Constant temperature device for processing and producing environment of prefabricated vegetables

Abstract

The utility model discloses a prefabricated vegetable processing production environment constant temperature device which comprises a constant temperature box, the bottom of the constant temperature box is fixedly connected with a base, two storage bins are arranged in the constant temperature box, bottom grooves are formed in the bottoms in the two storage bins, and placing plates are horizontally arranged at the bottoms in the two storage bins in a sliding mode. Sliding mechanisms for sliding the placing plates are arranged in the two storage bins, cleaning mechanisms are arranged in the two bottom grooves, two sealing door plates are installed on the surface of the constant-temperature box, the two sealing door plates are rotationally connected to the surfaces of the two storage bins, a refrigeration box is installed on one side of the surface of the constant-temperature box, and an air circulation mechanism is arranged on the surface of the constant-temperature box. According to the device, air circulation can be conducted on the interior of the device, the constant-temperature effect is kept in the device, meanwhile, prefabricated dishes can be placed through the two placing plates, meanwhile, when the prefabricated dishes are taken and placed, the scraping plate can horizontally slide, dirt left at the bottom can be conveniently discharged, and therefore the using effect of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of constant temperature devices for pre-prepared dishes, in particular to a constant temperature device for a processing and production environment of pre-prepared dishes. Background Art

[0002] Pre-prepared meals are foods that have been processed and treated and can be eaten directly or after being heated. These foods usually go through processes such as cleaning, cutting, and cooking to make them easy for consumers to prepare and enjoy quickly. Pre-prepared meals usually include a variety of vegetables, fruits, meats, seafood and other ingredients, which can be frozen, vacuum-packed or canned. The advantage of pre-prepared meals is that they are convenient and fast, saving time and energy, but some people worry that they may contain additives or lose some nutritional value.

[0003] The processing and production of pre-prepared dishes can improve the utilization rate of ingredients, reduce food waste, and also facilitate the lives of consumers. However, during the processing, attention should be paid to hygiene and safety and food quality to avoid adding harmful substances and losing nutritional value. Therefore, it is necessary to use a constant temperature device in the production process to keep the pre-prepared dishes warm to prevent the pre-prepared dishes from spoiling due to temperature. However, most of the existing constant temperature devices for pre-prepared dishes do not have a self-cleaning function, and the pre-prepared dishes are prone to spilling the internal dishes or soup during the process of taking and placing, resulting in a lot of dirt inside the constant temperature device, and long-term use will have a certain impact on the environment, and it is necessary to continue cleaning it frequently, which will be more troublesome when using it. Some constant temperature devices are not very convenient for taking and placing pre-prepared dishes, and it is not very convenient to take and place them together when placed inside. Therefore, it is urgent to solve the above problems. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a constant temperature device for a pre-prepared food processing and production environment.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A constant temperature device for a pre-prepared food processing and production environment, comprising a constant temperature box, a base fixedly connected to the bottom of the constant temperature box, two storage bins are arranged inside the constant temperature box, bottoms of the two storage bins are arranged with bottom grooves, bottoms of the two storage bins are arranged with placement plates that slide horizontally, sliding mechanisms for sliding placement plates are arranged inside the two storage bins, cleaning mechanisms are arranged inside the two bottom grooves, two sealing door panels are installed on the surface of the constant temperature box, the two sealing door panels are rotatably connected to the surfaces of the two storage bins, a refrigeration box is installed on one side of the surface of the constant temperature box, an air circulation mechanism is arranged on the surface of the constant temperature box, the device can circulate air inside to keep the inside of the device at a constant temperature, and pre-prepared food can be placed through the two placement plates, and the scraper can slide horizontally while taking and placing the pre-prepared food, so as to facilitate the discharge of dirt remaining on the bottom, thereby improving the use effect of the device.

