Screening machine for grain processing
By employing a spiral strip and screen hole structure inside the screen cylinder in a grain processing screening machine, combined with a ventilation and feeding mechanism, the problem of the inability to process grains of different sizes simultaneously in existing technologies has been solved, achieving efficient screening and impurity removal.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-26
- Publication Date
- 2026-03-24
AI Technical Summary
Existing grain screening machines cannot process grains of different sizes simultaneously, resulting in poor performance and increased processing costs.
A screening machine for grain processing was designed, which uses a spiral strip and screen hole structure inside the screen cylinder, combined with a ventilation mechanism and a feeding mechanism, to achieve screening of grains of different sizes and removal of impurities.
It achieves efficient screening and impurity removal of grains of different sizes, improving the effectiveness and efficiency of the equipment.
Smart Images
Figure CN224025709U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a screening machine technical field especially relates to a screening machine for grain processing. BACKGROUND
[0002] Grain is the necessity for our human survival, is the special commodity that relates national economy and people's livelihood, and grain processing mainly includes: rice milling, wheat flour milling, corn and coarse grain processing, and the grain is usually selected in the processing process some impurities to make the grain more pure, and the grain screening machine is usually used.
[0003] When screening grain such as rice, wheat and other cereals using the screening machine, since different grain particle sizes are different, the existing screening machines used for different grains are also different, but the same screening machine cannot be used for grains of different sizes, thereby reducing the use effect of the screening machine, and this method is not convenient to use, and also increases the grain processing cost, therefore, the above problems need to be solved. UTILITY MODEL CONTENT
[0004] The utility model aims at solving the shortcomings in the prior art and provides a screening machine for grain processing.
[0005] In order to achieve the above object, the utility model adopts the following technical scheme:
[0006] A screening machine for grain processing, including screening box, the screening box inside rotationally connected with sieve cylinder, the sieve cylinder is horizontally arranged, the sieve cylinder is internally provided with a screening mechanism, the bottom of screening box is fixedly connected with base, the base is communicated with the inside of screening box, the inside of base is fixedly connected with inclined plate, the inside of base is provided with ventilation mechanism, the surface of screening box one end is fixedly connected with fixed box, the surface of screening box is provided with conveying pipe, the conveying pipe top end is inserted in the inside of fixed box, the inside of conveying pipe is provided with feeding mechanism, through the spiral strip arranged in the inside of sieve cylinder, the grain in the inside of sieve cylinder can slide to the other end of the box through the action of spiral strip when the sieve cylinder is rotated, and the impurities in the grain can also be screened and leaked downward, then the grain can be conveyed after passing through the screen hole of corresponding size, so that the grain of different sizes can be screened, and the use effect of the device is improved.
[0007] Preferably, the screening mechanism includes a spiral strip, opposite sides of the screening box are fixedly connected with first fixed rings, both ends of the screening cylinder are rotatably sleeved in the first fixed rings, the spiral strip is fixedly connected to the inner wall of the screening cylinder, the surface of the screening cylinder is sleeved with second fixed rings, the surface of the screening cylinder is provided with a plurality of screening holes, the plurality of screening holes are evenly distributed in a ring shape, the plurality of screening holes on one side of each second fixed ring are different in size, one end of the screening cylinder is fixedly connected with a fixed plate, the surface of the screening box is fixedly connected with a side plate away from the conveying pipe, the surface of the side plate is provided with a second motor, the output end of the second motor is fixedly connected to the center of the surface of the fixed plate, a plurality of supporting plates are vertically and fixedly connected in the screening box, the screening cylinder is rotatably sleeved in the supporting plates, and the supporting plates are arranged on the outer surfaces of the second fixed rings and used for limiting the rotation of the screening cylinder.
[0008] Further, the ventilation mechanism includes a fan, a plurality of baffles are vertically and fixedly connected in the base, the baffles are fixedly connected to the top of the inclined plate, a plurality of discharge ports are formed in one side of the surface of the base, the discharge ports are arranged at the lower ends of the baffles, a plurality of receiving boxes are mounted on one side of the surface of the base, the receiving boxes are arranged on the surfaces of the discharge ports, a plurality of connecting rings are arranged on one side of the surface of the base close to the discharge ports, the connecting rings are arranged on one side of the inclined plate away from the conveying pipe, a plurality of fans are arranged, and the fans are mounted in the connecting rings, a plurality of communication pipes are fixedly connected to one side of the surface of the base away from the fans, the communication pipes are arranged on the top of the baffles, the communication pipes correspond to the fans, the surface of the base is provided with a collecting box, one end of the communication pipes is fixedly connected to the surface of the collecting box, and the surface of the collecting box, away from the communication pipes, is provided with a ventilation net.
