Preparation equipment and preparation method of tiger skin soft boiled eggs

Abstract

The invention discloses preparation equipment and a preparation method of tiger skin soft boiled eggs, and relates to the technical field of egg products, the equipment comprises a frying box, an oil groove is formed in the frying box, and an electric heating wire is arranged at the bottom of the oil groove; the top cover body is mounted at the top of the frying box; the fixing frames are installed in the oil groove, and the upper surfaces of the fixing frames are inclined; the switching frames are the same as the fixing frames in structure and located between the fixing frames, the switching frames and the fixing frames are arranged at intervals, lifting plates are fixedly arranged at the two ends of each switching frame, and the same transverse plate is fixedly arranged at the top ends of the two lifting plates of the same switching frame, is in lap joint in the top cover body and is driven by the driving assembly to move up and down; the frame body closest to the discharge port of the oil groove in the feeding direction belongs to a switching frame, the switching frame is an unloading frame, and the unloading frame is also driven by the driving assembly to move up and down. The frying device has the effect of improving the frying effect of the tiger skin soft boiled eggs and the quality of the fried tiger skin soft boiled eggs.

Description

Technical Field

[0001] The present application relates to the technical field of egg products, and particularly to a preparation device and a preparation method for tiger-skin soft-boiled eggs. Background Art

[0002] Tiger-skin eggs are a kind of food in which eggs are boiled and shelled, and then fried to form a crispy skin on the surface of the boiled eggs. Tiger-skin soft-boiled eggs are egg products in which the yolk part of the made tiger-skin eggs remains in a flowing soft-boiled state through temperature control, and generally eggs or quail eggs are used for making.

[0003] Compared with soft-boiled eggs, the production process of tiger-skin soft-boiled eggs has more strict process requirements. In addition to boiling and marinating, tiger-skin soft-boiled eggs also need to be fried to form tiger skin. However, during the process of frying the tiger skin, if the oil temperature is too high, the yolk will solidify and the soft-boiled state cannot be formed. If the oil temperature is too low, the formation effect of the tiger skin will be poor, and the frying time is also crucial.

[0004] When industrially producing tiger-skin eggs, the eggs used will go through processes such as boiling, shelling, frying, and marinating. Among them, the frying process generally uses an automated frying line device. The automated frying line device generally includes an oil tank, heating wires, an oil residue conveyor line, a mesh chain conveyor belt, and a smoke extraction hood at the top. The oil residue conveyor line is located below the mesh chain conveyor belt, and the end of the mesh chain conveyor belt slopes upward and transitions to the discharge port of the automated frying device. Although the automated frying line can perform the automated frying of tiger-skin eggs in a production line, the crispy skin formed during frying when the eggs are conveyed on the mesh chain conveyor belt will partially adhere to the mesh chain, resulting in uneven quality of the produced tiger-skin eggs. On the other hand, due to the high temperature requirements for tiger-skin soft-boiled eggs, using the existing automated frying line device for production will result in uneven tiger-skin quality or the situation that part of the soft-boiled state is not formed due to uneven heating of the eggs. Therefore, when producing tiger-skin soft-boiled eggs, the existing automated frying line device cannot be directly used for production, which will lead to a high defective rate problem. Summary of the Invention

[0005] In order to improve the defect that the existing automated frying line device for frying tiger-skin soft-boiled eggs has a high defective rate, the present application provides a preparation device and a preparation method for tiger-skin soft-boiled eggs.

