CN109588467B

CN109588467B - Lobster back-opening device and lobster back-opening method thereof

Info

Publication number: CN109588467B
Application number: CN201910032129.3A
Authority: CN
Inventors: 杨品红; 谢中国; 王伯华; 贺江
Original assignee: Hunan University of Arts and Science
Current assignee: Hunan University of Arts and Science
Priority date: 2019-01-14
Filing date: 2019-01-14
Publication date: 2021-03-23
Anticipated expiration: 2039-01-14
Also published as: CN109588467A

Abstract

The invention discloses a lobster back-opening device and a lobster back-opening method, the lobster back-opening device comprises an operation table and a booster pump, a cleaning box is arranged on the left side of the upper end of the operation table in a clamping mode, a filter box is fixedly arranged on the upper end of a first electric telescopic rod, a glass plate is arranged on the left side wall of the cleaning box, a mounting seat is fixedly arranged at the bottom end inside a protective shell, the upper end of an ultraviolet lamp is electrically connected with a power supply, a first motor is fixedly arranged at the right end inside the operation table, a second fluted disc is connected to the left side of the first fluted disc in a meshing mode, a channel is formed in the rotary disc, a placing plate is movably arranged at the upper end of the supporting. This back of body device is opened to lobster and method thereof, to the clearance disinfection of lobster more thoroughly, make things convenient for the staff to take the lobster, fixing device makes the lobster be difficult for droing, has deep processingequipment to the lobster, conveniently expandes its jaw and gets rid of, and it is effectual to open the back.

Description

Lobster back-opening device and lobster back-opening method thereof

Technical Field

The invention relates to the technical field related to lobster processing, in particular to a lobster back-opening device and a lobster back-opening method.

Background

The crayfish as a freshwater shrimp is rich in protein in the body, soft in meat quality and easy to digest, is extremely popular with people, and along with the increase of the demand of people, the lobster breeding industry is more and more abundant, and the meat of the crayfish is also rich in elements such as magnesium, zinc, iodine, selenium and the like, so that the crayfish has a good regulating effect on the heart activity of a human body, has a protection function on a cardiovascular system, and most importantly, the taste of the crayfish is also better and better, and the crayfish needs a good cleaning and processing process and a professional firing method.

However, the existing lobster back-opening device and the existing lobster back-opening method have the following problems in the using process: a good disinfection cleaning device is not arranged, lobsters cannot be cleaned thoroughly, and workers are inconvenient to take the lobsters from the cleaning tank; the lobsters are alive after being taken out, so that the lobsters are inconvenient to fix, fall off and the processing continuity is influenced; the lobster is not provided with a deep processing device, the clamp part of the lobster is inconvenient to unfold and remove, the eating is influenced, and the back-opening effect is poor; the device is not flexible enough, is inconvenient for workers to operate, can only clean and process a batch of lobsters in sequence, and is low in efficiency.

Disclosure of Invention

The invention aims to provide a lobster back-opening device and a lobster back-opening method, which aim to solve the problems that no good disinfection and cleaning device is arranged, lobsters are not cleaned completely, and workers are inconvenient to take the lobsters from a cleaning tank; the lobsters are alive after being taken out, so that the lobsters are inconvenient to fix, fall off and the processing continuity is influenced; the lobster is not provided with a deep processing device, the clamp part of the lobster is inconvenient to unfold and remove, the eating is influenced, and the back-opening effect is poor; the device is not flexible enough, is inconvenient for workers to operate, can only clean and process a batch of lobsters in sequence, and has low efficiency.

In order to achieve the purpose, the invention provides the following technical scheme: a lobster back-opening device comprises an operating platform and a booster pump, wherein a cleaning box is arranged on the left side of the upper end of the operating platform in a clamped mode, first electric telescopic rods are fixedly arranged on the left side and the right side of the inner bottom end of the cleaning box, a filter box is fixedly arranged on the upper end of each first electric telescopic rod, a partition plate is vertically and fixedly arranged in the middle of the inner portion of the filter box, a glass plate is arranged on the left side wall of the cleaning box, a protective shell is fixedly arranged on the surface of the left side of the cleaning box, a mounting seat is fixedly arranged at the bottom end of the inner portion of the protective shell, an ultraviolet lamp is arranged on the mounting seat in a clamped;