[0009] Preferably, the feeding mechanism comprises an auger, the fixed box is internally fixedly connected with a guide plate, the guide plate is arranged obliquely, the top end of the conveying pipe is arranged on the top of the guide plate, a feeding port is formed on the surface of the fixed box close to one side of the screening box, the feeding port is arranged on the lower end of the guide plate, the feeding port is in communication with the interior of the screening box, the feeding port is arranged in the interior of one end of the screening cylinder, the auger is rotatably connected in the interior of the conveying pipe, a discharging port is formed on the top surface of the conveying pipe, the discharging port is arranged in the interior of the fixed box, a discharging box is fixedly connected to the bottom surface of the conveying pipe and is in communication with the interior of the conveying pipe, a first motor is mounted on the bottom of the conveying pipe, the output end of the first motor is fixedly connected to the lower end of the conveying pipe, and support frames are fixedly connected to the surface of the discharging box on both sides thereof symmetrically, for rotating the auger, so that the grain in the interior of the discharging box can be conveyed.
[0010] The grain processing screening machine has the advantages that:
[0011] 1. When in use, the spiral strips arranged in the interior of the screening cylinder can make the grain in the interior of the screening cylinder slide to the other end through the action of the spiral strips when the screening cylinder is rotated, and at the same time, the impurities in the grain can be screened and leaked downward, and then the grain can be conveyed after passing through the screen holes of corresponding sizes, so that the grain of different sizes can be screened, and the use effect of the device is improved.
[0012] 2. According to the position where the grain falls to the interior of the base, the fan at the position is driven, so that the falling grain can be blown, the chaff in the grain is collected into the collecting box through the blowing, and the grain is screened again through the filtering of the air-permeable net, so that the use effect of the device is improved. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 A front view of the grain processing screening machine is provided for the utility model;
[0014] Figure 2 A feeding schematic view of the grain processing screening machine is provided for the utility model;
[0015] Figure 3 A ventilation schematic view of the grain processing screening machine is provided for the utility model;
[0016] Figure 4 A surface structure sectional view of the grain processing screening machine is provided for the utility model;
[0017] Figure 5 A surface structure sectional view of the screening cylinder of the grain processing screening machine is provided for the utility model.
[0018] As shown in the figure: 1, screening box; 11, side plate; 12, first fixed ring; 13, support plate; 2, base; 21, baffle; 22, inclined plate; 23, discharge port; 24, receiving box; 25, connecting ring; 26, fan; 27, communication pipe; 3, conveying pipe; 31, discharge port; 32, discharging box; 4, fixed box; 41, guide plate; 42, feed inlet; 5, support frame; 6, auger; 61, first motor; 7, collecting box; 71, air-permeable mesh; 8, screen cylinder; 81, second fixed ring; 82, screen hole; 83, spiral strip; 84, fixed plate; 85, second motor. DETAILED DESCRIPTION
[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.
[0020] Referring to Figures 1-5 A screening machine for grain processing, comprising a screening box 1, a screen cylinder 8 is rotatably connected inside the screening box 1, the screen cylinder 8 is horizontally arranged, a screening mechanism is arranged inside the screen cylinder 8, a base 2 is fixedly connected to the bottom of the screening box 1, the base 2 is communicated with the inside of the screening box 1, an inclined plate 22 is fixedly connected inside the base 2, a ventilation mechanism is arranged inside the base 2, a fixed box 4 is fixedly connected to one end of the surface of the screening box 1, a conveying pipe 3 is arranged on the surface of the screening box 1, the conveying pipe 3 is inserted into the inside of the fixed box 4, a feeding mechanism is arranged inside the conveying pipe 3, through the spiral strip 83 arranged inside the screen cylinder 8, the grain inside the screen cylinder 8 can slide to the other end of the box through the action of the spiral strip 83 when the screen cylinder 8 is rotated, at the same time, the impurities inside the grain can be screened and leaked downward, then the grain can be conveyed after passing through the screen hole 82 of corresponding size, so that the grains of different sizes can be screened, and the use effect of the device is improved.
