Multi-stage grain winnowing device

Abstract

The utility model relates to the field of grain processing equipment, and discloses a multistage grain winnowing device which comprises a machine body, and a plurality of layers of vibration screening mechanisms are arranged in the machine body. The multi-layer vibration screening mechanism comprises a first filter plate, a two-way motor and a second filter plate, a top plate is fixedly connected to the bottom wall of the top of the machine body, a supporting plate is fixedly connected to the right side of the top of the first filter plate, and the bottom wall of the two-way motor is fixedly connected to the upper side wall of the supporting plate. The multi-layer vibration screening mechanism is arranged, so that the problems that more particles are accumulated, other areas are possibly relatively empty, the uniformity and consistency of the sorting effect are influenced, and the maintenance time and cost are increased can be solved, the eccentric wheel is driven by the connecting shaft at the output end of the bidirectional motor to rotate, and the vibration screening effect is improved. Therefore, the efficiency, the stability and the reliability of the equipment are effectively improved, and grain screening is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of grain processing equipment, especially to a multi-stage grain air selection device. BACKGROUND

[0002] With the rapid development of agriculture, more and more agricultural machinery is put into life production, and the grain air selection device is an agricultural machinery that selects light and heavy materials with different densities according to the principle of aerodynamics; it plays a huge role in agricultural production and relieves the labor pressure of people.

[0003] In the traditional grain air selection device, most of the grain sorting may cause the particles on the screen to be blocked, especially under the action of high-speed wind, the particles may accumulate on the screen, hinder the ventilation and sorting process, cause more particles to accumulate, and other areas may be relatively empty, thereby affecting the uniformity and consistency of the sorting effect, increasing the maintenance time and cost, when the grain or particles enter the air selection device, a certain amount of dust may be carried, which may spread to the surrounding environment with the feed, causing environmental pollution, causing the blockage or dust accumulation of the equipment parts, affecting the normal operation of the equipment, reducing the sorting efficiency, and increasing the frequency and cost of equipment maintenance. UTILITY MODEL CONTENT

[0004] The main purpose of the utility model is to provide a multi-stage grain air selection device, which can effectively solve the problem of causing more particles to accumulate, other areas may be relatively empty, thereby affecting the uniformity and consistency of the sorting effect, increasing the maintenance time and cost, and causing the blockage or dust accumulation of the equipment parts, affecting the normal operation of the equipment, reducing the sorting efficiency, and increasing the frequency and cost of equipment maintenance.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a multi-stage grain air selection device, comprising a machine body, a plurality of vibration screening mechanisms are arranged in the machine body;

[0006] The multi-layer vibration screening mechanism comprises a first filter plate, a bidirectional motor and a second filter plate, a top plate is fixedly connected to the top bottom wall of the machine body, a support plate is fixedly connected to the top right side of the first filter plate, the bottom wall of the bidirectional motor is fixedly connected to the upper side wall of the support plate, a connecting shaft is fixedly connected to the front and rear output ends of the bidirectional motor, an eccentric wheel is fixedly connected to the other end of the two connecting shafts, a connecting rod is fixedly connected to the other end of the two eccentric wheels, a semicircular fixed block is fixedly connected to the left side wall of the second filter plate, a connecting column is fixedly connected to the left side of the two connecting rods, the front and rear ends of the outer side of the connecting column are rotatably connected to the inside of the semicircular fixed block, a first flow guide plate is fixedly connected to the right side of the first filter plate and the second filter plate, a first connecting block is fixedly connected to the front and rear side walls of the first filter plate and the second filter plate, a first spring sheet is fixedly connected to the left side wall of the eight first connecting blocks, a second connecting block is fixedly connected to the front and rear side walls of the first filter plate and the top plate, and a second spring sheet is fixedly connected to the left side wall of the eight second connecting blocks.

[0007] Further, the top of the machine body is fixedly connected with a feeding box, the inside hole groove of the feeding box is fixedly connected with a conveying pipeline, the bottom of the conveying pipeline is fixedly connected with an adapter pipe, and the other end of the adapter pipe is fixedly connected with a dust collection box.

[0008] Further, the outside of the dust collection box is fixedly connected to the inside of the feeding box, the top of the dust collection box is fixedly connected with a second flow guide plate, the top of the second flow guide plate is fixedly connected with an engaging block, and the top of the engaging block is arranged at the bottom of the conveying pipeline.

