Metal detector for fish processing

Abstract

The invention discloses a metal detector for fish processing, which relates to the technical field of fish processing and comprises a support and a turn-over detection device. According to the invention, the turn-over detection device is arranged, namely, a first conveying belt and a second conveying belt are respectively arranged in the connecting frames arranged at the two sides, so that fish meat can be conveyed to the upper end of the turn-over assembly, and when the turn-over assembly runs, a first turning plate and a second turning plate can be turned up at the same time, so that the fish meat can be turned up and driven; when the second turn-over face is turned down and reset, the fish meat can be turned over along with the second turn-over face, the metal detection face is adjusted, the fish meat metal detection effect is more efficient, the problem of detection omission is avoided, meanwhile, the turned fish meat can move to the upper end of the bearing base, and under transmission of a cam and a sliding block, the moving frame and the bearing base can move up and down oppositely or reversely in a linkage mode. The auxiliary detector is closer to fish meat, the detection effect is enhanced, and the movable frame can transversely reciprocate, so that the metal detection range of the auxiliary detector is expanded.

Description

Technical Field

[0001] The invention relates to the technical field of fish processing, in particular to a metal detector for fish processing. Background Art

[0002] In the modern food processing industry, frozen fish products have become popular products on the market due to their rich nutrition, easy preservation and transportation. However, metal impurities such as fish hooks, metal fragments, machine parts, etc. may be introduced during the fishing, processing, and packaging of fish. These metal impurities not only affect the quality and taste of the product, but may also pose a serious threat to consumers' health. Therefore, metal object detection and sorting are required before fish processing activities.

[0003] The existing application number CN218902742U is a metal detection device for fish meat processing and detection, which belongs to the field of fish meat detection. A metal detection device for fish meat processing and detection includes a detection table, both sides of the detection table are rotatably connected to rollers, a conveyor belt is transmission-connected between the two rollers, a detection probe is fixedly connected in the detection box, a cross plate is fixedly connected on the push plate, and a baffle is rotatably connected on the opposite side of the hydraulic press in the detection box, and the cross plate and the baffle intermittently abut against each other. The utility model determines the metal content of the fish meat transported to the detection box through detection by the detection probe. If the metal content exceeds the standard, the hydraulic press is operated by pressing the pressure-sensitive switch, and the push plate pushes the fish meat on the conveyor belt whose metal content exceeds the standard, and then the unqualified fish meat falls from the opening opened at the baffle to the outside of the detection box, and can be received at the position where the unqualified fish meat falls, while the qualified fish meat is conveyed along the conveyor belt.

[0004] The above-mentioned existing equipment can push and sort unqualified fish meat after scanning and inspecting the fish meat to prevent unqualified fish meat from entering the processing flow. However, the position of the detection probe is fixed, and the detection area for the fish meat is generally the upper surface. The detection performance of the lower surface of the fish meat is poor, resulting in omissions in metal detection. At the same time, the distance between the detection probe and the fish meat is relatively fixed, and there is an inaccurate recognition problem, which has a certain impact on the detection effect of metal inside the fish. Summary of the Invention

[0005] The object of the present invention is to provide a metal detector for fish processing to solve the problems raised in the above background technology.

[0006] In order to achieve the above-mentioned purpose, the present invention adopts the following technical solutions: a metal detector for fish processing, comprising a bracket, a conveyor is installed on the upper end of the bracket, a metal detector body is installed on the outer side of the upper end of the bracket, and the detection position of the bottom of the metal detector body is opposite to the upper end of the conveyor, a control panel is provided on the front side of the metal detector body, and also includes a flipping detection device arranged on the right side of the bracket, the flipping detection device includes a connecting frame, the connecting frame is connected to the two ends of the right side of the bracket, the first conveyor belt and the second conveyor belt are respectively installed inside the upper ends of the connecting frames on both sides, a flipping assembly is installed in the middle of the connecting frames on both sides, and a rising detection assembly is provided at the upper right ends of the connecting frames on both sides.