[0021] Referring to Figure 1 , Figure 3 and Figure 5In an preferred embodiment, the screening mechanism includes a spiral strip 83, the screening box 1 is fixedly connected with a first fixed ring 12 on opposite sides inside, the screening cylinder 8 is rotatably sleeved in the first fixed ring 12 at both ends, the spiral strip 83 is fixedly connected to the inner wall of the screening cylinder 8, a plurality of second fixed rings 81 are sleeved on the surface of the screening cylinder 8, a plurality of screen holes 82 are formed in the surface of the screening cylinder 8, the plurality of screen holes 82 are evenly distributed in a ring shape, the plurality of screen holes 82 on one side of each second fixed ring 81 are different in size, the screening cylinder 8 is fixedly connected with a fixed plate 84 at one end, the surface of the screening box 1 away from the conveying pipe 3 is fixedly connected with a side plate 11, the surface of the side plate 11 is provided with a second motor 85, the output end of the second motor 85 is fixedly connected to the center of the surface of the fixed plate 84, a plurality of support plates 13 are vertically fixedly connected inside the screening box 1, the screening cylinder 8 is rotatably sleeved in the plurality of support plates 13, the plurality of support plates 13 are arranged on the outer surfaces of the plurality of second fixed rings 81, for limiting the rotation of the screening cylinder 8, and the grain in the screening cylinder 8 can be conveyed through the action of the spiral strip 83.
[0022] With reference to Figure 3 And Figure 4 In an preferred embodiment, the ventilation mechanism includes a fan 26, a plurality of baffles 21 are vertically fixedly connected inside the base 2, the plurality of baffles 21 are fixedly connected to the top of the inclined plate 22, a plurality of discharge ports 23 are formed in one side of the surface of the base 2, the plurality of discharge ports 23 are arranged at the lower end of the baffle 21, a plurality of material receiving boxes 24 are mounted on one side of the surface of the base 2, the plurality of material receiving boxes 24 are arranged on the surface of the plurality of discharge ports 23, a plurality of connecting rings 25 are arranged on one side of the base 2 close to the plurality of discharge ports 23, the plurality of connecting rings 25 are arranged on one side of the inclined plate 22 away from the conveying pipe 3, the fan 26 is provided with a plurality of fans 26, the plurality of fans 26 are rotatably sleeved in the plurality of connecting rings 25, a plurality of communication pipes 27 are fixedly connected to one side of the surface of the base 2 away from the plurality of fans 26, the plurality of communication pipes 27 are arranged on the top of the baffle 21, the plurality of communication pipes 27 are respectively corresponding to the plurality of fans 26, the base 2 is provided with a collection box 7, one end of the plurality of communication pipes 27 is fixedly connected to the surface of the collection box 7, the surface of the collection box 7 away from the plurality of communication pipes 27 is provided with a ventilation net 71, for blowing the inside of the base 2, so that the impurities in the falling grain are blown into the collection box 7 through the communication pipe 27 again.
[0023] With reference to Figure 1 And Figure 2In a preferred embodiment, the feeding mechanism includes an auger 6, a guide plate 41 is fixedly connected inside the fixed box 4, the guide plate 41 is arranged obliquely, the top end of the conveying pipe 3 is arranged on the top of the guide plate 41, a feeding port 42 is formed on the surface of the fixed box 4 close to one side of the screening box 1, the feeding port 42 is arranged at the lower end of the guide plate 41, the feeding port 42 is in communication with the inside of the screening box 1, the feeding port 42 is arranged inside one end of the screening cylinder 8, the auger 6 is rotatably connected inside the conveying pipe 3, a discharging port 31 is formed on the top surface of the conveying pipe 3, the discharging port 31 is arranged inside the fixed box 4, a discharging box 32 is fixedly connected to the bottom surface of the conveying pipe 3, the discharging box 32 is in communication with the inside of the conveying pipe 3, a first motor 61 is mounted at the bottom of the conveying pipe 3, the output end of the first motor 61 is fixedly connected to the lower end of the conveying pipe 3, support frames 5 are fixedly connected to the surface of the discharging box 32 on both sides, and the auger 6 is rotated, so that the grain placed in the discharging box 32 can be conveyed.
