145results about "Fish filleting" patented technology

A rack is provided with a belt conveying device, a cutting device, a 3D visual scanning device, a control system and an angle adjusting mechanism for adjusting the cutting angle, the 3D visual scanning device is located above the upstream of the belt conveying device, and the 3D visual scanning device, the angle adjusting mechanism, the belt conveying device and the cutting device are electrically connected with the control system; the 3D visual scanning device is used for scanning the raw material individuals conveyed by the belt conveying device to determine parameters of the raw material individuals and transmitting the parameters of the raw material individuals to the control system, a plurality of cutting schemes are preset in the control system, and the control system selectively executes one cutting scheme. The angle adjusting mechanism is controlled to adjust the angle of the cutting device according to the selected cutting scheme, and then the cutting device is controlled to conduct cutting. When the intelligent angle cutting machine is used for cutting raw material individuals, the cutting angle and thickness can be automatically adjusted in time according to parameters of the raw material individuals, various cutting schemes are implemented, and intelligence and the product utilization rate are improved.

The utility model discloses an automatic slicer for fish products, relates to the technical field of automatic processing equipment for the fish products, and aims to improve the automatic production efficiency of the fish products. The automatic slicing machine for the fish products comprises a fish feeding mechanism, a fish clamping device, a slicing mechanism and an electric control system, and the fish feeding mechanism is used for conveying the fish products to be processed to the fish clamping device and the slicing mechanism; the fish clamping device is used for fixing fish products and tidying fish fins; the slicing mechanism is used for separating bones and meat of fish products, and the electric control system is connected with the fish feeding mechanism, the fish clamping device and a driving mechanism of the slicing mechanism, so that the process automation of automatic feeding, automatic clamping and fin arrangement and automatic slicing is realized, the production efficiency is greatly improved, the labor intensity is reduced, and the production cost is reduced. The defects that original manual slicing is high in labor intensity and unstable in quality are overcome.

The utility model relates to the technical field of food processing, in particular to a fishbone removing machine which comprises a supporting mechanism and a fishbone removing mechanism used for removing fishbones, and the fishbone removing mechanism is fixed above the supporting mechanism. The fishbone removing mechanism is arranged, when the fishbone removing device is used, a fishtail is placed on the mechanical clamping jaw, the mechanical clamping jaw is started, the mechanical clamping jaw operates to clamp and fix the fishtail, an electric push rod is controlled to stretch, the electric push rod stretches to drive a movable block and a cutter to move, the cutter moves to make contact with a fish body, and a motor is started; the motor runs to drive the rotating shaft and the winding drum to rotate, the winding drum rotates to wind the traction rope, the mechanical clamping jaw and the fish start to ascend, in the ascending process, the cutter cuts off fish meat on the two sides of the fish bone, the motor stops running when the mechanical clamping jaw ascends to the corresponding position, fish meat cutting is completed, and the cut fish meat falls into the collecting box; by means of the mode, fish meat on the two sides of the fishbone can be rapidly cut off, and the fish meat and fishbone separation efficiency is effectively improved.

The invention discloses a fish body slicing and sorting integrated device, which relates to the technical field of food processing equipment, and comprises a rack, a claw bracket, a fish meat bracket, a blade bracket, a sorting air tap, a blanking air tap and a fish bone separation cutter. The invention further discloses a processing method of the fish body slicing processing and sorting integrated device. The processing method comprises the steps of feeding, separating bones from meat, slicing fish meat, sorting fish slices and discharging. By arranging the fishbone hooks, the fish meat bracket and the fishbone separation cutter, when a fish body is sliced, the upper and lower groups of fishbone hooks can be turned over and inserted into the end part of the fishbone in the fish body and clamp the forked part of the fishbone, so that the fishbone is hooked, and the fishbone hooks can horizontally drive the fish body to move; in the traction process of the fish body, the obliquely designed fishbone separation cutter can be inserted into the fish body and is attached to the surface of the fishbone, so that the fishbone and the fish meat are separated in the traction process of the fish body.