a first motor is fixedly arranged at the right end inside the operating platform, a first fluted disc is arranged at the upper end of the first motor, a second fluted disc is connected to the left side of the first fluted disc in a meshed manner, a turntable is connected to the upper end of the second fluted disc, a channel is formed inside the turntable, supporting plates are fixedly connected to the left side and the right side of the turntable, a placing plate is movably arranged at the upper end of the supporting plate, placing grooves are formed in the placing plate at equal intervals, a pressing device is arranged at the upper end of the placing plate, moving parts are movably connected to the front side and the rear side of the placing plate, a supporting claw piece is movably connected to one end of the moving part, which is far away from the placing plate, a telescopic strip is fixedly connected to the outer surface of the supporting claw piece, an auxiliary pulley is fixedly arranged on the lower surface of the telescopic strip and is located inside, a hanging rod is connected in the middle of the third fluted disc in a penetrating manner, and the bottom end of the hanging rod is movably connected inside the rotary disc;

the utility model discloses a cleaning machine, including jib, support, booster pump, shower nozzle, back piece, fixed surface, support, fixed surface, water tank, booster pump, water pipe, cleaning disc, the lower extreme fixedly connected with support of jib, and support upper surface left side fixed mounting has the water tank, the booster pump closely sets up the right side at the water tank, and the lower extreme of booster pump is connected with the water pipe, the lower extreme of water pipe is connected with the shower nozzle, and the outside of shower nozzle is provided with back piece, the upper end front side fixedly connected with second electric telescopic handle of back piece, and the lower extreme fixedly connected with second motor of second electric telescopic handle.

Preferably, the inside of rose box washing case is elevation structure, and first electric telescopic handle is provided with 2 groups about the axis symmetry of rose box to the bottom surface of rose box is honeycomb structure.

Preferably, the first fluted disc, the second fluted disc and the turntable form a linkage structure, and the support plate is symmetrically provided with 2 groups about the central axis of the turntable.

Preferably, the placing groove is provided with 3 groups in the placing plate, and the lower end surface of the placing groove is of a honeycomb structure.

Preferably, closing device includes that pressure strip, fixed axle bed, pivot, first cutting groove, second cut groove and dig the piece, and the left end of pressure strip is inside to run through and to be provided with fixed axle bed, and the outer end of fixed axle bed is fixed and is provided with the pivot, and first cutting groove has been seted up to the upper surface of pressure strip equidistant, and the second has been seted up around the right side symmetry of first cutting groove and has been cut the groove.

Preferably, the movable parts are symmetrically arranged relative to the supporting claw pieces, 1 group of supporting claw pieces are connected to the front side and the rear side of the placing plate through 2 groups of movable parts, and the third fluted disc, the telescopic bar and the supporting claw pieces form a linkage structure.

Preferably, the telescopic bar is provided with 2 groups about the central symmetry of jib, and the telescopic bar is sliding construction in the upper end of carousel to both ends all are connected with the claw piece about the telescopic bar.

Preferably, the second motor is of a sliding structure on the bracket, and the second motor is of a lifting structure at the lower end of the bracket.

Preferably, cutting device includes cutting board, first cutting piece and second cutting piece, and the equidistant first cutting piece of installing in the lower surface of cutting board, the right side front and back symmetry of first cutting piece installs the second cutting piece.

The invention also provides a lobster back-opening method, which comprises the following steps:

the method comprises the following steps: putting the lobsters into a disinfection box for cleaning and disinfection;

step two: taking the lobsters out of the sterilizing box, fixing the lobsters through a clamping device, and deeply scrubbing and sterilizing the lobsters;

step three: carrying out the operations of removing the head, removing the pincers and opening the back of the cleaned lobster;

step four: and (5) returning the processed lobsters to the collecting tank for storage.

