阅读说明：本技术 一种冷冻食品快速解冻设备及快速解冻方法 (Frozen food rapid thawing equipment and rapid thawing method ) 是由 李春梅 张蜀艳 张德荣 刘晓莉 肖磊 周晓美 何琼 李启芳 于 2021-06-02 设计创作，主要内容包括：本发明公开了一种冷冻食品快速解冻设备及快速解冻方法,涉及食品加工技术领域,主要为了解决现有设备解冻不充分、不均匀、耗时长的问题；包括箱体、设于箱体内用于放置冷冻食品的网框以及用于向冷冻食品吹热风的热风单元,热风单元包括：安装架、第一驱动机构、热风组件,热风组件包括第一动力源、转盘、安装杆、喷管、支管和连杆,还包括有蒸汽单元,蒸汽单元包括喷气组件和用于驱动喷气组件转动的第二驱动机构,喷气组件包括第二转轴、安装件和硬气管,设有热风单元,周向对网框吹热风,带动喷管摆动,进一步扩大了解冻范围,提高了效率；设有蒸汽单元,进行旋转式曝气,使得水蒸气加速、旋转式升腾,更加充分、均匀解冻,提高了效率。(The invention discloses a quick thawing device and a quick thawing method for frozen food, relates to the technical field of food processing, and mainly aims to solve the problems of insufficient thawing, non-uniformity and long time consumption of the conventional device; including the box, locate the box in be used for placing the screen frame of frozen food and be used for blowing hot-blast hot air unit to frozen food, hot air unit includes: the hot air assembly comprises a first power source, a rotary table, an installation rod, a spray pipe, a branch pipe, a connecting rod and a steam unit, the steam unit comprises a jet assembly and a second driving mechanism used for driving the jet assembly to rotate, the jet assembly comprises a second rotating shaft, an installation part and a hard air pipe, the hot air unit is arranged, hot air is blown to the net frame in the circumferential direction, the spray pipe is driven to swing, the defrosting range is further expanded, and the efficiency is improved; the steam unit is arranged for rotary aeration, so that the water vapor is accelerated and rises in a rotary manner, the thawing is more sufficient and uniform, and the efficiency is improved.)

1. The utility model provides a quick thawing equipment of frozen food, includes the box, locate the box in be used for placing the screen frame of frozen food and be used for blowing hot-blast hot air unit to frozen food, its characterized in that, hot air unit includes:

the mounting frame is arranged on the outer side of the screen frame;

the first driving mechanism is used for driving the mounting rack to rotate; and

hot-blast subassembly, it install in on the mounting bracket, a plurality of hot-blast subassemblies distribute in screen frame week side, hot-blast subassembly includes first power supply, carousel, installation pole, spray tube, branch pipe and connecting rod, first power supply is installed on the mounting bracket, installs the carousel on the output shaft of first power supply, and one side that first power supply was kept away from to the carousel is equipped with the installation pole, and installation pole one end is articulated with the mounting bracket, and the spray tube is installed to the installation pole other end, is connected with the third air supply pipe on the spray tube, the eccentric round pin axle that is fixed with on the carousel, set up on the installation pole and supply the round pin axle to insert and the movable groove of activity, the one end that the installation pole is close to the spray tube articulates there is the branch pipe, it has the connecting rod to sell epaxial articulated one end and the branch pipe that has kept away from the round pin axle for the connecting rod.

2. The frozen food rapid-thawing apparatus according to claim 1, wherein the first driving mechanism comprises a second power source, a gear pair and a first rotating shaft, the second power source is mounted on the box body, the first rotating shaft is rotatably connected with the box body and fixedly connected with the mounting frame, and the second power source is drivingly connected with the first rotating shaft through the gear pair.

3. The apparatus of claim 2, wherein the first shaft is hollow, an end of the first shaft remote from the mounting frame is inserted into the first air supply pipe and is rotatably connected to the first air supply pipe, the first air supply pipe is connected to an output port of the hot air blower, a dust cover is disposed outside the hot air blower, and the third air supply pipe is connected to an inner cavity of the first shaft.