The application discloses a feeding device and a bias-cut meat slicer, which comprises a feeding mounting plate, a bearing mechanism slidably matched with the feeding mounting plate, a feeding driving structure for driving the bearing mechanism to move linearly back and forth along the length direction of the feeding mounting plate, a transmission mechanism transmissionally connected between the feeding driving structure and the bearing mechanism, a first force applying component arranged at one end of the feeding mounting plate, the first force applying component being used for applying an acting force to the transmission mechanism in the direction opposite to the forward movement direction of the bearing mechanism, so that the transmission mechanism drives the bearing mechanism to overturn downward to an open state, and a second force applying component arranged at the other end of the feeding mounting plate, the second force applying component being used for applying an acting force to the transmission mechanism in the direction opposite to the return movement direction of the bearing mechanism, so that the transmission mechanism drives the bearing mechanism to overturn upward to a closed state. The application has the characteristics of flexible switching of overturning action, stable operation, less damage of spare parts and longer service life.

The present invention relates to an apparatus (10) configured and adapted to remove the flank bones (11) of a headless, slaughtered, preferably opened abdominal cavity fish (12), wherein the fish is conveyed in a conveying direction T with its tail forward and its spine (13) placed on a conveying saddle (14), the apparatus comprising at least: an upper bone guide (15) configured and adapted to guide the spine (13) from the dorsal side of the fish (12) to be processed; and a lower bone guide (16) configured and adapted to guide the ventral radii (44) of the fish (12) to be processed, the ventral radii being formed in the region from the tail to the abdominal cavity. The invention relates to a separation unit (17) for detaching fillets from the flank bones (11) surrounding the abdominal cavity of the fish (12) to be processed, wherein the separation unit (17) includes a separation mechanism (18) having a corresponding opposing unit (19) and capable of moving from a standby position to a working position and vice versa. The device (10) is characterized in that a detachment device (20) is located within the area of ​​the upper bone guide (15) and is configured and adapted to at least loosen the bone connections (21) between the individual flank bones (11) and the vertebrae (13) of at least some of the flank bones (11). The invention also relates to a corresponding slicer (40) having such a device (10) and a corresponding method.

A machine for filleting fish includes a filleting station with two circular, rotating cutting blades arranged to perform plane cutting of the fish. To increase yield, the cutting blades are movable towards or away from each other by a linear actuator.

The utility model discloses an adjustable slicing device for fish processing, which relates to the technical field of fish processing and comprises a belt conveyor and a cutting box, the cutting box is mounted at the discharge end of the belt conveyor, and calibration components are mounted on two sides of the belt conveyor. The calibration assembly comprises a calibration plate used for calibrating the position of a fish body and a reciprocating driving mechanism used for driving the calibration plate to move in a reciprocating mode, the belt conveyor is provided with an orientation assembly used for adjusting the orientation of the fish, and the feeding end of the belt conveyor is provided with an anti-blocking assembly used for preventing the fish from being stacked. A first motor is started, the first motor drives a calibration disc to rotate, the calibration disc drives a rotating rod to rotate, the rotating rod drives a connecting rod to move, and then the connecting rod drives a calibration plate to move in a reciprocating mode, so that the position of a fish body is calibrated, and it is prevented that when the fish body enters a fish body cutting box, deviation occurs, and the quality and attractiveness of fish body dicing are affected.

The invention relates to a knife arrangement (100) for at least partially trimming a region (12) in an abdominal cavity (13) of a fish (11), comprising: a transport device (21) for transporting the fish (11) in a transport plane (23) in a transport direction (24) with the tail (34) facing forward; at least one trimming element (41) arranged along the transport direction (24) and configured for at least partial immersion into the abdominal cavity (13), the at least one trimming element (41) being configured and adapted for at least partial trimming / cut release within the abdominal cavity (13), in particular a region (12) having a hypochondriac bone (18) and / or a fillet portion (19) protruding into the abdominal cavity (13), characterized in that the at least one trimming element (41) is arranged along the transport direction (24) and configured for at least partial immersion into the abdominal cavity (13), the at least one trimming element (41) being configured and adapted for at least partial trimming / cut release of the region (12), in particular a region (12) having a hypochondriac bone (18) and / or a fillet portion (19) protruding into the abdominal cavity (13). The knife arrangement (100) comprises a dressing element adjustment device (42) connected to the at least one dressing element (41), wherein the dressing element adjustment device (42) is configured and adapted to at least partially pivot the at least one dressing element (41) clockwise or counterclockwise (32, 33) about at least one pivot axis (43, 44). The invention further relates to a corresponding device (40) and to a corresponding method.

