An adaptive sorting device and method and harvester suitable for the harvesting of head vegetables

Abstract

The application provides a self-adaptive sorting device and method and a harvesting machine suitable for harvesting of head vegetables, comprising a belt sorting table, a driving component, a support frame and a control unit; the belt sorting table and the driving component are installed on the support frame, the driving component is connected with the belt sorting table, and the driving component is used for driving the belt sorting table to convey the head vegetables; the belt sorting table is provided with a resistance strain type weighing sensor; the control unit is connected with the resistance strain type weighing sensor and the driving component respectively; the resistance strain type weighing sensor is used for detecting weight information of the head vegetables at the front end of the belt sorting table and transmitting the weight information to the control unit, and the control unit controls the conveying speed of the belt sorting table according to the weight information. The application is favorable for ensuring that each head vegetable has sufficient time to be accurately sorted, improving the harvesting efficiency of broccoli, reducing the labor quantity, being easy to popularize, and providing equipment support for large-scale production of head vegetables.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of agricultural machinery, and particularly relates to a self-adaptive sorting device and method suitable for harvesting of head vegetables and a harvesting machine. BACKGROUND

[0002] Head vegetables are a common type of vegetables, such as cabbage and Chinese cabbage. During the growth process, the leaves of such vegetables will gradually curl inward to form a tight ball, protecting the tender leaves and buds inside. The sorting process is crucial for ensuring the quality and market value of the vegetables.

[0003] In the traditional harvesting process of head vegetables, manual picking and sorting are often relied on, which not only has low efficiency, but also easily causes damage to the vegetables, affecting their quality and shelf life. Therefore, the development of a sorting device suitable for the conveying of head vegetables is of great significance for improving the efficiency of agricultural production and ensuring the quality of vegetables. SUMMARY

[0004] To solve the above technical problems, the present application provides a self-adaptive sorting device and method suitable for harvesting of head vegetables, which is beneficial to ensure that each head vegetable has enough time to be accurately sorted, improve the harvesting efficiency of broccoli, reduce the amount of manual labor, and is easy to popularize, providing equipment support for large-scale production of head vegetables.

[0005] The present application also provides a harvesting machine comprising the self-adaptive sorting device suitable for harvesting of head vegetables.

[0006] Note that the description of these objects does not hinder the existence of other objects. One embodiment of the present application does not need to achieve all the above-mentioned objects. The objects other than the above-mentioned objects can be extracted from the description, drawings, and claims.

[0007] The present application achieves the above technical objects through the following technical means.

[0008] A self-adaptive sorting device suitable for harvesting of head vegetables, comprising a belt sorting table, a driving component, a support frame, and a control unit.

[0009] The belt sorting table and the driving component are installed on the support frame, the driving component is connected with the belt sorting table, and the driving component is used to drive the belt sorting table to convey the head vegetables; the belt sorting table is provided with a resistance strain type weighing sensor.

[0010] The control unit is connected with the resistance strain type weighing sensor and the driving component respectively; the resistance strain type weighing sensor is used to detect the weight information of the head vegetables at the front end of the belt sorting table and transmit it to the control unit, and the control unit controls the conveying speed of the belt sorting table according to the weight information.

[0011] The belt sorting table further comprises a driving roller, a driven sprocket, a support plate, a belt base plate and a driven roller.

[0012] The driving roller and the driven roller are respectively installed at two ends of the belt base plate, the driven sprocket is installed at the side of the driving roller, and the two sides of the belt base plate are respectively provided with the support plates; the belt is installed on the driving roller, the belt base plate and the driven roller.

[0013] The resistance strain type weighing sensor is installed at the front end of the belt base plate and is used for detecting the weight information of the bunched vegetables at the front end of the belt.

[0014] Further, the belt sorting table further comprises a tail cover and a head cover.

[0015] The two ends of the support plate are respectively provided with the tail cover and the head cover.

[0016] The driving roller is installed between the two head covers, and the driven sprocket is installed outside the head cover.

[0017] The driven roller is installed between the two tail covers.

[0018] Further, the belt sorting table further comprises a round pipe frame.

[0019] The round pipe frame is installed on the belt base plate and above the four sides of the belt base plate.

