Fish vaccine injection machine

Abstract

The utility model discloses a fish vaccine injection machine which comprises a fish storage tank, a guide channel, an injection bin, an injection assembly and a fixing assembly, and fishes to be subjected to vaccine injection are placed in the fish storage tank; the guide channel is connected with the fish storage tank, and fishes enter the guide channel from the fish storage tank; the injection bin is connected with the guide channel, and fishes enter the injection bin from the guide channel; the injection assembly is arranged on the side face of the injection bin and injects vaccines to the fishes in the injection bin. The fixing assembly is arranged on the side face of the injection bin and abuts against and fixes the fish in the injection bin.

Description

Technical Field

[0001] The present application relates to the technical field of fish farming, and in particular to a fish vaccine injection machine. Background Art

[0002] Vaccination of fish in aquaculture is an important means of preventing fish diseases. Some farms use manual vaccination, which is inefficient and time-consuming. Therefore, in order to improve efficiency, manufacturers have launched injection machines to automatically inject vaccines. The fish enters the injection machine, and the injection machine starts to complete the injection. However, due to the small size of fish, it is difficult for the injection machine's needle to align with the injection site, and it is not easy to determine whether the fish has entered the injection machine. On the other hand, fish swim in a disorderly manner, making it difficult to complete the vaccination. Utility Model Content

[0003] In order to solve at least one of the above technical problems, the present application provides a fish vaccine injection machine, and the technical solution adopted is as follows.

[0004] The fish vaccine injection machine provided in the present application includes a fish storage tank, a guide channel, an injection chamber, an injection component and a fixing component. The fish to be injected with the vaccine are placed in the fish storage tank; the guide channel is connected to the fish storage tank, and the fish enter the guide channel from the fish storage tank; the injection chamber is connected to the guide channel, and the fish enter the injection chamber from the guide channel; the injection component is arranged on the side of the injection chamber, and the injection component injects the vaccine into the fish in the injection chamber; the fixing component is arranged on the side of the injection chamber, and the fixing component presses and fixes the fish in the injection chamber.

[0005] In certain embodiments of the present application, the fish vaccine injection machine includes a sensing component, which is disposed in the guide channel and is triggered when a fish passes through the guide channel.

[0006] In certain embodiments of the present application, the sensing component includes a first mounting seat, a toggle structure and a reflection sensor, wherein the toggle structure is movably disposed on the first mounting seat, the reflection sensor is disposed on the first mounting seat, and the lower end of the toggle structure is located in the guide channel. When the fish passes through the guide channel, it touches the toggle structure to cause the toggle structure to move, and the toggle structure triggers the reflection sensor.

[0007] In some embodiments of the present application, the toggle structure is hinged to the first mounting seat; or, the toggle structure is slidably disposed on the first mounting seat.

[0008] In some embodiments of the present application, the installation positions of the toggle structure and the first mounting seat are close to the upper part of the toggle structure.

[0009] In certain embodiments of the present application, the sensing component includes a second mounting seat and a first driver, the first driver is disposed on the second mounting seat, the first mounting seat is connected to the first driver, the second mounting seat is connected to the side wall of the guide channel, and under the drive of the first driver, the first mounting seat moves to adjust the depth of the toggle structure extending into the guide channel.

[0010] In certain embodiments of the present application, a guide plate is provided in the guide channel, one end of the guide plate is connected to the inner wall of the guide channel, and the other end of the guide plate can move in the guide channel so that fish can swim in the guide channel to the position where the toggle structure is located.

[0011] In certain embodiments of the present application, the side wall of the guide channel is provided with a pushing structure, the pushing structure is threadedly connected to the side wall of the guide channel, the guide plate is configured as an elastic plate, and the end of the pushing structure abuts against the side of the guide plate to tilt the guide plate to reduce the width of the guide channel.

