CN219092764U

CN219092764U - Potato sorting device

Info

Publication number: CN219092764U
Application number: CN202320113281.6U
Authority: CN
Inventors: 王楠; 杨帆; 鲁小帅; 师晓宁; 郝振富; 郝月慧
Original assignee: Xuechuan Food Hebei Co ltd
Current assignee: Xuechuan Food Hebei Co ltd
Priority date: 2023-01-17
Filing date: 2023-01-17
Publication date: 2023-05-30
Anticipated expiration: 2033-01-17

Abstract

The utility model relates to the technical field of sorting equipment, in particular to a potato sorting device, which comprises a sorting frame, wherein a sorting roller set is formed on the upper side of the sorting frame; a conveying mechanism is arranged on the sorting frame and positioned at the lower side of the sorting roller group, and a plurality of groups of conveying mechanisms are arranged at intervals along the sorting direction; the conveying mechanism comprises a first conveying assembly and a second conveying assembly, wherein the first conveying assembly comprises a first horizontal conveying section, a second horizontal conveying section and an inclined conveying section connected between the first horizontal conveying section and the second horizontal conveying section; the height of the second horizontal conveying section is lower than that of the first horizontal conveying section; the second conveying assembly is horizontally arranged and is positioned on the upper side of the second horizontal conveying section, a blanking port is formed between the second conveying assembly and the first horizontal conveying section, and the blanking port is positioned above the inclined conveying section; in the process of sorting potatoes, the surface damage of the potatoes in the sorting process can be avoided.

Description

Potato sorting device

Technical Field

The utility model relates to the technical field of sorting equipment, in particular to a potato sorting device.

Background

The potato can be used for processing into noodles, rice flour and other food materials so as to meet the market demand. The potatoes are sold in the market and have different prices according to the volume size, so that the sorting of the potatoes with the same volume is an important work.

In the prior art, potatoes are generally sorted by a potato sorter, and the potato sorter in the prior art comprises rollers arranged at intervals on the upper side, and the potatoes are sorted by different gaps between the rollers. However, after sorting, potatoes fall on the transport platform at the lower side, and due to the relatively large distance, the surface of the potatoes is easy to damage in the process of falling after sorting, so that the quality and the storage time limit of the potatoes are affected, and the market price of the potatoes is affected.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a potato sorting device, which can avoid the surface damage of potatoes in the sorting process.

(II) technical scheme

In order to achieve the above object, an embodiment of the present application provides a potato sorting device, including a sorting frame, a sorting roller set being formed on an upper side of the sorting frame; the sorting frame is provided with a conveying mechanism which is positioned on the lower side of the sorting roller set and used for conveying materials along the length direction of the sorting roller set, and a plurality of groups of conveying mechanisms are arranged at intervals along the sorting direction; the conveying mechanism comprises a first conveying assembly and a second conveying assembly, wherein the first conveying assembly comprises a first horizontal conveying section, a second horizontal conveying section and an inclined conveying section connected between the first horizontal conveying section and the second horizontal conveying section; the height of the second horizontal conveying section is lower than that of the first horizontal conveying section; the second conveying assembly is horizontally arranged and is positioned on the upper side of the second horizontal conveying section, a blanking port is formed between the second conveying assembly and the first horizontal conveying section, and the blanking port is positioned above the inclined conveying section; the sorting frame is provided with a material outlet at one end of the second horizontal conveying section far away from the first horizontal conveying section, and a driving mechanism for controlling the first conveying assembly and the second conveying assembly to work is arranged on the sorting frame.

Preferably, a partition plate is arranged between the adjacent conveying mechanisms; the first conveying assembly comprises a first roll shaft and a second roll shaft which are arranged at two ends of the first horizontal conveying section, and a third roll shaft and a fourth roll shaft are respectively arranged at two ends of the second horizontal conveying section; the two ends of the first roll shaft, the second roll shaft, the third roll shaft and the fourth roll shaft are rotationally connected to the partition plate; the outer sides of the first roll shaft, the second roll shaft, the third roll shaft and the fourth roll shaft are wound with a first conveying belt; limiting pieces are respectively arranged on two sides of the first conveyor belt, and the limiting pieces enable the first conveyor belt to keep a joint state with the first roll shaft, the second roll shaft, the third roll shaft and the fourth roll shaft; the driving mechanism drives the fourth roll shaft to rotate.

