A device for shelling crayfish

Abstract

The application belongs to the technical field of lobster processing devices, and particularly relates to a crayfish shelling device, which comprises a bottom box, symmetrical side plates fixedly connected to the two sides of the bottom box, and a mounting table fixed in the middle of the two side plates; a fixing assembly for fixing the position of crayfish, wherein the fixing assembly comprises a vertical rod for inserting crayfish; a guide assembly arranged on the two sides of the vertical rod to guide an operator to insert the head shell of crayfish on the vertical rod from top to bottom; a clamping assembly arranged on one side of the mounting table and used for clamping the tail of crayfish; a driving assembly for driving the clamping assembly to rotate so as to separate the tail from the head shell; and an adjusting assembly for controlling the vertical rod to protrude out of or be retracted into a vertical groove. The application can quickly and completely separate the tail from the head shell, avoid waste of shrimp meat, and automatically classify the tail and the head shell, thereby improving the separation efficiency.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of lobster processing devices, in particular to a small lobster shelling device. BACKGROUND

[0002] Small crayfish has become a popular food in the catering industry in recent years due to its delicious meat, with an annual consumption of nearly ten thousand tons. Therefore, the processing amount of small crayfish has also shown great growth. However, due to the hard shell and its unique biological structure of small crayfish, the traditional shelling method mostly relies on manual peeling, which not only has high labor intensity, but also has low production efficiency, and cannot meet the demand of large-scale production.

[0003] In order to solve this problem, the related technology has proposed some automatic shelling equipment. For example, patent application CN111685161A discloses a small crayfish head shell removing device, which includes a rack, a shrimp body conveying mechanism, a shrimp head cutting mechanism and a lobster positioning mechanism. The rack is provided with a feeding station and a cutting station. The shrimp body conveying mechanism is arranged on the rack and is used to move the small crayfish from the feeding station to the cutting station. The shrimp head cutting mechanism is arranged on the rack and is located at the cutting station, and is used to cut the small crayfish. The lobster positioning mechanism is arranged on the rack and is used to fix the small crayfish on the shrimp body conveying mechanism so as to convey the small crayfish to the shrimp head cutting mechanism for shrimp head cutting. The invention can realize automatic cutting of the head shell of small crayfish, has high processing speed and efficiency, can effectively save labor, and can ensure the processing quality of the head shell of small crayfish.

[0004] However, the above-mentioned technology often has the following defects: although the existing technology can effectively cut the head shell of small crayfish through the shrimp head cutting mechanism, part of the shrimp meat is still embedded in the head shell, which often causes part of the shrimp meat to remain in the head shell, thereby causing waste and failing to completely meet the efficiency and quality requirements in the shelling process of small crayfish. Therefore, the present application provides a small crayfish shelling device. SUMMARY

[0005] In order to make up for the deficiencies of the prior art and solve at least one technical problem proposed in the background art.

[0006] The technical scheme adopted by the application to solve its technical problems is: the small crayfish shelling device comprises:

[0007] A bottom box is fixedly connected with side plates symmetrically on both sides, and an installation table is fixed in the middle of the side plates on both sides;

[0008] A fixing assembly is used to fix the position of small crayfish, and the fixing assembly comprises a vertical rod for inserting small crayfish;

[0009] The guide assembly is arranged on both sides of the vertical rod to guide the operator to insert the crawfish head shell from top to bottom on the vertical rod;

[0010] The clamping assembly is arranged on one side of the mounting table to clamp the crawfish tail;

[0011] The driving assembly is fixed on the side plate, and the driving assembly drives the clamping assembly to rotate to separate the tail and the head shell.

[0012] The adjusting assembly includes an electric push rod two mounted in the middle of the built-in cavity of the mounting table, the mounting table is provided with a vertical slot in the middle, the vertical rod is movably arranged in the vertical slot, and the vertical rod is fixed to the top end of the telescopic rod of the electric push rod two.

[0013] Preferably, the guide assembly includes two oppositely arranged guide plates, the opposite sides of the guide plates are respectively fixed with adjusting bolts, the ends of the adjusting bolts are movably penetrated through the through holes in the middle of the side plates, the ends of the adjusting bolts are threadedly connected with nuts, springs are arranged between the guide plates and the side plates, recesses are formed in the bottoms of the guide plates, and the mounting table is clamped in the recesses.

