Omelette turnover mechanism

CN122744516APending Publication Date: 2026-09-15HOUDE FOOD CO LTD
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Patent Information

Application Number
CN202611185428.7
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-08-06
Publication Date
2026-09-15

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Abstract

The application discloses a mechanism for turning over an omelet, which comprises a movable U-shaped plate, a turning shell, an extension rod, a solid ring, a horizontal clamping groove, an insertion plate and a limiting ring, wherein when the solid ring moves downward, the insertion plate is pushed to move downward through the horizontal clamping groove, the insertion plate can move horizontally relative to the horizontal clamping groove, the insertion plate moves along the axial direction of the limiting ring until it is inserted into the bottom of the edge of the omelet; an L-shaped rod, a pressing plate and a transmission assembly, during the downward movement of the insertion plate, the solid ring extrudes the transmission assembly, the transmission assembly drives the L-shaped rod and the pressing plate to rotate and press the omelet; the turning assembly drives multiple turning shells to rotate by 180 degrees, and then the insertion plate and the pressing plate are reset and release the omelet. The omelet is supported by the insertion plate from the bottom and is pressed from the top by the pressing plate, so that the omelet is always in a stable state during the turning over process.
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Description

Technical Field

[0001] This invention relates to the field of egg-flipping technology, and more specifically, to an egg-flipping mechanism. Background Technology

[0002] Fried eggs are a common food with huge demand in the catering industry, school and corporate canteens, etc. To meet the demand for batch frying, a variety of automated egg frying equipment has emerged on the market. In existing technologies, frying pans are equipped with heating ends. The frying pan is rotated 180° to allow the fried egg to fall from the frying pan into a container below for flipping. In this type of solution, the fried egg is in free fall during the flipping process, which can easily cause the fried egg to break or deform due to impact, affecting the quality of the fried egg. In addition, the posture controllability during the flipping process is poor. In addition, although manual flipping is still widely used, it is inefficient and the flipping quality depends on the operator's experience. Existing egg-flipping technology suffers from several drawbacks: the eggs are prone to breakage during the flipping process, the eggs lack effective clamping constraints, and it is difficult to simultaneously flip multiple eggs at the same time. Summary of the Invention

[0003] To address the above-mentioned shortcomings, this invention provides a frying egg flipping mechanism, which solves the technical problems of frying eggs breaking due to impact and low flipping efficiency.

[0004] To achieve the above objectives, the technical solution adopted by the present invention is as follows: An egg-flipping mechanism, comprising a main frame and a frying pan, wherein the frying pan has multiple egg-flipping stations, characterized in that it further comprises: The cuboid plate can move up and down. The upper end of the cuboid plate is the upper stop point, and the lower end of the cuboid plate is the lower stop point. The flipping shell is set up corresponding to the egg-frying station. The flipping shell is a hollow shell with openings at both the top and bottom. The device consists of a telescopic rod, a solid ring, a horizontal slot, an insert plate, and a limiting ring. The telescopic rod is installed at the upper edge of the flipping shell, and the solid ring is installed at the telescopic end of the telescopic rod. When the solid ring moves downward, it pushes the insert plate downward through the horizontal slot. The insert plate can move horizontally relative to the horizontal slot. The limiting ring is in an inclined state, with its axial direction pointing directly below the center of the fried egg. The insert plate moves along the axial direction of the limiting ring until it is inserted into the bottom edge of the fried egg. The L-shaped rod, pressure plate, and transmission assembly are connected. As the insert plate moves downward, the solid ring squeezes the transmission assembly, which drives the L-shaped rod and pressure plate to rotate and press down the fried egg. At this time, the pressure plate is above the fried egg, the insert plate is below the fried egg, and the fried egg is in a stable state. When the flipping assembly moves the shaped plate to the upper stop point, the flipping assembly drives multiple flipping shells to rotate 180 degrees. Then the insert plate and pressure plate reset and release the fried egg.