[0020] Further, a welding gasket is arranged between the support plate and the round pipe frame.

[0021] In the above scheme, the driving component comprises a conveying motor part; the conveying motor part comprises a motor driven sprocket, a rear cover, a machine shell, a machine cover, a speed reducer, an output shaft and a room temperature motor.

[0022] The room temperature motor is installed in the machine shell, and one end of the machine shell is provided with the rear cover.

[0023] The other end of the machine shell is provided with the machine cover at the connection position of the speed reducer.

[0024] The power of the room temperature motor is transmitted to the output shaft through the speed reducer, the output shaft is connected with the motor driven sprocket, the motor driven sprocket is connected with the driven sprocket through the transmission chain, and the room temperature motor is connected with the control unit.

[0025] Further, the conveying motor part further comprises a mounting plate; the mounting plate is installed between the motor driven sprocket and the speed reducer, and the motor driven sprocket is installed outside the motor mounting plate.

[0026] Further, a motor shield is arranged outside the conveying motor part.

[0027] The motor shield comprises an upper shield, a shield mounting plate and a lower shield; the upper shield and the lower shield are connected to form a main body of the motor shield, one end of the shield mounting plate is connected with the main body of the motor shield, and the other end is connected with the mounting plate.

[0028] A harvester comprising an adaptive sorting device suitable for harvesting of cabbages.

[0029] A control method of the adaptive sorting device suitable for harvesting of cabbages, comprising the following steps:

[0030] The driving component drives the belt sorting table to convey the cabbages, the resistance strain type weighing sensor detects the weight information of the cabbages entering the front end of the belt sorting table and transmits the weight information to the control unit, the control unit compares the detected weight information with a preset value, when the detected value is greater than the preset value, the control unit controls the driving component to reduce the rotating speed, so that the conveying speed of the belt sorting table for the cabbages becomes smaller, and when the detected value is smaller than the preset value, the control unit controls the driving component to increase the rotating speed, so that the conveying speed of the belt sorting table for the cabbages becomes larger.

[0031] Compared with the prior art, the present application has the following beneficial effects:

[0032] The driving component drives the belt sorting table to convey the cabbages, the resistance strain type weighing sensor detects the weight information of the cabbages entering the front end of the belt sorting table and transmits the weight information to the control unit, the control unit compares the detected weight information with a preset value, when the detected value is greater than the preset value, the control unit controls the driving component to reduce the rotating speed, so that the conveying speed of the belt sorting table for the cabbages becomes smaller, and when the detected value is smaller than the preset value, the control unit controls the driving component to increase the rotating speed, so that the conveying speed of the belt sorting table for the cabbages becomes larger; the present application changes the rotating speed of the motor by sensing the change of the mass through the resistance strain type weighing sensor, so as to ensure that each cabbage has enough time to be accurately sorted, the working principle of the present application is simple, but the continuous and rapid sorting operation can be realized, the harvesting efficiency of the cabbages is greatly improved, the manual labor is reduced, the present application is easy to popularize, and equipment support is provided for large-scale production of cabbages.

[0033] Note that the description of these effects does not preclude the presence of other effects. One embodiment of the present application does not necessarily have all of the above-mentioned effects. Effects in addition to the above can be apparent from the description, drawings, claims, and the like. BRIEF DESCRIPTION OF DRAWINGS

[0034] Figure 1 It is an overall structure schematic view of the sorting device suitable for conveying of cabbages according to an embodiment of the present application.

[0035] Figure 2The schematic diagram of the belt sorting table structure of the sorting device for the cored head vegetable conveying according to an embodiment of the present application.

[0036] Figure 3 The schematic diagram of the motor shield structure of the sorting device for the cored head vegetable conveying according to an embodiment of the present application.

[0037] Figure 4 The schematic diagram of the conveying motor part structure of the sorting device for the cored head vegetable conveying according to an embodiment of the present application.

[0038] Figure 5 The schematic diagram of the conveying motor part side view of the sorting device for the cored head vegetable conveying according to an embodiment of the present application.

[0039] Figure 6 The schematic diagram of the support rack structure of the sorting device for the cored head vegetable conveying according to an embodiment of the present application.

