CN214132792U

CN214132792U - Combined type grain cleaning and impurity screening device

Info

Publication number: CN214132792U
Application number: CN202022844578.9U
Authority: CN
Inventors: 闵飞龙
Original assignee: Yutai Fengyuan Grain Machinery Manufacturing Co ltd
Current assignee: Yutai Fengyuan Grain Machinery Manufacturing Co ltd
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-09-07
Anticipated expiration: 2030-11-30

Abstract

The utility model provides a modular miscellaneous device of grain clearance sieve, relates to the agricultural machine field, including the sieve case, top one side fixed mounting of sieve case has the feed inlet, and slidable mounting has the finite flitch on the feed inlet, the below of feed inlet is equipped with the guide board with sieve incasement wall one side top fixed connection, the end of guide board is equipped with a sieve section of thick bamboo, the sieve section of thick bamboo is kept away from the one end fixedly connected with of guide board and is rotated the fixed plate of being connected with the sieve case, the blown down tank has been seted up on the fixed plate, the below of sieve section of thick bamboo is equipped with two sets of boards of piling up. The device is through the limit flitch, guide board, a sieve section of thick bamboo, fixed plate, motor, pile up board, waste material guide board, under the mutually supporting of dump bin, the grain that will get into the sieve case carries out the screening for the first time on a sieve section of thick bamboo, and the speed that the steerable grain of limit flitch that sets up before grain gets into can play the cushioning effect, prevents that grain from directly leading-in a sieve section of thick bamboo, causes the destruction to the screen cloth in a sieve section of thick bamboo.

Description

Combined type grain cleaning and impurity screening device

Technical Field

The utility model relates to the field of agricultural machinery, specifically a modular miscellaneous device of grain clearance sieve.

Background

With the continuous development and technical progress of grain and grain storage industry, higher requirements are put forward on the cleaning quality and the unit time treatment capacity of grain, the grain needs to be subjected to impurity removal before being stored in a warehouse, impurities such as leaves, bran shells and dust in the grain are removed, the cleanliness of the grain is improved, the quality of the grain is improved, the grain is convenient to store, the grain is prevented from deteriorating due to the impurities, and the quality guarantee period of the grain is ensured.

In order to carry out miscellaneous processing of sieve to grain by the efficient, chinese utility model CN209968870U discloses a novel combination formula grain clearance sieve, the device uses the cross plate to lead to the screening box with grain, use first screen cloth and second screen cloth to filter grain, rock through the cam and make grain drop, the realization is to the screening of grain, however, the device is when using, the debris discharge or the centralized processing after the screening that can not be timely, lead to the jam of screen cloth, waste time and energy when overhauing, make the screening speed reduce, the device does not have fine dust to producing in the grain screening simultaneously and handles, when this can make the grain screening, the operational environment dust around the sieve case is more, it is great to operator's health injury.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a modular miscellaneous device of grain clearance sieve to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a combined type grain cleaning and impurity screening device comprises a screen box, wherein a feed inlet is fixedly arranged on one side of the top of the screen box, a material limiting plate is slidably arranged on the feed inlet, a guide plate fixedly connected with the top of one side of the inner wall of the screen box is arranged below the feed inlet, a screen cylinder is arranged at the tail end of the guide plate, one end, away from the guide plate, of the screen cylinder is fixedly connected with a fixed plate rotatably connected with the screen box, a discharge chute is formed in the fixed plate, two groups of stacking plates are arranged below the screen cylinder, a fixed rod fixedly connected with the screen box is arranged below the stacking plates, a scraper is fixedly sleeved on the fixed rod, the tops of the two sides of the scraper are fixedly connected with the stacking plates, a plurality of groups of blanking pipes are fixedly connected with the two sides of the scraper, the blanking pipes penetrate through the stacking plates, a screening and collecting device movably connected with the screen box is arranged below the scraper, and a second rotating shaft rotatably connected with the screen box is arranged on one side of the screening and collecting device, the waste material screening and collecting device comprises a cam, a screening and collecting device, a first rotating shaft, a waste material box, a waste material guide plate, a gas purifying box, an air pump, a first air exhaust pipe, a second air exhaust pipe, a waste material guide plate, a stacking plate, a gas purifying box, a waste material collecting device, a waste material purifying box and a screen box, wherein the cam is fixedly sleeved on the second rotating shaft, one side of the cam, far away from the second rotating shaft, is welded with the first rotating shaft, is rotatably connected with the first rotating shaft, the other side of the first rotating shaft is rotatably connected with the second rotating shaft, one side of the second rotating shaft, far away from the first rotating shaft, is movably connected with the screening and collecting device, one side of the screen box is fixedly connected with the waste material box, one side of the fixed plate, far away from the screen cylinder is provided with the waste material groove communicated with the waste material box, the waste material guide plate is fixedly connected with the inside of the waste material guide plate, the stacking plate is fixedly connected with the stacking plate, the left side of the screen box is welded with the gas purifying box, the gas exhaust pipe is fixedly connected with the air pump, the gas exhaust pipe and the gas exhaust pipe are respectively fixedly connected with the gas exhaust pipe and the gas exhaust pipe respectively, the gas outlet pipe is communicated with the gas purification box.

