A seafood grading and cleaning tank

Abstract

This utility model discloses a seafood grading and cleaning tank, including a base plate, a base fixedly connected to the bottom of the base plate, and a water tank box fixedly installed on the top of the base plate; a cleaning mechanism is provided between the base plate and the water tank box, and a rinsing component is provided on the top of the water tank box; wherein, the cleaning mechanism includes an installation groove opened inside the base plate, and a drive rod is rotatably connected between the installation groove and the base plate, and a servo motor is fixedly installed at one end of the drive rod; a filter screen is fixedly installed inside the water tank box, and a rotating rod is rotatably connected between the water tank box, the filter screen, the base plate and the installation groove; and a first conical tooth is fixedly installed on the outside of the drive rod, thereby realizing the effect of physical grading, storage, stirring and brushing of shellfish, which can meet the grading and cleaning effect of shellfish of various sizes, effectively avoid the phenomenon of insufficient brushing caused by shellfish accumulation, and greatly improve the shellfish production efficiency.

Description

Technical Field

[0001] This utility model relates to the field of seafood cleaning technology, specifically a seafood grading and cleaning tank. Background Technology

[0002] Oysters, also known as sea oysters or oysters, belong to the phylum Mollusca, class Bivalvia, order Pearcelliformes. They are the world's largest farmed shellfish. Oysters are not only delicious and nutritious, but shellfish also require cleaning equipment during the production and processing of seafood.

[0003] Publication No. CN220343482U discloses a shellfish cleaning device. This device involves manually moving a limiting frame upwards, causing it to move out of the base. The limiting frame moves a support ring, which in turn moves a sliding cylinder. The movement of the sliding cylinder compresses a spring. Shellfish are then poured into the base. The limiting frame is released, and the spring returns to its original position, pressing the shellfish firmly against the base. The spring then acts on the sliding cylinder, causing it to press the support ring downwards, bringing the limiting frame and shellfish into contact and pressing them together. This ensures the shellfish are properly contained and prevents movement that would hinder cleaning. The motor is then activated, driving the sliding cylinder to rotate. This causes the perforated tube to rotate the brush bristles, which then brush the shellfish. Water is sprayed through the inlet pipe into the perforated tube, resulting in a more thorough cleaning. However, this patent has the following problems in practical use:

[0004] The device uses a motor to drive a sliding cylinder to rotate, which in turn causes the perforated tube to rotate the brush bristles, allowing the bristles to brush the shellfish. Water is then sprayed out through the water inlet pipe into the perforated tube. However, the device lacks a stirring function for cleaning shellfish, which means that the bottom area of ​​smaller shellfish cannot be effectively cleaned, and it is difficult to effectively clean small, accumulated shellfish. This greatly reduces the flexibility of the device and limits its use for staff.

[0005] A seafood grading and cleaning tank is proposed to address the problems mentioned above. Utility Model Content

[0006] The purpose of this invention is to provide a seafood grading and cleaning tank to solve the problems mentioned in the background art. The current method involves a motor-driven sliding cylinder that rotates, causing the perforated tube to rotate the brush bristles, which then brush the shellfish. Water is sprayed out through the water inlet pipe into the perforated tube. However, this device lacks the function of stirring the shellfish during cleaning, resulting in the bottom area of ​​smaller shellfish not being effectively cleaned. It is also difficult to effectively clean small, accumulated shellfish, greatly reducing the flexibility of the device during use.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a seafood grading and cleaning tank, including a bottom plate, a base fixedly connected to the bottom of the bottom plate, and a water tank box fixedly installed on the top of the bottom plate; a cleaning mechanism is provided between the bottom plate and the water tank box, and a rinsing component is provided on the top of the water tank box;

[0008] The cleaning mechanism includes an installation groove inside the base plate, and a drive rod is rotatably connected between the installation groove and the base plate. A servo motor is fixedly installed at one end of the drive rod. A filter screen is fixedly installed inside the water tank. A rotating rod is rotatably connected between the water tank, the filter screen, the base plate, and the installation groove. A first conical tooth is fixedly installed on the outside of the drive rod. A second conical tooth is fixedly installed at the bottom of the rotating rod. A fixing sleeve is fixedly installed on the top outer side of the rotating rod. A brush roller is fixedly installed on the outside of the fixing sleeve.

