Egg boxing machine

Abstract

The utility model belongs to the technical field of egg packaging, particularly relates to an egg box filling machine, and aims to solve the problems that the position of an existing carton is prone to deviation when the carton stops, the egg box filling effect is not good enough and the like, the following scheme is provided: the egg box filling machine comprises a support frame, and a first conveying belt and a second conveying belt are arranged in the support frame; the first conveying belt and the second conveying belt are vertically arranged, the first conveying belt is used for conveying egg trays with eggs, the second conveying belt is used for conveying to-be-used packaging cartons, and the egg boxing machine remarkably improves boxing efficiency, reduces labor cost and improves boxing efficiency. Through cooperative work of the first conveying belt, the second conveying belt, the clamping assembly and the moving assembly, rapid conveying and accurate transferring of egg supports and cartons are achieved; the arrangement of the positioning assembly ensures accurate carton positions, avoids boxing errors, and improves the boxing quality; the device is simple in structure, high in stability and reliability and excellent in overall performance.

Description

TECHNICAL FIELD

[0001] The utility model relates to egg packaging technical field especially, relate to a kind of egg packing machine. BACKGROUND

[0002] In egg processing and packaging process, egg packing is an important link.The traditional egg packing operation mainly relies on manual operation, not only inefficient, and there are high labor costs, labor intensity, prone to error and other problems.With the development of automation technology, there are some egg packing machines on the market, but these devices still have the following problems when in use:

[0003] When the existing egg packing machine is in use, the paper box to be used is usually blocked and stopped by using additional structure when moving to the position to be packed, at this time, the left and right positions of the paper box are prone to deviation, and then the egg tray is prone to inaccurate placement, the paper box is damaged and other situations, which will affect the packing effect and the integrity of the eggs.

[0004] In view of the above problems, the utility model file proposes an egg packing machine. INVENTION CONTENTS

[0005] The utility model aims at solving the problems in the prior art that the position of the paper box is prone to deviation when stopped, and the egg packing effect is not good enough, and proposes an egg packing machine.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] An egg packing machine comprises:

[0008] A support frame is provided with a first conveyor belt and a second conveyor belt inside, the first conveyor belt and the second conveyor belt are vertically placed, the first conveyor belt is used for conveying the egg tray with eggs, and the second conveyor belt is used for conveying the paper box for packaging;

[0009] It further comprises a clamping assembly for clamping and taking the egg tray;

[0010] It further comprises a moving assembly for moving the clamping assembly to transfer the egg tray;

[0011] It further comprises a positioning assembly for positioning the paper box on the second conveyor belt before packing the egg tray.

[0012] In a possible design, the clamping assembly comprises a mounting plate, a plurality of double-action air cylinders are fixedly installed at the bottom of the mounting plate, clamping plates are arranged on both sides of the mounting plate, the piston rods on the same side of the plurality of double-action air cylinders are fixedly connected with the adjacent clamping plates, and the plurality of double-action air cylinders are used to push out and retract the two clamping plates to realize clamping and taking of the egg tray.

[0013] In a possible design, the moving assembly comprises a connecting block arranged in the support frame, the connecting block is located above the mounting plate, a third air cylinder is fixedly penetrated into the connecting block, the piston rod of the third air cylinder is fixedly connected with the top of the mounting plate, and the third air cylinder is used to realize lifting movement of the clamping assembly; moving supports are fixedly installed on both sides of the connecting block, a guide rod is fixedly installed in the support frame, a screw rod is rotatably installed in the support frame, the guide rod and the screw rod are located close to the top of the support frame, the outer wall of the guide rod is slidably connected with one of the moving supports, the outer wall of the screw rod is threadedly connected with the other moving support, a motor is fixedly installed on one side of the support frame, and the output shaft of the motor is fixedly connected with one end of the screw rod and used to drive the screw rod to rotate, so that horizontal movement of the clamping assembly is realized.

