Automatic rainbow trout film coating, storing, fresh-keeping and packaging device

Abstract

The invention belongs to the technical field of rainbow trout packaging, and discloses an automatic rainbow trout film coating storage fresh-keeping packaging device which comprises a supporting frame, and a conveying chain belt is arranged on the supporting frame; the cutting mechanism comprises a first support arranged on the supporting frame, a cutting table is arranged on the first support, and a cutting knife is slidably connected to the cutting table; the spraying mechanism comprises a spraying plate arranged on the supporting frame, spraying assemblies are arranged on the two sides of the spraying plate correspondingly, and the spraying assemblies are in transmission connection with a spraying power assembly arranged on the spraying plate; the turnover mechanism comprises a second support arranged on the supporting frame, and a turnover assembly used for turning over the rainbow trout is arranged on the second support. And the packaging equipment is arranged on the supporting frame and is used for packaging the sprayed rainbow trout. The rainbow trout film coating device is simple in structure, convenient to use, capable of automatically achieving the processes of cutting off, film coating and packaging rainbow trout, free of manual intervention, high in sectioning uniformity, free of dead corners in film coating and good in quality, the decay speed of rainbow trout is effectively reduced, and the preservation time is prolonged.

Description

Technical Field

[0001] The invention relates to the technical field of rainbow trout packaging, in particular to an automatic film coating storage and fresh-keeping packaging device for rainbow trout. Background Art

[0002] Rainbow trout is one of the world's most valuable cold-water fish species, and its preservation technology is of great significance for maintaining product quality and extending shelf life.

[0003] Traditional rainbow trout processing methods usually include steps such as manual cutting and simple packaging. These methods are not only inefficient, but also difficult to ensure the consistency and sanitary safety of the product. In recent years, film coating preservation technology has received widespread attention due to its advantages such as simple operation, low equipment requirements, and significant effects. Film coating preservation technology is to apply a layer of polymer liquid film on the surface of rainbow trout products. After drying, a uniform film is formed to isolate the rainbow trout products from gas exchange with the air, reduce the respiration of rainbow trout products, reduce the consumption of nutrients, improve the hardness and freshness of rainbow trout products, and reduce the infection of pathogens and the resulting decay. However, there are some problems with the existing rainbow trout product film coating preservation equipment during use. When the fish product is removed from the edible film solution tank for natural drying after coating, the efficiency is low, and the excess coating agent on the coating plate is easy to drip onto the outside of the equipment, polluting the environment and causing waste of raw materials. In addition, traditional coating equipment often lacks automation and intelligence, making it difficult to achieve efficient coating and packaging operations.

[0004] Therefore, the present application designs an automatic film coating storage and fresh-keeping packaging device for rainbow trout to solve the above technical problems. Summary of the Invention

[0005] The purpose of the present invention is to provide an automatic film coating storage and fresh-keeping packaging device for rainbow trout, so as to solve the problems existing in the prior art.

[0006] To achieve the above-mentioned object, the present invention provides the following solution: The present invention provides an automatic film coating storage and fresh-keeping packaging device for rainbow trout, comprising:

[0007] A support frame, the support frame being fixed on the ground as a base of the device; the support frame being provided with a conveyor chain for conveying rainbow trout;

[0008] The cutting mechanism comprises a first bracket arranged on the support frame, a cutting table is arranged on the first bracket, and a cutting knife is slidably connected to the cutting table;

[0009] The spraying mechanism comprises a spraying plate arranged on the support frame, with spraying assemblies respectively arranged on both sides of the spraying plate, and the spraying assemblies are transmission-connected to the spraying power assembly arranged on the spraying plate;

[0010] The turning mechanism includes a second bracket provided on the support frame and located between the two spraying assemblies, wherein the second bracket is provided with a turning assembly for turning the rainbow trout;

[0011] The packaging equipment is arranged on the support frame and is used for packaging the sprayed rainbow trout.