[0007] Preferably, the flip assembly includes a base, a connecting plate is fixedly provided on the upper end of the base, a first motor is installed on one side of the connecting plate, the output end of the first motor is connected to the active disk, the active disk is externally connected to a belt, and the upper end of the belt is transmission-connected to the driven disk.

[0008] Preferably, the outer ends of the driven disk are rotatably connected to the first connecting arm and the second connecting arm respectively. The first connecting arm and the second connecting arm are rotatably connected to the first flap and the second flap respectively at one end away from the driven disk. The middle part of the upper end of the first flap and the second flap is equipped with a rotating shaft, and the outer ends of the rotating shafts on both sides are connected to the connecting frame.

[0009] Preferably, the rising detection assembly includes a socket, which is placed between the right sides of the connecting plates on both sides, and connecting rod assemblies are docked on both sides of the outer ends of the socket, and the upper ends of the connecting rod assemblies on both sides are connected to the moving frame, and the moving frame is slidably installed inside the fixed frame, and the fixed frame is installed on the upper ends of the right sides of the connecting frames on both sides, and a slide is slidably installed inside the moving frame, a cam is provided inside the slide, and an auxiliary detector is docked at the bottom of the slide, a guide groove is opened at the lower end of the moving frame, the cam is connected to the output end of the second motor, and the second motor is installed in the middle of the mounting plate, and the mounting plate is bolted to the outside of the fixed frame.

[0010] Preferably, the connecting rod assembly includes a docking block, which is fixed on both sides of the upper end of the movable frame, and the front and rear sides of the docking block are symmetrically arranged. A first connecting rod is rotatably installed between the docking blocks on both sides, the upper end of the first connecting rod is connected to the swing arm, and the two sides of the middle part of the swing arm are connected to the fixed plate, and the lower end sides of the fixed plate on both sides are fixedly connected to the fixed frame, the side of the swing arm away from the first connecting rod is connected to the second connecting rod, and the lower end of the second connecting rod is connected to the docking plate, and the docking plate is fixedly connected to the receiving seat at one end away from the second connecting rod.

[0011] Preferably, the connecting plates are symmetrically arranged front to back along the upper end of the base, and a limiting stop block is provided between the upper ends of the connecting plates on both sides, and the top of the limiting stop block is limitedly docked with the driven disk.

[0012] Preferably, the first connecting arm and the second connecting arm are rotatably connected along the rear side and the front side of the driven disk respectively, and the length of the first connecting arm is shorter than the length of the second connecting arm.

[0013] Preferably, the upper ends of the first flap and the second flap are both provided with chamfers, and the sides of the upper ends of the first flap and the second flap are both integrally fixed with horizontal bar ends.

[0014] Preferably, the movable frame is vertically limited and slidably mounted inside the fixed frame, and an auxiliary detector is embedded in a guide groove provided at the bottom of the movable frame.

[0015] Preferably, the connecting rod assemblies are symmetrically arranged along both sides of the fixing frame, and the upper ends of the first connecting rods on both sides pass through both sides of the upper end of the fixing frame.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] The present invention is provided with a flipping detection device, that is, the first conveyor belt and the second conveyor belt are respectively arranged inside the connecting frames provided on both sides, so that the fish meat can be transported to the upper end of the flipping assembly. When the flipping assembly is running, the first flip plate and the second flip plate can be flipped up at the same time to realize the upward flipping of the fish meat. When the second flip plate is flipped down and reset, the fish meat can be flipped over accordingly to adjust the metal detection surface, so that the metal detection effect of the fish meat is more efficient and the problem of missed detection is avoided. At the same time, the turned fish meat can be moved to the upper end of the receiving seat, and under the transmission of the cam and the slider, the movable frame and the receiving seat can be linked to realize the relative or opposite movement up and down, so that the auxiliary detector is closer to the fish meat, thereby enhancing the detection effect. In addition, the movable frame can move back and forth laterally to expand its metal detection range.