[0007] As a further solution of the utility model, two support plates are fixedly connected to the symmetrical sides of the surface of the constant temperature box, the four support plates form a pair of two, the bottoms of the two sealed door panels are connected to the inside of the two pairs of support plates, sealing sleeves are installed on the surfaces of the two sealed door panels close to the constant temperature box, handles are fixedly connected to the surfaces of the two sealed door panels, lock bodies are installed on the surfaces of the two sealed door panels, the two lock bodies are respectively matched with the inside of the two storage bins, a fixing plate is horizontally fixedly connected to the surface of the constant temperature box close to the sealed door panels, and the two fixing plates are respectively arranged at the bottom of the two sealed door panels for sealing the surface of the device, thereby improving the thermal insulation effect of the device.

[0008] As a further scheme of the utility model, the sliding mechanism includes a conveyor belt, and multiple round rollers are rotatably connected to the opposite sides of the storage bin, and the multiple round rollers are arranged in two pairs, and the two pairs of round rollers are arranged horizontally. There are two conveyor belts, and the two conveyor belts are respectively rotatably connected to the opposite sides of the storage bin, and the two conveyor belts are respectively sleeved on the surfaces of the two pairs of round rollers, and the two conveyor belts are respectively arranged on the top of the two fixed strips, and the two bottom of the placement plate are respectively arranged on the top of the two conveyor belts, and the bottom of the placement plate away from the sealing door plate is fixedly connected to the surfaces of the two conveyor belts, and the surface of the placement plate is provided with multiple leakage grooves, and a handle is fixedly connected to the top of the placement plate, and two support blocks are vertically fixedly connected to the bottom of the placement plate close to the sealing door plate, and the bottoms of the two support blocks are rotatably connected to rollers, and the two rollers roll on the tops of the two fixed strips respectively, and the two rollers cooperate with the surface of the sealing door plate to slide the two placement plates horizontally, and at the same time, each conveyor belt will also rotate.

[0009] As a further solution of the present invention, the cleaning mechanism includes a scraper, a cross bar is horizontally slidable inside the bottom groove, cross grooves are provided on opposite sides of the bottom groove, two ends of the cross bar slide inside the two cross grooves respectively, the scraper is fixedly connected to the bottom of the cross bar, the scraper slides at the bottom of the bottom groove, two connecting columns are fixedly connected to the top of the cross bar, the tops of the two connecting columns are fixedly connected to the bottoms of the two conveyor belts respectively, a sewage trough is provided on the side away from the sealing door panel inside the two bottom grooves, two receiving boxes are fixedly connected to the side of the thermostatic box away from the sealing door panel, the two receiving boxes are respectively arranged on the surfaces of the two sewage troughs, a storage box is fixedly connected to the surface of the base, a sewage pipe is vertically fixedly connected to the top of the storage box, the sewage pipe is connected to the inside of the storage box, the sewage pipe is fixedly connected to the surfaces of the two receiving boxes, and the two receiving boxes are connected to the inside of the sewage pipe, which is used to make the cross bar and the scraper slide at the same time when the placement plate slides, thereby facilitating the cleaning of the inside of the device, thereby keeping the inside of the device cleaner.

[0010] As a further scheme of the utility model, the air circulation mechanism includes a fan, and two air inlets and two circulation ports are provided on the surface of the constant temperature box close to the refrigeration box. Exhaust boxes are installed on the tops of the two storage bins. Two fans are provided, and the two fans are respectively installed inside the two exhaust boxes. Connecting pipes are installed on the tops of the two storage bins, and one end of the two connecting pipes is installed on the surface of the exhaust box. The two connecting pipes are respectively connected to the interior of the two exhaust boxes, and the two connecting pipes are respectively arranged inside the two air inlets. The two connecting pipes are both connected to the refrigeration box. Two circulation pipes are fixedly connected to the surface of the refrigeration box, and the two circulation pipes are fixedly connected to the surface of the constant temperature box. The two circulation pipes are respectively arranged on the surfaces of the two circulation ports, which are used to circulate air inside the device to keep the interior of the device at a constant temperature.

[0011] The beneficial effects of the utility model are:

[0012] 1. When in use, the sealed door panel can be opened, and the sealed door panel will be kept in a horizontal state under the support of the fixed plate, and then the placement board inside the storage bin can be pulled out. Under the setting of the roller, the roller will slide on the surface of the sealed door panel, and at the same time, the placement board will be supported, so that the placement and removal of pre-prepared dishes will be more stable.