Preferably, the separation plate is provided with a limit groove along the conveying direction of the first conveying assembly, the limit groove is flush with the first conveying belt, the limit piece comprises limit rods formed at two side edges of the first conveying belt, and a plurality of limit rods are arranged at equal intervals along the length direction of the first conveying belt; a limiting ball is fixedly arranged at the free end of the limiting rod, is positioned in the limiting groove and is in sliding connection with the limiting groove; the width of the limiting groove is larger than the diameter of the limiting ball, and the positions of the upper side of the first roll shaft, the upper side of the fourth roll shaft, the upper side of the second roll ball and the lower side of the third roll shaft can be attached to the first conveyor belt.

Preferably, the second conveying assembly comprises a fifth roller shaft and a sixth roller shaft, and the fifth roller shaft and the sixth roller shaft are horizontally arranged; a seventh roll shaft is formed between the fifth roll shaft and the sixth roll shaft; the seventh roll shaft is positioned below the fifth roll shaft and the sixth roll shaft, and a second conveyor belt is wound on the outer sides of the fifth roll shaft, the sixth roll shaft and the seventh roll shaft; the fifth roll shaft is positioned at one end far away from the first horizontal conveying section and is rotationally connected with the partition plate; the partition plate is provided with a horizontal adjusting assembly for adjusting the sixth roll shaft to be close to or far away from the fifth roll shaft along the horizontal direction and a vertical adjusting assembly for adjusting the seventh roll shaft to move along the vertical direction.

Preferably, the partition plates at two ends of the fifth roll shaft are respectively provided with a first horizontal adjusting groove; the horizontal adjusting assembly comprises a first supporting block positioned at the end part of the fifth roll shaft, and the first supporting block is positioned in the first adjusting groove; a first adjusting rod is rotationally arranged in the first adjusting groove, one end of the first adjusting rod penetrates through the partition plate, and a first hand wheel is arranged at the outer section of the first adjusting rod; the first adjusting rod is provided with threads on the rod section in the first adjusting groove to form a first threaded rod section, and the first threaded rod section is in threaded connection with the first supporting block.

Preferably, the partition plates at the two ends of the sixth roll shaft are respectively provided with a second vertical adjusting groove; the vertical adjusting assembly comprises a second supporting block positioned at the end part of the sixth roll shaft, and the second supporting block is positioned in the second adjusting groove; a second adjusting rod is rotatably arranged on the partition plate and positioned at the second adjusting groove, one end of the second adjusting rod penetrates out of the partition plate, and a second hand wheel is arranged on the partition plate; the second adjusting rod is located on the rod section in the second adjusting groove, threads are formed on the rod section, a second threaded rod section is formed, and the second threaded rod section is in threaded connection with the second supporting block.

Preferably, the driving mechanism comprises a driving motor fixed on the sorting frame, a driving belt pulley is arranged on an output shaft of the driving motor, a driven belt pulley is arranged at one end of the fourth roller shaft, and a belt is arranged between the driving belt pulley and the driven belt pulley; the other end of the fourth roll shaft is provided with a first gear, one end, close to the first gear, of the fifth roll shaft is provided with a second gear, and the outer sides of the first gear and the second gear are meshed with each other.

(III) beneficial effects

The utility model provides a potato sorting device, which is characterized in that a first conveying assembly and a second conveying assembly are arranged on the lower side of a sorting roller set, double-layer conveying is formed on the lower side of the sorting roller set through a first horizontal conveying section, a second horizontal conveying section and a second conveying assembly, and after potatoes are sorted, the distance between the sorting roller set and a conveying belt is shortened, so that the potatoes are prevented from being damaged on the surface after sorting. Simultaneously, convey the potato to the second horizontal conveying section by the slope conveying section, finally convey the potato to the discharge gate at the second horizontal conveying section, enlarge the space of discharge gate department, conveniently bagging-off the potato.

Through the horizontal adjustment subassembly and the vertical adjustment subassembly that set up, when using, can adjust the length of second conveying subassembly, and then adjust the width of blanking mouth, in the use, can avoid blanking mouth to block up according to the width of size control blanking mouth of potato.

Drawings

FIG. 1 is a schematic view of a potato sorter of the present utility model;

FIG. 2 is a schematic view of a tab conveyor mechanism in a potato sorting apparatus;

FIG. 3 is a cross-sectional view of a protruding stop in a potato sorting apparatus;

FIG. 4 is a schematic view of a limiting groove shape and adjustment assembly on a protruding divider plate in a potato sorting apparatus;

fig. 5 is a schematic view of a projection drive mechanism in a potato sorting apparatus.