Compared with the prior art, the invention has the beneficial effects that: according to the lobster back-opening device and the lobster back-opening method, the lobsters are cleaned and disinfected completely, workers can conveniently take the lobsters from the cleaning tank, the fixing device is simple and ingenious, the lobsters are not prone to falling off, the processing continuity is guaranteed, the lobsters are deeply processed by the device, the clamp parts of the lobsters can be conveniently unfolded and removed, the back-opening effect is good, the operation of the workers is convenient, two or more batches of lobsters can be cleaned and processed simultaneously, and the efficiency is high;

1. through the arrangement of the first electric telescopic rod, the filter box and the partition plate, the filter box and lobsters in the filter box can be conveniently pushed out of the water surface through the telescopic action of the first electric telescopic rod, so that workers can conveniently take and place the lobsters, and unprocessed lobsters and processed lobsters can be separately stored under the partition action of the partition plate;

2. through the glass plate, the ultraviolet lamp and the cleaning disc, ultraviolet rays are emitted under the action of the ultraviolet lamp and are refracted at multiple positions under the action of the glass plate, so that the ultraviolet rays entering the cleaning box are increased, and the disinfection and sterilization effect and degree of the cleaning box are improved;

3. the first motor, the first fluted disc and the second fluted disc are arranged, and the linkage structure formed by the first motor, the first fluted disc and the second fluted disc is used for conveniently driving 2 groups of supporting plates and placing plates to be regularly switched, so that stations can be switched conveniently, two or more batches of lobsters can be cleaned and processed simultaneously, the continuity of operation is ensured, and the working efficiency is improved;

4. through being provided with closing device, propping claw piece and cutting device, the effect through closing device is convenient to press from both sides the lobster tight fixedly, and just struts the pliers of lobster under the effect of propping the claw piece, and the cutting action of rethread cutting device removes the pincers and opens the back to the lobster.

Drawings

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is a schematic view of the expanded structure of the claw supporting sheet of the present invention;

FIG. 3 is a schematic view of the pressing device of the present invention;

FIG. 4 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 5 is an enlarged view of the structure at B in FIG. 1 according to the present invention;

FIG. 6 is a schematic view of the connecting structure of the rear support and the second electric telescopic rod of the present invention;

FIG. 7 is a schematic view of a cutting device according to the present invention.

In the figure: 1. an operation table; 2. a cleaning tank; 3. a first electric telescopic rod; 4. a filter box; 5. a partition plate; 6. a glass plate; 7. a protective shell; 8. a mounting seat; 9. an ultraviolet lamp; 10. a power source; 11. a first motor; 12. a first fluted disc; 13. a second fluted disc; 14. a turntable; 15. a channel; 16. a support plate; 17. placing the plate; 18. a placement groove; 19. a pressing device; 1901. a compression plate; 1902. fixing the shaft seat; 1903. a rotating shaft; 1904. a first cutting groove; 1905. a second cutting groove; 1906. digging blocks; 20. a movable member; 21. a claw supporting sheet; 22. a telescopic bar; 23. an auxiliary pulley; 24. a third fluted disc; 25. a boom; 26. a support; 27. a water tank; 28. a booster pump; 29. a water pipe; 30. a spray head; 31. a rear support; 32. a second electric telescopic rod; 33. a second motor; 34. cleaning the disc; 35. a third electric telescopic rod; 36. a cutting device; 3601. cutting the board; 3602. a first cutting blade; 3603. and a second cutting blade.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides a technical solution: a lobster back-opening device and a method thereof comprise an operation platform 1, a cleaning box 2, a first electric telescopic rod 3, a filter box 4, a partition plate 5, a glass plate 6, a protective shell 7, a mounting seat 8, an ultraviolet lamp 9, a power supply 10, a first motor 11, a first fluted disc 12, a second fluted disc 13, a rotary disc 14, a channel 15, a support plate 16, a placing plate 17, a placing groove 18, a pressing device 19, a moving part 20, a supporting claw piece 21, a telescopic bar 22, an auxiliary pulley 23, a third fluted disc 24, a hanging rod 25, a bracket 26, a water tank 27, a booster pump 28, a water pipe 29, a spray head 30, a rear support piece 31, a second electric telescopic rod 32, a second motor 33, a cleaning disc 34, a third electric telescopic rod 35 and a cutting device 36, wherein the cleaning box 2 is arranged on the left side of the upper end of the operation platform 1 in a clamping manner, and the first electric telescopic rods 3 are fixedly arranged on the left, the upper end of the first electric telescopic rod 3 is fixedly provided with a filter box 4, a partition plate 5 is vertically and fixedly arranged in the middle of the inside of the filter box 4, the left side wall of the cleaning box 2 is provided with a glass plate 6, the left side surface of the cleaning box 2 is fixedly provided with a protective shell 7, the bottom end of the inside of the protective shell 7 is fixedly provided with a mounting seat 8, an ultraviolet lamp 9 is clamped and installed in the mounting seat 8, and the upper end of the ultraviolet lamp 9 is electrically connected with a power supply 10;