[0024] From the above description, it can be seen that the above-mentioned embodiments of the utility model realize the following technical effects: in actual use, the spiral strips 83 arranged inside the screening cylinder 8 can make the grain inside the screening cylinder 8 slide to the other end through the action of the spiral strips 83 when the screening cylinder 8 is rotated, and at the same time, the impurities inside the grain are screened and fall downwards, and then when the grain can pass through the screen holes 82 of corresponding sizes, the grain can be conveyed, so that different sizes of grain can be screened, thereby improving the use effect of the device, when in use, the grain to be screened can be placed in the discharging box 32, then the first motor 61 is driven to make the auger 6 rotate, so that the grain placed in the discharging box 32 can be conveyed to the inside of the fixed box 4 through the conveying pipe 3, then the grain slides to the inside of the screening cylinder 8 through the guide plate 41 arranged inside the fixed box 4, at this time, the second motor 85 is driven to rotate the screening cylinder 8, the plurality of screen holes 82 arranged on the surface of the screening cylinder 8, and the sizes of the screen holes 82 on one side of each second fixed ring 81 are different, the screen holes 82 close to one end of the fixed box 4 become smaller and smaller, at this time, the impurities in the grain conveyed to the inside of the screening cylinder 8 are screened through the screen holes 82, the smaller impurities and chaff fall downwards through the screen holes 82, then the spiral strips 83 arranged inside the screening cylinder 8 make the grain inside the screening cylinder 8 slide to the other end under the rotation of the screening cylinder 8, and the impurities in the grain are continuously screened, when the grain slides to the position of the screen hole 82 matched therewith, the grain falls downwards, then the grain and impurities fall to the top of the inclined plate 22 inside the base 2, are blocked by the plurality of baffles 21, and are collected in different receiving boxes 24, at this time, the fan 26 at the position can be driven according to the position where the grain falls, so that the falling grain can be blown, thereby making the chaff in the grain collected in the collecting box 7 through blowing, and filtered through the air-permeable net 71.
[0025] For purposes of the description hereinafter, the terms "upper", "lower", "right", "left", "rear", "front", "vertical" and "horizontal" as can be perceived herein relative to the accompanying drawings refer to the orientation of the components being described. However, it is to be understood that the exemplary embodiments described herein can assume different alternative orientations, except where expressly specified to the contrary. It is also to be understood that the specific devices illustrated in the attached drawings, and described in the following specification are exemplary embodiments only and should not be typically construed as limiting the scope of the present application.
[0026] It is also important to note that the term "or" as used herein is intended to mean any possible combination of the enumerated items inter alia. For example, a condition A or B is satisfied by any one of the following: A is true (or present) and B is false (or not present), A is false (or not present) and B is true (or present), and some combination thereof. As used herein, the term "if' can be construed to mean "when" or "upon" or "in response to the happening or occurrence of.
[0027] It should be noted that the terms "first", "second", and the like, as used herein, are intended to modify as the case can be, and do not specifically signify location, order, or importance of one component with respect to another, unless specifically so stated. It is also to be understood that the use of the terms "and / or" and "or" and "at least one of' includes any and all combinations of one or more of the associated listed items. It is further noted that the use of certain terms or terminology in the present disclosure is not intended to limit the scope of the application to the specific embodiments described herein. Rather, it is contemplated that the application includes a variety of embodiments that can be practiced in accordance with the general principles of the application.
[0028] The preferred embodiments of the present application have been described herein above with the understanding that solely the preferred embodiments and obviously many modifications thereof are provided for illustrative purposes as to the best mode for carrying out the present application. It is recognized that additional embodiments of the present application will become apparent to those skilled in the art from the preceding description. Any modifications of the application in keeping with the spirit of the application are intended to be included within the scope of the appended claims.
