A kind of sieving and grading device of sweet potato
Technical field
The utility model relates to a kind of sieving and grading of agricultural planting fertilizing equipment technical field more particularly to sweet potato dresses
It sets.
Background technique
Different grades of sweet potato, sweet potato quality is different, and sweet potato can be divided into 4 grades according to size, level-one commodity sweet potato, and two
Grade commodity sweet potato, mini sweet potato, no rank sweet potato carry out in process to sweet potato, carry out deep processing by the grade of sweet potato,
To obtain the sweet potato of different qualities, the selling by grade of sweet potato helps to improve the market competitiveness of sweet potato and increases economic effect
Benefit.
Sweet potato needs to carry out sieving and grading process, the sieving and grading of sweet potato relies primarily at present after the completion of harvesting cleaning
Operator's naked-eye observation, worker are classified manually, under efficiency, so that the sweet potato size level screened out is different, uniformity
It is poor, production cost is considerably increased, is not suitable for large-scale production and promotes.
Summary of the invention
The utility model aims to solve the problem that the deficiencies in the prior art, and provides a kind of sieving and grading device of sweet potato.
In order to achieve the above object, the utility model adopts the following technical solutions:
A kind of sieving and grading device of sweet potato, including rack, which is characterized in that if the bottom of the rack is equipped with dry turning
Wheel, the upper outside of the rack are fixed with material feeding box, screening cabinet, the intracorporal bottom of screen box are equipped in the rack
Portion is provided with level-one sieve, second level sieve, three-level sieve and level Four sieve, the level-one sieve, the second level sieve, described three
Grade sieve and the level Four sieve are obliquely installed, the level-one sieve, the second level sieve, the three-level sieve and described four
The lower surface of grade sieve is equipped with vibrator, and the upper end of the level-one sieve is located at the lower section of the material feeding box, the material feeding box
Outlet end through it is described screening cabinet side wall with it is described screen cabinet inside be connected to, the upper end of the second level sieve and institute
The lower end for stating level-one sieve is connected, and the upper end of the three-level sieve is connected with the lower end of the second level sieve, the level Four sieve
Upper end be connected with the lower end of the three-level sieve, the lower end of the level Four sieve fixed connects through the side wall of the screening cabinet
There is mounting plate, the lower section of the mounting plate is equipped with turntable, and the turntable is mounted on the side wall of the rack by mounting rod, institute
The central axis for stating turntable is equipped with driving motor, and the driving motor is mounted on the mounting rod, on the outer wall of the turntable
Circumference is equipped with several convex blocks, and the lower surface on the top and the mounting plate that rotate to the convex block of vertical direction offsets, described
Level-one sieve, the second level sieve, the three-level sieve and the level Four sieve sieve pore internal diameter successively increase, the level-one sieve
Discharge bucket, the fixed peace of the discharge bucket are equipped with below net, the second level sieve, the three-level sieve and the level Four sieve
Mounted in the bottom outside of the screening cabinet, the top of each discharge bucket is through the bottom and described one of the screening cabinet
Grade sieve, the second level sieve, the three-level sieve are connected to the lower surface of the level Four sieve, and the lower section of the discharge bucket is equal
It is correspondingly provided with conveyer belt, the conveyer belt is mounted on the rack, and the two sides of the conveyer belt are equipped with baffle vertically, described
Baffle is fixedly mounted in the rack, is equipped with compression bullet vertically between the adjacent baffle of described conveyer belt one end
Spring, the bottom of the compressed spring are fixed with limited block, and the limited block is fixedly mounted in the rack, the limited block
Upper surface be equipped with limiting groove, the surface of the limiting groove is equipped with locating rod, and the locating rod is fixedly mounted on described
The bottom of cabinet is screened, between the adjacent discharge bucket, the top of the compressed spring is fixedly mounted on the locating rod
The top of the locating rod.
The wheel uses self-locking universal wheel.
The upper surface of the conveyer belt is equipped with rubber layer.
The discharge bucket frustum structure setting with a narrow upper and lower width.
The driving motor is servo motor.
