CN216018865U

CN216018865U - Device for sterilizing fresh meat by utilizing quick-freezing liquid nitrogen

Info

Publication number: CN216018865U
Application number: CN202122414527.7U
Authority: CN
Inventors: 赵知明; 高绪东; 李光辉
Original assignee: Kunming Donghui Food Technology Co ltd
Current assignee: Kunming Donghui Food Technology Co ltd
Priority date: 2021-10-08
Filing date: 2021-10-08
Publication date: 2022-03-15
Anticipated expiration: 2031-10-08

Abstract

The utility model discloses a device for sterilizing fresh meat by utilizing quick-freezing liquid nitrogen, which comprises a frame, a freezing chamber and a liquid nitrogen box, wherein the freezing chamber is arranged on the upper end surface of the frame, the liquid nitrogen box is arranged in the middle of the upper end surface of the freezing chamber, two side surfaces of the freezing chamber are respectively provided with an inlet and an outlet, a shutter door is movably connected on the inlet and the outlet, a first gear and a second gear are respectively arranged on two inner sides of the frame, a driving motor is fixedly arranged at the inner bottom of the frame, a driving wheel is fixedly arranged on an output shaft of the driving motor, a belt is sleeved on the outer surface of the driving wheel, the other end of the belt is sleeved with the first gear, a conveying belt is movably connected between the first gear and the second gear, a servo motor is fixedly arranged on the rear side wall of the inner top of the freezing chamber, and a speed reducer is fixedly connected with the output end of the servo motor, the device can rapidly freeze and sterilize fresh meat by utilizing liquid nitrogen, the freezing time is shortened, the quality of the fresh meat is ensured, and the quality guarantee period of the fresh meat is prolonged.

Description

Device for sterilizing fresh meat by utilizing quick-freezing liquid nitrogen

Technical Field

The utility model relates to the technical field of food preservation, in particular to a device for sterilizing fresh meat by using quick-frozen liquid nitrogen.

Background

The quick freezing is a method for quickly freezing food to form tiny ice crystals without seriously damaging cell tissues so as to preserve the original juice and flavor of the food and preserve the food for a long time, and the quick freezing generally refers to a method for reducing the temperature of the food to a certain temperature below the freezing point of the food in the shortest possible time by applying the modern freezing technology to ensure that all or most of moisture contained in the food forms reasonable tiny ice crystals along with the heat dissipation in the food, thereby reducing the microbial life activity in the food and the liquid moisture necessary for biochemical change of food nutrient components to the maximum extent and keeping the original natural quality of the food to the maximum extent.

However, the existing quick freezing device has the problems that the freezing speed is slow, the ice crystals are not uniformly distributed, and the cell structure is easily damaged in the freezing process, so that the quality of the unfrozen cells is deteriorated.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a device for sterilizing fresh meat by using quick-frozen liquid nitrogen, which can effectively solve the problems in the background technology.

In order to achieve the purpose, the utility model adopts the technical scheme that:

a device for sterilizing fresh meat by using quick-freezing liquid nitrogen comprises a rack, a freezing chamber and a liquid nitrogen box, wherein the freezing chamber is arranged on the upper end face of the rack, the liquid nitrogen box is arranged in the middle of the upper end face of the freezing chamber, an inlet and an outlet are formed in both side faces of the freezing chamber, a roller shutter door is movably connected to the inlet and the outlet, a first gear and a second gear are respectively arranged on two sides of the interior of the rack, a driving motor is fixedly mounted at the inner bottom of the rack, a driving wheel is fixedly mounted on an output shaft of the driving motor, a belt is sleeved on the outer surface of the driving wheel, the other end of the belt is sleeved with the first gear, and a conveying belt is movably connected between the first gear and the second gear;

fixed mounting has servo motor on the interior top rear side wall of freezer, servo motor's output fixedly connected with reduction gear, the first threaded rod of output fixedly connected with of reduction gear, the interior top position swing joint placed in the middle of the freezer has the second threaded rod, first conical gear has been cup jointed to the surface of first threaded rod, second conical gear has been cup jointed to the surface of second threaded rod, first conical gear is connected with second conical gear meshing, sliding connection has the slide on the second threaded rod, the bottom fixed mounting of slide has the shower nozzle, the top fixedly connected with flexible rubber hose of shower nozzle, the inner chamber of liquid nitrogen case is provided with the drawing liquid pump, the output fixedly connected with connecting pipe of drawing liquid pump, the other end of connecting pipe communicates with flexible rubber hose each other through the installation cover.