[0009] Further, the rear side wall of the conveying pipeline is connected with a connecting pipe, the rear side wall of the feeding box is provided with a first fan, the other end of the connecting pipe is connected with the input end of the first fan in communication, the bottom of the first fan is threadedly connected with a fixed plate, and the front wall of the fixed plate is fixedly connected to the rear side wall of the feeding box.

[0010] Further, the left side wall of the machine body is fixedly connected with a protection box, the inside of the protection box is fixedly connected with a second fan, the left side wall hole groove of the machine body is provided with a shunt plate, and the front side wall of the machine body is fixedly connected with a control panel.

[0011] Further, the inside bottom wall of the machine body is fixedly connected with a collecting box, the right side wall of the collecting box is fixedly connected with a first discharge port, the first discharge port is arranged at the bottom of the two first flow guide plates, and the bottom of the collecting box and the bottom wall of the machine body are connected with a second discharge port in penetration.

[0012] Compared with the prior art, the multi-layer vibration screening mechanism has the following beneficial effects:

[0013] 1. The utility model discloses a multilayer vibration screening mechanism is set up, can solve the problem of causing more particles to accumulate, and other areas can be relatively empty, thereby affecting the uniformity and consistency of the separation effect, increase the maintenance time and cost problem, the connecting shaft on the output end of bidirectional motor drives eccentric wheel to rotate, and the rotating eccentric wheel drives the connecting rod to rotate, and then the connecting rod is connected with the connecting column, to drive the connecting column to rotate in the semicircular fixed block on the left side wall of second filter plate, to reach the effect of driving second filter plate to vibrate, and then the first connecting block on the front and back walls of second filter plate and first filter plate is fixed and supported to the first spring piece, to drive first filter plate to vibrate, thereby reaching the effect of multilayer filtration, to filter different size particles and grain, and then the second connecting block on the top side of first filter plate and top plate is used to fix and support second spring piece and keep pressure and transmit power, to reach the effect of fixing top plate on the top bottom wall of machine body to fix the whole device, when filtering, grain falls into second filter plate through first filter plate and is filtered again, to separate fine particles and impurities such as stones, and the frequency of vibration drives impurities to be discharged from the first baffle on the right side of first filter plate and second filter plate, and grain falls into the collecting box after filtering, thereby effectively improving the efficiency, stability and reliability of equipment, and improving the screening of grain.

[0014] 2. The utility model discloses a conveying pipeline, adapter pipe, dust collection box and second baffle are set up, can solve the problem of causing the blockage or dust accumulation of equipment parts, can influence the normal operation of equipment, reduce the separation efficiency, and increase the frequency and cost of equipment maintenance, when grain is poured into the feeding box, the dust and smoke generated when grain is poured are sucked by the dust collection box through the first fan, and after being sucked, the dust and smoke are discharged into the conveying pipeline through the adapter pipe on the rear side, the dust and smoke are sucked into the first fan through the connecting pipe on the rear side wall of conveying pipeline, and then the dust and smoke are discharged through the output end of first fan, when being sucked by the dust collection box, the smaller and lighter impurities in grain are sucked, to further treat grain, the second baffle on the top of dust collection box prevents grain from entering the inside of dust collection box when pouring grain, to cause blockage, thereby effectively reducing the diffusion and accumulation of dust, keeping the normal operation of equipment, and improving the safety and hygiene level of working environment.

[0015] The parts not involved in the device are the same as or can be realized by the prior art. ACCURACY OF DRAWINGS

[0016] Figure 1 A multistage grain air separation device is provided.

[0017] Figure 2 A multi-stage grain air selection device body sectional view structure is provided for the utility model;

[0018] Figure 3 A multi-layer vibration screening mechanism schematic diagram of a multi-stage grain air selection device is provided for the utility model;

[0019] Figure 4 A multi-layer vibration screening mechanism rear schematic diagram of a multi-stage grain air selection device is provided for the utility model;

[0020] Figure 5 A multi-stage grain air selection device inlet box internal structure diagram is provided for the utility model;

[0021] Figure 6 A multi-stage grain air selection device adapter pipe structure diagram is provided for the utility model;

[0022] Figure 7 A multi-stage grain air selection device second flow guide plate structure diagram is provided for the utility model;

[0023] Figure 8 A multi-stage grain air selection device collection box sectional view structure is provided for the utility model.