[0018] The setting of the flipping assembly, that is, when the active disk rotates with the first motor, it can cooperate with the belt connected to the external phase transmission to realize the synchronous rotation of the driven disk arranged at the upper end. As the driven disk rotates, the push-pull effect of the first connecting arm and the second connecting arm on both sides of the outer end can be realized. In this way, the first flip plate and the second flip plate correspondingly connected to the other side of the first connecting arm and the second connecting arm can realize the upward flipping of the fish meat, so that it can adjust its metal detection surface with the downward flipping reset effect of the second flip plate, so that the metal detection effect of the fish meat is better, and the occurrence of metal detection omission problems can be avoided.

[0019] The setting of the limit block is to avoid the problem of rotational transmission slippage of the driven disk when the driving disk, belt and driven disk are transmitting. Limit blocks are also installed on the upper ends of the connecting plates on both sides to connect with the bottom of the driven disk to ensure the stability of its rotational transmission state.

[0020] The setting of the rising detection component, that is, the cam runs with the second motor and can rotate to drive the slider inside the moving frame. In this way, the slider can not only move horizontally along the inside of the moving frame, but also realize the up and down movement of the moving frame. Therefore, when the slider is in a horizontal reciprocating state, the auxiliary detector docked at the bottom of the slider can perform large-scale metal detection on the fish meat received by the upper end of the receiving seat, thereby enhancing its metal detection effect.

[0021] The arrangement of the movable frame and the connecting rod assembly, that is, when the movable frame is moved up and down reciprocatingly through the transmission of the cam and the slider, the up and down movement of the docking blocks provided on both sides of the upper end can be realized synchronously, thereby, the first connecting rod connected between the docking blocks on both sides can realize the pulling of the swing arm connected at the bottom, so that the swing arm swings back and forth, and the second connecting rod docked at the other end of the swing arm can realize the synchronous up and down pulling of the docking plates provided on the left and right sides of the lower end of the receiving seat, thereby, the receiving seat can lift the fish meat accordingly, thereby, the movable frame and the receiving seat can be linked to realize relative or opposite movement up and down, so as to bring the fish meat closer to the auxiliary detector, making the metal detection effect more efficient and more accurate. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a structural schematic diagram of the present invention;

[0023] Figure 2 This is a schematic diagram of the three-dimensional structure of the flip detection device of the present invention;

[0024] Figure 3 This is a schematic diagram of the three-dimensional structure of the flip assembly of the present invention;

[0025] Figure 4 This is a schematic diagram of the split structure of the three-dimensional part of the flip assembly of the present invention;

[0026] Figure 5 This is a schematic diagram of the three-dimensional structure of the rising detection assembly of the present invention;

[0027] Figure 6 This is a schematic diagram of the three-dimensional operation structure of the rising detection component of the present invention;

[0028] Figure 7 It is a schematic diagram of the three-dimensional structure of the connecting rod assembly of the present invention.

[0029] Figure: Bracket 1, Conveyor 2, Metal Detector Body 3, Control Panel 4, Flip Detection Device 5, Connecting Frame 51, First Conveyor Belt 52, Second Conveyor Belt 53, Flip Assembly 54, Base 541, Connecting Plate 542, First Motor 543, Active Disc 544, Belt 545, Driven Disc 546, First Connecting Arm 547, Second Connecting Arm 548, First Flip Plate 549, Second Flip Plate 5410, Rotating Shaft 5 411, limit stop block 5412, rising detection assembly 55, receiving seat 551, connecting rod assembly 552, docking block 5521, first connecting rod 5522, swing arm 5523, fixing plate 5524, second connecting rod 5525, docking plate 5526, moving frame 553, fixing frame 554, slide plate 555, cam 556, auxiliary detector 557, guide groove 558, second motor 559, mounting plate 5510. DETAILED DESCRIPTION

[0030] In order to further explain the technical solution of the present invention, specific embodiments are described in detail below.

[0031] See also Figure 1 The present invention provides a metal detector for fish processing, including a bracket 1, a conveyor 2 is installed on the upper end of the bracket 1, a metal detector body 3 is installed on the outer side of the upper end of the bracket 1, and the detection position of the bottom of the metal detector body 3 is opposite to the upper end of the conveyor 2, a control panel 4 is provided on the front side of the metal detector body 3, and also includes a flip detection device 5 arranged on the right side of the bracket 1.