[0009] Preferably, a crossbar sleeve is fixedly installed outside the center of the rotating rod, and fixed tubes are symmetrically fixedly connected to both ends of the crossbar sleeve. A pressing rod is slidably connected inside the fixed tube at the end away from the crossbar sleeve. A first scraper is fixedly installed at one end of the pressing rod, and a first contraction spring is provided inside the fixed tube. A second scraper is fixedly installed on the outer side of the bottom of the rotating rod.

[0010] Preferably, the water tank has a discharge port on one side of the front, and a block is inserted into the discharge port. A rubber block is fixedly connected to one end of the block near the discharge port. A support plate is fixedly connected to one side of the bottom of the water tank. A slot is opened on the top of the block. A discharge pipe is embedded in one side of the bottom of the water tank. A support block is fixedly connected to one side of the front of the water tank. A retractable rod is fixedly connected to the bottom of the support block. A second retractable spring is sleeved on the outside of the retractable rod. An insert plate is fixedly connected to the bottom of the retractable rod, and the bottom of the insert plate is inserted into the slot.

[0011] Preferably, the rinsing assembly includes an annular plate fixedly installed on the top of the water tank box, with an arc-shaped groove inside the annular plate, and inclined tubes embedded on the inner side of the annular plate. A nozzle is fixedly installed at the end of the inclined tube away from the annular plate, and a water tank is fixedly installed on one side of the top of the base plate. A water collection box is fixedly connected to the top of the water tank, and a water pump is fixedly connected to one side of the top of the water tank. A connecting pipe is fixedly connected between the water pump and the water collection box, and a bent pipe is fixedly connected to the output end of the water pump and the opposite side of the water tank. A delivery pipe is fixedly connected between the water collection box and the annular plate.

[0012] Preferably, a water inlet pipe is embedded on one side of the top of the water tank.

[0013] Preferably, one side of the first scraper is in contact with the inner side of the sink box, and the bottom of the second scraper is in contact with the inner bottom side of the sink box.

[0014] Preferably, the first conical tooth and the second conical tooth are engaged in a meshing connection.

[0015] Compared with the prior art, the beneficial effects of this utility model are as follows: A seafood grading and cleaning tank is described below: A servo motor drives the rotation of a drive rod. The rotation of the first conical tooth drives the rotation of the second conical tooth, which in turn drives the rotating rod to rotate inside the tank. The rotation of the rotating rod drives the rotation of two sets of fixed sleeves, which in turn drives the rotation of three brush rollers. The rotation of the two sets of brush rollers ensures that the brush bristles thoroughly agitate and clean the shellfish, thus achieving the effect of physical grading, agitation, and cleaning of shellfish. This meets the grading and cleaning needs of shellfish of various sizes, effectively preventing shellfish accumulation and insufficient cleaning, and greatly improving shellfish production efficiency. The servo motor output shaft operates at high speed, at which time the rotation of the rotating rod drives the rotation of the crossbar sleeve, which in turn drives the rotation of the fixed tube. Using centrifugal force, the fixed tube... The rotation throws out the squeezing rod, causing the first scraper to adhere to and hang against the inner wall of the water tank. At this time, the first contraction spring extends, and the rotation of the rotating rod drives the second scraper to scrape the bottom inside the water tank. Finally, the worker removes larger impurities from the discharge port, thus achieving rapid cleaning of the mud and sand accumulated inside the water tank. This achieves high-frequency cleaning of shellfish and low-frequency cleaning of the water tank, greatly improving the flexibility of the device and the efficiency of daily maintenance. Water is input into the connecting pipe through a water pump and a bend. The cleaning water flows inside the bend, connecting pipe, water collection box, conveying pipe, arc groove, and inclined pipe. Finally, multiple sets of nozzles spray the cleaning water into the inside of the water tank, achieving a rapid rinsing effect while stirring the shellfish, thus greatly improving the cleaning effect of shellfish and seafood, and further improving the efficiency of shellfish production.