[0024] Legend:

[0025] 1, machine body; 2, multi-layer vibration screening mechanism; 201, first filter plate; 202, support plate; 203, bidirectional motor; 204, first flow guide plate; 205, connecting shaft; 206, eccentric wheel; 207, connecting rod; 208, connecting column; 209, second filter plate; 210, semicircular fixed block; 211, first connecting block; 212, first spring piece; 213, top plate; 214, second connecting block; 215, second spring piece; 3, inlet box; 4, conveying pipeline; 5, adapter pipe; 6, dust collection box; 7, second flow guide plate; 8, joint block; 9, connecting pipe; 10, first fan; 11, fixed plate; 12, protection box; 13, second fan; 14, shunt plate; 15, collection box; 16, first discharge port; 17, second discharge port; 18, control panel. DETAILED DESCRIPTION

[0026] In order to make the technical means, creative features, purposes and effects realized by the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0027] As Figure 1 - Figure 4 shown: a multi-stage grain air selection device, comprising a machine body 1, the inside of the machine body 1 is provided with a multi-layer vibration screening mechanism 2;

[0028] The multi-layer vibration screening mechanism 2 comprises a first filter plate 201, a bidirectional motor 203 and a second filter plate 209, a top plate 213 is fixedly connected to the top bottom wall of the machine body 1, the top plate 213 is fixed on the top wall bottom wall of the machine body 1, the device at the bottom is supported, the first filter plate 201 and the second filter plate 209 can effectively vibrate and screen, the top right side of the first filter plate 201 is fixedly connected with a support plate 202, the bottom wall of the bidirectional motor 203 is fixedly connected to the upper side wall of the support plate 202, the support plate 202 on the right side of the first filter plate 201 is used for fixing and supporting the bidirectional motor 203, the front and rear output ends of the bidirectional motor 203 are fixedly connected with connecting shafts 205, the other ends of the two connecting shafts 205 are fixedly connected with eccentric wheels 206, the connecting shafts 205 on the output ends of the bidirectional motor 203 drive the eccentric wheels 206 to rotate, when the eccentric wheels 206 rotate, centrifugal force is generated to drive other components connected thereto to move or act, the other ends of the two eccentric wheels 206 are fixedly connected with connecting rods 207, the connecting rods 207 are driven to rotate by the rotating eccentric wheels 206, the left side walls of the second filter plates 209 are fixedly connected with semicircular fixed blocks 210, the internal parts are supported by the semicircular fixed blocks 210, so that the second filter plates 209 are driven to vibrate, the left sides of the two connecting rods 207 are fixedly connected with connecting columns 208, the front and rear ends of the connecting columns 208 are rotatably connected to the interiors of the semicircular fixed blocks 210, the connecting columns 208 on the other ends of the connecting rods 207 are arranged in the interiors of the semicircular fixed blocks 210, so that the rotating connecting rods 207 change the motion track, the connecting columns 208 are driven to vibrate up and down, the second filter plates 209 are driven to vibrate, the right sides of the first filter plate 201 and the second filter plate 209 are fixedly connected with first flow guides 204, the first flow guides 204 are used for guiding the large particles and impurities filtered by the first filter plate 201 to the first discharge port 16, in addition, the grains filtered by the first filter plate 201 fall onto the second filter plate 209 and are filtered again, so that the small particles and impurities remaining in the grains are filtered out, and then the impurities are discharged to the first discharge port 16 through the first flow guides 204, the front and rear side walls of the first filter plate 201 and the second filter plate 209 are fixedly connected with first connecting blocks 211, the left side walls of the eight first connecting blocks 211 are fixedly connected with first spring plates 212, the first connecting blocks 211 on the front and rear side walls of the first filter plate 201 and the second filter plate 209 are connected with the first spring plates 212, so that the first spring plates 212 are fixed, and when the second filter plate 209 is driven to vibrate by the bidirectional motor 203, the first filter plate 201 is driven to vibrate by the first spring plates 212, so that the first filter plate 201 and the second filter plate 209 are synchronously operated,The front and rear sidewalls of the first filter plate 201 and the top plate 213 are fixedly connected with the second connecting blocks 214, the left sidewall of the eight second connecting blocks 214 is fixedly connected with the second spring plates 215, the second spring plates 215 are connected through the second connecting blocks 214 on the first filter plate 201 and the top plate 213, the first filter plate 201 at the bottom can be better vibrated and sieved, and the first filter plate 201 can be supported, and the vibration frequency is improved.