[0032] Specifically, when metal detection activities are to be carried out between fish processing, the fish meat can be placed on the conveyor 2 which is in operation to realize the transportation of the fish meat. However, when it is transported to the lower end of the metal detector body 3 which is in operation, the metal substances inside the fish meat can be quickly obtained through scanning and detection by the metal detector body 3, and displayed and marked on the control panel 4, providing data support for the subsequent sorting of unqualified fish meat, thereby intelligently realizing metal detection activities between fish processing.

[0033] See also Figure 2 The turning over detection device 5 in this embodiment includes a connecting frame 51, which is connected to the two ends of the right side of the bracket 1, and there is a distance between the connecting frames 51 on both sides. The first conveyor belt 52 and the second conveyor belt 53 are respectively installed inside the upper ends of the connecting frames 51 on both sides, and there is a distance between the first conveyor belt 52 and the second conveyor belt 53 to meet the subsequent turning over metal detection of fish meat. A turning over assembly 54 is installed in the middle of the connecting frames 51 on both sides, and a rising detection assembly 55 is provided at the upper right end of the connecting frames 51 on both sides.

[0034] See also Figure 3-Figure 4The flip assembly 54 in this embodiment includes a base 541, a connecting plate 542 is fixedly provided on the upper end of the base 541, a first motor 543 is installed on the outer end of the front connecting plate 542, the output end of the first motor 543 is connected to the active disk 544, and the active disk 544 is located inside the upper end of the connecting plate 542, the outer end of the active disk 544 is connected to a belt 545, and the upper end of the belt 545 is connected to the driven disk 546 for transmission, and the outer ends of the driven disk 546 are respectively connected to the first connecting arms 547 for rotation. The first connecting arm 547 and the second connecting arm 548 are rotatably connected to the first flap 549 and the second flap 5410 at one end away from the driven disk 546, so as to realize the reciprocating push-pull state. The first flap 549 and the second flap 5410 are both equipped with a rotating shaft 5411 in the middle of the upper end, and the outer ends of the rotating shafts 5411 on both sides are connected to the connecting frame 51, so as to ensure the stability of the relative or opposite flipping process of the first flap 549 and the second flap 5410.

[0035] Among them, the connecting plates 542 are symmetrically arranged along the front and back of the upper end of the base 541, and a limiting stop block 5412 is provided between the upper ends of the connecting plates 542 on both sides, and the top of the limiting stop block 5412 is limitedly docked with the driven disk 546, that is, the connecting plates 542 on both sides can be pressed against the driven disk 546 through the limiting stop block 5412 provided between the upper ends, so that when the driven disk 546 is connected and combined with the active disk 544 through the belt 545, it can be in a stable rotation transmission state, thereby avoiding the occurrence of slippage problems.

[0036] Among them, the first connecting arm 547 and the second connecting arm 548 are respectively rotatably connected along the rear side and the front side of the driven disk 546, and the length of the first connecting arm 547 is shorter than the length of the second connecting arm 548, that is, the different lengths of the first connecting arm 547 and the second connecting arm 548 can ensure the stable realization of the subsequent push-pull flipping effect; the first flap 549 and the second flap 5410 are installed in opposite directions to the left and right, and the upper ends of the first flap 549 and the second flap 5410 are both provided with chamfers, and the upper end sides of the first flap 549 and the second flap 5410 are both integrally fixed with horizontal bar ends. In this way, the fish flipping effect can be improved by cooperating with the chamfers provided at the upper ends of the first flap 549 and the second flap 5410, and the horizontal bar ends provided on the sides of the first flap 549 and the second flap 5410 can improve the contact stability with the fish, ensure the stability of the fish flipping process, and reduce the occurrence of flipping slippage problems.