Further, screening collection device includes the collecting box, the both sides fixedly connected with mounting panel of collecting box, fixedly connected with screen cloth between the bottom of two sets of mounting panels, one side welding that the screen cloth was kept away from to the mounting panel has the slider, the top both sides of screen cloth are equipped with and have the baffle with the mounting panel welding, the below of baffle be equipped with collecting box fixed connection's two sets of connecting seats, fixedly connected with hinge bar between two sets of connecting seats, the hinge bar rotates with the second transfer line to be connected.

Furthermore, slide rails are arranged on the front surface and the back surface of the inner wall of the screen box and are connected with the slide blocks in a sliding mode, and the scraper is in contact with the screen.

Furthermore, the inner top of the sieve box is fixedly connected with a second exhaust pipe, and the second exhaust pipe penetrates through the top of the sieve box and is communicated with the first exhaust pipe.

As a further aspect of the present invention: the bottom fixedly connected with discharging pipe of sieve case, sieve a section of thick bamboo and the equal slope design of guide board, and the bottom of guide board stretches into inside a sieve section of thick bamboo, sieve bottom of the case portion four corners all welds there is the supporting leg.

Further, the top fixed mounting of dump bin has the motor, the drive end and the fixed plate welding of motor, at the back fixedly connected with driving motor of sieve case, and driving motor's output shaft and second pivot fixed connection.

The utility model has the advantages that: the device is characterized in that grains entering a screen box are screened for the first time on the screen cylinder through the mutual matching action of a material limiting plate, a guide plate, a screen cylinder, a fixed plate, a motor, a stacking plate, a waste material guide plate and a waste material box, the grain limiting plate arranged on a feed inlet can control the grain entering speed, the guide plate can play a role in buffering, the grains are prevented from being directly guided into the screen cylinder and damaging a screen mesh in the screen cylinder, the screened waste materials enter the waste material box along the waste material guide plate through a discharge chute, the waste materials are treated in a unified way, drum-type screening is adopted, and large particles such as straws are prevented from depending on the screen cylinder, so that screen meshes are blocked, and the screening speed is influenced; afterwards through the cam, first transmission shaft, the second transmission shaft, screening collection device, the scraper blade, the air exhauster, gaseous purifying box, first exhaust tube, the second exhaust tube, mutually supporting of outlet duct is used, the cam carries out the secondary through first transmission shaft and second transmission shaft area screening collection device and sieves miscellaneous to grain on the pile-up plate, detach less grass seed and soil block in the grain, make grain cleaner, be convenient for save and edible, the air exhauster is with first exhaust tube and second exhaust tube to sieve incasement portion dust removal processing of bleeding, pass through the leading-in gaseous purifying box inside of outlet duct with the dust of sieve incasement portion, carry out purification treatment to gas, ensure the clean of operation environment around the sieve case, avoid the dust to spill over and cause the injury to operating personnel's health on every side.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a partial side view of the present invention.