Preferably, the front end face of the freezing chamber is fixedly provided with a visual window, a temperature sensor and a controller, and the temperature sensor and the controller are respectively positioned on two sides of the visual window.

Preferably, both sides of the freezing chamber are fixedly connected with mounting frames.

Preferably, an output shaft of the driving motor is provided with a speed reducer.

Preferably, two ends of the second threaded rod are movably connected with the inner walls of the two sides of the freezing chamber through bearings.

Preferably, the rubber hose, the connecting pipe and the mounting sleeve are fixedly provided with sealing rings at the connecting parts.

Preferably, a valve is arranged in the connecting pipe.

Preferably, the sliding seat is communicated with the spray head and the rubber hose.

Compared with the prior art, the utility model has the following beneficial effects: when the device is used, the driving motor is started to drive the driving wheel to rotate, so that the belt drives the first gear to rotate, the first gear drives the conveying belt to rotate, and a worker puts fresh meat on the conveying belt and enters the inside of the freezing chamber under the conveying of the conveying belt; by starting the servo motor and the liquid pump, the servo motor drives the first threaded rod to rotate, the first threaded rod drives the first bevel gear to rotate, the first bevel gear is meshed with the second bevel gear, the second bevel gear drives the second threaded rod to rotate at the moment, so that the sliding seat moves back and forth on the second threaded rod, the liquid nitrogen in the liquid nitrogen box is pumped into the rubber hose by the liquid pump and then is sprayed out by the spray head, the temperature in the freezing chamber drops rapidly at the moment, the fresh meat is subjected to quick freezing treatment, bacteria in the fresh meat are killed at low temperature, the quick-frozen fresh meat is conveyed out from the inlet and the outlet through the conveying belt, if the quick-frozen fresh meat does not need to be conveyed out of the freezing chamber, when the fresh meat enters the freezing chamber, the driving motor and the inlet and the outlet are closed, the freezing chamber forms a closed space, the quick-frozen fresh meat is stored, and the condition of the quick-frozen fresh meat in the freezing chamber can be observed through the window, knowing the temperature in the freezer compartment through the temperature sensor, and transmitting information to the controller to set a suitable temperature; the utility model carries out quick freezing sterilization on the fresh meat through the liquid nitrogen, shortens the freezing time, ensures the quality of the fresh meat and prolongs the quality guarantee period of the fresh meat.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the housing of the present invention;

FIG. 3 is a schematic view showing the internal structure of the freezing chamber according to the present invention;

FIG. 4 is a schematic structural view of a connection mode of a servo motor and a second threaded rod according to the present invention;

fig. 5 is an enlarged schematic view of part a of the present invention.

In the figure: 1. a frame; 2. a freezing chamber; 3. a liquid nitrogen tank; 4. an entrance and an exit; 5. a rolling gate; 6. a visual window; 7. a temperature sensor; 8. a controller; 9. installing a frame; 10. a drive motor; 11. a drive wheel; 12. a belt; 13. a first gear; 14. a second gear; 15. a conveyor belt; 16. a servo motor; 17. a first threaded rod; 18. a second threaded rod; 19. a first bevel gear; 20. a second bevel gear; 21. a slide base; 22. a spray head; 23. a rubber hose; 24. a liquid pump; 25. a connecting pipe; 26. and (7) installing a sleeve.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