[0012] Preferably, the first bracket includes a cutting frame fixed to the support frame, a first slide is longitudinally slidable on the cutting frame, the bottom surface of the first slide is rotatably connected to a rotating disk, and a first electric cylinder is longitudinally arranged between the rotating disk and the cutting table.

[0013] Preferably, a rotating shaft is fixed on both sides of the top of the rotating disk, and an arc groove corresponding to the rotating shaft is opened on the first slide. The rotating shaft is slidably connected in the arc groove and is corresponding to the angle mark set on the first slide.

[0014] Preferably, the spraying assembly includes a liquid storage tank arranged on the spraying plate, the liquid storage tank is connected to a water supply plate rotatably arranged on the side wall of the spraying plate, a plurality of spray heads are arranged at the bottom end of the water supply plate, and the spraying power assembly is respectively connected to the water supply plate and the spray head.

[0015] Preferably, the spraying power assembly includes a bidirectional motor arranged on the spraying plate, and the two output ends of the bidirectional motor are respectively connected to a reciprocating screw, and the reciprocating screw is threadedly connected to an internal thread block, and the bottom end of the internal thread block is fixedly connected to a first transmission gear plate, and the first transmission gear plate is engaged with a first transmission gear arranged on the side wall of the water supply plate for transmission.

[0016] Preferably, the spray assembly also includes a circulation box arranged on the support frame for recovering the remaining coating liquid, and a booster pump is installed on the circulation box. The inlet of the booster pump is connected to the circulation box, and the outlet of the booster pump is connected to the liquid storage tank.

[0017] Preferably, the second bracket includes a flip frame arranged on the support frame and located between the two water supply plates, the flip frame is provided with a longitudinally arranged guide rail, the guide rail is slidably connected to a second slide, and the flip assembly is installed on the second slide.

[0018] Preferably, a second servo motor is fixedly mounted on the second slide, and an output end of the second servo motor is transmission-connected to a second transmission gear, and the second transmission gear is meshed with a second transmission tooth plate arranged on the second slide for transmission.

[0019] Preferably, the flipping assembly includes a flipping table rotatably connected to the second slide, a bidirectional cylinder is fixedly installed in the middle of the flipping table, two output ends of the bidirectional cylinder are respectively connected to clamps for movement, and the clamps are slidably connected to the flipping table.

[0020] Preferably, a second electric cylinder is provided on the second slide, and the output end of the second electric cylinder is transmission-connected to a third transmission gear plate, and the third transmission gear plate is meshed with a third transmission gear provided on the flip platform for transmission.

[0021] Compared with the prior art, the present invention has the following advantages and technical effects: the present invention discloses an automatic coating storage and fresh-keeping packaging device for rainbow trout, the support frame fixes the device on the ground, ensuring the stability of the device operation; the conveyor chain can transport the rainbow trout and arrive under the first bracket of the cutting mechanism, the cutting table is lifted and lowered to the top of the rainbow trout and adjusted to a height suitable for cutting the rainbow trout body, and the rainbow trout is cut into pieces by the cutting knife, and the transmission distance of the conveyor chain can be flexibly adjusted to control the cutting length of the rainbow trout; the cut rainbow trout pieces are moved to the bottom of the spray plate of the spray mechanism, and the surface of the fish pieces is sprayed with fresh-keeping film liquid by the spray component on one side, and then moved to the bottom of the flipping mechanism, the fish segments are flipped by the flipping component, and then the flipped fish segments are sprayed with fresh-keeping film liquid by another spray component, ensuring that the surfaces of the fish segments are coated and avoiding dead corners of the coating; the fish segments are then plastic-sealed and packaged by the packaging equipment to complete the fresh-keeping packaging of the rainbow trout.

