CN113083671A

CN113083671A - Melon slice picking device capable of achieving sorting according to sizes of leaves and picking method thereof

Info

Publication number: CN113083671A
Application number: CN202110359856.8A
Authority: CN
Inventors: 王胜寒; 项丽; 汪新东; 王欣
Original assignee: Anhui Jingyi Tea Co ltd
Current assignee: Anhui Jingyi Tea Co ltd
Priority date: 2021-04-02
Filing date: 2021-04-02
Publication date: 2021-07-09

Abstract

The invention discloses a melon slice picking device capable of realizing conclusion according to the size of blades, which comprises a box body, wherein the bottom of the box body is provided with a height adjusting device, one side of the box body is provided with a picking device, the inside of the box body is provided with a transmission device and a screening mechanism, the screening mechanism is characterized in that a plurality of groups of second limiting grooves are formed in the inner wall of one side of the box body, the inner wall of each second limiting groove is connected with a sliding block in a sliding manner, one side of each sliding block is fixedly connected with a spring, the other end of the spring is fixedly connected with the inner wall of one side of each second limiting groove, the top of each sliding block is fixedly connected with a sixth supporting rod, the outer. According to the tea screening device, the screening mechanism is arranged, the screen plate vibrates in the tea screening process, so that the screening is more sufficient, the phenomenon that the tea leaves are mixed after being classified due to blockage of part of screen holes during screening is avoided, the work of manual secondary screening in the later period is reduced, the tea screening precision is improved, and the tea quality is improved.

Description

Melon slice picking device capable of achieving sorting according to sizes of leaves and picking method thereof

Technical Field

The invention relates to the technical field of picking of melon slices, in particular to a melon slice picking device and a melon slice picking method capable of achieving summarization according to sizes of leaves.

Background

The melon slices are traditional historical famous tea in China, belong to special tea of green tea, are one of ten famous tea in China, are produced from Dabie mountain in Liuan City of Anhui province, are Qing dynasty tribute tea, and have long-standing cultural connotation with history base and richness. The melon slices are picked within ten days before and after each grain rain, two or three leaves are picked during picking, and strong is required but tender is not required.

In recent years, a large number of tea growers can improve resource waste caused by shortage of manpower by selecting mechanical picking, and can further promote the scale and standardization of the tea industry by combining with tea processing mechanization. However, the prior tea plucking machine has poor technology, the automatic tea plucking machine has low intelligent degree, and old leaves and old stems are easy to pluck, so the requirement on crown surfaces of tea trees is high, and the automatic tea plucking machine is not suitable for plucking general high-quality tea. In addition, although the tea plucking machine has many advantages compared with manual tea plucking, due to the fact that the tea plucking time is long and the period is short, the tea obtained by the tea plucking machine is uneven in level, subsequent manual classification is needed, and the labor cost is increased. Therefore, there is a need for a device for picking melon pieces that can achieve summarization according to the size of the leaves to solve such problems.

Disclosure of Invention

The invention aims to solve the defects in the prior art, and provides a melon slice picking device and a picking method thereof, wherein the melon slice picking device can be generalized according to the size of leaves.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a can realize picking device according to melon piece that sums up according to blade size, the power distribution box comprises a box body, the bottom half is provided with height adjusting device, box one side is provided with picks the device, inside transmission and the screening mechanism of being provided with of box, screening mechanism has seted up the spacing groove of multiunit second for box one side inner wall, spacing inslot wall sliding connection of second has the slider, slider one side fixedly connected with spring, the spring other end and the spacing inslot one side inner wall fixed connection of second, slider top fixedly connected with sixth branch, first sieve of sixth branch outer wall fixedly connected with and second sieve, first sieve and second sieve all incline to set up and inclination is opposite, first sieve surface screening hole aperture is greater than second sieve surface screening hole aperture, 2 connecting rods of fixedly connected with between first sieve and second sieve.

Preferably, the transmission device is provided with a feed inlet on one side of the box body, the inner wall of one side of the box body is fixedly connected with a fourth supporting rod and a fifth supporting rod, the outer wall of the fourth supporting rod and the outer wall of the fifth supporting rod are respectively sleeved with a first sleeve and a second sleeve, the first sleeve and the outer wall of the second sleeve rotate to be connected with a same conveying belt, the outer wall of the second sleeve is fixedly connected with a striking rod, the inner wall of one side of the box body is fixedly connected with a third supporting rod, the outer wall of the third supporting rod rotates to be connected with a third sleeve, the distance between the third sleeve and the upper surface of the conveying.