[0012] In certain embodiments of the present application, the fish vaccine injection machine includes an injection area and a flip drive, the injection area is arranged in the injection chamber, the fixing component fixes the fish in the injection area, the flip drive is connected to the side wall of the injection chamber, and under the drive of the flip drive, the injection area can be flipped in the injection chamber to pour the injected fish out of the injection chamber, and an outlet is arranged at the bottom of the injection chamber.

[0013] In certain embodiments of the present application, the fish vaccine injection machine includes a water pipe, which is arranged in the fish storage tank. The water pipe flushes water into the fish storage tank to form a water flow to flush the fish into the guide channel, and the water outlet direction of the water pipe is adjustable.

[0014] The embodiments of the present application can be widely applied in the field of fish farming technology, and have at least the following beneficial effects:

[0015] The fish in the fish storage tank can swim in an orderly manner through the guide channel to the injection chamber, where the vaccine is injected into the fish through the injection assembly, thereby avoiding missing out on fish that have not been vaccinated;

[0016] When the fish passes through the guide channel, the fish touches the lower end of the toggle structure, and the toggle structure moves, so as to convert the disordered swimming of the fish into an obvious and stable movement of the toggle structure, so as to trigger the reflex sensor;

[0017] A movable guide plate is arranged in the guide channel, and the width of the guide channel is adjusted according to the type of fish so that the fish can touch the toggle structure when swimming. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Aspects and advantages described and / or appended in embodiments of the present application will become apparent and readily understood in conjunction with the following drawings. It should be noted that the embodiments illustrated in the following drawings are exemplary and are only used to explain the present application and should not be construed as a limitation to the present application.

[0019] Figure 1 It is a structural diagram of a fish vaccine injector.

[0020] Figure 2 It is a structural diagram of a guiding channel and an induction component.

[0021] Figure 3 It is a structural diagram of the induction component.

[0022] Figure 4 It is a structural diagram of the guiding channel.

[0023] Figure 5 It is a structural diagram of an injection chamber, a fixing component and an injection component.

[0024] Figure 6 It is a structural diagram of the injection component.

[0025] Figure 7 It is a structural diagram of the injection chamber and the injection area.

[0026] Figure 8 It is a structural diagram of the injection area.

[0027] Reference numerals: 1000, fish storage tank; 1100, water pipe; 1200, lighting lamp; 1300, indicating lamp; 2000, guiding channel; 2101, guide plate; 2102, pushing structure; 3000, injection chamber; 3101, injection area; 3102, flipping driver; 3200, export chute; 4000, injection component; 4101, syringe; 4102, injection driver; 4200, first driving component; 4201, first moving plate; 4301, second screw rod; 4302, second moving plate; 4303, hand wheel; 5000, fixing component; 6000, induction component; 6101, first mounting seat; 6102, toggling structure; 6103, reflection inductor; 6201, second mounting seat; 6202, first driver. Detailed implementation manners

[0028] The following Figures 1 to 8 Details describe embodiments of the present application. Examples of the embodiments are shown in the drawings, where the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described by referring to the drawings below are exemplary and are only used to explain the present application and should not be construed as a limitation to the present application.

[0029] In the description of the present application, it should be understood that if terms such as "center", "middle part", "longitudinal direction", "transverse direction", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial direction", "radial direction", "circumferential direction", etc. are used to indicate the orientation or positional relationship, it is based on the orientation or positional relationship shown in the drawings. This is only for the convenience of describing the present application and simplifying the description, 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. Therefore, it should not be construed as a limitation to the present application. The features defined with "first" and "second" are used to distinguish the feature names and do not have special meanings. In addition, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present application, unless otherwise specified, the meaning of "a plurality" is two or more.

[0030] In the description of the present application, it should be noted that unless otherwise clearly specified and limited, the terms "installation", "connection", and "coupling" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances.

