A device for removing particle impurities from millet processing

Abstract

The invention discloses a millet processing and particle impurity removal device, which relates to the technical field of grain processing. The particle impurity removal device comprises an outer frame, a feed box and a material guiding and screening component, wherein the material guiding and screening component is arranged inside the outer frame and the material guiding and screening component comprises a screening material guiding trough in an inclined state and a screening mesh plate component installed inside the screening material guiding trough, and a material guiding and dispersing mechanism, a wind blowing and falling component and a main driving component are arranged below the material guiding and screening component, wherein the material guiding and dispersing mechanism comprises a material guiding trough and a material dropping chamber, and a shaking and scattering component is arranged inside the material dropping chamber; the wind blowing and falling component is used to apply airflow to the material falling through the material dropping chamber so that the impurities and grains fall in different areas. The invention has a simple structure, removes larger impurities by shaking the screen plate, and removes impurities with similar sizes by dispersing and falling and the action of airflow, and has an obvious impurity cleaning effect and high efficiency.

Description

Technical Field

[0001] The invention relates to the technical field of grain processing, in particular to equipment for removing granular impurities during millet processing. Background Art

[0002] Millet is an important food crop that is widely grown and consumed around the world. Millet processing refers to a series of processes such as shelling, grinding, and steaming millet so that it can be eaten or further processed into other foods. Before millet is processed through a series of processes such as grinding and steaming, impurities in it need to be removed.

[0003] The existing particulate impurity removal equipment mainly achieves separation by placing the millet material on a screen plate and using the shaking of the screen plate to allow the millet material to pass through the screen plate, while the particulate impurities are retained on the screen plate; however, this method is only suitable for removing impurities that are larger than the millet material. For some impurities that are not much different in size from the millet material or are relatively small in size, the screen plate cannot be used to effectively remove them. Summary of the invention

[0004] The purpose of the present invention is to provide a device for removing particulate impurities from millet to solve the problems raised in the background technology.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] A millet processing and removal of particulate impurities equipment comprises an outer frame, a feed box and a material introducing and screening component, wherein the feed box is arranged on the top of the outer frame and is used for pre-storing materials to be cleared of impurities; the material introducing and screening component is arranged on the inner side of the outer frame and comprises a screening guide trough in an inclined state and a screening mesh plate component installed inside the screening guide trough, wherein one end of the screening guide trough is open and is rotatably connected to the outer frame through a supporting shaft portion, the other end of the screening guide trough extends to the discharge port of the feed box and the bottom of the screening guide trough is provided with a material dropping port, the screening mesh plate component is in a stepped structure and covers the upper side of the material dropping port; a material introducing and dispersing mechanism, a wind blowing and dropping assembly and a main driving component are arranged below the material introducing and screening component, the material introducing and dispersing mechanism comprises a material introducing trough and a material dropping chamber, the material introducing trough Located directly below the shaking rack portion and fixedly connected to the outer frame, the material dropping chamber is arranged at one end of the material guide trough, the lower end of the material dropping chamber extends to the upper side of the wind blowing and dropping assembly, and a shaking scattering assembly for evenly dispersing the material in the material dropping chamber is arranged inside the material dropping chamber; the main driving component is arranged on the side of the material guide trough, one end of the main driving component is connected to the screening material guide trough and the other end is connected to the bottom of the screening material guide trough, the main driving component can drive the screening material guide trough to reciprocate around the axis of the supporting shaft portion, the main driving component also acts on the shaking scattering assembly and causes the shaking scattering assembly to move to disperse the material; the wind blowing and dropping assembly is located on the lower side of the material guiding and dispersing mechanism and is connected to the outer frame, the wind blowing and dropping assembly is used to apply airflow to the material falling through the material dropping chamber so that impurities and grains fall in different areas.

[0007] On the basis of the above technical solution, the present invention also provides the following optional technical solution:

[0008] In an optional scheme: the screening mesh plate component includes multiple screening plates, each of which is provided with a central axis on the side, and the central axis rotates and penetrates the side wall of the screening material guide trough, wherein a shaking rack portion is provided at the end of one of the central axes, and the shaking rack portion is meshed with an upper arc-shaped rack provided on the supporting shaft portion; the two side walls of the screening plate are in contact with the inner wall of the screening material guide trough; two adjacent screening plates are connected together by a flexible connecting strip, and the lower end of the screening plate closest to the opening end of the screening material guide trough is connected to the bottom of the screening material guide trough by a flexible connecting strip.

