Egg product discharging buffer

Abstract

The utility model relates to an egg product discharging buffer which comprises a buffer rack, and at least one layer of egg product buffer egg collecting device and a conveying and discharging main body mechanism are sequentially arranged on the buffer rack from top to bottom. The conveying and discharging body mechanism comprises transmission chains located on the two sides, a plurality of rows of egg clamp assemblies distributed in the running direction of the transmission chains are arranged between the transmission chains on the two sides, the two ends of each egg clamp assembly are each provided with a chain transmission connecting component used for keeping a forward station, and the chain transmission connecting components are in transmission through the transmission chains. The egg product discharging buffer is convenient to use, high in practicability and stable and reliable in structure, stable discharging of egg products from top to bottom is achieved, the egg products can be effectively buffered, and the buffering effect is good.

Description

Technical Field

[0001] This utility model relates to the field of egg production technology, and in particular to an egg feeding buffer. Background Technology

[0002] Currently, egg grading and packaging lines are commonly used in the domestic market. Eggs from the grading machine need to be placed onto pallet conveyors for loading. Since the eggs are discharged from a relatively high height, a top-down, layer-by-layer feeding method is generally used to prevent breakage. While the current feeding equipment is highly efficient, it lacks a buffering function; if the lower layer is not loaded onto a pallet in time, the upper layer must stop feeding. Utility Model Content

[0003] In view of this, the purpose of this utility model is to provide an egg feeding buffer with a stable and reliable structure and good buffering effect.

[0004] This utility model is implemented using the following solution: an egg feeding buffer includes a buffer frame, on which at least one layer of egg feeding and collecting devices and a conveying and feeding main body mechanism are arranged sequentially from top to bottom; the conveying and feeding main body mechanism includes transmission chains located on both sides, and between the two transmission chains are several rows of egg clamping assemblies arranged along the running direction of the transmission chains, and at both ends of the egg clamping assemblies are chain drive connecting members for maintaining the positive working position, and the chain drive connecting members are driven by the transmission chain.

[0005] Furthermore, the chain drive connecting component is connected to the drive chain via a chain fastener, and a hinge pin is provided between the chain drive connecting component and the chain fastener to keep the egg clip assembly in the positive working position during the top-down transmission process.

[0006] Furthermore, the chain drive connecting component includes a toothed disc loosely fitted on the hinge pin shaft, and an auxiliary stabilizing transmission mechanism is provided on the sprocket drive shaft of the transmission chain. The auxiliary stabilizing transmission mechanism includes a planetary gear mechanism, the sun gear of the planetary gear mechanism is coaxial with the sprocket drive shaft, and the outer periphery of the gear ring of the planetary gear mechanism is provided with a tooth groove that engages with the convex teeth of the toothed disc, so as to support the toothed disc through the tooth groove and prevent the egg clamp assembly from deflecting around the hinge pin shaft during the top-down transmission process.

[0007] Furthermore, the egg clamp assembly includes two parallel linkage rods, and a plurality of egg-receiving cups are provided between the two linkage rods, which are opened and closed by rotating the linkage rods. The end of the egg clamp assembly is provided with an opening and closing mechanism for controlling the rotation of the linkage rods.

[0008] Furthermore, the opening and closing mechanism includes a fixed component and an opening and closing plate rotatably connected to the fixed component. The ends of the two linkage rods are rotatably connected to the fixed component, and swing arms are fixedly connected to the ends of the two linkage rods respectively. Sliding pins are fixedly connected to the swing ends of the two swing arms. Two guide grooves are provided on the opening and closing plate, which are slidably connected to the sliding pins on the two swing arms respectively, so that when the opening and closing plate rotates, the guide grooves and the swing arms drive the two linkage rods to rotate synchronously in opposite directions to realize the opening and closing of the egg cup.

[0009] Furthermore, a fixed side plate is provided on the side opposite to the transmission chain and the chain drive connecting component. The fixed side plate is provided with two horizontal guide grooves, one above the other, corresponding to the positions of the upper and lower horizontal sections of the transmission chain, respectively. The upper and lower horizontal sections of the transmission chain pass through the middle of the corresponding horizontal guide grooves. The chain drive connecting component is provided with a horizontal guide block that works in conjunction with the horizontal guide grooves.