[0022] The invention has a simple structure and is easy to use. It can automatically realize the processes of cutting, coating and packaging rainbow trout without manual intervention. The segmentation uniformity is high, the coating has no dead angle and is of good quality. It effectively reduces the spoilage speed of rainbow trout and prolongs the shelf life. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The accompanying drawings, which constitute part of this application, are intended to provide a further understanding of this application. The exemplary embodiments and descriptions of this application are intended to explain this application and do not constitute an improper limitation on this application. In the accompanying drawings:

[0024] Figure 1 This is a schematic diagram of the overall structure of the automatic film coating storage and fresh-keeping packaging device for rainbow trout of the present invention;

[0025] Figure 2 Schematic diagram of the cutting mechanism in the structure of the present invention;

[0026] Figure 3 It is a structural schematic diagram of the rotating disk in the structure of the present invention;

[0027] Figure 4 Schematic diagram of the spray assembly structure of the spray mechanism in the structure of the present invention;

[0028] Figure 5 This is a schematic diagram of the circulation box structure of the spraying mechanism in the structure of the present invention;

[0029] Figure 6 Schematic diagram of the flipping mechanism in the structure of the present invention;

[0030] Figure 7 Schematic diagram of the turning platform of the turning mechanism in the structure of the present invention;

[0031] In the figure: 1. Support frame; 2. Collection box; 3. Conveyor chain; 4. Cutting mechanism; 401. Cutting frame; 402. First slide; 403. Rotating disk; 404. First electric cylinder; 405. Cutting table; 406. Cutting knife; 407. Rotating shaft; 408. Angle mark; 409. First servo motor; 5. Spraying mechanism; 501. Spraying plate; 502. Water supply plate; 503. Spraying head; 504. Reciprocating screw; 505. Internal thread block; 506. First transmission gear plate; 507. First transmission gear; 5 08. Bidirectional motor; 509. Circulation box; 510. Guide tube; 511. Booster pump; 512. Infusion tube; 6. Turning mechanism; 601. Turning frame; 602. Guide rail; 603. Second slide; 604. Second transmission gear plate; 605. Second servo motor; 606. Second transmission gear; 607. Turning table; 608. Bidirectional cylinder; 609. Clamping block; 610. Third transmission gear; 611. Second electric cylinder; 612. Third transmission gear plate; 7. Packaging equipment; 8. Hot air blower; 9. Guide block. DETAILED DESCRIPTION

[0032] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0033] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0034] Reference Figure 1-Figure 7 As shown, this embodiment provides an automatic film coating storage and fresh-keeping packaging device for rainbow trout, comprising:

[0035] A support frame 1 is fixed on the ground as a base of the device; a conveyor chain 3 for conveying rainbow trout is provided on the support frame 1;

[0036] The cutting mechanism 4 includes a first bracket provided on the support frame 1, a cutting table 405 is provided on the first bracket, and a cutting blade 406 is slidably connected to the cutting table 405;

[0037] The spraying mechanism 5 includes a spraying plate 501 provided on the support frame 1, with spraying components provided on both sides of the spraying plate 501, and the spraying components are transmission-connected to the spraying power components provided on the spraying plate 501;

[0038] The turning mechanism 6 includes a second bracket provided on the support frame 1 and located between the two spraying assemblies, and the second bracket is provided with a turning assembly for turning the rainbow trout;

[0039] The packaging equipment 7 is arranged on the support frame 1 and is used to package the sprayed rainbow trout.

[0040] The present invention discloses an automatic film coating storage and fresh-keeping packaging device for rainbow trout. A support frame 1 fixes the device on the ground, ensuring the stability of the device operation; a conveyor chain 3 can convey the rainbow trout to the bottom of the first bracket of a cutting mechanism 4, a cutting table 405 is lifted and lowered to the top of the rainbow trout and adjusted to a height suitable for cutting the rainbow trout body, and the rainbow trout is cut into pieces by a cutting knife 406. The transmission distance of the conveyor chain 3 can be flexibly adjusted to control the cutting length of the rainbow trout; the cut rainbow trout pieces are moved to the bottom of a spraying plate 501 of a spraying mechanism 5, and a preservative film liquid is sprayed on the surface of the fish piece by a spraying component on one side, and then the pieces are moved to the bottom of a flipping mechanism 6, and the fish pieces are flipped by the flipping component, and then the flipped fish pieces are sprayed with preservative film liquid by another spraying component, to ensure that the surfaces of the fish pieces are all coated and to avoid dead corners of the coating; the fish pieces are then plastic-sealed and packaged by a packaging device 7 to complete the fresh-keeping packaging of the rainbow trout. The invention has a simple structure and is easy to use. It can automatically realize the processes of cutting, coating and packaging rainbow trout without manual intervention. The segmentation uniformity is high, the coating has no dead angle and is of good quality. It effectively reduces the spoilage speed of rainbow trout and prolongs the shelf life.