[0040] Figure 7 The room temperature motor rotating speed change control diagram of the sorting device for the cored head vegetable conveying according to an embodiment of the present application.

[0041] Figure 8 The schematic diagram of the whole machine of the sorting device for the cored head vegetable conveying according to an embodiment of the present application.

[0042] In the figure:

[0043] 1-belt sorting table; 2-motor shield; 3-conveying motor part; 4-support rack; 101-driving roller; 102-driven sprocket; 103-support plate; 104-welding gasket; 105-circular tube frame; 106-belt gasket plate; 107-driven roller; 108-tail cover; 109-head cover; 110-resistance strain type weighing sensor; 201-upper shield; 202-shield mounting plate; 203-lower shield; 301-mounting plate; 302-motor driven sprocket; 303-reduction box cover nail; 304-rear cover; 305-casing; 306-rear cover nail; 307-machine cover; 308-reduction box; 309-output shaft; 310-room temperature motor; 401-first conveying table mounting plate; 402-second conveying table mounting plate; 403-first long mounting plate; 404-third conveying table mounting plate; 405-second long mounting plate; 406-third long mounting plate; 407-fourth conveying table mounting plate; 408-first vertical mounting plate; 409-second vertical mounting plate; 410-third vertical mounting plate; 411-fourth vertical mounting plate; 412-fifth vertical mounting plate; 413-fourth long mounting plate; 414-horizontal mounting plate. DETAILED DESCRIPTION

[0044] Embodiments of the present application are described below in detail with reference to the accompanying drawings, wherein the same or similar components are denoted by the same or similar reference numerals throughout the drawings. The embodiments described below by reference to the drawings are exemplary and are intended to explain the present application, and are not to be understood as limiting the present application.

[0045] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "front", "back", "left", "right", "up", "down", "axial", "radial", "vertical", "horizontal", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise explicitly specified and limited.

[0046] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0047] Embodiment 1

[0048] Figure 1 A preferred embodiment of the self-adaptive sorting device for harvesting of cabbages according to the present application is shown, which comprises a belt sorting table 1, a driving component, a support frame 4 and a control unit;

[0049] The belt sorting table 1 and the driving component are mounted on the support frame 4, the driving component is connected with the belt sorting table 1, and the driving component is used to drive the belt sorting table 1 to convey cabbages; the belt sorting table 1 is provided with a resistance strain type weighing sensor 110;

[0050] The control unit is connected with the resistance strain type weighing sensor 110 and the driving component respectively; the resistance strain type weighing sensor 110 is used for detecting the weight information of the ball-shaped vegetables at the front end of the belt sorting table 1 and transmitting the weight information to the control unit, and the control unit controls the conveying speed of the belt sorting table 1 according to the weight information.

[0051] As shown in Figure 2 The belt sorting table 1 further comprises a driving roller 101, a driven sprocket 102, a support plate 103, a belt backing plate 106 and a driven roller 107.

[0052] The driving roller 101 and the driven roller 107 are respectively installed at two ends of the belt backing plate 106, the driven sprocket 102 is installed at the side of the driving roller 101, and the two sides of the belt backing plate 106 are respectively provided with the support plates 103; the belt is installed on the driving roller 101, the belt backing plate 106 and the driven roller 107.

[0053] The resistance strain type weighing sensor 110 is installed at the front end of the belt backing plate 106 and is used for detecting the weight information of the ball-shaped vegetables at the front end of the belt.

[0054] The belt sorting table 1 further comprises a tail cover 108 and a head cover 109; the two ends of the support plate 103 are respectively provided with the tail cover 108 and the head cover 109; the driving roller 101 is installed between the two head covers 109, and the driven sprocket 102 is installed outside the head cover 109; the driven roller 107 is installed between the two tail covers 108.

[0055] The belt sorting table 1 further comprises a round pipe frame 105; the round pipe frame 105 is installed on the belt backing plate 106 and is located above the four sides of the belt backing plate 106, so as to prevent the ball-shaped vegetables from falling to the ground during transportation. Further, the side rear of the belt backing plate 106 is not provided with the round pipe frame 105, so as to facilitate sorting.

[0056] Welding shims 104 are arranged between the support plates 103 and the round pipe frame 105, so as to facilitate welding.