[0005] Furthermore, the lower end of the limiting ring is hinged to the flipping shell, and a compression spring is installed between the upper end of the limiting ring and the flipping shell. When the insert plate moves downward, it is divided into two stages. In the first stage, the insert plate moves along the axis of the limiting ring, the compression spring provides sufficient support force, and the limiting ring does not rotate. In the second stage, the lower end of the insert plate touches the bottom, the resistance to the downward movement of the insert plate increases and a reaction force is generated, the compression spring cannot provide sufficient support force, the limiting ring rotates along the hinge point, and at the same time, the lower end of the insert plate is lifted diagonally upward at the edge of the fried egg.

[0006] Furthermore, the lower end of the limiting ring is fixedly connected to the flipping shell, and the insert plate only moves along the axis of the limiting ring.

[0007] Furthermore, the insert plate consists of a rectangular rod and a rubber plate. The rubber plate is fixedly connected to the rectangular rod. The rubber plate moves to lift the fried egg. The rectangular rod is fitted with the limiting ring with a clearance.

[0008] Furthermore, it also includes a hydraulic cylinder and a support. The support is mounted on the main frame, the hydraulic cylinder is mounted on the support, the C-shaped plate is connected to the telescopic end of the hydraulic cylinder, the flipping shell is installed at the lower end of the C-shaped plate, the horizontal slot is installed inside the solid ring, and the upper end of the insert plate is slidably connected to the horizontal slot.

[0009] Furthermore, the transmission assembly includes a connecting rod 1 mounted on the lower surface of the solid ring, a pulley at the lower end of the connecting rod, a limit post mounted on the inner side of the flipping shell, a trapezoidal block mounted on the limit post, the trapezoidal block being slidably connected to the limit post, a tension spring being installed between the trapezoidal block and the flipping shell, the connecting rod 1 and the pulley contacting the inclined surface of the trapezoidal block when moving downwards, driving the trapezoidal block to move towards the L-shaped rod and pushing the L-shaped rod to rotate, the L-shaped rod rotating within a range of 70 to 90 degrees, a connecting rod 2 mounted on the side wall of the trapezoidal block, an interference protrusion at the lower end of the connecting rod 2, an L-shaped pressure plate, the L-shaped rod being offset from the insert plate, the L-shaped rod being hinged to the flipping shell, and a torsion spring being installed between the L-shaped rod and the flipping shell.

[0010] Furthermore, the flipping assembly includes bearings installed on both sides of the shaped plate. The inner ring of the bearing is provided with a rotating shaft. One end of the rotating shaft is connected to the flipping shell, and the other end is equipped with a worm gear. A motor is installed on the side wall of the shaped plate, and a worm gear that meshes with the worm gear is installed at the output end of the motor.

[0011] Furthermore, the insert plate has an air passage inside, which is connected to an external air compressor.