[0014] Preferably, the clamping assembly includes a rectangular frame, two symmetrically sliding connecting plates one are arranged in the inside of the rectangular frame, the ends of the connecting plates one extend to the side edges of the clamping plates, the ends of the connecting plates one are fixed with the clamping plates, a double-head motor is fixed to the top middle of the rectangular frame, two output shafts of the double-head motor are respectively coaxially fixed with lead screws, two symmetrically fixed support seats are arranged on the top of the rectangular frame, internally threaded sleeves are movably arranged in the middle of the support seats, the ends of the lead screws are threadedly connected in the internally threaded sleeves, and the ends, away from the lead screws, of the internally threaded sleeves are fixedly connected with connecting rods through connecting plates two.

[0015] Preferably, the driving assembly includes a fixed plate fixed to the side wall of the side plate, a rotating shaft is fixed to the side edge of the rectangular frame, the rotating shaft penetrates through the through hole in the middle of the fixed plate and is fixed with a gear at the end, an electric push rod one is fixed to the side wall of the fixed plate, a rack is fixed to the end of the telescopic rod of the electric push rod one, and the rack is engaged with the gear.

[0016] Preferably, a support plate is arranged in the middle of the top of the mounting table, and mounting blocks are symmetrically fixed to the bottom end of the support plate, the mounting blocks are rotationally connected with the mounting table, torsional springs are arranged at the connecting position of the mounting blocks and the mounting table to keep the support plate horizontal, the vertical rod is movably arranged through the center of the support plate, the driving assembly comprises a movable plate, a movable cavity is formed in the side of the built-in cavity of the mounting table, the movable plate is slidably arranged in the movable cavity, springs II are symmetrically arranged below the movable plate to reset the movable plate, pull ropes are symmetrically fixed to the top of the movable plate, and the ends of the pull ropes away from the movable plate are movably arranged through the top of the mounting table and connected with the support plate, the pull ropes are arranged on the side away from the clamping assembly, and the telescopic rod of the electric push rod II is fixed with a pressing plate on the top side wall, and the pressing plate extends to the top of the movable plate.

[0017] Preferably, the vertical cross section of the mounting table is an isosceles triangle.

[0018] Preferably, film pressure sensors are respectively fixed to the opposite side walls of the two clamping plates.

[0019] Preferably, an open inner cavity is arranged in the middle of the support plate, a push plate is rotationally arranged in the middle of the inner cavity, a reset spring is arranged in the middle of the push plate, and the ends of the two pull ropes are movably arranged through the inner cavity, and the ends of the two pull ropes are connected with the two sides of the push plate.

[0020] Preferably, collecting boxes are slidably arranged at the two ends of the bottom box.

[0021] The beneficial effects of the present application are as follows:

[0022] 1. The crayfish shelling device, when in use, holds the head shell of the crayfish with hands and uses the forceps to vertically insert the crayfish from top to bottom along the guide assembly into the vertical rod, because the abdomen of the crayfish is downward, the smooth head shell is prevented from directly contacting the vertical rod, the vertical rod can be quickly inserted through the head shell of the crayfish, and the crayfish can be stably fixed on the vertical rod; then the tail of the crayfish is clamped and fixed by the clamping assembly, the driving assembly is started, the clamping assembly is driven to rotate, and the tail of the crayfish is driven to rotate, so that the tail of the crayfish and the head shell can be quickly separated, the clamping assembly moves reversely, and the tail of the crayfish is released, so that the tail of the crayfish can be quickly obtained, the tail of the crayfish and the head shell are separated by the rotating mode, the crayfish meat can be completely taken out, and waste of the crayfish meat is avoided; manual twisting and separation of the head shell and the tail of the crayfish are not needed, the fingers are effectively prevented from being pricked by the crayfish shell; in addition, the vertical rod is controlled to be retracted into the mounting table by the adjusting assembly along the vertical groove, so that the vertical rod and the head shell are automatically separated, the head shell can be quickly taken out, and the next operation can be conveniently performed.

