A Hami melon sorting device

Abstract

This utility model relates to the field of sorting device technology and discloses a cantaloupe sorting device, including a weighing and sorting transmission rail, a limiting component, and a sorting channel. Several positioning seats are installed on the top of the weighing and sorting transmission rail. The limiting component is located on the top of the positioning seats and includes a limiting baffle, a main baffle, and several secondary baffles. The limiting baffle, the main baffle, and the several secondary baffles are respectively located on both sides of the positioning seats. The main baffle and the several secondary baffles belong to the same side of the positioning seats. When the conveyor in the weighing and sorting section stops or jumps out of its slot, the positioning seats will generate instantaneous acceleration. Due to inertia, the cantaloupe will shift in the opposite direction or laterally. At this time, the main baffle and the limiting baffle limit the cantaloupe on both sides of the detection and transport section. When the cantaloupe collides with the rubber pad, the rubber pad will absorb the impact force through its own elastic deformation, forming a buffer effect and avoiding surface scratches, dents, and other shape problems caused by direct collision.

Description

Technical Field

[0001] This utility model relates to the field of sorting device technology, and in particular to a cantaloupe sorting device. Background Technology

[0002] Hami melon sorting devices are automated / semi-automated equipment designed for the grading and sorting needs of Hami melons after harvest. By integrating modules such as conveying, detection, and sorting, they can achieve accurate classification according to indicators such as weight, size, maturity, and appearance defects. They are suitable for agricultural product processing enterprises, fruit and vegetable wholesale markets, and e-commerce cold chain warehouses, significantly improving sorting efficiency and product standardization. Existing sorting devices are automatic fruit and vegetable sorting and conveying devices with the functions of "positioning seat + automatic weighing + tilting feeding". Their technical name is "positioning weighing and conveying system for automatic fruit and vegetable sorting" (or "integrated fruit and vegetable weighing and sorting conveyor" in more specific scenarios). They belong to the sub-type of "sorting and conveying equipment" in agricultural product processing equipment. The core feature is that the functions of "transmission positioning", "weight detection" and "sorting and unloading (tilting feeding)" are integrated into the transmission process, rather than a single transmission component.

[0003] Existing positioning weighing and conveying systems typically use symmetrical grooves (such as V-shaped or arc-shaped) or flat support structures for their positioning seats. Oval-shaped cantaloupes lack support at both ends, making them prone to wobbling and instability during transport. Larger cantaloupes exceeding the seating area of ​​the seat can also cause instability. When the conveying device stops or adjusts its speed, the positioning seat experiences instantaneous acceleration. Due to inertia, the cantaloupes may shift in the opposite direction or laterally. If there are no obstructions on either side, and the shift exceeds the positioning seat's bearing capacity, the fruit may slide off the side, increasing fruit loss. Furthermore, existing sorting and feeding channels have a fixed height, but individual cantaloupes vary in size, creating a height difference with the channel. During feeding, the cantaloupes pass through the sorting and feeding channel, creating impact and damaging the fruit. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a cantaloupe sorting device.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: A cantaloupe sorting device includes a weighing and sorting conveyor rail, a limiting component, and sorting channels. A plurality of positioning seats are mounted on the top of the weighing and sorting conveyor rail. The limiting component is located on top of the positioning seats and includes a limiting baffle, a main baffle, and a plurality of secondary baffles. The limiting baffle, the main baffle, and the plurality of secondary baffles are respectively located on both sides of the positioning seats. The main baffle and the plurality of secondary baffles belong to the same side of the positioning seats. The plurality of sorting channels and the secondary baffles are located on the same side of the weighing and sorting conveyor rail. The plurality of secondary baffles are staggered between the plurality of sorting channels. Rubber pads are fixedly connected to the opposite side of the limiting baffle, the main baffle, and the plurality of secondary baffles. A support frame is fixedly mounted on the base of the weighing and sorting conveyor rail near the main baffle. A displacement component is mounted on one side of the support frame, and the limiting component is mounted on the displacement component.

[0006] As a further embodiment of this utility model, the displacement assembly includes an active bidirectional lead screw, a driven bidirectional lead screw, a slide bar, and a limiting rod. The limiting assembly is threadedly connected to both ends of the active bidirectional lead screw and the driven bidirectional lead screw. A limiting rod is provided at the top of the driven bidirectional lead screw. A positioning plate is fixedly connected to one end of the limiting rod, and the other end of the limiting rod passes through the secondary baffle and is fixedly connected to one side of the support frame. One end of the driven bidirectional lead screw is rotatably connected to the positioning plate.