[0016] 1. The servo motor is driven at low speed via the control panel operated by the staff. The servo motor drives the drive rod to rotate, which in turn drives multiple sets of first conical teeth. These first conical teeth then drive second conical teeth, which in turn drive a rotating rod inside the water tank. This rotation of the rotating rod drives two sets of fixed sleeves, which in turn drive three brush rollers. The rotation of these two sets of brush rollers ensures the brush bristles thoroughly agitate and wash the shellfish, achieving the physical grading and agitation of shellfish. This method can meet the grading and cleaning needs of shellfish of various sizes, effectively preventing insufficient washing due to shellfish accumulation and significantly improving shellfish production efficiency. When the staff needs to clean the accumulated mud and sand inside the water tank, the servo motor output shaft is driven at high speed via the control panel. This rotation of the rotating rod drives the horizontal sleeve, which in turn drives the fixed tube. Using centrifugal force, the rotating fixed tube throws out the squeezing rod, causing the first scraper to adhere to the inner wall of the water tank. When the device is activated, the first contraction spring extends. When the rotating rod rotates at low speed or stops, the first contraction spring quickly contracts and resets, causing the first scraper to move away from the inner wall of the water tank. Then, the rotation of the rotating rod drives the second scraper to scrape the bottom of the inside of the water tank. Finally, the operator removes larger impurities from the outlet. This allows for rapid cleaning of the mud and sand accumulated inside the water tank, achieving high-frequency cleaning of shellfish and low-frequency cleaning of the water tank. This greatly improves the flexibility of the device and the efficiency of daily maintenance. When the operator inserts the plug into the outlet, the rubber block is deformed by compression. The operator then pulls up the insert plate to compress the contraction rod and the second contraction spring. The second contraction spring is compressed and then contracts. The operator then releases the insert plate, and the bottom of the insert plate is inserted into the slot using the extension and reset property of the second contraction spring. This achieves the effect of quickly fixing the limiting plug and sealing the bottom outlet of the water tank, preventing leakage of shellfish during soaking.

[0017] 2. The water pump is driven by the operator's control panel. The pump and the bend pipe draw water into the connecting pipe. The cleaning water flows through the bend pipe, connecting pipe, water collection box, delivery pipe, arc-shaped groove, and inclined pipe. Finally, multiple nozzles spray the cleaning water into the water tank, achieving a rapid rinsing effect while stirring shellfish. This greatly improves the cleaning effect of shellfish and seafood, further increasing shellfish production efficiency. The design of the water inlet pipe facilitates the operator's ability to add water to the tank. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0019] Figure 2 This is a top view of the overall structure of this utility model;

[0020] Figure 3 This is a cross-sectional view of the overall structure of the cleaning mechanism in this utility model;

[0021] Figure 4 This is a cross-sectional view of the overall structure of the water tank box in this utility model;

[0022] Figure 5 This is a top view of the overall structure of the water tank box in this utility model;

[0023] Figure 6 This is a side view of the overall structure of the retractable rod in this utility model.

[0024] In the diagram: 1. Base plate; 101. Base; 102. Water tank; 2. Cleaning mechanism; 201. Mounting slot; 202. Drive rod; 203. Servo motor; 204. Filter screen; 205. Rotating rod; 206. First conical tooth; 207. Second conical tooth; 208. Fixing sleeve; 209. Brush roller; 210. Crossbar sleeve; 211. Fixing tube; 212. Extrusion rod; 213. First scraper; 214. First contraction spring; 215. Second scraper; 216. Discharge port 217. Block; 218. Rubber block; 219. Support plate; 2191. Slot; 220. Discharge pipe; 221. Support block; 222. Retraction rod; 223. Second retraction spring; 224. Insert plate; 3. Flushing assembly; 301. Annular plate; 302. Arc groove; 303. Inclined pipe; 304. Nozzle; 305. Water tank; 306. Water collection box; 307. Water pump; 308. Connecting pipe; 309. Bend; 310. Conveying pipe; 311. Water inlet pipe. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] Please see Figure 1-6 The present invention provides a technical solution: a seafood grading and cleaning tank, including a bottom plate 1, a base 101 fixedly connected to the bottom of the bottom plate 1, and a water tank box 102 fixedly installed on the top of the bottom plate 1; a cleaning mechanism 2 is provided between the bottom plate 1 and the water tank box 102, and a rinsing component 3 is provided on the top of the water tank box 102.

