Packaging equipment and packaging method
By designing automated packaging equipment, using expansion air bags and water spray holes to achieve automatic cleaning and classification of fruits, the problem of low efficiency of manual cleaning and classification in the prior art is solved, and an efficient fruit packaging process is achieved.
Patent Information
- Application Number
- CN202510602972.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-12
- Publication Date
- 2025-08-15
AI Technical Summary
In the prior art, the fruit packaging process requires manual cleaning and classification, which is difficult to meet the needs of large-scale fruit packaging.
A packaging equipment is designed, including an annular packaging table, a sorting cleaning chamber, a slide chute, a slide rod, an expansion air bag and an infrared distance sensor. It realizes automatic cleaning and classification of fruits through mechanized means, uses an expansion air bag and a water spray hole for water spray cleaning, and automatically classifies and puts it into the packaging tray through the slide rod and the connecting rope.
It realizes automation of the fruit packaging process, reduces manpower investment, improves packaging efficiency, and can quickly complete the cleaning and classification of large batches of fruits.
Smart Images
Figure CN120482473A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the field of packaging technology, and in particular to a packaging device and a packaging method. Background Art
[0002] Fruit is an indispensable food in life. In recent years, people have higher and higher requirements for the packaging of high-quality fruits.
[0003] Currently, many high-quality fruits are placed in plate-shaped plates with slots on them, and the fruits, such as strawberries and apples, are placed inside one by one.
[0004] When the above fruits are packaged, many are packaged manually and need to be washed one by one. After washing, they need to be selected and sorted one by one and placed on the packaging tray and the placement slot, which is time-consuming and difficult to meet the large-scale fruit packaging needs. Summary of the Invention
[0005] The purpose of the present invention is to solve the problem in the prior art that fruits need to be cleaned and sorted manually one by one, and to propose a packaging device and a packaging method.
[0006] In order to achieve the above object, the present invention adopts the following technical solutions: A packaging device comprising Ring packaging table; The classification cleaning chamber and the water chamber are both provided on the annular packaging table; A classification cleaning screen frame is slidably arranged in the classification cleaning chamber; A chute is provided on the side wall of the classification and cleaning chamber; A slide rod is slidably arranged on the slide groove, and the classification and cleaning screen frame is connected to the slide rod; an elastic rope, one end of which is fixedly connected to the top wall of the slide groove and the other end of which is connected to the slide rod; A support cylinder, fixedly connected to the bottom of the water chamber; A lifting column, slidably and sealingly connected to the support cylinder; an expansion airbag fixedly connected to the upper end of the lifting column; A connecting rope, one end of which is connected to the bottom of the slide bar and the other end of which is connected to the bottom of the lifting column; An annular hole is provided on the annular packaging platform; A cleaning spray hole is provided on the side wall of the classification cleaning chamber and is connected to the annular hole; A water inlet with a solenoid valve is provided on the annular packaging platform, one end of the water inlet is connected to the annular hole, and the other end is connected to the water cavity; An infrared distance sensor is fixedly connected to the bottom wall of the slide groove, and the infrared distance sensor is located directly below the slide bar, and is used to measure the distance the slide bar moves downward; The water cavity is filled with water, and fruits are placed on the classification and cleaning net frame. The descending distance is measured by an infrared distance sensor, and gas is filled into the expansion airbag according to the measured distance. At this time, the expansion airbag expands, and the solenoid valve on the water inlet hole is opened, and the water in the water cavity is sprayed out through the annular hole and the cleaning spray hole. At the same time, the expansion airbag floats upward, and at this time, the expansion airbag pulls the classification and cleaning net frame downward through the lifting column and the connecting rope.
[0007] In order to inflate the inflatable airbag, preferably, an inflation hole is provided on the annular packaging table, the inflation hole is used to connect an external inflation pump, an inflation tube connected to the inflation hole is fixedly connected in the support tube, and a ventilation slide hole with a solenoid valve connected to the inflatable airbag is provided on the lifting column, and the inflation tube is slidably and sealedly connected to the ventilation slide hole.
[0008] Preferably, a lifting limit groove is formed on the side wall of the slide groove, and a lifting limit block matching the lifting limit groove is fixedly connected to the side wall of the slide rod.