[0006] The preparation device for tiger-skin soft-boiled eggs provided by the present application adopts the following technical solutions: A preparation device for tiger-skin soft-boiled eggs, comprising a frying box, the inside of which is an oil tank for holding edible oil, and an electric heating wire is installed at the bottom of the oil tank. The feeding direction is from the feeding port of the frying box to the discharging port of the frying box; a top hood body, which is installed on the top of the frying box and is connected to a negative pressure fan to extract the oil fume generated by the frying box; There are multiple fixing frames, which are strip-shaped and installed in the oil tank. The upper surface slopes downward from top to bottom in the feeding direction. The oil can flow through the fixing frames normally, and the boiled eggs cannot pass through the fixing frames from top to bottom. The boiled eggs on the fixing frames are completely immersed in the oil. The switching frame has the same structure as the fixing frame. It is located between the fixing frames and is spaced from the fixing frames. Lifting plates are fixedly provided at both ends. The tops of the two lifting plates of the same switching frame are fixedly provided with the same horizontal plate, and the horizontal plate is lapped in the top cover body. A driving component for driving multiple horizontal plates to move up and down simultaneously is arranged in the top cover body. The highest point of the upper surface of the switching frame can move down to below the inclined plane of the adjacent fixing frame far from the feeding direction, and the lowest point of the upper surface of the switching frame can move up to above the plane where the top of the adjacent fixing frame in the feeding direction is located. There are two vertical plates in a group, and there are multiple groups. They are installed on the top cover body, and the horizontal plate is vertically abutted and slides between the two vertical plates in a group. The frame body closest to the oil tank discharge port in the feeding direction belongs to the switching frame, and this switching frame is the discharging frame. The discharging frame is also driven by the driving component to move up and down. The downward movement position of the discharging frame is the same as that of the switching frame. The discharging frame is lengthened in the vertical direction. The discharging frame can move up to a position where the bottom end of the inclined surface of its upper surface is above the oil tank discharge port. At this time, the discharging frame is not completely above the adjacent fixing frame.

[0007] Optionally, the frame body of the fixing frame is connected by multiple vertical frame bodies surrounded by metal wires.

[0008] Optionally, fixing plates are fixedly provided at both ends of the fixing frame. The fixing plates extend upward and are fixedly connected to the top cover body. The frying box is provided with multiple first telescopic cylinders. The piston rods of the first telescopic cylinders are vertically upward and are installed at the bottom of the top cover body. The first telescopic cylinders can make the top cover body move vertically upward.

[0009] Optionally, the driving component includes a second telescopic cylinder, a switching strip plate, a first convex block and a second convex block; The second telescopic cylinder is horizontally arranged and installed in the top cover body; The switching strip plate is horizontally mounted in the top cover body and is slidably connected to the top cover body. The sliding direction is parallel to the feeding direction. The switching strip plate is fixedly connected to the end of the piston rod of the second telescopic rod and is located below the horizontal plate; Both the first convex block and the second convex block are installed on the upper surface of the switching strip plate. Among them, there are multiple first convex blocks and one second convex block. The position of the first convex block corresponds to the position of the horizontal plate of the switching frame, and the second convex block corresponds to the horizontal plate of the discharging frame; The front and rear ends of the first convex block and the second convex block in the feeding direction are inclined surfaces and can abut against the horizontal plate to lift the horizontal plate. The height of the first convex block is the same as the length of the sliding interval of the switching frame, and the height of the second convex block is the same as the length of the sliding interval of the discharging frame.

[0010] Optionally, a mounting frame is installed on the top cover body, and a tension spring is fixedly arranged at a position of the mounting frame facing the transverse plate, and the top end of the tension spring is fixedly connected to the transverse plate.

[0011] Optionally, a collecting groove is recessed at the discharge port of the frying box, and an oil leakage plate is inclined towards the feeding direction at the top of the collecting groove.

[0012] Optionally, the feeding port of the frying box is inclined, an intercepting baffle is fixedly arranged above the feeding port of the material box, the distance between the intercepting baffle and the feeding port of the frying box cannot allow two poached eggs to pass through stacked, the bottom of the intercepting baffle is vertically transitioned, and the inner wall of the oil tank is inclined at a position directly below the intercepting baffle to form a material guiding part, and the material guiding part is adjacent to the fixed frame or the switching frame.

[0013] Optionally, two oil tanks are arranged in the frying box, the two oil tanks are not connected, and the discharge port structures of the middle parts of the two oil tanks are the same.

