An adaptive fish body filleting machine

Abstract

This invention discloses a fish primary processing machine that adapts to the fish body, belonging to the technical field of fish product processing equipment. The invention includes a housing and a descaling device, a conveying device, and a visceration device disposed within the housing. The descaling device includes a descaling support plate and a pair of descaling connecting shafts disposed on the support plate. The connecting shafts are axially spaced with several sets of scraping mechanisms. Each scraping mechanism includes multiple circularly distributed blades, one end of which is rotatably connected to the connecting shafts, and the other end serving as the scraping end. When the connecting shafts rotate, the blades can expand outwards under centrifugal force, flexibly swinging to adjust their position under fish pressure, automatically adjusting their working radius, and dynamically adapting to the curved surfaces of fish of different sizes.

Description

Technical Field

[0001] This invention belongs to the technical field of fish product processing equipment, and more specifically, relates to a fish primary processing machine that adapts to the fish body. Background Technology

[0002] Fish products are highly nutritious and widely consumed, but traditional fish-killing is generally done manually. The working environment for manual fish-killing is poor; hands are constantly in contact with blood, and because fish are slippery and difficult to control, they are prone to slipping. Furthermore, the workload is heavy, inefficient, and there is a risk of injury to the operator.

[0003] With the increasing automation in the aquatic product processing industry, integrated fish primary processing machines have been widely used in large-scale production. For example, patent CN110353025A discloses an automatic fish cleaning and scaling device. This application uses a clamping force control device composed of an anti-compression spring, a telescopic rod, and small bearing components to adapt to the clamping and conveying of fish of a certain width. Simultaneously, the pressure plate of the viscera cleaning device can adjust its height by screwing in and out a threaded rod, and the scraper's extension and retraction can be adjusted by rotating an adjusting rod to accommodate fish of different sizes for viscera removal. However, the scaling device in this application does not possess good adaptive fish-body functionality.

[0004] For example, patent CN114514941A discloses a fully automatic fish-killing and scaling device. This application can complete the removal of fish scales, the processing of fish viscera, the collection of fish scales, and the cleaning of the fish after scale removal and visceration in one go, with a high degree of automation. At the same time, the vertical movement distance of the brush scraping mechanism is realized through the connection between the pressure sensor and the lead screw and the brush mechanism, which precisely and effectively controls the height of the scale-removing brush mechanism, so that fish of different sizes are closely combined in the scale-removing device to ensure the scale removal effect.

[0005] However, in this application, an electrically controlled lifting structure using a lead screw and pressure sensor is employed to make the descaling device suitable for different fish sizes. On the one hand, this requires additional equipment investment, which is not conducive to cost savings; on the other hand, since fish bodies are generally irregular streamlined curved surfaces with significant differences in thickness at different parts, the scaling mechanism can only perform single-point height adjustments and cannot dynamically adjust in real time according to the fish's contour during operation. This results in inconsistent contact between the brush and different parts of the fish, thus affecting the overall descaling effect. Summary of the Invention

[0006] The problem to be solved To address at least some of the problems existing in the prior art, this invention proposes a fish pre-processing machine that adapts to the fish body. During descaling, it not only achieves dynamic adaptive fitting of the fish body contour without the need for additional adjustment structures, but also ensures high-intensity descaling.

[0007] Technical solution To solve the above problems, the technical solution adopted by the present invention is as follows: The present invention provides a fish pre-processing machine that adapts to the fish body, comprising a shell and a descaling device, a conveying device, and a visceration device disposed within the shell; wherein... The descaling device is used to descale the fish, the conveying device is used to carry the descaled fish and continue to transport the fish; the evisceration device is located on the conveying path of the conveying device and is used to open the abdomen and remove the viscera of the fish transported by the conveying device. The descaling device includes a descaling support plate and a pair of descaling connecting shafts disposed on the descaling support plate. The descaling connecting shafts are provided with a number of scraping mechanisms at intervals along their axial direction. The scaling mechanism includes multiple blades arranged in a ring. One end of each blade is rotatably connected to a descaling connecting shaft, and the other end is the scaling working end. When the descaling connecting shaft rotates, the sling can unfold outward under centrifugal force. It can swing flexibly to make way when squeezed by the fish, automatically adjust the working radius, and dynamically adapt to the curved surface of fish of different sizes.