[0009] In order to place and accommodate the fruits, preferably, the annular packaging table is provided with an upper packaging plate and a lower packaging plate with accommodating grooves.
[0010] In order to avoid excessive water remaining in the packaging tray, the bottom wall of the receiving tank is further provided with a drainage hole for draining excess water.
[0011] In order to facilitate the rotation and replacement of the packaging plate, further, a first servo motor is fixedly connected to the annular packaging table, and the driving end of the first servo motor is fixedly connected to the first driving prism, and the lower packaging plate is provided with a first driving groove matching the first driving prism, and a second servo motor is fixedly connected to the annular packaging table, and the driving end of the second servo motor is fixedly connected to an electric push rod, and the driving end of the electric push rod is fixedly connected to the second driving prism, and the upper packaging plate is provided with a second driving groove matching the second driving prism.
[0012] In order to facilitate the placement of the fruit into the packaging tray, the sliding rod is further composed of a first support rod and a second support rod, the second support rod is fixedly connected to a push plug rod, the first support rod is provided with a push plug cavity, and the push plug rod is slidably and sealingly connected to the push plug cavity; The annular packaging platform is provided with a driving air hole and a pushing air hole that are interconnected, the driving air hole is connected to a solenoid valve, and the driving air hole is connected to the inflation hole, the pushing air hole is slidably and sealedly connected to a conical joint, and the conical joint is provided with a joint hole with a pressure valve; A communicating hole is provided on the first supporting rod, to which a conical groove sleeve matching the conical joint is fixedly connected, and two ends of the communicating hole are respectively communicated with the pushing air hole and the pushing plug cavity.
[0013] In order to facilitate the reset of the push plug rod, further, a first reset elastic rope is fixedly connected to the push plug rod, and the other end of the first reset elastic rope is connected to the inner wall of the push plug cavity.
[0014] In order to facilitate the resetting of the conical joint, further, a second resetting elastic rope is connected to the conical joint, and the second resetting elastic rope is connected to the side wall of the push air hole.
[0015] A packaging method, using the packaging device, mainly comprises the following steps: S1. Place the fruits to be packaged in the classification and cleaning net frame in the classification and cleaning chamber; S2. After the fruit is placed on the classification and cleaning frame, the classification and cleaning frame and the slide bar will move downward. At this time, the infrared distance sensor will measure the sliding distance. S3, controlling an external air pump to inflate the inflatable airbag according to the sliding distance measured in step S2; S4, the expansion airbag is inflated, and the solenoid valve on the water inlet is opened simultaneously. At this time, the water in the water cavity enters the annular hole and is sprayed out through the cleaning nozzle; S5. At the same time, the inflated airbag moves upward and drives the slide bar downward through the lifting column and the connecting rope. The infrared distance sensor measures the sliding distance. When the slide bar reaches the set position, the ventilation hole on the lifting column closes. S6. Open the solenoid valve on the driving air hole, and air flows into the push air hole, pushing the conical joint into the conical groove sleeve on the first support rod. Then, the pressure valve of the joint hole of the conical joint is opened, and air flows into the push plug cavity through the connecting hole, pushing the push plug rod to drive the second support rod to move. S7. After the second support rod moves to the top of the packaging plate, it pushes the pressure valve of the sliding hole on the plug rod to open, and the air flow enters the sliding cavity, which pushes the sliding plug with the driving rack to move, thereby driving the rotating shaft with the gear teeth to rotate, thereby driving the classification and cleaning screen frame to rotate and clean, completing one cleaning and packaging.