[0009] In an optional solution: the shaking scattering assembly includes a plurality of bulk material shafts, which are rotatably arranged in the form of three groups inside the blanking chamber and one end of the bulk material shaft extends to the outer wall of the blanking chamber, each bulk material shaft is provided with a bulk material plate and the bulk material plate is an inverted V-shaped structure, the main driving component is connected to the end portions of the plurality of bulk material shafts extending to the outer wall of the blanking chamber and drives the bulk material shafts to rotate alternately forward and reverse.

[0010] In an optional solution, the bulk material axes of two adjacent rows are offset from each other and the maximum width of the bulk material plate is smaller than the diameter distance between two adjacent bulk material axes.

[0011] In an optional scheme: a supporting slide is arranged on the side wall of the material guide trough, a supporting slide is arranged on the side wall of the screening material guide trough, and a supporting slide seat slidably matched therewith is arranged on the supporting slide, the main driving component includes a power unit, a vertical rod member, and a bulk material transmission unit, the vertical rod member is slidably arranged on the supporting slide, an upper support seat is arranged on the top of the vertical rod member, and the upper support seat is rotatably connected to the supporting slide seat, the bulk material transmission unit is arranged on the outer wall of the blanking chamber and the bulk material transmission unit is connected to the ends of multiple bulk material shafts, the bulk material transmission unit is also connected to the vertical rod member, the power unit is arranged on the material guide trough and the power unit is connected to the vertical rod member, and the power unit is used to drive the vertical rod member to reciprocate along the supporting slide.

[0012] In an optional solution: each bulk material shaft is provided with a bulk material gear portion, the bulk material transmission portion includes a movable rod, a push-pull connecting rod portion and three bulk material racks, the movable rod is slidably matched with the outer frame and the movable rod is connected to the ends of the three bulk material racks, the three bulk material racks are respectively meshed with the bulk material gear portions in the three groups; one end of the push-pull connecting rod portion is hinged to the side of the vertical rod and the other end is hinged to the side of the movable rod.

[0013] In an optional scheme: the power part includes a power motor and a turntable part, the power motor is fixed on the lower side of the material guide trough and the turntable part is arranged at the output end of the power motor, the lower end of the vertical rod extends to the front end surface of the turntable part and the vertical rod is provided with a through groove part along the length direction of the rod, and an eccentric column extending to the inner side of the through groove part is arranged on the end face of the vertical rod.

[0014] In an optional scheme: the wind-blowing and dropping assembly includes a material receiving component, a material blocking cover arranged on the material receiving component and a material dividing fan arranged on the lower side of the material dropping chamber, the material dividing fan is located at one end of the material blocking cover and is fixedly connected to the outer frame, and the end of the material dividing fan opposite to the material blocking cover is hollowed out; the material receiving component is provided with three material receiving troughs and a discharge port is arranged at the bottom of each material receiving trough, and the opening width of the material receiving trough located in the middle is greater than the opening widths of the other two material receiving troughs.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. In the present invention, the larger impurities in the millet material are first removed by the material introduction screening component, and in the process of removal, since the screening mesh plate component is in a stepped shape, the moving speed of the millet material on the screening mesh plate component is relatively slow, which increases the screening time of the millet material and improves the screening adequacy. In addition, the millet material moves from the high step section of the screening mesh plate component to the low step section and the shaking state of the millet material, and the millet material will shake in a dispersed manner, thereby improving the screening effect;

[0017] 2. In the present invention, the airflow acts on the falling millet material. Since the density of the impurities and the millet material is different, the weights of the two are different. Driven by the airflow, the impurities and the millet material will be scattered in different areas, so as to achieve rapid separation with obvious separation effect. Before the airflow acts on the millet material, the scattering component is shaken to act on the millet material, and the millet material is made to fall in a dispersed manner in the falling chamber, so as to avoid excessive concentration of the millet material, and the impurities and the millet material are affected by the front material and fall into the wrong area.

[0018] 3. The present invention has a simple structure, and removes larger impurities by shaking the screen plate, and then removes impurities of similar size by dispersing and falling and the action of airflow. The impurity cleaning effect is obvious and the efficiency is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of a device for removing particulate impurities in one embodiment of the present invention.