[0023] 2. The crawfish shelling device, after the head shell and the shrimp tail are separated, the vertical rod is driven to move down into the vertical slot by the second electric push rod, at this time the vertical rod is separated from the middle hole of the support plate, then the telescopic rod of the second electric push rod continues to move down, drives the pressing plate to press the movable plate, so that the movable plate moves down along the movable cavity, and then the support plate is turned over to the side away from the clamping assembly by pulling the rope, so that the head shell slides to one side, which facilitates quick removal of the head shell, then the second electric push rod, spring two, torsional spring and other structures are reset, so that the associated structures are reset, facilitating processing of the next crawfish; and the head shell falls to one side of the mounting table, and the shrimp tail falls to the other side of the mounting table, realizing quick separation of the head shell and the shrimp tail, and facilitating use. BRIEF DESCRIPTION OF DRAWINGS

[0024] The application will be further described below in combination with the drawings.

[0025] Figure 1 is a perspective view of the application;

[0026] Figure 2 is another angle view of the application;

[0027] Figure 3 is Figure 2 is an enlarged view of A in FIG.

[0028] Figure 4 is a sectional view of the application;

[0029] Figure 5 is a partial structure schematic view of the application;

[0030] Figure 6 is Figure 4 is an enlarged view of B in FIG.

[0031] Figure 7 is Figure 4 is an enlarged view of C in FIG.

[0032] Figure 8 is a top view of the pressing plate and the movable plate of the application;

[0033] Figure 9 is a support plate internal structure schematic view of the application.

[0034] In the diagram: 1. Base box; 2. Side plate; 3. Mounting platform; 4. Collection box; 5. Adjusting bolt; 6. Guide plate; 7. Spring 1; 8. Support plate; 9. Vertical rod; 10. Fixing plate; 11. Electric push rod 1; 12. Rack; 13. Gear; 14. Rotating shaft; 15. Rectangular frame; 16. Connecting plate 1; 17. Clamping plate; 18. Double-headed motor; 19. Lead screw; 20. Internal threaded sleeve; 21. Connecting plate 2; 22. Connecting rod; 23. Electric push rod 2; 24. Mounting block; 25. Pull rope; 26. Movable plate; 27. Pressure plate; 28. Thin-film pressure sensor; 29. ​​Push plate. Detailed Implementation

[0035] To make the technical means, creative features, objectives and effects of this invention easier to understand, the invention will be further described below in conjunction with specific embodiments.

[0036] Example 1: As Figures 1 to 9 As shown in the figure, a crayfish shelling device according to an embodiment of the present invention includes:

[0037] A base box 1, with side plates 2 symmetrically fixedly connected to both sides of the base box 1, and a mounting platform 3 fixed between the two side plates 2;

[0038] A fixing component for fixing the position of crayfish, the fixing component including a vertical rod 9 for inserting the crayfish; the top of the vertical rod 9 is set in a pointed shape;

[0039] A guide assembly is provided on both sides of the vertical rod 9 to guide the operator to insert the crayfish head shells into the vertical rod 9 from top to bottom;

[0040] A clamping assembly is disposed on one side of the mounting platform 3 and is used to clamp the tail of the crayfish.

[0041] A driving component is fixed on the side plate 2. The driving component drives the clamping component to rotate so as to separate the shrimp tail and head shell.

[0042] The adjustment assembly includes an electric push rod 23 installed in the middle of the cavity inside the mounting platform 3. The mounting platform 3 has a vertical groove in the middle. The vertical rod 9 is movably disposed in the vertical groove. The vertical rod 9 is fixed to the top of the telescopic rod of the electric push rod 23. The adjustment assembly controls the vertical rod 9 to extend out or retract into the vertical groove.