[0057] The support plate 103 is made of aluminum plate, which is beneficial to the lightweight of the device.

[0058] The driving roller 101 is driven to rotate by the driving component, and provides power for the whole sorting system, and the driving roller 101 rotates to drive the driven sprocket 102 to rotate, and plays a role of power transmission, the supporting plate 103 plays a role of supporting heavy objects on the sorting table, the welding gasket 104 facilitates welding of the circular tube frame 105 with the tail cover 108 or the head cover 109, the circular tube frame 105 is conducive to preventing the cabbages from falling to the ground during transportation, the belt pad 106 plays a role of paving and supporting the belt to support the cabbages, the driven roller 107 is matched with the driving roller 101 to realize power transmission, the resistance strain type weighing sensor 110 is used for detecting the weight of the cabbages on the belt pad 106, and transmits the weight to the control unit, the control unit compares the detected weight information with a preset value, and controls the driving component to change the conveying speed of the belt sorting table 1 according to the comparison result.

[0059] As shown in Figure 4 and 5 The driving component includes a conveying motor part 3; the conveying motor part 3 includes a motor driven sprocket 302, a reduction box cover nail 303, a rear cover 304, a machine shell 305, a rear cover nail 306, a machine cover 307, a reduction box 308, an output shaft 309 and a room temperature motor 310; the room temperature motor 310 is installed in the machine shell 305, one end of the machine shell 305 is provided with the rear cover 304, and the rear cover 304 is fixed with the machine shell 305 through the rear cover nail 306 around; the other end of the machine shell 305 is provided with the machine cover 307 at the connection with the reduction box 308, and the machine cover 307 is fixed with the reduction box 308 through the reduction box cover nail 303 around; the power of the room temperature motor 310 is transmitted to the output shaft 309 through the reduction box 308, and the output shaft 309 is connected with the motor driven sprocket 302; the motor driven sprocket 302 is connected with the driven sprocket 102 through a conveying chain; and the room temperature motor 310 is connected with a control unit.

[0060] The conveying motor part 3 further includes a mounting plate 301; the mounting plate 301 is installed between the motor driven sprocket 302 and the reduction box 308, and the motor driven sprocket 302 is installed outside the motor mounting plate 301.

[0061] The mounting plate 301 facilitates the installation of the conveying motor part 3, the motor driven sprocket 302 is responsible for transmitting the power generated by the room temperature motor 310, the deceleration box cover nail 303 plays a fastening role, the rear cover 304, the casing 305 and the machine cover 307 play a protective role for the room temperature motor 310, the deceleration box 308 is responsible for bearing a larger load and converting the high-speed rotating force input by the motor into a slower output rotating speed, the output shaft 309 transmits power to the motor driven sprocket 302, and the room temperature motor 310 is responsible for generating power. The control unit controls the room temperature motor 310 to reduce the rotating speed if the weight sensed by the resistance strain type weighing sensor 110 is greater than the preset value, and controls the room temperature motor 310 to increase the rotating speed if the weight sensed by the resistance strain type weighing sensor 110 is less than the preset value.

[0062] As shown in Figure 3 , the conveying motor part 3 is externally provided with a motor shield 2; the motor shield 2 comprises an upper shield 201, a shield mounting plate 202 and a lower shield 203; the upper shield 201 and the lower shield 203 form the main body of the motor shield 2, one end of the shield mounting plate 202 is connected with the main body of the motor shield 2, and the other end is connected with the mounting plate 301. The upper shield 201 and the lower shield 203 are separately arranged for easy disassembly. The upper shield 201 and the lower shield 203 play a role in protecting the conveying motor part 3 from external damage, and the shield mounting plate 202 plays a role in connecting with the mounting plate 301.