[0041] In one embodiment of the present application, a collecting box 2 is provided on the support frame 1, and the remaining components are installed in the collecting box 2. After coating, excess coating liquid falls into the collecting box 2, which is convenient for recycling and can be reused after processing, thereby reducing waste of coating liquid and reducing costs.

[0042] In one embodiment of the present application, guide blocks 9 are installed on the surfaces of both sides of the conveyor chain 3 to facilitate the definition of the position of the rainbow trout.

[0043] In one embodiment of the present application, a hot air blower 8 is installed on the surface of the packaging device 7 to accelerate the drying of the coating liquid, facilitate the packaging device 7 to package the fish segments, and speed up the packaging speed.

[0044] A further optimized solution is that the first bracket includes a cutting frame 401 fixedly connected to the supporting frame 1, and a first slide 402 is longitudinally sliding on the cutting frame 401, and a rotating disk 403 is rotatably connected to the bottom surface of the first slide 402, and a longitudinally arranged first electric cylinder 404 is arranged between the rotating disk 403 and the cutting table 405; a rotating shaft 407 is fixedly connected to both sides of the top of the rotating disk 403, and an arc groove corresponding to the rotating shaft 407 is opened on the first slide 402, and the rotating shaft 407 is slidably connected in the arc groove and is arranged corresponding to the angle mark 408 arranged on the first slide 402. The cutting frame 401 is installed on the surface of the conveyor chain 3, and the first slide 402 is slidably connected to the cutting frame 401. The first slide 402 is provided with a rotating disk 403, and the bottom of the rotating disk 403 is installed with a longitudinally adjustable first electric cylinder 404. The surface of the piston rod of the first electric cylinder 404 is installed with a cutting table 405, and the surface of the cutting table 405 is slidably connected with a cutting knife 406. The surfaces on both sides of the rotating disk 403 are fixedly connected with rotating shafts 407, and the two rotating shafts 407 are slidably connected to the arc groove on the surface of the first slide 402. The surface of a slide 402 is provided with an angle mark 408 adapted to the rotating shaft 407. The surface of the first slide 402 is installed with a first servo motor 409, and the output shaft of the first servo motor 409 is fixedly connected to the rotating disk 403; the first servo motor 409 is started, and its output shaft drives the rotating disk 403 to adjust the angle, thereby adjusting the cutting angle of the cutting knife 406, and then the first electric cylinder 404 starts its piston rod to drive the cutting table 405 to adjust the height, thereby realizing the cutting of the rainbow trout by the cutting knife 406.

[0045] In one embodiment of the present application, the cutting knife 406 is a knife specifically used for cutting rainbow trout.