[0014] A preparation method of the tiger-skin soft-boiled eggs provided by the present application adopts the following technical solution: A preparation method of tiger-skin soft-boiled eggs adopts a preparation device for tiger-skin soft-boiled eggs in the claims: the steps include: S1. After the eggs are washed, they are subjected to boiling treatment in water at 88 - 95 °C for 4 - 5 min continuously; S2. After the eggs are fished out, they are shelled by a shelling device and then put into water at 15 - 20 °C for cooling for 5 min; S3. The cooled eggs are fished out, drained and dried, and then put into the frying box for the first frying, the oil temperature is required to be 160 - 180 °C, and the time is controlled for 1 min and then fished out for draining oil; S4. The eggs fried once are put into another frying box for the second frying, the oil temperature is required to be 200 - 210 °C, and the time is controlled for 30 - 40 s and then fished out for draining oil to form tiger-skin eggs; S5. The tiger-skin eggs are put into the pre-prepared brine for brining, the temperature is controlled at 80 - 85 °C for brining for 10 min, the tiger-skin eggs are fished out and then put into the brine with the same formula and stewed and soaked at a temperature of 50 - 65 °C for 1 - 2 h and then taken out; S6. The tiger-skin soft-boiled eggs are cooled and then packaged.

[0015] In summary, the present application includes at least one of the following beneficial technical effects: 1. After the poached eggs are cooked by boiling, they are put into the frying box. The poached eggs are placed in a row on the fixed frame and abutted against the side wall of the adjacent switching frame. The switching frame moves downward, causing the poached eggs on the fixed frame to move onto the switching frame. Then, by moving the switching frame upward, the poached eggs on the switching frame are moved to the next fixed frame. By repeating this process, the poached eggs are moved onto the discharging frame and removed. Thus, the poached eggs can be kept rolling during the frying process, which not only reduces the adhesion of the tiger skin, but also improves the evenness of heat absorption during frying, and can effectively control the frying time of the poached eggs, improving the product quality. 2. The second telescopic cylinder drives the switching strip to slide. The switching strip abuts against the corresponding cross plate through the first convex block and the second convex block, driving the switching frame and the discharging frame to move up and down together, and thus synchronously completing the forward movement of the poached eggs. 3. When the top cover body is pushed upward by the first telescopic cylinder to slide, it simultaneously drives the fixed frame, the switching frame and the discharging frame to move upward together. Thus, it is convenient to clean the oil in the oil tank and also convenient to clean and maintain the fixed frame, the switching frame and the discharging frame. 4. By this two-stage frying method, a slight tiger skin structure is formed during the first frying, locking in the moisture of the eggs and reducing the transfer of the heat of the oil to the egg yolk. And through the second high-temperature and rapid frying, a more obvious tiger skin is formed again, effectively reducing the damage to the runny yolk while forming the tiger skin. Description of the Drawings

[0016] Figure 1 is a schematic structural diagram of an embodiment of the present application; Figure 2 is a partial cross-sectional view showing the structure inside the frying box; Figure 3 is a partial cross-sectional view showing the position of the fixed frame after hiding the top cover body; Figure 4 is a partial cross-sectional view showing the driving assembly after hiding the top cover body; Figure 5 is a partial schematic view showing the switching frame and the discharging frame at the lowest position; Figure 6 is a partial schematic view showing the positions of the switching frame and the discharging frame during the moving process; Figure 7 is a partial schematic view showing the switching frame and the discharging frame at the highest position.

[0017] In the figure, 1 is the frying box; 11 is the oil tank; 12 is the first telescopic cylinder; 13 is the collection tank; 131 is the oil leakage plate; 14 is the intercepting baffle; 15 is the feeding part; 2 is the heating wire; 3 is the top cover body; 31 is the mounting rack; 311 is the tension spring; 32 is the vertical plate; 4 is the fixed frame; 41 is the fixing plate; 5 is the switching frame; 51 is the lifting plate; 52 is the cross plate; 521 is the rolling sleeve; 6 is the discharging frame; 7 is the driving assembly; 71 is the second telescopic cylinder; 72 is the switching strip; 721 is the connecting plate; 73 is the first convex block; 74 is the second convex block. Detailed implementation mode

[0018] The following is a further detailed description of the present application in conjunction with the attached Figure 1-7 diagrams.

[0019] The embodiment of the present application discloses a preparation device and a preparation method for tiger-skin soft-boiled eggs.