[0013] 2. When in use, the device can circulate air inside to maintain a constant temperature inside the device. At the same time, pre-prepared dishes can be placed through two placement plates. While taking and placing the pre-prepared dishes, the scraper can slide horizontally to facilitate the discharge of dirt remaining at the bottom, thereby improving the use effect of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a front view of the constant temperature device for the pre-prepared food processing and production environment proposed by the utility model;

[0015] Figure 2 This is a cross-sectional view of the internal structure of the thermostatic box of the thermostatic device for the pre-prepared food processing and production environment proposed by the utility model;

[0016] Figure 3 This is a schematic diagram of the internal structure of the thermostatic box of the thermostatic device for the pre-prepared food processing and production environment proposed by the utility model;

[0017] Figure 4 This is a schematic diagram of the sliding mechanism of the constant temperature device for the pre-prepared food processing and production environment proposed by the utility model;

[0018] Figure 5 This is a partial structural schematic diagram of a constant temperature device for a pre-prepared food processing and production environment proposed by the utility model;

[0019] Figure 6 This is a schematic diagram of the surface structure of the thermostatic box of the thermostatic device for the pre-prepared food processing and production environment proposed by the utility model;

[0020] Figure 7 This is a schematic diagram of the surface structure of the thermostatic box of the thermostatic device for the pre-prepared food processing and production environment proposed by the utility model;

[0021] Figure 8 This is a schematic diagram of the air circulation mechanism of the constant temperature device for the pre-prepared food processing production environment proposed by the utility model.

[0022] In the figure: 1. Constant temperature box; 11. Base; 12. Storage bin; 13. Bottom groove; 14. Fixing strip; 15. Horizontal groove; 16. Drain trough; 17. Fixing plate; 18. Support plate; 19. Round roller; 110. Conveyor belt; 111. Air inlet; 112. Circulation port; 2. Sealing door panel; 21. Handle; 22. Lock body; 3. Refrigeration box; 31. Circulation pipe; 32. Connecting pipe; 33. Exhaust box; 34. Fan; 4. Cross bar; 41. Scraper; 42. Connecting column; 5. Placement plate; 51. Drain trough; 52. Handle; 53. Support block; 54. Roller; 6. Receiving box; 61. Drain pipe; 62. Storage box. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0024] Reference Figure 1-Figure 8, a constant temperature device for a pre-prepared food processing and production environment, comprising a constant temperature box 1, a base 11 is fixedly connected to the bottom of the constant temperature box 1, two storage bins 12 are arranged inside the constant temperature box 1, bottoms of the two storage bins 12 are arranged with bottom grooves 13, bottoms of the two storage bins 12 are arranged with placement plates 5 that slide horizontally, the two storage bins 12 are arranged with sliding mechanisms for sliding the placement plates 5, cleaning mechanisms are arranged inside the two bottom grooves 13, two sealing door panels 2 are arranged on the surface of the constant temperature box 1, the two sealing door panels 2 are rotatably connected to the surfaces of the two storage bins 12, a refrigeration box 3 is arranged on one side of the surface of the constant temperature box 1, an air circulation mechanism is arranged on the surface of the constant temperature box 1, the device can circulate air inside to keep the inside of the device at a constant temperature, and pre-prepared food can be placed through the two placement plates 5, and when the pre-prepared food is taken out and placed, the scraper 41 can slide horizontally, so as to facilitate the discharge of dirt remaining at the bottom, thereby improving the use effect of the device.