[0020] Figure 2 It is a schematic diagram of the structure of the material introduction and screening component and the material guide and dispersion mechanism in one embodiment of the present invention.

[0021] Figure 3 It is a schematic diagram of the structure of the screening mesh panel components in one embodiment of the present invention.

[0022] Figure 4 It is a schematic diagram of the structure of a screening material guide trough in one embodiment of the present invention.

[0023] Figure 5 It is a schematic diagram of the internal structure of the material guiding and dispersing mechanism in one embodiment of the present invention.

[0024] Figure 6 Schematic diagram of the structure of the main driving component in one embodiment of the present invention.

[0025] Figure 7 It is a schematic diagram of the structure of the material receiving component in one embodiment of the present invention.

[0026] Reference numerals: outer frame 100, supporting shaft portion 110, upper arc-shaped rack 120, feed box 200, material guiding and screening component 300, screening material guide trough 310, screening mesh plate component 320, screening plate 330, central axis 340, flexible connecting strip 350, shaking rack portion 360, supporting slideway 370, supporting slide seat 380, material drop opening 390, material guiding and dispersing mechanism 400, material guide trough 410, material drop chamber 420, shaking scattering assembly 430, scattering Material shaft 431, bulk material plate 432, bulk material gear unit 433, support slide 440, material receiving component 500, material receiving trough 510, discharge port 520, material blocking cover 600, material distribution fan 700, main driving component 900, power unit 910, power motor 911, turntable unit 912, eccentric column 913, vertical rod 920, bulk material transmission unit 930, bulk material rack 931, movable rod 932, push-pull connecting rod unit 933, through groove unit 940, and upper support seat 950. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments; in the drawings or descriptions, similar or identical parts use the same reference numerals, and in practical applications, the shape, thickness or height of each component can be enlarged or reduced. The various embodiments listed in the present invention are only used to illustrate the present invention and are not used to limit the scope of the present invention. Any obvious modifications or changes made to the present invention do not depart from the spirit and scope of the present invention.

[0028] The left, right, up, and down positions of the components shown in the drawings are only one arrangement, and the specific positions are set according to specific needs.

[0029] In one embodiment, Figure 1-Figure 6As shown, a millet processing and particle impurity removal device comprises an outer frame 100, a feed box 200 and a material introduction and screening component 300, wherein the feed box 200 is arranged on the top of the outer frame 100 and is used for pre-storing materials to be cleared of impurities; the material introduction and screening component 300 is arranged on the inner side of the outer frame 100 and comprises a screening guide trough 310 in an inclined state and a screening mesh plate component 320 installed inside the screening guide trough 310, wherein one end of the screening guide trough 310 is open. The opening is set and is rotatably connected to the outer frame 100 through the supporting shaft part 110. The other end of the screening guide trough 310 extends to the discharge opening of the feed box 200 and the bottom of the screening guide trough 310 has a drop opening 390. The screening mesh plate component 320 is a stepped structure and covers the upper side of the drop opening 390. The guide and dispersion mechanism 400, the wind blowing and dropping assembly and the main driving component 900 are arranged below the material guiding and screening component 300. The guide and dispersion mechanism 400 includes a guide trough 410 and a drop chamber 4 20, the guide trough 410 is located directly below the shaking rack portion 360 and is fixedly connected to the outer frame 100, the material dropping chamber 420 is arranged at one end of the guide trough 410, the lower end of the material dropping chamber 420 extends to the upper side of the wind blowing and dropping component, and the material dropping chamber 420 is provided with a shaking scattering component 430 for evenly dispersing the material in the material dropping chamber 420; the main driving component 900 is arranged on the side of the guide trough 410, one end of the main driving component 900 is connected to the screening guide trough 310 and the other end is connected to the screening guide trough 310. The bottom of the material guide trough 310 is connected, and the main driving component 900 can drive the screening material guide trough 310 to reciprocate around the axis of the supporting shaft part 110. The main driving component 900 also acts on the shaking scattering component 430 and makes the shaking scattering component 430 move to disperse the material; the wind blowing and dropping component is located on the lower side of the material guide and dispersion mechanism 400 and is connected to the outer frame 100. The wind blowing and dropping component is used to apply airflow to the material falling through the dropping chamber 420 so that impurities and grains fall into different areas.