a first motor 11 is fixedly arranged at the right end inside the operating platform 1, a first fluted disc 12 is arranged at the upper end of the first motor 11, a second fluted disc 13 is meshed and connected with the left side of the first fluted disc 12, a rotating disc 14 is connected with the upper end of the second fluted disc 13, a channel 15 is arranged inside the rotating disc 14, supporting plates 16 are fixedly connected with the left side and the right side of the rotating disc 14, a placing plate 17 is movably arranged at the upper end of the supporting plate 16, placing grooves 18 are equidistantly arranged inside the placing plate 17, a pressing device 19 is arranged at the upper end of the placing plate 17, moving parts 20 are movably connected with the front side and the rear side of the placing plate 17, a supporting claw piece 21 is movably connected with one end of the moving part 20 far away from the placing plate 17, an expansion bar 22 is fixedly connected with the outer surface of the supporting claw piece 21, an auxiliary pulley 23 is fixedly arranged on the, a third fluted disc 24 is meshed and connected to the inner side of the telescopic bar 22, a suspension rod 25 is connected to the middle of the third fluted disc 24 in a penetrating manner, and the bottom end of the suspension rod 25 is movably connected to the inside of the rotary disc 14;

upper end fixedly connected with support 26 of jib 25, and support 26 upper surface left side fixed mounting has water tank 27, booster pump 28 closely sets up the right side at water tank 27, and the lower extreme of booster pump 28 is connected with water pipe 29, the lower extreme of water pipe 29 is connected with shower nozzle 30, and the outside of shower nozzle 30 is provided with back support 31, the upper end front side fixedly connected with second electric telescopic handle 32 of back support 31, and the lower extreme fixedly connected with second motor 33 of second electric telescopic handle 32, cleaning disc 34 is installed to the lower extreme of second motor 33, fixed surface installs third electric telescopic handle 35 under the right-hand member of support 26, and the lower extreme fixed mounting of third electric telescopic handle 35 has cutting device 36.

As in figure 1, the inside of the cleaning box 2 of the filter box 4 is of a lifting structure, 2 groups of the first electric telescopic rods 3 are symmetrically arranged about the central axis of the filter box 4, the bottom end surface of the filter box 4 is of a honeycomb structure, the lobsters can be conveniently taken and placed by workers, unprocessed and processed lobsters are separately stored under the separation effect of the separation plate 5, as in figures 1-2, the first fluted disc 12, the second fluted disc 13 and the rotary disc 14 form a linkage structure, and the support plate 16 is symmetrically provided with 2 groups about the central axis of the rotary disc 14, so that the stations can be conveniently switched, two or more batches of lobsters can be simultaneously cleaned and processed, the continuity of operation is ensured, and the working efficiency is improved.

Like placing groove 18 in fig. 4 is provided with 3 groups in the inside of placing plate 17, and the lower extreme surface of placing groove 18 is honeycomb structure, conveniently utilize shower nozzle 30 to wash the inside lobster of placing groove 18, press device 19 including pressure strip 1901 in fig. 3, fixed axle bed 1902, pivot 1903, first cutting groove 1904, second cutting groove 1905 and cut piece 1906, the inside fixed axle bed 1902 that runs through of left end of pressure strip 1901, the fixed pivot 1903 that is provided with in outer end of fixed axle bed 1902, first cutting groove 1904 has been seted up to the upper surface equidistance of pressure strip 1901, second cutting groove 1905 has been seted up to the right side front and back symmetry of first cutting groove 1904, make things convenient for the fixed clamp to press from both sides tight many lobsters, and convenient operation.

As in fig. 2, the movable members 20 are symmetrically arranged about the claw supporting pieces 21, and the front and rear sides of the placing plate 17 are connected with 1 set of claw supporting pieces 21 through 2 sets of movable members 20, and the third fluted disc 24, the telescopic bar 22 and the claw supporting pieces 21 form a linkage structure, so that the jaw of the lobster can be conveniently opened, as in fig. 2-5, 2 sets of telescopic bars 22 are symmetrically arranged about the center of the hanging rod 25, the telescopic bar 22 is of a sliding structure at the upper end of the turntable 14, and the left and right ends of the telescopic bar 22 are connected with the claw supporting pieces 21, so that the claw supporting pieces 21 can be conveniently and synchronously driven to be unfolded, and the structure is flexible and ingenious.