[0014] In a possible design, the positioning assembly comprises a connecting plate fixedly installed on the inner wall of the top of the support frame, the connecting plate is located above the second conveying belt, two rotating frames are arranged on one side of the connecting plate, rotating parts are fixedly installed on the ends of the two rotating frames close to each other, the two rotating parts are rotatably matched and rotatably connected with one side of the connecting plate, positioning plates are fixedly installed on the other ends of the two rotating frames, the two positioning plates are located on the two sides of the paper box to be used, and the two positioning plates are matched and used to complete pushing and positioning of the paper box.

[0015] In a possible design, the positioning assembly further comprises a fixed block fixedly installed on the side, away from the rotating frames, of the connecting plate, a lifting rod is slidably penetrated into the fixed block, a fixed sleeve ring is fixedly installed at the bottom end of the lifting rod, the fixed sleeve ring is located below the fixed block, two push-pull rods are fixedly installed on the circumferential outer wall of the fixed sleeve ring, limit grooves are formed in one side of the two rotating frames, one end of each of the two push-pull rods penetrates through the corresponding limit groove and slidably matches the inner wall of the corresponding limit groove, and the two push-pull rods are used to drive the two rotating frames to rotate, a spring is arranged on the outer wall of the lifting rod, one end of the spring is fixedly connected with the top of the fixed block, the other end of the spring is fixedly connected with the outer wall of the lifting rod, and the spring is used to continuously provide upward moving force for the lifting rod, so that the two positioning plates are continuously kept away from each other.

[0016] In a possible design, the inside of the connecting plate is provided with a sliding hole, an inner wall of the sliding hole is slidably connected with a moving block, the moving block is located above the lifting rod, both ends of the moving block are provided with inclined surfaces, one end is provided with two matched inclined surfaces, and the other end is an inclined surface facing downward, one side of the mounting plate is fixedly provided with an abutting plate, the abutting plate is matched with the two inclined surfaces at one end of the moving block, the top end of the lifting rod is matched with the inclined surface at the other end of the moving block, and the abutting plate is matched with the two inclined surfaces at one end of the moving block.

[0017] In a possible design, one side of the supporting frame is fixedly provided with a first air cylinder, the first air cylinder is located at one side of the second conveying belt, and the piston rod of the first air cylinder is located above the second conveying belt after being extended, so as to complete the blocking positioning of the carton.

[0018] In a possible design, one end of the first conveying belt is fixedly provided with a first baffle, the first baffle is used for blocking the egg tray conveyed on the first conveying belt, one side of the supporting frame is fixedly provided with a fixed plate, the top of the fixed plate is fixedly provided with a plurality of second air cylinders, one end of the piston rod of each of the plurality of second air cylinders is slidably penetrated through the bottom of the fixed plate and is fixedly provided with the same second baffle, the second baffle is located above the first conveying belt and is matched with the first conveying belt, and is used for blocking the subsequent egg tray when the clamping assembly clamps the egg tray.