[0008] In some embodiments, the scaling mechanism further includes a plurality of mounting discs axially sleeved along the descaling connecting shaft, and a plurality of connecting rods arranged in a ring in the area between two adjacent mounting discs. The connecting rod is provided with an isolation seat, and each of the upper and lower ends of the isolation seat is provided with a sling cutter. The sling cutter is rotatably sleeved on the connecting rod through the mounting hole on it.

[0009] In some embodiments, the sling cutter is made of rust-proof metal, and the scraping end of the sling cutter is provided with several serrated cutting edges.

[0010] In some embodiments, the descaling device further includes a descaling drive mechanism that drives the two descaling connecting shafts to rotate in opposite directions. The descaling drive mechanism includes a pair of meshing transmission gears, which are respectively connected to two descaling connecting shafts, and one of the descaling connecting shafts is connected to a descaling motor.

[0011] In some embodiments, the viscera removal device includes a viscera removal support plate and a pair of viscera removal connecting shafts disposed on the viscera removal support plate, with a blade and a brush respectively connected to the two viscera removal connecting shafts; and along the conveying direction of the conveying device, the blade is located behind the brush.

[0012] In some embodiments, the evisceration device further includes an evisceration drive mechanism for driving the blade and brush to rotate; wherein the blade and brush are both disc-shaped, and the rotation direction of the blade and brush is opposite to the conveying direction of the conveying device.

[0013] In some embodiments, the viscera removal drive mechanism includes a viscera removal motor, which is connected to one of the viscera removal connecting shafts via a pulley assembly, and the two viscera removal connecting shafts are also connected by a pulley assembly to transmit power.

[0014] In some embodiments, a cleaning device is also provided inside the housing, the cleaning device including a water pump and a delivery pipe connected to the outlet end of the water pump. The conveying pipeline is connected to at least three branch pipelines, which extend to the descaling device, the blade, and the brush respectively.

[0015] In some embodiments, the housing is provided with a collection trough, which is located entirely below the evisceration device and at least covers the area where the branch pipe is located.

[0016] In some embodiments, the collection tank, blade, brush, and branch pipe are located on the same side of the visceration support plate; the water pump and visceration motor are located on the other side of the visceration support plate.

[0017] Beneficial effects Compared with the prior art, the beneficial effects of the present invention are as follows: (1) The fish pre-processing machine of the present invention is adapted to the fish body. By rotating the mounting plate with a swivel blade, when the descaling connecting shaft rotates, the swivel blade can unfold outward under the action of centrifugal force. It can flexibly swing to make way under the pressure of the fish body and automatically adjust the working radius, so that the fish body contour can be dynamically adapted to fit without the need for additional adjustment structure. At the same time, compared with the traditional soft brush, the swivel blade has better rigidity, thus providing sufficient scraping force to ensure the descaling effect.

[0018] (2) The fish pre-processing machine of the present invention is adapted to the fish body. Several mounting discs are sleeved on the descaling connecting shaft, and the sling cutter is set in the area between two mounting discs, thereby effectively preventing mutual interference between the axial sling cutters. At the same time, two sets of sling cutters are provided in the area between the two mounting discs, which are separated by the isolation seat, thereby effectively increasing the number of sling cutters to ensure that the ends of the sling cutters can only cover the fish body in all directions, so as to further ensure the descaling effect.