[0010] Furthermore, the egg buffer and egg collection device includes several rows of egg collection components. Each egg collection component includes two parallel egg collection rods, and several egg collection cups are provided between the two egg collection rods, which are opened and closed by rotating the egg collection rods. The end of the egg clamp assembly is provided with an electromagnetic opening and closing device for controlling the rotation of the egg collection rods.

[0011] Furthermore, the electromagnetic opening and closing device includes a control box B, with a rotating shaft B rotatably connected in the middle inside the control box. A magnetic paddle B is fixedly connected to the rotating shaft. Electromagnets B are provided on both sides of the rotating shaft inside the control box B. The magnetic paddles B have opposite magnetic properties at their downward-facing ends. The rear end of the rotating shaft B passes through the back of the control box B and is fixedly connected to an opening and closing disc B used to drive the egg collecting rod to rotate.

[0012] Furthermore, the ends of the two egg-collecting rods are rotatably connected to the control box B, and swing arms B are fixedly connected to the ends of the two egg-collecting rods respectively. Sliding pins B are fixedly connected to the swing ends of the two swing arms B. The opening and closing plate B has two guide grooves B that are slidably connected to the sliding pins B on the two swing arms B respectively, so that when the opening and closing plate rotates, the guide grooves B and the swing arms B drive the two egg-collecting rods to rotate synchronously in opposite directions to realize the opening and closing of the egg-collecting cup.

[0013] Compared with the prior art, the present invention has the following advantages: the egg feeding buffer of the present invention is convenient to use, highly practical, and has a stable and reliable structure. It realizes the stable feeding of eggs from top to bottom and can effectively buffer the eggs with good buffering effect.

[0014] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below through specific embodiments and related drawings. Attached Figure Description

[0015] Figure 1This is a perspective view of the egg feeding buffer according to an embodiment of the present invention;

[0016] Figure 2 This is a schematic diagram of the material conveying and feeding main body structure according to an embodiment of this utility model;

[0017] Figure 3 This is a schematic diagram of the conveying and feeding main body mechanism of this utility model without the fixed side plates on both sides;

[0018] Figure 4 yes Figure 3 Schematic diagram of local structure;

[0019] Figure 5 yes Figure 4 A schematic diagram of the structure of the sprocket in the middle section;

[0020] Figure 6 This is a perspective view of the egg clamp assembly of the conveying and feeding main mechanism according to an embodiment of this utility model;

[0021] Figure 7 yes Figure 6 Schematic diagram of local structure;

[0022] Figure 8 This is a schematic diagram of the opening and closing mechanism of the egg clamp assembly of the conveying and feeding main mechanism in this embodiment of the utility model;

[0023] Figure 9 This is a schematic diagram of the inner side surface of the fixed side plate of the conveying and feeding main body mechanism according to an embodiment of this utility model;

[0024] Figure 10 This is a schematic diagram of the control box A of the lever mechanism in an embodiment of this utility model;

[0025] Figure 11 yes Figure 9 Schematic diagram of local structure;

[0026] Figure 12 This is a simplified schematic diagram of the conveying and feeding main body mechanism according to an embodiment of this utility model;

[0027] Figure 13 This is a perspective view of the egg buffer and egg collection device according to an embodiment of the present invention;

[0028] Figure 14 yes Figure 13 Enlarged view of point A in the middle;

[0029] Figure 15 This is a partial schematic diagram of the connection between the control box B and the egg collection assembly in an embodiment of this utility model;

[0030] Figure 16 This is a rear view of control box B according to an embodiment of the present invention;

[0031] Explanation of the numbers in the diagram: 1-Main conveyor feeding mechanism, 1-100-Drive chain, 1-110-Chain fastener, 1-111-Hinge pin, 1-120-Sprocket, 1-130-Sprocket drive shaft, 1-200-Egg clamp assembly, 1-210-Linkage rod, 1-220-Egg receiving cup, 1-230-Opening and closing mechanism, 1-231-Fixing component, 1-232-Opening and closing disc A, 1-233-Swing arm A, 1-234-Guide groove A, 1-235-Receiving protrusion, 1-300-Chain drive connecting component, 1-310-Gear disc, 1-320-Horizontal guide block, 1-400-Auxiliary stabilizing transmission mechanism, 1-410-Planetary gear mechanism, 1-411-Sun gear, 1-412-Planet gear, 1-413-Gear ring, 1- 414-Groove, 1-500-Lever Mechanism, 1-510-Control Box A, 1-520-Swing Rod, 1-530-Pin, 1-540-Shaft A, 1-550-Magnetic Paddle A, 1-560-Electromagnet A, 1-570-Eccentric Pin, 1-600-Fixed Side Plate, 1-610-Horizontal Guide Groove, 2-Egg Buffer and Egg Collection Device, 2-100-Collection Egg assembly, 2-110-Egg collecting rod, 2-120-Egg collecting cup, 2-130-Swing arm B, 2-131-Sliding pin, 2-200-Electromagnetic opening and closing device, 2-210-Control box B, 2-220-Rotating shaft B, 2-230-Magnetic paddle B, 2-240-Electromagnet B, 2-250-Opening and closing plate B, 2-251-Guide groove B, 3-Buffer frame. Detailed Implementation

