A shrimp body righting device

Abstract

The invention relates to the technical field of food processing equipment, and discloses a shrimp body righting device, comprising a frame, a conveying structure, a driving structure, a first righting wheel and a second righting wheel, wherein the conveying structure has a conveying surface for conveying shrimp bodies; the first righting wheel is provided with a first righting section whose outer diameter gradually decreases from bottom to top; the bottom end of the first righting wheel and the bottom end of the second righting wheel are located above the conveying surface, and the second righting wheel is provided with a second righting section whose outer diameter gradually decreases from bottom to top, and the driving structure can drive the two righting wheels to rotate relative to each other, the bottom end of the first righting wheel or the bottom end of the second righting wheel is abutted and supported with the belly end of the shrimp, and the shrimp back is abutted with the second righting section or the first righting section, and when the width between the two righting wheels is gradually reduced, the shrimp back will be gradually guided by the second righting section or the first righting section to move upward, and finally the shrimp body lying flat passing by is righted, so that the shrimp back is facing upward for processing, thereby improving the processing efficiency.

Description

Technical Field

[0001] The invention relates to the technical field of food processing equipment, in particular to a shrimp body righting device. Background Art

[0002] Shrimp is extremely nutritious and has a very high nutritional value for the human body. Shrimp contains 20% protein, which is one of the foods with a high protein content, several times or even dozens of times that of fish, eggs, and milk; shrimp contains glycine, an amino acid with a very high content; compared with fish and poultry, it has less fat content and almost no animal sugar as an energy source; shrimp has a high cholesterol content and is rich in taurine that can lower human serum cholesterol; shrimp is rich in trace elements such as potassium, iodine, magnesium, phosphorus, and vitamin A. Its meat is soft and easy to digest, and it is an excellent food for people who are weak or need to recuperate after illness. Shrimp is rich in magnesium, which has an important regulatory effect on heart activity and can protect the cardiovascular system well. It can reduce the cholesterol content in the blood, prevent arteriosclerosis, and dilate the coronary artery, which is beneficial for preventing hypertension and myocardial infarction.

[0003] Even though transportation is relatively developed now, the transportation cost of live shrimp is still very high. Therefore, many shrimp processing companies use fresh shrimp as raw materials. After removing the shrimp heads, shells and intestines, they can get shrimp meat, which is further processed into frozen shrimp meat and frozen shrimp products.

[0004] At present, there are two main types of shrimp processing equipment in the domestic processing industry. One uses a roller rotary mill. wipe The shell is peeled by placing the headless shrimp between two pairs of rollers without precise positioning. The rollers rotate back and forth multiple times to grind the shrimp. wipe The shrimp shell is loosened and taken away by the rotating rollers, leaving the shrimp meat. The disadvantages are that the raw materials need to be soaked for a long time, the shelling is not clean, the yield is low, etc.; the other is a semi-automatic shelling machine, which manually places the headless shrimps one by one in the conveyor belt tray slot, so that the shrimp back or shrimp belly faces up, and then feeds them into the machine. The conveyor device is used to make the headless shrimps pass through various functional stations such as positioning clamping, back opening, shelling, and deveining one by one, and finally the processed shrimp meat is obtained. It can be seen that the existing processing equipment cannot realize the automatic directional placement of the shrimp body, and the processing efficiency is low, resulting in a small application range of the existing shrimp peeling machinery and equipment, and it cannot be promoted on a large scale. Summary of the invention

[0005] The technical problem to be solved by the present invention is to provide a shrimp body straightening device which can automatically straighten the shrimp body so that the shrimp back faces upward.

[0006] In order to solve the above technical problems, the present invention provides a shrimp body righting device, including a frame, a conveying structure, a driving structure, a first righting wheel and a second righting wheel, wherein the conveying structure has a conveying surface for conveying shrimp bodies; the driving structure is arranged on the frame; the first righting wheel is drivingly connected to the driving structure, the bottom end of the first righting wheel is located above the conveying surface, and the first righting wheel is provided with a first righting section with an outer diameter gradually decreasing from bottom to top; the second righting wheel is drivingly connected to the driving structure, the bottom end of the second righting wheel is connected to the first righting section with an outer diameter gradually decreasing from bottom to top; The bottom ends of the first and second righting wheels are flush with each other, and the second righting wheel is provided with a second righting section whose outer diameter gradually decreases from bottom to top. The driving structure can drive the two righting wheels to rotate relative to each other. When the shrimp bodies on the conveying surface enter between the first and second righting wheels, the bottom end of the first righting wheel is abutted and supported against the end of the shrimp abdomen, and the second righting section is abutted against the shrimp back to guide the shrimp back to move upward; or the bottom end of the second righting wheel is abutted and supported against the end of the shrimp abdomen, and the first righting section is abutted against the shrimp back to guide the shrimp back to move upward.

