阅读说明：本技术 一种马铃薯筛选机 (Potato sieve separator ) 是由 曹喜全 于 2019-10-19 设计创作，主要内容包括：本发明公开一种马铃薯筛选机,包括工作平台和支腿,工作平台由支腿支撑,其特征在于：工作平台为长方体状,工作平台顶部上安装有筛选仓和双向输出电机,双向输出电机的输出端上均套设有驱动偏心轮,第一筛板、第二筛板和第三筛板通过第一放置口、第二放置口和第三放置口可安装在筛选仓腔内底部,排料电机的输出端穿过工作平台及转盘且在端部安装有转动托盘,辅转轴上套设有从动皮带轮,从动皮带轮通过皮带连接主动皮带轮,电磁离合器与主动皮带轮均套设在双向输出电机的输出端上。本发明优点有：结构简单,劳动强度低,分选效率高。(The invention discloses a potato screening machine, which comprises a working platform and supporting legs, wherein the working platform is supported by the supporting legs, and the potato screening machine is characterized in that: work platform is the cuboid form, install screening storehouse and two-way output motor on the work platform top, all the cover is equipped with the drive eccentric wheel on the output of two-way output motor, first sieve, second sieve and third sieve are through first placing the mouth, the mouth is placed to the second and the third is placed a mouthful mountable and is being screened bottom of storehouse intracavity, the output of arranging the material motor passes work platform and carousel and installs at the tip and rotate the tray, the cover is equipped with driven pulley in the assistance pivot, driven pulley passes through the belt and connects the drive pulley, electromagnetic clutch and drive pulley all overlap and establish on the output of two-way output motor. The invention has the advantages that: simple structure, low labor intensity and high sorting efficiency.)

1. The utility model provides a potato sieve separator, includes work platform (1) and landing leg (2), work platform (1) is supported by landing leg (2), its characterized in that: the working platform (1) is in a cuboid shape, a screening bin (3) and a bidirectional output motor (4) are installed on the top of the working platform (1), a driving eccentric wheel (5) is sleeved on an output end of the bidirectional output motor (4), the screening bin (3) is also in a cuboid shape, two corners at the left end of the bottom of the screening bin (3) are respectively fixedly connected with a first connecting rod (6), the first connecting rod (6) is hinged on a first lug seat (7), the first lug seat (7) is installed at the top of the working platform (1), two corners at the right end of the bottom of the screening bin (3) are respectively provided with a second lug seat (8), a second connecting rod (9) is hinged on the second lug seat (8), the second connecting rod (9) is hinged on the driving eccentric wheel (5), a supporting plate (10) is vertically installed at the left end of the top of the working platform (1), the feed hopper (11) is installed at the top of the supporting plate (11), the feed hopper (11) is arranged at the top of the screening bin (3), one side of the screening bin (3) is provided with a first placing opening (12), a second placing opening (13) and a third placing opening (14) in sequence from top to bottom, the first placing opening (12), the second placing opening (13) and the third placing opening (14) are correspondingly provided with a first sieve plate (15), a second sieve plate (16) and a third sieve plate (17), the first sieve plate (15), the second sieve plate (16) and the third sieve plate (17) are provided with sieve holes (18) in an evenly distributed manner through the first placing opening (12), the second placing opening (13) and the third placing opening (14) which can be installed at the bottom in the cavity of the screening bin (3), screening storehouse (3) bottom is equipped with ejection of compact baffle (19), ejection of compact baffle (19) correspond the department install down mount pad (20) on work platform (1), the cover is equipped with mount pad (21) down on mount pad (20), down mount pad (20) with go up and be equipped with first bearing (22) between mount pad (21) the contact surface, it installs in carousel (23) bottom to go up mount pad (21), the lateral part of carousel (23) is equipped with bin outlet (24), the bin outlet (24) correspond the department be equipped with blanking through-hole (25) on work platform (1), the work platform (1) bottom that blanking through-hole (25) correspond the department is equipped with collects storehouse (26), work platform (1) bottom center department is equipped with row material motor (27), the output of row material motor (27) passes work platform (1) and carousel (23) and end-mounted has rotation tray (28), the output of row material motor (27) with work platform (1) reaches be equipped with second bearing (29) and third bearing (30) between the contact surface of carousel (23) respectively, it is equipped with drive gear (31) to go up the cover on installation (21) seat, drive gear (31) meshing drive gear (32), drive gear (32) cover is established and is served at transmission shaft (33), horizontal bearing seat (34) are equipped with to transmission shaft (33) other pot head, install horizontal bearing seat (34) on work platform (1), install umbellate form gear train (35) on transmission shaft (33), and pass through umbellate form gear train (35) are connected and are assisted pivot (36) one end, it is equipped with perpendicular bearing frame (37) to assist pivot (36) other pot head, install perpendicular bearing frame (37) on work platform (1), the cover is equipped with driven pulley (38) on assistance pivot (36), driven pulley (38) pass through the belt and connect driving pulley (39), driving pulley (39) connection electromagnetic clutch (40), electromagnetic clutch (40) with driving pulley (39) are all established on the output of two-way output motor (4).