[0020] Embodiment 1

[0021] Referring to Figure 1 and Figure 2 , the preparation device for tiger-skin soft-boiled eggs includes a frying box 1, a top cover body 3, a heating wire 2, a fixed frame 4, and a switching frame 5. The inside of the frying box 1 is an oil tank 11 for holding edible oil, and there are two oil tanks 11 in the frying box 1 that are not interconnected. The heating wire 2 is installed at the bottom of the oil tank 11 for heating the edible oil in the oil tank 11. The direction from the feed inlet of the frying box 1 to the discharge outlet of the frying box 1 is the feeding direction. The top part of the inner side wall of each oil tank 11 close to the feeding direction is the discharge outlet, and the top of the inner side wall of each oil tank 11 far from the feeding direction is the feed inlet.

[0022] A plurality of vertically arranged first telescopic cylinders 12 are installed on both sides of the frying box 1, and the top cover body 3 is installed at the top of the piston rod of the first telescopic cylinder 12, located at the top of the frying box 1 and capable of buckling on the frying box 1. The top cover body 3 is connected to a negative pressure fan to extract the oil fume generated by the frying box 1.

[0023] At the discharge port of the oil tank 11, a recessed collection tank 13 is provided. The bottom of the collection tank 13 is connected to an oil discharge port with a valve. A leaking oil plate 131 inclined towards the feeding direction is buckled on the top of the collection tank 13. The leaking oil plate 131 is composed of a plurality of metal wires arranged in parallel. The mutually parallel metal wires are parallel to the vertical plane where the feeding direction is located. The feeding port of the frying box 1 is inclined downward in the feeding direction. A blocking baffle 14 is fixedly arranged above the feeding port of the frying box 1. The blocking baffle 14 is inclined, and the bottom of the blocking baffle 14 is vertically transitioned. The distance between the blocking baffle 14 and the feeding port of the frying box 1 is not enough for two poached eggs to pass through in a stacked manner. The inner wall of the oil tank 11 at the position directly below the blocking baffle 14 is inclined to form a material guiding part 15. The distance between the material guiding part 15 and the vertical part of the blocking baffle 14 is just enough for one poached egg to pass through. A plurality of poached eggs are stacked vertically between the vertical part of the blocking baffle 14 and the oil tank 11.

[0024] A moving assembly for driving the poached eggs to move in the feeding direction is arranged in the oil tank 11, and the oil level in the oil tank 11 does not exceed the bottom end of the blocking baffle 14.

[0025] The cooked soft-boiled eggs enter the oil tank 11 through the feeding port of the frying box 1 and abut against the blocking baffle 14. Through the blocking effect of the blocking baffle 14, the soft-boiled eggs pass through in rows. Under the combined action of the blocking baffle 14 and the material guiding part 15, the soft-boiled eggs pass through in a single layer on the moving assembly, reducing the situation where some soft-boiled eggs leak out on the oil surface or are unevenly heated due to being stacked together, thereby improving the formation effect of the tiger skin. Two oil tanks 11 are arranged in the frying box 1, which can realize frying of tiger skin eggs at different temperatures, thereby improving the formation effect of the tiger skin and reducing the damage to the soft center. After the tiger skin eggs are fished out, they will fall onto the leaking oil plate 131 to drip the oil on the surface of the tiger skin soft-boiled eggs downward, and the oil is recycled through the collection tank 13. The arrangement of the metal wires on the leaking oil plate 131 can effectively improve the rolling efficiency of the tiger skin soft-boiled eggs downward. The buckling setting of the leaking oil plate 131 enables the leaking oil plate 131 to be disassembled for cleaning the frying oil in the collection tank 13. The setting of the top cover body 3 is used for recycling the oil fume generated by frying. At the same time, it can also be lifted up by the extension of the first telescopic cylinder 12 to facilitate maintenance and repair.

