Disinfecting and killing equipment for prepackaged food

Abstract

The utility model relates to the technical field of food sterilization, in particular to sterilization equipment for prepackaged food, which comprises a mounting rack, a plurality of supporting legs are fixedly mounted at the bottom of the mounting rack, a protective top plate is fixedly mounted at the top of the mounting rack through bolts, and a plurality of ultraviolet lamp panels are fixedly mounted at the bottom of the protective top plate. And a plurality of supporting rollers are movably mounted in the mounting rack. According to the sterilization equipment for the pre-packaged food, a packaging bag is conveyed through the first conveying belt, one face of the packaging bag can be sterilized through an ultraviolet lamp panel at the bottom of a protection top plate, and when a second position sensor detects that the packaging bag falls into the top of a turnover plate, a servo turnover motor can drive the turnover plate to rotate to drive the packaging bag to turn over by 180 degrees; and the other side of the packaging bag is sterilized and killed through an ultraviolet lamp panel at the bottom of the protective top plate, so that the packaging bag is comprehensively sterilized and killed through one-time operation, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of food disinfection, in particular to a disinfection device for pre-packaged food. Background Art

[0002] Prepackaged food refers to food that is pre-packaged or made in packaging materials and containers; it includes food that is pre-packaged or made in packaging materials and containers and has a uniform quality or volume label within a certain limit. After food packaging, in order to improve safety and meet food safety standards, the packaging bags need to be disinfected.

[0003] Upon investigation, the public (announcement) number: CN202320296484.3 discloses a food packaging disinfection equipment. This technology discloses "including a body, a conveyor belt is provided inside the body, a disinfection chamber is provided on the upper surface of the body, an ultraviolet sterilization lamp is provided on the inner upper surface of the disinfection chamber, a disinfection water tank is provided on the top of the disinfection chamber, a first water pipe is connected to the lower end of one side of the disinfection water tank, a water pump is connected to the water outlet of the first water pipe, and a second water pipe is connected to the water outlet of the water pump"; the utility model is provided with a disinfection water tank, a water spraying platform and an atomizing nozzle, etc. The disinfection water tank is filled with disinfectant, and the disinfectant is transported to the water spraying platform through a water pump, and the disinfectant is sprayed on the surface of the food packaging to perform preliminary disinfection on the packaging, thereby improving the effect of packaging disinfection and enhancing the efficiency of equipment disinfection.

[0004] In the disinfection room, disinfectant and ultraviolet light are used to disinfect food packaging bags, and the packaging bags are transported by conveyor belts to achieve continuous disinfection. However, when the packaging bags are placed on the conveyor belt, the bottom of the packaging bags is in contact with the conveyor belt, and the bottom of the packaging bags is blocked, resulting in only the top of the packaging bags being disinfected, resulting in incomplete disinfection. The packaging bags need to be turned over to disinfect the other side, which is cumbersome and inefficient. Therefore, we propose a disinfection device for pre-packaged food to solve the above problems. Utility Model Content

[0005] In order to solve the problems raised in the above background technology, the utility model provides a pre-packaged food disinfection device, which can fully disinfect the food packaging bag in a single operation.

[0006] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: a disinfection device for pre-packaged food, comprising a mounting frame, a plurality of supporting legs fixedly installed on the bottom of the mounting frame, a protective top plate fixedly installed on the top of the mounting frame by bolts, and a plurality of ultraviolet lamp boards fixedly installed on the bottom of the protective top plate, a plurality of supporting rollers movably installed inside the mounting frame, and a conveyor belt 1 and a conveyor belt 2 movably installed inside the mounting frame through supporting rollers, a driving motor, a servo flip motor, and a controller are fixedly installed on the front of the mounting frame, a transmission assembly 1, a transmission assembly 2, and a transmission assembly 3 cooperating with the supporting rollers are arranged on the back of the mounting frame, a flip plate movably installed inside the mounting frame, and the flip plate is fixedly connected to the output shaft of the servo flip motor, a plurality of electric vacuum suction cups are nested on the top and bottom of the flip plate, a positioning plate is arranged on the end of the flip plate away from the servo flip motor, and a position sensor 2 is fixedly installed on the back of the mounting frame.