[0032] It should be noted that the following detailed descriptions are exemplary and intended to provide further explanation of this application. Unless otherwise specified, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains.

[0033] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0034] like Figures 1-16As shown, an egg feeding buffer includes a buffer frame 3. The buffer frame 3 has at least one layer of egg feeding and collecting device 2 and a conveying and feeding main body mechanism 1 arranged sequentially from top to bottom. The conveying and feeding main body mechanism 1 includes a transmission chain 1-100 located on both sides. Between the two transmission chains 1-100, there are several rows of egg clamping assemblies 1-200 arranged along the running direction of the transmission chains. The two ends of the egg clamping assemblies 1-200 are respectively provided with chain drive connecting members 1-300 for maintaining the positive working position. The chain drive connecting members 1-300 are driven by the transmission chain. When the egg clamp assembly 1-200 moves upward, the eggs fall onto it. Then, the egg clamp assembly 1-200 moves downward with the chain and releases, discharging the eggs. This conveying and discharging mechanism conveys the eggs from top to bottom. Furthermore, the chain drive connecting component 1-300 ensures that the opening of the egg clamp assembly 1-200 remains upward during the downward transmission process, preventing premature egg drop due to the opening of the egg clamp assembly 1-200 turning around. The structure is stable and reliable. Because the conveying and discharging mechanism uses multiple rows of egg clamp assemblies 1-200 in cyclical motion, it effectively buffers the eggs, resulting in good buffering performance.

[0035] In this embodiment, the chain drive connecting component 1-300 is connected to the transmission chain 1-100 via the chain fastener 1-110. A hinge pin 1-111 is provided between the chain drive connecting component 1-300 and the chain fastener to keep the egg clamp assembly 1-200 in a positive position during the downward transmission process. Since the chain drive connecting component 1-300 and the chain fastener 1-110 are connected by the hinge pin 1-111, the chain fastener can rotate relative to the chain drive connecting component 1-300. During the downward transmission process of the chain fastener with the transmission chain, it will only drive the chain drive connecting component 1-300 to move, but will not drive the chain drive connecting component 1-300 to rotate, thus ensuring that the opening always faces upward.

[0036] In this embodiment, the chain drive connecting component 1-300 includes a gear disk 1-310 loosely fitted on the hinge pin 1-111. The gear disk 1-310 has a seat hole at its center that is loosely fitted on the hinge pin 1-111, allowing the hinge pin 1-111 to rotate relative to the gear disk. The gear disk 1-310 has protruding teeth distributed around its periphery. An auxiliary stabilizing transmission mechanism 1-400 is provided on the sprocket drive shaft of the transmission chain 1-100. The auxiliary stabilizing transmission mechanism 1-400 includes a planetary gear mechanism 1-410. The sun gear 1-411 of the planetary gear mechanism is coaxial with the sprocket drive shaft. The outer periphery of the gear ring 1-411 of the planetary gear mechanism has a tooth groove 1-414 that engages with the protruding teeth of the gear disk. This tooth groove supports the gear disk and prevents the egg clip assembly from deflecting around the hinge pin during the top-to-bottom transmission process. The auxiliary stabilizing transmission mechanism 1-400 can ensure the stability of the egg clip assembly during the top-to-bottom transmission process.

