing tooth roller is rotationally arranged on the fixed support and located on the upper side of the roller. A roller belt support is arranged on the fixing support and located on one side of the crushing tooth roller. And a rotating roller is rotationally arranged on the roller belt bracket. A belt is arranged on the rotating roller in a transmission mode. The production efficiency of snail meat separation is improved, the labor cost and the labor intensity are reduced, the pressure of the belt on the rollers can be conveniently and accurately adjusted, and the universality is high.

The application discloses a multifunctional shellfish harvesting machine and a method thereof, and belongs to the technical field of fishery machines. The device comprises a harvesting device, an adjusting device, a conveying device, a sorting device and a cleaning device which are installed on a base. The harvesting device is used for digging and harvesting shellfish and can adjust the harvesting position through the adjusting device connected with the base. The sorting device is arranged behind the harvesting device and comprises a double-arc-shaped vibrating lifting device, a first rotary hub and a second rotary hub. The conveying device is arranged behind the harvesting device, and the cleaning device is arranged behind the conveying device. The water outlet of the nozzle of the cleaning device sprays towards the shellfish on the conveying device. The conveying device can convey the cleaned shellfish to the collecting box behind. The application realizes the effects of continuously digging, conveying, cleaning, sorting and collecting shellfish, overcomes the technical defects that the prior art cannot work continuously, and further increases the work efficiency.

This invention discloses a shellfish cleaning, drying, and sorting device, comprising: a primary filter box, a clean water tank, a filtered water tank, a drying box, and a sorting box. Shellfish after primary filtration are transported from the primary filter box to the filtered water tank via a first conveyor, and then transported to the drying box via a second conveyor. The drying box is equipped with a drying device and a third conveyor, and the dried shellfish are transported from the drying device to the sorting box via the third conveyor. The sorting box is equipped with a primary sorting rack and several sorting boxes. The primary sorting rack is installed above the first sorting box, and both the sorting boxes and the primary sorting rack are equipped with several rollers. The shellfish are sorted by the gap between the rollers. The clean water tank is equipped with a water purification device and a water tank, with the outlet of the water purification device connected to the water tank. This invention integrates cleaning, drying, and sorting functions, enabling efficient preliminary processing of shellfish. Furthermore, by purifying the filtered water and recycling the filter residue, it achieves the goals of resource conservation and environmental protection.

The invention relates to the technical field of crab screening, in particular to a crab screening device based on a spectrum fusion technology. The conveying frames are fixedly connected into the supporting frame; the conveying assembly is arranged in the conveying frame; the number of the moving assemblies is two; the multiple supporting rods are connected with the two moving assemblies correspondingly, and the upper ends of the multiple supporting rods are fixedly connected with a top plate; the rotating frame is fixedly connected to the lower end of the top plate; by using the device, low-freshness crabs are screened to the low-freshness channel through the screening assembly, other crabs enter the normal channel, the device is convenient to screen according to the freshness of the crabs through spectrum fusion, and the low-freshness crabs are prevented from flowing into the transfer channel to influence the taste of the whole crabs.

An apparatus for automatically processing shellfish according to the present invention comprises: a physical washer which becomes a passage through which shellfish products are moved and protrudes toward the shellfish products on the passage to wash the shellfish products; a fluid washer which is connected to the passage to be adjacent to the physical washer, and sprays a fluid toward the shellfish products to remove fine foreign substances from the shellfish products; a quality inspector which extends from the passage to be adjacent to the fluid washer, and determines whether the shellfish products are in good condition or defective condition and carries out a radiation test; and a sorter which is connected to the passage of the quality inspector and picks up and separately discharges the shellfish products according to preset sizes.