[0016] Compared with the prior art, the present invention provides a packaging device and a packaging method, which have the following beneficial effects: 1. The packaging equipment and packaging method, when packaging fruits, only need to mechanically place the fruits one by one into the classification and cleaning net frame, fill the expansion airbag with gas, open the solenoid valve on the water inlet hole, and spray the water in the water cavity through the annular hole and the cleaning spray hole, so as to realize automatic water spray cleaning. At the same time, the expansion airbag floats upward. After the fruit is placed on the classification and cleaning net frame, it will be driven by gravity to move the classification and cleaning net frame and the slide rod downward. At this time, the infrared distance sensor measures the sliding distance. At this time, the expansion airbag pulls the classification and cleaning net frame downward through the lifting column and the connecting rope, and automatically classifies and places the fruits into the packaging tray, which greatly saves manpower for cleaning and picking and classification. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a structural schematic diagram of the present invention; Figure 2 It is a schematic diagram of the cross-sectional structure of the present invention; Figure 3 For the present invention Figure 2 Schematic diagram of the structure at A in the middle; Figure 4 For the present invention Figure 2 Schematic diagram of the structure at B in the middle; Figure 5 This is a schematic cross-sectional view of the classification cleaning screen frame of the present invention moving downward; Figure 6 For the present invention Figure 5 Schematic diagram of the structure at C in the middle; Figure 7 For the present invention Figure 6 Schematic diagram of the structure at D in the middle; Figure 8 For the present invention Figure 6 Schematic diagram of the structure at E in the middle; Figure 9 This is a schematic diagram of the inclined cross-sectional structure of the classification cleaning screen frame of the present invention; Figure 10 For the present invention Figure 9 Schematic diagram of the structure at F in the middle; Figure 11 For the present invention Figure 9 Schematic diagram of the structure at H in the middle; Figure 12 For the present invention Figure 9 Schematic diagram of the structure at G in the middle; Figure 13 It is an inclined three-dimensional schematic diagram of the classification cleaning screen frame of the present invention.
[0018] Figure: 1, annular packaging table; 2, classification cleaning chamber; 3, classification cleaning frame; 301, connecting plate; 302, rotating shaft; 4, sliding rod; 401, first support rod; 4011, connecting hole; 4012, push plug chamber; 4013, air jet hole; 4014, inclined air jet hole; 402, second support rod; 4021, push plug rod; 4022, sliding hole; 4023, sliding chamber; 4024, sliding chamber; 4025, driving rack; 5, chute; 6, water chamber; 7, annular hole; 8, cleaning Spray hole; 9. Water inlet hole; 10. Elastic rope; 11. Support tube; 12. Lifting column; 1201. Ventilation slide hole; 13. Inflatable airbag; 14. Connecting rope; 15. Driving air hole; 1501. Pushing air hole; 16. Inflation hole; 17. Conical joint; 18. Conical groove sleeve; 19. Infrared distance sensor; 20. Inflation tube; 21. Lower packaging tray; 22. Upper packaging tray; 23. Receiving groove; 24. Drain hole; 25. First servo motor; 26. Second servo motor; 27. Electric push rod. DETAILED DESCRIPTION
[0019] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.
[0020] Example 1: Reference Figure 1-3 , a packaging device comprising Ring packaging station 1; The classification and cleaning chamber 2 and the water chamber 6 are both provided on the annular packaging table 1; A classification cleaning screen frame 3 is slidably arranged in the classification cleaning chamber 2; Reference Figure 4-5 , chute 5, is opened on the side wall of the classification cleaning chamber 2; The slide rod 4 is slidably set on the slide groove 5, and the classification and cleaning screen frame 3 is connected to the slide rod 4; the side wall of the slide groove 5 is provided with a lifting limit groove, and the side wall of the slide rod 4 is fixedly connected with a lifting limit block matching the lifting limit groove to ensure that the slide rod 4 moves up and down stably.
[0021] An elastic cord 10, one end of which is fixedly connected to the top wall of the chute 5 and the other end of which is connected to the slide bar 4; The support tube 11 is fixedly connected to the bottom of the water chamber 6; The lifting column 12 is connected to the support cylinder 11 in a sliding and sealing manner; The expansion airbag 13 is fixedly connected to the upper end of the lifting column 12; A connecting rope 14, one end of which is connected to the bottom of the slide bar 4 and the other end is connected to the bottom of the lifting column 12; Reference Figure 3-4 , annular hole 7, opened on the annular packaging table 1; The cleaning nozzle 8 is provided on the side wall of the classification cleaning chamber 2 and is connected to the annular hole 7; A water inlet hole 9 with a solenoid valve is provided on the annular packaging platform 1, one end of which is connected to the annular hole 7 and the other end of which is connected to the water cavity 6. In specific implementation, a water supply pipe is connected to the annular packaging platform 1, the water supply pipe is filled with water from the outside, and the water supply pipe is connected to the water cavity 6. Reference Figure 9-10 , an infrared distance sensor 19 is fixedly connected to the bottom wall of the slide 5, and the infrared distance sensor 19 is located directly below the slide bar 4, for measuring the downward distance of the slide bar 4; The water chamber 6 is filled with water, and the fruit is placed in the classification and cleaning net frame 3. The infrared distance sensor 19 measures the descending distance, and gas is filled into the expansion airbag 13 according to the measured distance. At this time, the expansion airbag 13 expands, and the solenoid valve on the water inlet hole 9 opens, and the water in the water chamber 6 is sprayed out through the annular hole 7 and the cleaning spray hole 8. At the same time, the expansion airbag 13 floats upward. At this time, the expansion airbag 13 pulls the classification and cleaning net frame 3 downward through the lifting column 12 and the connecting rope 14.
