CN116251745A - A compound cleaning operation machine for flax threshing material - Google Patents

Abstract

The invention relates to the technical field of flax processing, in particular to a compound cleaning operation machine for flax threshing materials; comprising a frame, a socket cleaning device located outside the frame, and a screw feeding device integrated on the frame device, airflow cleaning device, and vibration specific gravity integrated screening device. The cleaning method of the operating machine is air cleaning first, then wind screening, combined with specific gravity cleaning; finally combined with the compound operation of pocket cleaning, the flax threshing materials pass through each cleaning link step by step, reducing the burden caused by a single cleaning method. High impurity content and high loss rate; the screen surface of the vibrating screen and the screen surface of the specific gravity screen are integrated to cooperate to complete the operation of vibration and specific gravity screening. Power consumption, reduce power consumption while increasing production capacity.

Description

A compound cleaning operation machine for flax threshing material

technical field

The invention relates to the technical field of flax processing, in particular to a compound cleaning operation machine for flax threshing materials.

Background technique

Flax is the main oil crop and economic crop in Northwest my country, breaking through the mechanized harvesting of flax is the key to ensure the sustainable development of flax industry. At present, the mechanized harvesting of flax in my country is mainly based on segmental harvesting. Due to the small mixing and difference of the components of the flax threshing material, it is difficult to separate, so the separation and cleaning link has become one of the key links in the mechanized harvesting process of flax. The separation and cleaning device The quality of performance directly affects the quality of flax harvest and subsequent intensive processing.

In terms of separation and cleaning machines, most of the domestic large-scale and high-level automation separation and cleaning machines are harvesting machines for bulk crops such as wheat and corn, and there are fewer separation and cleaning machines for flax crops. In the existing equipment, the separation and cleaning of flax threshing materials generally adopts two types: airflow type and air screen type, which have the following problems in terms of operating efficiency:

First, due to the small difference in the critical suspension velocity of flax seeds and their impurities, entrainment loss is likely to occur during the separation and cleaning operation;

The second is to use a single cleaning method or a combination of two cleaning methods to carry out operations, resulting in a higher impurity content, so this type of separation and cleaning machinery cannot meet the requirements of flax intensive processing.

Contents of the invention

The object of the present invention is to provide a compound cleaning operation machine for flax threshing materials, which realizes low-impurity and low-loss cleaning of flax threshing materials through combined operations of multiple cleaning methods.

In order to solve the problems of the technologies described above, the present invention adopts the following technical solutions:

The invention provides a compound cleaning operation machine for flax threshing materials, comprising a frame, a socket cleaning device located outside the frame, a screw feeding device integrated on the frame, and an airflow cleaning device , and a vibration specific gravity integrated screening device.

Further, a plurality of traveling wheels are arranged at the bottom of the frame.

Still further, the screw feeding device includes a feeding hopper, a feeding auger located at the bottom of the feeding hopper, and a speed-regulating motor for driving the rotation of the feeding auger; wherein the feeding auger The two ends are respectively installed on the top of the frame through the first bearing seat.

Still further, the wall inclination angle of the feeding hopper is 40°.

Still further, the airflow cleaning device includes a cyclone separator and a settling chamber communicated with the cyclone separator through a flow field pipe;

Wherein the feed port on the cyclone separator communicates with the discharge port of the feeding auger; a first centrifugal fan casing is provided on the settling chamber, and a blowing blower is arranged in the first centrifugal fan casing. A centrifugal fan in the settling chamber; a first outlet is opened at the bottom of the settling chamber.

Still further, the integrated vibratory specific gravity screening device includes a screen frame, a vibratory specific gravity screen arranged on the screen frame through a plurality of suspenders and hinges, and a second centrifugal fan located directly below the vibratory specific gravity screen and gravity sieve air inlet;

Wherein the vibrating sieve includes a slanted sieve box, a sieve surface of the sieve box at the bottom of the sieve box, and a vibrating sieve surface arranged on the sieve box and obliquely above the sieve surface of the sieve box;

Wherein, one end side of the screen surface of the specific gravity sieve is provided with a third discharge port, and the other end side is provided with a fifth discharge port; the inclined lower end of the screen surface of the vibrating screen is provided with a fourth discharge port;

A crank link mechanism that drives the reciprocating motion of the vibrating sieve is set on the screen frame, wherein a second pulley is set on the crank shaft of the crank link mechanism; a second pulley is set on the drive shaft of the second centrifugal fan There is a third pulley, wherein both the second pulley and the third pulley are driven by a drive motor mounted on the frame.