[0037] In this embodiment, the egg clamp assembly 1-200 includes two parallel linkage rods 1-210. Between the two linkage rods are several egg-receiving cups 1-220 that open and close by rotating the linkage rods. Each egg-receiving cup 1-220 is composed of a left half and a right half. The left half is fixedly connected to the linkage rod on the left side, and the right half is fixedly connected to the linkage rod on the right side. The end of the egg clamp assembly is provided with an opening and closing mechanism 1-230 for controlling the rotation of the linkage rods. By controlling the rotation of the two linkage rods through the opening and closing mechanism, the egg-receiving cups 1-220 can be opened and closed.

[0038] In this embodiment, the opening and closing mechanism 1-230 includes a fixing member 1-231 and an opening and closing plate A1-232 rotatably connected to the fixing member. The fixing member 1-231 is detachably connected to the gear plate, which can be achieved by snap-fit ​​or bolt connection. The ends of the two linkage rods are rotatably connected to the fixing member, and swing arms A1-233 are fixedly connected to the ends of the two linkage rods respectively. The swing ends of the two swing arms A are fixedly connected to sliding pins A. The opening and closing plate A has two guide grooves A1-234 that are slidably connected to the sliding pins A on the two swing arms A respectively, so that when the opening and closing plate A rotates, the guide grooves A and the swing arms A drive the two linkage rods to rotate synchronously in opposite directions to realize the opening and closing of the egg cup.

[0039] In this embodiment, a torsion spring is provided between the fixing member and the opening and closing plate A to keep the opening and closing plate A in the closed position. A lever mechanism 1-500 is provided below the transmission chain to actuate the opening and closing plate A to the open position when the egg clamp assembly is driven to the lower position. The lower part of the opening and closing plate A is provided with a pried protrusion 1-235 that works in conjunction with the lever mechanism. When the pried protrusion 1-235 is actuated, the opening and closing plate A rotates to the open position, and the egg receiving cup 1-220 opens. After the pried protrusion 1-235 is released, the opening and closing plate A automatically rotates to the closed position under the action of the torsion spring, and the egg receiving cup 1-220 closes.

[0040] In this embodiment, the lever mechanism 1-500 includes a control box A1-510. A swing arm 1-520 is hinged to the back of the control box A1-510. The swing end of the swing arm is provided with a pin 1-530 that works in conjunction with the protruding part. A rotating shaft A1-540 is rotatably connected in the middle of the control box. A magnetic paddle A1-550 is fixedly connected to the rotating shaft. Electromagnets A1-560 are provided on both sides of the rotating shaft inside the control box. The magnetic paddles A1-560 have opposite magnetic properties at one end when the two electromagnets A face downwards. The rear end of the rotating shaft A passes through the control box. The back of the control box A is eccentrically connected with an eccentric pin 1-570. The middle of the swing arm has an elongated hole that works with the eccentric pin so that when the rotating shaft A rotates, the swing arm swings up and down through the eccentric pin. Two electromagnets A1-560 are provided on the left and right sides to provide a push and pull force for the magnetic paddle A1-550, preventing the magnetic paddle A1-550 from getting stuck. The control box A1-510 uses the electromagnet A to drive the magnetic paddle A1-550 to swing, thereby realizing the rotation of the rotating shaft A. The structure is simple and easy to control.

[0041] In this embodiment, a fixed side plate 1-600 is provided on the side opposite to the transmission chain and the chain drive connecting component. The fixed side plate 1-600 has two horizontal guide grooves 1-610, one above the other, corresponding to the positions of the upper and lower horizontal sections of the transmission chain, respectively. The upper and lower horizontal sections of the transmission chain pass through the middle of the corresponding horizontal guide grooves. The chain drive connecting component has a horizontal guide block 1-320 that works in conjunction with the horizontal guide grooves. During the horizontal movement of the egg clip assembly above or below, the horizontal guide grooves and horizontal guide blocks work together to prevent the egg clip assembly from deflecting around the hinge pin, ensuring the stability of the egg clip assembly during horizontal transmission.