[0043] In operation, first, the device is placed in a suitable position, so that the clamping assembly of the device is away from the operator, and the head shell of the crayfish is held by hand with the pincers, so that the crayfish tail is outward, the crayfish abdomen is downward, and then the crayfish is vertically inserted on the vertical rod 9 from top to bottom along the guide assembly, because the crayfish abdomen is downward, the smooth head shell is prevented from directly contacting the vertical rod 9, the vertical rod 9 can quickly penetrate the head shell of the crayfish, and then the crayfish can be stably fixed on the vertical rod 9; then the crayfish is moved downward, so that the crayfish tail falls in the middle of the clamping assembly, the crayfish tail is clamped and fixed by the clamping assembly, then the driving assembly is started to drive the clamping assembly to rotate, and then the crayfish tail is rotated, so that the crayfish tail and the head shell can be quickly separated, then the clamping assembly moves reversely to release the crayfish tail, and the crayfish tail can be quickly obtained; the crayfish tail and the head shell are separated by rotating, the shrimp meat can be completely taken off, the waste of shrimp meat is avoided, and the head shell and the crayfish tail are not manually twisted to separate, so that the fingers are effectively prevented from being pricked by the crayfish shell;

[0044] In addition, the adjusting assembly is started to control the vertical rod 9 to be retracted into the installation table 3, so that the vertical rod 9 and the head shell are automatically separated, the head shell can be quickly taken off, and the next operation can be conveniently performed.

[0045] The device is provided with a control module and a remote controller, the control module is designed with a PLC circuit board for coordinating the movement of each component, and the remote controller can realize remote control; the control module and the remote controller are both limited public technologies, the installation mode, internal structure and operation mode thereof are all existing public technologies, and excessive details are not described herein.

[0046] The guide assembly comprises two oppositely arranged guide plates 6, the two guide plates 6 are respectively fixed with adjusting bolts 5 at opposite sides, the ends of the two adjusting bolts 5 are respectively movably penetrated through the through holes in the middle of the side plates 2, the ends of the adjusting bolts 5 are threadedly connected with nuts, springs 7 are arranged between the guide plates 6 and the side plates 2, recesses are formed in the bottoms of the guide plates 6, and the installation table 3 is clamped at the top of the recesses;

[0047] In operation, the two guide plates 6 are respectively installed on the side plates 2 by using the nuts and the adjusting bolts 5; the guide plates 6 are clamped at the top of the installation table 3 by forming recesses in the bottoms of the guide plates 6, so as to limit the guide plates 6, so that the guide plates 6 can reciprocate along the top plate of the installation table 3, the distance between the two guide plates 6 can be adjusted by rotating the nuts, and the crayfish can be limited from being inserted on the vertical rod 9 from top to bottom by using the springs 7, so that the crayfish can be accurately inserted on the vertical rod 9.

[0048] The clamping assembly includes a rectangular frame 15, both sides of which are symmetrically connected with a connecting plate one 16 inside, the end of the connecting plate one 16 on both sides extends to the side edge of the clamping plate 17, and the end of the connecting plate one 16 is fixed with the clamping plate 17, the top of the rectangular frame 15 is fixed with a double-head motor 18 in the middle, the output shafts on both sides of the double-head motor 18 are respectively coaxially fixed with a lead screw 19, both sides of the top of the rectangular frame 15 are fixed with a support seat, and a threaded sleeve 20 is limitingly and slidably installed in the middle of the support seat, the end of the lead screw 19 is threadedly connected inside the threaded sleeve 20, one end of the threaded sleeve 20 away from the lead screw 19 is fixedly connected with a connecting rod 22 through a connecting plate two 21, and the end of the connecting rod 22 is slidably penetrated into the inside of the rectangular frame 15 and fixed to the side wall of the connecting plate one 16.

[0049] When working, the double-head motor 18 is started, and the output shafts and the lead screws 19 on both sides are driven to rotate, thereby synchronously driving the threaded sleeves 20 on both sides to move to the middle, then the connecting rod 22 is driven through the connecting plate two 21, thereby driving the connecting plate one 16 and the clamping plate 17 on both sides to move to the middle and clamp the shrimp tails on both sides, so as to quickly fix the shrimp tails, and facilitate subsequent separation of the shrimp tails and the head shell by driving the clamping assembly and the shrimp tails to rotate at the same time through the driving assembly.