The reference numerals in the drawings:

100. sorting frames; 110. a discharge port; 120. a partition plate; 121. a limit groove; 122. a first adjustment tank; 123. a second regulating groove; 200. a sorting roller set;

300. a first transfer assembly; 310. a first horizontal transfer section; 320. a second horizontal transfer section; 330. a sloped conveying section; 340. a first roller shaft; 350. a second roller shaft; 360. a third roller shaft; 370. a fourth roller shaft; 380. a first conveyor belt; 390. a limiting piece; 391. a limit rod; 392. a limit ball; 400. a second transfer assembly; 410. a fifth roller shaft; 420. a sixth roller shaft; 430. a seventh roller shaft; 440. a second conveyor belt; 450. a level adjustment assembly; 451. a first support block; 452. a first adjusting lever; 452a, a first threaded rod segment; 453. a first hand wheel; 460. a vertical adjustment assembly; 461. a second support block; 462. a second adjusting lever; 462a, a second threaded rod segment; 463. the second hand wheel; 500. a blanking port; 600. a driving mechanism; 610. a driving motor; 620. a driving pulley; 630. a driven pulley; 640. a belt; 650. a first gear; 660. and a second gear.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

The utility model provides a potato sorting device, referring to fig. 1-5, which comprises a sorting frame 100, wherein a sorting roller set 200 is formed on the upper side of the sorting frame 100; in operation, potatoes are sorted by upper set of sorting rolls 200.

A conveying mechanism for conveying materials along the length direction of the sorting roller set 200 is arranged on the sorting frame 100 and positioned at the lower side of the sorting roller set 200, and the sorted potatoes are conveyed through the conveying mechanism.

Specifically, the conveying mechanism is provided with a plurality of groups along the sorting direction in a clearance manner; potatoes with different sizes can be separately conveyed through a plurality of groups of conveying mechanisms.

The conveying mechanism includes a first conveying assembly 300 and a second conveying assembly 400, the first conveying assembly 300 including a first horizontal conveying section 310, a second horizontal conveying section 320, and an inclined conveying section 330 connected between the first horizontal conveying section 310 and the second horizontal conveying section 320; the height of the second horizontal transfer section 320 is lower than the height of the first horizontal transfer section 310; the second conveying assembly 400 is horizontally arranged and is positioned on the upper side of the second horizontal conveying section 320, a blanking port 500 is formed between the second conveying assembly 400 and the first horizontal conveying section 310, and the blanking port 500 is positioned above the inclined conveying section 330; the sorting carriage 100 is provided with a discharge opening 110 at an end of the second horizontal transfer section 320 remote from the first horizontal transfer section 310. With this arrangement, after sorting, potatoes fall onto the first horizontal transfer section 310 or the second transfer assembly 400, and then pass through the transfer from the blanking port 500 into the second horizontal transfer section 320, and finally out the discharge port 110 for bagging. The structure can alleviate the problem that the surface is damaged after potato letter sorting to a certain extent.

The sorting carriage 100 is provided with a driving mechanism 600 for controlling the operation of the first and second conveying

assemblies

300 and 400.

Specifically, a partition plate 120 is arranged between adjacent conveying mechanisms; the sorting roller set 200 is divided into different areas by the partition plate 120, so that the sorted potatoes can be conveniently distinguished. At the same time, the transport mechanism is supported by the partition plate 120. The upper side of the partition plate 120 is arc-shaped, so that potatoes nearby the partition plate can fall into the conveying mechanism conveniently.

The first transfer assembly 300 includes a first roller 340 and a second roller 350 disposed at both ends of the first horizontal transfer section 310, and a third roller 360 and a fourth roller 370 are disposed at both ends of the second horizontal transfer section 320, respectively; the first, second, third and

fourth roller shafts

340, 350, 360 and 370 are rotatably coupled to the separation plate 120 at both ends thereof.

A first conveyor 380 is wound around the outer sides of the first, second, third and

fourth rollers

340, 350, 360 and 370; the two sides of the first conveyor belt 380 are respectively provided with a limiting piece 390, and the limiting piece 390 enables the first conveyor belt 380 to keep a joint state with the first roll shaft 340, the second roll shaft 350, the third roll shaft 360 and the fourth roll shaft 370; the driving mechanism 600 drives the fourth roller shaft 370 to rotate.