[0007] As a preferred embodiment, the first righting section and the second righting section are in the form of cones whose outer walls are concave inwards.

[0008] As a preferred embodiment, the bottom end of the first righting wheel is provided with a first supporting section which is smoothly connected to the first righting section, and the bottom end of the second righting wheel is provided with a second supporting section which is smoothly connected to the second righting section, and the first supporting section and the second supporting section are circular arc chamfers with outer diameters gradually decreasing from top to bottom.

[0009] As a preferred solution, the height of the first supporting segment and the height of the second supporting segment are greater than 1 / 10 of the thickness of the shrimp body and less than 1 / 3 of the thickness of the shrimp body.

[0010] As a preferred embodiment, the driving structure includes a righting drive and a transmission assembly, the righting drive is arranged on the frame, the power output end of the righting drive is connected to the second righting wheel, and the transmission assembly is connected between the first righting wheel and the second righting wheel.

[0011] As a preferred embodiment, the transmission assembly includes a first gear and a second gear, a first rotating shaft is provided at the top of the first straightening wheel, the first gear is provided on the first rotating shaft, a second rotating shaft is provided at the top of the second straightening wheel, the second gear is provided on the second rotating shaft, the second rotating shaft is connected to the power output end of the straightening drive member, and the first gear and the second gear are meshed with each other.

[0012] As a preferred solution, the second rotating shaft is provided with a first transmission wheel, the power output end of the straightening drive member is provided with a second transmission wheel, and the first transmission wheel is connected to the second transmission wheel via a transmission belt.

[0013] As a preferred embodiment, the conveying structure includes a conveying drive, a first conveying wheel, a second conveying wheel, a conveyor belt and a first support frame, the conveying drive is used to provide driving force and is installed on the frame; the first conveying wheel is connected to the output end of the conveying drive and is installed on the frame; the second conveying wheel is installed on the frame; the conveyor belt is drivingly connected to the first conveying wheel and the second conveying wheel, and the surface of the conveyor belt is defined as the conveying surface; the first support frame is provided with a first channel for the conveyor belt to pass through, and the first support frame is arranged on the frame, when the conveyor belt passes through the first channel, the two sides of the conveyor belt are bent upward relative to each other, so that the conveyor belt forms a conveying trough, and the bottom end of the second righting wheel and the bottom end of the first righting wheel are located at the inlet end of the conveying trough.

[0014] As a preferred embodiment, the conveying structure also includes a first guide plate and a second guide plate, one end of the first guide plate is arranged opposite to the first righting wheel; one end of the second guide plate is arranged opposite to the second righting wheel, and the other end of the first guide plate and the other end of the second guide plate are respectively located on both sides of the conveyor belt.

[0015] As a preferred embodiment, the conveying structure further includes a first output plate and a second output plate, one end of the first output plate is arranged opposite to the first righting wheel; one end of the second output plate is arranged opposite to the second righting wheel, and the other end of the first output plate and the other end of the second output plate are respectively located on the inlet end of the conveying trough.

[0016] As a preferred embodiment, the conveying structure also includes a second support frame, which is located at the rear side of the first support frame. The second support frame is provided with a second channel for the conveyor belt to pass through. The second support frame is arranged on the frame. When the conveyor belt passes through the second channel, the two sides of the conveyor belt are bent upward relative to each other to extend the length of the conveying trough.

