CN219540598U - Preliminary sieving mechanism of crops - Google Patents

Abstract

The utility model discloses a preliminary crop screening device in the field of crop screening, which comprises a screening box body, wherein a magnetic adsorption shell is integrally formed at a corner part above the screening box body, a supporting shaft is fixedly connected to the inner wall of the magnetic adsorption shell, a rotating motor is connected to one side wall of the magnetic adsorption shell through a screw, two conducting rings are fixedly inlaid on the outer circular surface of the supporting shaft, and a rotating sleeve is rotatably connected to the outer wall of the supporting shaft. According to the utility model, the rotating sleeve can be driven to rotate by the rotating motor, so that the magnet adsorption block can be driven to rotate, the magnet adsorption block above the filter screen can be rotated to be above the collection box body after the magnet adsorption block adsorbs the ferrous impurities, and meanwhile, the conductive block and the conductive ring at the position are separated, so that the adsorbed magnetic impurities can automatically fall into the collection box body, the trouble of controlling the electromagnetic adsorption block to be electrified and powered off is omitted, the circuit connection is greatly simplified, and the device is very convenient and practical.

Description

Preliminary sieving mechanism of crops

Technical Field

The utility model relates to the field of crop screening, in particular to a preliminary crop screening device.

Background

The rice is taken as one of the staple foods for people to eat daily, the quality of the rice is important, the rice is obtained by rice milling, the processed rice is packaged and sold, but the rice obtained after milling has a large amount of rice flour, the rice particles are uneven in size, some broken rice is mixed in the rice, and even the processed rice is doped with broken stone and broken rice, so that the broken rice needs to be selected.

However, when the conventional primary screening device is used for screening, after the iron impurities are removed by the magnet adsorption blocks, the iron impurities are clear and inconvenient, the circuit layout is complex and impractical, and when the screening net vibrates, the vibration motor needs to be added, so that the energy consumption is high. Accordingly, a preliminary screening device for crops is provided by those skilled in the art to solve the above-mentioned problems in the background art.

Disclosure of Invention

The utility model aims to provide a preliminary crop screening device so as to solve the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a preliminary sieving mechanism of crops, includes the screening box, screening box top one corner position integrated into one piece has the magnetic adsorption shell, fixedly connected with back shaft on the magnetic adsorption shell inner wall, there are rotating electrical machines through the screw connection on a magnetic adsorption shell lateral wall, fixed the inlaying on the back shaft outer disc has two conducting rings, it is connected with the rotating sleeve to rotate on the back shaft outer wall, there are four magnet adsorption blocks along excircle direction fixed mounting on the rotating sleeve outer wall, the wiring end fixed mounting of four magnet adsorption blocks has and passes the conducting block that the rotating sleeve set up, the conducting block with the conducting ring slides closely, the output shaft of rotating electrical machines pass behind the screening box with the rotating sleeve passes through key connection, screening box inside is located magnetic adsorption shell below fixedly connected with collects the box, collect box top fixedly connected with scraper blade.

As a further scheme of the utility model: screening box top fixedly connected with feeder hopper, screening box bottom four corners department fixedly connected with supporting leg, there is the controller through the screw connection on a screening box lateral wall.

As a further scheme of the utility model: the screening box with the adjacent side wall bottom integrated into one piece of controller has out miscellaneous side pipe, screening box with fixedly connected with discharge hopper on the adjacent opposite side of controller.

As a further scheme of the utility model: screening box top is located magnetic adsorption shell one side fixedly connected with feeder hopper, fixedly connected with articulates the seat on the screening box inner wall, it is connected with filter screen through the round pin axle rotation on the articulated seat, filter screen slope sets up, just filter screen with the card is pressed between the screening box inner wall and is fixed with the spring.

As a further scheme of the utility model: the screening box bottom is the inclined plane structure, screening box inner bottom is located discharge hopper one side fixedly connected with is used for providing spacing and the spacing sloping kicking block of bottom direction that provides the direction for the ejection of compact for filter screen.

As a further scheme of the utility model: and a plurality of motor supports are fixedly connected to the inner wall of the impurity outlet square tube, and an adsorption fan for impurity outlet is arranged on each motor support.