[0019] (3) The fish pre-processing machine of the present invention, which is adapted to the fish body, can wash and recycle fish scales, viscera and other waste generated during operation in a timely manner by setting up a cleaning device and a collection tank, so as to ensure the cleanliness of the fish body and the equipment working environment. At the same time, the visceration support plate is used as a partition plate to isolate the electrical components from the washing area, realize the dry and wet separation, and effectively extend the service life of the electrical components. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall structure of a fish primary processing machine that adapts to the fish body according to the present invention. Figure 2 This is a schematic diagram of the internal structure of a fish pre-processing machine that adapts to the fish body according to the present invention. Figure 3 This is a schematic diagram of the descaling device in this invention; Figure 4 This is a schematic diagram of the scaling mechanism in this invention; Figure 5 This is a schematic diagram of the viscera removal device in this invention; Figure 6 This is a schematic diagram of the cleaning device in this invention; Figure 7 This is a schematic diagram of the assembly between the viscera removal device and the cleaning device in this invention; Figure 8 This is a schematic diagram of the conveying device in this invention; Figure 9 This is a schematic diagram of the conveying device after the adjustment mechanism has been removed in this invention; Figure 10 This is a schematic diagram of the assembly between the conveying drive mechanism and the transmission mechanism in this invention; Figure 11 This is a schematic diagram of the adjustment mechanism in this invention.

[0021] In the picture: 100. Shell; 110. Inlet; 120. Collection tank; 200. Descaling device; 210. Descaling support plate; 220. Descaling connecting shaft; 230. Scaling mechanism; 231. Mounting plate; 232. Throwing knife; 233. Connecting rod; 234. Isolation seat; 240. Descaling drive mechanism; 241. Transmission gear; 242. Descaling motor; 300. Internal organ removal device; 310. Internal organ removal support plate; 320. Internal organ removal connecting shaft; 330. Blade; 340. Brush; 350. Internal organ removal drive mechanism; 351. Internal organ removal motor; 352. Pulley assembly; 400. Conveying device; 410. Conveyor belt; 411. Conveying channel; 412. Conveying section; 413. Return section; 420. Transmission mechanism; 421. Conveyor pulley; 422. Transmission support plate; 423. Conveyor connecting shaft; 430. Conveying drive mechanism; 431. Gear disk; 432. Drive source; 433. Coupling; 434. Mounting base; 440. Adjustment mechanism; 441. Adjusting roller; 442. Elastic element; 443. Adjusting support plate; 444. Rotating bracket; 445. Adjusting shaft.

[0022] 500. Cleaning device; 510. Water pump; 520. Delivery pipeline; 530. Branch pipeline. Detailed Implementation

[0023] To further understand the content of this invention, a detailed description of the invention will be provided in conjunction with the accompanying drawings.

[0024] In the description of this invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing the invention and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0025] As mentioned in the background section, existing automatic fish-killing equipment typically employs two methods to enable the descaling device to be applicable to fish of different sizes: Method one, such as the patent CN110353025A, involves adding an extra adjustment structure to the descaling roller. This not only fails to save costs, but also prevents real-time dynamic fine-tuning according to the fish's contours during operation, resulting in inconsistent contact between the brush and different parts of the fish, thus affecting the overall descaling effect.

[0026] Method two involves directly using a soft-bristled brush for descaling. The brush's own deformation adapts to the fish's contours, allowing for real-time dynamic adjustments. However, due to the insufficient rigidity of the soft bristles and weak cutting / scraping force, incomplete descaling and excessive scale residue are common problems. Furthermore, the densely packed bristles of soft brushes can easily trap fish scale debris, making cleaning difficult. Long-term use can also lead to bristle flattening, shedding, and aging.

[0027] To address the aforementioned shortcomings, this invention aims to provide a fish pre-processing machine that adapts to the fish body. During the descaling process, it can not only achieve high-intensity descaling but also dynamically adapt to the fish body contour without the need for additional adjustment structures.

[0028] The present invention will be further described below with reference to specific embodiments.

[0029] like Figure 1 , Figure 2 As shown, this embodiment of a fish primary processing machine for adapting to fish body includes a shell 100 and a descaling device 200, a conveying device 400, and a viscera removal device 300 disposed within the shell 100. The shell 100 has an inlet 110 and an outlet (not shown in the figure) on opposite side walls.

[0030] Specifically, the descaling device 200 is located at the end of the feed inlet 110 and is used to descale the fish carcasses conveyed from the feed inlet 110. The conveying device 400 is located between the descaling device 200 and the discharge outlet and is used to convey the descaled fish carcasses. The eviscerating device 300 is located on the conveying path of the conveying device 400 and is used to open the abdomen and remove the viscera of the fish carcasses during the conveying process; the fish carcasses after evisceration continue to be conveyed to the discharge outlet via the conveying device 400.