Fig. 3 is a top view of the screen collection device.

Wherein: 1-screen box, 2-feed inlet, 3-material limiting plate, 4-guide plate, 5-first air extraction pipe, 6-air extractor, 7-air outlet pipe, 8-gas purification box, 9-first rotating shaft, 10-cam, 11-first transmission rod, 12-second transmission rod, 13-second rotating shaft, 14-screening and collecting device, 15-scraper, 16-fixed rod, 17-stacking plate, 18-waste guide plate, 19-waste box, 20-motor, 21-screen drum, 22-second air extraction pipe, 23-connecting seat, 24-slide block, 25-mounting plate, 26-baffle, 27-screen and 28-collecting box.

Detailed Description

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Example one

Referring to fig. 1-3, a combined type grain cleaning and impurity screening device comprises a screen box 1, a feed inlet 2 is fixedly installed on one side of the top of the screen box 1, a material limiting plate 3 is slidably installed on the feed inlet 2, a guide plate 4 fixedly connected with the top of one side of the inner wall of the screen box 1 is arranged below the feed inlet 2, a screen cylinder 21 is arranged at the tail end of the guide plate 4, the screen cylinder 21 and the guide plate 4 are both designed in an inclined manner, the bottom of the guide plate 4 extends into the screen cylinder 21, a fixed plate rotatably connected with the screen box 1 is fixedly connected to one end of the screen cylinder 21 far away from the guide plate 4, a discharge chute is formed in the fixed plate, two groups of stacking plates 17 are arranged below the screen cylinder 21, and a screening and collecting device 14 movably connected with the inside of the screen box 1 is provided with a collecting box 28, and mounting plates 25 are fixedly connected to two sides of the collecting box 28, fixedly connected with screen cloth 27 between the bottom of two sets of mounting panels 25, the welding of one side that screen cloth 27 was kept away from to mounting panel 25 has slider 24, the top both sides of screen cloth 27 are equipped with and have baffle 26 with mounting panel 25 welding, the below of baffle 26 is equipped with two sets of connecting seats 23 with collecting box 28 fixed connection, fixedly connected with hinge rod between two sets of connecting seats 23, hinge rod and second transfer line 12 rotate and are connected, be equipped with the second pivot 13 of being connected with sieve case 1 rotation in one side of screening collection device 14, be connected with driving motor at the back fixed connection of sieve case 1, and driving motor's output shaft and second pivot 13 fixed connection, fixedly cup jointed cam 10 on second pivot 13, the welding of one side that second pivot 13 was kept away from to cam 10 has first pivot 9, first transfer line 11 of rotating connection on first pivot 9, the opposite side of first transfer line 11 rotates and is connected with second transfer line 12, and one side of the second transmission rod 12 far away from the first transmission rod 11 is movably connected with the screening and collecting device 14, one side of the screen box 1 is fixedly connected with a waste box 19, the top of the waste box 19 is fixedly provided with a motor 20, the driving end of the motor 20 is welded with a fixed plate, one side of the fixed plate far away from the screen cylinder 21 is provided with a blanking chute communicated with the waste box 19, a waste guide plate 18 is fixedly connected inside the blanking chute, the other end of the waste guide plate 18 is fixedly connected with a stacking plate 17, the left side of the screen box 1 is welded with a gas purification box 8, the top of the gas purification box 8 is fixedly connected with an air pump 6, the air inlet end and the air outlet end of the air pump 6 are respectively fixedly connected with a first air pumping pipe 5 and an air outlet pipe 7, the first air pumping pipe 5 is communicated with the screen box 1, the air outlet pipe 7 is communicated with the gas purification box 8, the inner top of the screen box 1 is fixedly connected with a second air pumping pipe 22, and second exhaust tube 22 runs through the top of sieve case 1 and is linked together with first exhaust tube 5, the bottom fixedly connected with discharging pipe of sieve case 1, sieve case 1 bottom four corners all has welded the supporting leg.