[0031] The present application relates to a fish vaccine injector, which includes a fish storage tank 1000, a guiding channel 2000, an injection chamber 3000, an injection assembly 4000, and a fixing assembly 5000. The guiding channel 2000 is connected to the fish storage tank 1000, the inlet of the guiding channel 2000 is connected to the outlet of the fish storage tank 1000, the injection chamber 3000 is connected to the guiding channel 2000, the outlet of the guiding channel 2000 is connected to the inlet of the injection chamber 3000, the injection assembly 4000 is arranged on the side of the injection chamber 3000, and the fixing assembly 5000 is arranged on the side of the injection chamber 3000. Figure 1 Combined with the attached

[0032] Specifically, the fish to be injected with the vaccine is placed in the fish storage tank 1000, the fish enters the guiding channel 2000 from the fish storage tank 1000, the fish enters the injection chamber 3000 from the guiding channel 2000, the fixing assembly 5000 presses and fixes the fish in the injection chamber 3000, and the injection assembly 4000 injects the vaccine into the fish in the injection chamber 3000.

[0033] Combined with the attached Figure 1The guide channel 2000 and the injection chamber 3000 are both inclined to facilitate the swimming of fish. Figure 2 and attached Figure 4 The width of the guide channel 2000 gradually narrows from the entrance end to the exit end so that the fish can flow into the injection chamber 3000.

[0034] As an embodiment, the fish vaccine injection machine includes a sensing component 6000, which is arranged in the guide channel 2000 and is electrically connected to the upper computer of the fish vaccine injection machine. It is understandable that when the fish passes through the guide channel 2000, the sensing component 6000 is triggered, and the sensing component 6000 sends a signal to the upper computer of the fish vaccine injection machine, and the upper computer manipulates the fixing component 5000 to fix the fish in the injection chamber 3000 and start the injection component 4000.

[0035] Specifically, the induction component 6000 is disposed on the upper side of the guide channel 2000. Figure 3 The sensing assembly 6000 includes a first mounting seat 6101, a toggle structure 6102 and a reflection sensor 6103. The first mounting seat 6101 is arranged on the upper side of the guide channel 2000, the reflection sensor 6103 is arranged on the first mounting seat 6101, the toggle structure 6102 is arranged as a toggle rod or a toggle piece, the lower end of the toggle structure 6102 is located in the guide channel 2000, and the fish can touch the toggle structure 6102 when passing through the guide channel 2000. The toggle structure 6102 is movably arranged on the first mounting seat 6101, and when touched by the fish, the toggle structure 6102 moves, so that the toggle structure 6102 triggers the reflection sensor 6103, and the reflection sensor 6103 generates a signal.

[0036] In the related art, photoelectric sensors are mostly used to detect fish, but the sensitivity of photoelectric sensors is not enough. On the one hand, photoelectric sensors are easily affected by the external lighting environment, and may interfere with the normal operation of the photoelectric sensors when the light intensity changes greatly. On the other hand, the area recognized by the photoelectric sensor is small. If the fish is small or swims fast, the photoelectric sensor may not be able to recognize it. Furthermore, the photoelectric sensor has different recognition effects on different fish. Therefore, for different fish, it is necessary to adjust the parameters of the photoelectric sensor or replace the photoelectric sensor, which is not conducive to the convenience of vaccine injection and may also increase costs. Therefore, a reflective sensor 6103 is designed in this application, and a toggle structure 6102 is used to convert the disordered swimming of fish into the movement of the toggle structure 6102, so that the reflective sensor 6103 can detect the fish swimming through the guide channel 2000 in time, which is conducive to the reflective sensor 6103 to generate a stable signal.

[0037] Furthermore, the installation position of the toggle structure 6102 and the first mounting seat 6101 is close to the upper part of the toggle structure 6102, and the center of gravity of the toggle structure 6102 is below the installation position. In this case, when the fish touches the toggle structure 6102, the toggle structure 6102 can automatically reset under its own gravity, thereby ensuring that each fish can touch the toggle structure 6102 when passing by.