[0031] It is worth mentioning that the conveying device 400 and the evisceration device 300 in this embodiment can adopt existing technologies, and are not specifically limited here. The following focuses on the specific structure of the descaling device 200 in this embodiment.

[0032] refer to Figure 3 As shown, in this embodiment, the descaling device 200 includes a descaling support plate 210 and a pair of descaling connecting shafts 220 disposed on the descaling support plate 210. The descaling connecting shafts 220 are vertically arranged, and the two descaling connecting shafts 220 are arranged parallel to each other, forming a channel for the fish to pass through.

[0033] Furthermore, the descaling connecting shaft 220 is located in the area below the descaling support plate 210, and a plurality of scraping mechanisms 230 are provided at intervals along its axial direction. The scraping mechanism 230 includes a plurality of blades 232 arranged in a ring, and one end of the blade 232 is rotatably connected to the descaling connecting shaft 220, while the other end serves as the scraping operation end.

[0034] During operation, the descaling connecting shaft 220 rotates, and the slinger 232 can unfold outward under the action of centrifugal force. It can swing flexibly to make way when squeezed by the fish body, automatically adjust the working radius, and dynamically adapt to the shape and curvature of fish of different sizes.

[0035] This embodiment of a fish pre-processing machine that adapts to the fish body abandons the traditional additional drive structure and brush structure, and instead uses a dynamic flexible adaptive structure of a swing blade 232. On the one hand, the flexible structure of the swing blade 232 can swing and adjust in real time to follow the shape of the fish body, perfectly adapting to fish of different body shapes and different curved contours, solving the problem that traditional scale scraping devices require additional adjustment structures and cannot dynamically fit. On the other hand, the shearing and impact action of the swing blade 232 provides sufficient scraping force, which can effectively solve the drawbacks of insufficient rigidity of soft brushes and large amount of fish scale residue. In addition, the flow guided by the swing blade (232) allows fish scale debris to be discharged smoothly, thereby helping to extend the continuous operation time of the equipment.

[0036] like Figure 4 As shown, in some embodiments, the scaling mechanism 230 further includes a plurality of mounting discs 231 fixedly sleeved along the axial direction of the descaling connecting shaft 220, and a plurality of connecting rods 233 arranged in a ring shape in the area between two adjacent mounting discs 231. An isolation seat 234 is provided on the connecting rod 233, and a swivel blade 232 is provided at each of the upper and lower ends of the isolation seat 234. The swivel blade 232 is rotatably sleeved on the connecting rod 233 through the mounting hole thereon.

[0037] In other words, in this embodiment, there are two sets of upper and lower blades 232 in the area between every two mounting discs 231.

[0038] In this embodiment, the mounting plates 231 are used, and the swivel blades 232 are positioned in the area between the two mounting plates 231. On the one hand, this effectively prevents interference between the axial swivel blades 232. On the other hand, it effectively increases the number of swivel blades 232 to ensure that the ends of the swivel blades 232 can fully cover the fish body, thereby further ensuring the descaling effect.

[0039] Furthermore, the blades 232 of the upper and lower sets of scaling mechanisms 230 are arranged in a staggered ring to further increase the coverage density on the fish surface, reduce blind spots in scaling, and ensure thorough scaling.

[0040] In some embodiments, the spade 232 may be made of rust-proof metal to improve its structural strength and corrosion resistance, thereby extending its service life. Additionally, the spade 232 has several serrated cutting edges on its scraping end to further enhance its ability to scrape fish scales.

[0041] like Figure 3 As shown, the fish primary processing machine of this embodiment, which adapts to the fish body, further includes a descaling device 200 that drives two descaling connecting shafts 220 to rotate in opposite directions.

[0042] Specifically, the descaling drive mechanism 240 includes a pair of meshing transmission gears 241, the two transmission gears 241 are respectively connected to two descaling connecting shafts 220, and one of the descaling connecting shafts 220 is connected to a descaling motor 242.