[0019] In the application, when the starting device is used, the first conveying belt can convey the egg tray containing eggs, and when the egg tray moves to one end of the first conveying belt, it will be stopped below the clamping assembly under the blockage of the first baffle; at the same time, the plurality of second air cylinders can push the second baffle to move downward, and can block the subsequent egg tray conveyed on the first conveying belt; the second conveying belt can convey the paper box to be used, and when the paper box is conveyed below the travel route of the clamping assembly, the piston rod of the first air cylinder can block the paper box; then, the motor drives the screw rod to rotate, so that the horizontal movement of the clamping assembly is realized, and when the clamping assembly moves above the egg tray to be clamped, the third air cylinder can push the mounting plate to move downward, and the plurality of bidirectional air cylinders can clamp the egg tray below by extending and retracting the clamping plate; then the motor drives the clamping assembly to move again until it moves above the second conveying belt, then the third air cylinder can move the clamping assembly downward again, and the clamped egg tray is placed in the paper box under the cooperation of the bidirectional air cylinders, and finally the clamping assembly is driven to move upward again and returns to the original position, so that the egg tray can be clamped and boxed once; the clamping, transferring and boxing operations of the above egg tray are the same as those in the prior art; in the device, when the clamping assembly moves above the second conveying belt, the abutting plate on one side of the mounting plate can correspond to the moving block, and when the mounting plate moves downward, the abutting plate abuts against the inclined surface at one end of the moving block and drives the moving block to move; when the moving block moves, the inclined surface on the other side of the moving block will extrude the lifting rod to make it move downward; when the lifting rod moves downward, it will drive the two push-pull rods to move synchronously, and the two push-pull rods will slide in the corresponding limiting grooves and drive the two rotating frames to rotate synchronously; at this time, the two positioning plates are close to each other, and can push the paper box on the second conveying belt from both sides, so that the positioning of the second conveying belt is realized, and the placement of the egg tray is more accurate and stable; when the mounting plate continues to move downward and the abutting plate moves away from the moving block, the lifting rod will rise again under the action of the spring at this time, and the two push-pull rods will drive the two rotating frames to rotate reversely, so that the two positioning plates move away again, and the top end of the lifting rod will abut against the inclined surface of the moving block again, so as to drive the moving block to return to the original position, so as to wait for the next positioning operation; when the mounting plate moves upward, the above operation will be performed again through the arrangement of the two inclined surfaces at one end of the moving block, so as to ensure that the mounting plate is separated, and the stable and continuous egg boxing operation is facilitated.

[0020] Beneficial effects: in the chicken egg boxing machine, the cooperation of the first conveying belt and the second conveying belt realizes the conveying of the egg tray and the paper box respectively, and the clamping and transferring of the egg tray are realized by the clamping assembly and the moving assembly, so that the boxing efficiency is greatly improved, and the labor cost is reduced.

[0021] The utility model discloses a kind of egg packing machines, by being provided with positioning assembly, paper box both sides can be positioned by pushing before packing, it can guarantee the position accuracy of paper box, it is favorable to ensure that egg tray can be stably placed in paper box, avoid the packing problem caused by inaccurate positioning, improve packing quality;

[0022] In the utility model, the egg packing machine has a relatively simple equipment structure, the connection and cooperation between components are reliable, is easy to operate, and is easy to maintain and service, and through the cooperation of motor, cylinder and other driving components, automation of the egg packing process is realized, manual intervention is reduced, and the stability and reliability of the equipment are improved.

[0023] In the utility model, the egg packing machine significantly improves packing efficiency and reduces labor cost, realizes rapid conveying and accurate transfer of egg tray and paper box through the cooperative work of the first and second conveying belts and the clamping and moving assembly, the positioning assembly ensures the accurate position of paper box, avoids packing error and improves packing quality, the equipment structure is simple, components are connected reliably, operation is convenient, maintenance is easy, the equipment has high stability and reliability, and overall performance is excellent. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 A three-dimensional structure schematic view of the egg packing machine is provided for the utility model;

[0025] Figure 2 Another three-dimensional structure schematic view of the egg packing machine is provided for the utility model;

[0026] Figure 3 A clamping assembly structure schematic view of the egg packing machine is provided for the utility model;

[0027] Figure 4 A positioning assembly structure schematic view of the egg packing machine is provided for the utility model;

[0028] Figure 5 A split structure schematic view of the positioning assembly of the egg packing machine is provided for the utility model.

[0029] In the drawing: 1, support frame; 2, first conveying belt; 3, second conveying belt; 4, guide rod; 5, screw rod; 6, motor; 7, connecting block; 8, moving support; 9, first baffle; 10, first cylinder; 11, fixed plate; 12, second cylinder; 13, second baffle; 14, third cylinder; 15, mounting plate; 16, double-action cylinder; 17, clamping plate; 18, abutment plate; 19, connecting plate; 20, rotating frame; 21, positioning plate; 22, fixed block; 23, lifting rod; 24, rotating part; 25, limiting groove; 26, fixed collar; 27, push-pull rod; 28, spring; 29, sliding hole; 30, moving block. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the utility model will be clearly and completely described with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0031] Embodiment 1: Refer to Figures 1-5 A packing machine, comprising:

[0032] The support frame 1 is internally provided with a first conveying belt 2 and a second conveying belt 3, and the first conveying belt 2 and the second conveying belt 3 are vertically placed. The first conveying belt 2 is used for conveying the egg tray on which the eggs are placed, and the second conveying belt 3 is used for conveying the paper box for packaging to be used.