As shown in fig. 1, the second motor 33 has a sliding structure on the support 26, and the second motor 33 has a lifting structure at the lower end of the support 26, as shown in fig. 7, the cutting device 36 includes a cutting board 3601, a first cutting blade 3602 and a second cutting blade 3603, the first cutting blade 3602 is mounted on the lower surface of the cutting board 3601 at equal intervals, and the second cutting blade 3603 is symmetrically mounted on the front and back of the right side of the first cutting blade 3602, so that the lobsters can be conveniently subjected to head removal, pincers removal and back opening.

The invention also provides a back opening method of the lobster back opening device, which comprises the following steps:

The working principle is as follows: firstly, the lobsters are poured on the left side of the inside of the filter box 4, cleaning liquid is poured into the inside of the cleaning box 2, then the ultraviolet lamp 9 is turned on, the ultraviolet light emitted by the ultraviolet lamp 9 is further refracted into the cleaning box 2 through the glass plate 6 to sterilize and disinfect the lobsters, after a period of time, a worker can make the first electric telescopic rod 3 stretch and retract to drive the filter box 4 to move upwards through the control panel on the operation bracket 26, so that the worker can conveniently take the lobsters, the worker can take the lobsters out and place the lobsters in the placing groove 18, the back of the lobsters is placed downwards, the second motor 33 is turned on, the lobsters are deeply scrubbed through the cleaning disc 34, then the booster pump 28 is turned on, each lobster is washed through the action of the sprayer 30, waste liquid and bacteria are all discharged to the lower part through the bottom surface of the placing groove 18, and then the lobsters are turned over and placed, the pressing device 19 is rotated and is connected to the placing plate 17 in a clamping manner, so that lobsters are clamped and fixed, then the control panel is operated to enable the first motor 11 to work to drive the first fluted disc 12 and the second fluted disc 13 to rotate, so that the left placing plate 17 and the right placing plate 17 are switched in stations, in the switching process, along with the rotation of the telescopic bars 22 and the action of the third fluted disc 24, the claw supporting pieces 21 are pushed to slowly expand and be away from the placing plate 17, so that the jaw parts of the lobsters are supported, the first motor 11 is closed again, then the cutting device 36 is controlled to ascend and descend through the telescopic action of the suspender 25, so that the lobsters are subjected to head removing, jaw removing and back removing processing operations, the first motor 11 is opened again, the first motor 11 is rotated reversely, the switching of the stations is completed again, the pressing device 19 on the 1 group of the placing plates 17 after processing is opened, waste materials are washed away through the spray head 30, then the lobster is taken out and placed at the right end of the inner side of the filter box 4 for storage, and the lobster is disinfected again, which is the working principle and the operation method of the device.

Finally, it should be noted that the above-mentioned contents are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, and that the simple modifications or equivalent substitutions of the technical solutions of the present invention by those of ordinary skill in the art can be made without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. The utility model provides a back of body device is driven to lobster, includes operation panel (1) and booster pump (28), its characterized in that: a cleaning box (2) is clamped and installed on the left side of the upper end of the operating platform (1), first electric telescopic rods (3) are fixedly installed on the left side and the right side of the inner bottom end of the cleaning box (2), a filter box (4) is fixedly installed on the upper end of each first electric telescopic rod (3), a partition plate (5) is vertically and fixedly arranged in the middle of the inner portion of each filter box (4), a glass plate (6) is arranged on the left side wall of the cleaning box (2), a protective shell (7) is fixedly installed on the surface of the left side of the cleaning box (2), an installation seat (8) is fixedly arranged at the inner bottom end of each protective shell (7), an ultraviolet lamp (9) is clamped and installed in the installation seat (8), and a power supply (10) is electrically connected to the upper;