[0007] As a further embodiment of this utility model, one end of the active bidirectional lead screw is integrally connected to a positioning pad, and a slide rod is provided on one side of the active bidirectional lead screw. The limiting baffle and the main baffle are both slidably connected to the slide rod. At the same time, both ends of the active bidirectional lead screw are threadedly connected to the limiting baffle and the main baffle, while both ends of the driven bidirectional lead screw are respectively threadedly connected to the limiting baffle and the secondary baffle. Several gear shafts are rotatably connected inside the top of the support frame. A toothed belt is fitted inside the tooth groove of the gear shaft. The toothed belt meshes with the tooth column of the gear shaft. One end of both the active bidirectional lead screw and the driven bidirectional lead screw passes through the side plate of the support frame and is fixedly connected to one side of the gear shaft.

[0008] As a further embodiment of this utility model, a slide groove is provided through the top of the sorting channel, a buffer pad is fixedly installed on the inner wall of the slide groove, a square groove is provided on one side of the buffer pad, a limiting plate is provided inside the slide groove, the limiting plate is located on the top of the buffer pad, the sorting channel includes a rotating shaft and a drive motor, one end of the limiting plate is fixedly connected to the middle of the rotating shaft, and both ends of the rotating shaft are rotatably connected to the mounting bracket on the inner wall of the slide groove.

[0009] As a further embodiment of this utility model, a protective shell is fixedly connected to the bottom of the sorting channel, the drive motor is fixedly installed inside the protective shell, the output end of the drive motor is fixedly connected to the bottom end of the rotating shaft, the size of the limiting plate matches the square groove, a lifting seat is provided at the bottom of the sorting channel, and multiple sets of drive cylinders are fixedly connected to the top of the lifting seat.

[0010] As a further embodiment of this utility model, an electrical control box is provided between several of the driving cylinders. The electrical control box is fixedly installed on the top of the lifting seat. Several lifting plates are provided on the top of the lifting seat. The telescopic end of the driving cylinder is fixedly connected to the bottom of the lifting plate. The lifting plate is located at the bottom of the sorting channel. The bottom of several sorting channels is fixedly connected to the top of several lifting plates.

[0011] Compared with the prior art, the present invention has the following beneficial effects: The cantaloupes are fed onto the positioning seats at the top of the weighing and sorting conveyor rail. These seats support the cantaloupes, and the conveyor rail causes the positioning seats and cantaloupes to shift. When the conveyor stops or skips a chute, the positioning seats experience instantaneous acceleration. Due to inertia, the cantaloupes may shift in the opposite direction or laterally. At this time, the main baffle and limit baffles restrict the cantaloupes on both sides of the inspection and transport section, preventing them from falling and being damaged, thus affecting sorting quality and increasing the loss rate during sorting. When the cantaloupes are transported to the sorting channel after inspection, several baffles are interspersed between multiple sets of decomposition channels to protect and limit the cantaloupes transported in the sorting channel. If a cantaloupe deviates and impacts one side of the main baffle and secondary baffles, the rubber pads will absorb the impact force through their elastic deformation, creating a buffer effect and preventing surface scratches, dents, and other cosmetic problems caused by direct collisions, effectively reducing the defect rate of cantaloupes caused by physical damage.

[0012] There are many varieties of Hami melons, and their sizes vary. When sorting smaller Hami melons, workers activate a drive cylinder via an electrical control box. The extension end of the drive cylinder pushes a lifting plate against the corresponding sorting channel, allowing the Hami melons to be fed at a suitable height and angle. This further reduces the impact force during feeding, effectively preventing damage to the Hami melons, ensuring their quality, and improving the quality of sorting and processing. Attached Figure Description

[0013] Figure 1 This is a three-dimensional structural diagram of a cantaloupe sorting device proposed in this utility model; Figure 2 This is a schematic diagram of the displacement component of a cantaloupe sorting device proposed in this utility model; Figure 3 This is a schematic diagram showing the disassembled structure of the displacement component of a cantaloupe sorting device proposed in this utility model; Figure 4 This is a schematic diagram showing the disassembled structure of the sorting channel of a cantaloupe sorting device proposed in this utility model; Figure 5 This is a schematic diagram of the lifting seat of a cantaloupe sorting device proposed in this utility model.