[0030] In the embodiment of the present invention, the millet material is stored in the feed box 200 and falls from the feed opening of the feed box 200; the millet material falls into the screening guide trough 310 and is on the screening mesh plate component 320. Since the screening guide trough 310 always maintains an inclined state, the millet material gradually moves toward the opening of the screening guide trough 310 along the screening mesh plate component 320. During the movement of the millet material, the main driving component 900 acts on the screening guide trough 310 and causes the screening guide trough 310 to reciprocate around the supporting shaft portion 110, causing the screening guide trough 310 to vibrate and the screening mesh plate component 320 to rotate back and forth. As the screening material guide trough 310 moves, the millet material vibrates in the screening mesh plate component 320, and the millet material and some relatively small impurities fall into the inside of the material guide trough 410 through the sieve holes of the screening mesh plate component 320, and the relatively large impurities continue to move along the upper surface of the screening mesh plate component 320 to the open end of the screening material guide trough 310; since the screening mesh plate component 320 is in a stepped shape, the movement speed of the millet material on the screening mesh plate component 320 is relatively slow, which increases the screening time of the millet material and improves the screening adequacy, and the millet material moves through the high step section of the screening mesh plate component 320 The millet material will be shaken in a dispersed manner to improve the screening effect; the millet material in the guide trough 410 will move to the inside of the material dropping chamber 420 and fall from the material dropping chamber 420 to the wind blowing and falling component. During the falling of the millet material in the material dropping chamber 420, the main driving component 900 acts on the shaking and scattering component 430 to move and the shaking and scattering component 430 acts on the millet material, and makes the millet material fall in a dispersed manner in the material dropping chamber 420. Since the reciprocating rotation of the screening guide trough 310 and the shaking and scattering component 430 are both driven by the main driving component The moving component 900 is controlled, and the two have a coordinated relationship to adapt to the speed of millet material screening and falling. The millet material reaches the wind blowing and falling component in a dispersed form, and the shaking scattering component 430 acts on the falling millet material in a lateral blowing manner of airflow; after being screened by the screening mesh plate component 320, the impurities and millet materials reaching the wind blowing and falling component are not much different in volume, and the weights of the impurities and millet materials are different due to the different densities of the impurities and the millet materials; driven by the airflow, the impurities and the millet materials will be scattered in different areas, thereby achieving rapid separation and obvious separation effect;

[0031] In one embodiment, Figure 1-Figure 6As shown, the screening mesh plate component 320 includes a plurality of screening plates 330, each of which is provided with a central axis 340 on its side, and the central axis 340 rotates and penetrates the side wall of the screening guide trough 310, wherein a shaking rack portion 360 is provided at one end of the central axis 340, and the shaking rack portion 360 is meshed with the upper arc-shaped rack 120 provided on the supporting shaft portion 110; the two side walls of the screening plate 330 are in contact with the inner wall of the screening guide trough 310; two adjacent screening plates 330 are connected together by a flexible connecting strip 350, and the lower end of the screening plate 330 closest to the open end of the screening guide trough 310 is connected to the bottom of the screening guide trough 310 by a flexible connecting strip 350; in the embodiment of the present invention, the main driving component 900 acts on the screening guide trough 310 0 and make it reciprocate, since multiple screening mesh plate components 320 rotate with the screening guide trough 310, and the shaking rack part 360 on one of the central shafts 340 is meshed with the upper arc-shaped rack 120, the central shaft 340 rotates and drives the corresponding screening plate 330 to reciprocate, and the two adjacent screening plates 330 are connected together by the flexible connecting strip 350, and multiple screening plates 330 reciprocate and rotate, and the screening plates 330 always rotate between the horizontal and inclined states, and the rotation directions of the two adjacent screening plates 330 are opposite, so while ensuring that the millet material moves to the port of the screening guide trough 310, the shaking of the millet material is increased and the speed of the millet material movement is slowed down, thereby effectively improving the screening effect and sufficiency of the millet material.

[0032] In one embodiment, Figure 1-Figure 6 As shown, the shaking scattering assembly 430 includes a plurality of bulk material shafts 431, and the plurality of bulk material shafts 431 are rotatably arranged in the form of three groups inside the blanking chamber 420, and one end of the bulk material shaft 431 extends to the outer wall of the blanking chamber 420, and each bulk material shaft 431 is provided with a bulk material plate 432, and the bulk material plate 432 is an inverted V-shaped structure, and the main driving component 900 is connected to the ends of the plurality of bulk material shafts 431 extending to the outer wall of the blanking chamber 420 and drives the bulk material shaft 431 to rotate alternately forward and reverse; in the embodiment of the present invention, the main driving component 900 acts on the end of the bulk material shaft 431 and causes the bulk material shaft 431 to rotate alternately forward and reverse, and the bulk material shaft 431 drives the bulk material plate 432 thereon to swing, and the bulk material plate 432 can laterally shift the millet material passing around it, thereby effectively breaking up the concentrated and falling millet material.