[0046] To further optimize the solution, the spraying assembly includes a liquid storage tank arranged on the spraying plate 501, which is connected by rotating the water supply plate 502 arranged on the side wall of the spraying plate 501. A number of spray heads 503 are provided at the bottom end of the water supply plate 502, and the spraying power assembly is respectively connected to the water supply plate 502 and the spray head 503; the spraying power assembly includes a bidirectional motor 508 arranged on the spraying plate 501, and the two output ends of the bidirectional motor 508 are respectively connected to the reciprocating screw 504, and the reciprocating screw 504 is threaded with an internal thread block 505, and the bottom end of the internal thread block 505 is fixed with a first transmission gear plate 506, and the first transmission gear plate 506 is meshed with the first transmission gear 507 arranged on the side wall of the water supply plate 502 for transmission. The spraying plate 501 is mounted on the collecting box 2 and suspended above the conveyor chain 3. Two water supply plates 502 are rotatably connected to the two sides of the spraying plate 501. A plurality of spray heads 503 are installed at the bottom of the water supply plate 502. The water supply plate 502 evenly distributes the coating liquid and sprays it on the knife fish segments through the spray heads 503; the bidirectional motor 508 on the spraying plate 501 drives the two reciprocating screws 504 to rotate, and then drives the first transmission gear plate 506 to translate through the internal thread block 505, and drives the first transmission gear 507 engaged with the first transmission gear plate 506 to rotate, thereby driving the water supply plate 502 and the spray head 503 to deflect, spraying and coating the fish segments in all directions, reducing the dead angles of spraying, and ensuring that all parts of the fish segments can be coated.

[0047] A further optimization scheme is that the spray assembly also includes a circulation box 509 mounted on the support frame 1 for recovering excess coating liquid. A booster pump 511 is installed on the circulation box 509. The inlet of the booster pump 511 is connected to the circulation box 509, and the outlet of the booster pump 511 is connected to the liquid storage tank. When the booster pump 511 is activated, it sucks the coating liquid out of the circulation box 509 and delivers it to the liquid storage tank through the liquid delivery tube 512. The liquid is then delivered to the water delivery plate 502 and the spray head 503 through the liquid storage tank. The coating liquid is then sprayed onto the surface of the rainbow trout through the spray head 503. During the spraying process, excess coating liquid drips from the fish segments or the conveyor chain 3 and falls into the collection box 2. After being collected and filtered, sterilized, and other treatments, it flows back to the circulation box 509 through the guide tube 510 and is recycled again, avoiding waste and reducing costs.

[0048] In a further optimization, the second bracket includes a turning frame 601 mounted on the support frame 1 and positioned between the two water-delivery plates 502. This turning frame 601 is equipped with a longitudinally arranged guide rail 602, to which a second slide 603 is slidably connected. The turning assembly is mounted on this second slide 603. When the fish, coated on one side, moves to the turning frame 601, the second slide 603 slides on the guide rail 602 to the appropriate position. The turning assembly then turns the fish over. The next set of spray heads 503 then coats the turned fish, avoiding any blind spots and ensuring that the entire fish is covered by the coating liquid.

[0049] In a further optimization, a second servo motor 605 is fixedly mounted on the second slide 603. The output end of the second servo motor 605 is connected to a second transmission gear 606, which meshes with a second transmission rack 604 provided on the second slide 603. When the second servo motor 605 is activated, its output shaft drives the second transmission gear 606 to rotate. The meshing action of the second transmission gear 606 and the second transmission rack 604 drives the second slide 603 to move on the surface of the guide rail 602, thereby adjusting the height of the flip assembly to accommodate fish of different sizes and provide better applicability.

[0050] A further optimized solution is that the flipping assembly includes a flipping table 607 rotatably connected to the second slide 603. A two-way cylinder 608 is fixedly installed in the middle of the flipping table 607. The two output ends of the two-way cylinder 608 are respectively connected to clamping blocks 609, which are slidably connected to the flipping table 607. The two-way cylinder 608 on the flipping table 607 drives the two clamping blocks 609 to slide on the flipping table 607 to clamp the fish segments. Different fish segments can be clamped, and then the fish segments are flipped by rotating the flipping table 607, exposing the side without coating to facilitate coating of the fish segments.

[0051] In a further optimization, a second electric cylinder 611 is mounted on the second slide 603. The output end of the second electric cylinder 611 is connected to a third transmission rack 612, which meshes with a third transmission gear 610 mounted on the flip table 607. When the flip table 607 needs to be rotated, the second electric cylinder 611 is activated, and its piston rod pushes the third transmission rack 612 to move, driving the third transmission gear 610 meshed with the third transmission rack 612 to rotate. The rotation of the third transmission gear 610 then causes the Yu segment to flip.