[0014] In the diagram: 1. Weighing and sorting conveyor rail; 101. Positioning seat; 2. Limiting component; 201. Limiting baffle; 202. Main baffle; 203. Secondary baffle; 204. Rubber pad; 3. Displacement component; 301. Active double-acting screw; 302. Slide bar; 303. Driven double-acting screw; 304. Limiting rod; 305. Gear shaft; 306. Toothed belt; 307. Positioning plate; 4. Support frame; 5. Sorting channel; 501. Slide groove; 502. Buffer pad; 503. Limiting plate; 504. Rotating shaft; 505. Drive motor; 506. Protective shell; 6. Lifting seat; 601. Drive cylinder; 602. Electrical control box; 603. Lifting plate. Detailed Implementation

[0015] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0016] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," and "the other end," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0017] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," and "connected," etc., should be interpreted broadly. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0018] Reference Figures 1-5A cantaloupe sorting device includes a weighing and sorting conveyor rail 1, a limiting component 2, and a sorting channel 5. Several positioning seats 101 are mounted on the top of the weighing and sorting conveyor rail 1. The limiting component 2 is located on top of the positioning seats 101 and includes a limiting baffle 201, a main baffle 202, and several secondary baffles 203. The limiting baffle 201, the main baffle 202, and the several secondary baffles 203 are respectively located on both sides of the positioning seats 101. The main baffle 202 and the several secondary baffles 203 are both part of the positioning system. On one side of seat 101, several sorting channels 5 and secondary baffles 203 are located on the same side of weighing and sorting transmission rail 1. Several secondary baffles 203 are staggered between several sorting channels 5. The side of the limiting baffle 201 opposite to the main baffle 202 and several secondary baffles 203 is fixedly connected with rubber pads 204. A support frame 4 is fixedly installed on the base of the weighing and sorting transmission rail 1 near the main baffle 202. A displacement component 3 is installed on one side of the support frame 4. The limiting component 2 is installed on the displacement component 3.

[0019] As can be seen from the attached diagram, the sorting device diagram is a "partial sectional view" of the overall device, showing only a representative section (sorting channel section) of the overall equipment. The cantaloupes are fed onto the top positioning seat 101 of the weighing and sorting conveyor rail 1. The positioning seat 101 lifts the cantaloupes, and the weighing and sorting conveyor rail 1 moves the positioning seat 101 and the cantaloupes accordingly. When the conveyor on the weighing and sorting rail stops or skips a chute, the positioning seat 101 generates instantaneous acceleration. Due to inertia, the cantaloupes will shift in the opposite direction or laterally. At this time, the main baffle 202 and the limiting baffle 201 limit the movement of the cantaloupes on both sides of the transport section. When the cantaloupes are transported to the sorting and distribution section after inspection, several baffles 203 are interspersed between multiple sets of decomposition channels to protect and limit the cantaloupes transported in the sorting and distribution section. If the cantaloupes deviate and collide with one side of the main baffle 202 and the secondary baffle 203, the rubber pad 204 will absorb the impact force through its own elastic deformation, forming a buffer effect, avoiding skin scratches, dents and other shape problems caused by direct collision, and effectively reducing the defect rate of cantaloupes caused by physical damage.

[0020] In this embodiment, the displacement component 3 includes an active bidirectional lead screw 301, a driven bidirectional lead screw 303, a slide bar 302, and a limiting rod 304. The limiting component 2 is threadedly connected to both ends of the active bidirectional lead screw 301 and the driven bidirectional lead screw 303. The driven bidirectional lead screw 303 is provided with a limiting rod 304 at its top. One end of the limiting rod 304 is fixedly connected to a positioning plate 307, and the other end of the limiting rod 304 passes through the secondary baffle 203 and is fixedly connected to one side of the support frame 4. One end of the driven bidirectional lead screw 303 is rotatably connected to the positioning plate 307.

[0021] In use, a servo motor is fixedly installed on the back side of the first end of the support frame 4. The output end of the servo motor is fixedly installed with the displacement component 3, which can drive the displacement component 3 to operate. First, start the servo motor on the back side of the first end of the support frame 4. Its output end will directly drive the displacement component 3 to operate. Specifically, it will drive the gear shaft 305 inside the support frame 4 to rotate. Since the gear shaft 305 and the toothed belt 306 mesh with each other, the rotating gear shaft 305 will drive other gear shafts 305 to rotate synchronously through the toothed belt 306. The active bidirectional lead screw 301 and the driven bidirectional lead screw 303 are connected by a single drive mechanism. All ends pass through the side plates of the support frame 4 and are fixedly connected to these synchronously rotating gear shafts 305. Therefore, the gear shafts 305 will rotate together with the active bidirectional lead screw 301 and the driven bidirectional lead screw 303. The limiting baffle 201, the main baffle 202, and the secondary baffles 203 of several individual plates rotate and move with the active bidirectional lead screw 301 and the driven bidirectional lead screw 303, adjusting the distance between the limiting baffle 201 and the main baffle 202 and the secondary baffles 203. This is beneficial for the limiting component 2 to adjust its limiting range according to the individual differences of the cantaloupe.