[0012] Compared with the prior art, the beneficial effects of this invention are: the insert plate is inserted from below into the bottom edge of the fried egg to form a support, and the pressure plate applies a pressing force from above, so that the fried egg is always in a constrained and stable state during the flipping process; The structural design of the lower end of the limiting ring being hinged to the flipping shell and elastically connected by a compression spring allows the insert plate to move in two stages during its descent: the first stage is a straight feed to insert into the bottom of the fried egg, and the second stage is that after touching the bottom, the limiting ring rotates and drives the insert plate to lift upward at an angle, lifting the edge of the fried egg upward. These two-stage actions achieve a flexible separation between the fried egg and the frying pan, avoiding damage to the fried egg caused by hard scraping. The transmission component converts the vertical downward motion of the solid ring into the horizontal sliding motion of the trapezoidal block through the rolling cooperation between the connecting rod and pulley on the lower surface of the solid ring and the inclined surface of the trapezoidal block. Then, the L-shaped rod and the pressure plate are driven to swing through the connecting rod and interference protrusion. This linkage design allows the two actions of inserting the insert plate into the bottom of the fried egg and pressing the pressure plate onto the top surface of the fried egg to be completed simultaneously. No additional power source or control logic is required. The structure is compact and the action timing is precise and reliable. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the egg-flipping mechanism described in this invention; Figure 2 This is a schematic diagram of the longitudinal section of the main frame; Figure 3 This is a diagram illustrating the flipping of the shell; Figure 4 This is a schematic diagram of the longitudinal section of the flipped shell; Figure 5 This is a schematic diagram of the longitudinal section of the insert plate; Figure 6 This is a schematic diagram of an L-shaped rod; Figure 7 This is a schematic diagram of the initial state of the plug-in board; Figure 8 This is a schematic diagram of the plug-in board in the depressed state; Figure 9 This is a schematic diagram showing the rotation state of the insert plate; In the diagram: 1. Main frame; 2. Frying pan; 3. C-shaped plate; 4. Flipping shell; 5. Opening; 6. Telescopic rod; 7. Solid ring; 8. Horizontal groove; 9. Insert plate; 901. Rectangular rod; 902. Rubber plate; 10. Limiting ring; 11. L-shaped rod; 12. Pressure plate; 21. Compression spring; 51. Hydraulic cylinder; 52. Bracket; 61. Connecting rod one; 62. Pulley; 63. Limiting post; 64. Trapezoidal block; 65. Tension spring; 66. Connecting rod two; 67. Interference protrusion; 68. Torsion spring; 71. Bearing one; 72. Rotating shaft; 73. Worm gear; 74. Motor one; 75. Worm; 81. Air passage. Detailed Implementation

[0014] To make the above-mentioned objects, features and advantages of the present invention more apparent and understandable, the specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0015] Please see Figure 1-9The present invention provides an egg-flipping mechanism, including a main frame 1 and a frying pan 2, the frying pan 2 having multiple egg-flipping stations, and further including: The chamfered plate 3 can move up and down. The upper end of the chamfered plate 3 is the upper stop point, and the lower end of the chamfered plate 3 is the lower stop point. The flipping shell 4 is set up corresponding to the egg-frying station. The flipping shell 4 is a hollow shell with openings 5 ​​at both the top and bottom. The telescopic rod 6, solid ring 7, horizontal slot 8, insert plate 9, and limiting ring 10 are installed at the upper edge of the flipping shell 4. The solid ring 7 is installed at the telescopic end of the telescopic rod 6. When the solid ring 7 moves downward, it pushes the insert plate 9 downward through the horizontal slot 8. The insert plate 9 can move horizontally relative to the horizontal slot 8. The limiting ring 10 is in an inclined state. The axial direction of the limiting ring 10 points directly below the center of the fried egg. The insert plate 9 moves along the axial direction of the limiting ring 10 until it is inserted into the bottom edge of the fried egg. During the downward movement of the L-shaped rod 11, pressure plate 12 and transmission assembly, the solid ring 7 squeezes the transmission assembly as the insertion plate 9 moves downward. The transmission assembly drives the L-shaped rod 11 and pressure plate 12 to rotate and press down the fried egg. At this time, the pressure plate 12 is above the fried egg and the insertion plate 9 is below the fried egg, and the fried egg is in a stable state. When the flipping assembly moves the shaped plate 3 to the upper stop point, the flipping assembly drives multiple flipping shells 4 to rotate 180 degrees. Then the insert plate 9 and the pressure plate 12 reset and release the fried egg.