[0052] In one embodiment of the present application, the coating liquid is a preservative liquid specifically used for coating and preserving rainbow trout, and has good antioxidant and antibacterial effects on rainbow trout storage.

[0053] In one embodiment of the present application, the size of the turning platform 607 is not less than the maximum size of the rainbow trout segments, ensuring that fish segments of various sizes can be clamped.

[0054] In one embodiment of the present application, a number of sensors and cameras can be integrated on the device to facilitate the positioning of rainbow trout and detect the status of film packaging. Combined with the use of artificial intelligence, automatic film packaging of rainbow trout can be achieved.

[0055] Working principle:

[0056] The rainbow trout is placed on the conveyor chain 3 and can be conveyed by the conveyor chain 3. By controlling the adjustment of the conveying distance of the conveyor chain 3, it is ensured that each rainbow trout is cut into four equal parts. The first servo motor 409 is activated and its output shaft drives the rotating disk 403 to adjust the angle, thereby adjusting the cutting angle of the cutting knife 406. The cutting knife 406 is a special cutting knife 406 for rainbow trout. The cutting knife 406 then starts the first electric cylinder 404 and its piston rod drives the cutting table 405 to adjust the height, setting it to a height suitable for cutting the rainbow trout body, thereby achieving fast and accurate segmentation of the rainbow trout by the cutting knife 406. The rainbow trout is then moved to the bottom of the spraying plate 501, and the bidirectional motor 508 is activated and its output shafts on both sides drive the reciprocating screw 504 to rotate. The reciprocating screw 504 rotates the internal thread block 505 and the first transmission gear plate 506 to move. At this time, under the action of the first transmission gear 507, the water supply plate 502 and the spray head 503 are driven to rotate. The booster pump 511 is started to suck out the fresh-keeping liquid inside the circulation box 509 and transport it to the spray head 503 through the infusion tube 512. At this time, the fresh-keeping liquid is sprayed on the surface of the rainbow trout through the spray head 503. The circulation box 509 contains a special coating liquid for rainbow trout, which has a significant inhibitory effect on the corruption of rainbow trout during storage. The second servo motor 605 is started and its output shaft drives the second transmission gear 606 to rotate. At this time, under the action of the second transmission gear plate 604, the second slide 603 is driven to move on the surface of the guide rail 602. Then, the bidirectional cylinder 608 is started and its piston rod drives the clamping block 609 to move, thereby clamping the fish segment. Then, the second electric cylinder 611 is started and its piston rod pushes the third transmission gear plate 612 to move. At this time, the fish segment is turned over under the action of the third transmission gear 610. The size of the turning table 607 is consistent with the size of the rainbow trout segment, and the fresh-keeping film liquid is evenly sprayed on all sides of the fish end. Then, the fish segment is plastic-sealed and packaged by the packaging equipment 7.

[0057] In the description of the present invention, it should be understood that the terms "longitudinal", "transverse", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0058] The embodiments described above are merely descriptions of preferred embodiments of the present invention and are not intended to limit the scope of the present invention. Without departing from the spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by persons skilled in the art should fall within the scope of protection defined by the claims of the present invention.

Claims

1. An automatic film coating storage and fresh-keeping packaging device for rainbow trout, characterized in that: include: A support frame (1), the support frame (1) being fixed on the ground as a device foundation; the support frame (1) being provided with a conveyor chain belt (3) for conveying rainbow trout; A cutting mechanism (4) comprises a first bracket arranged on the support frame (1), a cutting table (405) being arranged on the first bracket, and a cutting knife (406) being slidably connected to the cutting table (405); A spraying mechanism (5) comprises a spraying plate (501) arranged on the support frame (1), spraying assemblies are respectively arranged on both sides of the spraying plate (501), and the spraying assemblies are drivingly connected to the spraying power assembly arranged on the spraying plate (501); A turning mechanism (6) comprises a second bracket arranged on the support frame (1) and located between the two spraying assemblies, wherein the second bracket is provided with a turning assembly for turning the rainbow trout; A packaging device (7) is arranged on the support frame (1) and is used for packaging the sprayed rainbow trout.