[0022] In this embodiment, a positioning pad is integrally connected to one end of the active bidirectional lead screw 301. A slide rod 302 is provided on one side of the active bidirectional lead screw 301. The limiting baffle 201 and the main baffle 202 are both slidably connected to the slide rod 302. At the same time, both ends of the active bidirectional lead screw 301 are threadedly connected to the limiting baffle 201 and the main baffle 202. The two ends of the driven bidirectional lead screw 303 are respectively threadedly connected to the limiting baffle 201 and the secondary baffle 203. Several gear shafts 305 are rotatably connected to the top of the support frame 4. A toothed belt 306 is fitted inside the tooth groove of the gear shaft 305. The toothed belt 306 meshes with the tooth column of the gear shaft 305. One end of the active bidirectional lead screw 301 and the driven bidirectional lead screw 303 both pass through the side plate of the support frame 4 and are fixedly connected to one side of the gear shaft 305.

[0023] In use, the secondary baffle 203 is a single, dispersed plate used to block the gaps between the multiple sorting channels 5 in the sorting section. This prevents the cantaloupes from falling into the gaps between the sorting channels 5 due to shaking during transportation before entering the designated sorting channel 5, which would damage the cantaloupes' appearance and affect the sorting quality. At the same time, the limiting rod 304 limits the secondary baffle 203 installed on the driven bidirectional screw 303, which facilitates the displacement and adjustment of the individual secondary baffle 203. This prevents the main baffle 202 and the secondary baffle 203 from being connected and blocking the inlet of the sorting channel 5, thus affecting the cantaloupes' feeding.

[0024] In this embodiment, a slide groove 501 is provided through the top of the sorting channel 5. A buffer pad 502 is fixedly installed on the inner wall of the slide groove 501. A square groove is provided on one side of the buffer pad 502. A limiting plate 503 is provided inside the slide groove 501. The limiting plate 503 is located at the top of the buffer pad 502. The sorting channel 5 includes a rotating shaft 504 and a drive motor 505. One end of the limiting plate 503 is fixedly connected to the middle of the rotating shaft 504. Both ends of the rotating shaft 504 are rotatably connected to the mounting bracket on the inner wall of the slide groove 501.

[0025] When in use, when the weighing and sorting conveyor rail 1 drives the positioning seat 101 and the cantaloupe to the sorting channel section, the positioning seat 101 has a tilting feeding function, which allows the cantaloupe to tilt and leave the positioning seat 101 and enter the sorting channel 5. The buffer pad 502 inside the sorting channel 5 reduces and disperses the impact force brought by the cantaloupe feeding, avoiding skin scratches, dents and other shape problems caused by direct collision, and ensuring the appearance integrity and commercial value of qualified fruits.

[0026] In this embodiment, a protective shell 506 is fixedly connected to the bottom of the sorting channel 5, and a drive motor 505 is fixedly installed inside the protective shell 506. The output end of the drive motor 505 is fixedly connected to the bottom end of the rotating shaft 504. The size of the limiting plate 503 matches the square groove. A lifting seat 6 is provided at the bottom of the sorting channel 5, and multiple sets of drive cylinders 601 are fixedly connected to the top of the lifting seat 6.

[0027] When the weighing and sorting conveyor 1 stops during the sorting of cantaloupes, the cantaloupes may easily shake and shift due to inertia, causing them to fall into the nearby sorting channel 5. At this time, the drive motor 505 is started, and the output end of the drive motor 505 drives the rotating shaft 504 to rotate on the mounting bracket on the inner wall of the slide groove 501. At the same time, it drives the limit plate 503 to rotate 90° and disengage from the square groove on one side of the buffer pad 502, closing the slide groove 501 and preventing the fallen cantaloupes from continuing to be fed and sorted. This avoids mixing cantaloupes of different qualities and affecting the sorting quality of cantaloupes. It also makes it convenient for staff to place the blocked cantaloupes into the feeding section for re-inspection and sorting.