[0043] like Figure 5 As shown in this embodiment, as a specific implementation of the viscera removal device 300, the viscera removal device 300 includes a viscera removal support plate 310 and a pair of viscera removal connecting shafts 320 disposed on the viscera removal support plate 310. A blade 330 and a brush 340 are respectively connected to the two viscera removal connecting shafts 320, and the blade 330 is located behind the brush 340 along the conveying direction of the conveying device 400.

[0044] In other words, during the transport process, the fish is first opened from below by the blade 330; then the brush 340 enters the fish's abdomen to remove the internal organs.

[0045] It is also worth mentioning that, to ensure that the blade 330 and the brush 340 do not interfere with each other, they should be placed as close as possible to ensure that the brush 340 can smoothly enter the fish's belly along the wound made by the blade 330, and complete the subsequent internal organ removal operation.

[0046] Specifically, in this embodiment, both the blade 330 and the brush 340 are disc-shaped, and their rotation directions are opposite to the conveying direction of the conveying device 400. Furthermore, the viscera removal device 300 also includes a viscera removal drive mechanism 350 for driving the blade 330 and brush 340 to rotate.

[0047] As a specific embodiment of the viscera removal drive mechanism 350, it includes a viscera removal motor 351, which is connected to one of the viscera removal connecting shafts 320 via a pulley assembly 352, and the two viscera removal connecting shafts 320 are also connected by a pulley assembly 352 to achieve power transmission.

[0048] like Figure 2 , Figure 6As shown in the figure, in this embodiment of a fish primary processing machine that adapts to the fish body, a cleaning device 500 is also provided inside the housing 100. The cleaning device 500 includes a water pump 510 and a conveying pipe 520 connected to the outlet end of the water pump 510.

[0049] The conveying pipe 520 is connected to at least three branch pipes 530, which extend to the workstations of the descaling device 200, the blade 330, and the brush 340, respectively, for timely rinsing of waste such as fish scales, blood, and internal organs generated at the corresponding workstations.

[0050] Meanwhile, a collection tank 120 is also provided inside the housing 100. The collection tank 120 is located entirely below the visceration removal device 300 and covers at least the area where the branch pipe 530 is located. It is used to centrally collect the flushed sewage and waste.

[0051] Furthermore, such as Figure 7 As shown, the collection tank 120, blade 330, brush 340 and branch pipe 530 are located on the same side of the viscera removal support plate 310; while the water pump 510 and viscera removal motor 351 are located on the other side of the viscera removal support plate 310.

[0052] In this embodiment, the cleaning device 500 and the collection tank 120 can promptly rinse and recycle fish scales, viscera, and other waste generated during the operation, ensuring the cleanliness of the fish and the equipment's working environment. Simultaneously, the visceration support plate 310 acts as a partition, isolating electrical components from the rinsing area and achieving dry and wet separation, effectively extending the service life of electrical components.

[0053] In addition, traditional conveying devices 400 typically have fixed conveyor rollers, making it impossible to adjust the conveying pressure and resulting in poor conveying stability. Especially in areas far from the conveyor rollers, the fish are prone to slippage and displacement due to the weaker clamping force, thus affecting the normal conveying of the fish.

[0054] Of course, there are also some conveying devices 400 with adjustment functions in the prior art. For example, CN110353025A mentioned in the background art. In this application, by installing a clamping force control device at both ends of all conveyor belt shafts to adapt to the clamping and conveying of fish with a certain body width, the conveying clamping force on the fish can be effectively maintained.

[0055] However, in actual use, it was found that because all conveyor belt shafts in this structure are connected to corresponding clamping force control devices, the tension of the conveyor belt is maintained by all the conveyor belt shafts. When one or more conveyor belt shafts are squeezed outward by the fish, the tension balance of the conveyor belt is broken, resulting in the conveyor belt being in an excessively slack state, or even falling off, thus affecting the normal transport of the fish.

[0056] In addition, under this structure, separate clamping force control devices are used on both sides of the fish body, making it difficult to ensure good balance of the adjustment pressure on both sides of the fish body. This makes it easy for the fish body to deviate from the conveying center during the conveying process. When the fish body deviates from the conveying center, it cannot cooperate well with the blade 330 located in the conveying center to open the abdomen.