[0025] Reference Figure 1 and Figure 2 In a preferred embodiment, two support plates 18 are fixedly connected on both symmetrical sides of the surface of the thermostatic box 1, and the four support plates 18 form a pair of two. The bottoms of the two sealed door panels 2 are connected to the inside of the two pairs of support plates 18. Sealing sleeves are installed on the surfaces of the two sealed door panels 2 close to the thermostatic box 1. Handles 21 are fixedly connected on the surfaces of the two sealed door panels 2. Lock bodies 22 are installed on the surfaces of the two sealed door panels 2. The two lock bodies 22 respectively cooperate with the inside of the two storage bins 12. A fixing plate 17 is horizontally fixedly connected on the surface of the thermostatic box 1 close to the sealed door panels 2. The two fixing plates 17 are respectively arranged at the bottom of the two sealed door panels 2, which are used to seal the surface of the device, thereby improving the thermal insulation effect of the device.

[0026] Reference Figure 2 , Figure 3 and Figure 4In a preferred embodiment, the sliding mechanism includes a conveyor belt 110, and multiple round rollers 19 are rotatably connected on both opposite sides of the storage bin 12. The multiple round rollers 19 are arranged in two pairs, and the two pairs of round rollers 19 are arranged horizontally. There are two conveyor belts 110, and the two conveyor belts 110 are rotatably connected to the opposite sides of the storage bin 12 respectively. The two conveyor belts 110 are respectively sleeved on the surfaces of the two pairs of round rollers 19. The two conveyor belts 110 are respectively arranged on the top of the two fixed strips 14, and the two bottom plates 5 are respectively arranged on the top of the two conveyor belts 110. The bottom of one end of the plate 5 away from the sealing door panel 2 is fixedly connected to the surfaces of the two conveyor belts 110, a plurality of leakage grooves 51 are arranged on the surface of the placement plate 5, a handle 52 is fixedly connected to the top of the placement plate 5, and the bottom of one end of the placement plate 5 close to the sealing door panel 2 is vertically fixedly connected to two support blocks 53, the bottoms of the two support blocks 53 are both rotatably connected to rollers 54, the two rollers 54 roll on the tops of the two fixed strips 14 respectively, the two rollers 54 are matched with the surface of the sealing door panel 2, and are used to slide the two placement plates 5 horizontally, and at the same time, each conveyor belt 110 will also rotate.

[0027] Reference Figure 4 , Figure 5 , Figure 6 and Figure 7 In a preferred embodiment, the cleaning mechanism includes a scraper 41, a horizontally sliding cross bar 4 is provided inside the bottom groove 13, and cross grooves 15 are provided on opposite sides of the bottom groove 13. The two ends of the cross bar 4 slide in the two cross grooves 15 respectively. The scraper 41 is fixedly connected to the bottom of the cross bar 4, and the scraper 41 slides at the bottom of the bottom groove 13. Two connecting columns 42 are fixedly connected to the top of the cross bar 4. The tops of the two connecting columns 42 are respectively fixedly connected to the bottoms of the two conveyor belts 110. A sewage trough 16 is provided on one side of the two bottom grooves 13 away from the sealing door panel 2, and the surface of the thermostat 1 is away from the sealing Two receiving boxes 6 are fixedly connected to one side of the door panel 2. The two receiving boxes 6 are respectively arranged on the surfaces of two sewage troughs 16. A storage box 62 is fixedly connected to the surface of the base 11. A sewage pipe 61 is vertically fixedly connected to the top of the storage box 62. The sewage pipe 61 is connected to the inside of the storage box 62. The sewage pipe 61 is fixedly connected to the surfaces of the two receiving boxes 6. Both receiving boxes 6 are connected to the inside of the sewage pipe 61, which is used to make the cross bar 4 and the scraper 41 slide at the same time when the placement plate 5 slides, thereby facilitating the cleaning of the inside of the device, thereby keeping the inside of the device cleaner.

[0028] Reference Figure 6 , Figure 7 and Figure 8In a preferred embodiment, the air circulation mechanism includes a fan 34, two air inlets 111 and two circulation ports 112 are provided on the surface of the thermostat 1 near the refrigeration box 3, exhaust boxes 33 are installed on the tops of the two storage bins 12, two fans 34 are provided, and the two fans 34 are respectively installed inside the two exhaust boxes 33, and connecting pipes 32 are installed on the tops of the two storage bins 12, one end of the two connecting pipes 32 are installed on the surface of the exhaust box 33, and the two connecting pipes 32 are respectively connected to the inside of the two exhaust boxes 33, and the two connecting pipes 32 are respectively arranged inside the two air inlets 111, and the two connecting pipes 32 are connected to the refrigeration box 3, and two circulation pipes 31 are fixedly connected to the surface of the thermostat 1, and the two circulation pipes 31 are respectively arranged on the surfaces of the two circulation ports 112, which are used to circulate air inside the device so that the inside of the device is always kept at a constant temperature.