As shown in fig. 1, fig. 2, fig. 3, fig. 4, and fig. 5, a device for performing sterilization treatment on fresh meat by using quick-frozen liquid nitrogen, includes a frame 1, a freezing chamber 2 and a liquid nitrogen tank 3, wherein the freezing chamber 2 is arranged on the upper end surface of the frame 1, the liquid nitrogen tank 3 is arranged at the central position of the upper end surface of the freezing chamber 2, both side surfaces of the freezing chamber 2 are provided with an inlet and outlet 4, the inlet and outlet 4 is movably connected with a shutter door 5, both sides of the inside of the frame 1 are respectively provided with a first gear 13 and a second gear 14, the inner bottom of the frame 1 is fixedly provided with a driving motor 10, an output shaft of the driving motor 10 is fixedly provided with a driving wheel 11, the outer surface of the driving wheel 11 is sleeved with a belt 12, the other end of the belt 12 is sleeved with the first gear 13, and a conveyor belt 15 is movably connected between the first gear 13 and the second gear 14;

fixed mounting has servo motor 16 on the interior top rear side wall of freezer 2, servo motor 16's output fixedly connected with reduction gear, the output fixedly connected with first threaded rod 17 of reduction gear, the interior top swing joint between two parties of freezer 2 has second threaded rod 18, first conical gear 19 has been cup jointed to the surface of first threaded rod 17, second conical gear 20 has been cup jointed to the surface of second threaded rod 18, first conical gear 19 is connected with the meshing of second conical gear 20, sliding connection has slide 21 on the second threaded rod 18, the bottom fixed mounting of slide 21 has shower nozzle 22, the top fixedly connected with rubber hose 23 of shower nozzle 22, the inner chamber of liquid nitrogen box 3 is provided with drawing liquid pump 24, the output fixedly connected with connecting pipe 25 of drawing liquid pump 24, the other end of connecting pipe 25 communicates with each other with rubber hose 23 through mounting sleeve 26.

Referring to fig. 1, a visual window 6, a temperature sensor 7 and a controller 8 are fixedly installed on the front end face of the freezing chamber 2, the temperature sensor 7 and the controller 8 are respectively located on two sides of the visual window 6, the visual window 6 can facilitate observation of the freezing chamber 2, and the temperature sensor 7 and the controller 8 can monitor the temperature in the freezing chamber 2 so as to adjust the temperature of the freezing chamber 2.

Referring to fig. 1 and 2, both side ends of the freezing chamber 2 are fixedly connected with mounting frames 9, which are convenient for placing articles and receiving the fresh meat conveyed after quick freezing.

Referring to fig. 2, a reducer is disposed on an output shaft of the driving motor 10 to facilitate uniform rotation of the conveyor belt 15.

Referring to fig. 3 and 4, both ends of the second threaded rod 18 are movably connected to the inner walls of the freezing chamber 2 through bearings, so that the second threaded rod 18 can rotate in the freezing chamber 2.

Referring to fig. 5, sealing rings are fixedly installed at the joints of the rubber hose 23, the connecting pipe 25 and the mounting sleeve 26, so that liquid nitrogen leakage can be avoided.

Referring to fig. 3, a valve is disposed on the connection pipe 25 to facilitate the adjustment of the flow rate of the liquid nitrogen.

Referring to fig. 5, the slide base 21 is in communication with the nozzle 22 and the rubber hose 23, so that liquid nitrogen can be conveniently sprayed from the nozzle 22.