[0022] Reference Figure 9 、 Figure 11 and Figure 12 An inflation hole 16 is provided on the annular packaging table 1, and the inflation hole 16 is used to connect an external inflation pump. An inflation tube 20 connected to the inflation hole 16 is fixedly connected in the support tube 11. A ventilation slide hole 1201 with a solenoid valve connected to the expansion airbag 13 is provided on the lifting column 12. The inflation tube 20 is slidingly and sealingly connected to the ventilation slide hole 1201. The inflation hole 16 is inflated by the inflation pump. The gas in the inflation hole 16 passes through the inflation tube 20 and the ventilation slide hole 1201 into the expansion airbag 13, thereby inflating.
[0023] Reference Figure 2The annular packaging table 1 is provided with an upper packaging tray 22 with a receiving groove 23 and a lower packaging tray 21. The bottom wall of the receiving groove 23 is provided with a drainage hole 24 for draining excess water. The annular packaging table 1 is fixedly connected to a first servo motor 25. The driving end of the first servo motor 25 is fixedly connected to a first driving prism. The lower packaging tray 21 is provided with a first driving prism matching the first driving prism. After the lower packaging tray 21 is filled with water, it can be directly removed and then a new lower packaging tray 21 can be placed. The annular packaging table 1 is fixedly connected to a second servo motor 26. The driving end of the second servo motor 26 is fixedly connected to the electric push rod 27, and the driving end of the electric push rod 27 is fixedly connected to the second driving prism. The upper packaging tray 22 is provided with a second driving prism groove that matches the second driving prism. When the upper packaging tray 22 is full of fruits, the second driving prism can be moved up by the electric push rod 27, and then the lower packaging tray 22 can be replaced. The upper and lower packaging trays can be used to place fruits of different sizes. After a fruit is placed in the receiving groove 23, the first servo motor 25 or the second servo motor 26 rotates to place the next fruit in the receiving groove.
[0024] Example 2: Reference Figure 5-10 A packaging device is basically the same as that of Example 1. Furthermore, in order to facilitate the movement of the classification and cleaning screen frame 3 above the packaging plate, the slide rod 4 is composed of a first support rod 401 and a second support rod 402. The second support rod 402 is fixedly connected to a push plug rod 4021. The first support rod 401 is provided with a push plug cavity 4012. The push plug rod 4021 is slidably and sealingly connected to the push plug cavity 4012. The annular packaging table 1 is provided with a drive air hole 15 and a push air hole 1501 that are interconnected. The drive air hole 15 is connected to a solenoid valve and is in communication with the inflation hole 16. The push air hole 1501 is slidably and sealably connected to a tapered joint 17. The tapered joint 17 has a joint hole with a pressure valve. A connecting hole 4011 is provided on the first support rod 401 , to which a conical groove sleeve 18 matching the conical joint 17 is fixedly connected. Both ends of the connecting hole 4011 are connected to the pushing air hole 1501 and the pushing plug cavity 4012 respectively.
[0025] A first resetting elastic rope is fixedly connected to the push plug rod 4021 , and the other end of the first resetting elastic rope is connected to the inner wall of the push plug cavity 4012 .
[0026] A second resetting elastic rope is connected to the conical joint 17 , and the second resetting elastic rope is connected to the side wall of the pushing air hole 1501 .
[0027] The solenoid valve on the driving air hole 15 is opened, and air flows into the pushing air hole 1501, pushing the conical joint 17 to be inserted into the conical groove sleeve 18 on the first support rod 401. Then the joint hole pressure valve of the conical joint 17 is opened, and air flows into the pushing plug cavity 4012 through the connecting hole 4011, pushing the pushing plug rod 4021 to drive the second support rod 402 to move, thereby making it easier to deliver the fruit into the packaging tray.
