CN212916557U

CN212916557U - Wheat dust collector

Info

Publication number: CN212916557U
Application number: CN202021194251.5U
Authority: CN
Inventors: 郭华勇; 宋向阳; 黄云鹏
Original assignee: Henan Ikea Food Co ltd
Current assignee: Henan Ikea Food Co ltd
Priority date: 2020-06-24
Filing date: 2020-06-24
Publication date: 2021-04-09
Anticipated expiration: 2030-06-24

Abstract

The utility model relates to a wheat dust removal device, which solves the problem that the dust removal efficiency of wheat is low because a filter screen is easy to block in the prior art; the technical scheme includes that the device comprises a drum, a rotating shaft is installed in the drum, a stirring shaft is installed on the rotating shaft, an air duct is arranged above the drum, a vertical pipe is arranged on the air duct, a horn mouth is formed in the lower end of the vertical pipe, an air blower is arranged at the left end of the air duct, a filter barrel is arranged at the right end of the air duct, a cross shaft is installed in the filter barrel, a plurality of filter units are arranged on the cross shaft, each filter unit comprises a first filter screen and a baffle, a plurality of through holes are formed in each baffle, a movable plate which can rotate and reset is hinged to one end, away from the first filter screen, of each through hole, an opening is formed in the lower end of the filter barrel, a wheat awn collecting barrel is installed on the filter barrel, a dust channel is communicated with the upper end; the utility model discloses the design is novel, and the structure is ingenious, and the practicality is strong.

Description

Wheat dust collector

Technical Field

The utility model relates to a wheat processing machinery field, especially a wheat dust collector.

Background

The wheat awn and the dust separation in with the wheat among the current wheat dust collector through the combination of a set of filter screen and air exhauster, however, the filter screen blocks easily and needs to shut down the manual work and demolish the filter screen and clear up the filter screen, makes the dust collection efficiency ratio of wheat lower like this, for this reason, an urgent need for a wheat dust collector, carries out the automation and clears up the filter screen, increases the dust collection efficiency of wheat.

Disclosure of Invention

To the above-mentioned condition, for solving the problem that exists among the prior art, the utility model aims at providing a wheat dust collector, solve among the prior art filter screen and block up the problem that makes wheat dust collection efficiency low easily.

The technical scheme for solving the problem is as follows: the device comprises a barrel with an upward opening, a vertical rotating shaft capable of rotating around the axis of the rotating shaft is arranged in the barrel, a plurality of radial stirring shafts are arranged in the vertical direction of the rotating shaft, a horizontal ventilating duct is arranged above the barrel, a vertical pipe is arranged on the ventilating duct, the lower end of the vertical pipe is positioned in the barrel and provided with a horn mouth, an air blower is arranged at the left end of the ventilating duct, a filter barrel arranged in the front-back direction is arranged at the right end of the ventilating duct, a cross shaft which is coaxial with the filter barrel and capable of rotating around the axis of the filter barrel is arranged in the filter barrel, a plurality of filter units are uniformly distributed on the circumference of the cross shaft, each filter unit comprises a first filter screen and a baffle, a plurality of through holes are arranged on each baffle, one end of each through hole, far away from the first filter screen, is hinged with a movable plate capable of rotating and resetting, the lower, the upper end of the filter barrel is communicated with a dust channel, and the tail end of the dust channel is provided with a second filter screen.

The utility model discloses think about novelty, the structure is ingenious, and the practicality is strong, can realize the wheat awn on the first filter screen of intermittent type discharge, has prevented because first filter screen blocks up the efficiency that influences the dust removal.

Drawings

Fig. 1 is a front sectional view of the present invention in use.

Fig. 2 is a partially enlarged view of a portion a in fig. 1 according to the present invention.

Fig. 3 is a partial enlarged view of the point B in fig. 1 according to the present invention.

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.

As shown in fig. 1 to 3, the present invention comprises a barrel 1 with an upward opening, a vertical rotating shaft 2 capable of rotating around its own axis is installed in the barrel 1, a plurality of radial stirring shafts 3 are installed in the up-down direction of the rotating shaft 2, a horizontal ventilating duct 4 is installed above the barrel 1, a vertical pipe 5 is installed on the ventilating duct 4, the lower end of the vertical pipe 5 is located in the barrel 1 and is provided with a bell mouth 6, an air blower 7 is installed at the left end of the ventilating duct 4, a filtering barrel 8 placed in the front-back direction is installed at the right end of the ventilating duct 4, a cross shaft 9 coaxial with the filtering barrel 8 and capable of rotating around its own axis is installed in the filtering barrel 8, a plurality of filtering units are evenly distributed on the circumference of the cross shaft 9, each filtering unit comprises a first filtering net 10 and a baffle 11, each baffle 11 is provided with a plurality of through holes 12, one end of each through hole 12, which is far away from the first filter screen 10, is hinged with a movable plate 13 which can rotate and reset, the lower end of the filter barrel 8 is opened and provided with a awn collecting barrel 14, the upper end of the filter barrel 8 is communicated with a dust channel 15, and the tail end of the dust channel 15 is provided with a second filter screen 16.