[0029] As shown in Figure 1 - Figure 7 The top of the machine body 1 is fixedly connected with the feeding box 3, the inner hole groove of the feeding box 3 is fixedly connected with the conveying pipeline 4, the dust and smoke sucked in are collected and transmitted through the conveying pipeline 4, the bottom of the conveying pipeline 4 is fixedly connected with the adapter pipe 5, the other end of the adapter pipe 5 is fixedly connected with the dust collection box 6, the dust and smoke generated after the grain is poured into the feeding box 3 are sucked through the dust collection box 6, and the transmission is transmitted into the conveying pipeline 4 through the adapter pipe 5 at the back, the dust collection box 6 is fixedly connected to the inside of the feeding box 3, the top of the dust collection box 6 is fixedly connected with the second flow guide plate 7, the poured grain is guided through the second flow guide plate 7, to prevent the grain from entering the inside of the dust collection box 6, the top of the second flow guide plate 7 is fixedly connected with the engaging block 8, the engaging block 8 is blocked to prevent the grain from falling into the device, and the top of the engaging block 8 is arranged at the bottom of the conveying pipeline 4.

[0030] As shown in Figure 1 - Figure 7 The rear sidewall of the conveying pipeline 4 is connected with the connecting pipe 9, the rear sidewall of the feeding box 3 is provided with the first fan 10, the other end of the connecting pipe 9 is connected with the input end of the first fan 10, the dust and smoke in the conveying pipeline 4 are sucked through the connecting pipe 9 on the input end of the first fan 10, and the dust and smoke are discharged through the output end of the first fan 10, the bottom of the first fan 10 is threadedly connected with the fixed plate 11, the front wall of the fixed plate 11 is fixedly connected to the rear sidewall of the feeding box 3, and the first fan 10 is supported and fixed at the bottom through the fixed plate 11 at the rear of the feeding box 3.

[0031] As shown in Figure 1 - Figure 2As shown, the left wall of the body 1 is fixedly connected with a protection box 12, the inside of the protection box 12 is fixedly connected with a second fan 13, the protection box 12 is arranged to protect the second fan 13 externally, the left wall hole groove of the body 1 is provided with a shunt plate 14, the shunt plate 14 is arranged to divide the wind blown by the second fan 13 into two, and the first filter plate 201 and the second filter plate 209 are respectively selected by the wind, and the impurities are blown to the first discharge port 16, the front wall of the body 1 is fixedly connected with a control panel 18, the control panel 18 is arranged to be connected with the external power supply, and the first fan 10, the first filter plate 201 and the second fan 13 are powered.

[0032] As shown in the drawings, Figure 1 - Figure 8 As shown, the inside bottom wall of the body 1 is fixedly connected with a collecting box 15, the collecting box 15 is arranged to collect the filtered grain, the right side wall of the collecting box 15 is fixedly connected with a first discharge port 16, the first discharge port 16 is arranged at the bottom of the two first guide plates 204, the impurities and particulate matter are collected through the first discharge port 16, and the impurities and particulate matter are conveniently discharged outside the machine, the bottom of the collecting box 15 and the bottom wall of the body 1 are throughly connected with a second discharge port 17, and the collected grain is discharged through the second discharge port 17.

[0033] It should be noted that the utility model is a kind of multi-stage grain winnowing device, first, control panel 18 is connected with the external power supply, and the first fan 10, the first filter plate 201 and the second fan 13 are powered

[0034] After the grain is poured into the feeding box 3, the dust and smoke generated when the grain is poured are sucked by the dust collection box 6 through the first fan 10, and after being sucked, the dust and smoke are discharged into the conveying pipeline 4 through the rear adapter pipe 5, and are sucked into the first fan 10 through the connecting pipe 9 on the rear wall of the conveying pipeline 4, and are discharged through the output end of the first fan 10, when being sucked by the dust collection box 6, the smaller and lighter impurities in the grain are sucked to further process the grain, and the second guide plate 7 on the top of the dust collection box 6 prevents the grain from entering the inside of the dust collection box 6 when pouring the grain, so that blockage occurs.

[0035] The rear will fall into the first filter plate 201 in the body 1, through the connecting shaft 205 on the output end of the double-way motor 203 of the right side wall of the first filter plate 201 to drive the eccentric wheel 206 to rotate, the rotating eccentric wheel 206 drives the connecting rod 207 to be connected with the connecting column 208, and drives the connecting column 208 to rotate, and the connecting column 208 is arranged in the inside of the semicircular fixed block 210 on the left side wall of the second filter plate 209 when rotating, to change the motion track, achieve the vibration effect, drive the second filter plate 209 to vibrate, and when vibrating, the first filter plate 201 is connected with the first spring piece 212 through the first connecting block 211 on the front and back of the second filter plate 209, to drive the first filter plate 201 to vibrate.