[0037] Specifically, after the fish meat has completed the metal detection activity on the upper surface through the metal detector body 3, it can be transported by the conveyor 2 to the upper left end of the connecting frame 51, and the fish meat can be pre-transmitted to the upper end of the first flap 549 under the synchronous transportation of the first conveyor belt 52 and the second conveyor belt 53 installed in the upper end of the connecting frame 51. At this time, the first conveyor belt 52 and the second conveyor belt 53 stop transmitting, and the first motor 543 connected to the outer end of the connecting plate 542 on one side will run to realize the rotation of the active disk 544 connected to the output end. The rotating active disk 544 can realize the synchronous rotation of the driven disk 546 connected to the top through the belt 545 connected to the external transmission. At the same time, in order to prevent the driven disk 546 from slipping in the rotating state, a limit block 5412 is set inside the upper end of the connecting frame 51 to stop the bottom limit of the driven disk 546 to ensure a stable rotation state. As a result, the driven disk 546 in the rotating state can simultaneously realize the rotation of the first connecting arm 547 and the second connecting arm 548 on both sides of the outer end, so that the first connecting arm 547 can rotate and drive the second connecting arm 548 to rotate and drive the first connecting arm 547 ... 47 and the second connecting arm 548 realize the reciprocating push and pull of the first flap 549 and the second flap 5410 corresponding to the other side, that is, the flipping of the first flap 549 and the second flap 5410 is realized. In this way, when the fish meat is transferred to the upper end of the first flap 549, the flipping effect of the first flap 549 and the second flap 5410 can be used to pre-clamp the fish meat and flip it up, so that the fish meat slides to the chamfered corner of the upper end of the second flap 5410. At the same time, the lateral horizontal ends of the first flap 549 and the second flap 5410 can be used to improve the flipping stability. When the fish meat slides to the chamfered corner at the upper end of the second flap 5410 and flips down with the second flap 5410, the fish meat will complete the flipping activity. Moreover, through the flipping effect of the second flap 5410, it can re-contact the outside of the first conveyor belt 52 and the second conveyor belt 53, and through the re-operation of the first conveyor belt 52 and the second conveyor belt 53, it will be transferred to the position of the rising detection component 55 to perform metal detection on the lower surface. In this way, the full detection of the metal situation inside the fish meat can be improved, the problem of missed detection can be reduced, and the subsequent fish processing quality can be improved.

[0038] See also Figure 5-Figure 7The lifting detection assembly 55 in this embodiment includes a receiving seat 551, which is placed between the right sides of the connecting plates 542 on both sides, and the supporting size of the upper end of the receiving seat 551 matches the distance between the first conveyor belt 52 and the second conveyor belt 53 to ensure that the receiving seat 551 can be in a stuck and moved up and down state. The left and right sides of the outer end of the receiving seat 551 are connected to the connecting rod assemblies 552, and the connecting rod assemblies 552 on both sides are connected to the left and right sides of the upper end of the moving frame 553. The moving frame 553 is limited and slidably installed inside the fixed frame 554, and the fixed frame 554 Installed on the upper right end of the connecting frames 51 on both sides, a slide plate 555 is slidably installed inside the movable frame 553, and the slide plate 555 can slide back and forth laterally along the middle of the movable frame 553. A cam 556 is embedded in the slide plate 555, and an auxiliary detector 557 is docked at the bottom of the slide plate 555. A guide groove 558 for transverse guiding cooperation is provided at the lower end of the movable frame 553. The cam 556 is connected to the output end of the second motor 559, and the second motor 559 is installed in the middle of the rear side of the mounting plate 5510. The mounting plate 5510 is bolted to the rear side of the fixed frame 554.

[0039] The connecting rod assembly 552 includes a docking block 5521, which is fixedly connected to the left and right sides of the upper end of the moving frame 553, and the docking blocks 5521 on the left and right sides are symmetrically arranged on the front and back sides. A first connecting rod 5522 is rotatably installed between the docking blocks 5521 on both sides. The upper end of the first connecting rod 5522 is rotatably connected to the swing arm 5523, and the front and back sides of the middle part of the swing arm 5523 are rotatably connected to the fixed plate 5524, and the lower ends of the fixed plates 5524 on both sides are rotatably connected to the fixed frame 55 The four phases are fixedly connected to achieve stable fixed support cooperation. The swing arm 5523 is rotatably connected to the second link 5525 on the side away from the first link 5522, and the lower end of the second link 5525 is rotatably connected to the docking plate 5526. The docking plate 5526 is fixedly connected to the receiving seat 551 at one end away from the second link 5525, and the docking plate 5526 extends to the outside of the connecting frame 51 away from one end of the receiving seat 551, and the docking plate 5526 can move vertically up and down along the lower end of the connecting frame 51.