2. A potato screening machine according to claim (1), wherein: the diameter of the sieve holes (18) on the first sieve plate (15) is 3-8cm, the diameter of the sieve holes (18) on the second sieve plate (16) is 7-12cm, and the diameter of the sieve holes (18) on the third sieve plate (17) is 11-18 cm.

3. A potato screening machine according to claim (2), wherein: the corresponding sieve holes (18) on the first sieve plate (15), the second sieve plate (16) and the third sieve plate (17) are all coaxial.

Technical Field

the invention belongs to the technical field of agricultural machinery, and particularly relates to a potato screening machine.

Background

China is one of the countries with the largest potato planting area in the world, and meanwhile, the consumption of potatoes in China is increased at the speed of 8% per year on average, and is also one of the countries with the fastest consumption in the world. In recent years, sowing and harvesting in the domestic potato production industry are basically mechanized, but harvested potatoes need to be screened according to sizes, smaller potatoes are screened out to realize product grading, and the conventional technology generally adopts manual screening, so that the efficiency is very low. Therefore, it is important to solve the above problems.

Disclosure of Invention

The potato screening machine overcomes the defects of the prior art, and is simple in structure, low in labor intensity and high in sorting efficiency.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows: the utility model provides a potato sieve separator, includes work platform and landing leg, work platform is supported by the landing leg, its characterized in that: the working platform is of a cuboid shape, a screening bin and a bidirectional output motor are installed on the top of the working platform, a driving eccentric wheel is sleeved on the output end of the bidirectional output motor, the screening bin is also of a cuboid shape, two corners at the left end of the screening bin are respectively fixedly connected with a first connecting rod, the first connecting rod is hinged on a first ear seat, the first ear seat is installed at the top of the working platform, two corners at the right end of the bottom of the screening bin are respectively provided with a second ear seat, the second ear seat is hinged with a second connecting rod, the second connecting rod is hinged on the driving eccentric wheel, a supporting plate is vertically installed at the left end of the top of the working platform, a feeding hopper is installed at the top of the supporting plate, the feeding hopper is arranged at the top of the screening bin, one side of the screening bin is sequentially provided with a first placing opening, a second placing opening and a third placing opening from top to bottom, the first placing port, the second placing port and the third placing port are correspondingly provided with a first sieve plate, a second sieve plate and a third sieve plate, the first sieve plate, the second sieve plate and the third sieve plate are arranged at the bottom in the screening chamber cavity through the first placing port, the second placing port and the third placing port, sieve meshes are uniformly distributed on the first sieve plate, the second sieve plate and the third sieve plate, a discharging guide plate is arranged at the bottom of the screening chamber, a lower mounting seat is arranged on the working platform corresponding to the discharging guide plate, an upper mounting seat is sleeved on the lower mounting seat, a first bearing is arranged between the contact surfaces of the lower mounting seat and the upper mounting seat, the upper mounting seat is arranged at the bottom of the rotary table, the lateral part of the rotary table is provided with a discharging port, a discharging through hole is arranged on the working platform corresponding to the discharging port, the bottom of the working platform at the position corresponding to the blanking through hole is provided with a collecting bin, the