The limiting grooves 121 are formed in the partition plate 120 along the conveying direction of the first conveying assembly 300, the limiting grooves 121 are flush with the first conveying belt 380, and the limiting pieces 390 comprise limiting rods 391 formed on two side edges of the first conveying belt 380, and a plurality of limiting rods 391 are arranged at equal intervals along the length direction of the first conveying belt 380; a limiting ball 392 is fixedly arranged at the free end of the limiting rod 391, and the limiting ball 392 is positioned in the limiting groove 121 and is in sliding connection with the limiting groove 121; the width of the limiting groove 121 is larger than the diameter of the limiting ball 392, and the positions of the first roller 340, the fourth roller 370, the upper side of the second ball and the lower side of the third roller 360 can be attached to the first conveyor 380.

The three stages of the first transfer assembly 300 may be completed by one transfer belt by the provision of the stopper 390 and the stopper groove 121. I.e. cost saving, while the transfer is more coherent. Layered conveying is realized in the conveying process, so that the surface damage of potatoes can be avoided

The second transfer assembly 400 includes a fifth roller 410 and a sixth roller 420, the fifth roller 410 and the sixth roller 420 being horizontally disposed; a seventh roller 430 is formed between the fifth roller 410 and the sixth roller 420; the seventh roller 430 is positioned below the fifth roller 410 and the sixth roller 420, and the second conveyor 440 is wound around the outer sides of the fifth roller 410, the sixth roller 420 and the seventh roller 430.

The fifth roller shaft 410 is located at one end far from the first horizontal transfer section 310 and is rotatably connected with the separation plate 120; the partition plate 120 is provided with a horizontal adjustment assembly 450 for adjusting the sixth roller shaft 420 to be moved toward or away from the fifth roller shaft 410 in the horizontal direction, and a vertical adjustment assembly 460 for adjusting the seventh roller shaft 430 to be moved in the vertical direction. Through the horizontal adjusting component 450 and the vertical adjusting component 460, the positions of the sixth roll shaft 420 and the seventh roll shaft 430 can be adjusted, and then the width of the blanking port 500 is adjusted, so that the blanking port 500 is prevented from being blocked during use.

The partition boards 120 at two ends of the fifth roll shaft 410 are respectively provided with a first horizontal adjusting groove 122; the horizontal adjustment assembly 450 includes a first support block 451 positioned at an end of the fifth roller shaft 410, the first support block 451 being positioned in the first adjustment slot 122; a first adjusting lever 452 is rotatably provided in the first adjusting groove 122, one end of the first adjusting lever 452 passes through the partition plate 120, and a first hand wheel 453 is provided at an outer section thereof; the first adjusting rod 452 is threaded on the rod section in the first adjusting groove 122 to form a first threaded rod section 452a, and the first threaded rod section 452a is in threaded connection with the first supporting block 451. When the first hand wheels 453 at both ends of the fifth roller shaft 410 are simultaneously rotated, the first threaded rod section 452a may be controlled to rotate, and during the rotation, the two first supporting blocks 451 may be controlled to horizontally move.

The partition plates 120 at the two ends of the sixth roll shaft 420 are respectively provided with a second vertical adjusting groove 123; the vertical adjustment assembly 460 includes a second support block 461 at the end of the sixth roller shaft 420, the second support block 461 being located in the second adjustment groove 123; a second adjusting rod 462 is rotatably arranged on the partition plate 120 and positioned at the second adjusting groove 123, one end of the second adjusting rod 462 penetrates out of the partition plate 120, and a second hand wheel 463 is arranged; the second adjusting rod 462 is threaded on the rod segment in the second adjusting groove 123 to form a second threaded rod segment 462a, and the second threaded rod segment 462a is in threaded connection with the second supporting block 461. Wherein, the second hand wheel 463 and the second adjusting rod 462 are detachably connected, the end of the second adjusting rod 462 is located at the inner side of the partition plate 120, an inner hexagonal hole is formed at the end of the second adjusting rod 462, and one end of the second hand wheel 463 can be inserted into the inner hexagonal hole. Through this setting, when letter sorting potato, can avoid causing the damage to the potato.

The first adjusting groove and the second adjusting groove have different depths, so that the first adjusting rod and the second adjusting rod are staggered, and the first adjusting groove and the second adjusting rod cannot interfere with each other in the partition plate.