[0016] In practical applications, the egg-flipping mechanism is supported by the main frame 1, and multiple egg-flipping stations are set on the frying pan 2. In the initial state, the shaped plate 3 is located at the lower stop point, the flipping shell 4 is arranged in a corresponding manner with the egg-flipping stations on the frying pan 2, and the flipping shell 4 is a hollow shell structure with openings 5 ​​at both the top and bottom. When the flipping action is performed, the telescopic rod 6 is activated, and its telescopic end drives the solid ring 7 to move downward; the solid ring 7 transmits power to the insert plate 9 through the horizontal slot 8, driving the insert plate 9 to make a linear feed motion along the inclined axis of the limiting ring 10 until the front end of the insert plate 9 is inserted into the bottom edge of the fried egg, thus completing the bottom support of the fried egg; utilizing the structural characteristics of the insert plate 9, the insert plate 9 can move horizontally relative to the horizontal slot 8; At the same time, the solid ring 7 exerts a squeezing effect on the transmission component during its downward movement. The transmission component converts this driving force into rotational motion, driving the L-shaped rod 11 and the pressure plate 12 to swing to a predetermined angle, so that the pressure plate 12 applies a pressing force to the fried egg from above. At this time, the insert plate 9 and the pressure plate 12 respectively form a clamping constraint on the fried egg from the upper and lower sides, and the fried egg is in a stable state of complete limitation. After clamping, the shaped plate 3 rises vertically to the upper stop point under the action of the drive device. Then the flipping component is activated, driving each flipping shell 4 to rotate synchronously 180° around its own axis, realizing the overall flipping of the fried egg. After the flipping action is completed, the pressure plate 12 and the insert plate 9 are reset in opposite directions, releasing the clamping constraint on the fried egg. The fried egg falls back to the frying pan 2 to complete the flipping, and the entire action cycle ends.

[0017] Example 1 of the limiting ring 10, refer to Figures 1 to 9 The lower end of the limiting ring 10 is hinged to the flipping shell 4, and a compression spring 21 is installed between the upper end of the limiting ring 10 and the flipping shell 4. When the insert plate 9 moves downward, it is divided into two stages. In the first stage, the insert plate 9 moves along the axis of the limiting ring 10, the compression spring 21 provides sufficient support force, and the limiting ring 10 does not rotate. In the second stage, the lower end of the insert plate 9 touches the bottom, the resistance to the downward movement of the insert plate 9 increases and a reaction force is generated, the compression spring 21 cannot provide sufficient support force, the limiting ring 10 rotates along the hinge point, and at the same time, the lower end of the insert plate 9 is lifted obliquely upward to the edge of the fried egg.

[0018] In practical applications, the lower end of the limiting ring 10 is hinged to the flipping shell 4, and the upper end is elastically connected to the flipping shell 4 through a compression spring 21; the downward feeding process of the insert plate 9 along the axial direction of the limiting ring 10 is divided into two working stages: Phase 1: Under the action of driving force, the insert plate 9 moves in a straight line along the axis of the limiting ring 10. At this time, the compression spring 21 is in a pre-compression state, and its elastic force is sufficient to overcome the gravitational torque of the limiting ring 10 and the insert plate 9 itself. The limiting ring 10 maintains a fixed tilted posture and does not produce angular displacement. The front end of the insert plate 9 continues to move downward and is inserted into the bottom edge of the fried egg.

[0019] Phase Two: When the front end of the insert plate 9 descends to contact the surface of the frying pan 2, the axial feeding resistance of the insert plate 9 suddenly increases, generating an upward reaction force. This reaction force is transmitted through the insert plate 9 to the limiting ring 10, forming an overturning torque around its lower hinge point. When this torque exceeds the maximum elastic support torque that the compression spring 21 can provide, the limiting ring 10 overcomes the spring force and rotates clockwise around the hinge point. At the same time, the insert plate 9 deflects synchronously with the limiting ring 10, and its front end movement trajectory changes from vertical downward to oblique upward, thereby lifting the edge of the fried egg upward and realizing the initial separation of the fried egg from the frying pan 2.

[0020] Example 2 of the limiting ring 10, refer to Figure 6 The lower end of the limiting ring 10 is fixedly connected to the flipping shell 4, and the insert plate 9 moves along the axis of the limiting ring 10.

[0021] In practical applications, the limiting ring 10 and the flipping shell 4 are in a fixed connection state. At this time, the insert plate 9 only moves along the axis of the limiting ring 10. This structure is more stable and can complete the flipping action.