[0057] Therefore, in this embodiment, the structure of the conveying device 400 is further optimized to overcome the above-mentioned defects.

[0058] Specifically, see, for example Figure 8 , Figure 9 , Figure 10 As shown, the conveying device 400 of this embodiment includes two sets of transmission mechanisms 420 arranged opposite to each other, one set of transmission mechanisms 420 being connected to a conveying drive mechanism 430. Each transmission mechanism 420 includes two conveyor pulleys 421, and conveyor belts 410 are fitted onto the corresponding conveyor pulleys 421 of the two sets of transmission mechanisms 420. Simultaneously, a conveying channel 411 is formed between the opposite sides of the two conveyor belts 410.

[0059] During operation, after the fish has been descaled in the previous process, it enters the conveying channel 411. The conveying drive mechanism 430 drives the conveyor pulley 421 of the transmission mechanism 420 to rotate, which in turn drives the conveyor belt 410 to rotate in a cycle. At this time, the fish in the conveying channel 411 is conveyed forward by the friction of the conveyor belts 410 on both sides, thus completing the fish posture fixation and continuous conveying and feeding operation.

[0060] For ease of description below, the transmission mechanism 420 connected to the conveyor drive mechanism 430 is defined as the main transmission mechanism, and the other transmission mechanism 420 is defined as the driven transmission mechanism. The side of the conveyor belt 410 located in the conveyor channel 411 is defined as the conveyor section 412, and the other side corresponding to the conveyor section 412 is defined as the return section 413.

[0061] It is easy to understand that the aforementioned conveying section 412 and return section 413 are not fixed, but switch back and forth as the conveyor belt 410 rotates. Meanwhile, the fish is actually conveyed forward through friction with the conveying section 412.

[0062] like Figure 8 As shown, in this embodiment, a number of sequentially arranged adjustment mechanisms 440 are provided between the main transmission mechanism and the slave transmission mechanism to adjust the conveying pressure of the conveying channel 411 on the fish.

[0063] Specifically, refer to Figure 11As shown, the adjusting mechanism 440 includes an adjusting roller 441 located between the conveying section 412 and the return section 413 of the conveyor belt, and the adjusting roller 441 is connected to an elastic element 442. Under the action of the elastic element 442, the adjusting roller 441 continuously provides tension to the conveying section 412 of the conveyor belt 410 toward the conveying channel 411.

[0064] In this embodiment, the adjustment mechanism 440 continuously provides tension to the conveyor belt 410 towards the conveying channel 411, thereby providing a stable clamping force for the fish and ensuring the stability of fish transport. Simultaneously, the two sets of transmission mechanisms 420 ensure that the conveyor belt 410 maintains a relatively stable operating state, effectively preventing the conveyor belt 410 from becoming excessively loose or even falling off due to the fish fully opening the adjustment mechanism 440, thus affecting the normal transport of the fish.

[0065] In other words, this embodiment employs a composite tensioning method combining a transmission mechanism 420 for fixed support and an adjustment mechanism 440 for elastic support. The fixed structure provides a basic tension force for the conveyor belt 410, while the elastic adjustment mechanism 440 applies a dynamically supplementary tension force on top of this, ensuring continuous and stable clamping of the fish and preventing the clamping force of the conveyor belt 410 from weakening in the middle section. Even if the adjustment mechanism 440 is squeezed outward by the fish, causing a slight slack in the conveyor belt 410, the fixed structure can still maintain the belt's basic tension, preventing excessive slack or slippage and ensuring the continuity and stability of the conveying process.

[0066] In some embodiments, the adjusting mechanism 440 includes two adjusting rollers 441 arranged opposite to each other, the two adjusting rollers 441 being located between the conveying section 412 and the return section 413 of the corresponding conveyor belt 410, and the two adjusting rollers 441 sharing a common elastic element 442.