The driving mechanism 600 comprises a driving motor 610 fixed on the sorting carriage 100, a driving pulley 620 is arranged on an output shaft of the driving motor 610, a driven pulley 630 is arranged at one end of the fourth roll shaft 370, and a belt 640 is arranged between the driving pulley 620 and the driven pulley 630; the other end of the fourth roller shaft 370 is provided with a first gear 650, one end of the fifth roller shaft 410 adjacent to the first gear 650 is provided with a second gear 660, and the outer sides of the first gear 650 and the second gear 660 are engaged with each other. In operation, the driving motor 610 drives the driven pulley 630 to operate through the driving pulley 620, and the driven pulley 630 drives the fourth roller shaft 370 to rotate. Meanwhile, the fourth and

fifth roller shafts

370 and 410 are reversely rotated due to the meshing effect of the first and

second gears

650 and 660. In actual operation, the second conveyor 440 is driven toward the blanking port 500, and the first conveyor 380 is driven toward the discharge port 110.

The utility model provides a potato sorting device, which is characterized in that a first conveying assembly 300 and a second conveying assembly 400 are arranged on the lower side of a sorting roller set 200, double-layer conveying is formed on the lower side of the sorting roller set 200 through a first horizontal conveying section 310, a second horizontal conveying section 320 and a second conveying assembly 400, and after potatoes are sorted, the distance between the sorting roller set 200 and a conveying belt is shortened, so that the surface of the potatoes is prevented from being damaged after sorting. Simultaneously, the potato is conveyed to the second horizontal conveying section 320 by the inclined conveying section 330, and finally, the potato is conveyed to the discharge hole 110 in the second horizontal conveying section 320, so that the space at the discharge hole 110 is enlarged, and the potato is conveniently packaged.

Through the horizontal adjustment subassembly 450 and the vertical adjustment subassembly 460 that set up, when using, can adjust the length of second conveying subassembly 400, and then adjust the width of blanking mouth 500, in the use, can be according to the width of size control blanking mouth 500 of potato, avoid blanking mouth 500 to block up.

In the description of the present utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," "front," "rear," and the like indicate an azimuth or a positional relationship based on that shown in the drawings, and are merely for convenience of description and to simplify the description, but do not indicate or imply that the apparatus or elements to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediary, or communicating between the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. Embodiments of the utility model and features of the embodiments may be combined with each other without conflict.

The foregoing examples merely illustrate embodiments of the utility model and are described in more detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. The potato sorting device comprises a sorting frame (100), wherein a sorting roller set (200) is arranged on the upper side of the sorting frame (100); the sorting machine is characterized in that a conveying mechanism for conveying materials along the length direction of the rollers of the sorting roller group (200) is arranged on the sorting frame (100) and positioned at the lower side of the sorting roller group (200), and a plurality of groups of conveying mechanisms are arranged at intervals along the sorting direction; the conveying mechanism comprises a first conveying assembly (300) and a second conveying assembly (400),

the first transfer assembly (300) includes a first horizontal transfer section (310), a second horizontal transfer section (320), and an inclined transfer section (330) connected between the first horizontal transfer section (310) and the second horizontal transfer section (320); -the second horizontal transfer section (320) has a lower height than the first horizontal transfer section (310);

the second conveying assembly (400) is horizontally arranged and is positioned on the upper side of the second horizontal conveying section (320), a blanking port (500) is formed between the second conveying assembly (400) and the first horizontal conveying section (310), and the blanking port (500) is positioned above the inclined conveying section (330);

the sorting frame (100) is provided with a discharge hole (110) at one end of the second horizontal conveying section (320) away from the first horizontal conveying section (310), and the sorting frame (100) is provided with a driving mechanism (600) for controlling the first conveying assembly (300) and the second conveying assembly (400) to work.

2. A potato sorting apparatus as claimed in claim 1, characterized in that: a separation plate (120) is arranged between the adjacent conveying mechanisms;

the first conveying assembly (300) comprises a first roller shaft (340) and a second roller shaft (350) which are arranged at two ends of the first horizontal conveying section (310), and a third roller shaft (360) and a fourth roller shaft (370) are respectively arranged at two ends of the second horizontal conveying section (320); the two ends of the first roll shaft (340), the second roll shaft (350), the third roll shaft (360) and the fourth roll shaft (370) are rotatably connected to the separation plate (120);

a first conveyor belt (380) is wound on the outer sides of the first roller shaft (340), the second roller shaft (350), the third roller shaft (360) and the fourth roller shaft (370);

limiting pieces (390) are respectively arranged on two sides of the first conveyor belt (380), and the limiting pieces (390) enable the first conveyor belt (380) to keep a joint state with the first roll shaft (340), the second roll shaft (350), the third roll shaft (360) and the fourth roll shaft (370); the driving mechanism (600) drives the fourth roll shaft (370) to rotate.