[0042] In this embodiment, the egg buffer and egg collection device 2 includes several rows of egg collection components 2-100, which can be 2, 3, 4 or 5 rows; each egg collection component 2-100 includes two parallel egg collection rods 2-110, and several egg collection cups 2-120 that open and close by rotating the egg collection rods are provided between the two egg collection rods 2-110. Each egg collection cup 120 is composed of a left half and a right half, with the left half fixedly connected to the egg collection rod on the left and the right half fixedly connected to the egg collection rod on the right. The end of the egg clamp assembly is provided with an electromagnetic opening and closing device 2-200 for controlling the rotation of the egg collection rods. This egg buffer and collection device can be configured with 2, 3, or 4 layers. The top layer receives eggs from the egg grading machine. The eggs are picked up by the egg clamps on the egg grading machine and placed on the egg buffer and collection device. Then, the eggs are added layer by layer from top to bottom. Because the egg buffer and collection device is equipped with several rows of egg collection components 2-100, a single layer can store several columns of eggs, which can effectively buffer the eggs and achieve good buffering effect. In addition, it adopts an electromagnetic drive to open and close the egg collection cup, which has a fast response speed and is easy to control.

[0043] In this embodiment, the electromagnetic opening and closing device 2-200 includes a control box B2-210. A rotating shaft B2-220 is rotatably connected in the middle of the control box B. A magnetic pluck B2-230 is fixedly connected to the rotating shaft B. Electromagnets B2-240 are provided on both sides of the rotating shaft B inside the control box B. The magnetic plucks B at the bottom of the two electromagnets B have opposite magnetic properties. The rear end of the rotating shaft B passes through the back of the control box B and is fixedly connected to an opening and closing disc B2-250 for driving the egg collecting rod to rotate. The two electromagnets B2-240 on the left and right provide a push and pull force for the magnetic lever B2-230, preventing the magnetic lever B2-230 from getting stuck. The control box B2-210 uses the electromagnets B to drive the magnetic lever B2-230 to swing, thus rotating the shaft. When the magnetic lever B2-230 swings to one side, it is in the open position, and when it swings to the other side, it is in the closed position. The direction of the magnetic poles of the electromagnets B can be switched simply by changing the direction of the current. The structure is simple and easy to control.

[0044] In this embodiment, the ends of the two egg-collecting rods 2-110 are rotatably connected to the control box B2-210, and the two egg-collecting rods are respectively fixedly connected to the swing arms B2-130 near their ends. The swing ends of the two swing arms B are fixedly connected to the sliding pins B2-131. The opening and closing plate B2-250 has two guide grooves B2-251 that are respectively slidably connected to the sliding pins on the two swing arms B so that when the opening and closing plate B rotates, the two egg-collecting rods are driven to rotate synchronously in opposite directions through the guide grooves B and the swing arms B to realize the opening and closing of the egg-collecting cup.

[0045] The working process of this utility model egg feeding buffer device is as follows: Taking a two-layer egg feeding buffer and egg collection device as an example, after the first layer egg feeding buffer and egg collection device receives the eggs, it is lowered to the second layer egg feeding buffer and egg collection device. The second layer egg feeding buffer and egg collection device lowers the eggs onto the egg clamp assembly on the upper side of the conveying and feeding main body mechanism. The egg clamp assembly is driven from top to bottom to the lower side of the conveying and feeding main body mechanism by the transmission chain. Then, the lever mechanism moves the opening and closing plate A of the egg clamp assembly to rotate, so that the egg clamp assembly opens and lowers the eggs.

[0046] Unless otherwise stated, if any of the technical solutions disclosed in this utility model discloses a numerical range, then the disclosed numerical range is a preferred numerical range. Any person skilled in the art should understand that the preferred numerical range is merely one among many feasible numerical values ​​that has a more obvious or representative technical effect. Because there are many numerical values, it is impossible to list them all. Therefore, this utility model discloses only some numerical values ​​to illustrate the technical solutions of this utility model. Furthermore, the numerical values ​​listed above should not constitute a limitation on the scope of protection of this utility model.

[0047] If this utility model discloses or relates to mutually fixedly connected parts or structural components, then unless otherwise stated, a fixed connection can be understood as: a detachable fixed connection (e.g., using bolts or screws), or a non-detachable fixed connection (e.g., riveting, welding). Of course, mutually fixed connections can also be replaced by an integral structure (e.g., manufactured by integral molding using a casting process) (except where it is obviously impossible to use an integral molding process).

[0048] In addition, unless otherwise stated, the terms used to indicate positional relationships or shapes in any of the technical solutions disclosed in this utility model above include states or shapes that are similar to, close to, or approximate with them.

[0049] Any component provided by this utility model can be assembled from multiple individual components, or it can be a single component manufactured by a one-piece molding process.

[0050] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model in any other way. Any person skilled in the art may make changes or modifications to the disclosed technical content to create equivalent embodiments. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of this utility model without departing from its technical solution shall still fall within the protection scope of this utility model.