[0067] In one specific embodiment of the adjustment mechanism 440, the adjustment mechanism 440 includes an adjustment support plate 443 and two rotating brackets 444, with adjustment rollers 441 disposed below the rotating brackets 444. One end of each rotating bracket 444 is rotatably mounted on the adjustment support plate 443, and both ends of an elastic element 442 (e.g., a spring) are located at the ends of the corresponding rotating brackets 444 furthest from them, so that the tension of the two adjustment rollers 441 can be adjusted using only one elastic element 442.

[0068] This embodiment of a fish pre-processing machine that adapts to the fish body further optimizes the structure of the adjustment mechanism 440, so that the two adjustment rollers 441 on the adjustment mechanism 440 can share a single elastic element 442. On the one hand, this simplifies the structure of the entire device and saves costs; on the other hand, it can further ensure the balance of force on both sides of the fish body, so as to prevent the fish body from shifting due to uneven force during transportation, thereby affecting the subsequent abdominal opening operation.

[0069] Furthermore, the adjustment mechanism 440 also includes an adjustment shaft 445, one end of which is connected to the rotating bracket 444 and the other end is connected to the adjustment roller 441, and the adjustment shaft 445 can rotate relative to the rotating bracket 444 along its own central axis.

[0070] Specifically, one end of the adjusting shaft 445 is rotatably connected to the adjusting support plate 443 via a bearing (e.g., a deep groove ball bearing), and the other end is fixedly fitted with an adjusting roller 441.

[0071] Alternatively, the adjusting shaft 445 and the adjusting support plate 443 can be fixedly connected, while the adjusting roller 441 and the adjusting shaft 445 can be rotatably connected. Or, the adjusting shaft 445, the adjusting support plate 443, and the adjusting roller 441 can all be rotatably connected.

[0072] In this embodiment, the adjusting roller 441 is rotatably mounted on the rotating bracket 444, so that the adjusting roller 441 can rotate synchronously with the conveyor belt 410 during operation, thereby reducing the resistance to the operation of the conveyor belt 410, reducing frictional loss, and helping to extend the service life of the device.

[0073] like Figure 10 As shown, in one specific embodiment of the transmission mechanism 420, the transmission mechanism 420 includes a transmission support plate 422 and a conveying connecting shaft 423. One end of the conveying connecting shaft 423 is connected to the transmission support plate 422, and the other end is connected to the conveyor pulley 421, which can rotate relative to the transmission support plate 422 along its own central axis.

[0074] Specifically, one end of the conveying connecting shaft 423 is rotatably connected to the transmission support plate 422 via a bearing, and the other end is fixedly fitted with a conveyor pulley 421.

[0075] Furthermore, as a specific embodiment of the conveying drive mechanism 430, the conveying drive mechanism 430 includes a pair of meshing gear disks 431. The two gear disks 431 are respectively connected to two conveying connecting shafts 423 of the main transmission mechanism, and one of the conveying connecting shafts 423 is connected to a drive source 432 to achieve the same speed and opposite rotation of the two conveying connecting shafts 423.

[0076] The drive source 432 can be a motor, and the motor is equipped with a mounting base 434.

[0077] Specifically, the free ends of the two conveying connecting shafts 423 of the main transmission mechanism extend to the top of the transmission support plate 422 and are fitted with a gear disk 431 via key pins. At the same time, the free end of one of the conveying connecting shafts 423 is connected to the output end of the drive source 432 via a coupling 433.

[0078] In summary, this embodiment of a fish pre-processing machine that adapts to different fish body shapes can better adapt to the adaptive processing of fish by means of the dynamic flexible adaptive structure of the sling cutter 232 and the composite tensioning structure of the conveying device 400.

[0079] The present invention and its embodiments have been described above illustratively. This description is not restrictive, and the figures shown are only one embodiment of the present invention; the actual structure is not limited thereto. Therefore, if those skilled in the art are inspired by this description and design similar structures and embodiments without departing from the spirit of the present invention, such designs should fall within the protection scope of the present invention.