[0027] The cleaning mechanism 2 includes an installation groove 201 inside the base plate 1, and a drive rod 202 is rotatably connected between the installation groove 201 and the base plate 1. A servo motor 203 is fixedly installed at one end of the drive rod 202. A filter screen 204 is fixedly installed inside the water tank 102. A rotating rod 205 is rotatably connected between the water tank 102, the filter screen 204, the base plate 1, and the installation groove 201. A first conical tooth 206 is fixedly installed on the outside of the drive rod 202. A second conical tooth 207 is fixedly installed at the bottom of the rotating rod 205. The first conical tooth 206 and the second conical tooth 207 are meshed together. A fixing sleeve 208 is fixedly installed on the top outer side of the rotating rod 205. A brush roller 209 is fixedly installed on the outside of the fixing sleeve 208. This mechanism can achieve the effect of physical grading, storage, stirring, and washing of shellfish, meet the grading and washing effect of shellfish of various sizes, effectively avoid the phenomenon of insufficient washing caused by shellfish accumulation, and greatly improve the shellfish production efficiency.

[0028] A crossbar sleeve 210 is fixedly installed on the outer center of the rotating rod 205, and fixed tubes 211 are symmetrically fixedly connected to both ends of the crossbar sleeve 210. A pressing rod 212 is slidably connected to the end of the fixed tube 211 away from the crossbar sleeve 210, and a first scraper 213 is fixedly installed on one end of the pressing rod 212. A first contraction spring 214 is installed inside the fixed tube 211, and a second scraper 215 is fixedly installed on the outer bottom of the rotating rod 205. One side of the first scraper 213 is in contact with the inner side of the sink box 102, and the bottom of the second scraper 215 is in contact with the inner bottom side of the sink box 102. The rotation of 210 drives the rotation of the fixed tube 211. Using centrifugal force, the fixed tube 211 rotates and throws out the squeezing rod 212, so that the first scraper 213 is attached to the inner wall of the water tank box 102. Then, the rotation of the rotating rod 205 drives the second scraper 215 to scrape the bottom inside the water tank box 102. Finally, the staff removes the larger impurities from the discharge port 216. This enables the rapid cleaning of the mud and sand impurities accumulated inside the water tank box 102, achieving the effect of high-frequency cleaning of shellfish and low-frequency cleaning of the water tank box 102. This greatly improves the flexibility of the device during use and increases the efficiency of daily maintenance.

[0029] A discharge port 216 is provided on one side of the front of the water tank 102, and a plug 217 is inserted inside the discharge port 216. A rubber block 218 is fixedly connected to one end of the plug 217 near the discharge port 216. A support plate 219 is fixedly connected to one side of the bottom of the water tank 102, and a slot 2191 is provided on the top of the plug 217. A discharge pipe 220 is embedded in one side of the bottom of the water tank 102. A support block 221 is fixedly connected to one side of the front of the water tank 102, and a retraction rod 222 is fixedly connected to the bottom of the support block 221. A second retraction spring 223 is sleeved on the outside of the retraction rod 222, and an insert plate 224 is fixedly connected to the bottom of the retraction rod 222. The bottom of the insert plate 224 is inserted into the slot 2191, thereby achieving the effect of quickly fixing and limiting the plug 217, and thus achieving the effect of quickly sealing the bottom outlet of the water tank 102, preventing leakage of shellfish during soaking.

[0030] The rinsing assembly 3 includes an annular plate 301 fixedly installed on the top of the water tank 102. An arc-shaped groove 302 is formed inside the annular plate 301, and inclined tubes 303 are embedded on the inner side of the annular plate 301. A nozzle 304 is fixedly installed at the end of the inclined tube 303 away from the annular plate 301. A water tank 305 is fixedly installed on one side of the top of the base plate 1, and a water collection box 306 is fixedly connected to the top of the water tank 305. A water pump 307 is fixedly connected to one side of the top of the water tank 305, and the water pump 307 and the water collection box 306 are fixedly connected. A connecting pipe 308 is fixedly connected, and a bend 309 is fixedly connected to the output end of the water pump 307 and the opposite side of the water tank 305. A conveying pipe 310 is fixedly connected between the water collection box 306 and the annular plate 301. A water inlet pipe 311 is embedded on the top side of the water tank 305, which can achieve the effect of quickly rinsing shellfish when stirring, thereby greatly improving the cleaning effect of shellfish and seafood, and further improving the shellfish production efficiency. The design of the water inlet pipe 311 makes it convenient for staff to add water to the water tank 305.