[0026] Reference Figure 2 and Figure 3, the moving components include a fixed frame 4 and a switching frame 5. There are multiple fixed frames 4, which are strip-shaped frame structures. The frame of the fixed frame 4 is formed by connecting multiple vertical frames surrounded by metal wires. Each vertical frame surrounded by a metal wire is parallel to the feeding direction, and the poached eggs cannot pass through the fixed frame 4 from top to bottom. At both ends of the fixed frame 4, vertically arranged fixing plates 41 are fixedly provided. The top ends of the fixing plates 41 are fixedly connected to the top cover body 3. The fixed frame 4 is located in the oil tank 11, and the upper surface of the fixed frame 4 is inclined downward from top to bottom in the feeding direction. Only a single row of runny eggs can be placed on the fixed frame 4, and the runny eggs on the fixed frame 4 can be completely below the oil surface. Among the multiple fixed frames 4 in the oil tank 11, the fixed frame 4 closest to the feeding section 15 abuts against the feeding section 15, and the runny eggs on the feeding section 15 can roll onto this fixed frame 4.

[0027] Reference Figure 3 and Figure 4 , the switching frame 5 has the same structure as the fixed frame 4 and is arranged at intervals between the fixed frames 4. The distance between the switching frame 5 and the fixed frame 4 is not enough for the runny eggs to pass through downward. Vertically arranged lifting plates 51 are fixedly provided at both ends of the switching frame 5. The top ends of the two lifting plates 51 of the same switching frame 5 are fixedly provided with the same cross plate 52. The cross plate 52 is lapped in the fixed cover body, and multiple groups of vertical plates 32 are also fixedly provided in the top cover body 3. One group of vertical plates 32 consists of two. The cross plate 52 vertically abuts and slides between the two vertical plates 32 in one group. Among the frames in the oil tank 11 closest to the discharge port of the oil tank 11, it belongs to the switching frame 5 and has lifting plates 51 at both ends. The discharge frame 6 is the switching frame 5 closest to the discharge port of the oil tank 11 in the oil tank 11. A driving component 7 capable of driving multiple cross plates 52 to move downward simultaneously is arranged in the top cover. The discharge frame 6 is lengthened in the vertical direction.

[0028] Combined with Figure 5 , Figure 6 and Figure 7 , the highest points of the upper surfaces of the switching frame 5 and the discharge frame 6 can move downward to below the inclined plane of the adjacent fixed frame 4 away from the feeding direction. The lowest point of the upper surface of the switching frame 5 can move upward to above the plane where the tops of the adjacent fixed frames 4 in the feeding direction are located. The discharge frame 6 can move upward to a position where the bottom end of the inclined surface of its upper surface is above the discharge port of the oil tank 11. At this time, the discharge frame 6 is not completely above the adjacent fixed frame 4. The first telescopic cylinder 12 can lift the top cover body 3 to a position where the discharge frame 6 completely disengages from the feed trough.

[0029] Reference Figure 4 , the top cover body 3 is provided with a mounting frame 31. At the position of the mounting frame 31 facing the cross plate 52, a tension spring 311 is fixedly provided. The top end of the tension spring 311 is fixedly connected to the cross plate 52 to pull the cross plate 52 downward tightly.

[0030] Reference Figure 3 and Figure 4, the driving assembly 7 includes a second telescopic cylinder 71, a switching strip 72, a first bump 73, and a second bump 74. The second telescopic cylinder 71 is horizontally arranged and installed in the top cover body 3. There are two switching strips 72, which are arranged in parallel with each other. The switching strip 72 is horizontally mounted in the top cover body 3 and is slidably connected to the top cover body 3. The sliding direction of the switching strip 72 is parallel to the feeding direction. One end of the two switching strips 72 facing the second telescopic cylinder 71 is fixedly provided with the same connecting plate 721, and the piston rod of the second telescopic cylinder 71 is fixedly connected to the connecting plate 721. The switching strip 72 is located below the cross plate 52. Both the first bump 73 and the second bump 74 are installed on the upper surface of the switching strip 72. Among them, there are multiple first bumps 73 and one second bump 74. The position of the first bump 73 corresponds to the position of the cross plate 52 of the switching frame 5, and the second bump 74 corresponds to the cross plate 52 of the discharging frame 6. A rolling sleeve 521 is rotatably connected to the position of the cross plate 52 facing the first bump 73 or the second bump 74. The front and rear ends of the first bump 73 and the second bump 74 in the feeding direction are inclined surfaces and can abut against the rolling sleeve 521 to lift the cross plate 52. The height of the first bump 73 is the same as the length of the sliding interval of the switching frame 5, and the height of the second bump 74 is the same as the length of the sliding interval of the discharging frame 6.