Preferably, picking mechanism is box one side outer wall fixedly connected with and picks the pole, it is connected with a set of board of picking to pick the rotation of the pole other end, a set of inboard fixedly connected with multiunit of board of picking is picked and is pressed from both sides, it is the rubber material to pick the clamp, a set of board outside fixedly connected with second branch pole of picking, first bevel gear of second branch other end fixedly connected with, box one side outer wall fixedly connected with feeding plate, the feeding plate sets up and presss from both sides the bottom picking, and feeding plate keeps away from feed inlet one end highly to be higher than near feed inlet one end, the feeding plate is close to feed inlet one side fixedly connected with even board, even.

Preferably, the bottom of the front end of the box body is fixedly connected with a support block, the top of the support block is fixedly connected with a motor, an output shaft of the motor is fixedly connected with a first support rod, the other end of the first support rod is fixedly connected with a second bevel gear, and the second bevel gear is meshed with the first bevel gear.

Preferably, height adjusting device is a plurality of expansion brackets of bottom half fixedly connected with, one of them support fixedly connected with dead lever of expansion bracket end, the through-hole has been seted up to the dead lever bottom, another support fixedly connected with bearing plate, first spacing groove has been seted up to bearing plate one side, the dead lever slides in first spacing inslot, a plurality of fixed slots have been seted up to first spacing tank bottom, the fixed slot runs through the bearing plate bottom, fixedly connected with fixing bolt has been fixed the slot, fixing bolt stretches into in the through-hole of dead lever, bearing plate bottom fixedly connected with wheel.

Preferably, the outer wall of the first supporting rod and the outer wall of the first sleeve are rotatably connected with the same belt.

Preferably, the bottom of the box body is divided into a first storage cavity, a second storage cavity and a third storage cavity through a partition plate, the second storage cavity is located below the first sieve plate and the second sieve plate, the first sieve plate is inclined to the third storage cavity, and the second sieve plate is inclined to the first storage cavity.

Preferably, the discharge door has all been seted up to three storage cavity bottom, discharge door bottom one side and bottom half fixedly connected with hinge, discharge door bottom opposite side fixedly connected with handle.

A melon slice picking method capable of realizing induction according to the size of leaves comprises the following steps:

s1: observing the height of tea trees to be picked, stretching the telescopic frame to a proper position by adjusting the position of the fixed rod in the first limiting groove, inserting the fixed bolt into the fixed groove to be fixed with the fixed rod, and determining that the picking mechanism of the device is consistent with the tender tips of the tea trees in height;

s2: the motor is started, the motor output shaft drives the second supporting rod to rotate, the second bevel gear moves along with the second supporting rod, the first bevel gear meshed with the second bevel gear drives the first supporting rod to rotate, the picking plate and the picking clamp rotate under the driving of the first supporting rod, the picking clamp simulates the shape of kneading of a manual finger to bend tea tree tender shoots until the tea tree tender shoots are broken, and the picking clamp adopts a rubber material to protect tea tree branches from being broken;

s3: the picked tea leaves enter the feeding hole through the inclined feeding plate and enter the surface of the conveying belt through the connecting plate, the belt drives the first sleeve to rotate through the rotation of the first supporting rod, the conveying belt is in horizontal transmission, the third sleeve rotates around the third supporting rod under the action of the conveying belt and the tea leaves to pave the tea leaves which are possibly accumulated, and meanwhile, the fine and short hairbrushes on the surface of the third sleeve can be adhered with impurities in the tea leaves to play a role in purifying the tea leaves;

s4: the spread tea leaves are conveyed to a first sieve plate, the larger sieve holes on the surface of the first sieve plate sieve out the larger tea leaves, the larger tea leaves freely fall into a third material storage cavity along with the inclination angle of the first sieve plate, other smaller and medium tea leaves fall into a second sieve plate through the sieve holes of the first sieve plate, the smaller sieve holes on the surface of the second sieve plate sieve out the medium tea leaves, the smaller tea leaves freely fall into the first material storage cavity along with the inclination angle of the second sieve plate, and the smaller tea leaves fall into the second material storage cavity through the sieve holes of the second sieve plate;