In order to realize that the rotating shaft 2 can rotate, the rotating shaft 2 is connected with the barrel 1 through a bearing, the motor is connected with the rotating shaft 2 through a speed reducer, the motor is started, and the motor can drive the rotating shaft 2 to rotate.

In order to realize the rotation of the cross shaft 9, the cross shaft 9 is connected with the filter barrel 8 through a bearing, the motor is connected with the rotating shaft 2 through a speed reducer, the motor is started, and the motor can drive the cross shaft 9 to rotate.

The motor of 9 junctions of cross axle set up to servo motor, the filter unit sets up to 4, along 9 circumference equipartitions of cross axle, the motor drives cross axle 9 at every turn and rotates 90, servo motor drives cross axle 9 intermittent type rotations.

In order to realize the rotatable and resettable movable plate 13, the baffle 11 is provided with a plurality of mounting grooves 17 corresponding to the through holes 12 one by one at a position away from the lower end of the corresponding first filter screen 10, a connecting shaft 18 is mounted in each mounting groove 17, a torsion spring 19 is mounted between each movable plate 13 and each connecting shaft 18, one end of each torsion spring 19 is fixed on each connecting shaft 18, the other end of each torsion spring 19 is fixed on each movable plate 13, and each torsion spring 19 is always in a twisted state; the blower 7 blows air into the ventilation duct 4, the movable plate 13 of the baffle 11 positioned on the upper left of the transverse shaft 9 is opened by the air, and the movable plate 13 positioned on the lower left of the transverse shaft 9 is tightly closed under the action of the air, so that the air flows into the dust channel 15 through the filter screen on the upper left.

The barrel 1 is provided with a blowing device which is communicated with the barrel 1, the blowing device blows gas into the barrel 1, and the auxiliary vertical pipe 5 sucks impurities such as wheat awns.

The pipe orifice diameter that air pipe 4 is close to the position of standpipe 5 reduces, air pipe 4 forms a venturi with standpipe 5, lets in gaseous back in air pipe 4, forms the negative pressure in standpipe 5.

When the device is used, wheat needing dust removal is placed in the barrel 1, the motor and the air blower 7 are started, the air blower blows air into the barrel, the motor rotates to drive the rotating shaft to rotate, the rotating shaft rotates to enable the stirring rod to stir the wheat, the wheat awns and dust with lighter weight are stirred to the upper side in the stirring process, negative pressure is formed in the vertical pipe 5 under the action of the air blower 7, the pressure intensity in the barrel 1 is increased under the action of the air blower, therefore, the wheat awns and the dust are sucked into the ventilation pipeline 4, the movable plate 13 of the baffle plate 11 positioned on the upper left of the transverse shaft 9 is opened by the air, the torsion spring 19 is twisted and deformed, meanwhile, the wheat awns can be remained on the first filter screen 10 on the upper left under the action of the first filter screen 10, and the movable plate 13 positioned on the lower left of the transverse shaft 9 is tightly closed under the action of the air, therefore, the gas with dust flows into the dust channel 15 through the filter screen at the upper left; after a certain time, the servo motor drives the transverse shaft 9 to rotate 90 degrees, the first filter screen 10 positioned above the left of the transverse shaft 9 rotates to the position below the left of the transverse shaft 9, and meanwhile, the wheat awns attached to the first filter screen 10 fall into the wheat awn collecting barrel 14 under the action of gravity;

so, cross axle 9 intermittent type rotates 90, and first filter screen 10 intermittent type rotates to cross axle 9 upper left side, filters the wheat awn on first filter screen 10, and simultaneously, the filter screen that is located before this filter screen rotates to wheat awn collecting vessel 14 tops, collects the wheat awn.