[0028] In this embodiment, an electrical control box 602 is provided between several driving cylinders 601. The electrical control box 602 is fixedly installed on the top of the lifting seat 6. Several lifting plates 603 are provided on the top of the lifting seat 6. The telescopic ends of the driving cylinders 601 are fixedly connected to the bottom of the lifting plates 603. The lifting plates 603 are located at the bottom of the sorting channels 5. The bottoms of several sorting channels 5 are all fixedly connected to the tops of several lifting plates 603.

[0029] When using cantaloupes, there are many varieties, and their sizes vary. When sorting smaller cantaloupes, workers activate the drive cylinder 601 via the electrical control box 602. The telescopic end of the drive cylinder 601 pushes the lifting plate 603 against the corresponding sorting channel 5, allowing the cantaloupes to be fed at a suitable height and angle. This further reduces the impact force during feeding, effectively avoids damage to the cantaloupes, helps ensure the quality of the cantaloupes, and improves the quality of sorting and processing.

[0030] From the above description, it can be seen that the above embodiments of this utility model achieve the following technical effects: During the material feeding process, a servo motor is fixedly installed on the back side of the first end of the support frame 4. The output end of the servo motor is fixedly installed with the displacement component 3, which can drive the displacement component 3 to operate. First, start the servo motor on the back side of the first end of the support frame 4. Its output end will directly drive the displacement component 3 to operate. Specifically, it will drive the gear shaft 305 inside the support frame 4 to rotate. Since the gear shaft 305 and the toothed belt 306 mesh with each other, the rotating gear shaft 305 will drive other gear shafts 305 to rotate synchronously through the toothed belt 306, and the active double One end of the driving lead screw 301 and the driven bidirectional lead screw 303 both pass through the side plate of the support frame 4 and are fixedly connected to the synchronously rotating gear shafts 305. Therefore, the gear shafts 305 will rotate together with the driving bidirectional lead screw 301 and the driven bidirectional lead screw 303. The limiting baffle 201, the main baffle 202, and the secondary baffles 203 of several individual plates rotate and move with the driving bidirectional lead screw 301 and the driven bidirectional lead screw 303, adjusting the distance between the limiting baffle 201 and the main baffle 202 and the secondary baffles 203. This is beneficial for the limiting component 2 to adjust its limiting range according to the individual differences of the cantaloupe. After the limiting distance between the limiting plate 503 and the main baffle 202 and the secondary baffle 203 is adjusted, the cantaloupe is first placed on the positioning seat 101 of the weighing and sorting conveyor rail 1. The positioning seat 101 supports the cantaloupe and moves with the conveyor rail. If the conveyor rail suddenly stops or changes speed, the cantaloupe is prone to tilting in the opposite direction or to the side due to inertia. At this time, the main baffle 202 and the limiting baffle 201 on both sides of the positioning seat 101 limit the cantaloupe and prevent it from deviating. After the cantaloupe is transported and inspected by the weighing and sorting conveyor rail 1, it continues to be transported to the sorting section. There are multiple sorting channels 5 on one side of the weighing and sorting conveyor rail, and the sorting channels 5 are interspersed with each other. Secondary baffle 203 limits the movement of cantaloupes during sorting and transportation, preventing them from shifting or deviating before reaching the designated channel. It also prevents cantaloupes from falling through the gaps in the channel and getting damaged. When the cantaloupes reach the sorting section, the positioning seat 101 automatically tilts, tilting the cantaloupes into the corresponding sorting channel 5. The slide groove 501 at the top of the channel is equipped with a buffer pad 502. When the cantaloupes are fed in, the buffer pad 502 disperses the cushioning force, preventing the cantaloupe skin from being scratched or dented. This effectively reduces the defect rate of cantaloupes caused by physical damage, ensuring the appearance integrity and commercial value of qualified fruits. When smaller cantaloupes are being sorted, workers activate the drive cylinder 601 via the electrical control box 602. The telescopic end of the drive cylinder 601 pushes the lifting plate 603 against the corresponding sorting channel 5, allowing the cantaloupes to be fed at a suitable height and angle. This further reduces the impact force during feeding, effectively avoids damage to the cantaloupes, helps ensure the quality of the cantaloupes, and improves the quality of sorting and processing.

[0031] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.