3. A potato sorting apparatus as claimed in claim 2, characterized in that: a limiting groove (121) is formed in the partition plate (120) along the conveying direction of the first conveying assembly (300), and the limiting groove (121) is flush with the first conveying belt (380);

the limiting piece (390) comprises limiting rods (391) formed on two side edges of the first conveyor belt (380), and a plurality of limiting rods (391) are arranged at equal intervals along the length direction of the first conveyor belt (380); a limiting ball (392) is fixedly arranged at the free end of the limiting rod (391), and the limiting ball (392) is positioned in the limiting groove (121) and is in sliding connection with the limiting groove (121);

the width of the limiting groove (121) is larger than the diameter of the limiting ball (392), and the positions of the upper side of the first roller shaft (340), the upper side of the fourth roller shaft (370), the upper side of the second roller ball and the lower side of the third roller shaft (360) can be attached to the first conveyor belt (380).

4. A potato sorting apparatus as claimed in claim 2, characterized in that: the second conveying assembly (400) comprises a fifth roller shaft (410) and a sixth roller shaft (420), and the fifth roller shaft (410) and the sixth roller shaft (420) are horizontally arranged; a seventh roller (430) is formed between the fifth roller (410) and the sixth roller (420); the seventh roll shaft (430) is positioned below the fifth roll shaft (410) and the sixth roll shaft (420), and a second conveyor belt (440) is wound on the outer sides of the fifth roll shaft (410), the sixth roll shaft (420) and the seventh roll shaft (430);

the fifth roll shaft (410) is positioned at one end far away from the first horizontal conveying section (310) and is rotationally connected with the separation plate (120);

the partition plate (120) is provided with a horizontal adjusting assembly (450) for adjusting the sixth roll shaft (420) to be close to or far from the fifth roll shaft (410) along the horizontal direction, and a vertical adjusting assembly (460) for adjusting the seventh roll shaft (430) to move along the vertical direction.

5. A potato sorting apparatus as claimed in claim 4, characterized in that: the partition plates (120) at two ends of the fifth roll shaft (410) are respectively provided with a horizontal first adjusting groove (122);

the horizontal adjustment assembly (450) comprises a first support block (451) positioned at the end of the fifth roller (410), the first support block (451) being positioned within the first adjustment slot (122);

a first adjusting rod (452) is rotationally arranged in the first adjusting groove (122), one end of the first adjusting rod (452) penetrates through the partition plate (120), and a first hand wheel (453) is arranged at the outer section; the first adjusting rod (452) is provided with threads on a rod section in the first adjusting groove (122) to form a first threaded rod section (452 a); the first threaded rod section (452 a) is threadedly coupled to the first support block (451).

6. A potato sorting apparatus as claimed in claim 5, characterized in that: the partition plates (120) at two ends of the sixth roll shaft (420) are respectively provided with a second vertical adjusting groove (123);

the vertical adjusting assembly (460) comprises a second supporting block (461) positioned at the end part of the sixth roller shaft (420), and the second supporting block (461) is positioned in the second adjusting groove (123);

a second adjusting rod (462) is rotatably arranged on the partition plate (120) and positioned at the second adjusting groove (123), one end of the second adjusting rod (462) penetrates out of the partition plate (120), and a second hand wheel (463) is arranged;

the second adjusting rod (462) is provided with threads on a rod section positioned in the second adjusting groove (123) to form a second threaded rod section (462 a), and the second threaded rod section (462 a) is in threaded connection with the second supporting block (461).

7. A potato sorting apparatus as claimed in claim 6, characterized in that: the end part of the second adjusting rod (462) is positioned at the inner side of the partition plate (120) and is provided with an inner hexagonal hole, and one end of the second hand wheel (463) is detachably inserted into the inner hexagonal hole.

8. A potato sorting apparatus as claimed in claim 4, characterized in that: the driving mechanism (600) comprises a driving motor (610) fixed on the sorting frame (100), a driving belt wheel (620) is arranged on an output shaft of the driving motor (610), a driven belt wheel (630) is arranged at one end of the fourth roll shaft (370), and a belt (640) is arranged between the driving belt wheel (620) and the driven belt wheel (630);

the other end of the fourth roll shaft (370) is provided with a first gear (650), one end, close to the first gear (650), of the fifth roll shaft (410) is provided with a second gear (660), and the outer sides of the first gear (650) and the second gear (660) are meshed with each other.