[0028] Example 3: Reference Figure 6-10 A packaging device is basically the same as that of Example 1, and further, a connecting plate 301 is fixedly connected to the bottom side of the classification and cleaning screen frame 3, a rotating shaft 302 is fixedly connected to the connecting plate 301, the rotating shaft 302 is rotatably connected to the second support rod 402, the rotating shaft 302 is covered with gear teeth, and a driving rack 4025 meshing with the gear teeth is slidably connected to the second support rod 402; A sliding plug 4024 is fixedly connected to the driving rack 4025, and a sliding cavity 4023 matching the sliding plug 4024 is provided on the second support rod 402. A sliding hole 4022 with a pressure valve is provided on the second support rod 402 and the push plug rod 4021. The two ends of the sliding hole 4022 are respectively connected to the sliding cavity 4023 and the push plug cavity 4012. A third reset elastic rope is connected to the sliding plug 4024, and the other end of the third reset elastic rope is connected to the inner wall of the sliding cavity 4023.
[0029] After the second support rod 402 moves to the top of the packaging plate, the pressure valve of the sliding hole 4022 on the plug rod 4021 is pushed to open, and the air flow enters the sliding cavity 4023, thereby pushing the sliding plug 4024 with the driving rack 4025 to move. Figure 13 As shown, the rotating shaft 302 with gear teeth is driven to rotate, thereby driving the classification and cleaning net frame 3 to rotate and clean, making it easy to slide the fruit into the packaging tray, completing one cleaning and packaging.
[0030] During specific implementation, an air jet hole 4013 with an electromagnetic valve is provided on the first support rod 401, and an inclined air jet hole 4014 is provided on the first support rod 401. The air jet hole 4013 is respectively connected with the inclined air jet hole 4014 and the push plug cavity 4012. After the classification and cleaning net frame 3 is tilted at a certain angle, the electromagnetic valve on the air jet hole 4013 can be opened for inflation. At this time, the air flow can be ejected through the cleaning air jet hole 4014, which helps the fruit slide into the packaging plate.
[0031] A packaging method, using packaging equipment, mainly includes the following steps: S1, the ring packaging table 1 can be placed on the rotating platform, and the fruits to be packaged are placed in the classification and cleaning net frame 3 in the classification and cleaning chamber 2. Multiple groups of classification and cleaning chambers 2 can be set on the ring packaging table 1, which has achieved uninterrupted placement of fruits for cleaning and packaging; S2, after the fruit is placed on the classification and cleaning net frame 3, gravity will drive the classification and cleaning net frame 3 and the slide bar 4 to move downward, and the distance of the downward movement is measured by the infrared distance sensor 19; S3. Send a signal to the controller based on the sliding distance measured in step S2, and the controller controls the external air pump to inflate the expansion airbag 13; S4, the expansion airbag 13 is inflated. Since the water chamber 6 is initially full of water, the water in the water chamber 6 is squeezed, and the solenoid valve on the water inlet hole 9 is opened synchronously. At this time, the water in the water chamber 6 enters the annular hole 7 and is sprayed out through the cleaning nozzle 8 and sprayed onto the fruit to clean it; S5. At the same time, the inflatable airbag 13 expands and its buoyancy increases, causing it to move upward and drive the slide bar 4 downward via the lifting column 12 and the connecting rope 14. The infrared distance sensor 19 measures the distance of the slide. When the slide bar 4 reaches the set position, the vent hole 1201 on the lifting column 12 closes. S6. The solenoid valve on the driving air hole 15 is opened, and air flows into the pushing air hole 1501, pushing the conical joint 17 to be inserted into the conical groove sleeve 18 on the first support rod 401. Then, the joint hole pressure valve of the conical joint 17 is opened, and air flows into the pushing plug cavity 4012 through the connecting hole 4011, pushing the pushing plug rod 4021 to move the second support rod 402, thereby facilitating the delivery of fruits into the packaging tray. S7, after the second support rod 402 moves to the top of the packaging tray, the pressure valve of the sliding hole 4022 on the plug rod 4021 is pushed to open, and the air flow enters the sliding cavity 4023, thereby pushing the sliding plug 4024 with the driving rack 4025 to move, thereby driving the rotating shaft 302 with the gear to rotate, thereby driving the classification and cleaning net frame 3 to rotate and clean, so as to slide the fruit into the packaging tray and complete one cleaning and packaging; in the specific implementation, after