2. The automatic film coating storage and fresh-keeping packaging device for rainbow trout according to claim 1 is characterized in that: The first bracket comprises a cutting frame (401) fixedly connected to the supporting frame (1); a first slide table (402) is longitudinally slidable on the cutting frame (401); a rotating disk (403) is rotatably connected to the bottom surface of the first slide table (402); and a first electric cylinder (404) is longitudinally arranged between the rotating disk (403) and the cutting table (405).

3. The automatic film coating storage and fresh-keeping packaging device for rainbow trout according to claim 2 is characterized in that: A rotating shaft (407) is fixedly connected to both sides of the top of the rotating disk (403); an arc groove corresponding to the rotating shaft (407) is opened on the first slide (402); the rotating shaft (407) is slidably connected in the arc groove and is corresponding to an angle mark (408) arranged on the first slide (402).

4. The automatic film coating storage and fresh-keeping packaging device for rainbow trout according to claim 1 is characterized in that: The spraying assembly comprises a liquid storage tank arranged on the spraying plate (501), the liquid storage tank is rotatably connected to a water supply plate (502) arranged on the side wall of the spraying plate (501), a plurality of spray heads (503) are arranged at the bottom end of the water supply plate (502), and the spraying power assembly is respectively connected to the water supply plate (502) and the spray heads (503) in a transmission manner.

5. The automatic film coating storage and fresh-keeping packaging device for rainbow trout according to claim 4 is characterized in that: The spraying power assembly comprises a bidirectional motor (508) arranged on the spraying plate (501), the two output ends of the bidirectional motor (508) are respectively connected to a reciprocating screw (504), the reciprocating screw (504) is threadedly connected to an internal thread block (505), the bottom end of the internal thread block (505) is fixedly connected to a first transmission tooth plate (506), and the first transmission tooth plate (506) is meshed with a first transmission gear (507) arranged on the side wall of the water conveying plate (502) for transmission.

6. The automatic film coating storage and fresh-keeping packaging device for rainbow trout according to claim 4 is characterized in that: The spraying assembly also includes a circulation box (509) arranged on the support frame (1) for recovering residual coating liquid, and a booster pump (511) is installed on the circulation box (509), the inlet of the booster pump (511) is connected to the circulation box (509), and the outlet of the booster pump (511) is connected to the liquid storage tank.

7. The automatic film coating storage and fresh-keeping packaging device for rainbow trout according to claim 4 is characterized in that: The second bracket comprises a flip frame (601) arranged on the support frame (1) and located between the two water conveying plates (502); the flip frame (601) is provided with a longitudinally arranged guide rail (602); a second slide (603) is slidably connected to the guide rail (602); and the flip assembly is mounted on the second slide (603).

8. The automatic film coating storage and fresh-keeping packaging device for rainbow trout according to claim 7 is characterized in that: A second servo motor (605) is fixedly mounted on the second slide (603); an output end of the second servo motor (605) is transmission-connected to a second transmission gear (606); and the second transmission gear (606) is meshed with a second transmission tooth plate (604) arranged on the second slide (603).

9. The automatic film coating storage and fresh-keeping packaging device for rainbow trout according to claim 7 is characterized in that: The flip assembly comprises a flip table (607) rotatably connected to the second slide table (603), a bidirectional cylinder (608) is fixedly installed in the middle of the flip table (607), two output ends of the bidirectional cylinder (608) are respectively movably connected to clamping blocks (609), and the clamping blocks (609) are slidably connected to the flip table (607).

10. The automatic film coating storage and fresh-keeping packaging device for rainbow trout according to claim 9 is characterized in that: A second electric cylinder (611) is arranged on the second slide (603), and the output end of the second electric cylinder (611) is transmission-connected to a third transmission gear plate (612), and the third transmission gear plate (612) is meshed with a third transmission gear (610) arranged on the flip table (607) for transmission.

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