[0022] Reference Figure 5 The insert plate 9 is divided into a rectangular rod 901 and a rubber plate 902. The rubber plate 902 is fixedly connected to the rectangular rod 901. The rubber plate 902 moves to lift the fried egg. The rectangular rod 901 is fitted with the limiting ring 10 with a clearance.

[0023] In practical applications, the rubber plate 902 reduces damage to the edges of the fried egg, while the rectangular rod 901 provides it with better structural strength.

[0024] Reference Figures 1 to 9 It also includes a hydraulic cylinder and a bracket. The bracket is mounted on the main frame, the hydraulic cylinder is mounted on the bracket, the C-shaped plate is connected to the telescopic end of the hydraulic cylinder, the flipping shell is installed at the lower end of the C-shaped plate, the horizontal slot is installed inside the solid ring, and the upper end of the insert plate is slidably connected to the horizontal slot.

[0025] In practical applications, the extension and retraction of the hydraulic cylinder 51 can directly drive the C-shaped plate 3 to move between the upper and lower dead points. The horizontal slots 8 are provided in multiple ways and are distributed inside the solid ring 7.

[0026] Reference Figures 1 to 6 The transmission assembly includes a connecting rod 61 mounted on the lower surface of the solid ring 7. A pulley 62 is provided at the lower end of the connecting rod 61. A limit post 63 is installed inside the flipping shell 4. A trapezoidal block 64 is installed on the limit post 63. The trapezoidal block 64 is slidably connected to the limit post 63. A tension spring 65 is installed between the trapezoidal block 64 and the flipping shell 4. When the connecting rod 61 and the pulley 62 move down, they contact the inclined surface of the trapezoidal block 64, driving the trapezoidal block 64 to move towards the L-shaped rod 11 and pushing the L-shaped rod 11 to rotate. The rotation range of the L-shaped rod 11 is 70 to 90 degrees. A connecting rod 66 is installed on the side wall of the trapezoidal block 64. An interference protrusion 67 is provided at the lower end of the connecting rod 66. The pressure plate 12 is L-shaped. The L-shaped rod 11 is offset from the insert plate 9. The L-shaped rod 11 is hinged to the flipping shell 4. A torsion spring 68 is installed between the L-shaped rod 11 and the flipping shell 4.

[0027] In practical applications, the solid ring 7 is fed downwards vertically under the drive of the telescopic rod 6, which drives the connecting rod 61 fixedly installed on its lower surface to move downwards synchronously. The lower end of the connecting rod 61 is provided with a pulley 62. As the connecting rod 61 moves downwards, the pulley 62 forms rolling contact with the inclined surface of the trapezoidal block 64. The trapezoidal block 64 is slidably installed on the limiting post 63, and its initial position is maintained by the tension spring 65.

[0028] When pulley 62 rolls downward along the inclined plane of trapezoidal block 64, it applies a horizontal component force to trapezoidal block 64, overcoming the tension of tension spring 65, and drives trapezoidal block 64 to slide horizontally in a straight line along limit post 63 towards L-shaped rod 11. Connecting rod 2 66 is installed on the side wall of trapezoidal block 64. Interference protrusion 67 is provided at the lower end of connecting rod 2 66. Interference protrusion 67 forms a contact fit with the end of L-shaped pressure plate 12. When trapezoidal block 64 slides horizontally, it pushes L-shaped rod 11 to generate angular displacement around its hinge point with flipping shell 4 through connecting rod 2 66 and interference protrusion 67. The rotation angle range of L-shaped rod 11 is 70 degrees to 90 degrees. During its rotation, it simultaneously compresses torsion spring 68 to store energy.

[0029] When the L-shaped rod 11 rotates, the pressure plate 12 deflects accordingly, swings from above to the surface of the fried egg and applies pressure. During this process, the L-shaped rod 11 and the insert plate 9 are staggered and do not interfere with each other in space, and independently complete the clamping action on the top and bottom of the fried egg.