Claims

1. A watermelon sorting device, comprising a weighing and sorting transmission rail (1), a limiting assembly (2) and a sorting channel (5), characterized in that, The weighing and sorting conveyor rail (1) is equipped with several positioning seats (101) on its top. The limiting component (2) is located on the top of the positioning seat (101). The limiting component (2) includes a limiting baffle (201), a main baffle (202), and several secondary baffles (203). The limiting baffle (201), the main baffle (202), and the several secondary baffles (203) are located on both sides of the positioning seat (101). The main baffle (202) and the several secondary baffles (203) belong to the same side of the positioning seat (101). Several sorting channels (5) are connected to the main baffle (101) and the secondary baffle (203) are connected to the main baffle (101). The secondary baffles (203) are located on one side of the weighing and sorting conveyor rail (1). Several secondary baffles (203) are staggered between several sorting channels (5). The side of the limiting baffle (201) opposite to the main baffle (202) and several secondary baffles (203) is fixedly connected with a rubber pad (204). A support frame (4) is fixedly installed on the base of the weighing and sorting conveyor rail (1) near the main baffle (202). A displacement component (3) is installed on one side of the support frame (4). The limiting component (2) is installed on the displacement component (3).

2. A watermelon sorting device according to claim 1, characterized in that The displacement component (3) includes an active bidirectional lead screw (301), a driven bidirectional lead screw (303), a slide bar (302), and a limiting rod (304). The limiting component (2) is threadedly connected to both ends of the active bidirectional lead screw (301) and the driven bidirectional lead screw (303). The driven bidirectional lead screw (303) is provided with a limiting rod (304) at the top. One end of the limiting rod (304) is fixedly connected to a positioning plate (307). The other end of the limiting rod (304) passes through the secondary baffle (203) and is fixedly connected to one side of the support frame (4). One end of the driven bidirectional lead screw (303) is rotatably connected to the positioning plate (307).

3. A device for sorting cantaloupes according to claim 2, wherein, One end of the active bidirectional lead screw (301) is integrally connected to a positioning pad. A slide rod (302) is provided on one side of the active bidirectional lead screw (301). The limiting baffle (201) and the main baffle (202) are both slidably connected to the slide rod (302). At the same time, both ends of the active bidirectional lead screw (301) are threadedly connected to the limiting baffle (201) and the main baffle (202). The two ends of the driven bidirectional lead screw (303) are respectively threadedly connected to... On the limiting baffle (201) and the secondary baffle (203), a plurality of gear shafts (305) are rotatably connected to the top of the support frame (4). A toothed belt (306) is fitted inside the tooth groove of the gear shaft (305). The toothed belt (306) meshes with the tooth column of the gear shaft (305). One end of the active bidirectional lead screw (301) and the driven bidirectional lead screw (303) both pass through the side plate of the support frame (4) and are fixedly connected to one side of the gear shaft (305).

4. The watermelon sorting device of claim 1, wherein, The top of the sorting channel (5) is provided with a slide groove (501). A buffer pad (502) is fixedly installed on the inner wall of the slide groove (501). A square groove is provided on one side of the buffer pad (502). A limiting plate (503) is provided inside the slide groove (501). The limiting plate (503) is located on the top of the buffer pad (502). The sorting channel (5) includes a rotating shaft (504) and a drive motor (505). One end of the limiting plate (503) is fixedly connected to the middle of the rotating shaft (504). Both ends of the rotating shaft (504) are rotatably connected to the mounting bracket on the inner wall of the slide groove (501).

5. A watermelon sorting device according to claim 4, wherein, The bottom of the sorting channel (5) is fixedly connected to a protective shell (506), the drive motor (505) is fixedly installed inside the protective shell (506), the output end of the drive motor (505) is fixedly connected to the bottom end of the rotating shaft (504), the size of the limiting plate (503) matches the square groove, the bottom of the sorting channel (5) is provided with a lifting seat (6), and the top of the lifting seat (6) is fixedly connected to multiple sets of drive cylinders (601).

6. A device for sorting cantaloupes according to claim 5, wherein, An electrical control box (602) is provided between several of the driving cylinders (601). The electrical control box (602) is fixedly installed on the top of the lifting seat (6). Several lifting plates (603) are provided on the top of the lifting seat (6). The telescopic end of the driving cylinder (601) is fixedly connected to the bottom of the lifting plate (603). The lifting plate (603) is located at the bottom of the sorting channel (5). The bottom of several sorting channels (5) is fixedly connected to the top of several lifting plates (603).

Images