[0031] Working principle: Before using this type of seafood grading and cleaning tank, it is necessary to check the overall condition of the device to ensure it can operate normally. Figure 1 - Figure 6As shown, the staff first pours salt water into the water tank 102 to soak the shellfish of different sizes in the water tank 102 to remove mud and sand. The filter screens 204 in the three sets of water tanks 102 have different pore sizes. Then, the staff connects the discharge pipe 220 to the pipeline and the external sewage tank, and uses the rinsing component 3 to rinse the shellfish in the water tank 102. Then, the staff operates the control panel to drive the servo motor 203 to run at low speed. The operation of the servo motor 203 drives the drive rod 202 to rotate. The rotation of the drive rod 202 drives the rotation of multiple sets of first conical teeth 206. The rotation of the first conical teeth 206 drives the rotation of the second conical teeth 207. The rotation of the second conical teeth 207 drives the rotating rod 205 to rotate in the water tank. The internal rotation of box 102 causes the rotating rod 205 to rotate, which in turn drives the two sets of fixed sleeves 208 to rotate. The rotation of the fixed sleeves 208 then drives the three brush rollers 209 to rotate. The rotation of the two sets of brush rollers 209 ensures that the bristles thoroughly agitate and wash the shellfish, achieving the effect of physical grading, agitation, and washing of shellfish. This can meet the grading and cleaning needs of shellfish of various sizes, effectively preventing insufficient washing due to shellfish accumulation, and greatly improving shellfish production efficiency. When the operator needs to clean the accumulated mud and sand inside the water tank box 102, the operator operates the control panel to drive the output shaft of the servo motor 203 to run at high speed. At this time, the rotation of the rotating rod 205 drives the rotation of the crossbar sleeve 210, and the rotation of the crossbar sleeve 210... The rotation of the fixed tube 211 utilizes centrifugal force to cause the fixed tube 211 to rotate and throw out the extrusion rod 212, thereby causing the first scraper 213 to adhere and hang against the inner wall of the water tank 102. Since the two ends of the first contraction spring 214 are fixedly connected to the inside of the fixed tube 211 and the extrusion rod 212, when the extrusion rod 212 is thrown out, the first contraction spring 214 extends. When the rotating rod 205 rotates at low speed or stops, the first contraction spring 214 quickly contracts and returns to its original position, thereby causing the first scraper 213 to move away from the inner wall of the water tank 102. Then, the rotation of the rotating rod 205 drives the second scraper 215 to scrape the bottom inside the water tank 102. Finally, the worker removes larger impurities from the discharge port 216, thus achieving... This device quickly cleans the accumulated mud and sand inside the water tank 102, achieving high-frequency cleaning of shellfish and low-frequency cleaning of the water tank 102. This greatly improves the flexibility of the device during use and increases the efficiency of daily maintenance. When the worker inserts the plug 217 into the discharge port 216, the rubber block 218 is compressed and deformed. Then, the worker pulls up the insert plate 224 to compress the retraction rod 222 and the second retraction spring 223. At this time, the second retraction spring 223 is compressed and retracted. Then, the worker releases the insert plate 224, and the second retraction spring 223 extends and returns to its original position, allowing the bottom of the insert plate 224 to engage with the slot 2191, thus achieving the effect of quickly fixing and limiting the plug 217.This allows for rapid sealing of the bottom outlet of the water tank 102, preventing leakage of shellfish during soaking.

[0032] The water pump 307 is driven by the operator's control panel. Water is pumped into the connecting pipe 308 via the water pump 307 and the bend 309. The cleaning water flows through the bend 309, the connecting pipe 308, the water collection box 306, the delivery pipe 310, the arc groove 302, and the inclined pipe 303. Finally, multiple nozzles 304 spray the cleaning water into the water tank 102, thus achieving a rapid rinsing effect on the shellfish during agitation. This greatly improves the cleaning effect of shellfish and seafood, further increasing shellfish production efficiency. The design of the inlet pipe 311 facilitates the operator to add water to the water tank 305. Waterproof gaskets are used between the pipes to prevent water leakage.