[0050] The driving assembly includes a fixed plate 10 fixed to the side wall of the side plate 2, a rotating shaft 14 fixed to the side edge of the rectangular frame 15, the rotating shaft 14 penetrating through the middle through hole of the fixed plate 10 and being fixed with a gear 13 on the end, an electric push rod one 11 fixed to the side wall of the fixed plate 10, a rack 12 fixed to the end of the telescopic rod of the electric push rod one 11, and the rack 12 engaged with the gear 13.

[0051] When working, the electric push rod one 11 is started, the telescopic rod of the electric push rod one 11 drives the rack 12 to move to one side, thereby driving the gear 13 to rotate, and the gear 13 drives the clamping assembly to rotate through the rotating shaft 14, thereby providing the clamping assembly with rotary power.

[0052] The middle of the top of the mounting table 3 is provided with a support plate 8, the bottom end of the support plate 8 is symmetrically fixed with a mounting block 24, the mounting block 24 is rotationally connected with the mounting table 3, a torsional spring for keeping the support plate 8 horizontal is mounted at the connecting position of the mounting block 24 and the mounting table 3, the vertical rod 9 movably penetrates the center of the support plate 8, the driving assembly comprises a movable plate 26, a movable cavity is formed in the side of the built-in cavity of the mounting table 3, the movable plate 26 is slidably arranged in the movable cavity, springs two for resetting the movable plate 26 are symmetrically arranged below the movable plate 26, pull ropes 25 are symmetrically fixed above the movable plate 26, one end of the pull rope 25 away from the movable plate 26 movably penetrates to above the mounting table 3 and is fixedly connected with the support plate 8, the pull rope 25 is arranged on the side away from the clamping assembly, and a pressing plate 27 is fixed on the top end side wall of the telescopic rod of the second electric push rod 23, the pressing plate 27 extends to above the movable plate 26.

[0053] In work, the crayfish is inserted behind the vertical rod 9 and slides downward along the vertical rod 9 until the crayfish contacts the top of the support plate 8, the head shell and the tail are separated, the vertical rod 9 is driven to move downward into the vertical groove by the second electric push rod 23, at this time, the vertical rod 9 is simultaneously separated from the middle hole of the support plate 8, then the telescopic rod of the second electric push rod 23 continuously moves downward to drive the pressing plate 27 to press downward the movable plate 26, so that the movable plate 26 moves downward along the movable cavity, and then the support plate 8 is pulled to overturn to the side away from the clamping assembly through the pull rope 25, so that the head shell slides to one side, thereby facilitating the rapid removal of the head shell, then the structures such as the second electric push rod 23, the springs two and the torsional spring are reset to reset the associated structures, facilitating the processing of the next crayfish; and the head shell falls to one side of the mounting table 3 and the tail falls to the other side of the mounting table 3, so that the head shell and the tail are quickly separated, facilitating use.

[0054] The vertical cross section of the mounting table 3 is an isosceles triangle; in work, the two ends of the mounting table 3 are arranged to be inclined, so that the head shell and the tail slide to the two sides of the mounting table 3, respectively.

[0055] The opposite side walls of the clamping plates 17 on the two sides are respectively fixed with film pressure sensors 28; in work, the film pressure sensors 28 detect the pressure between the clamping plates 17 and feed back to the control module, so that the clamping assembly clamps the tail with appropriate force, avoiding excessive force and damaging the tail.

[0056] The support plate 8 has an open inner cavity on both sides in the middle. Push plates 29 are rotatably installed on both sides of the inner cavity. A reset spring is provided in the middle of the push plate 29. The ends of the pull ropes 25 on both sides are movably inserted into the inner cavity and are connected to the two sides of the push plate 29 respectively. When working, when the pull ropes 25 are pulled down, the push plates 29 are simultaneously pulled to rotate to both sides, so that the free ends of the push plates 29 protrude from the openings on both sides of the inner cavity, thereby pushing the guide plates 6 on both sides to move to both sides, so that the guide plates 6 no longer clamp the head shell, allowing the head shell to slide down easily along the support plate 8.

[0057] Example 2: Figure 1 As shown in the comparative embodiment one, another embodiment of the present invention is as follows: collection boxes 4 are slidably installed at both ends of the bottom box 1; during operation, the collection boxes 4 are set on both sides of the mounting platform 3 to facilitate the collection of the separated head shells and shrimp tails.