4. The frozen food fast thawing equipment according to claim 1, further comprising a steam unit, wherein the steam unit is arranged below the net frame, the steam unit comprises a gas injection assembly and a second driving mechanism for driving the gas injection assembly to rotate, the gas injection assembly comprises a second rotating shaft, a mounting part and a hard gas pipe, the second rotating shaft is rotatably connected with the box body, the mounting part is mounted at one end, close to the net frame, of the second rotating shaft, the hard gas pipe is mounted at one side, close to the net frame, of the mounting part, a plurality of gas injection holes are formed in the hard gas pipe, a fourth gas supply pipe is connected to the hard gas pipe, and the second driving mechanism is connected with the second rotating shaft in a driving mode.

5. The frozen food fast thawing device according to claim 1, wherein the air injection assembly further comprises a power mechanism for driving the hard air pipes to swing back and forth, the two hard air pipes are arranged in a crossing manner and are hinged at the middle part, one of the two hard air pipes is hinged with the mounting part, the other hard air pipe is hinged with a sliding part, the sliding part is connected with the mounting part in a sliding manner, the power mechanism comprises a driving sleeve, a moving part, a corrugated ring and a transition ring, the moving part is slidably mounted on the mounting part, a second elastic part is connected between the moving part and the mounting part, the moving part is movably provided with the moving part in a penetrating manner, one end of the moving part, which is close to the hard air pipes, is hinged with the driving sleeve, the driving sleeve is movably sleeved on the hard air pipes hinged with the mounting part, the other end of the moving part is abutted against the fixing part, the fixing part is fixed at the bottom of the inner cavity of the box body, and comprises a plurality of corrugated rings which are concentrically arranged and have different diameters, the wave-shaped rings are arranged in the radial direction, the height of each wave-shaped ring is increased gradually, the upper surfaces of the wave-shaped rings are in a wave shape, and the upper surfaces of the transition rings are inclined planes.

6. The apparatus as claimed in claim 5, wherein the second shaft is hollow, a second air supply pipe is inserted into and rotatably connected to an end of the second shaft remote from the mounting member, the fourth air supply pipe is communicated with an inner cavity of the second shaft, the second air supply pipe is communicated with an air outlet of a blower, and a dust cover is mounted on the exterior of the blower.

7. The device for rapidly thawing the frozen food according to claim 1, wherein a partition plate is arranged between the screen frame and the steam unit, through holes are uniformly formed in the partition plate, a through hole is formed in the partition plate, a support member is arranged in the through hole in a penetrating manner, a first elastic member is connected between the support member and the inner wall of the through hole, the screen frame is rotatably connected with the top of the support member, and a floating body is arranged at the bottom end of the support member.

8. The quick thawing apparatus for frozen food as claimed in claim 7, wherein a supporting rod is concentrically installed in said through hole, a first spiral fan blade is installed at the bottom end of said supporting rod, and an eccentric ball is eccentrically fixed at the top end of said supporting rod.

9. The device for rapidly thawing the frozen food according to claim 7, wherein a motor is installed in the floating body, an output shaft of the motor extends to a position below the floating body, a sliding rod is fixedly installed on the output shaft of the motor, a sliding sleeve is sleeved on the sliding rod, a third elastic member is connected with one end of the sliding sleeve and one end of the sliding rod, and a second spiral fan blade is installed at the bottom of the sliding sleeve.

10. A quick thawing method based on the quick thawing apparatus for frozen food according to any one of claims 1 to 9, characterized by comprising the steps of:

placing the frozen food into a net frame;

adding a proper amount of water into the box body;

and starting the first driving mechanism, and starting the hot air assembly to blow air to the frozen food.

Technical Field

The invention relates to the technical field of food processing, in particular to a quick thawing device and a quick thawing method for frozen food.

Background

In the food processing process, for example, some meat or fish and the like need to be frozen for being produced at ordinary times and for long years, before the frozen raw materials of the meat or fish come out of a cold storage and are processed, the raw materials need to be thawed, otherwise, the raw materials cannot be produced and processed;

when the existing unfreezing device is used for unfreezing, the problems of insufficient unfreezing and non-uniformity exist, so that the time consumption is long, and the production and processing efficiency is reduced.