It should be noted that, the utility model is a device for sterilizing fresh meat by using quick-frozen liquid nitrogen, when in use, the frame 1 is moved to a designated position, the shutter door 5 is opened, the driving motor 10 is started, the driving motor 10 drives the driving wheel 11 to rotate, so that the belt 12 drives the first gear 13 to rotate, the first gear 13 drives the conveyor belt 15 to rotate, the worker puts the fresh meat on the conveyor belt 15 to enter the inside of the freezing chamber 2 under the transmission of the conveyor belt 15, meanwhile, the servo motor 16 and the liquid pump 24 are started, the servo motor 16 drives the first threaded rod 17 to rotate, the first threaded rod 17 drives the first conical gear 19 to rotate, as the first conical gear 19 is meshed with the second conical gear 20, the second conical gear 20 drives the second threaded rod 18 to rotate, so that the slide 21 moves back and forth on the second threaded rod 18, the liquid pump 24 pumps the liquid nitrogen in the liquid nitrogen tank 3 into the rubber hose 23, then the fresh meat is sprayed out through the spray head 22, the temperature in the freezing chamber 2 is rapidly reduced at the moment, the fresh meat is subjected to quick freezing treatment, bacteria in the fresh meat are killed at a low temperature, the quick-frozen fresh meat is conveyed out from the inlet and outlet 4 through the conveying belt 15, if the fresh meat does not need to be conveyed out of the freezing chamber 2, when the fresh meat enters the freezing chamber 2, the driving motor 10 and the inlet and outlet 4 are closed, the freezing chamber 2 forms a closed space, the fresh meat is quickly frozen and stored, the condition that the fresh meat in the freezing chamber 2 is quickly frozen is observed through the visual window 6, the temperature in the freezing chamber 2 is known through the temperature sensor 7, and therefore information is transmitted to the controller 8, and a proper temperature is set; the utility model carries out quick freezing sterilization on the fresh meat through the liquid nitrogen, shortens the freezing time, ensures the quality of the fresh meat and prolongs the quality guarantee period of the fresh meat.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an utilize quick-freeze liquid nitrogen to carry out germicidal treatment's device to bright meat, includes frame (1), freezer (2) and liquid nitrogen case (3), its characterized in that: the freezing chamber (2) is arranged on the upper end face of the frame (1), the liquid nitrogen box (3) is arranged in the middle of the upper end face of the freezing chamber (2), the two side faces of the freezing chamber (2) are provided with the entrances and exits (4), the entrances and exits (4) are movably connected with the rolling door (5), the two sides inside the frame (1) are respectively provided with a first gear (13) and a second gear (14), the inner bottom of the frame (1) is fixedly provided with a driving motor (10), the output shaft of the driving motor (10) is fixedly provided with a driving wheel (11), the outer surface of the driving wheel (11) is sleeved with a belt (12), the other end of the belt (12) is sleeved with the first gear (13), and a conveying belt (15) is movably connected between the first gear (13) and the second gear (14);

fixed mounting has servo motor (16) on the interior top rear side wall of freezer (2), the output fixedly connected with reduction gear of servo motor (16), the first threaded rod of output fixedly connected with (17) of reduction gear, the interior top position swing joint placed in the middle of freezer (2) has second threaded rod (18), first conical gear (19) has been cup jointed to the surface of first threaded rod (17), second conical gear (20) has been cup jointed to the surface of second threaded rod (18), first conical gear (19) is connected with second conical gear (20) meshing, sliding connection has slide (21) on second threaded rod (18), the bottom fixed mounting of slide (21) has shower nozzle (22), the top fixedly connected with rubber hose (23) of shower nozzle (22), the inner chamber of liquid nitrogen case (3) is provided with drawing liquid pump (24), the output end of the liquid pump (24) is fixedly connected with a connecting pipe (25), and the other end of the connecting pipe (25) is communicated with the rubber hose (23) through a mounting sleeve (26).

2. The apparatus for sterilization of fresh meat using quick-frozen liquid nitrogen as claimed in claim 1, wherein: the front end face of the freezing chamber (2) is fixedly provided with a visual window (6), a temperature sensor (7) and a controller (8), and the temperature sensor (7) and the controller (8) are respectively positioned on two sides of the visual window (6).

3. The apparatus for sterilization of fresh meat using quick-frozen liquid nitrogen as claimed in claim 1, wherein: the two side ends of the freezing chamber (2) are fixedly connected with mounting frames (9).

4. The apparatus for sterilization of fresh meat using quick-frozen liquid nitrogen as claimed in claim 1, wherein: and a speed reducer is arranged on an output shaft of the driving motor (10).

5. The apparatus for sterilization of fresh meat using quick-frozen liquid nitrogen as claimed in claim 1, wherein: and two ends of the second threaded rod (18) are movably connected with the inner walls of the two sides of the freezing chamber (2) through bearings.

6. The apparatus for sterilization of fresh meat using quick-frozen liquid nitrogen as claimed in claim 1, wherein: and sealing rings are fixedly arranged at the joints of the rubber hose (23), the connecting pipe (25) and the mounting sleeve (26).

7. The apparatus for sterilization of fresh meat using quick-frozen liquid nitrogen as claimed in claim 1, wherein: a valve is arranged in the connecting pipe (25).

8. The apparatus for sterilization of fresh meat using quick-frozen liquid nitrogen as claimed in claim 1, wherein: the sliding seat (21) is communicated with the spray head (22) and the rubber hose (23).