CN218691469U

CN218691469U - Grain screening device

Info

Publication number: CN218691469U
Application number: CN202223143184.6U
Authority: CN
Inventors: 范丽; 毕婷婷; 魏可燕; 王文特
Original assignee: Shandong Institute for Food and Drug Control
Current assignee: Shandong Institute for Food and Drug Control
Priority date: 2022-11-25
Filing date: 2022-11-25
Publication date: 2023-03-24
Anticipated expiration: 2032-11-25

Abstract

The utility model discloses a screening plant of grain relates to grain detection technology field, including the screening case, screening roof portion is provided with the feeder hopper, the inside screening subassembly that is provided with of screening case, the screening case back is provided with first discharge gate, screening case one end is provided with the second discharge gate, screening bottom of the case portion is provided with the suction box, suction box one end symmetry is provided with shock dynamo, the inside dust absorption subassembly that is provided with of suction box, suction bottom of the case portion is provided with the dust case, the inside swing joint of dust case has the dust collection box, the utility model provides a traditional grain screening effect is relatively poor, can't select debris completely to and can't carry out the technical problem handled the dust in the screening process of grain.

Description

Grain screening device

Technical Field

The utility model relates to a grain detects technical field, especially relates to a screening plant of grain.

Background

The food is usually composed of carbohydrate, fat, protein or water, can provide nutrition or pleasure substances for human beings or organisms by eating or drinking, and along with the improvement of living standard and health care consciousness of people, how to improve the quality of the food and reduce the residue of harmful substances in the food, the guarantee of the quality and the safety of the food is an important task in the current food production and processing industries, and then a food detection device is required to be used for detecting the food, so that the safety of the food is guaranteed.

Grain can mix some debris inevitable in results, transportation and course of working, so need sieve grain before grain detects to obtain clean grain, current grain sieving mechanism is fairly simple, thereby makes its screening effect poor, can't select debris completely, and simultaneously, the in-process of material loading and unloading does not set up dust processing apparatus, can produce certain dust when material loading and unloading. In view of the above, a screening device for grain is provided to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a screening plant of grain has solved that screening effect is relatively poor at traditional grain, can't select debris completely to and can't carry out the technical problem handled the dust in the screening process of grain.

For solving the technical problem, the utility model provides a pair of screening plant of grain, including the screening case, screening roof portion is provided with the feeder hopper, the inside screening subassembly that is provided with of screening case, the screening case back is provided with first discharge gate, screening case one end is provided with the second discharge gate, screening bottom of the case portion is provided with the suction box, suction box one end symmetry is provided with shock dynamo, the inside dust absorption subassembly that is provided with of suction box, suction bottom of the case portion is provided with the dust case, the inside swing joint of dust case has the dust collection box.

Preferably, all be provided with the mount table everywhere in screening bottom of the case portion four corners, four the mount table bottom all is provided with the bullet ring, four the inside attenuator that all is provided with of bullet ring, four bullet ring bottom is provided with the support frame.

Preferably, the feed hopper bottom is provided with the discharge gate, the feed hopper is inside to communicate with each other through discharge gate and screening incasement portion.

Preferably, the screening assembly is divided into a first screen and a second screen, the first screen is positioned above the second screen, and the diameter of the screen hole in the first screen is larger than that in the second screen.

Preferably, one end of the first screen is provided with an inclined surface, and the first screen is fixedly connected with the first discharge hole through the inclined surface.

Preferably, the screening bottom of the case portion is provided with an opening, the screening incasement portion communicates with each other through opening and dust absorption incasement portion, the dust absorption subassembly divide into humidifier and suction fan, the dust absorption bottom of the case portion is provided with the third discharge gate, the suction fan is installed in third discharge gate department.

Preferably, the interior of the dust collection box is communicated with the interior of the dust box through a third discharge port, a dust groove is formed in the interior of the dust box, sliding grooves are symmetrically formed in the inner wall of the dust groove, sliding parts are symmetrically arranged at two ends of the dust collection box, and the sliding grooves are matched with the sliding parts.

Compared with the prior art, the utility model provides a pair of screening plant of grain has following beneficial effect:

1. the utility model discloses in, grain enters into the screening incasement portion, through two shock dynamo, make grain throw the jump or make linear motion forward in the screening incasement, thereby grain vibrations advance on first screen cloth, come out the big impurity sieve in the grain, meanwhile, after the big impurity sieve in the grain, drop to the second screen cloth after, continue vibrations to advance, through the second screen cloth further with little impurity in the grain and dust sieve out drop to the dust absorption case, grain after the screening is carried out through the second discharge gate, thereby realize that grain filters completely.