Shown and claimed is a device for separating a starting material into components of different flowability by means of a perforated drum and a rotating functional belt. The functional belt is guided over a plurality of rollers, of which a tension roller keeps the functional belt taut and a pressure roller presses the functional belt against the perforated drum with an adjustable force. The device comprises a lever arrangement and a pressure pneumatic cylinder. By pivoting the lever arrangement using the pressure pneumatic cylinder, the position of the pressure roller can be changed and thus the force with which the functional belt presses against the perforated drum can be adjusted. Furthermore, a method for separating a starting material into components of different flowability and the use of a device for separating a starting material into components of different flowability are shown and claimed.

An arrangement for automatically removing a strip of dark meat from a fish fillet has a conveying unit for transporting the fish fillet from an inlet to an outlet area in a transport direction along a transport path. Starting from the inlet area, successively along the transport path, are provided: a detector for detecting dark meat; a first cutting apparatus for removing a middle partial strip of dark meat; an opener for opening up the fillet such that the cut surfaces of a ventral-side partial and of a dorsal-side partial strip of dark meat point upwards; a cutting unit for removing the partial strips, the cutting unit comprising second and third cutting apparatuses for removing the ventral and dorsal-side partial strips. A control device is connected to the detector and the cutting apparatus, and all cuts are based on information from the detector.

The invention relates to a knife arrangement (100) for at least partially trimming a region (12) in the abdominal cavity (13) of fish (11), comprising a transporting device (21) for transporting the fish (11) in a transporting plane (23), with the tail (34) first, in a transporting direction (24), and also comprising at least one trimming element (41), which is located along the transporting direction (24) and is designed for entering the abdominal cavity (13), wherein the at least one trimming element (41) is designed and configured for at least partially trimming / cutting free within the abdominal cavity (13), in particular a region (12) with flank bones (18) and / or a fillet portion (19) protruding into the abdominal cavity (13), and is distinguished by the fact that the knife arrangement (100) comprises a trimming-element-adjusting device (42), which is connected to the at least one trimming element (41), wherein the trimming-element-adjusting device (42) is designed and configured for at least partially pivoting the at least one trimming element (41) clockwise or anticlockwise (32, 33) about at least one pivot axis (43, 44). The invention also relates to a corresponding apparatus (40) and to a corresponding process.

The invention discloses a self-adaptive fish slaughtering, slicing and packaging all-in-one machine which comprises a rack, a conveying device used for conveying fish bodies is arranged on the rack, and a scaling device, a cleaning device, a viscera removing device, a head removing device, a boning device and a slicing device are sequentially arranged in the conveying direction of the fish bodies; the viscera removing device is provided with a barb viscera removing shaft capable of being inserted into a fish belly and rotating around the axis of the viscera removing device, a steering engine for driving the viscera removing shaft to horizontally swing and a stepping motor for driving the viscera removing shaft to rotate are matched, and double electric lead screws on the rack respectively drive the viscera removing device to ascend and descend and the tail cutting blade to cut the tail of a fish body. The cleaning device is arranged above the viscera removing shaft and achieves synchronous flushing of the viscera removing shaft and the fish body through a water circulation structure, the conveying device is provided with an elastic adaptation structure, the boning device is provided with a blade distance adjusting structure, and the slicing device drives a cutter row to do reciprocating cutting motion through a crank-link mechanism. The processing efficiency and the product percent of pass are greatly improved, the labor intensity of workers is effectively reduced, the equipment runs stably, the industrial large-scale production requirement is met, the product additional value of primary processing of aquatic products is remarkably improved, and good application prospects are achieved in the field of aquatic product processing.

An improved method for the production of a smoked product of fish is described. A product produced by the method is also described.

The present application relates to the technical field of fishbone separating device, in particular to a fishbone separating machine for fish food processing, which comprises a base, the upper end of the base is fixedly connected with a processing cylinder, the outer side of the processing cylinder near the upper position is a feeding port, the inner side of the processing cylinder is provided with an extrusion roller shaft, the lower side of the extrusion roller shaft of the processing cylinder is fixedly connected with a filter cartridge, the inner side of the filter cartridge is installed with a separating mechanism for discharging minced meat, the inner side of the separating mechanism is installed with a fishbone removing mechanism for processing fishbone inside the filter hole of the filter cartridge, the hollow shaft and the installation cylinder are axially advanced by cooperating with the material removing assembly, the minced meat inside the filter cartridge can be stably and non-residually pushed outwards, which effectively avoids the decrease of separation efficiency caused by the accumulation of minced meat and the blockage of fishbone; the fishbone, fish skin and other waste materials outside the filter cartridge are synchronously cleaned by the driving arc-shaped scraper, forming a linkage operation mode of synchronous minced meat pushing and fishbone waste discharging.