[0058] Working principle: First, place the device in a suitable position, ensuring the clamping components are away from the operator. Hold the crayfish's head and claws with the tail facing outwards and the belly facing downwards. Then, vertically insert the crayfish into the vertical rod 9 from top to bottom along the guide component. Because the crayfish's belly is facing downwards, the smooth surface of the head shell is prevented from directly contacting the vertical rod 9 first, allowing the vertical rod 9 to quickly penetrate the crayfish's head shell and thus stably fix the crayfish on the vertical rod 9. Next, lower the crayfish so that the tail falls in the middle of the clamping components. Start the dual-head motor 18, which simultaneously drives the output shafts on both sides and the lead screw 19 to rotate, thereby... The two internal threaded sleeves 20 on both sides are driven to move towards the middle. Then, the connecting rod 22 is driven by the connecting plate 21, which in turn drives the connecting plates 16 and clamping plates 17 on both sides to move towards the middle and clamp them on both sides of the shrimp tail to quickly fix the shrimp tail. Then, the drive assembly is started. The telescopic rod of the electric push rod 11 pushes the rack 12 to move to one side, which in turn drives the gear 13 to rotate. The gear 13 drives the clamping assembly to rotate through the rotating shaft 14, providing rotational power to the clamping assembly. Then, the clamping assembly moves in the opposite direction to release the shrimp tail, so that the shrimp tail can be quickly obtained without the need for manual twisting to separate the head shell and the shrimp tail, effectively avoiding the fingers being pricked by the crayfish shell.

[0059] In addition, after the head shell and the shrimp tail are separated, the vertical rod 9 is driven to move downwards into the vertical slot by the electric push rod two 23, at this time the vertical rod 9 is simultaneously separated from the middle hole of the support plate 8, then the telescopic rod of the electric push rod two 23 continues to move downwards, drives the pressing plate 27 to press the movable plate 26, so that the movable plate 26 moves downwards along the movable cavity, and then the support plate 8 is turned to the side away from the clamping assembly by pulling the rope 25, so that the head shell slides to one side, which facilitates quick removal of the head shell, then the electric push rod two 23, spring two, torsional spring and other structures are reset, so that the associated structures are reset, facilitating processing of the next crayfish; and the head shell falls to one side of the mounting table 3, and the shrimp tail falls to the other side of the mounting table 3, realizing quick separation of the head shell and the shrimp tail, facilitating use;

[0060] When the pulling rope 25 is pulled downwards, the push plate 29 is simultaneously pulled to rotate to both sides, and then pushes the two guide plates 6 to move to both sides, so that the guide plates 6 no longer clamp the head shell, and the head shell can easily slide along the support plate 8.

[0061] The above front, rear, left, right, top and bottom are based on the drawings of the specification Figure 1 , and are defined as front, left, right, top and bottom according to the standard of human observation angle, and the side of the device facing the observer is defined as front, and the left side of the observer is defined as left, and the like.

[0062] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore cannot be understood as a limitation on the scope of protection of the present application.