a first motor (11) is fixedly arranged at the right end inside the operating platform (1), a first fluted disc (12) is installed at the upper end of the first motor (11), a second fluted disc (13) is connected to the left side of the first fluted disc (12) in a meshed manner, a turntable (14) is connected to the upper end of the second fluted disc (13), a channel (15) is formed inside the turntable (14), supporting plates (16) are fixedly connected to the left side and the right side of the turntable (14), a placing plate (17) is movably installed at the upper end of the supporting plate (16), placing grooves (18) are formed in the placing plate (17) at equal intervals, a pressing device (19) is installed at the upper end of the placing plate (17), moving pieces (20) are movably connected to the front side and the rear side of the placing plate (17), and a claw supporting piece (21) is movably connected to one end, far away from the placing plate (17), an expansion bar (22) is fixedly connected to the outer surface of the supporting claw piece (21), an auxiliary pulley (23) is fixedly mounted on the lower surface of the expansion bar (22), the auxiliary pulley (23) is located inside the channel (15), a third fluted disc (24) is meshed and connected to the inner side of the expansion bar (22), a hanging rod (25) penetrates through the middle of the third fluted disc (24), and the bottom end of the hanging rod (25) is movably connected inside the rotary disc (14);

the upper end of the suspender (25) is fixedly connected with a bracket (26), the left side of the upper surface of the bracket (26) is fixedly provided with a water tank (27), the booster pump (28) is tightly arranged on the right side of the water tank (27), the lower end of the booster pump (28) is connected with a water pipe (29), the lower end of the water pipe (29) is connected with a spray head (30), a rear supporting sheet (31) is arranged on the outer side of the spray head (30), a second electric telescopic rod (32) is fixedly connected with the front side of the upper end of the rear supporting sheet (31), and the lower end of the second electric telescopic rod (32) is fixedly connected with a second motor (33), a cleaning disc (34) is arranged at the lower end of the second motor (33), a third electric telescopic rod (35) is fixedly arranged on the lower surface of the right end of the bracket (26), and the lower end of the third electric telescopic rod (35) is fixedly provided with a cutting device (36).

2. The lobster back-opening device as claimed in claim 1, wherein: the inside of cleaning case (2) of rose box (4) is elevation structure, and first electric telescopic handle (3) are provided with 2 groups about the axis symmetry of rose box (4) to the bottom surface of rose box (4) is honeycomb structure.

3. The lobster back-opening device as claimed in claim 1, wherein: the first fluted disc (12), the second fluted disc (13) and the rotary disc (14) form a linkage structure, and 2 groups of the supporting plates (16) are symmetrically arranged around the central axis of the rotary disc (14).

4. The lobster back-opening device as claimed in claim 1, wherein: the placing grooves (18) are provided with 3 groups in the placing plate (17), and the lower end surfaces of the placing grooves (18) are of honeycomb structures.

5. The lobster back-opening device as claimed in claim 1, wherein: the pressing device (19) comprises a pressing plate (1901), a fixed shaft seat (1902), a rotating shaft (1903), a first cutting groove (1904), a second cutting groove (1905) and a scratching block (1906), the left end of the pressing plate (1901) is internally provided with the fixed shaft seat (1902) in a penetrating mode, the outer end of the fixed shaft seat (1902) is fixedly provided with the rotating shaft (1903), the upper surface of the pressing plate (1901) is equidistantly provided with the first cutting groove (1904), and the second cutting groove (1905) is symmetrically arranged on the front side and the rear side of the right side of the first cutting groove (1904).

6. The lobster back-opening device as claimed in claim 1, wherein: the movable pieces (20) are symmetrically arranged relative to the claw supporting pieces (21), 1 group of claw supporting pieces (21) are connected to the front side and the rear side of the placing plate (17) through 2 groups of movable pieces (20), and the third fluted disc (24), the telescopic bar (22) and the claw supporting pieces (21) form a linkage structure.

7. The lobster back-opening device as claimed in claim 1, wherein: the telescopic bar (22) is provided with 2 groups in central symmetry about the suspender (25), the upper end of the turntable (14) of the telescopic bar (22) is of a sliding structure, and the left end and the right end of the telescopic bar (22) are both connected with the claw supporting sheets (21).

8. The lobster back-opening device as claimed in claim 1, wherein: the second motor (33) is of a sliding structure on the support (26), and the second motor (33) is of a lifting structure at the lower end of the support (26).

9. The lobster back-opening device as claimed in claim 1, wherein: the cutting device (36) comprises a cutting plate (3601), first cutting pieces (3602) and second cutting pieces (3603), the first cutting pieces (3602) are installed on the lower surface of the cutting plate (3601) at equal intervals, and the second cutting pieces (3603) are installed on the right side of the first cutting pieces (3602) in a front-back symmetrical mode.