s6: in this screening process, hit the pole and rotate under the sheathed tube drive of second, every rotation a week is accomplished and is hit the hitting of first sieve and hit the power, first sieve is hit the power generation vibration, the slider is at the spacing inslot up-and-down motion of second under the combined action of sixth branch and spring, make first sieve continuous vibration, first sieve passes through the connecting rod and will vibrate transmission to second sieve, to this end, first sieve vibrates at tealeaves screening process with the second sieve, play abundant screening effect, avoid partial sieve mesh to block up when the screening and lead to tealeaves to remain the mixed phenomenon after categorised, reduce the artifical work of screening once more in later stage, after the screening is accomplished, open the three discharge door of box portion, accomplish collection work.

The invention has the beneficial effects that:

1. through the arranged screening mechanism, larger tea leaves fall into the third storage cavity, tea leaves with medium size fall into the first storage cavity, and smaller tea leaves fall into the second storage cavity;

2. through the third sleeve and the thin and short bristles on the surface of the third sleeve, when tea leaves enter the upper surface of the conveyor belt, the belt drives the first sleeve to rotate through the rotation of the first support rod, the conveyor belt is in horizontal transmission, the third sleeve rotates around the third support rod under the action of the movement of the conveyor belt and the tea leaves, the tea leaves entering in batches during picking are paved, and the situation that the tea leaves are difficult to screen or even block the sieve plate due to large quantity when the tea leaves are stacked on the conveyor belt and conveyed to the first sieve plate is avoided;

3. through the height adjusting mechanism who sets up, during the use, observe the height of waiting to pick the tea tree, through adjusting the position of dead lever at first spacing inslot, stretch the expansion bracket to suitable position, it is fixed with the dead lever in inserting the fixed slot with fixing bolt, the picking mechanism of confirming the device is highly uniform with the tender point of tea tree for the object is tea tree apical rejuvenation when picking, prevent accidental injury tea tree branch, this adjustability of device has increased its cooperativeness simultaneously, manpower and materials have been reduced.

Drawings

FIG. 1 is a schematic structural diagram of a melon slice picking device capable of summarizing according to the size of leaves;

FIG. 2 is a schematic cross-sectional view of a melon slice picking device according to the present invention, which can be generalized according to the size of the leaves;

FIG. 3 is a schematic view of the structure of a melon slice picking device according to the size of the leaves;

FIG. 4 is a schematic structural diagram of the position B of the melon slice picking device provided by the invention, which can realize induction according to the size of the leaves;

FIG. 5 is a schematic view of the bottom view of the device for picking melon slices according to the size of the leaves;

fig. 6 is a schematic structural diagram of a position A of the melon slice picking device provided by the invention, which can realize induction according to the size of the leaves.

In the drawings: 1. picking the plate; 2. picking clips; 3. a first support bar; 4. a belt; 5. a first bevel gear; 6. a second bevel gear; 7. a second support bar; 8. a first sleeve; 9. a conveyor belt; 10. a box body; 11. a bearing plate; 12. a wheel; 13. picking the stems; 14. a feeding plate; 15. connecting plates; 16. a feed inlet; 17. a third support bar; 18. a third sleeve; 19. a second sleeve; 20. a fourth strut; 21. a motor; 22. supporting a block; 23. a second screen deck; 24. a first material storage cavity; 25. a second material storage cavity; 26. a third material storage cavity; 27. a connecting rod; 28. a first screen deck; 29. a striking rod; 30. a fifth strut; 31. a telescopic frame; 32. a first limit groove; 33. fixing the bolt; 34. fixing grooves; 35. fixing the rod; 36. a handle; 37. a hinge; 38. a discharge door; 39. a sixth strut; 40. a spring; 41. a slider; 42. a second limit groove.