[0007] As a preferred disinfection device for pre-packaged food of the utility model, the conveyor belt 2 is located below the outlet end of the conveyor belt 1, the flip plate is located at the junction of the conveyor belts 1 and 2, and the flip plate is located at the lower edge of the outlet end of the conveyor belt 1, the conveyor belt 1 transports the packaging bag and can disinfect one side of the packaging bag, and after the packaging bag is flipped 180° by the flip plate, the conveyor belt 2 continues to transport the packaging bag and can disinfect the other side of the packaging bag.

[0008] As a preferred disinfection equipment for pre-packaged food of the utility model, the transmission component 1, transmission component 2, and transmission component 3 are all composed of a transmission sprocket and a transmission chain, and the transmission chain is meshingly sleeved on the outside of the transmission sprocket. The conveyor belt 1 and conveyor belt 2 are connected to the driving motor through the transmission component 1, transmission component 2, and transmission component 3, and are transmitted through the transmission component 1, transmission component 2, and transmission component 3 to ensure that the driving motor can drive the conveyor belt 1 and conveyor belt 2 to rotate synchronously, thereby realizing the connection, transportation and disinfection of the packaging bags.

[0009] As a preferred disinfection device for pre-packaged food of the utility model, the number of transmission sprockets in the transmission component one is the same as the number of support rollers inside conveyor belt two, and the transmission sprockets are fixedly mounted on the ends of the inner support rollers of conveyor belt two, the number of transmission sprockets in the transmission component two is the same as the number of support rollers inside conveyor belt one, and the transmission sprockets are fixedly mounted on the ends of the inner support rollers of conveyor belt one, and through the transmission of the transmission component one, several support rollers inside conveyor belt two can be transmission connected, and through the transmission of the transmission component two, several support rollers inside conveyor belt one can be transmission connected.

[0010] As a preferred embodiment of the disinfection equipment for pre-packaged food of the utility model, the number of the transmission sprockets in the transmission component three is two groups, one group of the transmission sprockets is fixedly mounted on the end of any supporting roller on the inner side of conveyor belt one, and the other group of the transmission sprockets is fixedly mounted on the end of any supporting roller on the inner side of conveyor belt two. Through the transmission sprocket and the transmission chain in the transmission component three, the transmission component one can be connected with the transmission component two, so that the driving motor can drive the conveyor belt one and the conveyor belt two to rotate synchronously.

[0011] As a preferred disinfection device for pre-packaged food of the utility model, the end of the flip plate away from the servo flip motor is fixedly connected to a connecting shaft tube, and the external fixed sleeve of the connecting shaft tube is equipped with a conductive slip ring and a positioning plate, and two groups of positioning grooves are provided on the positioning plate, and the interval angle of the two groups of positioning grooves is 180°. The electric vacuum suction cup can be powered by the conductive slip ring to ensure the conductivity of the electric vacuum suction cup when the flip plate rotates, thereby ensuring the normal operation of the electric vacuum suction cup.

[0012] As a preferred disinfection device for pre-packaged food of the utility model, a position sensor is fixedly installed on the back of the mounting frame, and the position sensor can detect the position of the positioning groove, the inside of the flip plate and the connecting shaft tube are provided with threading grooves, the electric vacuum suction cup is electrically connected to the conductive slip ring, and the controller can determine the position of the flip plate according to the detection signal of the position sensor.

[0013] As a preferred disinfection device for pre-packaged food of the utility model, a position sensor 2 is fixedly installed on the back of the mounting frame, and the position sensor 2 is located at the junction of conveyor belt 1 and conveyor belt 2, and the position sensor 2 is located above the flip plate. The position sensor 2 is electrically connected to the controller, and the controller is electrically connected to the ultraviolet lamp board, the drive motor, the servo flip motor, the electric vacuum suction cup, and the position sensor 1. When the packaging bag falls onto the top of the flip plate along the outlet end of conveyor belt 1, the signal of position sensor 2 changes, and the controller controls the multiple electric vacuum suction cups on the flip plate and the servo flip motor to start according to the signal.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. The disinfection equipment for pre-packaged food transports a pair of packaging bags through a conveyor belt, and can disinfect one side of the packaging bag through the ultraviolet light board at the bottom of the protective top plate. When position sensor 2 detects that the packaging bag falls on the top of the flip plate, the servo flip motor can drive the flip plate to rotate and drive the packaging bag to flip 180°, so that the packaging bag falls onto conveyor belt 2 after flipping, and the other side of the packaging bag is disinfected through the ultraviolet light board at the bottom of the protective top plate, thereby achieving comprehensive disinfection of the packaging bag in a single operation and improving work efficiency.