[0017] Compared with the prior art, the shrimp body righting device provided by the present invention has the following beneficial effects:

[0018] In the present invention, the conveying structure is used to convey shrimp bodies, and the driving structure can drive the two righting wheels to rotate relative to each other. When the shrimp bodies on the conveying surface enter between the first righting wheel and the second righting wheel, the bottom end of the first righting wheel or the bottom end of the second righting wheel abuts and supports the end of the shrimp abdomen (shrimp tail or shrimp head meat) to play a supporting role, and the shell at the shrimp back position is in an arc shape, so that the middle position of the shrimp back abuts against the second righting section or the first righting section. When the width between the first righting wheel and the second righting wheel gradually decreases, the shrimp back will be gradually guided by the second righting section or the first righting section to move upward, and finally achieve a righting effect on the shrimp bodies that are lying flat and passing by, so that the shrimp bodies enter each functional station with their backs facing up for processing operations, without the need for manual placement, thereby greatly improving the processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the righting mechanism in the shrimp righting device according to the preferred embodiment of the present invention.

[0020] Figure 2 It is a principle analysis diagram of the righting mechanism in the shrimp righting device of the preferred embodiment of the present invention.

[0021] Figure 3 It is a schematic diagram of the overall structure of a shrimp body righting device according to a preferred embodiment of the present invention.

[0022] Figure 4 It is a side structural schematic diagram of a shrimp body righting device according to a preferred embodiment of the present invention.

[0023] In the figure:

[0024] 100. Rack;

[0025] 200. conveying structure; 210. conveying driving member; 220. first conveying wheel; 230. second conveying wheel; 240. conveying belt; 241. conveying surface; 242. conveying trough; 250. first supporting frame; 251. first channel; 260. second supporting frame; 261. second channel;

[0026] 300. driving structure; 310. straightening driving member; 320. first gear; 330. second gear; 340. first rotating shaft; 350. second rotating shaft; 360. first transmission wheel; 370. second transmission wheel; 380. transmission belt; 390. mounting plate;

[0027] 400. First righting wheel; 410. First righting section; 420. First supporting section; 430. First connecting section;

[0028] 500. second righting wheel; 510. second righting section; 520. second supporting section; 530. second connecting section;

[0029] 600. A first guide plate;

[0030] 700. Second guide plate;

[0031] 800. First output board;

[0032] 900. Second output plate. DETAILED DESCRIPTION

[0033] The specific implementation of the present invention is further described in detail below in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0034] In the description of the present invention, it should be noted that the terms "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0035] In the description of the present invention, it should be understood that the terms "connected", "connected", "fixed" and the like used in the present invention should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or a welding connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0036] like Figures 1 to 4As shown, a preferred embodiment of the present invention provides a shrimp body righting device, comprising a frame 100, a conveying structure 200, a driving structure 300, a first righting wheel 400 and a second righting wheel 500, wherein the conveying structure 200 has a conveying surface 241 for conveying shrimp bodies, the driving structure 300 is arranged on the frame 100, the first righting wheel 400 is drivingly connected to the driving structure 300, the bottom end of the first righting wheel 400 is located above the conveying surface 241, the first righting wheel 400 is provided with a first righting section 410 with an outer diameter gradually decreasing from bottom to top, the second righting wheel 500 is drivingly connected to the driving structure 300, and the second righting wheel 500 is drivingly connected to the driving structure 300. The bottom end of the first righting wheel 400 is flush with the bottom end of the first righting wheel 400, the second righting wheel 500 is provided with a second righting section 510 whose outer diameter gradually decreases from bottom to top, the driving structure 300 can drive the two righting wheels to rotate relative to each other, when the shrimp body on the conveying surface 241 enters between the first righting wheel 400 and the second righting wheel 500, the bottom end of the first righting wheel 400 is abutted and supported against the end of the shrimp abdomen, and the second righting section 510 is abutted against the shrimp back to guide the shrimp back to move upward; or the bottom end of the second righting wheel 500 is abutted and supported against the end of the shrimp abdomen, and the first righting section 410 is abutted against the shrimp back to guide the shrimp back to move upward.

[0037] The shrimp body straightening device based on the above technical features uses the conveying structure 200 to convey the shrimp body, and the driving structure 300 can drive the two straightening wheels to rotate relative to each other. When the shrimp body on the conveying surface 241 enters between the first straightening wheel 400 and the second straightening wheel 500, the bottom end of the first straightening wheel 400 or the bottom end of the second straightening wheel 500 is in contact with the end of the shrimp abdomen (shrimp tail or shrimp head meat) for support, and plays a supporting role. The shell at the shrimp back position is in an arc shape, so that the middle position of the shrimp back is in contact with the second straightening section 510 or the first straightening section 410. When the width between the first straightening wheel 400 and the second straightening wheel 500 gradually decreases, the shrimp back will be gradually guided by the second straightening section 510 or the first straightening section 410 to move upward, and finally the shrimp body lying flat passing by is straightened, so that the shrimp body enters each functional station with its back facing up for processing operation, without manual placement, thereby greatly improving the processing efficiency.