[0033] All standard parts used in this utility model can be purchased from the market, and irregular parts can be customized according to the description and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts and equipment adopt conventional models in the prior art. In addition, the circuit connection adopts conventional connection methods in the prior art, which will not be described in detail here. The contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0034] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A seafood grading and cleaning tank, comprising a bottom plate (1), wherein a base (101) is fixedly connected to the bottom of the bottom plate (1), and a water tank box (102) is fixedly installed on the top of the bottom plate (1); characterized in that Also includes: A cleaning mechanism (2) is provided between the base plate (1) and the sink box (102), and a rinsing assembly (3) is provided on the top of the sink box (102); The cleaning mechanism (2) includes an installation groove (201) inside the base plate (1), and a drive rod (202) is rotatably connected between the installation groove (201) and the base plate (1). A servo motor (203) is fixedly installed at one end of the drive rod (202). A filter screen (204) is fixedly installed inside the water tank (102). A rotating rod (205) is rotatably connected between the water tank (102), the filter screen (204), the base plate (1), and the installation groove (201). A first conical tooth (206) is fixedly installed on the outside of the drive rod (202). A second conical tooth (207) is fixedly installed at the bottom of the rotating rod (205). A fixing sleeve (208) is fixedly installed on the top outer side of the rotating rod (205). A brush roller (209) is fixedly installed on the outside of the fixing sleeve (208).

2. A grading and cleaning tank for seafood as claimed in claim 1 wherein: A crossbar sleeve (210) is fixedly installed on the outside of the center of the rotating rod (205), and a fixing tube (211) is symmetrically fixedly connected to both ends of the crossbar sleeve (210). A pressing rod (212) is slidably connected to the end of the fixing tube (211) away from the crossbar sleeve (210). A first scraper (213) is fixedly installed on one end of the pressing rod (212), and a first contraction spring (214) is provided inside the fixing tube (211). A second scraper (215) is fixedly installed on the outside of the bottom of the rotating rod (205).

3. The grading and cleaning tank for seafood according to claim 1, wherein: The water tank (102) has a discharge port (216) on one side of its front, and a plug (217) is inserted inside the discharge port (216). A rubber block (218) is fixedly connected to one end of the plug (217) near the discharge port (216). A support plate (219) is fixedly connected to one side of the bottom of the water tank (102), and a slot (2191) is provided on the top of the plug (217). The water tank (102) has... A discharge pipe (220) is embedded on one side of the bottom, and a support block (221) is fixedly connected to one side of the front of the water tank (102). A retractable rod (222) is fixedly connected to the bottom of the support block (221), and a second retractable spring (223) is sleeved on the outside of the retractable rod (222). A plug plate (224) is fixedly connected to the bottom of the retractable rod (222), and the bottom of the plug plate (224) is inserted into the slot (2191).

4. The grading and cleaning tank for seafood according to claim 1, wherein: The rinsing assembly (3) includes an annular plate (301) fixedly installed on the top of the water tank (102), and an arc-shaped groove (302) is provided inside the annular plate (301). Inclined tubes (303) are embedded on the inner side of the annular plate (301), and a nozzle (304) is fixedly installed at the end of the inclined tube (303) away from the annular plate (301). A water tank (305) is fixedly installed on one side of the top of the base plate (1), and the water tank (304)... 5) A water collection box (306) is fixedly connected to the top, and a water pump (307) is fixedly connected to one side of the top of the water tank (305). A connecting pipe (308) is fixedly connected between the water pump (307) and the water collection box (306), and a bend pipe (309) is fixedly connected between the output end of the water pump (307) and the opposite side of the water tank (305). A delivery pipe (310) is fixedly connected between the water collection box (306) and the annular plate (301).

5. A grading and cleaning tank for seafood as claimed in claim 4 wherein: A water inlet pipe (311) is embedded on one side of the top of the water tank (305).

6. A seafood grading and cleaning tank according to claim 2, characterized in that: One side of the first scraper (213) is in contact with the inside of the sink box (102), and the bottom of the second scraper (215) is in contact with the bottom inside of the sink box (102).

7. The grading and cleaning tank of claim 1, wherein: The first conical tooth (206) and the second conical tooth (207) are meshed together.

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