Screening device for grain production
By introducing a toggle and discharge adjustment mechanism into the screening device for grain production, the problems of grain feeding blockage and uneven distribution have been solved, achieving continuous feeding and uniform screening, and improving screening efficiency.
Patent Information
- Application Number
- CN202520521200.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-24
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-03-24
AI Technical Summary
Existing grain screening devices are prone to material blockage when a large amount of grain is added at once, and the grain is unevenly distributed inside the screen frame, affecting the screening effect.
A screening device for grain production was designed, which includes a stirring mechanism and a discharge adjustment mechanism. The drive motor drives the turntable to rotate, and the plug rod moves back and forth in the hopper to stir the grain to prevent it from piling up. The rigid discharge pipe is driven to swing through the locking block and L-shaped connecting rod to achieve uniform grain distribution.
It effectively prevents hopper blockage, ensures continuous feeding, and allows grain to be evenly distributed within the screen frame, thus improving screening effect and efficiency.
Smart Images

Figure CN223946191U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of grain screening, in particular to a screening device for grain production. BACKGROUND
[0002] Screening in grain production is an important process step, mainly used for cleaning, grading and screening of post-harvest grain, removing impurities, screening out particles of different particle sizes and ensuring grain quality. Screening not only plays a key role in the production process of grain, but also directly affects the subsequent processing and storage, can greatly improve the efficiency of grain production and processing, and ensure the quality of the final product.
[0003] The existing grain needs to use the screening device in the screening process, but the existing screening device still has some problems in the actual use process, such as the hopper of the existing screening equipment will appear the problem of blocking due to adding a large amount of grain at a time, and the position of the discharge is always at the same position, which will cause the grain to accumulate at the same part of the screen frame, resulting in uneven scattering of the grain in the inside of the screen frame, affecting the subsequent screening effect. UTILITY MODEL CONTENT
[0004] In order to make up for the above shortcomings, the utility model provides a kind of screening device for grain production to overcome the above technical problems or at least partially solve the above problems.
[0005] The utility model is realized as follows:
[0006] The utility model provides a kind of screening device for grain production, including main frame body, the upper portion of main frame body is installed with screen frame, the both sides of screen frame are installed with vibration motor, the bottom surface of screen frame is fixedly installed with guide frame, the side of screen frame is equipped with discharge chute, the side of screen frame is fixedly installed with guide hopper, the top surface of main frame body is fixedly installed with stand, the side of stand is fixedly installed with hopper, the bottom end of hopper is fixedly connected with corrugated discharge pipe, the bottom end of corrugated discharge pipe is fixedly installed with hard discharge pipe, the inside of hopper is provided with poking mechanism, the outside of hopper is provided with corrugated discharge pipe;
[0007] The poking mechanism includes mounting plate, the mounting plate is fixedly installed on the top surface of hopper, the top of mounting plate is provided with drive motor, the output end of drive motor extends to the bottom surface of mounting plate, and is fixedly installed with turntable;
[0008] The discharge adjusting mechanism includes external connection frame, and the external connection frame is fixedly installed on the side surface of the hopper.
[0009] In a preferred scheme, two plug-in rods are movably plugged in the two sides of the hopper, and a rectangular frame is arranged between the two plug-in rods, and the two ends of the two plug-in rods are fixedly connected with the two side surfaces of the rectangular frame.
[0010] In a preferred scheme, the bottom surface of the rotary disc is fixedly connected with a plug-in column, the top surface of the rectangular frame is provided with a through groove, and the plug-in column is plugged in the inside of the through groove.
[0011] In a preferred scheme, the outer surfaces of the plug-in rods are fixedly installed with fixing frames, the bottom surfaces of the fixing frames are fixedly connected with connecting shafts, and the outer surfaces of the connecting shafts are fixedly installed with toggle plates.
[0012] In a preferred scheme, the top surface of the mounting plate is fixedly installed with a mounting frame, and the driving motor is fixedly installed in the inside of the mounting frame.