As a further scheme of the utility model: the conducting ring is electrically connected with the controller through a conducting slip ring, and the conducting ring is located at the collecting box body and is of an opening structure.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the rotating sleeve can be driven to rotate by the rotating motor, so that the magnet adsorption block can be driven to rotate, the magnet adsorption block above the filter screen can be rotated to be above the collection box body after the magnet adsorption block adsorbs the iron impurities, and meanwhile, the conductive block and the conductive ring at the position are separated, so that the adsorbed magnetic impurities can automatically fall into the collection box body, the trouble of controlling the electromagnetic adsorption block to be electrified and powered off is avoided, the circuit connection is greatly simplified, and the device is extremely convenient and practical;

2. according to the utility model, the elastic supporting force can be provided for the filter screen through the spring, so that the filter screen can be pushed to rotate back and forth along the hinge seat after rice falls onto the filter screen through gravity, the vibration effect is achieved, the screening effect can be greatly provided, the purpose of achieving the vibration effect by adopting the vibration motor is omitted compared with the existing structure, and the energy-saving effect is good.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a cross-sectional view of the present utility model;

FIG. 3 is a cross-sectional view of the connection of the support shaft and the swivel sleeve of the present utility model;

FIG. 4 is a right cross-sectional view of the connection of the support shaft and the swivel sleeve of the present utility model;

fig. 5 is an enlarged view of a portion of the collection cassette of fig. 2 in accordance with the present utility model.

In the figure: 1. screening a box body; 2. discharging a miscellaneous square tube; 3. a magnetic adsorption housing; 4. a rotating electric machine; 5. discharging a hopper; 6. a controller; 7. a feed hopper; 8. a support shaft; 9. a rotating sleeve; 10. a magnet adsorption block; 11. a conductive ring; 12. a conductive block; 13. collecting a box body; 14. a scraper; 15. a filter screen; 16. a hinge base; 17. a spring; 18. a bottom guiding limit inclined top block; 19. a fan support; 20. and (5) an adsorption fan.

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.

Referring to fig. 1 to 5, in an embodiment of the utility model, a preliminary screening device for crops includes a screening box 1, a magnetic adsorption housing 3 is integrally formed at a corner above the screening box 1, a supporting shaft 8 is fixedly connected to an inner wall of the magnetic adsorption housing 3, a rotating motor 4 is connected to one side wall of the magnetic adsorption housing 3 through screws, two conducting rings 11 are fixedly embedded on an outer circumferential surface of the supporting shaft 8, a rotating sleeve 9 is rotatably connected to an outer wall of the supporting shaft 8, four magnet adsorption blocks 10 are fixedly mounted on an outer wall of the rotating sleeve 9 along an outer circumferential direction, conducting blocks 12 penetrating through the rotating sleeve 9 are fixedly mounted at connection ends of the four magnet adsorption blocks 10, the conducting blocks 12 and the conducting rings 11 slide tightly, an output shaft of the rotating motor 4 penetrates through the screening box 1 and then is connected with the rotating sleeve 9 through keys, a collecting box 13 is fixedly connected to the inside the screening box 1 below the magnetic adsorption housing 3, and a scraping plate 14 is fixedly connected to the upper part of the collecting box 13; the conducting ring 11 is electrically connected with the controller 6 through a conducting slip ring, and the conducting ring 11 is positioned at the collecting box 13 and is of an opening structure.

Through adopting above-mentioned technical scheme, can drive the rotation cover 9 through rotating electrical machines 4 and rotate, and then can drive magnet adsorption piece 10 and rotate, can be after the magnet adsorption piece 10 of filter screen 15 top adsorbs the iron nature impurity, rotate it to collect box body 13 top, meanwhile, the electrically conductive piece 12 and the electrically conductive ring 11 separation of this position can make the absorptive magnetism impurity fall to the collection box body 13 inside automatically, save the trouble of controlling the electromagnetic adsorption piece circular telegram outage, simplify circuit connection greatly, and is very convenient and practical.

Wherein, screening box 1 top fixedly connected with feeder hopper 7, screening box 1 bottom four corners department fixedly connected with supporting leg, there is controller 6 through the screw connection on screening box 1 a lateral wall, and the rice can hear feeder hopper 7 and enter into screening box 1 inside and screen.

Wherein, screening box 1 and the adjacent lateral wall bottom integrated into one piece of controller 6 have out miscellaneous side pipe 2, and fixedly connected with discharge hopper 5 on the adjacent opposite side of screening box 1 and controller 6, go out miscellaneous side pipe 2 and can discharge the rice husk, and discharge hopper 5 can discharge the rice after filtering.

Wherein, screening box 1 top is located magnetic adsorption shell 3 one side fixedly connected with feeder hopper 7, fixedly connected with articulated seat 16 on the screening box 1 inner wall, is connected with filter screen 15 through the round pin axle rotation on the articulated seat 16, and filter screen 15 slope sets up, and the card is fixed with spring 17 between filter screen 15 and the screening box 1 inner wall.

Through adopting above-mentioned technical scheme, can provide elastic support power for filter screen 15 through spring 17, and then can fall into filter screen 15 after through gravity at the rice, promote filter screen 15 along articulated seat 16 reciprocating rotation, reach the effect of vibration, can provide the screening effect greatly, save in existing structure moreover and adopted vibrating motor to reach the purpose of vibration effect, energy-conserving effectual.