[0038] In this embodiment, the first righting section 410 and the second righting section 510 are both cones with their outer walls concave inward, that is, the lower halves of the first righting section 410 and the second righting section 510 are relatively flat, which facilitates the shrimp back to better enter the first righting section 410 or the second righting section 510, and the upper halves of the first righting section 410 and the second righting section 510 are relatively steep, which exert an upward force on the shrimp back, making it easy to quickly guide the shrimp back to move upward, thereby achieving the effect of righting the shrimp back facing upward.

[0039] In this embodiment, the bottom end of the first righting wheel 400 is provided with a first support section 420 smoothly connected to the first righting section 410, and the bottom end of the second righting wheel 500 is provided with a second support section 520 smoothly connected to the second righting section 510. The first support section 420 and the second support section 520 are chamfered with an outer diameter gradually decreasing from top to bottom, which exerts a downward force on the end of the shrimp abdomen and plays a better supporting role. Among them, there is a certain distance gap between the first support section 420 and the second support section 520 and the conveying surface 241, that is, the two do not abut each other to avoid mutual interference between different movement directions. The height of the first support section 420 and the height of the second support section 520 are greater than 1 / 10 of the thickness of the shrimp body and less than 1 / 3 of the thickness of the shrimp body, ensuring that the first righting section 410 or the second righting section 510 can abut against the shrimp back. The thickness of the shrimp body here refers to the maximum thickness value of the shrimp body, which is generally the thickness value located in the middle of the shrimp back.

[0040] Furthermore, the top of the first righting wheel 400 is provided with a first connecting section 430 smoothly connected to the first righting section 410, and the top of the second righting wheel 500 is provided with a second connecting section 530 smoothly connected to the second righting section 510. The first connecting section 430 and the second connecting section 530 are cones with outer diameters gradually increasing from bottom to top, so that the overall contours of the first righting wheel 400 and the second righting wheel 500 are in the shape of an inwardly bent drum, thereby improving the stability of the rotation process. In addition, the symmetrical rotation of the first righting wheel 400 and the second righting wheel 500 also has a certain conveying effect on the shrimp body, and its conveying direction is consistent with the conveying direction of the conveyor belt 240.

[0041] Among them, Figure 2As shown, point A is the point of action of the second righting wheel 500 on the shrimp abdomen, point B is the point of action of the first righting wheel 400 on the shrimp back, and according to the principle of vector parallelogram, it can be obtained that F1 is the force acting on the shrimp back at point B, and F2 is the force acting on the shrimp abdomen at point A. F1 and F2 are forces of different positions, equal magnitudes and opposite directions, F3 is the pressure of the first righting wheel 400 on the shrimp back, F4 is the pressure of the second righting wheel 500 on the shrimp abdomen, F5 is the friction force maintaining balance between the first righting wheel 400 and the shrimp back, F6 is the friction force maintaining balance between the second righting wheel 500 and the shrimp abdomen, G is gravity, the direction of the arrow is the direction of the force, and the length of the arrow indicates the magnitude of the force. It can be further obtained that AC is the power arm for turning the shrimp back upward, BD is the power arm for turning the shrimp abdomen upward, AE is the resistance arm that prevents the shrimp back from turning upward, and BH is the resistance arm that prevents the shrimp abdomen from turning upward. Through force analysis, it can be obtained that in order to maintain the dynamic balance of the shrimp body, the required friction force F5 is much greater than F6, so point B is more likely to slide, and its sliding direction is opposite to F5. This is because the flipping effect is proportional to the power and the power arm, and inversely proportional to the resistance and the resistance arm. The gravity G is what hinders the shrimp's back from flipping upward and the shrimp's belly from flipping upward. The resistance arms AE and BH are not much different in size, and the sizes of F3 and F4 that flip the shrimp's back and belly upward are not much different. The power arm AC that flips the shrimp's back upward is many times larger than the power arm BD that flips the shrimp's belly upward. Therefore, when the shrimp body enters between the first righting wheel 400 and the second righting wheel 500, the shrimp's back will definitely flip upward to achieve the righting effect.