the classification and cleaning net frame 3 is tilted to a certain angle, the air jet hole 4022 can be opened to open the air jet hole 4023, and the air flow enters the sliding cavity 4023, thereby pushing the sliding plug 4024 with the driving rack 4025 to move, thereby driving the rotating shaft 302 with the gear to rotate, thereby driving the classification and cleaning net frame 3 to rotate and clean, The solenoid valve on 13 is inflated, and the air flow can be ejected through the cleaning nozzle 4014 at this time, which helps the fruit to slide into the packaging tray; after the classification and cleaning net frame 3 is tilted at a certain angle, the air pump continues to inflate for a period of time to ensure that the fruit slides into the packaging tray, and then the air pump is stopped. At this time, the solenoid valve on the air jet hole 4013 is continuously opened, which facilitates the return of the components on the first support rod 401 and the second support rod 402. In addition, an exhaust hole connected to the inflation hole 16 is opened on the annular packaging table 1 to achieve exhaust, so that each component can be returned to its position.
[0032] The above description is only a preferred specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with the technical field, within the technical scope disclosed by the present invention, who makes equivalent replacements or changes based on the technical solution and inventive concept of the present invention, should be covered by the scope of protection of the present invention.
Claims
1. A packaging device, characterized in that: include Ring packaging table (1); The classification and cleaning chamber (2) and the water chamber (6) are both provided on the annular packaging table (1); A classification cleaning screen frame (3) is slidably arranged in the classification cleaning chamber (2); A chute (5) is provided on the side wall of the classification and cleaning chamber (2); A slide rod (4) is slidably arranged on the slide groove (5), and the classification cleaning screen frame (3) is connected to the slide rod (4); an elastic cord (10), one end of which is fixedly connected to the top wall of the slide groove (5) and the other end of which is connected to the slide rod (4); A support cylinder (11) fixedly connected to the bottom of the water chamber (6); A lifting column (12) is connected to the support cylinder (11) in a sliding and sealing manner; An expansion airbag (13) fixedly connected to the upper end of the lifting column (12); A connecting rope (14), one end of which is connected to the bottom of the slide bar (4) and the other end of which is connected to the bottom of the lifting column (12); An annular hole (7) is provided on the annular packaging platform (1); A cleaning spray hole (8) is provided on the side wall of the classification cleaning chamber (2) and is connected to the annular hole (7); A water inlet (9) with a solenoid valve is provided on the annular packaging platform (1), one end of which is in communication with the annular hole (7) and the other end of which is in communication with the water cavity (6); An infrared distance sensor (19) is fixedly connected to the bottom wall of the slide groove (5), and the infrared distance sensor (19) is located directly below the slide bar (4) and is used to measure the downward distance of the slide bar (4); The water cavity (6) is filled with water, and fruits are placed in the classification and cleaning net frame (3). The infrared distance sensor (19) measures the descending distance, and gas is filled into the expansion airbag (13) according to the measured distance. At this time, the expansion airbag (13) expands, and the electromagnetic valve on the water inlet hole (9) is opened, and the water in the water cavity (6) is sprayed out through the annular hole (7) and the cleaning spray hole (8). At the same time, the expansion airbag (13) floats upward. At this time, the expansion airbag (13) pulls the classification and cleaning net frame (3) downward through the lifting column (12) and the connecting rope (14).
2. A packaging device according to claim 1, characterized in that: The annular packaging platform (1) is provided with an inflation hole (16), and the inflation hole (16) is used for connecting an external inflation pump. The support tube (11) is fixedly connected with an inflation tube (20) in communication with the inflation hole (16). The lifting column (12) is provided with a ventilation slide hole (1201) with a solenoid valve in communication with the expansion airbag (13). The inflation tube (20) is slidably and sealingly connected to the ventilation slide hole (1201).
3. A packaging device according to claim 1, characterized in that: A lifting limit groove is provided on the side wall of the slide groove (5), and a lifting limit block matching the lifting limit groove is fixedly connected to the side wall of the slide rod (4).