2. The utility model discloses in, through humidifier blowout water smoke, separate out from the air after making the little impurity of second sieve mesh screen branch and dust gathering, will inhale with little impurity and dust after the hydrone condenses through the suction fan input port, in the delivery outlet discharge dust collecting box through the suction fan afterwards, can clear up dust collecting box 7 from dust incasement 8 internal slipping to prevent that the dust from endangering the health, and reduced the pollution.

Drawings

FIG. 1 is a schematic view of the overall structure of a grain screening device;

FIG. 2 is a schematic view of the whole internal structure of a grain screening device;

fig. 3 is a top view of a first screen of a grain screening apparatus.

Reference numbers in the figures: 1. a screening box; 2. a second discharge port; 3. a feed hopper; 4. a spring ring; 5. a support frame; 6. a dust collection box; 7. a dust collecting box; 8. a dust box; 9. a vibration motor; 10. a feed inlet; 11. a first screen; 12. a second screen; 13. A humidifier; 14. a suction fan; 15. a first discharge port.

Detailed Description

Embodiments of the present invention are described in detail below.

Example one

The utility model provides a screening plant of grain, by figure 1, figure 2 gives and figure 3 gives, including screening case 1, screening case 1 bottom four corners all is provided with the mount table everywhere, four mount table bottoms all are provided with bullet ring 4, four are played 4 inside dampers that all are provided with of ring, the energy consumption that the attenuator will play ring 4 and exist in energy release and absorption process, for example, the increase of 4 intermolecular internal energy of bullet ring etc., make the amplitude of bullet ring 4 in the vibration process constantly reduce, thereby realize playing 4 amplitudes of ring under the condition of no other external excitations and infinitely approaching zero, four 4 bottoms of bullet ring are provided with support frame 5, thereby prop up overall structure through support frame 5.

Screening case 1 top is provided with

feeder hopper

3, and 3 bottoms of feeder hopper are provided with feed inlet 10, and feed hopper 3 is inside to communicate with each other with screening case 1 inside through feed inlet 10, through pouring grain into feed inlet 10 to make grain enter into screening case 1 inside and sieve.

Screening case 1 is inside to be provided with the screening subassembly, the screening subassembly divide into first screen cloth 11 and second screen cloth 12, first screen cloth 11 is located second screen cloth 12 top, the inside sieve mesh diameter of first screen cloth 11 is greater than the inside sieve mesh diameter of second screen cloth 12, after screening out the big impurity in the grain through first screen cloth 11, drop to second screen cloth 12 on, further sieve out little impurity in the grain and dust through second screen cloth 12, thereby realize that grain sieves completely.

The back of screening case 1 is provided with first discharge gate 15, first discharge gate 15 sets up for the slope, first screen cloth 11 one end is for being provided with the inclined plane, first screen cloth 11 passes through inclined plane and 15 fixed connection of first discharge gate, can be with the leading-in 15 departments of first discharge gate of the big impurity that grain sieved, drop out under the effect of gravity of the earth's center, 1 one end of screening case is provided with second discharge gate 2, second discharge gate 2 sets up in 12 one ends of second screen cloth, thereby the grain after the convenience will be sieved is carried out.

Example two

The utility model provides a screening plant of grain, is given by figure 1 and figure 2, including

screening case

1, 1 tops of screening case are provided with

feeder hopper

3, and 1 inside screening subassemblies that are provided with of screening case, the 1 back of screening case is provided with

first discharge gate

15, and 1 one end of screening case is provided with second discharge gate 2.

The bottom of the screening box 1 is provided with a dust suction box 6, one end of the dust suction box 6 is symmetrically provided with vibrating motors 9, the two vibrating motors 9 synchronously and reversely rotate, exciting forces generated by eccentric blocks in the vibrating motors 9 are mutually offset in the direction parallel to the axes of the motors and are superposed into a resultant force in the direction vertical to the shafts of the motors, so that the vibrating motion track of the vibrating motors 9 is linear motion, the two vibrating motors 9 have an inclination angle in the vertical direction relative to the dust suction box 6, and under the combined action of the exciting forces and the gravity of grains, the grains are thrown up to jump or move forwards in the screening box 1 to perform linear motion, thereby achieving the purpose of screening the grains.

The inside dust absorption subassembly that is provided with of dust collection box 6, screening case 1 bottom is provided with the opening, and screening case 1 is inside to communicate with each other through opening and dust collection box 6 to make the little impurity and the dust of grain screening in second screen cloth 12 drop to inside dust collection box 6.