center of the bottom of the working platform is provided with a discharging motor, the output end of the discharging motor penetrates through the working platform and the turntable, and the end part of the discharging motor is provided with a rotating tray, a second bearing and a third bearing are respectively arranged between the output end of the discharging motor and the contact surface of the working platform and the turntable, the upper mounting seat is sleeved with a driving gear, the driving gear is meshed with a transmission gear, the transmission gear is sleeved on one end of a transmission shaft, the other end of the transmission shaft is sleeved with a horizontal bearing seat, the horizontal bearing seat is mounted on the working platform, the transmission shaft is provided with a bevel gear set, and is connected with one end of an auxiliary rotating shaft through the bevel gear set, the other end of the auxiliary rotating shaft, the auxiliary rotating shaft is sleeved with a driven belt pulley, the driven belt pulley is connected with a driving belt pulley through a belt, the driving belt pulley is connected with an electromagnetic clutch, and the electromagnetic clutch and the driving belt pulley are all sleeved on the output end of the bidirectional output motor.

Furthermore, the diameter of the sieve holes on the first sieve plate is 3-8cm, the diameter of the sieve holes on the second sieve plate is 7-12cm, and the diameter of the sieve holes on the third sieve plate is 11-18 cm.

Furthermore, the corresponding sieve holes on the first sieve plate, the second sieve plate and the third sieve plate are coaxial.

compared with the prior art, the invention has the advantages that: the screening bin can swing left and right by arranging the driving eccentric wheel, so that potatoes roll back and forth in the screening bin, and the potatoes with the sizes are screened out; the arrangement of the first sieve plate, the second sieve plate and the third sieve plate can be changed according to the size of potatoes to be screened, so that the potatoes with different sizes can be screened, and the screening efficiency is improved; the setting of carousel can conveniently adjust the position of bin outlet.

drawings

FIG. 1 is a schematic front sectional view of a potato screening machine of the present invention showing the right end of the screening bin higher than the left end;

FIG. 2 is a schematic front sectional view of a potato screening machine of the present invention showing the left end of the screening bin higher than the right end;

FIG. 3 is an enlarged view of the structure of the screening machine of FIG. 2;

FIG. 4 is a schematic top view of the potato screening machine of the present invention with the screening bin omitted;

FIG. 5 is a schematic view showing an enlarged structure of the screening machine of FIG. 4 in the direction B;

FIG. 6 is a schematic structural view showing that a first sieve plate, a second sieve plate and a third sieve plate of the potato screening machine are arranged in a screening bin.

In the figure, 1, a working platform, 2, a support leg, 3, a screening bin, 4, a bidirectional output motor, 5, a driving eccentric wheel, 6, a first connecting rod, 7, a first lug seat, 8, a second lug seat, 9, a second connecting rod, 10, a support plate, 11, a feed hopper, 12, a first placing opening, 13, a second placing opening, 14, a third placing opening, 15, a first sieve plate, 16, a second sieve plate, 17, a third sieve plate, 18 sieve holes, 19, a discharging guide plate, 20, a lower mounting seat, 21, an upper mounting seat, 22, a first bearing, 23, a rotating disc, 24, a discharging opening, 25, a discharging through hole, 26, a collecting bin, 27, a discharging motor, 28, a rotating tray, 29, a second bearing, 30, a third bearing, 31, a driving gear, 32, a transmission gear, 33, a transmission shaft, 34, a horizontal bearing seat, 35, an umbrella-type gear set, 36, an auxiliary rotating shaft, 37, a vertical bearing seat, 38. driven pulley, 39, driving pulley, 40, electromagnetic clutch.