Disclosure of Invention

The invention aims to provide a quick thawing device and a quick thawing method for frozen food, which aim to solve the problems.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a quick thawing equipment of frozen food, includes the box, locate the box in be used for placing the screen frame of frozen food and be used for blowing hot-blast hot air unit to frozen food, hot air unit includes:

the mounting frame is arranged on the outer side of the screen frame;

the first driving mechanism is used for driving the mounting rack to rotate;

the hot-blast subassembly, it is installed on the mounting bracket, and a plurality of hot-blast subassemblies distribute in screen frame week side, hot-blast subassembly includes first power supply, carousel, installation pole, spray tube, branch pipe and connecting rod, and first power supply is installed on the mounting bracket, installs the carousel on the output shaft of first power supply, and one side that first power supply was kept away from to the carousel is equipped with the installation pole, and installation pole one end is articulated with the mounting bracket, and the spray tube is installed to the installation pole other end, is connected with the third air supply pipe on the spray tube, the eccentric round pin axle that is fixed with on the carousel, set up the activity groove that supplies the round pin axle to insert and move about on the installation pole, the one end that the installation pole is close to the spray tube articulates there is the branch pipe, and the epaxial connecting rod that articulates of selling, the one end that the round pin axle was kept away from to the connecting rod is articulated with the branch pipe.

On the basis of the technical scheme, the invention also provides the following optional technical scheme:

in one alternative: first actuating mechanism includes second power supply, gear pair and first pivot, the second power supply is installed on the box, first pivot rotate with the box be connected and with mounting bracket fixed connection, the second power supply passes through the gear pair drive and connects first pivot.

In one alternative: the first rotating shaft is hollow, one end of the first rotating shaft, which is far away from the mounting frame, penetrates into the mounting frame and is rotatably connected with a first air supply pipe, the first air supply pipe is communicated with an output port of the air heater, a dust cover is arranged outside the air heater, and the third air supply pipe is communicated with an inner cavity of the first rotating shaft.

In one alternative: still including the steam unit, the screen frame below is located to the steam unit, and the steam unit includes jet-propelled subassembly and is used for driving jet-propelled subassembly pivoted second actuating mechanism, the jet-propelled subassembly includes second pivot, installed part and hard trachea, the second pivot rotates with the box to be connected, and the second pivot is close to the one end of screen frame and installs the installed part, the installed part is close to one side of screen frame and installs hard trachea, has seted up a plurality of fumaroles on the hard trachea, is connected with the fourth air supply pipe on the hard trachea, the second pivot is connected in the drive of second actuating mechanism.

In one alternative: the air injection assembly further comprises a power mechanism for driving the hard air pipes to swing in a reciprocating manner, the two hard air pipes are arranged in a crossed manner, the middle parts of the two hard air pipes are hinged, one of the two hard air pipes is hinged to the mounting part, the other hard air pipe is hinged to the sliding part, the sliding part is connected with the mounting part in a sliding manner, the power mechanism comprises a driving sleeve, a moving part, a corrugated ring and a transition ring, the moving part is mounted on the mounting part in a sliding manner, a second elastic part is connected between the moving part and the mounting part, the moving part is movably penetrated through the moving part, the end, close to the hard air pipes, of the moving part is hinged to the driving sleeve, the driving sleeve is movably sleeved on the hard air pipes hinged to the mounting part, the other end of the moving part is abutted to the fixing part, the fixing part is fixed to the bottom of the inner cavity of the box body and comprises a plurality of corrugated rings which are concentrically arranged in different diameters, and the transition ring is connected between the adjacent corrugated rings, the heights of the plurality of wave-shaped rings are increased along the radial direction, the upper surfaces of the wave-shaped rings are in wave shapes, and the upper surfaces of the transition rings are inclined planes.

In one alternative: the inside cavity of second pivot, the one end that the installed part was kept away from in the second pivot penetrates and rotates and be connected with the second air supply pipe, fourth air supply pipe and second pivot inner chamber intercommunication, the air outlet intercommunication of second air supply pipe and air-blower, air-blower externally mounted has the dust cover.