[0031] The telescopic movement of the piston rod of the second telescopic cylinder 71 drives the switching strip 72 to slide, and then drives the cross plate 52 to move upward through the first bump 73 and the second bump 74, so that the switching frame 5 and the discharging frame 6 move up and down together within their respective intervals. During the up and down movement of the switching frame 5 and the discharging frame 6, if the soft-boiled egg is located on the fixed frame 4, the soft-boiled egg will roll onto the switching frame 5 when the switching frame 5 moves to the lowest position. When the switching frame 5 moves up to the highest point, the soft-boiled egg on the switching frame 5 will roll onto the next fixed frame 4. In this way, the soft-boiled egg rolls forward during the frying process in oil, which not only improves the uniformity of heat absorption during the frying process of the soft-boiled egg to form a tiger skin, but also enables the stable transmission of the soft-boiled egg in the oil, and accurately controls the frying time of the soft-boiled egg. The design of this conveying method can also effectively reduce the probability of the formed tiger skin adhering to the conveying tool and improve the quality of the formed tiger skin soft-boiled egg.

[0032] The setting of the rolling sleeve 521 can effectively improve the stability of the cross plate 52 being lifted, and the setting of the tension spring 311 can effectively improve the stability of the cross plate 52 resetting. The setting of the guide plate can effectively improve the stability of the sliding of the switching frame 5 and the discharging frame 6. The discharging frame 6 can move the fried tiger skin soft-boiled egg in the current oil tank 11 upward to the oil leakage plate 131 by sliding up and down, and transfer the tiger skin soft-boiled egg downward through the oil leakage plate 131. The structural design of the fixed frame 4 and the switching frame 5 can not only facilitate the passage of oil, but also facilitate the rolling of the soft-boiled egg along the feeding direction, and at the same time improve the structural stability.

[0033] The implementation principle of Embodiment 1 of the present application is as follows: The runny yolk eggs enter the oil tank 11 through the feed inlet of the frying box 1 and enter the fixed frame 4 in rows under the action of the intercepting baffle 14 and the material guiding part 15. The second telescopic cylinder 71 drives the switching strip 72 to slide, and then drives the corresponding cross plate 52 to slide up and down together through the first convex block 73 and the second convex block 74, so that the switching frame 5 and the discharging frame 6 move up and down, causing the runny yolk eggs to gradually roll forward during the process of frying the tiger skin, and finally moving out of the oil tank 11 through the discharging frame 6. This not only improves the precise control of the frying time of the sugar heart tiger skin eggs, but also can improve the uniformity of heat absorption during the tiger skin frying process and reduce the adhesion and shedding of the tiger skin by making the runny yolk eggs roll and move, thereby improving the quality and efficiency of the industrial production of tiger skin runny yolk eggs. The setting of the double oil tank 11 can achieve frying at different temperatures, and can more effectively improve the sugar heart forming effect of the tiger skin runny yolk eggs.

[0034] Embodiment 2

[0035] A preparation method of tiger skin runny yolk eggs can use the tiger skin runny yolk egg preparation equipment of Embodiment 1 in this embodiment. Its steps include: S1. Wash the eggs and then perform boiling treatment, continuously boil in water at 88 - 95 °C for 4 - 5 min; S2. After taking out the eggs, shell them through a shelling device and then put them into water at 15 - 20 °C for cooling for 5 min; S3. Take out the cooled eggs, drain and dry them, and then put them into the frying box for the first frying. The required oil temperature is 160 - 180 °C, control the time for 1 min, take out and drain the oil; S4. Put the eggs fried once into another frying box for the second frying. The required oil temperature is 200 - 210 °C, control the time for 30 - 40 s, take out and drain the oil to form tiger skin eggs; S5. Put the tiger skin eggs into the pre-prepared brine for brining, control the temperature at 80 - 85 °C for brining for 10 min, take out the tiger skin eggs and then put them into the brine with the same formula and soak and simmer at a temperature of 50 - 65 °C for 1 - 2 h before taking them out; S5. Cool the tiger skin runny yolk eggs and then perform packaging.