The beneficial effects of the utility model are: the utility model structure is simple, design is reasonable, by setting in screen box body
Level-one sieve, second level sieve, three-level sieve and level Four sieve, and the turntable with convex block are set, is cooperated defeated below discharge bucket
Band is sent, worker is avoided and carries out sweet potato classification manually, effectively increase the classification efficiency of sweet potato, so that the sweet potato size screened out
Uniformly, production cost is greatly reduced, large-scale production is suitble to and is promoted.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model;
In figure: 1- material feeding box;2- rack;3- wheel;4- level-one sieve;5- second level sieve;6- three-level sieve;7- level Four sieve
Net;8- baffle;9- conveyer belt;10- discharge bucket;11- mounting plate;12- turntable;13- convex block;14- compressed spring;15- limited block;
16- driving motor;17- screens cabinet;
It is described in detail below with reference to the embodiments of the present invention referring to attached drawing.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples:
As shown in Figure 1, a kind of sieving and grading device of sweet potato, including rack (2), which is characterized in that the rack (2)
Bottom is equipped with several wheels (3), and the upper outside of the rack (2) is fixed with material feeding box (1), is equipped in the rack (2)
It screens cabinet (17), the bottom in screening cabinet (17) is provided with level-one sieve (4), second level sieve (5), three-level sieve
(6) it is sieved with level Four sieve (7), the level-one sieve (4), the second level sieve (5), the three-level sieve (6) and the level Four
Net (7) is obliquely installed, the level-one sieve (4), the second level sieve (5), the three-level sieve (6) and the level Four sieve
(7) lower surface is equipped with vibrator, and the upper end of the level-one sieve (4) is located at the lower section of the material feeding box (1), the charging
The outlet end of case (1) is connected to through the side wall of screening cabinet (17) with the inside of screening cabinet (17), the second level
The upper end of sieve (5) is connected with the lower end of the level-one sieve (4), the upper end of the three-level sieve (6) and the second level sieve
(5) lower end is connected, and the upper end of the level Four sieve (7) is connected with the lower end of the three-level sieve (6), the level Four sieve
(7) lower end is fixed with mounting plate (11) through the side wall of screening cabinet (17), is set below the mounting plate (11)
Have turntable (12), the turntable (12) is mounted on the side wall of the rack (2) by mounting rod, the center of the turntable (12)
Driving motor (16) are equipped at axis, the driving motor (16) is mounted on the mounting rod, on the outer wall of the turntable (12)
Circumference is equipped with several convex blocks (13), rotates to the top of the convex block (13) of vertical direction and the following table of the mounting plate (11)
Face offsets, the level-one sieve (4), the second level sieve (5), the three-level sieve (6) and the level Four sieve (7) sieve pore
Internal diameter successively increases, the level-one sieve (4), the second level sieve (5), the three-level sieve (6) and the level Four sieve (7)
Lower section be equipped with discharge bucket (10), the discharge bucket (10) be fixedly mounted on it is described screening cabinet (17) bottom outside, often
It is sieved through the bottom of screening cabinet (17) and the level-one sieve (4), the second level on the top of a discharge bucket (10)
Net (5), the three-level sieve (6) are connected to the lower surface of the level Four sieve (7), and the lower section of the discharge bucket (10) is corresponding
Equipped with conveyer belt (9), the conveyer belt (9) is mounted on the rack (2), and the two sides of the conveyer belt (9) are equipped with vertically
Baffle (8), the baffle (8) are fixedly mounted on the rack (2), are located at the adjacent gear of the conveyer belt (9) one end
Compressed spring (14) are equipped with vertically between plate (8), the bottom of the compressed spring (14) is fixed with limited block (15), the limit
Position block (15) is fixedly mounted on the rack (2), and the upper surface of the limited block (15) is equipped with limiting groove, and the limit is recessed
The surface of slot is equipped with locating rod, and the locating rod is fixedly mounted on the bottom of screening cabinet (17), the locating rod position
Between the adjacent discharge bucket (10), the top of the compressed spring (14) is fixedly mounted on the top of the locating rod.
The wheel (3) uses self-locking universal wheel.
The upper surface of the conveyer belt (9) is equipped with rubber layer.
Discharge bucket (10) the frustum structure setting with a narrow upper and lower width.
The driving motor (16) is servo motor.
When the utility model is used, sweet potato to be sieved is added in screening cabinet 17 by material feeding box 1, starts driving motor
16, driving motor 16 drives the turntable 12 for being equipped with convex block 13 to rotate, so that screening cabinet 17 shakes along the vertical direction in rack 2
It is dynamic, while vibrator is opened, sweet potato to be sieved passes sequentially through level-one sieve 4, second level sieve 5, three-level sieve 6, level Four sieve 7
Entered on corresponding conveyer belt 9 by discharge bucket 10, the sweet potato after screening is delivered to extraneous collecting box through conveyer belt 9 and is received
Collection, avoids worker and carries out sweet potato classification manually, effectively increase the classification efficiency of sweet potato, so that the sweet potato size screened out is equal
It is even, production cost is greatly reduced, is suitble to large-scale production and promotes, the utility model structure is simple, and design is reasonable.
The utility model is exemplarily described above in conjunction with attached drawing, it is clear that the utility model specific implementation not by
The limitation of aforesaid way, if the method concept of the utility model and the various improvement of technical solution progress are used, or without
Improvement directly applies to other occasions, both is within the protection scope of the present invention.