[0033] In one embodiment, Figure 1-3As shown, the bulk material axes 431 of two adjacent rows are offset from each other and the maximum width of the bulk material plate 432 is less than the diameter distance between the two adjacent bulk material axes 431; in the embodiment of the present invention, the millet material will fall through the gap between the two bulk material plates 432. Since the bulk material axes 431 of two adjacent rows are offset from each other, the falling millet material touches the surface of the bulk material plate 432 of the next row, so that the millet material rebounds and moves horizontally for a distance to continue falling, thereby achieving full dispersion.

[0034] In one embodiment, Figure 1-Figure 6 As shown, a supporting slide 440 is provided on the side wall of the material guide trough 410, a supporting slide 370 is provided on the side wall of the screening material guide trough 310, and a supporting slide seat 380 that slides with it is provided on the supporting slide 370, and the main driving component 900 includes a power unit 910, a vertical rod 920, and a bulk material transmission unit 930, the vertical rod 920 is slidably provided on the supporting slide 440, an upper support seat 950 is provided on the top of the vertical rod 920, and the upper support seat 950 is rotatably connected to the supporting slide seat 380, the bulk material transmission unit 930 is provided on the outer wall of the blanking chamber 420, and the bulk material transmission unit 930 is connected to the ends of multiple bulk material shafts 431 The bulk material transmission unit 930 is also connected to the vertical rod 920, the power unit 910 is arranged on the material guide trough 410 and the power unit 910 is connected to the vertical rod 920, and the power unit 910 is used to drive the vertical rod 920 to reciprocate along the supporting slide 440; in this embodiment of the present invention, the power unit 910 works and drives the vertical rod 920 to reciprocate along the supporting slide 440, and the movable vertical rod 920 drives the screening material guide trough 310 to reciprocate around the supporting shaft portion 110 through the connection between the upper support seat 950 and the supporting slide 380; the movable vertical rod 920 also drives multiple bulk material shafts 431 to rotate synchronously through the bulk material transmission unit 930.

[0035] In one embodiment, Figure 1-Figure 6 As shown, each bulk material shaft 431 is provided with a bulk material gear part 433, and the bulk material transmission part 930 includes a movable rod 932, a push-pull connecting rod part 933 and three bulk material racks 931, the movable rod 932 is slidably matched with the outer frame 100 and the movable rod 932 is connected to the ends of the three bulk material racks 931, and the three bulk material racks 931 are respectively meshed with the bulk material gear parts 433 in the three groups; one end of the push-pull connecting rod part 933 is hinged to the side of the vertical rod 920 and the other end is hinged to the vertical rod 920. It is hinged to the side of the movable rod 932; in the embodiment of the present invention, the vertical rod 920 moves back and forth under the drive of the power part 910, and the reciprocating vertical rod 920 drives the movable rod 932 and the bulk rack 931 to move back and forth on the outer wall of the blanking chamber 420 through the push-pull connecting rod part 933, and the movable bulk rack 931 engages with the bulk gear part 433 to make the bulk plate 432 rotate alternately forward and reverse, so that the bulk plate 432 is used to scatter the millet material falling inside the blanking chamber 420.

[0036] In one embodiment, Figure 1-Figure 6 As shown, the power unit 910 includes a power motor 911 and a turntable unit 912, the power motor 911 is fixed on the lower side of the material guide trough 410 and the turntable unit 912 is arranged at the output end of the power motor 911, the lower end of the vertical rod 920 extends to the front end surface of the turntable unit 912 and the vertical rod 920 is provided with a through groove unit 940 along the length direction of the rod, and the end surface of the vertical rod 920 is provided with an eccentric column 913 extending to the inner side of the through groove unit 940; in this embodiment of the present invention, the power motor 911 works and drives the turntable unit 912 to rotate, and the eccentric column 913 on the turntable unit 912 extends into the through groove unit 940, so the rotating eccentric column 913 drives the vertical rod 920 to move back and forth along the support slide 440.