Claims

1. An egg product feeding buffer, characterized in that: The system includes a buffer frame, on which at least one layer of egg buffering and collecting devices and a conveying and discharging main body are arranged sequentially from top to bottom. The conveying and discharging main body includes transmission chains on both sides, and several rows of egg clamping assemblies arranged along the running direction of the transmission chains between the two sides. Each egg clamping assembly has a chain drive connecting member at both ends for maintaining a positive working position. The chain drive connecting member is driven by the transmission chain. The chain drive connecting member is connected to the transmission chain via a chain fastener, and a hinge pin is provided between the chain drive connecting member and the chain fastener to keep the egg clamping assembly in a positive working position during the top-down transmission process. The egg buffering and collecting device includes several rows of egg collecting assemblies. Each egg collecting assembly includes two parallel egg collecting rods, and several egg collecting cups are arranged between the two egg collecting rods, which are opened and closed by rotating the egg collecting rods. The end of each egg clamping assembly is provided with an electromagnetic opening and closing device for controlling the rotation of the egg collecting rods.

2. The egg feeding buffer according to claim 1, characterized in that: The chain drive connecting component includes a toothed disc loosely fitted on the hinge pin shaft. An auxiliary stabilizing transmission mechanism is provided on the sprocket drive shaft of the transmission chain. The auxiliary stabilizing transmission mechanism includes a planetary gear mechanism. The sun gear of the planetary gear mechanism is coaxial with the sprocket drive shaft. The outer periphery of the gear ring of the planetary gear mechanism is provided with a tooth groove that engages with the convex teeth of the toothed disc, so as to support the toothed disc through the tooth groove and prevent the egg clamp assembly from deflecting around the hinge pin shaft during the top-down transmission process.

3. The egg feeding buffer according to claim 1, characterized in that: The egg clamp assembly includes two parallel linkage rods, and several egg-receiving cups are provided between the two linkage rods, which are opened and closed by rotating the linkage rods. The end of the egg clamp assembly is provided with an opening and closing mechanism for controlling the rotation of the linkage rods.

4. The egg feeding buffer according to claim 3, characterized in that: The opening and closing mechanism includes a fixed component and an opening and closing plate rotatably connected to the fixed component. The ends of two linkage rods are rotatably connected to the fixed component, and swing arms are fixedly connected to the ends of the two linkage rods respectively. Sliding pins are fixedly connected to the swing ends of the two swing arms. Two guide grooves are provided on the opening and closing plate, which are slidably connected to the sliding pins on the two swing arms respectively, so that when the opening and closing plate rotates, the guide grooves and swing arms drive the two linkage rods to rotate synchronously in opposite directions to realize the opening and closing of the egg cup.

5. The egg feeding buffer according to claim 1, characterized in that: A fixed side plate is provided on the side opposite to the transmission chain and the chain drive connecting component. The fixed side plate is provided with two horizontal guide grooves, one above the other, corresponding to the positions of the upper and lower horizontal sections of the transmission chain, respectively. The upper and lower horizontal sections of the transmission chain pass through the middle of the corresponding horizontal guide grooves. The chain drive connecting component is provided with a horizontal guide block that works in conjunction with the horizontal guide grooves.

6. The egg feeding buffer according to claim 1, characterized in that: The electromagnetic opening and closing device includes a control box B, with a rotating shaft B rotatably connected in the middle inside the control box. A magnetic paddle B is fixedly connected to the rotating shaft. Electromagnets B are provided on both sides of the rotating shaft inside the control box B. The magnetic paddles B have opposite magnetic properties at their downward ends. The rear end of the rotating shaft B passes through the back of the control box B and is fixedly connected to an opening and closing disc B used to drive the egg collecting rod to rotate.

7. The egg feeding buffer according to claim 6, characterized in that: The ends of the two egg-collecting rods are rotatably connected to the control box B, and the two egg-collecting rods are respectively fixedly connected to the swing arms B near their ends. The swing ends of the two swing arms B are fixedly connected to the sliding pins B. The opening and closing plate B has two guide grooves B that are slidably connected to the sliding pins B on the two swing arms B, so that when the opening and closing plate rotates, the two egg-collecting rods will rotate synchronously in opposite directions through the guide grooves B and the swing arms B to open and close the egg-collecting cup.

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