[0063] As shown in Figure 6 , the support rack 4 comprises a first conveying table mounting plate 401, a second conveying table mounting plate 402, a first long mounting plate I 403, a third conveying table mounting plate 404, a second long mounting plate 405, a third long mounting plate 406, a fourth conveying table mounting plate 407, a first vertical mounting plate I 408, a second vertical mounting plate 409, a third vertical mounting plate 410, a fourth vertical mounting plate 411, a fifth vertical mounting plate 412, a fourth long mounting plate 413 and a horizontal mounting plate 414. The first conveying table mounting plate 401 and the fourth conveying table mounting plate 407 are mounted on the third long mounting plate 406, the second conveying table mounting plate 402 is mounted on the first long mounting plate 403, the third conveying table mounting plate 404 is mounted on the second long mounting plate 405, the first vertical mounting plate I 408 and the fifth vertical mounting plate 412 are mounted below the third long mounting plate 406, the second vertical mounting plate 409 is mounted below the second conveying table mounting plate 402, the third vertical mounting plate 410 is mounted below the intersection of the first long mounting plate 403 and the second long mounting plate 405, and the fourth vertical mounting plate 411 is mounted below the second long mounting plate 405.

[0064] The first long mounting plate 403, the second long mounting plate 405, the third long mounting plate 406, the fourth long mounting plate 413 and the horizontal mounting plate 414 play a reinforcing role to prevent the support frame 4 from falling off, the first vertical mounting plate 408, the second vertical mounting plate 409, the third vertical mounting plate 410, the fourth vertical mounting plate 411, the fifth vertical mounting plate V412 and the fourth long mounting plate 413 play a supporting role to the belt sorting table 1, and the first conveying table mounting plate 401, the second conveying table mounting plate 402, the third conveying table mounting plate 404 and the fourth conveying table mounting plate 407 mainly facilitate the connection of the support frame 4 and the belt sorting table 1.

[0065] As shown in Figure 7 A control method of the adaptive sorting device suitable for harvesting of cabbages, comprising the following steps:

[0066] The room temperature motor 310 of the driving component provides power to rotate the driving roller 101 and the driven roller 107, drives the belt to rotate, and conveys the cabbages; the resistance strain type weighing sensor 110 detects the weight information of the cabbages at the front end of the belt sorting table 1 and transmits the weight information to the control unit; the control unit compares the detected weight information with a preset value; when the detected value is greater than the preset value, the control unit controls the room temperature motor 310 of the driving component to reduce the rotating speed, so that the conveying speed of the belt sorting table 1 for the cabbages becomes smaller; and when the detected value is less than the preset value, the control unit controls the room temperature motor 310 of the driving component to increase the rotating speed, so that the conveying speed of the belt sorting table 1 for the cabbages becomes larger.

[0067] The resistance strain type weighing sensor 110 detects the change of the weight information of the cabbages at the front end of the belt sorting table 1, so that the rotating speed of the room temperature motor 310 is changed, which is beneficial to ensure that each cabbage has enough time to be accurately sorted.

[0068] Embodiment 2

[0069] Figure 8 As shown in the figure, a harvester comprises the adaptive sorting device and method suitable for harvesting of cabbages according to embodiment 1, and thus has the beneficial effects of embodiment 1, which will not be described here.

[0070] It should be understood that although the present specification is described according to various embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be combined to form other embodiments which can be understood by those skilled in the art.

[0071] The above detailed description merely illustrates feasible embodiments of the present application, and is not intended to limit the protection scope of the present application, and equivalent embodiments or changes made without departing from the spirit of the present application shall be included in the protection scope of the present application.

Claims

1. A self-adapting sorting device suitable for the harvesting of cabbages, characterized in that, The belt sorting table (1), a driving component, a support frame (4) and a control unit are included. The belt sorting table (1) and the driving component are installed on the support frame (4), the driving component is connected with the belt sorting table (1), and the driving component is used for driving the belt sorting table (1) to convey the balling vegetables; the belt sorting table (1) is provided with a resistance strain type weighing sensor (110). The control unit is connected with the resistance strain type weighing sensor (110) and the driving component respectively; the resistance strain type weighing sensor (110) is used for detecting the weight information of the balling vegetables at the front end of the belt sorting table (1) and transmitting the weight information to the control unit. The belt sorting table (1) further includes a driving roller (101), a driven sprocket (102), a support plate (103), a belt backing plate (106) and a driven roller (107). The driving roller (101) and the driven roller (107) are respectively installed at two ends of the belt backing plate (106), the driven sprocket (102) is installed at the side of the driving roller (101), and the two sides of the belt backing plate (106) are respectively provided with the support plate (103); a belt is installed on the driving roller (101), the belt backing plate (106) and the driven roller (107). The resistance strain type weighing sensor (110) is installed at the front end of the belt backing plate (106) and is used for detecting the weight information of the balling vegetables at the front end of the belt. The control unit is configured to control the conveying speed of the belt sorting table (1) according to the weight information, specifically, the control unit compares the detected weight information with a preset value, when the detected value is greater than the preset value, the control unit controls the driving component to reduce the rotating speed, so that the conveying speed of the belt sorting table (1) for the balling vegetables becomes smaller; when the detected value is less than the preset value, the control unit controls the driving component to increase the rotating speed, so that the conveying speed of the belt sorting table (1) for the balling vegetables becomes larger.