[0038] In some examples, the toggle structure 6102 is hinged to the first mounting seat 6101. Specifically, the toggle structure 6102 is disposed on the first mounting seat 6101 through a hinge shaft and a rolling bearing, and when a fish touches the lower end of the toggle structure 6102, the toggle structure 6102 can rotate. After the fish passes by, the toggle structure 6102 can rotate in the opposite direction and return to the initial position.

[0039] Regarding the reverse rotation and reset of the toggle structure 6102, the alternative design is as follows: in some examples, a torsion spring is provided on the hinge shaft, and the torsion spring can apply elastic force to the hinge shaft to make the toggle structure 6102 reversely rotate and reset. In some examples, a spring is provided on the first mounting seat 6101, and the spring abuts against the side of the toggle structure 6102. When the fish touches the toggle structure 6102, the spring generates elastic force. After the fish passes by, under the elastic force of the spring, the toggle structure 6102 reversely rotates and resets.

[0040] In some examples, the toggle structure 6102 is slidably disposed on the first mounting seat 6101. Specifically, the first mounting seat 6101 is provided with a slide groove, the toggle structure 6102 is slidably connected to the slide groove through a sliding portion, and the slide groove is inclined. When a fish touches the toggle structure 6102, the toggle structure 6102 moves upward along the slide groove. After the fish passes by, the toggle structure 6102 can move in the opposite direction and return to the initial position under the action of its own gravity.

[0041] Regarding the reverse movement and reset of the toggle structure 6102, the design can also be replaced as follows: a spring is set on the first mounting seat 6101, and when the fish touches the toggle structure 6102 and the toggle structure 6102 moves upward, the spring generates an elastic force, and after the fish passes, under the action of the elastic force of the spring, the toggle structure 6102 moves in the reverse direction to complete the reset.

[0042] As an embodiment, the height of the toggle structure 6102 at the initial position of the guide channel 2000 is adjustable to accommodate fish of different sizes. Specifically, the sensing assembly 6000 includes a second mounting seat 6201 and a first driver 6202, the first driver 6202 is disposed on the second mounting seat 6201, the first mounting seat 6101 is connected to the first driver 6202, the second mounting seat 6201 is located on the upper side of the guide channel 2000, and the second mounting seat 6201 is connected to the side wall of the guide channel 2000. Under the drive of the first driver 6202, the first mounting seat 6101 moves to adjust the depth of the toggle structure 6102 extending into the guide channel 2000.

[0043] The first driver 6202 includes a motor, and the rotating shaft of the first driver 6202 is connected to the first screw rod, and the first screw rod is threadedly connected to the first mounting seat 6101. The first screw rod drives the first mounting seat 6101 to move up and down in a spiral transmission manner, so that the first mounting seat 6101 drives the toggle structure 6102 to move up and down. Alternatively, the replacement design is: the first driver 6202 includes a cylinder, and the telescopic end of the first driver 6202 is connected to the first mounting seat 6101.

[0044] As an embodiment, the width of the guide channel 2000 is adjustable. On the one hand, it can enable fish to swim in the guide channel 2000 to the position where the toggle structure 6102 is located; on the other hand, by adjusting the width of the guide channel 2000, it can adapt to fish of different sizes.

[0045] Combined with Figure 4 A guide plate 2101 is provided in the guide channel 2000, and the guide plate 2101 serves as a movable side in the guide channel 2000. One end of the guide plate 2101 is connected to the inner wall of the guide channel 2000, and the other end of the guide plate 2101 can move in the guide channel 2000, thereby adjusting the width of the guide channel 2000 so that the fish can swim in the guide channel 2000 to the position where the toggle structure 6102 is located.