Still further, the pocket cleaning device includes a pocket roller shaft, a pocket roller connected to the pocket roller shaft through roller spokes, a collection trough turning device arranged in the pocket roller, and a set The conveying auger in the turning device of the collection tank;

Wherein, the side wall of the socket roller is provided with a second material inlet; the two ends of the socket roller shaft are installed on the socket roller bracket through the third bearing seat;

Wherein the collecting trough turning device comprises a collecting trough, a support for installing the collecting trough through a rotating shaft and a second bearing seat, a worm gear arranged on the rotating shaft, and a worm shaft for driving the worm gear to rotate and rocker.

Compared with the prior art, the beneficial technical effects of the present invention are as follows:

1) The speed of the auger is controlled by the speed-regulating motor, and the feeding amount of the working machine is adjusted in time according to the cleaning quality of the working machine, so as to avoid clogging and other phenomena, and improve the quality and efficiency of cleaning;

2) The cleaning method of the operating machine is airflow cleaning first, then wind screening, combined with specific gravity cleaning; finally combined with the compound operation of pocket cleaning, the flax threshing materials pass through each cleaning link step by step, reducing the need for single cleaning. The high impurity rate and high loss rate brought by the method;

3) The sieve surface of the vibrating screen and the sieve surface of the specific gravity screen are integrated, and the vibration and specific gravity screening operations are completed in cooperation. The production capacity of the vibration screening and the specific gravity screening of this design is complementary, and the reduction of the material transportation link reduces the power consumption and improves the production capacity. Reduce power consumption.

Description of drawings

The present invention will be further described below in conjunction with the accompanying drawings.

Fig. 1 is the overall structure schematic diagram of the present invention;

Fig. 2 is a schematic diagram of a screw feeding device in Fig. 1 of the present invention;

Fig. 3 is a schematic diagram of the airflow cleaning device in Fig. 1 of the present invention;

Fig. 4 is a schematic diagram of the vibration-specific gravity integrated screening device in Fig. 1 of the present invention;

Fig. 5 is a schematic view of the vibrating-pycnometer structure in Fig. 4 of the present invention;

Fig. 6 is a schematic diagram of a socket cleaning device in Fig. 1 of the present invention;

Fig. 7 is a schematic structural view of the collecting tank turning device in Fig. 6 of the present invention.

As shown in the figure: 1. Rack; 2. Screw feeding device; 2-1. Speed regulating motor; 2-2. First bearing seat; 2-3. Feeding auger; 2-4. Feeding hopper; 3. Airflow cleaning device; 3-1. Cyclone separator; 3-2. First material inlet; 3-3. Spiral baffle; 3-4. Flow field tube; 3-5. Settling chamber; 3- 6. The shell of the first centrifugal fan; 3-7. The first outlet; 3-8. The blade of the first centrifugal fan; 3-9. The first pulley; 3-10. The second outlet; 4. Vibration- Specific gravity integrated screening device; 4-1. Screen frame; 4-2. Hinge; 4-3. Suspender; 4-4. Second pulley; Belt pulley; 4-7. Second centrifugal fan; 4-8. Airflow inlet of specific gravity screen; 4-9. Vibration-specific gravity screen; 4-9-1. Third discharge port; 4-9-2. Screen box; 4-9-3. Gravity sieve surface; 4-9-4. Vibrating sieve surface; 4-9-5. Fourth outlet; 4-9-6. Fifth outlet; 4-9- 7. Lifting lug; 5. Hole cleaning device; 5-1. Second material inlet; 5-2. Hole roller; 5-3. Conveying auger; 5-4. Hole roller shaft; 5. Collecting tank turning device; 5-5-1. Collecting tank; 5-5-2. Turbine; 5-5-3. Worm shaft; 5-5-4. Rocking handle; 5-5-5. The second bearing seat; 5-6. The third bearing seat; 5-7. The fourth outlet; 5-8. The socket roller bracket; 5-9. The sixth outlet; 5-10. The roller spoke; 6. Drive motor; 7. Worm gear drive; 8. Traveling wheel.