[0042] In this embodiment, the driving structure 300 includes a righting drive member 310 and a transmission assembly. The righting drive member 310 is arranged on the frame 100. The power output end of the righting drive member 310 is connected to the second righting wheel 500. The transmission assembly is connected between the first righting wheel 400 and the second righting wheel 500. The second righting wheel 500 is driven to rotate by the righting drive member 310, and the first righting wheel 400 is driven to rotate relatively by the transmission assembly. The first righting wheel 400 and the second righting wheel 500 can righting the shrimp body so that the shrimp back is facing upward during the forward conveying process.

[0043] Furthermore, the transmission assembly includes a first gear 320 and a second gear 330, a first rotating shaft 340 is provided at the top of the first righting wheel 400, the first rotating shaft 340 is located on the central axis of the first righting wheel 400, the first gear 320 is provided on the first rotating shaft 340, a second rotating shaft 350 is provided at the top of the second righting wheel 500, the second rotating shaft 350 is located on the central axis of the second righting wheel 500, the second gear 330 is provided on the second rotating shaft 350, the second rotating shaft 350 is connected to the power output end of the righting drive member 310, the first gear 320 and the second gear 330 are meshed, and when the second righting wheel 500 rotates, the meshing transmission of the first gear 320 and the second gear 330 is used to realize the relative rotation of the first righting wheel 400 and the second righting wheel 500, and has good synchronization. The first gear 320 and the second gear 330 are mounted on a mounting plate 390 , and the straightening driving member 310 is also mounted on the mounting plate 390 . The mounting plate 390 is then integrally assembled on the frame 100 .

[0044] Furthermore, the second rotating shaft 350 is provided with a first transmission wheel 360, and the power output end of the straightening drive member 310 is provided with a second transmission wheel 370. The first transmission wheel 360 and the second transmission wheel 370 are connected by a transmission belt 380. The transmission belt 380 is a belt. The first straightening wheel 400 is driven to rotate by the transmission belt 380, which can alleviate the impact and vibration of the gear transmission, and the movement is smooth and noiseless, which plays a safety protection role and is convenient for adjusting the position of the straightening drive member 310.

[0045] In this embodiment, if Figure 3 to Figure 4As shown, the conveying structure 200 includes a conveying driving member 210, a first conveying wheel 220, a second conveying wheel 230, a conveying belt 240 and a first supporting frame 250. The conveying driving member 210 is used to provide a driving force and is installed on the frame 100. The first conveying wheel 220 is connected to the output end of the conveying driving member 210 and is installed on the frame 100. The second conveying wheel 230 is installed on the frame 100. The conveying belt 240 is drivingly connected to the first conveying wheel 220 and the second conveying wheel 230. The surface of the conveying belt 240 is defined as the conveying surface 241. The first support frame 250 is provided with a first channel 251 for the conveyor belt 240 to pass through, and the first support frame 250 is arranged on the frame 100 through a support plate. When the conveyor belt 240 passes through the first channel 251, the two sides of the conveyor belt 240 are bent upward relative to each other so that the conveyor belt 240 forms a conveying groove 242, and the bottom end of the second righting wheel 500 and the bottom end of the first righting wheel 400 are located at the entrance end of the conveying groove 242, that is, the first support section 420 and the second support section 520 are in contact with the conveying surface 241 and are located at the entrance end of the conveying groove 242.

[0046] The conveying drive 210 can drive the conveyor belt 240 to transmit between the first conveying wheel 220 and the second conveying wheel 230 to realize the conveying of the shrimp body. The first channel 251 on the first support frame 250 is used to bend the two sides of the conveyor belt 240 upward to form a conveying trough 242, the first straightening wheel 400 and the second straightening wheel 500 are located in the transition zone where the conveyor belt 240 is bent upward, and the first support section 420 and the second support section 520 are close to the surface of the conveyor belt 240, so that the shrimp body after straightening enters the conveying trough 242 and can be kept in a vertical state for conveying, so that the shrimp body is conveyed to each functional station with its back facing upward.