[0063] The basic principles, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application, and various changes and improvements can be made to the present application without departing from the spirit and scope of the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A crayfish shelling device, characterized in that: include: The bottom box (1) has side plates (2) symmetrically fixedly connected on both sides, and a mounting platform (3) is fixed in the middle of the side plates (2) on both sides. A fixing component for fixing the position of crayfish, the fixing component including a vertical rod (9) for inserting the crayfish; A guide assembly is provided on both sides of the vertical rod (9) to guide the operator to insert the crayfish head shells from top to bottom onto the vertical rod (9); A clamping assembly is provided on one side of the mounting platform (3) for clamping the tail of the crayfish; A driving component is fixed to the side plate (2). The driving component drives the clamping component to rotate so as to separate the shrimp tail and head shell. Adjustment component, the adjustment component includes an electric push rod two (23) installed in the middle of the cavity inside the mounting platform (3), the mounting platform (3) has a vertical groove in the middle, the vertical rod (9) is movably set in the vertical groove, the vertical rod (9) is fixed to the top of the telescopic rod of the electric push rod two (23), and the vertical rod (9) is controlled to extend or retract into the vertical groove by the adjustment component; A support plate (8) is provided at the top center of the mounting platform (3). Mounting blocks (24) are symmetrically fixed at the bottom of the support plate (8). The mounting blocks (24) are rotatably connected to the mounting platform (3). A torsion spring is installed at the connection point between the mounting blocks (24) and the mounting platform (3) to keep the support plate (8) horizontal. The vertical rod (9) movably passes through the center of the support plate (8). The driving assembly includes a movable plate (26). A movable cavity is opened on the side of the built-in cavity of the mounting platform (3). The movable plate (26) slides... Set in the movable cavity, the movable plate (26) is symmetrically provided with springs two for resetting below it, and pull ropes (25) are symmetrically fixed above the movable plate (26). The end of the pull rope (25) away from the movable plate (26) extends through to the top of the mounting platform (3) and is fixedly connected to the support plate (8). The pull rope (25) is set on the side away from the clamping assembly. A pressure plate (27) is fixed on the top side wall of the telescopic rod of the electric push rod two (23). The pressure plate (27) extends to the top of the movable plate (26).

2. The crayfish shelling device according to claim 1, characterized in that: The guide assembly includes guide plates (6) arranged opposite to each other on both sides. Adjusting bolts (5) are fixed to the opposite sides of the guide plates (6) respectively. The ends of the adjusting bolts (5) on both sides respectively pass through the through holes in the middle of the corresponding side plates (2). Nuts are threaded to the ends of the adjusting bolts (5). A spring (7) is provided between the guide plate (6) and the side plate (2). A groove is opened at the bottom of the guide plate (6). The top of the mounting platform (3) is engaged in the groove.

3. The crayfish shelling device according to claim 1, characterized in that: The clamping assembly includes a rectangular frame (15), with connecting plates (16) symmetrically slidably connected to both sides inside the rectangular frame (15). The ends of the connecting plates (16) on both sides extend to the side of the clamping plate (17), and the clamping plate (17) is fixed on the end of the connecting plates (16). A double-headed motor (18) is fixed in the middle of the top of the rectangular frame (15). A lead screw (19) is coaxially fixed on the output shafts on both sides of the double-headed motor (18). Support seats are symmetrically fixed on both sides of the top of the rectangular frame (15). An internal threaded sleeve (20) is slidably installed in the middle of the support seat. The end of the lead screw (19) is threadedly connected to the inside of the internal threaded sleeve (20). The end of the internal threaded sleeve (20) away from the lead screw (19) is fixedly connected to a connecting rod (22) through a connecting plate (21). The end of the connecting rod (22) slides through the inside of the rectangular frame (15) and is fixed to the side wall of the connecting plate (16).

4. The crayfish shelling device according to claim 3, characterized in that: The drive assembly includes a fixed plate (10) fixed to the side wall of the side plate (2), a rotating shaft (14) fixed to the side of the rectangular frame (15), the rotating shaft (14) passing through the middle through hole of the fixed plate (10) and a gear (13) fixed to its end, an electric push rod (11) fixed to the side wall of the fixed plate (10), a rack (12) fixed to the end of the telescopic rod of the electric push rod (11), and the rack (12) meshing with the gear (13).

5. The crayfish shelling device according to claim 1, characterized in that: The vertical cross-section of the mounting platform (3) is an isosceles triangle.

6. The crayfish shelling device according to claim 3, characterized in that: Thin-film pressure sensors (28) are fixed on the opposite side walls of the clamps (17) on both sides.

7. The crayfish shelling device according to claim 1, characterized in that: The support plate (8) has an open inner cavity on both sides in the middle. Push plates (29) are rotatably installed on both sides of the inner cavity. A reset spring is provided in the middle of the push plate (29). The ends of the pull ropes (25) on both sides are movably inserted into the inner cavity, and the ends of the pull ropes (25) on both sides are connected to the two sides of the push plate (29).

8. The crayfish shelling device according to claim 1, characterized in that: Collection boxes (4) are slidably installed at both ends of the bottom box (1).

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