[0030] When the solid ring 7 moves upward to reset, the pulley 62 disengages from the inclined surface of the trapezoidal block 64, the tension spring 65 releases its elastic potential energy, and drives the trapezoidal block 64 to slide in the opposite direction along the limiting post 63 to the initial position. When the trapezoidal block 64 retracts, the pushing constraint on the L-shaped rod 11 is released through the connecting rod 66 and the interference protrusion 67. Under the action of the reset torque of the torsion spring 68, the L-shaped rod 11 rotates in the opposite direction around the hinge point, causing the pressure plate 12 to swing and reset, releasing the pressing constraint on the fried egg.

[0031] Reference Figures 1 to 4 The flipping assembly includes bearings 71 installed on both sides of the shaped plate 3. The inner ring of the bearings 71 is provided with a rotating shaft 72. One end of the rotating shaft 72 is connected to the flipping shell 4, and the other end is equipped with a worm gear 73. A motor 74 is installed on the side wall of the shaped plate 3. A worm 75 that meshes with the worm gear 73 is installed at the output end of the motor 74.

[0032] In practical applications, when the U-shaped plate 3 rises to the upper stop point, the flipping component is started, the motor 74 is powered on and runs, and its output end drives the worm 75 to rotate synchronously, and the worm 75 drives the worm wheel 73 to rotate.

[0033] The worm gear 73 is fixedly installed at one end of the rotating shaft 72. The rotating shaft 72 is rotatably supported on both sides of the shaped plate 3 by the bearing 71. When the worm gear 73 rotates, it drives the rotating shaft 72 to rotate synchronously around its own axis. The other end of the rotating shaft 72 is fixedly connected to the flipping shell 4, thereby transmitting the rotational torque to the flipping shell 4 and driving the flipping shell 4 to rotate 180° around its axis to realize the action of flipping the fried egg. The worm gear 73 and the worm 75 form a self-locking worm gear. When the flipping shell 4 is rotated to the position, the motor 74 stops running. The self-locking characteristic of the worm gear pair ensures that the flipping shell 4 remains in a stable locked state at the 180° flipping position, preventing accidental deflection due to external force or gravitational torque, and ensuring the reliability of the flipping posture. After the flipping action is completed, motor 74 rotates in the opposite direction, driving the flipping shell 4 to rotate 180° in the opposite direction through the transmission path of worm 75, worm wheel 73, and rotating shaft 72, waiting for the next working cycle.

[0034] Reference Figure 5 The insert plate 9 has an air passage 81 inside, which is connected to an external air compressor.

[0035] In practical applications, external air compressors can discharge high-pressure gas through air passage 81, which points to the bottom of the fried egg, promoting the separation of the fried egg from the frying pan 2.

Claims

1. An egg-frying mechanism, comprising a main frame (1) and a frying pan (2), wherein the frying pan (2) is provided with multiple egg-frying stations, characterized in that, Also includes: The chamfered plate (3) can move up and down. The upper end of the chamfered plate (3) is the upper stop point, and the lower end of the chamfered plate (3) is the lower stop point. The flipping shell (4) is set up corresponding to the egg-frying station. The flipping shell (4) is a hollow shell with openings (5) at both the top and bottom. Telescopic rod (6), solid ring (7), horizontal slot (8), insert plate (9) and limiting ring (10). The telescopic rod (6) is installed at the upper edge of the flip shell (4), and the solid ring (7) is installed at the telescopic end of the telescopic rod (6). When the solid ring (7) moves downward, it pushes the insert plate (9) downward through the horizontal slot (8). The insert plate (9) can move horizontally relative to the horizontal slot (8). The limiting ring (10) is in an inclined state. The axial direction of the limiting ring (10) points directly below the center of the fried egg. The insert plate (9) moves along the axial direction of the limiting ring (10) until it is inserted to the bottom of the edge of the fried egg. During the downward movement of the L-shaped rod (11), pressure plate (12) and transmission assembly, the solid ring (7) squeezes the transmission assembly, and the transmission assembly drives the L-shaped rod (11) and pressure plate (12) to rotate and press down the fried egg. At this time, the pressure plate (12) is above the fried egg, the insertion plate (9) is below the fried egg, and the fried egg is in a stable state. When the flipping assembly moves the shaped plate (3) to the upper stop point, the flipping assembly drives multiple flipping shells (4) to rotate 180 degrees. Then the insert plate (9) and the pressure plate (12) reset and release the fried egg.