[0033] In order to realize the clamping and taking of the egg tray, the embodiment further comprises a clamping assembly. The clamping assembly comprises a mounting plate 15, and a plurality of double-acting cylinders 16 are fixedly installed at the bottom of the mounting plate 15. Both sides of the mounting plate 15 are provided with clamping plates 17, and the piston rods at one end of the double-acting cylinders 16 located on the same side are fixedly connected with the adjacent clamping plates 17. By extending and retracting the piston rods of the double-acting cylinders 16, the two clamping plates 17 can be pushed out and retracted, so as to realize the clamping and taking of the egg tray.

[0034] In order to realize the movement of the clamping assembly, the embodiment further comprises a moving assembly. The moving assembly comprises a connecting block 7 arranged in the support frame 1, and the connecting block 7 is located above the mounting plate 15. A third cylinder 14 is fixedly penetrated in the connecting block 7, one end of the piston rod of the third cylinder 14 is fixedly connected with the top of the mounting plate 15, and by extending and retracting the piston rod of the third cylinder 14, the lifting movement of the clamping assembly can be realized. In addition, moving supports 8 are fixedly installed at both sides of the connecting block 7, a guide rod 4 is fixedly installed in the support frame 1, and a screw rod 5 is also rotatably installed in the support frame 1. The guide rod 4 and the screw rod 5 are located at positions close to the top of the support frame 1. The outer wall of the guide rod 4 is slidably connected with one of the moving supports 8, and the outer wall of the screw rod 5 is threadedly connected with the other moving support 8. A motor 6 is fixedly installed at one side of the support frame 1, and one end of the output shaft of the motor 6 is fixedly connected with one end of the screw rod 5. By driving the screw rod 5 to rotate through the motor 6, the movement of the clamping assembly in the horizontal direction can be realized.

[0035] Before the egg tray is boxed, the carton on the second conveying belt 3 needs to be positioned. Therefore, the embodiment also comprises a positioning assembly. The positioning assembly comprises a connecting plate 19 fixedly installed on the inner wall of the top of the support frame 1, and the connecting plate 19 is located above the second conveying belt 3. One side of the connecting plate 19 is provided with two rotating frames 20, and one end of each of the two rotating frames 20 is fixedly installed with a rotating part 24. The two rotating parts 24 are rotationally matched and are rotationally connected with one side of the connecting plate 19. The other end of each of the two rotating frames 20 is fixedly installed with a positioning plate 21, and the two positioning plates 21 are respectively located on the two sides of the carton to be used. Through the cooperation of the two positioning plates 21, the carton can be pushed and positioned.

[0036] In order to drive the two positioning plates 21, in the embodiment, the positioning assembly further comprises a fixed block 22 fixedly installed on the side of the connecting plate 19 away from the rotating frame 20, and a lifting rod 23 slidably penetrates the inside of the fixed block 22. The bottom end of the lifting rod 23 is fixedly installed with a fixed sleeve ring 26, and the circumferential outer wall of the fixed sleeve ring 26 is fixedly installed with two push-pull rods 27. One side of each of the two rotating frames 20 is provided with a limiting slot 25, and one end of each of the two push-pull rods 27 penetrates through the corresponding limiting slot 25 and is in sliding fit with the inner wall of the corresponding limiting slot 25. Through the lifting and moving of the lifting rod 23, the two rotating frames 20 can be pulled to rotate, so as to realize the approaching and moving away of the two positioning plates 21. In addition, the outer wall of the lifting rod 23 is further sleeved with a spring 28, one end of the spring 28 is fixedly connected with the top of the fixed block 22, and the other end of the spring 28 is fixedly connected with the outer wall of the lifting rod 23. The spring 28 is used to continuously provide upward moving force for the lifting rod 23, so as to ensure that the two positioning plates 21 continuously move away from each other when not affected by external force.

[0037] In order to realize the downward driving of the lifting rod 23, in the embodiment, a sliding hole 29 is formed in the inside of the connecting plate 19, and a moving block 30 is in sliding connection with the inner wall of the sliding hole 29. The moving block 30 is located above the lifting rod 23, and the two ends of the moving block 30 are provided with inclined surfaces, and one end is provided with two cooperating inclined surfaces, and the other end is provided with an inclined surface facing downward. One side of the mounting plate 15 is fixedly installed with an abutting plate 18, the abutting plate 18 cooperates with the two inclined surfaces of one end of the moving block 30, and the top end of the lifting rod 23 cooperates with the inclined surface of the other end of the moving block 30. When the clamping assembly moves downward to box the egg tray, the abutting plate 18 will first contact the inclined surface of one end of the moving block 30 and push the moving block 30 to move, so that the inclined surface of the other end of the moving block 30 contacts the top end of the lifting rod 23 and pushes the lifting rod 23 to move downward, thereby driving the two positioning plates 21 to move close to each other and complete the positioning of the carton to be used; and when the abutting plate 18 is separated from the abutting of the moving block 30, the two positioning plates 21 can be quickly reset under the action of the spring 28 to complete the pushing and positioning of the carton once.

[0038] The present application can be used in the field of egg packaging technology, and can also be used in other fields applicable to the present application.

[0039] Embodiment 2: Reference Figure 1 、 2 5, improvement based on embodiment 1: an egg boxing machine applied to the field of egg packaging technology;

[0040] In addition, in order to further improve the positioning accuracy of the carton, in the present embodiment, a first air cylinder 10 is fixedly installed on one side of the support frame 1, and the first air cylinder 10 is located on one side of the second conveying belt 3. The piston rod of the first air cylinder 10 is located above the second conveying belt 3 after being extended, and is used to further block and position the carton after the carton is positioned by the positioning assembly, so as to prevent the carton from moving during the boxing process.

[0041] In order to prevent the subsequent egg tray from continuing to move and colliding with the clamping assembly when the clamping assembly clamps the egg tray, in the present embodiment, a fixed plate 11 is fixedly installed on one side of the support frame 1, and a plurality of second air cylinders 12 are fixedly installed on the top of the fixed plate 11. The piston rod of each of the plurality of second air cylinders 12 is slidably penetrated through the bottom of the fixed plate 11 and is fixedly installed with a same second baffle 13. The second baffle 13 is located above the first conveying belt 2 and cooperates with the first conveying belt 2. When the clamping assembly starts to clamp the egg tray, the piston rod of the second air cylinder 12 is extended and pushes the second baffle 13 to move downward, thereby blocking the subsequent egg tray from continuing to move.

[0042] In the present embodiment, the bottom of each of the two rotating parts 24 is provided with a right-angle edge, and the two right-angle edges cooperate to limit the rotation angle of the two rotating frames 20, so as to ensure that the two positioning plates 21 will not be excessively close and damage the carton.

[0043] However, as is well known to those skilled in the art, the working principles and wiring methods of the motor 6, the first air cylinder 10, the second air cylinder 12, the third air cylinder 14, and the bidirectional air cylinder 16 are common, and they all belong to conventional means or common knowledge, which will not be described here. Those skilled in the art can make any selection or arrangement according to their needs or convenience.