4. The packaging equipment according to claim 1, characterized in that: The annular packaging platform (1) is provided with an upper packaging tray (22) and a lower packaging tray (21) each having a receiving groove (23).
5. A packaging device according to claim 4, characterized in that: The bottom wall of the receiving tank (23) is provided with a drainage hole (24) for draining excess water.
6. The packaging device according to claim 4, characterized in that: A first servo motor (25) is fixedly connected to the annular packaging table (1), a driving end of the first servo motor (25) is fixedly connected to a first driving prism, a first driving prism groove matching the first driving prism is provided on the lower packaging plate (21), a second servo motor (26) is fixedly connected to the annular packaging table (1), a driving end of the second servo motor (26) is fixedly connected to an electric push rod (27), a driving end of the electric push rod (27) is fixedly connected to a second driving prism, and a second driving prism groove matching the second driving prism is provided on the upper packaging plate (22).
7. The packaging equipment according to claim 2, characterized in that: The sliding rod (4) is composed of a first support rod (401) and a second support rod (402); a push plug rod (4021) is fixedly connected to the second support rod (402); a push plug cavity (4012) is provided on the first support rod (401); and the push plug rod (4021) is slidably and sealingly connected to the push plug cavity (4012); The annular packaging platform (1) is provided with a driving air hole (15) and a pushing air hole (1501) that are interconnected, the driving air hole (15) is connected to a solenoid valve, and the driving air hole (15) is connected to the inflation hole (16), the pushing air hole (1501) is connected to a conical joint (17) in a sliding and sealing manner, and the conical joint (17) is provided with a joint hole with a pressure valve; A connecting hole (4011) is provided on the first support rod (401), a conical groove sleeve (18) matching the conical joint (17) is fixedly connected to the connecting hole (4011), and two ends of the connecting hole (4011) are respectively connected to the pushing air hole (1501) and the pushing plug cavity (4012).
8. The packaging device according to claim 7, characterized in that: A first resetting elastic cord is fixedly connected to the push plug rod (4021), and the other end of the first resetting elastic cord is connected to the inner wall of the push plug cavity (4012).
9. The packaging device according to claim 7, characterized in that: The conical joint (17) is connected to a second resetting elastic cord, and the second resetting elastic cord is connected to the side wall of the pushing air hole (1501).
10. A packaging method, characterized in that: The packaging device according to claim 7 mainly comprises the following steps: S1, placing the fruits to be packaged in the classification and cleaning net frame (3) in the classification and cleaning chamber (2); S2, after the fruit is placed on the classification and cleaning net frame (3), the classification and cleaning net frame (3) and the slide bar (4) will be driven to move downward, and the distance of the downward movement will be measured by the infrared distance sensor (19); S3, controlling an external air pump to inflate the expansion airbag (13) according to the sliding distance measured in step S2; S4, the expansion airbag (13) is inflated and the electromagnetic valve on the water inlet (9) is opened simultaneously, and the water in the water chamber (6) enters the annular hole (7) and is sprayed out through the cleaning spray hole (8); S5. At the same time, the inflatable airbag (13) moves upward and drives the slide bar (4) to move downward through the lifting column (12) and the connecting rope (14). The infrared distance sensor (19) measures the sliding distance. When the slide bar reaches the set position, the ventilation slide hole (1201) on the lifting column (12) is closed. S6. Open the solenoid valve on the driving air hole (15), and the air flow enters the pushing air hole (1501), pushing the conical joint (17) to be inserted into the conical groove sleeve (18) on the first support rod (401). Then, the joint hole pressure valve of the conical joint (17) is opened, and the air flow enters the pushing plug cavity (4012) through the connecting hole (4011), pushing the pushing plug rod (4021) to drive the second support rod (402) to move; S7. After the second support rod (402) moves to the top of the packaging plate, it pushes the pressure valve of the sliding hole (4022) on the plug rod (4021) to open, and the airflow enters the sliding cavity (4023), thereby pushing the sliding plug (4024) with the driving rack (4025) to move, thereby driving the rotating shaft (302) with the gear teeth to rotate, thereby driving the classification cleaning frame (3) to rotate and clean, completing one cleaning and packaging.