The utility model discloses a theory of operation: when the device is used, the grain to be processed is placed into the feed inlet 2, the blanking speed of the grain in the feed inlet 2 is controlled by controlling the opening and closing size of the material limiting plate 3, manual control is realized, the dropped grain can fall onto the guide plate 4 and enter the screen drum 21 to prevent the grain from directly falling into the screen drum 21 to damage the screen drum 21, the motor 20 is started, the motor 20 can drive the fixed plate to rotate, the screen drum 21 can be rotated by the rotation of the fixed plate, the grain is further screened, after screening, the grain can fall onto the accumulation plate 17 at the bottom, the grains doped with larger straws and other particles can roll onto the fixed plate, the screen drum 21 is discharged from the discharge chute, the grains fall into the waste bin 19 under the guide effect of the waste guide plate 18, the waste materials are treated uniformly, drum-type screening is adopted, the straws are prevented from being attached to the screen drum 21, and screen holes are blocked, affecting the screening rate.

Then the grain dropped on the accumulation plate 17 drops on the screen 27 from the blanking pipe, the driving motor is started, the driving motor drives the second rotating shaft 13 to rotate, the rotation of the second rotating shaft 13 drives the cam 10 to rotate, the cam 10 rotates to pull the first transmission rod 11 to move left, the first transmission rod 11 drives the second transmission rod 12 to move left, so that the second transmission rod 12 drives the screening and collecting device 14 to move left, the cam 10 continues to rotate, the first transmission rod 11 and the second transmission rod 12 can move right, so that the screening and collecting device 14 is driven to move right, the reciprocating motion of the screening and collecting device 14 is realized, the grain on the screen 27 is screened, smaller stones, grass seeds and the like in the grain can drop from the screen 27 into the collecting box 28 for centralized collection, the secondary screening of the grain is realized, and the grain is cleaner, is convenient for storage and eating.

In the above-mentioned operation, start air extractor 6 simultaneously, first exhaust tube 5 and second exhaust tube 22 will scatter and take out the air extractor 6 in the dust of sieve case 1 inside, air extractor 6 transports the dust again in outlet duct 7, carry out purification treatment to the dust in the leading-in gas purification case 8 of outlet duct 7 again, prevent that the dust from overflowing from sieve case 1, make the dust float around sieve case 1, influence the fresh of the environment around sieve case 1, cause great injury to the operator's health, ensure that operating environment's is clean and tidy.