[0013] In a preferred scheme, the inside of the external connecting frame is movably clamped with a clamping block, the bottom surface of the clamping block is fixedly installed with an L-shaped connecting rod, one end of the L-shaped connecting rod is fixedly installed with a mounting sleeve ring, and the mounting sleeve ring is fixedly sleeved on the outer surface of the hard discharging pipe.
[0014] In a preferred scheme, the side surface of the hopper is provided with a clamping groove, and the inside of the clamping groove is movably clamped with a clamping plate.
[0015] In a preferred scheme, one end of the clamping plate is fixedly connected with the side surface of the rectangular frame, and the clamping plate and the clamping block are fixedly connected with a stand column.
[0016] The grain production screening device has the following beneficial effects.
[0017] 1. The driving mechanism is arranged, the driving motor is started, the rotary disc is driven to rotate, the two plug-in rods are driven to move back and forth in the inside of the hopper under the action of the plug-in column and the through groove, the fixing frame, the connecting shaft and the toggle plate are driven to move back and forth in the inside of the hopper, the grain in the inside of the hopper is stirred, the grain is prevented from being accumulated in the inside of the hopper, and the problem of blockage and unloading is avoided.
[0018] 2. The discharging adjusting mechanism is arranged, the clamping block is driven to move synchronously in the inside of the external connecting frame under the action of the clamping plate and the stand column when the rectangular frame drives the plug-in rod to move back and forth at the temple of the hopper, the L-shaped connecting rod is driven to move synchronously in the process of movement, the mounting sleeve ring is driven to move, the hard discharging pipe can swing above the sieve frame, and the grain can be uniformly scattered in the inside of the sieve frame. Attached Figure Description
[0019] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained from these drawings without creative effort.
[0020] Figure 1 This is an overall perspective view provided by an embodiment of the present utility model;
[0021] Figure 2 A schematic diagram of the internal structure of the hopper provided for an embodiment of this utility model;
[0022] Figure 3 A schematic diagram of the rectangular frame structure provided for an embodiment of this utility model;
[0023] Figure 4 This is a schematic diagram of the overall front view of an embodiment of the present utility model.
[0024] In the diagram: 1. Main frame; 2. Screen frame; 3. Discharge chute; 4. Guide hopper; 5. Guide frame; 6. Vibrating motor; 7. Vertical frame; 8. Hopper; 9. Actuating mechanism; 91. Mounting plate; 92. Drive motor; 93. Mounting frame; 94. Turntable; 95. Rectangular frame; 96. Connecting rod; 97. Fixing frame; 98. Connecting shaft; 99. Actuating plate; 910. Through slot; 911. Connecting post; 10. Discharge adjustment mechanism; 101. External frame; 102. Snap-fit block; 103. Vertical column; 104. Snap-fit groove; 105. Snap-fit plate; 106. L-shaped connecting rod; 107. Mounting collar; 11. Corrugated discharge pipe; 12. Rigid discharge pipe. Detailed Implementation
[0025] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.
[0026] Reference Figures 1-4The utility model provides a technical scheme: a screening device for grain production, including main frame body 1, the top of main frame body 1 is installed with sieve frame 2, the both sides of sieve frame 2 are installed with vibrating motor 6, the bottom surface fixed mounting of sieve frame 2 has guide frame 5, the one side of sieve frame 2 is provided with discharge chute 3, the one side fixed mounting of sieve frame 2 has guide hopper 4, the top surface fixed mounting of main frame body 1 has stand 7, the one side fixed mounting of stand 7 has hopper 8, the bottom end fixed connection of hopper 8 has bellows discharge pipe 11, the bottom end fixed mounting of bellows discharge pipe 11 has hard discharge pipe 12, the inside of hopper 8 is provided with poking mechanism 9, the outside of hopper 8 is provided with discharge adjusting mechanism 10,
[0027] When using, first, the grain that needs to be screened is added to the inside of hopper 8, then vibrating motor 6 is started by control, vibrating motor 6 can drive sieve frame 2 to move in the inside of main frame body 1 during the process of starting, thereby the grain in the inside of hopper 8 is screened to sieve frame 2, the grain that does not meet the requirement and impurity fall down through guide frame 5, the grain that meets the requirement reaches discharge chute 3, and finally enters the inside of guide hopper 4, and is discharged through guide hopper 4, thereby the screening operation of grain is completed.