Wherein, screening box 1 bottom is the inclined plane structure, can make things convenient for the discharge of impurity, and screening box 1 inner bottom is located hopper 5 one side fixedly connected with is used for providing spacing and provides the spacing sloping kicking block 18 of bottom direction of direction for the ejection of compact for filter screen 15.

In this embodiment, go out many motor supports of fixedly connected with on the miscellaneous side pipe 2 inner wall, install the absorption fan 20 that is used for going out miscellaneous on the motor support, adsorb the motor action, can be at the inside absorption space that forms a negative pressure of screening box 1, can adsorb the discharge with the rice husk.

The working principle of the utility model is as follows: when the screening device is used again, the controller 6 is connected with an external power supply, the screening device is started through the controller 6, rice is added into the screening box body 1 through the feed hopper 7, after the rice falls onto the filter screen 15, the filter screen 15 is pushed to rotate back and forth on the hinged seat 16 under the elastic supporting effect of the spring 17, the vibration effect is achieved, the screening quality of the rice can be improved, in the screening process, the iron impurities can be adsorbed through the magnet adsorption block 10, after the magnet adsorption block 10 above the filter screen 15 adsorbs the iron impurities, the rotating sleeve 9 can be driven to rotate through the rotating motor 4, the magnet adsorption block 10 can be driven to rotate, the rice is rotated to the upper side of the collecting box body 13, meanwhile, the conductive block 12 at the position is separated from the conductive ring 11, the adsorbed magnetic impurities can automatically fall into the inside of the collecting box body 13, the trouble of controlling the electrifying and cutting off of the electromagnetic adsorption block is omitted, the circuit connection is greatly simplified, the action of the adsorption motor can be realized, the adsorption motor can form an adsorption space of negative pressure inside the screening box body 1, and the rice can be adsorbed and discharged.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (7)

1. Preliminary sieving mechanism of crops, including screening box (1), its characterized in that: the utility model discloses a screening box, including screening box (1), rotary sleeve (3), rotary sleeve (9), electric machine (4), electric machine (13) and scraper blade (14) are fixed in order to be used for screening box (1), screening box (1) top one corner integrated into one piece has magnetic absorption shell (3), fixedly connected with back shaft (8) on magnetic absorption shell (3) inner wall, be connected with rotating electrical machine (4) through the screw connection on magnetic absorption shell (3) one lateral wall, fixedly inlay on back shaft (8) outer disc has two conducting rings (11), rotate on back shaft (8) outer wall and be connected with rotary sleeve (9), follow outer disc direction fixed mounting on rotary sleeve (9) outer wall has four magnet absorption blocks (10), the terminal fixed mounting of four magnet absorption blocks (10) has pass conducting block (12) that rotary sleeve (9) set up, conducting block (12) with conducting ring (11) slip is close, the output shaft of rotary machine (4) pass behind screening box (1) with rotary sleeve (9) passes through the key connection, screening box (1) inside is located magnetic absorption shell (3) below fixedly connected with collects box (13), collect scraper blade (14) top fixedly connected with scraper blade.

2. A preliminary screening device for crops according to claim 1, wherein: screening box (1) top fixedly connected with feeder hopper (7), screening box (1) bottom four corners department fixedly connected with supporting leg, there is controller (6) through the screw connection on a lateral wall of screening box (1).

3. A preliminary screening device for crops according to claim 2, wherein: the screening box body (1) and a foreign matter outlet pipe (2) are integrally formed at the bottom of one side wall adjacent to the controller (6), and a discharging hopper (5) is fixedly connected to the other side adjacent to the controller (6) of the screening box body (1).

4. A preliminary screening device for crops according to claim 3, wherein: screening box (1) top is located magnetism adsorbs shell (3) one side fixedly connected with feeder hopper (7), fixedly connected with articulated seat (16) on screening box (1) inner wall, be connected with filter screen (15) through the round pin axle rotation on articulated seat (16), filter screen (15) slope sets up, just filter screen (15) with clamping is fixed with spring (17) between screening box (1) inner wall.

5. The preliminary screening device for crops as defined in claim 4, wherein: the screening box (1) bottom is the inclined plane structure, screening box (1) interior bottom is located discharge hopper (5) one side fixedly connected with is used for providing spacing and for the bottom direction spacing sloping roof block (18) that the ejection of compact provided the direction for filter screen (15).

6. The preliminary crop screening device of claim 5, wherein: the impurity outlet square tube (2) is characterized in that a plurality of motor supports are fixedly connected to the inner wall of the impurity outlet square tube, and an adsorption fan (20) for impurity outlet is arranged on each motor support.

7. A preliminary screening device for crops according to claim 2, wherein: the conducting ring (11) is electrically connected with the controller (6) through a conducting slip ring, and the conducting ring (11) is located at the collecting box body (13) and is of an opening structure.