The invention discloses a middle bone removing slicer for yellow croaker production, which comprises a machine main body, first feeding belts, a bone removing blade, a second feeding belt and an adjusting plate, the bone removing blade is mounted on the surface of the machine main body through a rotating rod, and the first feeding belts are mounted on the surface of the machine main body on one side of the bone removing blade through a first rotating cylinder; the second feeding belts are installed on the surfaces of the portions, on the two sides of the boning blade, of the machine body through second rotating cylinders, the adjusting plates are arranged at one ends of the surfaces of the machine body, driving grooves are formed in the portions, below the adjusting plates, of the machine body, two-way lead screws are installed in the driving grooves, and the outer walls of the two-way lead screws are sleeved with sliding blocks in a threaded mode. The yellow croaker deboning and slicing device not only can automatically deboning and slicing, can flatten yellow croaker bodies and improve the accuracy of deboning and slicing, but also can wash and drain fish meat, so that the fish meat and fish bones are kept clean.

This invention discloses a precision-positioning eel slicing machine and its positioning method, including a support component, a cutting component, a camera, a drive component, and an eel propulsion component. The pre-treated eel is placed on the drive belt. The camera is activated and lubricated with water to ensure the cutting blade slices the eel cleanly on the elastic surface, avoiding breakage or residue caused by uneven force in traditional cutting. A drive motor, through a drive wheel, transmission belt, and driven wheel, drives a rotating rod to raise and lower the base plate, thereby adjusting the height of the cutting component for precise cutting. Simultaneously, multiple cameras monitor the eel's position in real time, transmitting high-quality images to an external computer for visual processing. Real-time calculations identify the head and tail proportions and calculate three-dimensional parameters, providing data support for subsequent positioning. This design not only improves cutting accuracy but also reduces manual intervention, significantly increasing production efficiency.

The invention provides inter alia a method for enzymatic digestion of an extracellular matrix protein in a tissue sample, comprising the steps of:—providing an aqueous medium that comprises (i) a matrix metalloproteinase and (ii) a cation that is Ca2+ at a concentration of at least 2 mmol / L;—contacting said aqueous medium with a tissue sample that comprises an extracellular matrix protein under conditions that allow for enzymatic digestion of said extracellular matrix protein; wherein said tissue sample is a cartilage tissue sample.

The invention discloses a processing method of high-quality quick-frozen leiocassis longirostris fillets, which comprises the following steps: (1) selecting fresh leiocassis longirostris, slaughtering, cutting into fillets, cleaning and draining; (2) precooling the leiocassis longirostris slices in a dipping freezing liquid; and (3) putting the precooled fish slices into a mixed protective solution of quince seed mucus, fishing out the fish slices, immediately feeding the fish slices into a liquid nitrogen quick-freezing cabinet to freeze the fish slices, and then putting the fish slices into a refrigeration house to be frozen. According to the preparation method disclosed by the invention, a layer of gel coating which takes quince seed mucus as a base material and is added with citrus essential oil is constructed on the surface of the fillet, and the coating is used as a macroscopic physical barrier, so that juice loss of the fillet can be effectively reduced, lipid oxidation can be inhibited, microbial invasion can be blocked, and mechanical support can be provided to prevent freeze cracking. By adopting a dipping pre-cooling mode, the fish meat quality can be well maintained, and meanwhile, the consumption of liquid nitrogen during freezing is reduced.

This invention relates to a method for trimming the anal fin of rainbow trout fillets, comprising the following steps: S1: The conveyor belt of the trimming device transports the fillets at a predetermined speed. When the fillet reaches image acquisition point A, point cloud data of the fillet is acquired and converted to the coordinate system of the trimming device; S2: The converted point cloud data is preprocessed to obtain the fillet point cloud, and a fillet coordinate system following the fillet's posture is established based on the fillet point cloud; S3: The anal fin region point set is identified based on the geometric features of the point cloud, and the anal fin contour is extracted; S4: The extracted anal fin contour is curve-fitted, and a predetermined distance is offset along the normal vector direction of the fitted curve to generate a cutting path, and the mapping relationship between the cutting path parameters and the cutting time is determined; S5: The cutting path is converted to the coordinate system of the trimming device in real time, and the cutting device is controlled to cut the moving rainbow trout fillet at trimming station B. This method improves the consistency of trimming and the meat yield, and also significantly reduces labor costs and labor intensity.