[0047] The conveying structure 200 further includes a second support frame 260, which is located at the rear side of the first support frame 250. The second support frame 260 is provided with a second channel 261 for the conveyor belt 240 to pass through. The second support frame 260 is provided on the frame 100 through a support plate. When the conveyor belt 240 passes through the second channel 261, the two sides of the conveyor belt 240 are bent upwards relative to each other to extend the length of the conveying trough 242. The longitudinal sections of the first channel 251 and the second channel 261 are U-shaped, so that the side walls of the first channel 251 and the second channel 261 restrict the conveyor belt 240, so that the two sides of the conveyor belt 240 are bent upwards relative to each other to form a conveying trough 242 with a certain length. The conveying trough 242 clamps the shrimp body, so that the shrimp body is kept in a vertical state in the conveying trough 242 for conveying, and will be squeezed and straightened, so as to realize the clamping and conveying of the shrimp body.

[0048] In this embodiment, a first guide plate 600 and a second guide plate 700 are further included. One end of the first guide plate 600 is arranged opposite to the first righting wheel 400, and one end of the second guide plate 700 is arranged opposite to the second righting wheel 500. The other end of the first guide plate 600 and the other end of the second guide plate 700 are respectively located on both sides of the conveyor belt 240, that is, the first guide plate 600 and the second guide plate 700 are located above the conveyor belt 240, and the shape formed by the combination of the first guide plate 600 and the second guide plate 700 is an "eight" shape to guide the shrimp body into between the first righting wheel 400 and the second righting wheel 500.

[0049] In this embodiment, a first output plate 800 and a second output plate 900 are also included. One end of the first output plate 800 is arranged opposite to the first righting wheel 400, and one end of the second output plate 900 is arranged opposite to the second righting wheel 500. The other end of the first output plate 800 and the other end of the second output plate 900 are respectively located at the inlet end of the conveying trough 242. The first output plate 800 and the second output plate 900 limit the position of the shrimp body after righting, ensuring that the shrimp body enters the conveying trough 242 with the back facing upward. The first output plate 800 and the second output plate 900 are in a parallel state. The first guide plate 600, the second guide plate 700, the first output plate 800 and the second output plate 900 can be installed on the frame 100 in the form of a fixed frame.

[0050] The working principle of the shrimp body straightening device described in this embodiment is as follows: the shrimp tail is oriented toward the moving direction of the conveyor belt 240 and is placed flat on the surface of the conveyor belt 240. Under the guidance of the first guide plate 600 and the second guide plate 700, when the shrimp body enters between the first straightening wheel 400 and the second straightening wheel 500, the first support segment 420 or the second support segment 520 abuts against the shrimp tail for support, exerting a downward force to play a supporting role, and the arc-shaped shrimp back abuts against the second straightening segment 510 or the first straightening segment 410 abut against each other, so that the conical surface has a force acting on the shrimp's back upward. When the width between the first righting wheel 400 and the second righting wheel 500 gradually decreases, the shrimp's back will be gradually guided upward by the second righting section 510 or the first righting section 410 until the shrimp body is twisted into a state with its back facing upward, and then passes through the first output plate 800 and the second output plate 900, so that the shrimp body maintains a basic state with its back obliquely upward to enter the conveying trough 242, and is finally conveyed to various functional stations along the conveyor belt 240.

[0051] In summary, the shrimp body straightening device provided by the embodiment of the present invention has the following advantages: (1) the first straightening wheel 400 and the second straightening wheel 500 in the shape of a waist drum are used to straighten the shrimp body so that its back is facing upward without manual swinging, thereby greatly improving the processing efficiency; (2) the first support frame 250 and the second support frame 260 are used to form a conveying trough 242 on the conveyor belt 240 to keep the shrimp body in a state of facing upward during conveying; (3) the shrimp body is guided into between the first straightening wheel 400 and the second straightening wheel 500 by the first guide plate 600 and the second guide plate 700, and then the first output plate 800 and the second output plate 900 are used to dock with the conveying trough 242, thereby improving the stability of the shrimp body during the straightening and conveying process.

[0052] The above description is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and substitutions can be made without departing from the technical principles of the present invention. These improvements and substitutions should also be regarded as the scope of protection of the present invention.