[0028] Poking mechanism 9 includes mounting plate 91, mounting plate 91 is fixedly installed on the top surface of hopper 8, the top of mounting plate 91 is provided with drive motor 92, the output end of drive motor 92 extends to the bottom surface of mounting plate 91, and is fixedly installed with turntable 94;
[0029] Two plug-in rods 96 are movably inserted into the both sides of hopper 8, a rectangular frame 95 is arranged between the two plug-in rods 96, one end of each of the two plug-in rods 96 is fixedly connected to the both side surfaces of the rectangular frame 95, the bottom surface of the turntable 94 is fixedly connected with a plug-in column 911, a through slot 910 is formed through the top surface of the rectangular frame 95, the plug-in column 911 is inserted into the through slot 910, a fixing frame 97 is fixedly installed on the outer surface of each of the plug-in rods 96, a connecting shaft 98 is fixedly installed on the bottom surface of each of the fixing frames 97, and a poking plate 99 is fixedly installed on the outer surface of the connecting shaft 98.
[0030] When working, in the actual use process, drive motor 92 is started by control, the turntable 94 is driven to rotate during the process of starting of drive motor 92, the two plug-in rods 96 are driven to move back and forth in the inside of hopper 8 under the action of the plug-in column 911 and the through slot 910 during the process of rotation of the turntable 94, and then the fixing frame 97, the connecting shaft 98 and the poking plate 99 are driven to move back and forth in the inside of hopper 8, thereby the grain in the inside of hopper 8 is poked, the grain is prevented from accumulating in the inside of hopper 8, the problem of blockage and failure to discharge is prevented, and the continuous discharging of hopper 8 is ensured.
[0031] The top surface of the mounting plate 91 is fixedly mounted with a mounting rack 93, the driving motor 92 is fixedly mounted in the mounting rack 93, the mounting rack 93 can stably mount the driving motor 92, so that the driving motor 92 is more stable during operation.
[0032] The discharge adjusting mechanism 10 comprises an external rack 101 fixedly mounted on one side surface of the hopper 8, a clamping block 102 movably clamped in the internal rack 101, an L-shaped connecting rod 106 fixedly mounted on the bottom surface of the clamping block 102, an installation sleeve ring 107 fixedly mounted on one end of the L-shaped connecting rod 106, the installation sleeve ring 107 fixedly sleeved on the outer surface of the hard discharge pipe 12, a clamping groove 104 formed on one side surface of the hopper 8, a clamping plate 105 movably clamped in the clamping groove 104, and a stand column 103 fixedly connected between the clamping plate 105 and the clamping block 102.
[0033] In work, when the rectangular rack 95 drives the plug-in rod 96 to move back and forth on the temple of the hopper 8, the clamping block 102 is driven to move synchronously in the external rack 101 under the action of the clamping plate 105 and the stand column 103, the L-shaped connecting rod 106 is driven to move synchronously, and the installation sleeve ring 107 is driven to move, so that the hard discharge pipe 12 can swing above the sieve frame 2, and the grain can be more evenly scattered in the sieve frame 2.
[0034] Specifically, the working process or working principle of the screening device for grain production is as follows: in use, the vibration motor 6 is started by control, and the vibration motor 6 can drive the sieve frame 2 to move in the main frame body 1 during the starting process, so as to screen the grain in the hopper 8 entering the inside of the sieve frame 2. The grain and impurities that do not meet the requirements are dropped downward through the guide frame 5, and the grain that meets the requirements reaches the discharge chute 3 and finally enters the inside of the guide hopper 4, and is uniformly discharged through the guide hopper 4, so as to complete the screening work of the grain. The driving motor 92 is started by control, and the driving motor 92 can drive the rotating disc 94 to rotate during the starting process. The rotating disc 94 can drive the two plug-in rods 96 to move back and forth in the hopper 8 under the action of the plug-in column 911 and the through slot 910 during the rotation process, so as to drive the fixed frame 97, the connecting shaft 98 and the stirring plate 99 to move back and forth in the hopper 8, so as to realize the stirring of the grain in the hopper 8. When the rectangular frame 95 drives the plug-in rod 96 to move back and forth at the temple of the hopper 8, the clamping block 102 can move synchronously in the external frame 101 under the action of the clamping plate 105 and the column 103, and can drive the L-shaped connecting rod 106 to move synchronously during the movement process, so as to drive the mounting sleeve ring 107 to move, so that the hard discharge pipe 12 can swing above the sieve frame 2, so that the grain can be more evenly scattered in the sieve frame 2.