The utility model discloses a meat and bone separating device for surimi production, and relates to the technical field of separating devices. The meat and bone separating device for surimi production comprises a crushing assembly, and the crushing assembly comprises a crushing cylinder; and the separation assembly comprises an L-shaped discharging pipe embedded in the outer surface of the crushing barrel and extending into the crushing barrel, and a separation net barrel fixedly arranged at the end of the L-shaped discharging pipe. By arranging the crushing assembly and the separating assembly, fish meat can be crushed firstly, meanwhile, the crushed fish meat can be synchronously conveyed into the separating net barrel, and the fish meat in the separating net barrel is extruded under the action of rotation of spiral extrusion blades, so that meat paste is extruded and separated out through the separating net barrel; and the fish bones are discharged through the conical slag discharging pipe, so that rapid separation of the fish meat and the fish bones is realized, and the fish meat and fish bone separation efficiency is effectively improved by adopting an extrusion type separation mode.

A system for finishing fish frames (100), which system comprises a machine having: an electronic control unit, an upper side (2) and a lower side (1) between which the fish frame (100) is held during finishing. The upper side (2) and the lower side (1) is adapted to form a wedge-shaped insertion portion (11). Scrapers controlled by the electronic control unit are configured to scrape both the ventral side (8) and dorsal side (7) of a fish frame (100) as it is passes through the machine; a chain mechanism having holding means is adapted to draw a fish frame (100) through the machine. The machine is provided with a starting mechanism that starts the finishing process when a fish frame (100) is introduced headfirst into the machine and a longitudinal recess adapted to a backbone (110) in a fish frame (100) such that a fish frame (100) is held in its transverse direction while it is passed through the machine. The machine's insertion portion (11) may be made with replaceable infeed part (s). The system may comprise at least two replaceable infeed parts, each adapted to fish frames of different sizes and / or shapes such that the machine's insertion portion is thereby adaptable to at least two different fish frames.

The application discloses a kind of equipment and control method for automatically fish slice defect finishing.The equipment includes fish slice single piece loading unit, image acquisition and processing unit and finishing unit.Fish slice single piece loading unit utilizes the action of gravity to disperse and load the fish slice overlapping to image acquisition area;Image acquisition and processing unit, image acquisition and processing unit are used to collect fish slice defect image, and real-time picture information is transmitted to industrial computer, and the fish slice defect detection network based on YOLOv8 model improved in the middle part of industrial computer is used to identify defect area and plan defect finishing track;Finishing unit receives track and posture information from industrial computer, and accurately finishes fish slice, so as to complete the process of fish slice loading, detection and finishing.The application replaces traditional manual finishing mode by automatic processing, realizes real-time finishing of fish slice defect, effectively improves the operation efficiency and product quality of fish slice processing.

The invention belongs to the technical field of surimi processing equipment, and discloses aquatic surimi processing equipment which comprises a support frame and an extrusion cylinder, a plurality of second round rods are rotatably mounted on the inner wall of the support frame, the outer walls of the second round rods are sleeved with a conveying belt, and the aquatic surimi processing equipment further comprises an intermittent discharging mechanism which comprises two cams, baffles are mounted on the outer walls of the third round rods; when the convex part of the cam extrudes the third round rod, the third round rod drives the baffle to be away from the conveying belt, and at the moment, the fish processed by the extrusion cylinder descends from the baffle; the extrusion mechanism comprises a discharging assembly and an electric telescopic rod, and an output shaft of the electric telescopic rod is provided with an extrusion plate; when the electric telescopic rod extends out, the extrusion plate is driven to extrude the fish falling from the baffle, the fish meat is extruded into the extrusion plate, at the moment, the electric telescopic rod shrinks, and the discharging assembly discharges the waste. The problem that an existing device is low in meat separation rate is solved.