Detailed ways

As shown in Figure 1, a compound cleaning operation machine for flax threshing materials is disclosed in this embodiment, which includes a frame 1, a socket cleaning device 5 located outside the frame 1, and is integrated and installed on the frame 1 on the screw feeding device 2, the air flow cleaning device 3, and the vibration-specific gravity integrated screening device 4.

In this embodiment, a plurality of traveling wheels 8 are installed on the bottom of the frame 1, specifically universal wheels, so as to facilitate position adjustment according to requirements.

As shown in Figure 2, the screw feeding device 2 includes a feeding hopper 2-4, a feeding auger 2-3 positioned at the bottom of the feeding hopper 2-4, and a feeding auger 2-3 for driving the feeding auger 2-4. 3 Rotating speed-regulating motor 2-1; wherein the two ends of the feeding auger 2-3 are installed on the top of the frame 1 through the first bearing seat respectively.

Wherein the wall inclination angle of the feeding hopper 2-4 is 40° to facilitate unloading.

As shown in Figure 3, in this embodiment, the airflow cleaning device 3 includes a cyclone separator 3-1, and a settling chamber 3-5 communicated with the cyclone separator 3-1 through a flow field pipe 3-4;

Wherein the feed inlet 3-2 on the cyclone separator 3-1 communicates with the feed outlet of the feeding auger 2-3; the first centrifugal fan housing 3-5 is installed on the settling chamber 3-5. 6. A centrifugal fan blowing to the settling chamber 3-5 is installed in the first centrifugal fan casing 3-6; a first discharge port 3-7 is opened at the bottom of the settling chamber 3-5.

As shown in Figure 4 and Figure 5, the vibration-specific gravity integrated screening device 4 includes a screen frame 4-1, which is installed on the screen frame 4-1 by a plurality of suspension rods 4-3 and hinges 4-2 Vibration-specific gravity sieve 4-9, and the second centrifugal fan 4-7 and specific gravity sieve air inlet 4-8 that are positioned directly below the vibration-specific gravity sieve 4-9;

Wherein said vibration-specific gravity screen 4-9 comprises the sieve case 4-9-2 of inclined arrangement, the specific gravity sieve screen surface 4-9-3 that is installed on the bottom of described sieve case 4-9-2, and is installed on the The vibrating screen surface 4-9-4 on the screen box 4-9-2 and located obliquely above the gravity screen surface 4-9-3;

Wherein, one end side of the sieve surface 4-9-3 of the specific gravity sieve is equipped with a third discharge port 4-9-1, which is used for sorting short stems and capsule shells, and a fifth discharge port is installed at the other end side. Feed port 4-9-6, which sorts flax grains containing some shorter stems; the inclined lower end of the vibrating screen surface 4-9-4 is equipped with a fourth discharge port 4-9-5; The fourth outlet 4-9-5 is used for sorting out long stems;

A crank link mechanism 4-5 that drives the vibration-specific gravity screen 4-9 to reciprocate is installed on the screen frame 4-1, wherein a second crankshaft is installed on the crank shaft of the crank link mechanism 4-5. Pulley 4-4; the drive shaft of the second centrifugal fan is provided with a third pulley 4-6, wherein the second pulley 4-4 and the third pulley 4-6 are installed on the frame 1 The driving motor 6 is driven.

As shown in Figures 6 and 7, the pocket cleaning device 5 includes a pocket roller shaft 5-4, a pocket roller 5-2 connected to the pocket roller shaft 5-4 through a roller spoke 5-10 . A collecting trough turning device 5-5 installed in the pocket drum 5-2, and a conveying auger 5-3 installed in the collecting trough turning device 5-5;

Wherein the side wall of the socket cylinder 5-2 is provided with a second material inlet 5-1; the two ends of the socket cylinder shaft 5-4 are installed on the socket cylinder through the third bearing seat 5-6 on bracket 5-8;

Wherein said collecting tank overturning device 5-5 comprises collecting tank 5-5-1, installs the bearing of described collecting tank 5-5-1 by rotating shaft and second bearing seat 5-5-5, is installed on The turbine 5-5-2 on the rotating shaft, and the worm shaft 5-5-3 and rocking handle 5-5-4 for driving the turbine 5-5-2 to rotate.