[0035] It should be noted that the vibration motor 6 and the mounting plate 91 are devices or equipment existing in the prior art or devices or equipment that can be realized in the prior art, and their power supply, specific composition and principles are clear to those skilled in the art, so they will not be described in detail.
Claims
1. A grain screening device, comprising a main frame (1), a screen frame (2) mounted on top of the main frame (1), and vibrating motors (6) mounted on both sides of the screen frame (2), characterized in that, A guide frame (5) is fixedly installed on the bottom surface of the screen frame (2). A discharge trough (3) is opened on one side of the screen frame (2). A guide bucket (4) is fixedly installed on one side of the screen frame (2). A vertical frame (7) is fixedly installed on the top surface of the main frame (1). A hopper (8) is fixedly installed on one side of the vertical frame (7). A corrugated discharge pipe (11) is fixedly connected to the bottom end of the hopper (8). A rigid discharge pipe (12) is fixedly installed at the bottom end of the corrugated discharge pipe (11). A toggle mechanism (9) is provided inside the hopper (8). A discharge adjustment mechanism (10) is provided on the outside of the hopper (8). The actuating mechanism (9) includes a mounting plate (91), which is fixedly mounted on the top surface of the hopper (8). A drive motor (92) is provided above the mounting plate (91), and the output end of the drive motor (92) extends to the bottom surface of the mounting plate (91) and is fixedly mounted on a turntable (94). The discharge adjustment mechanism (10) includes an external frame (101), which is fixedly installed on one side surface of the hopper (8).
2. The screening device for grain production according to claim 1, characterized in that, Two plug rods (96) are movably inserted into both sides of the hopper (8), and a rectangular frame (95) is provided between the two plug rods (96). One end of each plug rod (96) is fixedly connected to the two side surfaces of the rectangular frame (95).
3. A screening device for grain production according to claim 2, characterized in that, The bottom surface of the turntable (94) is fixedly connected with a plug post (911), and the top surface of the rectangular frame (95) is provided with a through groove (910), and the plug post (911) is inserted into the inside of the through groove (910).
4. A screening device for grain production according to claim 3, characterized in that, The outer surface of each plug rod (96) is fixedly mounted with a fixing bracket (97), and both ends of the bottom surface of the fixing bracket (97) are fixedly connected with a connecting shaft (98). The outer surface of the connecting shaft (98) is fixedly mounted with a toggle plate (99).
5. A screening device for grain production according to claim 4, characterized in that, The mounting plate (91) has a mounting bracket (93) fixedly mounted on its top surface, and the drive motor (92) is fixedly mounted inside the mounting bracket (93).
6. A screening device for grain production according to claim 5, characterized in that, The external frame (101) is internally connected to a snap-fit block (102), and an L-shaped connecting rod (106) is fixedly installed on the bottom surface of the snap-fit block (102). An installation collar (107) is fixedly installed at one end of the L-shaped connecting rod (106), and the installation collar (107) is fixedly sleeved on the outer surface of the rigid discharge pipe (12).
7. A screening device for grain production according to claim 6, characterized in that, A snap-fit groove (104) is provided on one side surface of the hopper (8), and a snap-fit plate (105) is movably snapped into the inside of the snap-fit groove (104).
8. A screening device for grain production according to claim 7, characterized in that, One end of the snap-fit plate (105) is fixedly connected to one side surface of the rectangular frame (95), and a column (103) is fixedly connected between the snap-fit plate (105) and the snap-fit block (102).