[0037] In one embodiment, Figure 1 , Figure 2 and Figure 7 As shown, the wind-blowing and dropping assembly includes a material receiving component 500, a material blocking cover 600 arranged on the material receiving component 500, and a material distribution fan 700 arranged on the lower side of the material dropping chamber 420, the material distribution fan 700 is located at one end of the material blocking cover 600 and is fixedly connected to the outer frame 100, and the end of the material distribution fan 700 opposite to the material blocking cover 600 is hollowed out; the material receiving component 500 is provided with three material receiving troughs 510 and each material receiving trough 510 is provided with a discharge port 520 at the bottom, and the opening width of the middle material receiving trough 510 is greater than the opening widths of the other two material receiving troughs 510; in the embodiment of the present invention, the material distribution fan 700 works and acts on the millet falling through the material dropping chamber 420 through airflow The millet material and the impurities mixed therein move laterally under the action of the airflow. Due to the different densities of the impurities and the millet material, the weights of the two are different. Driven by the airflow, the impurities and the millet material will be scattered in different areas. Relatively light impurities such as rice husks move relatively quickly under the action of the airflow, so they will fall into the receiving trough 510 far away from the dividing fan 700. Relatively heavy impurities such as stones move relatively slowly under the action of the airflow, so they will fall into the receiving trough 510 closest to the dividing fan 700. The millet will fall to the receiving trough 510 in the middle position, so that the impurities with a volume not much different from the millet material can be quickly separated.

[0038] The above embodiment provides a millet processing and removing particulate impurities equipment, wherein, in the actual application process of the above embodiment, the millet material in the feed box 200 falls onto the screening mesh plate component 320 inside the screening guide trough 310, the power motor 911 and the material distribution fan 700 start to work and the power motor 911 drives the turntable part 912 to rotate, the eccentric column 913 on the turntable part 912 toggles the vertical rod 920 to move back and forth along the supporting slide 440, and the moving vertical rod 920 drives the screening guide trough 310 to reciprocate around the supporting shaft part 110 and the vertical rod 920 also moves through the bulk material transmission part 930, the reciprocating screening guide trough 310 drives multiple screening plates 330 to reciprocate around the supporting shaft part 110, and due to the meshing of the shaking rack part 360 and the upper arc-shaped rack 120, the multiple screening plates 330 reciprocate around the central axis 340, and the multiple screening plates 330 are stepped. The millet material and the impurities are distributed in a ladder shape and swing back and forth, thereby causing the millet material to shake and slowing down the speed at which the millet material moves to the screening guide trough 310, thereby improving the screening effect; the screened millet material falls into the guide trough 410 and moves along the guide trough 410 into the blanking chamber 420, and the moving bulk transmission part 930 acts on multiple bulk shafts 431 to rotate synchronously, and the bulk plates 432 on the bulk shafts 431 disperse the millet material and impurities falling in the blanking chamber 420 by swinging; the millet material and impurities continue to fall to the dividing fan 700, and the dividing fan 700 works and acts on the millet material falling through the blanking chamber 420 through airflow, and the millet material and the impurities mixed therein move laterally under the action of the airflow, and due to the different densities of the impurities and the millet material, the weights of the two are different; driven by the airflow, the impurities and the millet material will be scattered in different areas.

[0039] The above is only a specific implementation of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any person skilled in the art who is familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present disclosure, which should be included in the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be based on the protection scope of the claims.