Example

As shown in Figures 1 to 7, this embodiment discloses a compound cleaning operation machine for flax threshing materials, including a frame 1, a screw feeding device 2 is arranged at the front end of the frame 1, and an air flow cleaning device is arranged on the upper part of the frame 1. Selecting device 3, the lower part of the frame 1 is provided with a vibration-specific gravity integrated screening device 4, the rear end of the frame 1 is provided with a pocket cleaning device 5, and the front end of the screw feeding device 2 is provided with a speed regulating motor 2- 1. A second centrifugal fan 4-7 is provided at the lower part of the vibration-specific gravity integrated screening device 4, and a drive motor 6 is provided at the front end of the second centrifugal fan 4-7.

Described screw feeding device 2 comprises feeding auger 2-3, is provided with feeding hopper 2-4 at the upper end of feeding auger 2-3, and the inclination angle of feeding hopper wall is 40 °, and in feeding auger 2-3 The front end is connected with the speed-regulating motor 2-1, and the feeding amount of the flax threshing material is controlled by adjusting the speed-regulating motor 2-1, and the material is conveyed to the airflow cleaning device from left to right through the feeding auger 2-3 The first material inlet 3-2.

The air flow cleaning device 3 is connected with the settling chamber 3-5 by the cyclone separator 3-1 through the flow field pipe 3-4, and the side of the settling chamber 3-5 is connected with the first centrifugal fan housing 3-6, wherein A first centrifugal fan blade 3-8 is arranged inside the first centrifugal fan housing 3-6, and the first centrifugal fan blade 3-8 is driven by a first pulley 3-9.

The inside of the cyclone separator 3-1 is provided with a section of spiral baffle 3-3 for changing the internal flow field of the cyclone separator 3-1. The height of the spiral baffle 3-3 is 10cm, and the inclination angle is 23°. The second outlet 3-10 at the lower end of the device is provided with a vibration-specific gravity integrated screening device 4.

The vibration-specific gravity integrated screening device 4 includes a screen box 4-9, and a vibrating screen surface 4-9-4 is arranged on the top of the screen box. The width of the vibrating screen body is 500mm, and the length of the screen surface is 600mm. The surface inclination angle is 6°, the sieve hole is a long waist punching size (length x width) is 15mm x 2.5mm, and the fifth discharge port 4-9-6 is set at the rear end of the vibrating screen surface 4-9-2 , there are booms 4-3 on both sides of the screen box 4-9-2, the boom 4-3 is connected with the screen frame 4-1 through the hinge 4-2, and the left end of the screen box 4-9-2 is provided with a crank connection. The rod mechanism 4-5 is driven by the second belt pulley 4-4 connected to it. A gravity sieve surface 4-9-3 is provided at the bottom of the screen box 4-9-2. The width of the gravity sieve body is 500mm. The surface length is 1100mm, the surface inclination angle is 5°, and the sieve hole is a round hole sieve with a size of 1mm. The third discharge port 4-9-1 and the fourth discharge port are respectively provided at the front and rear ends of the gravity sieve screen surface 4-9-3. 4-9-5, a gravity sieve air inlet 4-8 is provided at the lower part of the gravity sieve surface 4-9-3, and the gravity sieve air inlet 4-8 is connected with the second centrifugal fan 4-7; wherein the third outlet The feed port 4-9-1 is used for sorting out short stems and capsule shells.