[0016] 2. For the disinfection equipment for pre-packaged food, when position sensor 2 detects that the packaging bag has fallen onto the top of the flip plate, the controller controls the multiple electric vacuum suction cups on the flip plate to be energized, so that the packaging bag can be stably adsorbed on the flip plate, ensuring that the flip plate can stably drive the packaging bag to flip, and detects the positioning grooves on the positioning plate through a pair of position sensors. The controller can control the electric vacuum suction cup to cut off the power according to the detection signal of position sensor 1, so that the packaging bag can fall onto conveyor belt 2 for continued disinfection. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0018] Figure 1 It is a structural schematic diagram of one side of the utility model as a whole;

[0019] Figure 2 It is a structural schematic diagram of the other side of the utility model as a whole;

[0020] Figure 3 This is a schematic diagram of the bottom structure of the protective top plate of the utility model;

[0021] Figure 4 This is a schematic diagram of the structure of the support roller of the utility model;

[0022] Figure 5 This is a schematic diagram of the structure of the flip plate of the utility model;

[0023] Figure 6 It is a structural schematic diagram of the wire threading trough of the utility model.

[0024] In the figure:

[0025] 1. Mounting frame; 2. Protective top plate; 3. Ultraviolet lamp board; 4. Conveyor belt 1; 5. Conveyor belt 2; 6. Support roller; 7. Transmission component 1; 8. Transmission component 2; 9. Transmission component 3; 10. Drive motor; 11. Servo flip motor; 12. Controller; 13. Flip plate; 14. Connecting shaft tube; 15. Conductive slip ring; 16. Electric vacuum suction cup; 17. Positioning plate; 18. Positioning slot; 19. Position sensor 1; 20. Threading slot; 21. Position sensor 2. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] Example 1

[0028] like Figure 1-Figure 6 As shown; a disinfection device for pre-packaged food, including a mounting frame 1, and a plurality of supporting legs are fixedly installed at the bottom of the mounting frame 1.

[0029] In this embodiment: After investigation, the public (announcement) number: CN202320296484.3 discloses a food packaging disinfection equipment. This technology discloses "including a body, a conveyor belt is provided inside the body, a disinfection chamber is provided on the upper surface of the body, an ultraviolet sterilization lamp is provided on the inner upper surface of the disinfection chamber, and a disinfection water tank is provided on the top of the disinfection chamber. A first water pipe is connected to the lower end of one side of the disinfection water tank, a water pump is connected to the water outlet of the first water pipe, and a second water pipe is connected to the water outlet of the water pump"; the utility model is provided with a disinfection water tank, a water spraying platform and an atomizing nozzle, etc. The disinfection water tank is filled with disinfectant, and the disinfectant is transported to the water spraying platform through a water pump, and the disinfectant is sprayed on the surface of the food packaging to perform preliminary disinfection on the packaging, thereby improving the effect of packaging disinfection and enhancing the efficiency of equipment disinfection.

[0030] In the disinfection room, disinfectant and ultraviolet light are used to disinfect food packaging bags, and the packaging bags are transported by conveyor belts to achieve continuous disinfection. However, when the packaging bags are placed on the conveyor belt, the bottom of the packaging bags is in contact with the conveyor belt, and the bottom of the packaging bags is blocked, resulting in only the top of the packaging bags being disinfected, resulting in incomplete disinfection. The packaging bags need to be turned over to disinfect the other side, which is cumbersome and inefficient. In view of this, in order to solve this technical problem, conveyor belt 1 4, conveyor belt 2 5 and flip plate 13 are added to the application document.

[0031] According to the above content, in order to achieve comprehensive disinfection of packaging bags, the top of the mounting frame 1 is also provided with a protective top plate 2 fixedly installed by bolts, and the bottom of the protective top plate 2 is fixedly provided with a plurality of ultraviolet lamp panels 3, the interior of the mounting frame 1 is movably provided with a plurality of support rollers 6, and the interior of the mounting frame 1 is movably provided with a conveyor belt 1 4 and a conveyor belt 2 5 through the support rollers 6, the front of the mounting frame 1 is fixedly provided with a drive motor 10, a servo flip motor 11, and a controller 12, the back of the mounting frame 1 is provided with a transmission component 1 7, a transmission component 2 8, and a transmission component 3 9 which cooperate with the support rollers 6, a flip plate 13 is movably installed inside the mounting frame 1, and the flip plate 13 is fixedly connected to the output shaft of the servo flip motor 11, a plurality of electric vacuum suction cups 16 are nested on the top and bottom of the flip plate 13, a positioning plate 17 is provided at the end of the flip plate 13 away from the servo flip motor 11, and a position sensor 2 21 is fixedly provided on the back of the mounting frame 1.