[0036] The implementation principle of Embodiment 2 of the present application is as follows: Through the temperature regulation and time control during boiling, the protein is stably formed. At this time, the outside of the egg yolk gradually solidifies and a runny yolk is formed inside. Subsequently, cooling accelerates the formation effect of the runny yolk. During the frying process, first perform low-temperature frying to form a slightly tiger skin on the surface, lock the moisture of the runny yolk eggs, and reduce the transfer of heat to the egg yolk. Then perform high-temperature short-time frying to make the tiger skin effect more obvious. Through two fryings at different temperatures and precise control of the time, it is possible to effectively reduce the damage to the runny yolk during the frying process, thereby improving the quality of the produced tiger skin runny yolk eggs.

[0037] The embodiments of this specific implementation manner are all preferred embodiments of this application, and do not limit the protection scope of this application. Therefore, all equivalent changes made according to the structure, shape, and principle of this application shall be covered within the protection scope of this application.

Claims

1. An apparatus for preparing tiger-skin marbled eggs, characterized in that: including A frying box (1) with an oil tank (11) inside for holding edible oil. An electric heating wire (2) is installed at the bottom of the oil tank (11). The direction from the feeding port to the discharging port of the frying box (1) is the feeding direction; A top cover body (3) installed on the top of the frying box (1) and connected to a negative pressure fan to extract the oil fumes generated by the frying box (1); A plurality of fixing frames (4), which are strip-shaped and installed in the oil tank (11). The upper surface slopes downward from top to bottom in the feeding direction. The oil can flow through the fixing frames (4) normally, and the boiled eggs cannot pass through the fixing frames (4) from top to bottom. The boiled eggs on the fixing frames (4) are completely immersed in the oil; A switching frame (5) having the same structure as the fixing frame (4), located between the fixing frames (4) and arranged at intervals from the fixing frames (4). Lifting plates (51) are fixedly provided at both ends. The tops of the two lifting plates (51) of the same switching frame (5) are fixedly provided with the same cross plate (52). The cross plate (52) is lapped inside the top cover body (3). A driving assembly (7) for driving the plurality of cross plates (52) to move up and down simultaneously is arranged inside the top cover body (3). The highest point of the upper surface of the switching frame (5) can move down to below the inclined plane of the adjacent fixing frame (4) away from the feeding direction, and the lowest point of the upper surface of the switching frame (5) can move up to above the plane where the top of the adjacent fixing frame (4) in the feeding direction is located; Two vertical plates (32) in a group, and there are multiple groups. They are installed on the top cover body (3). The cross plate (52) is vertically abutted and slid between the two vertical plates (32) in a group; The frame body closest to the discharging port of the oil tank (11) in the feeding direction belongs to the switching frame (5), and this switching frame (5) is a discharging frame (6). The discharging frame (6) is also driven by the driving assembly (7) to move up and down. The downward movement position of the discharging frame (6) is the same as that of the switching frame (5). The discharging frame (6) is lengthened in the vertical direction. The discharging frame (6) can move up to a position where the bottom end of the inclined surface of its upper surface is above the discharging port of the oil tank (11). At this time, the discharging frame (6) is not completely above the adjacent fixing frame (4); 2. The preparation equipment of a kind of tiger-skin soft-boiled egg according to claim 1, characterized in that: The frame body of the fixing frame (4) is connected by a plurality of vertically arranged frames formed by metal wires; 3. The preparation equipment for a kind of tiger-skin soft-boiled eggs according to claim 1, characterized in that: Fixing plates (41) are fixedly provided at both ends of the fixing frame (4). The fixing plates (41) extend upward and are fixedly connected to the top cover body (3). The frying box (1) is provided with a plurality of first telescopic cylinders (12). The piston rods of the first telescopic cylinders (12) are arranged vertically upward and are installed at the bottom of the top cover body (3). The first telescopic cylinders (12) can make the top cover body (3) move vertically upward; 4. The preparation equipment for a kind of tiger-skin soft-boiled eggs according to claim 1, characterized in that: The driving assembly (7) includes a second telescopic cylinder (71), a switching strip plate (72), a first convex block (73) and a second convex block (74); The second telescopic cylinder (71) is horizontally arranged and installed inside the top cover body (3); The switching strip plate (72) is horizontally mounted inside the top cover body (3) and is slidably connected to the top cover body (3). The sliding direction is parallel to the feeding direction. The switching strip plate (72) is fixedly connected to the end of the piston rod of the second telescopic rod and is located below the cross plate (52); The first protrusion (73) and the second protrusion (74) are both mounted on the upper surface of the switching strip plate (72), wherein there are a plurality of first protrusions (73) and a single second protrusion (74), the first protrusion (73) is located opposite to the horizontal plate (52) of the switching frame (5), and the second protrusion (74) is located opposite to the horizontal plate (52) of the discharge frame (6); The front and rear ends of the first protrusion (73) and the second protrusion (74) in the feeding direction are both inclined surfaces, and can abut against the transverse plate (52) to lift the transverse plate (52); the height of the first protrusion (73) is the same as the length of the sliding interval of the switching frame (5); and the height of the second protrusion (74) is the same as the length of the sliding interval of the unloading frame (6).

