CN219817071U - Anti-blocking grading and selecting mechanism - Google Patents

Abstract

The utility model discloses an anti-blocking grading and carefully selecting mechanism, which relates to the technical field of rice processing equipment, and aims at solving the problems that the existing rice screening device can only screen rice for a single time, can not sufficiently filter impurities in the rice and the screened impurities can not be transported out in time, are easy to accumulate and are inconvenient to clean. According to the utility model, through the matched use of the anti-blocking feeding component and the grading screening component, the feeding speed is convenient to control, rice blockage can be prevented, the upper grading screening of rice is effectively realized, the quality of rice screening is effectively improved, screened impurities are timely conveyed out through the belt conveyor, centralized treatment is convenient, and accumulation is avoided.

Description

Anti-blocking grading and selecting mechanism

Technical Field

The utility model relates to the technical field of rice processing equipment, in particular to an anti-blocking grading and selecting mechanism.

Background

The rice is a finished product prepared by the working procedures of cleaning, hulling, milling, finishing finished products and the like.

Prior art can refer to the chinese patent of the publication No. CN111889377a, and it discloses a rice screening plant, which comprises a box body, the top on box inner wall right side is through connecting piece fixedly connected with arc screen cloth, the bottom fixedly connected with mounting panel of arc screen cloth, the bottom fixedly connected with arc panel of mounting panel to the bottom fixedly connected with arc pole of arc panel, the sleeve has all been run through at the both ends of arc pole to telescopic bottom and the bottom fixedly connected with of box inner wall, the both sides of arc pole all fixedly connected with slider to the top fixedly connected with spring of slider, the top of spring and the top fixedly connected with of sleeve inner wall, but this screening plant still has some shortfalls when using:

firstly, only single screening can be carried out on rice, and impurities in the rice cannot be sufficiently filtered.

Secondly, the impurity of screening can't transport away in time, easily produces and piles up, is inconvenient for the clearance.

Thus, a tamper resistant hierarchical beneficiation mechanism is now provided.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides an anti-blocking grading and selecting mechanism, which is convenient for controlling the feeding speed and preventing rice from being blocked through the matched use of an anti-blocking feeding component and a grading screening component, effectively realizes the upper grading screening of rice, effectively improves the quality of rice screening, timely conveys out the screened impurities through a belt conveyor, is convenient for centralized processing, avoids accumulation, and effectively solves the problems that the existing rice screening device can only screen rice for a single time, can not sufficiently filter the impurities in the rice and timely transport the screened impurities, is easy to produce accumulation and is inconvenient to clean.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a hierarchical carefully chosen mechanism of jam prevention, includes the collecting box, the top of collecting box is provided with the installing support, be provided with anti-blocking material loading subassembly on the installing support, be provided with hierarchical screening subassembly on the installing support, the collecting box has seted up the mouth that gathers materials, installs band conveyer in the collecting box.

Through foretell scheme, through the cooperation use of anti-blocking feeding subassembly and hierarchical screening subassembly, not only be convenient for control material loading speed, and can prevent that rice from blockking up, effectually realized going up hierarchical screening to rice, effectually improved the quality of rice screening, timely transport away the impurity of screening out through band conveyer, the centralized processing of being convenient for avoids piling up.

Preferably, the mounting bracket comprises four fixing rods welded at four corners of the upper surface of the collecting box, and supporting top plates are welded at the top ends of the four fixing rods.

Preferably, the anti-blocking feeding assembly comprises a hopper fixed at the top end of the supporting top plate, and the bottom end of the hopper penetrates to the lower side of the supporting top plate.

Through the scheme, the rice is stored in the hopper, and is discharged from the bottom of the hopper to be fed to the classifying screen assembly.

Preferably, the rotary rod is rotatably installed below the inner wall of the hopper through a bearing, the servo motor is installed below the outer wall of the hopper, the output end of the servo motor is in transmission connection with one end of the rotary rod, and the baffle is fixed on the outer surface of the rotary rod at equal distance.

Through foretell scheme, open servo motor through the control switch on the collecting box, utilize servo motor drive rotary rod and baffle rotation for rice is discharged from the bottom of hopper under stirring of baffle, not only is convenient for control material loading speed, and can prevent that rice from blockking up.

Preferably, the classifying screen assembly comprises two movable rods, one of the movable rods is sleeved on the two fixed rods on the left side in a sliding manner, the other movable rod is sleeved on the two fixed rods on the right side in a sliding manner, one side, opposite to the other side, of the two movable rods is obliquely provided with a first-stage screening screen plate, the top ends of the two first-stage screening screen plates are connected with connecting rods, the bottom ends of the connecting rods are welded with connecting rods, and the bottom ends of the connecting rods are obliquely provided with a second-stage screening screen plate.