[0046] Further, the side wall of the guide channel 2000 is provided with a pushing structure 2102, the pushing structure 2102 is threadedly connected to the side wall of the guide channel 2000, the guide plate 2101 is provided as an elastic plate, and the end of the pushing structure 2102 abuts against the side of the guide plate 2101 to tilt the guide plate 2101, so as to reduce the width of the guide channel 2000. Specifically, the pushing structure 2102 is provided as a screw or a bolt, the pushing structure 2102 is threadedly connected to the side wall of the guide channel 2000, and the pushing structure 2102 can be moved along its own axis by rotating the pushing structure 2102, so that the pushing structure 2102 can abut against the guide plate 2101 and tilt the guide plate 2101, so as to change the width of the guide channel 2000.

[0047] Regarding the movement of the guide plate 2101, an alternative design can also be: one end of the guide plate 2101 is hinged to the inner sidewall of the guiding channel 2000, and the other end of the guide plate 2101 can rotate around the hinge point, thereby adjusting the width of the guiding channel 2000.

[0048] In some examples, the induction component 6000 is arranged near the outlet of the guiding channel 2000. Correspondingly, the guide plate 2101 is arranged near the outlet of the guiding channel 2000, and the guide plate 2101 is located below the induction component 6000.

[0049] As an implementation manner, the fish vaccine injector includes an injection area 3101. The injection area 3101 is arranged in the injection bin 3000. Fish enter the injection area 3101 from the guiding channel 2000, and the fixing component 5000 fixes the fish in the injection area 3101. Further, the fish vaccine injector includes a flipping driver 3102. The flipping driver 3102 is connected to the sidewall of the injection bin 3000, and the injection area 3101 is connected to the flipping driver 3102.

[0050] Driven by the flipping driver 3102, the injection area 3101 can flip in the injection bin 3000 to pour out the injected fish from the injection bin 3000. An outlet is arranged at the bottom of the injection bin 3000. After the injection area 3101 flips, the fish fall from the outlet at the bottom of the injection bin 3000. Combined with the attached Figure 5 , a guiding trough 3200 is arranged below the injection bin 3000. The guiding trough 3200 is arranged obliquely, and the fish fall from the injection bin 3000 to the guiding trough 3200.

[0051] In some examples, the flipping driver 3102 includes a motor. One end of the injection area 3101 is connected to the rotating shaft of the flipping driver 3102, and the other end of the injection area 3101 is hinged to the inner sidewall of the injection bin 3000. In some examples, an alternative design can also be: the flipping driver 3102 includes a cylinder. The telescopic end of the flipping driver 3102 is hinged to the sidewall of the injection area 3101. The two ends of the injection area 3101 are respectively hinged to the inner sidewall of the injection bin 3000, and the flipping driver 3102 pushes the injection area 3101 to flip.

[0052] Combined with the attached Figure 7 and the attached Figure 8 , the injection area 3101 is provided with an arc-shaped area to enable the injection area 3101 to better adapt to the body shape of the fish. The fixing component 5000 fixes the fish in the arc-shaped area. Further, the arc-shaped area gradually narrows from the inlet end to the other end. When small fish enter the injection area 3101, the gradually narrowing arc-shaped sidewalls of the injection area 3101 that are inclined guide the small fish to one side of the injection component 4000, so that the injection component 4000 can effectively inject the fish.

[0053] In some examples, drain holes or drain grooves are provided on the side wall of the injection chamber 3000 to drain the moisture in the injection chamber 3000.

[0054] As an implementation manner, the fixing component 5000 includes a fixing driver and a pressing plate. The fixing driver includes a cylinder. The telescopic end of the fixing driver is connected to the pressing plate. The pressing plate is arranged in the injection chamber 3000, and the pressing plate presses down to fix the fish.

[0055] As an implementation manner, the injection component 4000 includes a syringe 4101 and an injection driver 4102. The injection driver 4102 pushes the piston rod of the syringe 4101. The needle of the syringe 4101 passes through the side wall of the injection chamber 3000 and extends to the injection area 3101. Specifically, the injection driver 4102 includes a cylinder.