Example two

On the basis of the embodiment 1, when the grain on the accumulation plate 17 falls onto the screen mesh 27, if the grain screened on the screen mesh 27 is not timely moved out of the screen mesh 27, the grain is accumulated on the screen mesh 27, and the problem that the grain entering later cannot be screened is solved, so that the design is made that a fixing rod 16 fixedly connected with the screen box 1 is arranged below the accumulation plate 17, a scraper 15 is fixedly sleeved on the fixing rod 16, the tops of two sides of the scraper 15 are fixedly connected with the accumulation plate 17, a plurality of groups of blanking pipes are fixedly connected with two sides of the scraper 15, the blanking pipes penetrate through the accumulation plate 17, the scraper 15 and the screen mesh 27 are mutually contacted, the scraper 15 is fixed on the fixing rod 16 in the moving process, when the screening and collecting device 14 reciprocates back and forth, the screened grain is pushed back and forth to fall onto the bottom of the screen box 1, and leaves the screen box 1 from the discharge port, prevent that grain from piling up on screen cloth 27 for the screening speed is faster, and the screening effect is better.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. The utility model provides a miscellaneous device of combined grain clearance sieve, includes sieve case, its characterized in that: a feed inlet is fixedly arranged on one side of the top of the screen box, a material limiting plate is slidably arranged on the feed inlet, a guide plate fixedly connected with the top of one side of the inner wall of the screen box is arranged below the feed inlet, a screen cylinder is arranged at the tail end of the guide plate, one end of the screen cylinder, far away from the guide plate, is fixedly connected with a fixed plate rotationally connected with the screen box, a discharge chute is formed in the fixed plate, two groups of stacking plates are arranged below the screen cylinder, a fixed rod fixedly connected with the screen box is arranged below the stacking plates, a scraper is fixedly sleeved on the fixed rod, the tops of two sides of the scraper are fixedly connected with the stacking plates, a plurality of groups of blanking pipes are fixedly connected with two sides of the scraper and penetrate through the stacking plates, a screening and collecting device movably connected with the screen box is arranged below the scraper, and a second rotating shaft rotationally connected with the screen box is arranged on one side of the screening and collecting device, the waste material screening and collecting device comprises a cam, a screening and collecting device, a first rotating shaft, a waste material box, a waste material guide plate, a gas purifying box, an air pump, a first air exhaust pipe, a second air exhaust pipe, a waste material guide plate, a stacking plate, a gas purifying box, a waste material collecting device, a waste material purifying box and a screen box, wherein the cam is fixedly sleeved on the second rotating shaft, one side of the cam, far away from the second rotating shaft, is welded with the first rotating shaft, is rotatably connected with the first rotating shaft, the other side of the first rotating shaft is rotatably connected with the second rotating shaft, one side of the second rotating shaft, far away from the first rotating shaft, is movably connected with the screening and collecting device, one side of the screen box is fixedly connected with the waste material box, one side of the fixed plate, far away from the screen cylinder is provided with the waste material groove communicated with the waste material box, the waste material guide plate is fixedly connected with the inside of the waste material guide plate, the stacking plate is fixedly connected with the stacking plate, the left side of the screen box is welded with the gas purifying box, the gas exhaust pipe is fixedly connected with the air pump, the gas exhaust pipe and the gas exhaust pipe are respectively fixedly connected with the gas exhaust pipe and the gas exhaust pipe respectively, the gas outlet pipe is communicated with the gas purification box.

2. The combined type grain cleaning and impurity screening device as claimed in claim 1, wherein the screening and collecting device comprises a collecting box, mounting plates are fixedly connected to two sides of the collecting box, a screen is fixedly connected between bottoms of the two sets of mounting plates, a sliding block is welded to one side of the mounting plates, which is far away from the screen, a baffle is welded to the mounting plates on two sides above the screen, two sets of connecting seats fixedly connected with the collecting box are arranged below the baffle, a hinge rod is fixedly connected between the two sets of connecting seats, and the hinge rod is rotatably connected with a second transmission rod.

3. The combined type grain cleaning and impurity screening device according to claim 2, wherein the front and back of the inner wall of the screen box are provided with slide rails, the slide rails are connected with the slide blocks in a sliding manner, and the scraper is in contact with the screen.

4. The combined type grain cleaning and impurity screening device as claimed in claim 1, wherein a second air suction pipe is fixedly connected to the inner top of the screen box, and the second air suction pipe penetrates through the top of the screen box and is communicated with the first air suction pipe.

5. The combined type grain cleaning and impurity screening device as claimed in claim 2, wherein a discharging pipe is fixedly connected to the bottom of the screen box, the screen cylinder and the guide plate are both designed to be inclined, the bottom of the guide plate extends into the screen cylinder, and supporting legs are welded to four corners of the bottom of the screen box.

6. The combined type grain cleaning and impurity screening device according to claim 1, wherein a motor is fixedly mounted at the top of the waste bin, a driving end of the motor is welded with the fixing plate, a driving motor is fixedly connected to the back of the screen bin, and an output shaft of the driving motor is fixedly connected with the second rotating shaft.