The dust collection assembly is divided into a humidifier 13 and a suction fan 14, water mist is sprayed out through the humidifier 13, small impurities and dust screened out by grains are directly captured by the water mist when the small impurities and the dust are in contact with the water mist, the coagulability of the small impurities and the dust is increased under the action of water, particles are captured or increased by utilizing the inertial collision and other actions of water drops and the particles, under the two actions, the small impurities and the dust are separated from air, a third discharge hole is formed in the bottom of the dust collection box 6, the suction fan 14 is installed at the third discharge hole, the small impurities and the dust coagulated with water molecules are sucked through an input port of the suction fan 14, and then the small impurities and the dust are discharged through an output port of the suction fan 14, so that the dust collection purpose is achieved.

The bottom of the dust collection box 6 is provided with a dust box 8, the inside swing joint of the dust box 8 has a dust collection box 7, the front of the dust collection box 7 is provided with a handle, thereby being convenient for pulling out, the inside of the dust collection box 6 is communicated with the inside of the dust box 8 through a third discharge port, the inside of the dust box 8 is provided with a dust groove, the inner wall of the dust groove is symmetrically provided with a sliding groove, the two ends of the dust collection box 7 are symmetrically provided with sliding parts, the sliding groove is matched with the sliding parts, the small impurities and the dust which are discharged through an outlet of a suction fan 14 are directly discharged into the dust collection box 7, thereby being convenient for carrying out centralized processing on the impurities and the dust, the dust collection box 7 is then slid out of the dust collection box 8 for cleaning, and the dust collection box 7 is slid into the dust collection box 8 after the cleaning.

The working principle is as follows:

the utility model discloses in the use, operating personnel only need pour grain into feed inlet 10, thereby make grain enter into screening case 1 inside, start two shock dynamo 9 afterwards, make grain jump or make linear motion forward by throwing in screening case 1, thereby grain vibrations advance on first screen cloth 11, come out the back with the big impurity screening in the grain, wherein the inclined plane direction of big impurity on through first screen cloth 11 is to first discharge gate 15 department and falls out, meanwhile, the back is sieved to the big impurity in the grain, it advances to continuous vibrations after dropping to second screen cloth 12 on, through second screen cloth 12 further drop to suction box 6 with little impurity and the dust screening in the grain in, grain after the screening carries out through second discharge gate 2, thereby realize grain complete screening.

Then, the humidifier 13 is started to separate the small impurities and the dust from the air after gathering, the small impurities and the dust after gathering with water molecules are sucked through the input port of the suction fan 14, then the small impurities and the dust are discharged into the dust collection box 7 through the output port of the suction fan 14, then the dust collection box 7 slides out of the dust box 8 to be cleaned, and the dust collection box 7 slides into the dust box 8 after the cleaning is finished.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a screening plant of grain, includes screening case (1), its characterized in that, screening case (1) top is provided with feeder hopper (3), screening case (1) inside is provided with the screening subassembly, screening case (1) back is provided with first discharge gate (15), screening case (1) one end is provided with second discharge gate (2), screening case (1) bottom is provided with dust collection box (6), dust collection box (6) one end symmetry is provided with shock dynamo (9), the inside dust absorption subassembly that is provided with of dust collection box (6), dust collection box (6) bottom is provided with dust collection box (8), dust collection box (8) inside swing joint has dust collection box (7).

2. The grain screening device according to claim 1, characterized in that four mounting platforms are arranged at four corners of the bottom of the screening box (1), elastic rings (4) are arranged at the bottoms of four mounting platforms, dampers are arranged in the four elastic rings (4), and support frames (5) are arranged at the bottoms of the four elastic rings (4).

3. A grain screening device as claimed in claim 1, characterized in that a feed inlet (10) is arranged at the bottom of the feed hopper (3), and the inside of the feed hopper (3) is communicated with the inside of the screening box (1) through the feed inlet (10).

4. A grain screening device according to claim 1, characterized in that the screening assembly is divided into a first screen (11) and a second screen (12), the first screen (11) being located above the second screen (12).

5. A grain screening device according to claim 4, characterized in that one end of the first screen (11) is provided with an inclined surface, and the first screen (11) is fixedly connected with the first discharge hole (15) through the inclined surface.

6. The grain screening device according to claim 1, characterized in that an opening is formed in the bottom of the screening box (1), the interior of the screening box (1) is communicated with the interior of the dust suction box (6) through the opening, the dust suction assembly is divided into a humidifier (13) and a suction fan (14), a third discharge hole is formed in the bottom of the dust suction box (6), and the suction fan (14) is installed at the third discharge hole.

7. The grain screening device according to claim 1, wherein the interior of the dust collection box (6) is communicated with the interior of the dust box (8) through a third discharge hole, the interior of the dust box (8) is provided with a dust groove, the inner wall of the dust groove is symmetrically provided with sliding grooves, two ends of the dust collection box (7) are symmetrically provided with sliding pieces, and the sliding grooves are matched with the sliding pieces.