Claims

1. A fish pre-processing machine that adapts to the fish body, comprising a shell (100) and a descaling device (200), a conveying device (400), and a visceration device (300) disposed within the shell (100); wherein, The descaling device (200) is used to descale the fish, and the conveying device (400) is used to carry the descaled fish and continue to convey the fish. The viscera removal device (300) is located on the conveying path of the conveying device (400) and is used to open the abdomen and remove the viscera of the fish conveyed by the conveying device (400). The descaling device (200) is characterized in that: the descaling support plate (210) includes a descaling support plate (210) and a pair of descaling connecting shafts (220) disposed on the descaling support plate (210), wherein the descaling connecting shafts (220) are provided with a plurality of scraping mechanisms (230) at intervals along their axial direction; The scaling mechanism (230) includes multiple blades (232) arranged in a ring. One end of each blade (232) is rotatably connected to the descaling connecting shaft (220), and the other end is the scaling operation end. When the descaling connecting shaft (220) rotates, the slinger (232) can unfold outward under the action of centrifugal force, and can swing flexibly to make way when squeezed by the fish body, automatically adjusting the working radius and dynamically adapting to the outer curved surface of fish of different sizes.

2. The fish primary processing machine with adaptive fish body according to claim 1, characterized in that: The scaling mechanism (230) further includes several mounting discs (231) axially sleeved along the descaling connecting shaft (220), and multiple connecting rods (233) are arranged in a ring in the area between two adjacent mounting discs (231). The connecting rod (233) is provided with an isolation seat (234), and each of the upper and lower ends of the isolation seat (234) is provided with a sling cutter (232). The sling cutter (232) is rotatably sleeved on the connecting rod (233) through the mounting hole on it.

3. The fish primary processing machine that adapts to the fish body according to claim 2, characterized in that: The aforementioned sling cutter (232) is made of rust-proof metal, and the sling cutter (232) has several serrated cutting edges on its scraping end.

4. A fish primary processing machine that adapts to the fish body shape according to any one of claims 1-3, characterized in that: The descaling device (200) further includes a descaling drive mechanism (240) that drives two descaling connecting shafts (220) to rotate in opposite directions. The descaling drive mechanism (240) includes a pair of meshing transmission gears (241), the two transmission gears (241) are respectively connected to two descaling connecting shafts (220), and one of the descaling connecting shafts (220) is connected to a descaling motor (242).

5. The fish primary processing machine for adaptive fish body as described in claim 1, characterized in that: The visceration removal device (300) includes a visceration removal support plate (310) and a pair of visceration removal connecting shafts (320) disposed on the visceration removal support plate (310). A blade (330) and a brush (340) are respectively connected to the two visceration removal connecting shafts (320); and along the conveying direction of the conveying device (400), the blade (330) is located behind the brush (340).

6. The fish primary processing machine for adaptive fish body as described in claim 5, characterized in that: The visceration removal device (300) further includes a visceration removal drive mechanism (350) for driving the blade (330) and brush (340) to rotate; wherein the blade (330) and brush (340) are both disc-shaped, and the rotation direction of the blade (330) and brush (340) is opposite to the conveying direction of the conveying device (400).

7. The fish primary processing machine for adaptive fish body as described in claim 6, characterized in that: The viscera removal drive mechanism (350) includes a viscera removal motor (351), which is connected to one of the viscera removal connecting shafts (320) via a pulley assembly (352), and the two viscera removal connecting shafts (320) are also connected via a pulley assembly (352) to transmit power.

8. The fish primary processing machine for adaptive fish body as described in claim 5, characterized in that: The housing (100) is also provided with a cleaning device (500), which includes a water pump (510) and a delivery pipe (520) connected to the outlet end of the water pump (510). The conveying pipe (520) is connected to at least three branch pipes (530), which extend to the workstations where the descaling device (200), blade (330) and brush (340) are located.

9. A fish primary processing machine that adapts to the fish body as described in claim 8, characterized in that: The housing (100) is provided with a collection trough (120), which is located entirely below the viscera removal device (300) and covers at least the area where the branch pipe (530) is located.

10. A fish primary processing machine for adaptive fish body as described in claim 9, characterized in that: The collection tank (120), blade (330), brush (340) and branch pipe (530) are located on the same side of the viscera removal support plate (310); the water pump (510) and viscera removal motor (351) are located on the other side of the viscera removal support plate (310).

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