Claims
1. A grain processing screening machine, comprising a screening box (1), characterized in that, The screening box (1) is rotatably connected to a screen cylinder (8), which is horizontally arranged. A screening mechanism is provided inside the screen cylinder (8). A base (2) is fixedly connected to the bottom of the screening box (1). The base (2) is connected to the inside of the screening box (1). An inclined plate (22) is fixedly connected inside the base (2). A ventilation mechanism is provided inside the base (2). A fixed box (4) is fixedly connected to one end of the surface of the screening box (1). A conveying pipe (3) is provided on the surface of the screening box (1). The top end of the conveying pipe (3) is inserted into the fixed box (4). A feeding mechanism is provided inside the conveying pipe (3).
2. The grain processing screening machine according to claim 1, characterized in that, The screening mechanism includes a spiral strip (83). The screening box (1) has two opposing first fixing rings (12) fixedly connected inside. The two ends of the screen cylinder (8) are respectively rotatably fitted inside the two first fixing rings (12). The spiral strip (83) is fixedly connected to the inner wall of the screen cylinder (8). The surface of the screen cylinder (8) is fitted with multiple second fixing rings (81). The surface of the screen cylinder (8) has multiple screen holes (82). The multiple screen holes (82) are evenly distributed in a ring. The aperture size of the multiple screen holes (82) on one side of each second fixing ring (81) is different.
3. The grain processing screening machine according to claim 2, characterized in that, One end of the screen cylinder (8) is fixedly connected to a fixing plate (84), and the end of the screening box (1) away from the conveying pipe (3) is fixedly connected to a side plate (11). A second motor (85) is installed on the surface of the side plate (11), and the output end of the second motor (85) is fixedly connected to the center of the surface of the fixing plate (84). Multiple support plates (13) are vertically fixedly connected inside the screening box (1), and the screen cylinder (8) is rotatably sleeved inside the multiple support plates (13). The multiple support plates (13) are respectively set on the outer surface of multiple second fixing rings (81).
4. The grain processing screening machine according to claim 1, characterized in that, The ventilation mechanism includes a fan (26). Multiple baffles (21) are vertically fixed inside the base (2). The multiple baffles (21) are all fixedly connected to the top of the inclined plate (22). Multiple discharge ports (23) are opened on one side of the surface of the base (2). The multiple discharge ports (23) are respectively located at the lower end of the baffles (21). Multiple receiving boxes (24) are installed on one side of the surface of the base (2). The multiple receiving boxes (24) are respectively located on the surface of the multiple discharge ports (23). Multiple connecting rings (25) are provided on the side of the surface of the base (2) near the multiple discharge ports (23). The multiple connecting rings (25) are respectively located on the side of the inclined plate (22) away from the end of the conveying pipe (3). Multiple fans (26) are provided. The multiple fans (26) are respectively installed inside the multiple connecting rings (25).
5. The grain processing screening machine according to claim 4, characterized in that, Multiple connecting pipes (27) are fixedly connected to the side of the base (2) away from the multiple fans (26). The multiple connecting pipes (27) are all set on the top of the baffle (21). The multiple connecting pipes (27) correspond to the multiple fans (26) respectively. A collection box (7) is provided on the surface of the base (2). One end of the multiple connecting pipes (27) is fixedly connected to the surface of the collection box (7). A ventilation net (71) is provided on the side of the collection box (7) away from the multiple connecting pipes (27).
6. The grain processing screening machine according to claim 1, characterized in that, The feeding mechanism includes an auger (6), a guide plate (41) is fixedly connected inside the fixed box (4), the guide plate (41) is inclined, the top of the conveying pipe (3) is located on the top of the guide plate (41), the surface of the fixed box (4) is provided with a feed inlet (42) on the side near the screening box (1), the feed inlet (42) is located at the lower end of the guide plate (41), the feed inlet (42) is connected to the inside of the screening box (1), the feed inlet (42) is located inside one end of the screen cylinder (8), and the auger (6) is rotatably connected to the inside of the conveying pipe (3).
7. The grain processing screening machine according to claim 6, characterized in that, The top surface of the conveying pipe (3) is provided with a discharge port (31), which is located inside the fixed box (4). The bottom surface of the conveying pipe (3) is fixedly connected to a discharge box (32), which is connected to the inside of the conveying pipe (3). A first motor (61) is installed at the bottom of the conveying pipe (3), and the output end of the first motor (61) is fixedly connected to the lower end of the conveying pipe (3). Support frames (5) are fixedly connected to both sides of the surface of the discharge box (32).