[0040] Among them, the movable frame 553 is vertically limited and slidably installed inside the fixed frame 554, and the auxiliary detector 557 is embedded in the guide groove 558 opened at the bottom of the movable frame 553, ensuring that when the movable frame 553 is guided and moved by the guide groove 558, the auxiliary detector 557 can be synchronously realized to move back and forth horizontally, so as to improve the scanning detection range of metal materials; the connecting rod assembly 552 is symmetrically arranged along both sides of the fixed frame 554, and the upper ends of the first connecting rods 5522 on both sides pass through both sides of the upper end of the fixed frame 554, ensuring that the first connecting rods 5522 on both sides can move up and down with the movable frame 553 to realize stable up and down push-pull transmission activities.

[0041] Specifically, when the fish meat is turned over and is transported to the upper end of the receiving seat 551 again along the first conveyor belt 52 and the second conveyor belt 53, the auxiliary detector 557 connected to the lower end of the slide 555 can be used to detect metal on the other side of the fish meat, thereby improving the metal detection effect of the fish meat as a whole.

[0042] In order to improve the detection accuracy, the second motor 559 provided in the middle of the rear side of the mounting plate 5510 can be operated to make the second motor 559 realize the rotation of the cam 556 connected to the output end. When the cam 556 rotates, the slide plate 555 connected to the outside can be driven to slide along the inside of the moving frame 553. At the same time, the auxiliary detector 557 connected to the bottom can be driven synchronously. Moreover, when the slide plate 555 moves with the rotation of the cam 556, the moving frame 553 can also be moved up and down, so that the moving frame 553 can move stably up and down along the inside of the fixed frame 554. In this way, when the moving frame 553 is in a downward moving state, the docking blocks 5521 provided on both sides of the upper end can be pulled down synchronously, and when the docking blocks 5521 on both sides move down, the first connecting rod 5522 is pulled. In this way, the first connecting rod 5522 will pull down the swing arm 5523 connected to the upper end, so that the swing arm 55 23 cooperates with the docking of the fixed plates 5524 provided on both sides of the outer end to pull up the second connecting rod 5525 docked on the other side. In this way, through the pulling-up effect of the second connecting rod 5525, the docking plates 5526 docked at the lower end of the second connecting rod 5525 and connected to the left and right sides of the lower end of the receiving seat 551 can realize the pulling-up of the receiving seat 551 as a whole, so that the receiving seat 551 supports the fish meat on the top to push up the fish meat. Therefore, with the downward movement of the movable frame 553 and the linkage cooperation of the receiving seat 551, the auxiliary detector 557 can be brought closer to the fish meat to be detected, thereby improving the accuracy of metal detection, and through the lateral movement driving effect of the slide plate 555, the auxiliary detector 557 can also be moved back and forth laterally to expand the detection range, and then, the metal detection of the turned fish meat can be efficiently assisted and the detection interval and detection range can be flexibly adjusted.

[0043] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments or to substitute equivalents for some of the technical features. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A metal detector for fish processing, comprising a bracket (1), a conveyor (2) being mounted on the upper end of the bracket (1), a metal detector body (3) being mounted on the outer side of the upper end of the bracket (1), and a detection position of the bottom of the metal detector body (3) being opposite to the upper end of the conveyor (2), and a control panel (4) being mounted on the front side of the metal detector body (3); Its characteristics are: The invention also includes a flip detection device (5) arranged on the right side of the bracket (1), the flip detection device (5) includes a connecting frame (51), the connecting frame (51) is connected to the two ends of the right side of the bracket (1), the upper ends of the connecting frames (51) on both sides are respectively equipped with a first conveyor belt (52) and a second conveyor belt (53), the middle parts of the connecting frames (51) on both sides are equipped with a flip assembly (54), and the upper ends of the right sides of the connecting frames (51) on both sides are provided with a rising detection assembly (55).