The utility model discloses a fillet processing conveyor with a self-screening structure, and relates to the technical field of fillet processing. A hopper is fixedly mounted at the top of the protective shell, a controller is fixedly mounted at one end of the protective shell, a screening plate is slidably connected into the protective shell and obliquely arranged in the vertical direction, the lower end of the screening plate extends to the outside of the protective shell, and a first spring is fixedly mounted at the bottom of the upper end of the screening plate. The bottoms of the first springs are fixedly connected with the protective shell, and second springs are fixedly installed at the bottom of the lower end of the screening plate. Through mutual cooperation of the guide box, the blowing box and other structures, air can penetrate through the air holes to be blown to fillets conveyed at the top of the conveying plate, the fillets can be separated from the surface of the conveying plate to a certain extent or cannot be excessively tightly attached to the surface of the conveying plate, and therefore the situation that the fillets adhere to the surface of the conveying plate is reduced, and the conveying efficiency is improved. Therefore, the fish fillets can be conveyed conveniently, and the conveying effect is improved.

The present invention relates to an apparatus (10) for automatically recovering flesh (20) from beheaded and eviscerated fish (11), comprising: a transport device (12) for transporting the fish (11) in transport direction T along a transport path (13); a sensor device (14) for detecting the anatomy of the fish (11); and a detaching device (13) for detaching the flesh (20) from the fishbone skeleton (18), the detaching device (13) comprising at least two rotatingly driven and controllably moved circular blades (16, 17) which are spaced apart from one another in order to form a gap S. The apparatus is characterised in that the detaching device (13) comprises a control device (19), which is set up to adjust the width of the gap S on the basis of the fish anatomy detected by the sensor device (14), the control device (19) being designed to pre-adjust the width of the gap S prior to the flesh (20) being detached from the fishbone skeleton (18) and to change the width of the gap S while the flesh (20) is being detached from the fishbone skeleton (18). The invention also relates to a corresponding method.

The utility model relates to technical field especially, it relates to a kungfu fish processing cutting mechanism. The utility model provides such a kungfu fish processing cutting mechanism, including control box, it is the installation carrier of part, the upper side of control box is opened and has the through groove, the cleaning plate is connected in the through groove on control box even interval formula, the fixed plate is connected in the upper portion in control box, even interval formula is opened and has the through hole on the fixed plate, the electric push rod is connected on the fixed plate front and back symmetry formula. The utility model through starting control box drive pressing plate shift will be pressed and fixed to fish, starting electric push rod drive processing cutter shift realizes cutting operation to fish, and the cleaning plate carries out cleaning to the residual on processing cutter.

The application discloses a fish product processing production line and a processing method, relates to the technical field of automatic fish product processing equipment, and is invented to improve the automatic production efficiency of fish products. The fish product processing production line comprises a feeding mechanism, a hopper weighing scale, a metering belt scale, a conveying belt, a processing station and a computer processing system. The feeding and feeding sequence of the computer processing system is set, the double-hopper weighing system quantitatively supplies raw materials in multiple small cycles, and the residence time of the raw materials on the production line is shortened. The computer processing system records and stores dynamic weighing and processing station positioning information, and automatically records, evaluates and counts the working results of the processing station operators. The application further discloses a fish product processing method. In combination with the fish product processing production line, the production efficiency is greatly improved, the waiting time of the processing station is reduced, and the risk of processing pollution is reduced.

The utility model discloses an automatic loach and ricefield eel slaughtering machine which comprises a main machine box, a confluence cylinder is installed in a feeding chamber in a clamped mode, scattered feeding hoppers are installed on the confluence cylinder, a confluence disc with the center sunken is arranged in the confluence cylinder, and a confluence hole is formed in the center of the confluence disc. A communicating pipe inserted into the feeding hole is fixedly connected to the position, corresponding to the confluence hole, of the bottom of the confluence disc, and a plurality of confluence baffles are fixedly connected to the periphery of the confluence hole in the confluence disc at equal intervals in the circumferential direction. A basin of loach and ricefield eel can be continuously dispersed to the periphery at a time through the conical dispersion disc, the loach and ricefield eel dispersed to the periphery automatically fall into the confluence disc below, the center of the confluence disc is sunken, a plurality of confluence baffles are arranged in the radial direction to form a plurality of confluence channels leading to the same confluence hole, and a large number of loach and ricefield eels movably drill to one hole at the same time. Under the stimulation of rear loaches and ricefield eels and the guarantee of the number of the loaches and ricefield eels, the drilling accuracy is obviously improved, and therefore the feeding efficiency is improved.