[0056] Furthermore, the injection component 4000 includes a first driving component 4200. The syringe 4101 and the injection driver 4102 are arranged on the first driving component 4200. Driven by the first driving component 4200, the syringe 4101 can approach or move away from the injection chamber 3000. Specifically, the first driving component 4200 includes a second driver and a first moving plate 4201. The second driver includes a cylinder. The second driver is connected to the first moving plate 4201. The syringe 4101 and the injection driver 4102 are arranged on the first moving plate 4201. It can be understood that the second driver drives the first moving plate 4201 to move closer to or away from the injection chamber 3000, so that the syringe 4101 and the injection driver 4102 move.

[0057] In some examples, the injection component 4000 includes a second driving component. Driven by the second driving component, the syringe 4101 can adjust the position of entering the injection chamber 3000, so as to adjust the part of the fish where the syringe 4101 injects the vaccine. Specifically, the second driving component drives the first driving component 4200 to move in a screw drive manner, so that the syringe 4101 and the injection driver 4102 move with the first driving component 4200.

[0058] Combined with the attached Figure 6 , the second driving component includes a second screw 4301, a moving block and a second moving plate 4302. The moving block is sleeved on the outer side of the second screw 4301 and the moving block is threadedly connected to the second screw 4301. The second moving plate 4302 is arranged on the moving block. The second driving component rotates the second screw 4301 through a handwheel 4303. The second screw 4301 drives the second moving plate 4302 to move through the moving block, and the second moving plate 4302 drives the first driving component 4200 to move.

[0059] It can be understood that a groove is provided on the side wall of the injection chamber 3000, and the needle of the syringe 4101 penetrates through the groove and enters the injection chamber 3000. Further, the moving direction of the moving block driven by the second driving assembly is parallel to the length direction of the groove.

[0060] As an implementation manner, the fish vaccine injector includes a water pipe 1100. The water pipe 1100 is arranged in the fish storage tank 1000, and the water pipe 1100 flushes water into the fish storage tank 1000 to form a water flow so as to flush the fish into the guiding channel 2000.

[0061] Further, the water outlet direction of the water pipe 1100 is adjustable so that the fish in the fish storage tank 1000 can be flushed into the guiding channel 2000. Specifically, the water pipe 1100 can be bent and deformed to adjust the direction of the water pipe 1100.

[0062] Combined with the attached Figure 1 , the fish vaccine injector includes a lighting lamp 1200.

[0063] In some examples, the fish vaccine injector includes an indicator light 1300. When the indicator light 1300 lights up in a set color, fish can be released from the fish storage tank 1000 to the guiding channel 2000. Specifically, it is designed that fish can be released when the indicator light 1300 lights up green. Or, it can also be alternatively designed that fish can be released when the indicator light 1300 lights up.

[0064] In the description of this specification, if descriptions such as reference terms "one embodiment", "some examples", "some embodiments", "schematic embodiments", "examples", "specific examples", or "some examples" appear, it means that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.

[0065] The embodiments of the present application have been described in detail above in conjunction with the accompanying drawings, but the present application is not limited to the above embodiments. Within the scope of knowledge possessed by those of ordinary skill in the art in the technical field, various changes can be made without departing from the purpose of the present application.

[0066] In the description of the present application, if the patent name appears with ",", it means a "and" relationship, rather than an "or" relationship. For example, if the patent name is "a kind of A, B", it means that the content claimed in the present application is: the technical solution with the theme name of A and the technical solution with the theme name of B.