[0029] From the above description, it can be seen that the above-mentioned embodiment of the utility model achieves the following technical effects: in actual use, the device can circulate air inside to maintain a constant temperature inside the device, and pre-prepared dishes can be placed through the two placement plates 5. At the same time, when the pre-prepared dishes are taken out and placed, the scraper 41 can slide horizontally, so as to facilitate the discharge of dirt remaining at the bottom, thereby improving the use effect of the device. When in use, the sealed door panel 2 on the surface of the device can be opened, and the sealed door panel 2 can be kept in a horizontal state under the support of the fixing plate 17, and then the placement plate 5 inside the storage bin 12 can be pulled out and slid out. Under the setting of the roller 54, the roller 54 can slide on the surface of the sealed door panel 2, and at the same time support the placement plate 5, and the sliding of the placement plate 5 will also drive the conveyor belt 110 to rotate, and the connection of the connecting column 42 Next, the cross bar 4 and the scraper 41 at the bottom of the placement plate 5 will slide to scrape the dirt at the bottom of the bottom groove 13, and then discharge it through the drain groove 16, so that when the pre-prepared dishes are placed, the remaining objects will fall into the bottom groove 13 due to gravity and are easier to clean. Then the dirt will flow into the storage box 62 through the receiving box 6 and the drain pipe 61, and can be collected and processed. The refrigeration box 3 on the surface of the device is equipped with structures such as a compressor and a refrigerator. At the same time, the structures inside the refrigeration box 3 are all existing technologies and are not introduced in detail here. Through the setting of the refrigeration box 3 and the fan 34, the cold air inside the refrigeration box 3 can be blown into the two storage bins 12, and then the air inside the two storage bins 12 is circulated through the two circulation pipes 31, so that the inside of the device is kept at a constant temperature, thereby improving the use effect of the device.

[0030] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0031] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0032] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein, for example. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units that are clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0033] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. 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 thermostatic device for a pre-prepared food processing and production environment, comprising a thermostatic box (1), characterized in that: The bottom of the thermostatic box (1) is fixedly connected to a base (11), two storage bins (12) are arranged inside the thermostatic box (1), the bottoms of the two storage bins (12) are both provided with bottom grooves (13), the bottoms of the two storage bins (12) are both provided with horizontally sliding placement plates (5), the insides of the two storage bins (12) are both provided with sliding mechanisms for sliding the placement plates (5), the insides of the two bottom grooves (13) are both provided with cleaning mechanisms, the surface of the thermostatic box (1) is provided with two sealing door panels (2), the two sealing door panels (2) are both rotatably connected to the surfaces of the two storage bins (12), a refrigeration box (3) is installed on one side of the surface of the thermostatic box (1), and the surface of the thermostatic box (1) is provided with an air circulation mechanism.

2. The constant temperature device for pre-prepared food processing and production environment according to claim 1 is characterized in that: Two support plates (18) are fixedly connected to both sides of the surface of the thermostatic box (1), and the four support plates (18) form a pair. The bottoms of the two sealed door panels (2) are connected to the inside of the two pairs of support plates (18). Sealing sleeves are installed on the surfaces of the two sealed door panels (2) close to the thermostatic box (1). Handles (21) are fixedly connected to the surfaces of the two sealed door panels (2). Lock bodies (22) are installed on the surfaces of the two sealed door panels (2). The two lock bodies (22) are respectively matched with the inside of the two storage bins (12). A fixing plate (17) is horizontally fixedly connected to the surface of the thermostatic box (1) close to the sealing door panels (2). The two fixing plates (17) are respectively arranged at the bottom of the two sealing door panels (2).