2. The egg-flipping mechanism according to claim 1, characterized in that, The lower end of the limiting ring (10) is hinged to the flipping shell (4), and a compression spring (21) is installed between the upper end of the limiting ring (10) and the flipping shell (4). When the insert plate (9) moves downward, it is divided into two stages. In the first stage, the insert plate (9) moves along the axis of the limiting ring (10), the compression spring (21) provides sufficient support force, and the limiting ring (10) does not rotate. In the second stage, the lower end of the insert plate (9) touches the bottom, the resistance of the insert plate (9) moving downward increases and a reaction force is generated, the compression spring (21) cannot provide sufficient support force, the limiting ring (10) rotates along the hinge point, and at the same time, the lower end of the insert plate (9) is lifted obliquely upward to the edge of the fried egg.

3. The egg-flipping mechanism according to claim 1, characterized in that, The lower end of the limiting ring (10) is fixedly connected to the flipping shell (4), and the insert plate (9) moves only along the axis of the limiting ring (10).

4. The egg-flipping mechanism according to claim 2 or 3, characterized in that, The insert plate (9) is divided into a rectangular rod (901) and a rubber plate (902). The rubber plate (902) is fixedly connected to the rectangular rod (901). The rubber plate (902) moves to lift the fried egg. The rectangular rod (901) is in clearance fit with the limiting ring (10).

5. The egg-flipping mechanism according to claim 4, characterized in that, It also includes a hydraulic cylinder (51) and a bracket (52). The bracket (52) is mounted on the main frame (1), the hydraulic cylinder (51) is mounted on the bracket (52), the shaped plate (3) is connected to the telescopic end of the hydraulic cylinder (51), the flipping shell (4) is installed at the lower end of the shaped plate (3), the horizontal slot (8) is installed inside the solid ring (7), and the upper end of the insert plate (9) is slidably connected to the horizontal slot (8).

6. The egg-flipping mechanism according to claim 5, characterized in that, The transmission assembly includes a connecting rod (61) mounted on the lower surface of a solid ring (7), a pulley (62) at the lower end of the connecting rod (61), a limit post (63) mounted inside the flipping shell (4), a trapezoidal block (64) mounted on the limit post (63), the trapezoidal block (64) being slidably connected to the limit post (63), and a tension spring (65) being installed between the trapezoidal block (64) and the flipping shell (4). When the connecting rod (61) and the pulley (62) move downwards, they contact the inclined surface of the trapezoidal block (64), driving the transmission assembly. The movable trapezoidal block (64) moves toward the L-shaped rod (11) and pushes the L-shaped rod (11) to rotate. The rotation range of the L-shaped rod (11) is 70 to 90 degrees. A connecting rod two (66) is installed on the side wall of the trapezoidal block (64). An interference protrusion (67) is provided at the lower end of the connecting rod two (66). The pressure plate (12) is L-shaped. The L-shaped rod (11) and the insert plate (9) are misaligned. The L-shaped rod (11) is hinged to the flipping shell (4). A torsion spring (68) is installed between the L-shaped rod (11) and the flipping shell (4).

7. The egg-flipping mechanism according to claim 6, characterized in that, The flipping assembly includes bearings (71) installed on both sides of the shaped plate (3). The inner ring of the bearings (71) is provided with a rotating shaft (72). One end of the rotating shaft (72) is connected to the flipping shell (4), and the other end is equipped with a worm gear (73). A motor (74) is installed on the side wall of the shaped plate (3). A worm (75) that meshes with the worm gear (73) is installed at the output end of the motor (74).

8. The egg-flipping mechanism according to claim 7, characterized in that, The insert plate (9) has an air passage (81) inside, which is connected to an external air compressor.