The socket cleaning device 5 includes a socket cylinder 5-2, the socket cylinder 5-2 is 900mm long, its inner diameter is 400mm, and its inner surface is provided with sockets arranged in the shape of "product". The front end of the socket cylinder 5-2 is provided with a second material inlet 5-1, and a collection tank 5-5-1 is arranged inside the socket cylinder 5-2, and the collection tank 5-5-1 is connected with the socket The inner wall gap of the drum 5-2 is 2mm, and a set of worm gear and worm mechanism 5-5 is arranged at the rear of the collecting tank 5-5-1, and the rocking handle 5-5- 4 The collecting tank 5-5-1 can be turned over, and the conveying auger 5-3 is arranged inside the collecting tank 5-5-1, and the conveying auger 5-3 passes through six groups of socket spokes 5- 10 is indirect with the socket cylinder 5-2, and is provided with the sixth discharge port 5-9 at its rear.

In describing the present invention, it is to be understood that the terms "vertical", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical" , "horizontal", "top", "bottom", "inner", "outer" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention, rather than indicating Or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as limiting the invention.

The above embodiments are only descriptions of the preferred modes of the invention, and are not intended to limit the scope of the invention. Without departing from the design spirit of the invention, those skilled in the art may make various modifications and adjustments to the technical solution of the invention. Improvements should all fall within the scope of protection determined by the claims of the present invention.

Claims (7)

1. A compound cleaning operation machine for the threshing materials of flax is characterized in that: comprises a frame, a nest cleaning device positioned at the outer side of the frame, a spiral feeding device, an airflow cleaning device and a vibration specific gravity integrated screening device which are integrally arranged on the frame.

2. The flax threshing material duplex cleaning machine of claim 1, wherein: a plurality of travelling wheels are arranged at the bottom of the frame.

3. The flax threshing material duplex cleaning machine of claim 1, wherein: the spiral feeding device comprises a feeding hopper, a feeding auger positioned at the bottom of the feeding hopper and a speed regulating motor used for driving the feeding auger to rotate; wherein two ends of the feeding auger are respectively arranged at the top of the frame through first bearing seats.

4. The flax threshing material duplex cleaning machine of claim 1, wherein: the wall inclination angle of the feeding hopper is 40 degrees.

5. A flax threshing material duplex cleaning machine as claimed in claim 3, characterized in that: the airflow cleaning device comprises a cyclone separator and a settling chamber communicated with the cyclone separator through a flow field pipe;

wherein a feed inlet on the cyclone separator is communicated with a discharge outlet of the feeding auger; a first centrifugal fan shell is arranged on the sedimentation chamber, and a centrifugal fan blowing to the sedimentation chamber is arranged in the first centrifugal fan shell; the bottom of the sedimentation chamber is provided with a first discharge hole.

6. The flax threshing material compound cleaning machine of claim 5, wherein: the vibration specific gravity integrated screening device comprises a screen frame, a vibration specific gravity screen arranged on the screen frame through a plurality of suspenders and hinges, and a second centrifugal fan and a specific gravity screen airflow inlet which are positioned right below the vibration specific gravity screen;

the vibrating gravity screen comprises a screen box which is obliquely arranged, a gravity screen surface which is arranged at the bottom of the screen box, and a vibrating screen surface which is arranged on the screen box and is obliquely above the gravity screen surface;

wherein, one end side of the specific gravity sieve surface is provided with a third discharge hole, and the other end side is provided with a fifth discharge hole; a fourth discharge hole is formed in the inclined lower end part of the screen surface of the vibrating screen;

a crank-link mechanism driving the vibrating gravity sieve to reciprocate is arranged on the sieve frame, wherein a crank shaft of the crank-link mechanism is provided with a second belt pulley; and a driving shaft of the second centrifugal fan is provided with a third belt pulley, wherein the second belt pulley and the third belt pulley are driven by a driving motor arranged on the frame.

7. The flax threshing material duplex cleaning machine of claim 1, wherein: the nest cleaning device comprises a nest drum shaft, a nest drum connected with the nest drum shaft through drum spokes, a material collecting groove overturning device arranged in the nest drum, and a conveying auger arranged in the material collecting groove overturning device;

the side wall of the pocket roller is provided with a second feeding port; the two ends of the pocket roller shaft are arranged on the pocket roller bracket through a third bearing seat;

the material collecting tank overturning device comprises a material collecting tank, a support seat for installing the material collecting tank through a rotating shaft and a second bearing, a turbine arranged on the rotating shaft, and a worm shaft and a rocking handle for driving the turbine to rotate.

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