Through foretell scheme, rice is discharged from the bottom of hopper after, falls to two one-level screening otter boards earlier and carries out first screening, and fine particle rice and impurity fall again and carry out the second screening on the second screening otter board, and impurity falls into the collecting box after the second screening, and the rice after the screening then falls from two one-level screening otter boards and second screening otter board respectively.

Preferably, the parts of the four fixed rods below the movable rods are sleeved with supporting springs, and the bottom ends of the two movable rods are provided with vibrating motors.

Through foretell scheme, through the elastic support of supporting spring to the movable rod, utilize vibrating motor to drive the movable rod and shake, drive two one-level screening otter boards and second grade screening otter board vibrations then, improve screening efficiency.

Preferably, one end of the belt conveyor extends to the outside of the collecting box, and the belt conveyor is located below the collecting port.

Through foretell scheme, the impurity of screening falls to band conveyer from the mouth that gathers materials on, in time carries away through band conveyer, is convenient for centralized processing, avoids piling up.

The beneficial effects of the utility model are as follows:

1. through depositing the rice in the hopper, open servo motor through the control switch on the collecting box, utilize servo motor drive rotary rod and baffle rotation, make the rice discharge from the bottom of hopper under stirring of baffle, not only be convenient for control feeding speed, and can prevent that the rice from blockking up, the rice is discharged the back from the bottom of hopper, fall to two one-level screening otter boards earlier and carry out first screening, fine particle rice and impurity fall to the second screening on the second screening otter board again, impurity falls into the collecting box after the second screening, the rice after the screening then falls down from two one-level screening otter boards and second screening otter boards respectively, the effectual quality that improves the rice screening.

2. The sieved impurities fall onto the belt conveyor from the material collecting port, and are timely conveyed out through the belt conveyor, so that centralized treatment is facilitated, and accumulation is avoided.

To sum up, through the cooperation of anti-blocking feeding subassembly and hierarchical screening subassembly, not only be convenient for control material loading speed, and can prevent that rice from blockking up, the effectual quality of screening on going up the classification to rice that has realized, the effectual quality that improves rice screening, in time carry away the impurity of screening out through band conveyer, the centralized processing of being convenient for avoids piling up.

Drawings

Fig. 1 is a schematic perspective view of an anti-blocking classifying and selecting mechanism according to the present utility model.

Fig. 2 is a schematic cross-sectional front view of a blocking-preventing classifying and selecting mechanism according to the present utility model.

Fig. 3 is a schematic side view of a partial structure of a classifying screen assembly of an anti-clogging classifying screen mechanism according to the present utility model.

Fig. 4 is an enlarged schematic view of the structure of fig. 2 a of an anti-clogging classifying and selecting mechanism according to the present utility model.

In the figure: 1. a collection box; 2. a support spring; 3. a fixed rod; 4. a vibration motor; 5. a servo motor; 6. a hopper; 7. a supporting top plate; 8. a movable rod; 9. a belt conveyor; 10. a second-stage screening screen plate; 11. a first-stage screening screen plate; 12. a connecting rod; 13. a connecting rod; 14. a rotating rod; 15. and a baffle.

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.

1, referring to fig. 1-4, an anti-blocking grading and selecting mechanism comprises a collecting box 1, wherein the top end of the collecting box 1 is provided with a mounting bracket, the mounting bracket comprises four fixing rods 3 welded at four corners of the upper surface of the collecting box 1, and the top ends of the four fixing rods 3 are welded with a supporting top plate 7;

be provided with anti-blocking material loading subassembly on the installing support, anti-blocking material loading subassembly is including fixing the hopper 6 on the top of supporting roof 7, and the bottom of hopper 6 runs through to the below of supporting roof 7.

By storing the rice in the hopper 6, the rice is discharged from the bottom of the hopper 6 to the sizing screen assemblies for feeding.

A rotary rod 14 is rotatably arranged below the inner wall of the hopper 6 through a bearing, a servo motor 5 is arranged below the outer wall of the hopper 6, the output end of the servo motor 5 is in transmission connection with one end of the rotary rod 14, and a baffle 15 is fixed on the outer surface of the rotary rod 14 at equal distance.