Claims

1. A fish vaccine injection machine, characterized in that: include A fish storage tank (1000), in which fish to be vaccinated are placed; A guide channel (2000), wherein the guide channel (2000) is connected to the fish storage tank (1000), and fish enter the guide channel (2000) from the fish storage tank (1000); An injection chamber (3000), wherein the injection chamber (3000) is connected to the guide channel (2000), and the fish enters the injection chamber (3000) from the guide channel (2000); An injection assembly (4000), the injection assembly (4000) being arranged on a side of the injection chamber (3000), and the injection assembly (4000) injecting vaccines into the fish in the injection chamber (3000); A fixing component (5000), the fixing component (5000) being arranged on a side of the injection chamber (3000), the fixing component (5000) pressing and fixing the fish in the injection chamber (3000); The fish vaccine injection machine further comprises an injection area (3101) and a flipping drive (3102), wherein the injection area (3101) is arranged in the injection chamber (3000), the fixing assembly (5000) fixes the fish in the injection area (3101), the flipping drive (3102) is connected to the side wall of the injection chamber (3000), and under the drive of the flipping drive (3102), the injection area (3101) can be flipped in the injection chamber (3000) to pour the injected fish out of the injection chamber (3000), and an outlet is arranged at the bottom of the injection chamber (3000), and after the injection area (3101) is flipped, the fish falls from the outlet at the bottom of the injection chamber (3000).

2. The fish vaccine injection machine according to claim 1, characterized in that: The fish vaccine injection machine comprises a sensing component (6000), wherein the sensing component (6000) is arranged in the guide channel (2000), and the sensing component (6000) is triggered when a fish passes through the guide channel (2000).

3. The fish vaccine injection machine according to claim 2, characterized in that: The sensing component (6000) includes a first mounting seat (6101), a toggle structure (6102) and a reflection sensor (6103); the toggle structure (6102) is movably arranged on the first mounting seat (6101); the reflection sensor (6103) is arranged on the first mounting seat (6101); the lower end of the toggle structure (6102) is located in the guide channel (2000); when the fish passes through the guide channel (2000), it touches the toggle structure (6102) to move the toggle structure (6102); and the toggle structure (6102) triggers the reflection sensor (6103).

4. The fish vaccine injection machine according to claim 3, characterized in that: The toggle structure (6102) is hinged to the first mounting seat (6101); or, the toggle structure (6102) is slidably disposed on the first mounting seat (6101).

5. The fish vaccine injection machine according to claim 4, characterized in that: The installation position of the toggle structure (6102) and the first mounting seat (6101) is close to the upper part of the toggle structure (6102), and the center of gravity of the toggle structure (6102) is below the installation position.

6. The fish vaccine injection machine according to any one of claims 3 to 5, characterized in that: The sensing component (6000) includes a second mounting seat (6201) and a first driver (6202), wherein the first driver (6202) is disposed on the second mounting seat (6201), the first mounting seat (6101) is connected to the first driver (6202), and the second mounting seat (6201) is connected to the side wall of the guide channel (2000). Driven by the first driver (6202), the first mounting seat (6101) moves to adjust the depth of the toggle structure (6102) extending into the guide channel (2000).

7. The fish vaccine injection machine according to any one of claims 3 to 5, characterized in that: A guide plate (2101) is provided in the guide channel (2000), one end of the guide plate (2101) is connected to the inner wall of the guide channel (2000), and the other end of the guide plate (2101) can move in the guide channel (2000), thereby adjusting the width of the guide channel (2000) so that fish can swim in the guide channel (2000) to the position where the toggle structure (6102) is located.

8. The fish vaccine injection machine according to claim 7, characterized in that: The side wall of the guide channel (2000) is provided with a pushing structure (2102), and the pushing structure (2102) is threadedly connected to the side wall of the guide channel (2000), and the guide plate (2101) is configured as an elastic plate, and the end of the pushing structure (2102) abuts against the side of the guide plate (2101) to tilt the guide plate (2101) so as to reduce the width of the guide channel (2000).

9. The fish vaccine injection machine according to claim 1, characterized in that: The fish vaccine injection machine comprises a water pipe (1100), wherein the water pipe (1100) is arranged in the fish storage tank (1000), and the water pipe (1100) flushes water into the fish storage tank (1000) to form a water flow so as to flush the fish into the guide channel (2000), and the water outlet direction of the water pipe (1100) is adjustable.

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