It should be noted that the first filter screen 10 is always in the direction inclined at 45 °, the blower 7 introduces air into the ventilation duct 4, the movable plate 13 of the baffle 11 located above and to the left of the transverse shaft 9 is opened by the air, the torsion spring 19 is twisted and deformed, and the movable plate 13 located below and to the left of the transverse shaft 9 is tightly closed under the action of the air, so that the air flows into the dust channel 15 through the filter screen above and to the left;

the utility model discloses a first filter screen 10, the cooperation of cross axle 9 can realize that first filter screen 10 filters the wheat awn, and the wheat awn is collected in the wheat awn bucket afterwards, separation wheat awn and dust that can be better.

The utility model discloses a baffle 11, about the cooperation of first filter screen 10, can realize that gas can only enter into dust passageway 15 through the first filter screen 10 of upper left side to filter the certain time after, first filter screen 10 rotates along with cross axle 9, and next filter screen begins to filter, has prevented long-time filtration, and the production of the situation of the first filter screen 10 of wheat awn jam has prevented the jam of first filter screen 10, has increased the efficiency of removing dust.

The utility model discloses think about novelty, the structure is ingenious, and the practicality is strong, can realize the wheat awn on the first filter screen 10 of intermittent type discharge, has prevented because first filter screen 10 blocks up the efficiency that influences the dust removal.

Claims

1. A wheat dust removal device is characterized by comprising a barrel (1) with an upward opening, a vertical rotating shaft (2) capable of rotating around the axis of the rotating shaft (2) is installed in the barrel (1), a plurality of radial stirring shafts (3) are installed in the upper direction and the lower direction of the rotating shaft (2), a horizontal ventilating pipeline (4) is installed above the barrel (1), a vertical pipe (5) is installed on the ventilating pipeline (4), the lower end of the vertical pipe (5) is located in the barrel (1) and provided with a horn mouth (6), an air blower (7) is installed at the left end of the ventilating pipeline (4), a filtering barrel (8) placed in the front-back direction is installed at the right end of the ventilating pipeline (4), a transverse shaft (9) which is coaxial with the filtering barrel (8) and capable of rotating around the axis of the filtering barrel is installed in the filtering barrel (8), and a plurality of filtering units are uniformly distributed on the circumference of the, every filter unit all contains a first filter screen (10) and a baffle (11), all have a plurality of through-holes (12) on every baffle (11), the one end that first filter screen (10) were kept away from in every through-hole (12) all articulates has a rotatable and fly leaf (13) that can reset, the lower extreme opening of filter vat (8) is installed one wheat awn collecting vessel (14), the upper end intercommunication of filter vat (8) has a dust passageway (15), the end installation of dust passageway (15) is by a second filter screen (16).

2. The wheat dust removal device according to claim 1, wherein the rotating shaft (2) is connected with the drum (1) through a bearing, the motor is connected with the rotating shaft (2) through a speed reducer, the motor is started, and the motor can drive the rotating shaft (2) to rotate.

3. The wheat dust removing device according to claim 1, wherein the cross shaft (9) is connected with the filter barrel (8) through a bearing, the motor is connected with the cross shaft (9) through a speed reducer, the motor is started, and the motor can drive the cross shaft (9) to rotate.

4. A wheat dust collector as claimed in claim 3, wherein the motor at the joint of the cross shaft (9) is a servo motor, the number of the filter units is 4, the filter units are uniformly distributed along the circumference of the cross shaft (9), the motor drives the cross shaft (9) to rotate 90 degrees each time, and the servo motor drives the cross shaft (9) to rotate intermittently.

5. The wheat dust collector according to claim 1, wherein the baffle (11) is provided with a plurality of mounting grooves (17) corresponding to the through holes (12) one by one at the lower end far away from the corresponding first filter screen (10), a connecting shaft (18) is mounted in each mounting groove (17), a torsion spring (19) is mounted between the movable plate (13) and the connecting shaft (18), one end of the torsion spring (19) is fixed on the connecting shaft (18), the other end of the torsion spring (19) is fixed on the movable plate (13), and the torsion spring (19) is always in a twisted state.

6. A wheat dust collector as claimed in claim 1, wherein a blower is mounted on the barrel (1) and is communicated with the barrel (1), the blower blows air into the barrel (1), and the auxiliary standpipe (5) sucks in the impurities of the wheat straw.

7. The wheat dust removing device according to claim 1, wherein the diameter of the pipe orifice of the ventilating duct (4) near the vertical pipe (5) is reduced, the ventilating duct (4) and the vertical pipe (5) form a venturi tube, and after gas is introduced into the ventilating duct (4), negative pressure is formed in the vertical pipe (5).