[0032] In this embodiment: the conveyor belt 1 4 transports the packaging bags, and one side of the packaging bags can be disinfected by the ultraviolet lamp board 3 at the bottom of the protective top plate 2. When the position sensor 21 detects that the packaging bag falls on the top of the flip plate 13, the servo flip motor 11 can drive the flip plate 13 to rotate and drive the packaging bag to flip 180°, so that the packaging bag falls onto the conveyor belt 2 5 after flipping, and the other side of the packaging bag is disinfected by the ultraviolet lamp board 3 at the bottom of the protective top plate 2.

[0033] In an optional embodiment: conveyor belt 2 5 is located below the outlet end of conveyor belt 1 4 , the flip plate 13 is located at the junction of conveyor belt 1 4 and conveyor belt 2 5 , and the flip plate 13 is located at the lower edge of the outlet end of conveyor belt 1 4 .

[0034] In this embodiment: the conveyor belt 1 4 can transport the packaging bag and disinfect one side of the packaging bag. After the packaging bag is flipped 180° by the flip plate 13, the conveyor belt 2 5 continues to transport the packaging bag and disinfects the other side of the packaging bag.

[0035] In an optional embodiment: transmission component 1 7, transmission component 2 8, and transmission component 3 9 are all composed of a transmission sprocket and a transmission chain, the transmission chain is meshed and sleeved on the outside of the transmission sprocket, and the conveyor belt 1 4 and conveyor belt 2 5 are connected to the drive motor 10 through the transmission component 1 7, transmission component 2 8, and transmission component 3 9.

[0036] In this embodiment: transmission is performed through transmission component 1 7, transmission component 2 8, and transmission component 3 9 to ensure that the drive motor 10 can drive conveyor belt 1 4 and conveyor belt 2 5 to rotate synchronously, thereby realizing the connection, transportation and disinfection of the packaging bags, while reducing the number of drive components and reducing costs.

[0037] In an optional embodiment: the number of drive sprockets in the transmission component 1 7 is the same as the number of internal support rollers 6 of the conveyor belt 2 5, and the drive sprockets are fixedly mounted on the ends of the inner support rollers 6 of the conveyor belt 2 5; the number of drive sprockets in the transmission component 2 8 is the same as the number of internal support rollers 6 of the conveyor belt 1 4, and the drive sprockets are fixedly mounted on the ends of the inner support rollers 6 of the conveyor belt 1 4.

[0038] In this embodiment: through the transmission component 1 7, the several support rollers 6 inside the conveyor belt 2 5 can be connected in transmission, providing sufficient power for the rotation of the conveyor belt 2 5. At the same time, through the transmission component 2 8, the several support rollers 6 inside the conveyor belt 1 4 can be connected in transmission, providing sufficient power for the rotation of the conveyor belt 1 4.

[0039] In an optional embodiment: the number of transmission sprockets in the transmission component three 9 is two groups, one group of transmission sprockets is fixedly mounted on the end of any support roller 6 on the inner side of the conveyor belt one 4, and the other group of transmission sprockets is fixedly mounted on the end of any support roller 6 on the inner side of the conveyor belt two 5.

[0040] In this embodiment: through the transmission sprocket and transmission chain in the transmission component three 9, the transmission component one 7 can be connected with the transmission component two 8, so that the driving motor 10 can drive the conveyor belt one 4 and the conveyor belt two 5 to rotate synchronously.

[0041] In an optional embodiment: one end of the flip plate 13 away from the servo flip motor 11 is fixedly connected to a connecting shaft tube 14, and the outer fixed sleeve of the connecting shaft tube 14 is provided with a conductive slip ring 15 and a positioning plate 17, and the positioning plate 17 is provided with two groups of positioning grooves 18, and the interval angle between the two groups of positioning grooves 18 is 180°.