Claims

1. A millet processing and particle impurity removal device, comprising an outer frame, a feed box and a material introduction and screening component, wherein the feed box is arranged on the top of the outer frame and is used to pre-store materials to be cleared of impurities, characterized in that: The material guiding and screening component is arranged on the inner side of the outer frame and comprises a screening material guiding trough in an inclined state and a screening mesh plate component installed inside the screening material guiding trough; One end of the screening guide trough is open and rotatably connected to the outer frame through a supporting shaft portion, the other end of the screening guide trough extends to the discharge port of the feed box and the bottom of the screening guide trough has a discharge port, and the screening mesh plate component has a stepped structure and covers the upper side of the discharge port; A material guiding and dispersing mechanism, a wind blowing and dropping assembly and a main driving component are arranged below the material guiding and screening component, and the material guiding and dispersing mechanism includes a material guiding trough and a dropping chamber; The material guide trough is located directly below the shaking rack part and is fixedly connected to the outer frame. The material drop chamber is arranged at one end of the material guide trough. The lower end of the material drop chamber extends to the upper side of the wind blowing and dropping component. A shaking scattering component for evenly dispersing the material in the material drop chamber is arranged inside the material drop chamber. The main driving component is arranged on the side of the material guide trough, one end of the main driving component is connected to the screening material guide trough and the other end is connected to the bottom of the screening material guide trough, the main driving component can drive the screening material guide trough to reciprocate around the axis of the supporting shaft part, and the main driving component also acts on the shaking scattering component and causes the shaking scattering component to disperse the material; The wind-blowing and dropping component is located at the lower side of the material-guiding and dispersing mechanism and is connected to the outer frame. The wind-blowing and dropping component is used to apply airflow to the material falling through the dropping chamber so that impurities and grains fall into different areas. The shaking and scattering assembly includes a plurality of scattering shafts; A plurality of bulk material shafts are rotatably arranged in the form of three groups in the blanking chamber, and one end of the bulk material shaft extends to the outer wall of the blanking chamber. A bulk material plate is arranged on each bulk material shaft, and the bulk material plate is in an inverted V-shaped structure. The main driving component is connected to the ends of the plurality of bulk material shafts extending to the outer wall of the material blanking chamber and drives the bulk material shafts to rotate alternately forward and reverse; The bulk material axes of two adjacent rows are staggered with each other and the maximum width of the bulk material plate is smaller than the diameter distance between two adjacent bulk material axes; The side wall of the material guide trough is provided with a supporting slideway, the side wall of the screening material guide trough is provided with a supporting slideway, and the supporting slideway is provided with a supporting slide seat that slides with the supporting slideway; The main driving component includes a power unit, a vertical rod and a bulk material transmission unit; The vertical rod is slidably arranged on the supporting slideway, an upper support seat is arranged on the top of the vertical rod and the upper support seat is rotatably connected to the supporting slide seat, the bulk material transmission part is arranged on the outer wall of the blanking chamber and the bulk material transmission part is connected to the ends of multiple bulk material shafts, and the bulk material transmission part is also connected to the vertical rod; The power unit is arranged on the material guide trough and connected to the vertical rod, and the power unit is used to drive the vertical rod to move back and forth along the supporting slideway; Each bulk material shaft is provided with a bulk material gear part, and the bulk material transmission part comprises a movable rod, a push-pull connecting rod part and three bulk material racks; The movable rod is slidably matched with the outer frame and is connected to the ends of the three bulk material racks, and the three bulk material racks are respectively meshed with the bulk material gear parts in the three groups; One end of the push-pull connecting rod is hinged to the side of the vertical rod and the other end is hinged to the side of the movable rod; The power unit includes a power motor and a turntable unit; The power motor is fixed on the lower side of the material guide trough and the turntable is arranged at the output end of the power motor. The lower end of the vertical rod extends to the front end surface of the turntable and the vertical rod is provided with a through groove along the length direction of the rod. An eccentric column extending to the inner side of the through groove is arranged on the end surface of the vertical rod.

2. The millet processing and particle impurity removal device according to claim 1 is characterized in that: The screening mesh plate component comprises a plurality of screening plates; A central shaft is arranged on the side of each screening plate, and the central shaft rotates and penetrates the side wall of the screening guide trough, and a shaking rack part is arranged at one end of the central shaft, and the shaking rack part is meshed with the upper arc-shaped rack arranged on the supporting shaft part; The two side walls of the screening plate are in contact with the inner wall of the screening guide trough; Two adjacent screening plates are connected together through a flexible connecting strip, and the lower end of the screening plate closest to the opening end of the screening material guiding trough is connected to the bottom of the screening material guiding trough through a flexible connecting strip.

3. The millet processing and particle impurity removal device according to claim 1 or 2, characterized in that: The wind-blowing and dropping assembly comprises a material receiving component, a material blocking cover arranged on the material receiving component and a material-splitting fan arranged on the lower side of the dropping chamber; The material distribution fan is located at one end of the material blocking cover and is fixedly connected to the outer frame, and the end of the material distribution fan opposite to the material blocking cover is hollowed out; The material receiving component is provided with three material receiving grooves and a material discharge port is arranged at the bottom of each material receiving groove. The opening width of the material receiving groove located in the middle is greater than the opening widths of the other two material receiving grooves.

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