3. The constant temperature device for pre-prepared food processing and production environment according to claim 1 is characterized in that: The sliding mechanism comprises a conveyor belt (110), and a plurality of round rollers (19) are rotatably connected on opposite sides of the storage bin (12), and the plurality of round rollers (19) are arranged in two pairs, and the two pairs of round rollers (19) are arranged horizontally. Two conveyor belts (110) are provided, and the two conveyor belts (110) are rotatably connected to opposite sides of the storage bin (12), and the two conveyor belts (110) are respectively sleeved on the surfaces of the two pairs of round rollers (19), and the two conveyor belts (110) are respectively arranged on the tops of two fixed bars (14).

4. The constant temperature device for pre-prepared food processing and production environment according to claim 3 is characterized in that: The two bottom portions of the placement plate (5) are respectively arranged on the top portions of the two conveyor belts (110); the bottom portion of the placement plate (5) away from the sealing door plate (2) is fixedly connected to the surfaces of the two conveyor belts (110); a plurality of drain grooves (51) are arranged on the surface of the placement plate (5); a handle (52) is fixedly connected to the top portion of the placement plate (5); the bottom portion of the placement plate (5) close to the sealing door plate (2) is vertically fixedly connected to two support blocks (53); the bottom portions of the two support blocks (53) are both rotatably connected to rollers (54); the two rollers (54) respectively roll on the top portions of the two fixing bars (14); and the two rollers (54) are both matched with the surfaces of the sealing door plates (2).

5. The constant temperature device for pre-prepared food processing and production environment according to claim 1 is characterized in that: The cleaning mechanism comprises a scraper (41), a cross bar (4) is horizontally slidable inside the bottom groove (13), cross grooves (15) are provided on opposite sides inside the bottom groove (13), two ends of the cross bar (4) slide inside the two cross grooves (15) respectively, the scraper (41) is fixedly connected to the bottom of the cross bar (4), the scraper (41) slides on the bottom of the bottom groove (13), the top of the cross bar (4) is fixedly connected to two connecting columns (42), and the top ends of the two connecting columns (42) are respectively fixedly connected to the bottoms of two conveyor belts (110).

6. The constant temperature device for pre-prepared food processing and production environment according to claim 5, characterized in that: A sewage trough (16) is provided inside the two bottom grooves (13) on a side away from the sealing door panel (2); two receiving boxes (6) are fixedly connected to the surface of the thermostatic box (1) on a side away from the sealing door panel (2); the two receiving boxes (6) are respectively arranged on the surfaces of the two sewage troughs (16); a storage box (62) is fixedly connected to the surface of the base (11); a sewage pipe (61) is vertically fixedly connected to the top of the storage box (62); the sewage pipe (61) is connected to the inside of the storage box (62); the sewage pipe (61) is fixedly connected to the surfaces of the two receiving boxes (6); and the two receiving boxes (6) are connected to the inside of the sewage pipe (61).

7. The constant temperature device for pre-prepared food processing and production environment according to claim 1, characterized in that: The air circulation mechanism comprises a fan (34); two air inlets (111) and two circulation ports (112) are arranged on the surface of the thermostatic box (1) close to the refrigeration box (3); exhaust boxes (33) are installed on the tops of the two storage bins (12); two fans (34) are provided, and the two fans (34) are respectively installed inside the two exhaust boxes (33); connecting pipes (32) are installed on the tops of the two storage bins (12); one end of the two connecting pipes (32) is installed on the surface of the exhaust box (33); and the two connecting pipes (32) are respectively connected to the inside of the two exhaust boxes (33).

8. The constant temperature device for pre-prepared food processing and production environment according to claim 7, characterized in that: The two connecting pipes (32) are respectively arranged inside the two air inlets (111); the two connecting pipes (32) are both connected to the refrigeration box (3); the surface of the refrigeration box (3) is fixedly connected to two circulation pipes (31); the two circulation pipes (31) are both fixedly connected to the surface of the constant temperature box (1); and the two circulation pipes (31) are respectively arranged on the surfaces of the two circulation ports (112).

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