Detailed Description

The following examples are intended to further illustrate the present invention and should not be construed as limiting the scope of the invention, and other insubstantial modifications and adaptations of the invention by those skilled in the art based on the teachings herein are intended to be covered thereby.

Throughout the specification and claims, unless explicitly stated otherwise, the word "comprise", or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated element or component but not the exclusion of any other element or component.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. 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 invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model provides a potato sieve separator, includes work platform 1 and landing leg 2, and work platform 1 is supported its characterized in that by landing leg 2: the working platform 1 is cuboid, a screening bin 3 and a bidirectional output motor 4 are arranged on the top of the working platform 1, the output ends of the bidirectional output motor 4 are all sleeved with a driving eccentric wheel 5, the screening bin 3 is also cuboid, two corners of the left end of the bottom of the screening bin 3 are respectively fixedly connected with a first connecting rod 6, the first connecting rod 6 is hinged on a first lug seat 7, the first lug seat 7 is arranged on the top of the working platform 1, two corners of the right end of the bottom of the screening bin 3 are respectively provided with a second lug seat 8, the second lug seat 8 is hinged with a second connecting rod 9, the second connecting rod 9 is hinged on the driving eccentric wheel 5, the left end of the top of the working platform 1 is vertically provided with a supporting plate 10, the top of the supporting plate 11 is provided with a feeding hopper 11, the feeding hopper 11 is arranged on the top of the screening bin 3, a first placing port 12, a second placing port 13 and a third placing port 14 are sequentially, a first sieve plate 15, a second sieve plate 16 and a third sieve plate 17 are arranged at the corresponding positions of the first placing port 12, the second placing port 13 and the third placing port 14, the first sieve plate 15, the second sieve plate 16 and the third sieve plate 17 can be arranged at the bottom in the cavity of the screening bin 3 through the first placing port 12, the second placing port 13 and the third placing port 14, sieve holes 18 are uniformly distributed on the first sieve plate 15, the second sieve plate 16 and the third sieve plate 17, a discharge guide plate 19 is arranged at the bottom of the screening bin 3, a lower installation seat 20 is arranged on the working platform 1 at the corresponding position of the discharge guide plate 19, an upper installation seat 21 is sleeved on the lower installation seat 20, a first bearing 22 is arranged between the contact surfaces of the lower installation seat 20 and the upper installation seat 21, the upper installation seat 21 is arranged at the bottom of a rotary table 23, a discharge port 24 is arranged at the side part of the rotary table 23, a discharge through hole 25 is arranged on the working platform 1 at the corresponding position of the discharge port 24, a collection bin, a discharging motor 27 is arranged at the center of the bottom of the working platform 1, the output end of the discharging motor 27 passes through the working platform 1 and the turntable 23, and a rotating tray 28 is arranged at the end part, a second bearing 29 and a third bearing 30 are respectively arranged between the output end of the discharging motor 27 and the contact surfaces of the working platform 1 and the turntable 23, a driving gear 31 is sleeved on the upper mounting seat 21, the driving gear 31 is meshed with a transmission gear 32, the transmission gear 32 is sleeved on one end of a transmission shaft 33, a horizontal bearing seat 34 is sleeved on the other end of the transmission shaft 33, the horizontal bearing seat 34 is arranged on the working platform 1, a bevel gear set 35 is arranged on the transmission shaft 33 and is connected with one end of an auxiliary rotating shaft 36 through the bevel gear set 35, a vertical bearing seat 37 is sleeved on the other end of the auxiliary rotating shaft 36, a driven belt pulley 38 is sleeved on, the driving belt pulley 39 is connected with an electromagnetic clutch 40, and the electromagnetic clutch 40 and the driving belt pulley 39 are both sleeved on the output end of the bidirectional output motor 4.