[0044] The working principle and use process of the technical solution are as follows: in use, the device is started, the first conveying belt 2 can convey the egg tray containing eggs, when the egg tray moves to one end of the first conveying belt 2, it will stop below the clamping assembly under the block of the first baffle 9; at the same time, the plurality of second air cylinders 12 can push the second baffle 13 to move downward, and can block the subsequent egg tray conveyed on the first conveying belt 2; the second conveying belt 3 can convey the paper box to be used, when the paper box is conveyed below the running route of the clamping assembly, the piston rod of the first air cylinder 10 extending out can block the paper box; then, the motor 6 rotates the driving screw 5 to realize the horizontal movement of the clamping assembly, when the clamping assembly moves above the egg tray to be clamped, the third air cylinder 14 can push the mounting plate 15 to descend, and the plurality of bidirectional air cylinders 16 can realize the clamping of the egg tray below by extending and retracting the clamping plate 17; then the motor 6 drives the clamping assembly to move again until it moves above the second conveying belt 3, then the third air cylinder 14 can realize the downward movement of the clamping assembly again, and places the clamped egg tray in the paper box under the cooperation of the bidirectional air cylinder 16, and finally drives the clamping assembly to move up again and returns to the original position, which can complete the clamping and boxing of the egg tray once; the clamping, transferring and boxing operations of the above egg tray are the same as those in the prior art; in the device, when the clamping assembly moves above the second conveying belt 3, the abutting plate 18 on one side of the mounting plate 15 can correspond to the moving block 30, when the mounting plate 15 descends, the abutting plate 18 will abut against the inclined surface at one end of the moving block 30 and drive the moving block 30 to move, when the moving block 30 moves, the inclined surface on the other side of the moving block 30 will extrude the lifting rod 23 to complete the downward movement; when the lifting rod 23 moves downward, it will drive the two push-pull rods 27 to move synchronously, the two push-pull rods 27 will slide in the corresponding limiting groove 25 and drive the two rotating frames 20 to rotate synchronously, at this time, the two positioning plates 21 approach each other, and can push the paper box on the second conveying belt 3 from both sides, which can complete the positioning of the second conveying belt 3 and ensure that the placement of the egg tray is more accurate and stable; when the mounting plate 15 continues to descend and the abutting plate 18 moves away from the moving block 30, at this time, under the action of the spring 28, the lifting rod 23 will rise again, at this time, the two push-pull rods 27 will drive the two rotating frames 20 to rotate reversely, which can make the two positioning plates 21 move away again, and the top end of the lifting rod 23 will abut against the inclined surface of the moving block 30 again, which can drive the moving block 30 to return to the original position, so as to wait for the next positioning; when the mounting plate 15 moves up, the above operation will be performed again through the arrangement of the two inclined surfaces at one end of the moving block 30, which ensures that the mounting plate 15 is separated, and facilitates the stable and continuous operation of the egg boxing operation.

[0045] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. An egg boxing machine characterized by comprising: The utility model provides a kind of egg carton packaging device, including: Support frame (1), the inside of support frame (1) is provided with first conveying belt (2) and second conveying belt (3), first conveying belt (2) and second conveying belt (3) are vertically placed, first conveying belt (2) is used to transmit egg tray that is placed with egg, and second conveying belt (3) is used to transmit paper box for packaging in use; It also includes clamping assembly, which is used to achieve the clamping of the egg tray; It also includes moving assembly, which is used to achieve the movement of the clamping assembly to achieve the transfer of the egg tray; It also includes positioning assembly, which is used to position the paper box on the second conveying belt (3) before the egg tray is boxed.

2. An egg boxing machine according to claim 1, characterised in that The clamping assembly includes a mounting plate (15), a plurality of double-action cylinders (16) are fixedly installed at the bottom of the mounting plate (15), both sides of the mounting plate (15) are provided with clamping plates (17), and the piston rods of the double-action cylinders (16) on the same side are fixedly connected with the adjacent clamping plates (17). The double-action cylinders (16) are used to push out and retract the two clamping plates (17) to clamp and take the egg tray.

3. An egg boxing machine according to claim 2, characterised in that, The moving assembly includes a connecting block (7) arranged in the support frame (1), the connecting block (7) is located above the mounting plate (15), a third cylinder (14) is fixedly penetrated in the connecting block (7), the piston rod of the third cylinder (14) is fixedly connected with the top of the mounting plate (15) to achieve the lifting movement of the clamping assembly; moving supports (8) are fixedly installed on both sides of the connecting block (7), a guide rod (4) is fixedly installed in the support frame (1), and a screw rod (5) is rotatably installed in the support frame (1). The guide rod (4) and the screw rod (5) are located near the top of the support frame (1), the outer wall of the guide rod (4) is slidably connected with one of the moving supports (8), the outer wall of the screw rod (5) is threadedly connected with the other moving support (8), a motor (6) is fixedly installed on one side of the support frame (1), and one end of the output shaft of the motor (6) is fixedly connected with one end of the screw rod (5) to drive the screw rod (5) to rotate and then realize the horizontal movement of the clamping assembly.