[0042] In this embodiment: the electric vacuum suction cup 16 can be powered by the conductive slip ring 15 to ensure the conductivity of the electric vacuum suction cup 16 when the flip plate 13 rotates, and the normal operation of the electric vacuum suction cup 16 is ensured. By setting a positioning plate 17 and opening a positioning groove 18 on the positioning plate 17, a position sensor 19 can detect the two groups of positioning grooves 18 to realize feedback on the position of the flip plate 13.

[0043] In an optional embodiment: a position sensor 19 is fixedly installed on the back of the mounting frame 1, and the position sensor 19 can detect the position of the positioning groove 18, a wire threading groove 20 is opened inside the flip plate 13 and the connecting shaft tube 14, and the electric vacuum suction cup 16 is electrically connected to the conductive slip ring 15.

[0044] In this embodiment: when the positioning plate 17 stops, the position sensor 19 detects a group of positioning grooves 18. When the positioning plate 17 rotates, the detection signal of the position sensor 19 changes. When another group of positioning grooves 18 on the positioning plate 17 rotates to the position of the position sensor 19, the signal of the position sensor 19 returns to the initial state. The controller 12 can determine the position of the flip plate 13 according to the detection signal of the position sensor 19. The controller 12, the position sensor 19 and the position sensor 21 are existing technologies and can be products of Schneider Electric.

[0045] In an optional embodiment: a position sensor 21 is fixedly installed on the back of the mounting frame 1, the position sensor 21 is located at the junction of the conveyor belt 1 4 and the conveyor belt 2 5, and the position sensor 21 is located above the flip plate 13, the position sensor 21 is electrically connected to the controller 12, and the controller 12 is electrically connected to the ultraviolet lamp board 3, the drive motor 10, the servo flip motor 11, the electric vacuum suction cup 16, and the position sensor 19.

[0046] In this embodiment: it is ensured that the controller 12 can control each electrical structure, so as to realize the control of the overall working state of the equipment and realize the continuous disinfection operation of the packaging bags; when the packaging bag falls onto the top of the flip plate 13 along the outlet end of the conveyor belt 14, the signal of the position sensor 21 changes, and the controller 12 controls the multiple electric vacuum suction cups 16 on the flip plate 13 and the servo flip motor 11 to start according to the signal.

[0047] The driving motor 10, the servo flip motor 11 and the electric vacuum suction cup 16 are existing technologies and can be products of Siemens.

[0048] The working principle and use process of the utility model are as follows: the drive motor 10 is started, and the transmission is transmitted through the transmission component 1 7, the transmission component 2 8, and the transmission component 3 9. The drive motor 10 drives a plurality of support rollers 6 to rotate synchronously, thereby driving the conveyor belt 1 4 and the conveyor belt 2 5 to rotate synchronously, and the packaging bag after packaging food is placed at the inlet end of the conveyor belt 1 4 at a uniform speed. The conveyor belt 1 4 transports the packaging bag. During the transportation process, the ultraviolet lamp board 3 at the bottom of the protective top plate 2 emits ultraviolet light to disinfect one side and both sides of the packaging bag. When the packaging bag falls onto the top of the flip plate 13 along the outlet end of the conveyor belt 1 4, the signal of the position sensor 2 21 changes, and the controller 12 controls the multiple electric vacuum suction cups 16 on the flip plate 13 to start according to the signal, so that the packaging bag is firmly adsorbed on the flip plate 13. At the same time, the controller 12 controls the servo flip motor 11 to drive the flip plate 13 Rotate, the flip plate 13 drives the positioning disk 17 to rotate synchronously. When the positioning disk 17 stops, the position sensor 19 detects a group of positioning grooves 18. When the positioning disk 17 rotates, the detection signal of the position sensor 19 changes. When another group of positioning grooves 18 on the positioning disk 17 rotates to the position of the position sensor 19, the position sensor 19 signal returns to the initial state. The surface positioning disk 17 has rotated 180°. At this time, the controller 12 controls the servo flip motor 11 to stop, and controls the electric vacuum suction cup 16 to cut off the power. After the packaging bag rotates 180°, it falls onto the conveyor belt 2 5, and the conveyor belt 2 5 continues to transport the packaging bag. During the conveying process of the conveyor belt 2 5, the ultraviolet light board 3 at the bottom of the protective top plate 2 emits ultraviolet light to disinfect the other side and both sides of the packaging bag, so as to achieve comprehensive disinfection of the packaging bag in a single operation.