2. The self-adapting sorting device suitable for globe vegetable harvesting according to claim 1, characterized in that, The belt sorting table (1) further includes a tail cover (108) and a head cover (109). The two ends of the support plate (103) are respectively provided with the tail cover (108) and the head cover (109). The driving roller (101) is installed between the two head covers (109), and the driven sprocket (102) is installed outside the head cover (109). The driven roller (107) is installed between the two tail covers (108).

3. The self-adapting sorting device suitable for globe vegetable harvesting according to claim 1, characterized in that, The belt sorting table (1) further includes a round pipe frame (105). The round pipe frame (105) is installed on the belt backing plate (106) and is located above the belt backing plate (106) around.

4. The self-adapting sorting device suitable for globe vegetable harvesting according to claim 3, characterized in that, A welding gasket (104) is arranged between the support plate (103) and the round pipe frame (105).

5. The self-adapting sorting device suitable for globe vegetable harvesting according to claim 1, characterized in that, The driving component includes a conveying motor part (3); the conveying motor part (3) includes a motor driven sprocket (302), a rear cover (304), a machine shell (305), a machine cover (307), a speed reducer (308), an output shaft (309) and a room temperature motor (310). The room temperature motor (310) is installed in the machine shell (305), and one end of the machine shell (305) is provided with the rear cover (304); The other end of the machine shell (305) is provided with the machine cover (307) at the connection position of the speed reducer (308). The power of the room temperature motor (310) is transmitted to the output shaft (309) through the speed reducer (308), and the output shaft (309) is connected with the motor driven sprocket (302); the motor driven sprocket (302) is connected with the driven sprocket (102) through the transmission chain; the room temperature motor (310) is connected with the control unit.

6. The self-adapting sorting device suitable for globe vegetable harvesting according to claim 5, characterized in that, The conveying motor part (3) further comprises a mounting plate (301); the mounting plate (301) is installed between the motor driven sprocket (302) and the speed reducer (308), and the motor driven sprocket (302) is installed outside the motor mounting plate (301).

7. The self-adapting sorting device suitable for globe vegetable harvesting according to claim 6, characterized in that, The conveying motor part (3) is externally provided with a motor shield (2); The motor shield (2) comprises an upper shield (201), a shield mounting plate (202) and a lower shield (203); the upper shield (201) and the lower shield (203) are connected to form the main body of the motor shield (2), one end of the shield mounting plate (202) is connected with the main body of the motor shield (2), and the other end is connected with the mounting plate (301).

8. A harvester characterized by The self-adaptive sorting device for harvesting of head vegetables comprises the self-adaptive sorting device for harvesting of head vegetables according to any one of claims 1-7.

9. A control method for an adaptive sorting device suitable for the harvesting of cabbages according to any one of claims 1-7, characterized in that, The method comprises the following steps: The driving component drives the belt sorting table (1) to convey the head vegetables, the resistance strain type weighing sensor (110) detects the weight information of the head vegetables entering the front end of the belt sorting table (1) and transmits the weight information to the control unit, the control unit compares the detected weight information with the preset value, when the detected value is greater than the preset value, the control unit controls the driving component to reduce the rotating speed, so that the conveying speed of the belt sorting table (1) for the head vegetables is reduced; when the detected value is less than the preset value, the control unit controls the driving component to increase the rotating speed, so that the conveying speed of the belt sorting table (1) for the head vegetables is increased.

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