The diameter of the screen hole 18 on the first screen plate 15 is 7cm, the diameter of the screen hole 18 on the second screen plate 16 is 11cm, and the diameter of the screen hole 18 on the third screen plate 17 is 18 cm.

the corresponding screen openings 18 on the first screen deck 15, the second screen deck 16 and the third screen deck 17 are all coaxial.

When the potato screening machine is used, a worker firstly puts potatoes into the screening bin 3 through the feed hopper 11, then starts the bidirectional output motor 4, screens out the potatoes with the diameter smaller than that of the sieve holes 18 on the first sieve plate 15 under the action of the first sieve plate 15 of the screening bin 3, collects the potatoes onto the rotating tray 28 in the rotating disc 23 through the discharging guide plate 19, simultaneously starts the electromagnetic clutch 40 to enable the discharge port 24 on the rotating disc 23 to be arranged above the corresponding blanking through hole 25, then starts the discharging motor 27, and finally falls into the corresponding collecting bin 26 under the action of the rotating tray 28; when the potatoes with the diameter smaller than the diameter of the sieve pores 18 on the first sieve plate 15 are screened, the worker takes out the first sieve plate 15 through the first placing port 12 to enable the potatoes to fall onto the second sieve plate 16, the potatoes with the diameter smaller than the diameter of the sieve pores 18 on the second sieve plate 16 are screened out under the action of the second sieve plate 16 of the screening bin 3 and are collected onto the rotating tray 28 in the rotating disc 23 through the discharging guide plate 19, meanwhile, the electromagnetic clutch 40 is started to enable the discharging port 24 on the rotating disc 23 to be placed above the corresponding discharging through hole 25, then the discharging motor 27 is started, and finally the potatoes fall into the corresponding collecting bin 26 under the action of the rotating tray 28; when the potato screening that the diameter is less than sieve mesh 18 diameter on the second sieve 16 finishes, the staff places mouth 13 through the second and takes out second sieve 16, make the potato fall into on third sieve 17, the potato is screened out diameter less than sieve mesh 18 diameter on the third sieve 17 under the effect of the third sieve 17 of screening storehouse 3, collect the rotation tray 28 in carousel 23 through ejection of compact baffle 19 on, start electromagnetic clutch 40 simultaneously, make the bin outlet 24 on the carousel 23 arrange corresponding blanking through-hole 25 top in, restart row material motor 27, finally under the effect of rotating tray 28, fall into corresponding collection storehouse 26, thereby accomplish the screening.

The working principle of the invention is as follows:

The output end of the bidirectional output motor 4 drives the driving eccentric wheel 5, the driving eccentric wheel 5 rotates to drive the second connecting rod 9 to do eccentric motion, the second connecting rod 9 enables the screening bin 3 to swing left and right in the operation process and under the coordination of the first connecting rod 6, the screening of potatoes is realized, and the screened potatoes are collected on the rotating tray 28 in the rotating disc 23; the output end of the bidirectional output motor 4 simultaneously drives an electromagnetic clutch 40, the electromagnetic clutch 40 drives a driving belt pulley 39, the driving belt pulley 39 drives a driven belt pulley 38 through a belt, the driven belt pulley 38 drives an auxiliary rotating shaft 36, the auxiliary rotating shaft 36 drives a transmission shaft 33 through an umbrella-shaped gear set 35, the transmission shaft 33 drives a transmission gear 32, the transmission gear 32 drives a driving gear 31, the driving gear 31 drives an upper mounting seat 21, and the upper mounting seat 21 rotates to drive a rotary disc 23 to enable a discharge port to be arranged above the blanking through hole 25; the output of the discharge motor 27 drives the rotating tray 28 to rotate in the turntable 23.

the present invention is not described in detail in the prior art.