2. The metal detector for fish processing according to claim 1, characterized in that: The flip assembly (54) includes a base (541), a connecting plate (542) is fixedly provided at the upper end of the base (541), a first motor (543) is mounted on one side of the connecting plate (542), an output end of the first motor (543) is connected to a driving disk (544), an external transmission connection of the driving disk (544) is provided with a belt (545), and an upper end of the belt (545) is transmission-connected to a driven disk (546).

3. The metal detector for fish processing according to claim 2, characterized in that: The outer ends of the driven disk (546) are rotatably connected to the first connecting arm (547) and the second connecting arm (548), respectively. The ends of the first connecting arm (547) and the second connecting arm (548) away from the driven disk (546) are rotatably connected to the first flap (549) and the second flap (5410), respectively. The middle parts of the upper ends of the first flap (549) and the second flap (5410) are both equipped with rotating shafts (5411), and the outer ends of the rotating shafts (5411) on both sides are connected to the connecting frame (51).

4. The metal detector for fish processing according to claim 2, characterized in that: The rising detection assembly (55) includes a receiving seat (551), the receiving seat (551) is placed between the right sides of the connecting plates (542) on both sides, and the outer ends of the receiving seat (551) are connected to the connecting rod assemblies (552) on both sides. The upper ends of the connecting rod assemblies (552) on both sides are connected to the moving frame (553), and the moving frame (553) is slidably installed inside the fixed frame (554), and the fixed frame (554) is installed on the upper ends of the right sides of the connecting frames (51) on both sides. A slide plate (555) is slidably mounted inside the frame (553), a cam (556) is provided inside the slide plate (555), and an auxiliary detector (557) is docked at the bottom of the slide plate (555), a guide groove (558) is provided at the lower end of the movable frame (553), the cam (556) is connected to the output end of the second motor (559), and the second motor (559) is mounted in the middle of the mounting plate (5510), and the mounting plate (5510) is bolted to the outside of the fixing frame (554).

5. The metal detector for fish processing according to claim 4, characterized in that: The connecting rod assembly (552) includes a docking block (5521), which is fixed on both sides of the upper end of the movable frame (553), and the front and rear sides of the docking block (5521) are symmetrically arranged. A first connecting rod (5522) is rotatably installed between the docking blocks (5521) on both sides. The upper end of the first connecting rod (5522) is connected to the swing arm (5523), and the two sides of the middle part of the swing arm (5523) are connected to the fixed plate (5524), and the lower end side edges of the fixed plate (5524) on both sides are fixedly connected to the fixed frame (554). The side of the swing arm (5523) away from the first connecting rod (5522) is connected to the second connecting rod (5525), and the lower end of the second connecting rod (5525) is connected to the docking plate (5526). The end of the docking plate (5526) away from the second connecting rod (5525) is fixedly connected to the receiving seat (551).

6. The metal detector for fish processing according to claim 2, characterized in that: The connecting plates (542) are symmetrically arranged along the front and rear ends of the upper ends of the base (541), and a limiting stopper (5412) is provided between the upper ends of the connecting plates (542) on both sides, and the top of the limiting stopper (5412) is limitedly docked with the driven disk (546).

7. The metal detector for fish processing according to claim 3, characterized in that: The first connecting arm (547) and the second connecting arm (548) are rotatably connected along the rear side and the front side of the driven disk (546), respectively, and the length of the first connecting arm (547) is shorter than the length of the second connecting arm (548).

8. The metal detector for fish processing according to claim 3, characterized in that: The upper ends of the first flap (549) and the second flap (5410) are both provided with chamfers, and the upper side edges of the first flap (549) and the second flap (5410) are both integrally fixed with horizontal bar ends.

9. The metal detector for fish processing according to claim 4, characterized in that: The movable frame (553) is vertically limited and slidably mounted inside the fixed frame (554), and an auxiliary detector (557) is embedded inside the guide groove (558) provided at the bottom of the movable frame (553).

10. The metal detector for fish processing according to claim 5, characterized in that: The connecting rod assembly (552) is symmetrically arranged along both sides of the fixing frame (554), and the upper ends of the first connecting rods (5522) on both sides pass through both sides of the upper end of the fixing frame (554).

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