5. The preparation equipment for a tiger-skin soft-boiled egg according to claim 4, characterized in that: The top cover body (3) is provided with a mounting frame (31), a tension spring (311) is fixedly provided at a position of the mounting frame (31) directly facing the transverse plate (52), and the top end of the tension spring (311) is fixedly connected to the transverse plate (52).

6. The preparation equipment for a tiger-skin marbled egg according to claim 1, characterized in that: A collecting groove (13) is provided in a recessed manner at the material outlet of the frying box (1), and an oil leakage plate (131) is provided at the top of the collecting groove (13) in an inclined manner toward the material feeding direction.

7. The preparation equipment for a kind of tiger-skin soft-boiled eggs according to claim 1, characterized in that: The feed inlet of the frying box (1) is arranged at an angle, an intercepting baffle (14) is fixedly arranged above the feed inlet of the frying box, the distance between the intercepting baffle (14) and the feed inlet of the frying box (1) is not enough for two boiled eggs to pass through, the bottom of the intercepting baffle (14) is arranged in a vertical transition, the inner wall of the oil tank (11) is arranged at an angle at a position directly below the intercepting baffle (14) to form a feed guide portion (15), and the feed guide portion (15) is adjacent to the fixed frame (4) or the switching frame (5).

8. A preparation device for a tiger-skin marbled egg according to any one of claims 1-7, characterized in that: Two oil grooves (11) are arranged in the frying box (1), the two oil grooves (11) are not connected, and the discharge ports of the frying box (1) in the middle parts of the two oil grooves (11) have the same structure.

9. A method for preparing tiger-skin soft-boiled eggs, characterized in that, The preparation device of the tiger skin soft-boiled egg according to claim 8 comprises the following steps: S1. After washing the eggs, boil them in water at 88-95°C for 4-5 minutes; S2, after taking out the eggs, peeling them through the peeling equipment, and then putting them into 15-20℃ water to cool for 5 minutes; S3, take out the cooled eggs and put them into the frying box for the first frying after draining and drying, the oil temperature is required to be 160-180°C, and the control time is 1min before taking them out and draining the oil; S4, putting the fried eggs into another frying box for a second frying, requiring the oil temperature to be 200-210°C, controlling the time to be 30-40s, taking out and draining the oil to form tiger skin eggs; S5, putting the tiger skin eggs into the pre-prepared brine for braising, controlling the temperature at 80-85° C. for 10 minutes, taking out the tiger skin eggs and then putting them into the brine of the same formula at a temperature of 50-65° C. for 1-2 hours and then taking them out; S6, packaging the tiger skin soft-boiled eggs after cooling.

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