4. An egg boxing machine according to claim 2, wherein The positioning assembly includes a connecting plate (19) fixedly installed on the inner wall of the top of the support frame (1), the connecting plate (19) is located above the second conveying belt (3), two rotating frames (20) are arranged on one side of the connecting plate (19), rotating parts (24) are fixedly installed on the ends of the two rotating frames (20) close to each other, the two rotating parts (24) are rotatably connected with one side of the connecting plate (19), positioning plates (21) are fixedly installed on the other ends of the two rotating frames (20), the two positioning plates (21) are located on both sides of the paper box to be used, and the two positioning plates (21) are matched to complete the positioning of the paper box.

5. An egg boxing machine according to claim 4, wherein The positioning assembly further comprises a fixed block (22) fixedly installed on the connecting plate (19) away from the rotating frame (20), a lifting rod (23) slidingly penetrating through the inside of the fixed block (22), a fixed sleeve ring (26) fixedly installed at the bottom end of the lifting rod (23), the fixed sleeve ring (26) being located below the fixed block (22), two push-pull rods (27) fixedly installed on the circumferential outer wall of the fixed sleeve ring (26), two limiting grooves (25) being formed on one side of the two rotating frames (20), one end of the two push-pull rods (27) penetrating through the corresponding limiting grooves (25) and being in sliding fit with the inner walls of the corresponding limiting grooves (25), for pulling and rotating the two rotating frames (20), a spring (28) being sleeved on the outer wall of the lifting rod (23), one end of the spring (28) being fixedly connected with the top of the fixed block (22), the other end of the spring (28) being fixedly connected with the outer wall of the lifting rod (23), the spring (28) being used for continuously providing upward moving force for the lifting rod (23), so as to ensure that the two positioning plates (21) are continuously in the state of moving away from each other.

6. An egg boxing machine according to claim 5, characterised in that, The inside of the connecting plate (19) is provided with a sliding hole (29), a moving block (30) being in sliding connection with the inner wall of the sliding hole (29), the moving block (30) being located above the lifting rod (23), both ends of the moving block (30) being provided with inclined surfaces, one end being provided with two matched inclined surfaces, and the other end being provided with an inclined surface facing downward, an abutting plate (18) being fixedly installed on one side of the mounting plate (15), the abutting plate (18) being matched with the two inclined surfaces at one end of the moving block (30), the top end of the lifting rod (23) being matched with the inclined surface at the other end of the moving block (30), for achieving one-time downward driving of the lifting rod (23) when the clamping assembly moves downward for cartoning, so as to make the two positioning plates (21) close to each other and complete positioning of the paper box to be used.

7. An egg boxing machine according to claim 1, wherein A first air cylinder (10) is fixedly installed on one side of the supporting frame (1), the first air cylinder (10) being located on one side of the second conveying belt (3), the piston rod of the first air cylinder (10) being located above the second conveying belt (3) after being extended, for completing blocking positioning of the paper box.

8. An egg boxing machine according to claim 1, wherein A first baffle (9) is fixedly installed at one end of the first conveying belt (2), the first baffle (9) being used for blocking the egg tray conveyed on the first conveying belt (2), a fixed plate (11) being fixedly installed on one side of the supporting frame (1), a plurality of second air cylinders (12) being fixedly installed on the top of the fixed plate (11), the piston rods of the plurality of second air cylinders (12) all slidingly penetrating through the bottom of the fixed plate (11) and being fixedly installed with the same second baffle (13), the second baffle (13) being located above the first conveying belt (2) and matched with the first conveying belt (2), for blocking the subsequent egg tray when the clamping assembly clamps the egg tray.

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