[0049] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A prepackaged food disinfection device, comprising a mounting frame (1), wherein a plurality of supporting legs are fixedly mounted on the bottom of the mounting frame (1), characterized in that: A protective top plate (2) is fixedly mounted on the top of the mounting frame (1) by bolts, and a plurality of ultraviolet lamp panels (3) are fixedly mounted on the bottom of the protective top plate (2); a plurality of support rollers (6) are movably mounted inside the mounting frame (1), and a conveyor belt 1 (4) and a conveyor belt 2 (5) are movably mounted inside the mounting frame (1) through the support rollers (6); a driving motor (10), a servo flip motor (11), and a controller (12) are fixedly mounted on the front of the mounting frame (1); a transmission component 1 (7), a transmission component 2 (8), and a transmission component 3 (9) that cooperate with the support rollers (6) are arranged on the back of the mounting frame (1); a flip plate (13) is movably mounted inside the mounting frame (1), and the flip plate (13) is fixedly connected to the output shaft of the servo flip motor (11); a plurality of electric vacuum suction cups (16) are nested on the top and bottom of the flip plate (13); and a positioning plate (17) is arranged at one end of the flip plate (13) away from the servo flip motor (11).

2. A prepackaged food disinfection device according to claim 1, characterized in that: The conveyor belt 2 (5) is located below the outlet end of the conveyor belt 1 (4), the flip plate (13) is located at the junction of the conveyor belt 1 (4) and the conveyor belt 2 (5), and the flip plate (13) is located at the lower edge of the outlet end of the conveyor belt 1 (4).

3. The prepackaged food disinfection device according to claim 1, characterized in that: The transmission assembly 1 (7), the transmission assembly 2 (8) and the transmission assembly 3 (9) are all composed of a transmission sprocket and a transmission chain, and the transmission chain is meshed and sleeved on the outside of the transmission sprocket. The conveyor belt 1 (4) and the conveyor belt 2 (5) are connected to the driving motor (10) through the transmission assembly 1 (7), the transmission assembly 2 (8) and the transmission assembly 3 (9).

4. A prepackaged food disinfection device according to claim 3, characterized in that: The number of the transmission sprockets in the transmission component one (7) is the same as the number of the internal support rollers (6) of the conveyor belt two (5), and the transmission sprockets are fixedly sleeved on the ends of the inner support rollers (6) of the conveyor belt two (5); the number of the transmission sprockets in the transmission component two (8) is the same as the number of the internal support rollers (6) of the conveyor belt one (4), and the transmission sprockets are fixedly sleeved on the ends of the inner support rollers (6) of the conveyor belt one (4).

5. The prepackaged food disinfection device according to claim 4, characterized in that: The number of transmission sprockets in the transmission assembly three (9) is two groups, one group of transmission sprockets is fixedly mounted on the end of any supporting roller (6) on the inner side of the conveyor belt one (4), and the other group of transmission sprockets is fixedly mounted on the end of any supporting roller (6) on the inner side of the conveyor belt two (5).

6. The prepackaged food disinfection device according to claim 1, characterized in that: One end of the flip plate (13) away from the servo flip motor (11) is fixedly connected to a connecting shaft tube (14), and the outer fixed sleeve of the connecting shaft tube (14) is provided with a conductive slip ring (15) and a positioning plate (17), and the positioning plate (17) is provided with two groups of positioning grooves (18), and the interval angle between the two groups of positioning grooves (18) is 180 degrees.

7. A prepackaged food disinfection device according to claim 6, characterized in that: A position sensor (19) is fixedly mounted on the back of the mounting frame (1), and the position sensor (19) can detect the position of the positioning groove (18). The insides of the flip plate (13) and the connecting shaft tube (14) are both provided with a threading groove (20), and the electric vacuum suction cup (16) is electrically connected to the conductive slip ring (15).

8. The prepackaged food disinfection device according to claim 7, characterized in that: A second position sensor (21) is fixedly mounted on the back of the mounting frame (1). The second position sensor (21) is located at the junction of the first conveyor belt (4) and the second conveyor belt (5), and the second position sensor (21) is located above the flip plate (13). The second position sensor (21) is electrically connected to the controller (12). The controller (12) is electrically connected to the ultraviolet lamp board (3), the drive motor (10), the servo flip motor (11), the electric vacuum suction cup (16), and the first position sensor (19).

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