Detailed Description

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1-6, a melon slice picking device capable of realizing conclusion according to the size of blades, which comprises a box body 10, a height adjusting device arranged at the bottom of the box body 10, a picking device arranged at one side of the box body 10, a transmission device and a screening mechanism arranged inside the box body 10, the screening mechanism is that a plurality of groups of second limiting grooves 42 are arranged on the inner wall of one side of the box body 10, the inner wall of the second limiting grooves 42 is connected with a slide block 41 in a sliding way, one side of the slide block 41 is fixedly connected with a spring 40, the other end of the spring 40 is fixedly connected with the inner wall of one side of the second limiting grooves 42, the top of the slide block 41 is fixedly connected with a sixth supporting rod 39, the outer wall of the sixth supporting rod 39 is fixedly connected with a first sieve plate 28 and a second sieve plate 23, the first sieve plate 28 and the second sieve plate 23 are both obliquely arranged and have opposite inclination angles, the, the tea leaves are classified into three types according to the sizes of the tea leaves through double screening, so that the utilization rate of tea leaf resources is improved.

According to the invention, a feeding hole 16 is formed in one side of a box body 10 of a transmission device, a fourth support rod 20 and a fifth support rod 30 are fixedly connected to the inner wall of one side of the box body 10, a first sleeve 8 and a second sleeve 19 are respectively sleeved on the outer walls of the fourth support rod 20 and the fifth support rod 30, the outer walls of the first sleeve 8 and the second sleeve 19 are rotatably connected with a same conveyor belt 9, a beating rod 29 is fixedly connected to the outer wall of the second sleeve 19, a third support rod 17 is fixedly connected to the inner wall of one side of the box body 10, a third sleeve 18 is rotatably connected to the outer wall of the third support rod 17, the distance between the third sleeve 18 and the upper surface of the conveyor belt 9 is small, and fine and short bristles are arranged on the outer wall of the third sleeve 18.

According to the invention, the picking mechanism is characterized in that a picking rod 13 is fixedly connected to the outer wall of one side of a box body 10, a group of picking plates 1 is rotatably connected to the other end of the picking rod 13, a plurality of groups of picking clamps 2 are fixedly connected to the inner sides of the group of picking plates 1, the picking clamps 2 are made of rubber, a first supporting rod 3 is fixedly connected to the outer side of the group of picking plates 1, a first bevel gear 5 is fixedly connected to the other end of the first supporting rod 3, a feeding plate 14 is fixedly connected to the outer wall of one side of the box body 10, the feeding plate 14 is arranged at the bottom of the picking clamps 2, the end, far away from a feeding port 16, of the feeding plate 14 is higher than the end, close.

In the invention, the bottom of the front end of the box body 10 is fixedly connected with a supporting block 22, the top of the supporting block 22 is fixedly connected with a motor 21, an output shaft of the motor 21 is fixedly connected with a second supporting rod 7, the other end of the second supporting rod 7 is fixedly connected with a second bevel gear 6, and the second bevel gear 6 is meshed with a first bevel gear 5.

According to the tea tree picking device, a plurality of telescopic frames 31 are fixedly connected to the bottom of a box body 10, one of the supports at the tail ends of the telescopic frames 31 is fixedly connected with a fixing rod 35, the bottom of the fixing rod 35 is provided with a through hole, the other support is fixedly connected with a bearing plate 11, one side of the bearing plate 11 is provided with a first limiting groove 32, the fixing rod 35 slides in the first limiting groove 32, a plurality of fixing grooves 34 are formed in the bottom of the first limiting groove 32, the fixing grooves 34 penetrate through the bottom of the bearing plate 11, fixing bolts 33 are fixedly connected with the fixing grooves 34, the fixing bolts 33 extend into the through holes of the fixing rods 35, and wheels 12 are fixedly connected to the bottom of the bearing plate 11, so that objects are tea tree top end rejuvenation points during picking, tea tree branches are prevented from being accidentally injured.

In the invention, the outer wall of the first supporting rod 3 and the outer wall of the first sleeve 8 are rotatably connected with the same belt 4.

In the invention, the bottom of the box body 10 is divided into a first storage cavity 24, a second storage cavity 25 and a third storage cavity 26 by partition plates, the second storage cavity 25 is positioned below the first sieve plate 28 and the second sieve plate 23, the first sieve plate 28 inclines to the third storage cavity 26, and the second sieve plate 23 inclines to the first storage cavity 24.