The invention discloses a small green dragon classification screening machine, and relates to the technical field of small green dragon screening, the small green dragon classification screening machine comprises three supporting rods, the bottom ends of the three supporting rods are fixedly connected with a chassis, the ends, away from the chassis, of the three supporting rods are jointly and fixedly connected with a fixing ring, and through mutual cooperation of a weighing device, a weighing disc, an electric telescopic rod and an air cylinder structure, the fixing ring is fixedly connected with the chassis; the first conveying belt conveys the small green dragon to the weighing disc, the weighing disc is matched with the weighing device to display the weight of the small green dragon, the air cylinder is triggered according to a preset weight interval, the air cylinder drives the weighing disc to swing, and the small green dragon on the weighing disc moves along with the air cylinder and moves into the U-shaped plate. The electric telescopic rod can control the vertical position of the weighing disc, the weighing disc and the weighing device can be independently used as independent equipment, and the first conveying belt and the second conveying belt do not need to be started to convey the small green dragon in special occasions such as screening of a small number of small green dragon.

The invention discloses a shrimp food material preparation system which at least comprises an unfreezing unit, a sorting unit, an image acquisition unit, a database establishment unit, a microorganism detection unit, a shrimp head removal unit, a classification unit and a shelling unit. Wherein the unfreezing unit is used for unfreezing frozen prawns, and the sorting unit is used for shaping and arranging the unfrozen prawns, so that the unfrozen prawns are transmitted to the image acquisition unit to acquire data such as the type, the volume and the length of each prawn, and each independent data is transmitted to a database to establish a tag; and the shrimp head removing unit adjusts the position of the cutter according to the label to separate the shrimp head from the shrimp body, and the classifying unit distinguishes the shrimp bodies with different sizes according to the label, so that the shrimp body is peeled by the peeling unit. And a method therefor; the production of shrimp food materials is more efficient, the quality consistency is ensured, the labor cost is reduced, and pollution caused by human factors is prevented.

The invention provides a live shrimp screening machine, and relates to the field of fishery machinery. The size grading of the living shrimps can be accurately and efficiently completed, and the living shrimps can be effectively prevented from being damaged. Comprising a base, a screening cage rotationally installed on the base and a rotating power source installed on the base and used for driving the screening cage to rotate. One end of the screening cage is a feeding side and comprises screening round strips distributed in a spiral shape, and the screw pitch of the spiral is gradually increased from the feeding side. On the whole, the price of the living shrimps can be greatly influenced by the size and damage degree of the living shrimps, more accurate grading can be achieved, damage to the living shrimps is small, and a series of advantages of being good in screening effect, high in screening efficiency and the like are achieved.

The invention relates to the technical field of euphausia superba processing, and discloses a shipborne euphausia superba grading device which comprises a bearing shell, a bottom plate and a screening and separating device, the bottom plate is arranged on the lower surface of the bearing shell, the screening and separating device is arranged in the inner wall of the bearing shell, the screening and separating device comprises a frame, and the frame is arranged in the inner wall of the bearing shell; an outer net is fixedly connected to one end of the frame, a sealing ring is fixedly connected to one end, away from the frame, of the outer net, a middle net is arranged on the inner wall of the outer net, an inner net is arranged on the inner wall of the middle net, and two ends of the middle net and two ends of the inner net are fixedly connected with the frame and the sealing ring respectively. According to the device, a multi-stage centrifugal screening structure is adopted, hole diameter gradients of the inner net, the middle net and the outer net are matched with centrifugal force, three-stage precise separation of krill is achieved, the grading efficiency and precision are remarkably improved compared with a traditional screening mode, the integrated rotary screening design is achieved, the structure is compact, the occupied space is small, and the device is adaptive to the shipborne limited operation environment; and the requirements of offshore efficient grading operation are met.

The present invention belongs to the field of snail processing, and specifically is a sorting device for processing snails, comprising a base frame, a sorting bucket slidably arranged at one end of the top of the base frame, a feeding pipe connected and fixed to one end of the top of the sorting bucket, a plurality of sealing doors installed at one end of the outer peripheral surface of the sorting bucket, and a multi-stage sorting and drying mechanism for sorting snails, wherein the multi-stage sorting and drying mechanism comprises a screening component and an air blowing component; the screening component of the present invention can sort snails of different sizes, so that snails within different size ranges can be placed at different heights, and the snails at different heights can be taken out by opening the sealing door; during this process, the air blowing component can ensure that the interior of the sorting bucket will not be overly moistened, thereby preventing excessive moisture residue from promoting the decomposition of snail protein to produce low-level amine substances, thereby improving the processing effect of the snails.

The present invention discloses a combined beach shellfish harvesting device and method, which mainly consists of a frame, a walking module, a harvesting module, a sand leakage and cleaning module, and a conveying module; the walking module is installed on both sides of the frame and is responsible for the walking and turning of the frame; the harvesting module includes a roller soil breaker and a rolling shovel picker. The roller soil breaker rotates passively as the device advances and is used for pre-loosening the soil; the rolling shovel picker rotates actively in the reverse direction to shovel up shellfish and surface sand; the sand leakage and cleaning module consists of a vibrating cleaning screen, a planar four-bar linkage mechanism, and a vibrating motor, and drives the screening and cleaning actions through the vibrating motor, and the cleaning nozzle performs hydraulic scouring on the shellfish and sand; the conveying module includes a hollowed-out horizontal conveyor belt and an inclined conveyor belt. The horizontal conveyor belt filters damaged or unqualified shellfish, and the inclined conveyor belt lifts the qualified shellfish to the rear collection area. The present invention realizes the functions of soil loosening, picking, screening, cleaning, and conveying through modular design, and is suitable for efficient harvesting operations of beach shellfish.

The invention discloses an AI intelligent shrimp food material processing system which mainly comprises an image acquisition unit, a database unit, a label downloading unit, a shrimp head removing unit and a classification unit. Wherein the image acquisition unit acquires an image of each shrimp, and transmits each independent image to the database unit; the database unit is used for storing data such as types, sizes, sizes of shrimp heads, lengths of shrimp bodies and the like of the shrimps so as to establish an exclusive tag for each shrimp after the data are compared with the images transmitted by the image acquisition unit; the label downloading unit is used for downloading label information from the database unit; the shrimp head removing unit adjusts the position of the cutter module according to the label to separate the shrimp head from the shrimp body; and the classification unit distinguishes shrimp bodies with different sizes according to the labels. Therefore, the production of the shrimp food materials is more efficient, the consistency of the quality is ensured, the labor cost is further reduced, and pollution caused by human factors is prevented.

The invention relates to the technical field of cleaning machines, in particular to a lobster processing cleaning machine which comprises a base, a cleaning box is fixedly assembled on the upper surface of the base, a cleaning roller is rotatably connected in the cleaning box, a driving motor is fixedly assembled on the outer wall of the cleaning box, and the output end of the driving motor is fixedly connected with the cleaning roller. The lobster sorting device comprises a base, a support is fixedly assembled on the upper surface of the base, the lobster sorting device further comprises an adjusting structure arranged on the upper surface of the support and used for fully sorting lobsters, and the adjusting structure comprises a rotating frame rotationally installed on the upper surface of the support, a plurality of fixed partition plates used for sorting and a sorting frame used for supporting the fixed partition plates. According to the lobster cleaning machine, the sorting structure is arranged, the sorting frame is kept in a horizontal state before lobsters are cleaned, then the lobsters can be fully sorted, the sorting frame is adjusted to be in an inclined state after sorting is completed, the lobsters can be conveniently discharged, and the practicability of the cleaning machine is improved.

The present invention relates to the field of shellfish shelling technology, and specifically to a mussel hot-pressing shelling processing device, comprising a shell; the device also includes a spreading device, a conveying device, and a sorting device; a plurality of conveying devices are provided, the conveying devices are evenly arranged along the width direction of the shell, the conveying devices are arranged inside the shell along the length direction of the shell, and the conveying devices are used to convey mussel meat and mussel shells; a spreading device is provided above the conveying device, and the spreading device spreads the mussel meat and mussel shells on the conveying device; a sorting device is provided at the output end of the conveying device along the length direction of the shell, and the sorting device is used to receive the mussel meat and mussel shells dropped from the output end of the conveying device, and the mussel meat and mussel shells drop onto the sorting device to generate sound, and the sorting device determines the category of the dropped object by the sound vibration. The present invention enables the device to identify and separate mixed mussel meat and mussel shells.

The sorting systems and methods described herein provide for the sorting of shrimp. The sorting systems may be combined with a delivery system. The sorting systems employ a pair of rotating slides and optional guide chutes to deliver shrimp to selected delivery locations.

The present application relates to the technical field of processing of euphausiids, and discloses a shipborne Antarctic krill grading device, which comprises a receiving shell, a bottom plate and a screening and separating device, the bottom plate is arranged on the lower surface of the receiving shell, and the screening and separating device is arranged in the inner wall of the receiving shell, the screening and separating device comprises a frame, the frame is arranged in the inner wall of the receiving shell, one end of the frame is fixedly connected with an outer screen, the end, away from the frame, of the outer screen is fixedly connected with a sealing ring, the inner wall of the outer screen is provided with a middle screen, the inner wall of the middle screen is provided with an inner screen, and the two ends of the middle screen and the inner screen are fixedly connected with the frame and the sealing ring respectively. In the present application, a multi-stage centrifugal screening structure is adopted, the pore size gradient of the inner screen, the middle screen and the outer screen is matched with centrifugal force, three-stage precise separation of krill is realized, the grading efficiency and accuracy are significantly improved compared with the traditional screening mode, the integrated rotary screening design is compact in structure, small in space occupation, suitable for the limited working environment of the ship, and capable of meeting the needs of efficient grading operation at sea.

The invention relates to the technical field of aquatic product processing, and discloses a variable-spacing vibrating screen and air jet linked shrimp grading and shelling integrated device which comprises a vibrating assembly, a sub-packaging assembly, a pneumatic assembly and a shelling assembly, the vibrating assembly is arranged at the rear end of the sub-packaging assembly, the shelling assembly is connected to the rear end of the sub-packaging assembly, and the pneumatic assembly is connected to the rear end of the sub-packaging assembly. The pneumatic assembly is arranged at the top of the shelling assembly, three screen frames capable of sliding up and down are arranged in the middle of the vibration assembly, variable-distance screen rods are arranged in the screen frames, and a slidable screen plate is further arranged at the bottom of the vibration assembly; the shelling assembly is provided with a shelling bin, clamping plates which can be relatively close to each other are arranged in the shelling bin, a plurality of suction cups are evenly distributed and connected to the middles of the clamping plates at intervals, the suction cups communicate with a suction cylinder, and the problems that in traditional shrimp processing, the grading precision is low, the shelling efficiency is poor, manual intervention is large, and shell and meat separation is not thorough are solved.

The invention relates to the technical field of marine product sorting, and discloses a marine product sorting system and method and a marine product sorting model training method. The sorting device of the sorting system comprises a sorting manipulator, and the sorting manipulator is used for grabbing the marine products from the feeding device and placing the grabbed marine products in packaging boxes of the boxing device end to end in a distinguished mode, so that the marine products are placed in the packaging boxes end to end in a crossed mode. In other words, sorting and boxing operation of the marine products can be automatically achieved, the labor cost can be saved, and the production efficiency and the production quality can be improved. Besides, in order to meet the preset boxing strategy, the marine products are boxed in a head-to-tail distinguishing mode through the sorting mechanical arm, the marine products are automatically placed in a packaging box in a head-to-tail crossed mode, sorting and boxing operation of the marine products can be automatically achieved, and different boxing strategies of the marine products can be met.