Claims

1. A shrimp body righting device, characterized in that: include: frame; A conveying structure having a conveying surface for conveying shrimp bodies; A driving structure, which is arranged on the frame; A first righting wheel is drivingly connected to the driving structure, the bottom end of the first righting wheel is located above the conveying surface, and the first righting wheel is provided with a first righting section whose outer diameter gradually decreases from bottom to top; A second righting wheel is drivingly connected to the driving structure, the bottom end of the second righting wheel is flush with the bottom end of the first righting wheel, the second righting wheel is provided with a second righting section whose outer diameter gradually decreases from bottom to top, the driving structure can drive the two righting wheels to rotate relative to each other, when the shrimp body on the conveying surface enters between the first righting wheel and the second righting wheel, the bottom end of the first righting wheel abuts against the end of the shrimp abdomen for support, and the second righting section abuts against the shrimp back to guide the shrimp back to move upward; or the bottom end of the second righting wheel abuts against the end of the shrimp abdomen for support, and the first righting section abuts against the shrimp back to guide the shrimp back to move upward; The first righting section and the second righting section are in the form of cones whose outer walls are concave inwards; The bottom end of the first righting wheel is provided with a first supporting section which is smoothly connected to the first righting section, and the bottom end of the second righting wheel is provided with a second supporting section which is smoothly connected to the second righting section. The first supporting section and the second supporting section are circular arc chamfers with outer diameters gradually decreasing from top to bottom.

2. The shrimp body righting device according to claim 1, characterized in that: The height of the first supporting segment and the height of the second supporting segment are greater than 1 / 10 of the thickness of the shrimp body and less than 1 / 3 of the thickness of the shrimp body.

3. The shrimp body righting device according to claim 1, characterized in that: The driving structure includes a righting drive member and a transmission assembly. The righting drive member is arranged on the frame. The power output end of the righting drive member is connected to the second righting wheel. The transmission assembly is connected between the first righting wheel and the second righting wheel.

4. The shrimp body righting device according to claim 3, characterized in that: The transmission assembly includes a first gear and a second gear. A first rotating shaft is provided at the top of the first straightening wheel, and the first gear is provided on the first rotating shaft. A second rotating shaft is provided at the top of the second straightening wheel, and the second gear is provided on the second rotating shaft. The second rotating shaft is connected to the power output end of the straightening drive member, and the first gear and the second gear are meshed.

5. The shrimp body righting device according to claim 4, characterized in that: The second rotating shaft is provided with a first transmission wheel, the power output end of the straightening drive member is provided with a second transmission wheel, and the first transmission wheel is connected to the second transmission wheel through a transmission belt.

6. The shrimp body righting device according to any one of claims 1 to 5, characterized in that: The conveying structure comprises: A conveying driving member, which is used to provide driving force and is installed on the frame; A first conveying wheel connected to the output end of the conveying driving member and mounted on the frame; A second conveying wheel is mounted on the frame; A conveyor belt, which is drivingly connected to the first conveyor wheel and the second conveyor wheel, and the surface of the conveyor belt is defined as the conveying surface; A first support frame is provided with a first channel for the conveyor belt to pass through. The first support frame is arranged on the frame. When the conveyor belt passes through the first channel, two sides of the conveyor belt are bent upward relative to each other to form a conveying trough. The bottom ends of the second righting wheel and the first righting wheel are located at the inlet end of the conveying trough.

7. The shrimp body righting device according to claim 6, characterized in that: The conveying structure also includes: a first guide plate, one end of which is disposed opposite to the first righting wheel; a second guide plate, one end of which is arranged opposite to the second straightening wheel, and the other end of the first guide plate and the other end of the second guide plate are respectively located on both sides of the conveyor belt; a first output plate, one end of which is disposed opposite to the first righting wheel; One end of the second output plate is arranged opposite to the second straightening wheel, and the other end of the first output plate and the other end of the second output plate are respectively located on the inlet end of the conveying trough.

8. The shrimp body righting device according to claim 6, characterized in that: The conveying structure also includes: The second support frame is located at the rear side of the first support frame. The second support frame is provided with a second channel for the conveyor belt to pass through. The second support frame is arranged on the frame. When the conveyor belt passes through the second channel, the two sides of the conveyor belt are bent upward relative to each other to extend the length of the conveying trough.

Images