In the invention, the bottom parts of the three material storage cavities are all provided with a discharging door 38, one side of the bottom part of the discharging door 38 and the bottom part of the box body 10 are fixedly connected with a hinge 37, and the other side of the bottom part of the discharging door 38 is fixedly connected with a handle 36.

The working principle is as follows: when the tea tree picking device is used, the height of a tea tree to be picked is observed, the telescopic frame 31 is stretched to a proper position by adjusting the position of the fixed rod 35 in the first limiting groove 32, the fixed bolt 33 is inserted into the fixed groove 34 to be fixed with the fixed rod 35, the picking mechanism of the device is determined to be consistent with the height of the tender tips of the tea tree, the motor 21 is started, the output shaft of the motor 21 drives the second supporting rod 7 to rotate, the second bevel gear 6 moves along with the second bevel gear, the first bevel gear 5 meshed with the second bevel gear drives the first supporting rod 3 to rotate, the picking plate 1 and the picking clamp 2 are driven by the first supporting rod 3 to rotate, the picking clamp 2 simulates the shape of kneading the tea tree tender shoots by artificial fingers to be bent to be broken, the picking clamp 2 adopts rubber materials to protect the tea tree branches from being broken, picked tea leaves enter the feeding hole 16 through the inclined feeding plate 14 and enter the surface of the conveying belt 9 through the, the conveyor belt 9 is in horizontal transmission, the third sleeve 18 rotates around the third support rod 17 under the action of the conveyor belt 9 and tea leaves to pave tea leaves which are likely to be stacked, meanwhile, fine and short hairbrushes on the surface of the third sleeve 18 can be adhered to impurities in the tea leaves to play a role of purifying the tea leaves, the paved tea leaves are conveyed to the first sieve plate 28, the larger sieve holes on the surface of the first sieve plate 28 sieve out larger tea leaves, the tea leaves freely fall into the third storage cavity 26 along with the inclination angle of the first sieve plate 28, other smaller and medium tea leaves fall into the second sieve plate 23 through the sieve holes of the first sieve plate 28, the smaller sieve holes on the surface of the second sieve plate 23 sieve out medium tea leaves, the smaller tea leaves freely fall into the first storage cavity 24 along with the inclination angle of the second sieve plate 23, and fall into the second storage cavity 25 through the sieve holes of the second sieve plate 23, in the screening process, the beating rod 29 is driven by the second sleeve 19 to rotate, every rotates a week and accomplishes hitting of first sieve 28 and hit and beat, first sieve 28 is hit and beats the production vibration, slider 41 is at second spacing inslot 42 up-and-down motion under sixth branch 39 and spring 40's combined action, make first sieve 28 continuously vibrate, first sieve 28 passes through connecting rod 21 and transmits the vibration to second sieve 23, so far, first sieve 28 vibrates at tealeaves screening in-process with second sieve 23, play the abundant screening effect, avoid partial sieve mesh to block up when the screening and lead to tealeaves to be categorised the back still to have the mixed phenomenon, reduce the work of artifical secondary screening in later stage, after the screening is accomplished, open three discharge door 38 of box 10 bottom, be convenient for accomplish and collect.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. A melon slice picking device capable of being summarized according to the size of blades comprises a box body (10), wherein a height adjusting device is arranged at the bottom of the box body (10), a picking device is arranged on one side of the box body (10), a transmission device and a screening mechanism are arranged inside the box body (10), and the melon slice picking device is characterized in that the screening mechanism is formed in a manner that a plurality of groups of second limiting grooves (42) are formed in the inner wall of one side of the box body (10), a sliding block (41) is connected to the inner wall of one side of each second limiting groove (42) in a sliding manner, a spring (40) is fixedly connected to one side of each sliding block (41), a sixth supporting rod (39) is fixedly connected to the top of each sliding block (41), a first sieve plate (28) and a second sieve plate (23) are fixedly connected to the outer wall of each sixth supporting rod (39), the first sieve plate (28) and the, the aperture of the surface screening hole of the first sieve plate (28) is larger than that of the surface screening hole of the second sieve plate (23), and 2 connecting rods (27) are fixedly connected between the first sieve plate (28) and the second sieve plate (23).