In one alternative: the steam generator is characterized in that a partition plate is arranged between the screen frame and the steam unit, through holes are uniformly formed in the partition plate, a through hole is formed in the partition plate, a support piece penetrates through the through hole, a first elastic piece is connected between the support piece and the inner wall of the through hole, the screen frame is rotatably connected with the top of the support piece, and a floating body is installed at the bottom end of the support piece.

In one alternative: and a plurality of fan plates are arranged on the bottom and the side wall of the screen frame.

In one alternative: a supporting rod is concentrically arranged in the through hole, a first spiral fan blade is arranged at the bottom end of the supporting rod, and an eccentric ball is eccentrically fixed at the top end of the supporting rod.

In one alternative: the floating body is internally provided with a motor, an output shaft of the motor extends to the lower part of the floating body, a sliding rod is fixedly arranged on the output shaft of the motor, the sliding rod is sleeved with a sliding sleeve, one end of the sliding sleeve and one end of the sliding rod are connected with a third elastic part, and second spiral fan blades are arranged at the bottom of the sliding sleeve.

Compared with the prior art, the invention has the following beneficial effects:

1. be equipped with hot-blast unit, hot-blast unit includes: the mounting frame is arranged on the outer side of the screen frame; the first driving mechanism is used for driving the mounting rack to rotate; the hot air assembly is mounted on the mounting frame, the hot air assemblies are distributed on the periphery of the screen frame, the hot air assembly comprises a first power source, a rotary table, mounting rods, a spray pipe, branch pipes and a connecting rod, the mounting frame is driven to rotate by a first driving mechanism, the mounting frame drives the hot air assemblies to rotate around the screen frame, hot air is blown to the screen frame in the circumferential direction, the hot air is fully and uniformly thawed, the rotary table is driven to rotate by the first power source, the rotary table drives the pin shaft to revolve, the pin shaft moves in the movable groove to drive the mounting rods to swing, the mounting rods drive the spray pipes to swing, the thawing range is further expanded, and the efficiency is improved more fully and uniformly;

2. be equipped with the steam unit, the screen frame below is located to the steam unit, and the steam unit includes jet-propelled subassembly and is used for driving jet-propelled subassembly pivoted second actuating mechanism, the jet-propelled subassembly includes second pivot, installed part and hard trachea, drives the second pivot through second actuating mechanism and rotates, and the second pivot drives the installed part and rotates, and the installed part drives the hard trachea and rotates, carries out the rotation type aeration for vapor is with higher speed, the rotation type rises, and is more abundant, evenly unfreezes, has improved efficiency.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a partially enlarged view of fig. 1.

Fig. 3 is a schematic structural diagram of another embodiment of the present invention.

Fig. 4 is a partially enlarged view of fig. 3.

Fig. 5 is a schematic structural diagram of another embodiment of the present invention.

Fig. 6 is a partially enlarged view of fig. 5.

Notations for reference numerals: 1-box, 2-electric heating element, 3-mounting piece, 4-hard air pipe, 5-floating body, 6-clapboard, 7-fan plate, 8-screen frame, 9-spray pipe, 10-branch pipe, 11-connecting rod, 12-mounting rod, 13-rotary table, 14-mounting frame, 15-first driving mechanism, 16-first rotating shaft, 17-hot air blower, 18-supporting piece, 19-first elastic piece, 20-driving sleeve, 21-moving piece, 22-wave ring, 23-transition ring, 24-moving piece, 25-second driving mechanism, 26-eccentric ball, 27-first helical fan blade, 28-variable speed motor, 29-sliding rod and 30-sliding sleeve.

Detailed Description

The present invention will be described in detail with reference to the following embodiments, wherein like or similar elements are designated by like reference numerals throughout the several views, and wherein the shape, thickness or height of the various elements may be expanded or reduced in practice. The examples are given solely for the purpose of illustration and are not intended to limit the scope of the invention. Any obvious modifications or variations can be made to the present invention without departing from the spirit or scope of the present invention.

It will be understood that, although the terms first, second, etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, without departing from the scope of example embodiments of the present invention.

It will be understood that when an element is referred to herein as being "connected," "connected," or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may be present. Conversely, if a unit is referred to herein as being "directly connected" or "directly coupled" to another unit, it is intended that no intervening units are present. In addition, other words used to describe the relationship between elements should be interpreted in a similar manner (e.g., "between … …" versus "directly between … …", "adjacent" versus "directly adjacent", etc.).

Referring to fig. 1-2, as an embodiment of the present invention, a quick thawing apparatus for frozen food comprises a box body 1, a net frame 8 disposed in the box body 1 for placing the frozen food, and a hot air unit for blowing hot air to the frozen food, the hot air unit comprising:

the mounting frame 14 is arranged on the outer side of the screen frame 8;

the first driving mechanism 15 is used for driving the mounting frame 14 to rotate;

the hot air assembly is installed on an installation frame 14, a plurality of hot air assemblies are distributed on the periphery of a screen frame 8, the hot air assembly comprises a first power source, a rotary table 13, an installation rod 12, a spray pipe 9, a branch pipe 10 and a connecting rod 11, the first power source is installed on the installation frame 14, the first power source is preferably a motor, the rotary table 13 is installed on an output shaft of the first power source, one side, away from the first power source, of the rotary table 13 is provided with the installation rod 12, one end of the installation rod 12 is hinged to the installation frame 14, the other end of the installation rod 12 is provided with the spray pipe 9, the spray pipe 9 is connected with a third air supply pipe, a pin shaft is eccentrically fixed on the rotary table 13, a movable groove for the pin shaft to be inserted and to move is formed in the installation rod 12, one end, close to the spray pipe 9, of the installation rod 12 is hinged to the branch pipe 10, the connecting rod 11 is hinged to the pin shaft, and one end, away from the pin shaft, of the connecting rod 11 is hinged to the branch pipe 10;

the during operation drives mounting bracket 14 through first actuating mechanism 15 and rotates, and mounting bracket 14 drives a plurality of hot-blast subassemblies and rotates round the screen frame 8, and circumference blows hot-blastly to screen frame 8, and is abundant, evenly unfreezes, drives carousel 13 through first power supply and rotates, and carousel 13 drives the revolution of round pin axle, thereby the round pin axle drives installation pole 12 swings at the activity inslot activity, and installation pole 12 drives the swing of spray tube 9, further enlarges and knows and freeze the scope, and is more abundant, even, has improved efficiency.

As an embodiment of the present invention, the first driving mechanism 15 includes a second power source, a gear pair and a first rotating shaft 16, the second power source is installed on the box 1, the second power source is preferably a motor, the first rotating shaft 16 is rotatably connected with the box 1 and fixedly connected with the mounting frame 14, the second power source is drivingly connected with the first rotating shaft 16 through the gear pair, further, the second power source can drive the first rotating shaft 16 to rotate through chain transmission, belt transmission and other manners, of course, the rack can also be driven to move by a telescopic rod, the rack is meshed with the gear to drive the first rotating shaft 16 to rotate, the specific structure of the first driving mechanism 15 is not limited, and the first rotating shaft 16 can be driven to rotate.

As an embodiment of the present invention, the first rotating shaft 16 is hollow inside, one end of the first rotating shaft 16 far from the mounting frame 14 penetrates and is rotatably connected with a first air supply pipe, the first air supply pipe is communicated with an output port of the hot air blower 17, a dust cover is arranged outside the hot air blower 17, the third air supply pipe is communicated with an inner cavity of the first rotating shaft 16, and further, different from the first driving mechanism 15, a connection mode of the first air supply pipe and the first rotating shaft 16 can also be adaptively designed.

As another embodiment of the present invention, the present invention further comprises a steam unit, the steam unit is disposed below the screen frame 8, the steam unit comprises a gas injection assembly and a second driving mechanism 25 for driving the gas injection assembly to rotate, the gas injection assembly comprises a second rotating shaft, a mounting member 3 and a hard gas pipe 4, the second rotating shaft is rotatably connected to the box body 1, the mounting member 3 is mounted at one end of the second rotating shaft close to the screen frame 8, the hard gas pipe 4 is mounted at one side of the mounting member 3 close to the screen frame 8, a plurality of gas injection holes are formed in the hard gas pipe 4, a fourth gas supply pipe is connected to the hard gas pipe 4, the second driving mechanism 25 is drivingly connected to the second rotating shaft, the design of the second driving mechanism 25 may be the same as that of the first driving mechanism 15, in this embodiment, a proper amount of water may be introduced below the screen frame 8 in the box body 1, a plurality of electric heating elements 2 are mounted at intervals on the inner wall of the lower portion of the box body 1, the steam generator is used for heating water, generating hot steam, driving the second rotating shaft to rotate through the second driving mechanism 25, driving the installation part 3 to rotate through the second rotating shaft, driving the hard air pipe 4 to rotate through the installation part 3, performing rotary aeration, accelerating steam, rising the rotary type, thawing more fully and uniformly, and improving efficiency.

As another embodiment of the present invention, the air injection assembly further includes a power mechanism for driving the hard air pipes 4 to swing back and forth, the two hard air pipes 4 are arranged in a crossed manner and are hinged at the middle portion, one of the two hard air pipes 4 is hinged with the mounting member 3, the other hard air pipe is hinged with a sliding member, the sliding member is connected with the mounting member 3 in a sliding manner, the power mechanism includes a driving sleeve 20, a moving member 21, a moving member 24, a corrugated ring 22 and a transition ring 23, the mounting member 3 is slidably mounted with the moving member 21, a second elastic member is connected between the moving member 21 and the mounting member 3, the moving member 21 is movably provided with the moving member 24 in a penetrating manner, one end of the moving member 24 close to the hard air pipes 4 is hinged with the driving sleeve 20, the driving sleeve 20 is movably sleeved on the hard air pipes 4 hinged with the mounting member 3, the other end of the moving member 24 is abutted against the fixing member, the fixing member is fixed at the bottom of the inner cavity of the box body 1, the fixed part comprises a plurality of wave rings 22 which are concentrically arranged and have different diameters, a transition ring 23 is connected between every two adjacent wave rings 22, the heights of the wave rings 22 are increased gradually along the radial direction, the upper surface of each wave ring 22 is in a wave shape, the upper surface of each transition ring 23 is an inclined surface, the rotating speed of a second rotating shaft driven by a second driving mechanism 25 is preferably changed, when the second rotating shaft drives the mounting part 3 to rotate, the centrifugal force applied to the moving part 21 is changed, the moving part 21 moves on the mounting part 3, so that the moving part 24 is driven to move, the moving part 24 drives the hard air pipe 4 to deflect at an angle through the driving sleeve 20, and the moving part 24 is matched with the wave rings 22 with different heights, so that the deflection angle of the hard air pipe 4 is changed, the aeration angle is changed, and multi-angle steam can be defrosted better.

As an embodiment of the invention, the second rotating shaft is hollow inside, one end of the second rotating shaft far away from the mounting part 3 penetrates and is rotatably connected with a second air supply pipe, the fourth air supply pipe is communicated with an inner cavity of the second rotating shaft, the second air supply pipe is communicated with an air outlet of a blower, and a dust cover is mounted on the exterior of the blower.

As an embodiment of the invention, a partition plate 6 is arranged between the net frame 8 and the steam unit, through holes are uniformly arranged on the partition plate 6, a through hole is arranged on the partition plate 6, a support member 18 is arranged in the through hole in a penetrating manner, a first elastic member 19 is connected between the support member 18 and the inner wall of the through hole, the net frame 8 is rotatably connected with the top of the support member 18, a floating body 5 is arranged at the bottom end of the support member 18, water is added to submerge the floating body 5, when the hard air pipe 4 rotates and deflects at an angle for aeration, the impact force of air and water at different angles impacts the floating body 5, so that the floating body 5 randomly shakes, the floating body 5 drives the net frame 8 to randomly shake through the support member 18, the random movement of frozen food in the net frame 8 is facilitated, and the frozen food can be fully and uniformly thawed.

As an embodiment of the present invention, the bottom and the side walls of the screen frame 8 are provided with a plurality of fan plates 7, and the fan plates 7 can be installed by screws, clamping, and the like, in this embodiment, the fan plates 7 are preferably installed by screws, and when steam rises, a certain acting force is exerted on the fan plates 7, so that the screen frame 8 rotates, and the defrosting efficiency is further improved.

As an embodiment of the present invention, as shown in fig. 3-4, a supporting rod is concentrically installed in the through hole, a first spiral fan blade 27 is installed at the bottom end of the supporting rod, an eccentric ball 26 is eccentrically fixed at the top end of the supporting rod, when steam passes through the through hole, the first spiral fan blade 27 is impacted, the first spiral fan blade 27 drives the supporting rod to rotate, and the supporting rod drives the eccentric ball 26 to rotate, so that the air injection angle of the through hole is changed, air is injected at multiple angles, and the working efficiency is further improved.

As another embodiment of the present invention, as shown in fig. 5-6, a variable speed motor 28 is installed in the floating body 5, an output shaft of the variable speed motor 28 extends to below the floating body 5, a sliding rod 29 is fixedly installed on the output shaft of the variable speed motor 28, a sliding sleeve 30 is sleeved on the sliding rod 29, a third elastic element is connected with one end of the sliding sleeve 30 and one end of the sliding rod 29, the bottom of the sliding sleeve 30 is provided with a second spiral fan blade, the speed of the variable speed motor 28 is variable, the variable speed motor 28 drives the sliding rod 29 to rotate, the sliding sleeve 30 moves under the cooperation of centrifugal force and a third elastic member when the sliding rod 29 rotates, when the sliding sleeve 30 moves, on one hand, the position of the center of gravity is changed, on the other hand, the second spiral fan blade rotates under the thrust of water due to the reaction force of the water when rotating, in this way the frequency of shaking of the floating body 5 is faster and the frequency of movement of the frozen food in the net frame 8 is faster.

The working principle of the invention is as follows: placing the frozen food into a net frame; adding a proper amount of water into the box body; when the first driving mechanism is started, the hot air component is started to blow air to frozen food, the first driving mechanism 15 drives the mounting rack 14 to rotate, the mounting rack 14 drives the hot air components to rotate around the screen frame 8, hot air is blown to the screen frame 8 in the circumferential direction to be fully and uniformly thawed, the first power source drives the rotary table 13 to rotate, the rotary table 13 drives the pin shaft to revolve, the pin shaft moves in the movable groove to drive the mounting rod 12 to swing, the mounting rod 12 drives the spray pipe 9 to swing, the thawing range is further expanded, the freezing range is more fully and uniformly, the efficiency is improved, the second driving mechanism 25 drives the second rotating shaft to rotate, the second rotating shaft drives the mounting piece 3 to rotate, the mounting piece 3 drives the hard air pipe 4 to rotate, the rotary aeration is carried out, the water vapor is accelerated and rises in a rotary mode, the thawing is more fully and uniformly, the efficiency is improved, and when the second rotating shaft drives the mounting piece 3 to rotate, the centrifugal force received by the moving part 21 changes, the moving part 21 moves on the mounting part 3, thereby driving the moving part 24 to move, the moving part 24 drives the hard air pipe 4 to deflect at an angle through the driving sleeve 20, the moving part 24 is matched with the wave-shaped rings 22 with different heights, thereby changing the deflection angle of the hard air pipe 4, changing the aeration angle, thawing multi-angle steam better, when the steam rises, certain acting force is exerted on the fan plate 7, thereby rotating the net frame 8, further improving the thawing efficiency, when the steam passes through the through hole, the first spiral fan blade 27 is impacted, the first spiral fan blade 27 drives the supporting rod to rotate, the supporting rod drives the eccentric ball 26 to rotate, so that the air injection angle of the through hole changes, multi-angle air injection, further improving the working efficiency, the motor drives the sliding rod 29 to rotate, when the sliding rod 29 rotates, the sliding sleeve 30 moves under the centrifugal force and the matching of the third elastic part, when the sliding sleeve 30 moves, on one hand, the gravity center position changes, and on the other hand, the reaction force of water makes the second spiral fan blade rotate when rotating, and the second spiral fan blade receives the thrust of water when rotating, so that the shaking frequency of the floating body 5 is faster, and the movement frequency of the frozen food in the net frame 8 is faster.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: modifications may be made to the embodiments described above, or equivalents may be substituted for some of the features described. And such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

The above description is only for the specific embodiments of the present disclosure, but the scope of the present disclosure is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present disclosure, and all the changes or substitutions should be covered within the scope of the present disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.