The servo motor 5 is started through the control switch on the collecting box 1, and the rotary rod 14 and the baffle 15 are driven to rotate by the servo motor 5, so that rice is discharged from the bottom of the hopper 6 under the stirring of the baffle 15, the feeding speed is convenient to control, and rice blockage can be prevented;

be provided with hierarchical screening subassembly on the installing support, hierarchical screening subassembly includes two movable rods 8, wherein one movable rod 8 slip cup joints on two dead levers 3 on the left side, another movable rod 8 slip cup joints on two dead levers 3 on the right side, the equal slope in one side that two movable rods 8 are relative installs one-level screening otter board 11, the top of two one-level screening otter boards 11 is connected with linking pole 13, the welding of the bottom of linking pole 13 has connecting rod 12, the installation second grade screening otter board 10 of the bottom slope of connecting rod 12.

After being discharged from the bottom of the hopper 6, the rice falls onto two first-stage screening net plates 11 for first screening, fine grain rice and impurities fall onto a second-stage screening net plate 10 for second screening, the impurities fall into the collecting box 1 after the second screening, and the screened rice falls from the two first-stage screening net plates 11 and the second-stage screening net plate 10 respectively.

The parts of the four fixed rods 3 positioned below the movable rods 8 are sleeved with supporting springs 2, and the bottom ends of the two movable rods 8 are provided with vibrating motors 4.

The movable rod 8 is elastically supported by the supporting spring 2, the vibration motor 4 is utilized to drive the movable rod 8 to vibrate, and then two primary screening screen plates 11 and two secondary screening screen plates 10 are driven to vibrate, so that screening efficiency is improved;

the collecting box 1 is provided with a collecting opening, the collecting box 1 is internally provided with a belt conveyor 9, one end of the belt conveyor 9 extends to the outside of the collecting box 1, and the belt conveyor 9 is positioned below the collecting opening.

The sieved impurities fall onto the belt conveyor 9 from the material collecting port, and are timely conveyed out through the belt conveyor 9, so that centralized treatment is facilitated, and accumulation is avoided.

Working principle: through depositing the rice in hopper 6, open servo motor 5 through the control switch on collecting box 1, utilize servo motor 5 drive rotary rod 14 and baffle 15 to rotate, make the rice discharge from the bottom of hopper 6 under stirring of baffle 15, not only be convenient for control material loading speed, and can prevent rice jam, the rice is discharged from the bottom of hopper 6 after, fall to two first order screening otter board 11 earlier and carry out first screening, fine particle rice and impurity fall to second order screening on second order screening otter board 10 again, impurity falls into collecting box 1 after the second screening, the rice after the screening then falls down from two first order screening otter board 11 and second order screening otter board 10 respectively, the impurity of screening falls to belt conveyor 9 from the mouth that gathers materials, in time carry out through belt conveyor 9, be convenient for centralized processing, avoid piling up.

The present utility model is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present utility model and the inventive concept thereof, can be replaced or changed within the scope of the present utility model.

Claims (1)

1. The utility model provides a hierarchical carefully chosen mechanism of jam-proof, includes collecting box (1), its characterized in that, the top of collecting box (1) is provided with the installing support, be provided with anti-blocking material loading subassembly on the installing support, be provided with hierarchical screening subassembly on the installing support, collecting box (1) has offered the mouth that gathers materials, installs band conveyer (9) in collecting box (1);

the mounting bracket comprises four fixing rods (3) welded at four corners of the upper surface of the collecting box (1), and supporting top plates (7) are welded at the top ends of the four fixing rods (3);

the anti-blocking feeding assembly comprises a hopper (6) fixed at the top end of the supporting top plate (7), and the bottom end of the hopper (6) penetrates through the lower part of the supporting top plate (7);

a rotary rod (14) is rotatably arranged below the inner wall of the hopper (6) through a bearing, a servo motor (5) is arranged below the outer wall of the hopper (6), the output end of the servo motor (5) is in transmission connection with one end of the rotary rod (14), and a baffle (15) is fixed on the outer surface of the rotary rod (14) at equal distance;

the grading screening component comprises two movable rods (8), wherein one movable rod (8) is sleeved on two fixed rods (3) on the left side in a sliding manner, the other movable rod (8) is sleeved on two fixed rods (3) on the right side in a sliding manner, one side, opposite to the other side, of each movable rod (8) is obliquely provided with a first-stage screening screen plate (11), the top ends of the two first-stage screening screen plates (11) are connected with connecting rods (13), the bottom ends of the connecting rods (13) are welded with connecting rods (12), and the bottom ends of the connecting rods (12) are obliquely provided with second-stage screening screen plates (10);

the parts of the four fixed rods (3) positioned below the movable rods (8) are sleeved with supporting springs (2), and the bottom ends of the two movable rods (8) are provided with vibrating motors (4);

one end of the belt conveyor (9) extends to the outside of the collecting box (1), and the belt conveyor (9) is positioned below the collecting opening.