[0036] The grain is preliminarily filtered through the vibrating first filter plate 201, to separate the larger particles and impurities, and the separated grain falls onto the second filter plate 209 to be filtered again, to filter out the smaller particles and impurities remaining therein, and meanwhile the filtered device is blown onto the first guide plate 204 by the second fan 13, flows into the first discharge port 16 to be discharged, and the wind blown by the second fan 13 is separated into two paths by the shunt plate 14, to blow the impurities on the first filter plate 201 and the second filter plate 209.

[0037] The filtered grain falls into the collecting box 15 to be collected, and when reaching a certain weight, the grain is discharged through the second discharge port 17.

[0038] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. It should be understood by those skilled in the art that the utility model is not limited by the above examples, and the above examples and the description in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The protection scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A multi-stage grain air-ascertaining device comprising a machine body (1), characterized in that: The inside of the machine body (1) is provided with a multi-layer vibration screening mechanism (2); The multi-layer vibration screening mechanism (2) comprises: a first filter plate (201), a bidirectional motor (203) and a second filter plate (209), the top bottom wall of the machine body (1) is fixedly connected with a top plate (213), the top right side of the first filter plate (201) is fixedly connected with a support plate (202), the bottom wall of the bidirectional motor (203) is fixedly connected to the upper side wall of the support plate (202), both the front and rear output ends of the bidirectional motor (203) are fixedly connected with connecting shafts (205), the other ends of the two connecting shafts (205) are fixedly connected with eccentric wheels (206), the other ends of the two eccentric wheels (206) are fixedly connected with connecting rods (207), the left side walls of the second filter plate (209) are fixedly connected with semicircular fixed blocks (210), the left sides of the two connecting rods (207) are fixedly connected with connecting columns (208), the front and rear two ends of the outer sides of the connecting columns (208) are rotatably connected in the interiors of the semicircular fixed blocks (210), the right sides of the first filter plate (201) and the second filter plate (209) are fixedly connected with first guide plates (204), the front and rear side walls of the first filter plate (201) and the second filter plate (209) are fixedly connected with first connecting blocks (211), the left side walls of the eight first connecting blocks (211) are fixedly connected with first spring plates (212), the front and rear side walls of the first filter plate (201) and the top plate (213) are fixedly connected with second connecting blocks (214), the left side walls of the eight second connecting blocks (214) are fixedly connected with second spring plates (215).

2. A multi-stage grain air-ascertaining device according to claim 1, characterized in that The top of the machine body (1) is fixedly connected with a feeding box (3), the inside hole groove of the feeding box (3) is fixedly connected with a conveying pipeline (4), the bottoms of the conveying pipeline (4) are fixedly connected with adapter pipes (5), the other ends of the adapter pipes (5) are fixedly connected with dust collection boxes (6).

3. A multi-stage grain air aspirator according to claim 2, wherein: The outer side of the dust collection box (6) is fixedly connected in the interior of the feeding box (3), the top of the dust collection box (6) is fixedly connected with a second guide plate (7), the top of the second guide plate (7) is fixedly connected with an engaging block (8), and the top of the engaging block (8) is arranged at the bottom of the conveying pipeline (4).

4. A multi-stage grain air aspirator according to claim 3 wherein: The rear side wall of the conveying pipeline (4) is connected with a connecting pipe (9), the rear side wall of the feeding box (3) is provided with a first fan (10), the other end of the connecting pipe (9) is connected with the input end of the first fan (10), and the bottom of the first fan (10) is threadedly connected with a fixed plate (11), and the front wall of the fixed plate (11) is fixedly connected with the rear side wall of the feeding box (3).

5. A multi-stage grain air aspirator according to claim 1 wherein: The left side wall of the machine body (1) is fixedly connected with a protection box (12), the interior of the protection box (12) is fixedly connected with a second fan (13), the left side wall hole groove of the machine body (1) is provided with a shunt plate (14), and the front side wall of the machine body (1) is fixedly connected with a control panel (18).

6. A multi-stage grain air aspirator according to claim 1 wherein: The inside bottom wall of the machine body (1) is fixedly connected with a collecting box (15), the right side wall of the collecting box (15) is fixedly connected with a first discharge port (16), the first discharge port (16) is arranged at the bottom of two first flow guides (204), and the bottom of the collecting box (15) and the bottom wall of the machine body (1) are throughly connected with a second discharge port (17).

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