2. The melon slice picking device capable of realizing induction according to the size of the leaves as claimed in claim 1, the novel multifunctional electric toothbrush is characterized in that a feeding hole (16) is formed in one side of a box body (10), a fourth supporting rod (20) and a fifth supporting rod (30) are fixedly connected to the inner wall of one side of the box body (10), a first sleeve (8) and a second sleeve (19) are respectively sleeved on the outer walls of the fourth supporting rod (20) and the fifth supporting rod (30), the outer walls of the first sleeve (8) and the second sleeve (19) are rotatably connected with a same conveying belt (9), a beating rod (29) is fixedly connected to the outer wall of the second sleeve (19), a third supporting rod (17) is fixedly connected to the inner wall of one side of the box body (10), the outer wall of the third supporting rod (17) is rotatably connected with a third sleeve (18), the distance between the upper surface of the third sleeve (18) and the upper surface of the conveying belt (9) is.

3. The melon slice picking device capable of realizing induction according to the size of the blades as claimed in claim 1, characterized in that the picking mechanism is formed by fixedly connecting a picking rod (13) to the outer wall of one side of a box body (10), the other end of the picking rod (13) is rotatably connected with a group of picking plates (1), a plurality of groups of picking clamps (2) are fixedly connected to the inner side of the group of picking plates (1), the picking clamps (2) are made of rubber, a first support rod (3) is fixedly connected to the outer side of the group of picking plates (1), a first bevel gear (5) is fixedly connected to the other end of the first support rod (3), a feeding plate (14) is fixedly connected to the outer wall of one side of the box body (10), the feeding plate (14) is arranged at the bottom of the picking clamps (2), one end of the feeding plate (14) far away from the feeding port (16) is higher than one end close to the feeding port, the connecting plate (15) is naturally contacted with the upper surface of the conveyor belt (9).

4. The melon slice picking device capable of realizing summarization according to blade size as claimed in claim 1, wherein a support block (22) is fixedly connected to the bottom of the front end of the box body (10), a motor (21) is fixedly connected to the top of the support block (22), a second support rod (7) is fixedly connected to an output shaft of the motor (21), a second bevel gear (6) is fixedly connected to the other end of the second support rod (7), and the second bevel gear (6) is meshed with the first bevel gear (5).

5. The melon slice picking device capable of realizing induction according to the size of the leaves as claimed in claim 1, its characterized in that, height adjusting device is a plurality of expansion bracket (31) of box (10) bottom fixedly connected with, expansion bracket (31) terminal one of them support fixedly connected with dead lever (35), the through-hole has been seted up to dead lever (35) bottom, another support fixedly connected with bearing plate (11), first spacing groove (32) have been seted up to bearing plate (11) one side, dead lever (35) slide in first spacing groove (32), a plurality of fixed slots (34) have been seted up to first spacing groove (32) bottom, fixed slot (34) run through bearing plate (11) bottom, fixed slot (34) fixedly connected with fixing bolt (33), fixing bolt (33) stretch into in the through-hole of dead lever (35), bearing plate (11) bottom fixedly connected with wheel (12).

6. A melon slice picking device capable of realizing induction according to the size of the blades as claimed in claim 2, characterized in that the same belt (4) is rotatably connected to the outer wall of the first supporting rod (3) and the outer wall of the first sleeve (8).

7. The melon slice picking device capable of realizing induction according to the size of the leaves as claimed in claim 1, wherein the bottom of the box body (10) is divided into a first storage cavity (24), a second storage cavity (25) and a third storage cavity (26) through a partition plate, the second storage cavity (25) is positioned below the first sieve plate (28) and the second sieve plate (23), the first sieve plate (28) is inclined to the third storage cavity (26), and the second sieve plate (23) is inclined to the first storage cavity (24).

8. The device for picking the melon pieces capable of being summarized according to the sizes of the blades as claimed in claim 7, wherein the bottom of each of the three material storage chambers is provided with a discharge door (38), one side of the bottom of each discharge door (38) is fixedly connected with a hinge (37) with the bottom of the box body (10), and the other side of the bottom of each discharge door (38) is fixedly connected with a handle (36).

9. A method for picking melon pieces capable of realizing induction according to the size of leaves, which is characterized in that the device according to any one of claims 1-8 is used, and the method comprises the following steps: