Grading screening device for tomato seed processing
By combining the cylindrical grading and screening components with the reciprocating vibration auxiliary components, the problems of inaccurate particle size classification and low screening efficiency in existing devices are solved, and precise grading and efficient screening of tomato seeds are achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HUBEI YOUMIN AGRICULTURAL TECHNOLOGY CO LTD
- Filing Date
- 2025-01-21
- Publication Date
- 2026-04-10
AI Technical Summary
Existing tomato seed screening devices lack a cylindrical grading and screening component, making it difficult to accurately grade the seeds. Seeds also tend to accumulate at the mesh openings of the screening cylinder, leading to blockages and low screening efficiency.
The system employs a cylindrical grading and screening component and a reciprocating vibration auxiliary component. The cylindrical grading and screening component achieves precise particle size classification by setting progressively larger mesh openings on the outer wall of the screening cylinder, while the reciprocating vibration auxiliary component reduces seed accumulation through reciprocating vibration, ensuring smooth screening.
It achieves precise particle size grading of tomato seeds and improves screening efficiency, avoids mesh clogging, and increases the screening throughput per unit time.
Smart Images
Figure CN224101160U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to seed screening device technical field, concretely relates to a kind of grading screening device of tomato seed processing. BACKGROUND
[0002] In the field of tomato seed processing, the existing grading screening device plays an important role in the seed processing process. Common grading screening devices usually use vibrating screens to achieve seed grading. During operation, tomato seeds are placed on the vibrating screen, and the seeds are separated into different grades according to particle size through screens with different aperture sizes. Some advanced devices are equipped with automatic feeding systems, which can continuously and stably deliver seeds to the screen, improving screening efficiency. Moreover, some devices are designed with easy cleaning in mind, making it easy to clean between different batches of seed screening, ensuring the purity of seed processing. The existing technology has the following problems:
[0003] The existing tomato seed screening device lacks a cylindrical grading and screening assembly, making it difficult to accurately classify tomato seeds by particle size. Different particle sizes may mix together, which cannot meet the strict requirements of fine planting for seed particle size, resulting in low grading and screening accuracy. In addition, the existing device lacks reciprocating oscillation assistance, and seeds are prone to accumulate at the mesh of the screening cylinder, causing mesh blockage and increasing the time required for the entire screening process, reducing screening efficiency. SUMMARY
[0004] The utility model provides a kind of grading screening device of tomato seed processing to solve the problems raised in the above background technology.
[0005] To solve the above technical problems, the utility model employs the following technical solutions:
[0006] A grading screening device for tomato seed processing includes a bottom frame, a moving plate is provided on the top of the bottom frame, a central controller is fixedly connected to the right side of the front side wall of the bottom frame, a fixed frame is fixedly connected to the top of the moving plate, a cylindrical grading and screening assembly is provided on the top of the fixed frame, and a reciprocating oscillation assistance assembly is provided on the right side and inside of the bottom frame.
[0007] The further improvement of the utility model technical solution is that the cylindrical grading and screening assembly includes four fixed blocks, the four fixed blocks are fixedly connected to the top of the fixed frame and are distributed in a rectangular shape, rotating rods are rotatably connected to the opposite surfaces of the left and right two fixed blocks, rollers are fixedly connected to the left and right sides of the outer walls of the front and rear two rotating rods, two roller grooves are movably connected to the outer walls of the four rollers, and a screening cylinder is fixedly connected to the inner walls of the two roller grooves.
[0008] The further improvement of the utility model technical scheme lies in that: the top right side of the fixing frame is fixedly connected with a supporting frame, the top of the supporting frame is fixedly connected with a feeding hopper, the bottom of the feeding hopper extends to the inside of the screening cylinder, the right end of the rotary rod at the back side penetrates to the right side wall of the right rear fixed block and is fixedly connected with a belt pulley one, the right side of the fixing frame is fixedly connected with a horizontal plate, the top of the horizontal plate is fixedly connected with a motor one, the output end of the motor one is fixedly connected with a belt pulley two, the outer wall of the belt pulley two and the belt pulley one is sleeved with a belt.
[0009] The further improvement of the utility model technical scheme lies in that: the inside of the screening cylinder is fixedly connected with spiral blades, the mesh holes arranged on the outer wall of the screening cylinder are sequentially increased from right to left, the bottom of the screening cylinder is provided with three first material receiving frames fixedly connected with the top of the moving plate, the left side opening bottom of the screening cylinder is provided with a second material receiving frame fixedly connected with the top of the moving plate, and the central controller is electrically connected with the motor one.
[0010] The further improvement of the utility model technical scheme lies in that: the reciprocating oscillation auxiliary assembly comprises a horizontal plate two, the horizontal plate two is fixedly connected to the right side wall of the bottom frame, the top of the horizontal plate two is fixedly connected with a motor two, the top output end of the motor two is fixedly connected with a rotary disc, the rotary disc is rotationally connected with a connecting rod at the top eccentric position, and one end of the connecting rod, away from the rotary disc, is rotationally connected to the top right side of the moving plate.
[0011] The further improvement of the utility model technical scheme lies in that: the inside of the screening cylinder is fixedly connected with spiral blades, the mesh holes arranged on the outer wall of the screening cylinder are sequentially increased from right to left, the bottom of the screening cylinder is provided with three first material receiving frames fixedly connected with the top of the moving plate, the left side opening bottom of the screening cylinder is provided with a second material receiving frame fixedly connected with the top of the moving plate, and the central controller is electrically connected with the motor one.
[0012] Due to the adoption of the above technical scheme, the utility model has the following technical progress compared with the prior art:
[0013] 1、The utility model provides a kind of grading screening device for tomato seed processing, and reciprocating oscillation auxiliary assembly is set, can make screening cylinder constantly reciprocating oscillation, effectively reduce the accumulation and jam of seed at mesh hole, guarantee that seed can continuously smoothly pass through mesh hole and be graded and screened, avoid the screening time extension caused by seed static or slow movement, to improve the screening processing amount in unit time, greatly improve the working efficiency of entire grading screening device.
[0014] 2、The utility model provides a kind of grading screening device for tomato seed processing, and cylinder grading screening component is set, so that different particle size tomato seeds can drop through mesh hole of corresponding size during left movement, realize accurate particle size grading of tomato seed, meet different planting needs. ATTACHMENT DESCRIPTION
[0015] Figure 1 It is the whole structure schematic view of the utility model;
[0016] Figure 2 It is the isometric side view structure schematic view of the utility model;
[0017] Figure 3 It is the cylinder classifying screen subassembly structure schematic view of the utility model;
[0018] Figure 4 It is another cylinder classifying screen subassembly structure schematic view of the utility model;
[0019] Figure 5 It is the reciprocating oscillation auxiliary assembly structure schematic view of the utility model.
[0020] In the drawing: 10, bottom frame;11, moving plate;12, central controller;13, fixed frame;2, cylinder classifying screen subassembly;20, fixed block;21, rotating rod;22, roller;23, screening cylinder;24, roller groove rail;25, support frame;26, feed hopper;27, belt;28, pulley one;29, cross plate;290, motor one;291, pulley two;292, spiral blade;3, reciprocating oscillation auxiliary assembly;30, cross plate two;31, motor two;32, rotating disc;33, connecting rod;34, sliding rod;35, sliding block. DETAILED DESCRIPTION
[0021] In order to make the technical means, creation features, purposes and effects realized by the utility model easy to understand, the utility model is further described below in combination with specific embodiments:
[0022] As shown in Figure 1 , Figure 2 The utility model provides a kind of classifying screening device for tomato seed processing, including bottom frame 10, the top of bottom frame 10 is equipped with moving plate 11, the front side wall right side of bottom frame 10 is fixedly connected with central controller 12, the top of moving plate 11 is fixedly connected with fixed frame 13, the top of fixed frame 13 is provided with cylinder classifying screen subassembly 2, the right side and inside of bottom frame 10 are provided with reciprocating oscillation auxiliary assembly 3.
[0023] The bottom frame 10 of device is welded from high-quality steel plate, to ensure that it has sufficient strength and stability, can carry the weight of entire device and vibration in running process, central controller 12 can select PLC controller, model is S7-200SMART, for controlling the operating state of each power-driven component in device and other parameters.
[0024] As shown in Figure 3 , Figure 4As shown, the cylindrical classifying screen assembly 2 includes four fixed blocks 20, which are fixedly connected to the top of the fixed frame 13 and are distributed in a rectangular shape. The opposite surfaces of the left and right two fixed blocks 20 are rotatably connected with rotating rods 21. The outer walls of the front and rear two rotating rods 21 are fixedly connected with rollers 22 on the left and right sides. The outer walls of the four rollers 22 are movably connected with two roller groove rails 24. The inner walls of the two roller groove rails 24 are fixedly connected with a screening cylinder 23.
[0025] As shown in Figure 3 , Figure 4 , the top right side of the fixed frame 13 is fixedly connected with a support frame 25. The top of the support frame 25 is fixedly connected with a feeding hopper 26. The bottom of the feeding hopper 26 extends to the inside of the screening cylinder 23. The right end of the rear rotating rod 21 penetrates through the right side wall of the right rear fixed block 20 and is fixedly connected with a belt pulley one 28. The right side of the fixed frame 13 is fixedly connected with a horizontal plate 29. The top of the horizontal plate 29 is fixedly connected with a motor one 290. The output end of the motor one 290 is fixedly connected with a belt pulley two 291. The outer walls of the belt pulley two 291 and the belt pulley one 28 are sleeved with a belt 27.
[0026] As shown in Figure 3 , Figure 4 , the inside of the screening cylinder 23 is fixedly connected with a spiral blade 292. The mesh holes provided on the outer wall of the screening cylinder 23 are sequentially increased from right to left. The bottom of the screening cylinder 23 is provided with three first material receiving frames fixedly connected with the top of the moving plate 11. The left side opening bottom of the screening cylinder 23 is provided with a second material receiving frame fixedly connected with the top of the moving plate 11. The central controller 12 is electrically connected with the motor one 290.
[0027] When it is necessary to classify and screen the tomato seeds, the operator starts the motor one 290 through the central controller 12. The motor one 290 is powered on to start running. Its output shaft drives the belt pulley two 291 to rotate at high speed,
[0028] The pulley two 291 at the output end of the motor 290 is connected with the pulley one 28 through the belt 27, the belt 27 transmits power, so that the pulley one 28 rotates with the pulley two 291, the rotation of the pulley one 28 drives the rotation rod 21 fixedly connected therewith to rotate, when the rotation rod 21 rotates, the screening cylinder 23 rotates with the cooperation of the roller 22 and the roller groove rail 24, the operator pours the tomato seeds to be screened into the feeding hopper 26, the bottom of the feeding hopper 26 extends to the inside of the screening cylinder 23, the seeds enter the screening cylinder 23 under the action of gravity, in the screening cylinder 23, the fixedly connected spiral blade 292 rotates with the rotation of the screening cylinder 23, and pushes the tomato seeds to move from the right side to the left side of the screening cylinder 23, in the moving process, since the mesh holes arranged on the outer wall of the screening cylinder 23 are sequentially increased from right to left, the tomato seeds of different particle sizes will fall from the screening cylinder 23 through the mesh holes of corresponding size, the seeds falling at the bottom of the screening cylinder 23 will be collected by the three first material receiving frames fixedly connected with the top of the moving plate 11, the seeds of different particle sizes fall into different first material receiving frames, realizing classified collection, and the tomato seeds of larger particle size which do not pass through the mesh holes of the screening cylinder 23 will fall into the second material receiving frame fixedly connected with the top of the moving plate 11 from the left side opening bottom of the screening cylinder 23, so that the classified screening work of the tomato seeds is completed, through the setting of the cylindrical classification and screening assembly 2, the tomato seeds of different particle sizes can fall through the mesh holes of corresponding size in the process of moving to the left, realizing accurate particle size classification of the tomato seeds, meeting different planting needs.
[0029] As shown in Figure 5 The reciprocating vibration auxiliary assembly 3 includes the horizontal plate two 30 fixedly connected to the right side wall of the bottom frame 10, the top of the horizontal plate two 30 is fixedly connected with the motor two 31, the top output end of the motor two 31 is fixedly connected with the rotating disc 32, the rotating disc 32 is rotationally connected with the connecting rod 33 at the top eccentric position, and the end of the connecting rod 33 away from the rotating disc 32 is rotationally connected to the top right side of the moving plate 11.
[0030] As shown in Figure 5 The left and right side inner walls of the bottom frame 10 are fixedly connected with two slide rods 34, the outer walls of the two slide rods 34 are slidingly connected with two slide blocks 35 fixedly connected with the bottom of the moving plate 11, and the central controller 12 is electrically connected with the motor two 31.
[0031] In the process of grading screening, the motor two 31 is started by the central controller 12, the output end of the motor two 31 drives the rotary disc 32 fixedly connected therewith to rotate, the rotary disc 32 top eccentric position is rotatably connected with the top right side of the moving plate 11 through the connecting rod 33, along with the rotation of the rotary disc 32, the eccentric connecting rod 33 pushes the moving plate 11 to do reciprocating linear motion on the slide rod 34 of the bottom frame 10, since the top of the moving plate 11 is fixedly connected with the fixed frame 13, and the screening cylinder 23 is arranged on the top of the fixed frame 13, so the whole cylinder grading screening assembly 2 also does reciprocating oscillation motion, through the reciprocating oscillation auxiliary assembly 3, the screening cylinder 23 can continuously do reciprocating oscillation, effectively reducing the accumulation and blockage of the seeds at the mesh, ensuring that the seeds can continuously and smoothly pass through the mesh for grading screening, avoiding the extension of the screening time caused by the static or slow movement of the seeds, thereby improving the screening processing amount per unit time, and greatly improving the working efficiency of the whole grading screening device.
[0032] The working principle of the grading screening device for processing the tomato seeds will be described below.
[0033] As shown in Figures 1-5 When it is necessary to grade and screen the tomato seeds, the operator starts the motor one 290 through the central controller 12, the motor one 290 is powered on to start running, the output shaft drives the pulley two 291 to rotate at high speed,
[0034] The pulley two 291 at the output end of the motor 290 is connected with the pulley one 28 through the belt 27, the belt 27 transmits power, so that the pulley one 28 follows the pulley two 291 to rotate, the pulley one 28 rotates to drive the rotating rod 21 fixedly connected therewith to rotate, when the rotating rod 21 rotates, the screening cylinder 23 rotates under the cooperation of the roller 22 and the roller groove rail 24, the operator pours the tomato seeds to be screened into the feed hopper 26, the bottom of the feed hopper 26 extends to the inside of the screening cylinder 23, the seeds enter the screening cylinder 23 under the action of gravity, in the inside of the screening cylinder 23, the fixedly connected spiral blade 292 rotates with the rotation of the screening cylinder 23, and pushes the tomato seeds to move from the right side to the left side of the screening cylinder 23, in the moving process, since the mesh holes arranged on the outer wall of the screening cylinder 23 are sequentially increased from right to left, the tomato seeds of different particle sizes will fall from the screening cylinder 23 through the mesh holes of corresponding sizes, the seeds falling at the bottom of the screening cylinder 23 will be collected by the three first material receiving frames fixedly connected with the top of the moving plate 11, the seeds of different particle sizes fall into different first material receiving frames respectively, and the classification collection is realized, and the tomato seeds of larger particle sizes not passing through the mesh holes of the screening cylinder 23 will fall into the second material receiving frame fixedly connected with the top of the moving plate 11 from the bottom of the left side opening of the screening cylinder 23, so that the classification screening work of the tomato seeds is completed, through the setting of the cylindrical classification screening assembly 2, the tomato seeds of different particle sizes can fall through the mesh holes of corresponding sizes in the process of moving to the left, the accurate particle size classification of the tomato seeds is realized, and different planting requirements are met.
[0035] In the process of classification screening, the central controller 12 is started to drive the motor two 31, the output end of the motor two 31 drives the rotating disc 32 fixedly connected therewith to rotate, the top eccentric position of the rotating disc 32 is rotationally connected with the top right side of the moving plate 11 through the connecting rod 33, along with the rotation of the rotating disc 32, the eccentric connecting rod 33 pushes the moving plate 11 to do reciprocating linear motion on the slide rod 34 of the bottom frame 10, since the top of the moving plate 11 is fixedly connected with the fixed frame 13, and the screening cylinder 23 is arranged on the top of the fixed frame 13, so the whole cylindrical classification screening assembly 2 also does reciprocating oscillation motion, through the setting of the reciprocating oscillation auxiliary assembly 3, the screening cylinder 23 can continuously do reciprocating oscillation, the accumulation and blockage of the seeds at the mesh holes are effectively reduced, the seeds can continuously and smoothly pass through the mesh holes for classification screening, the screening time of the seeds caused by static or slow movement is avoided, the screening processing amount per unit time is improved, and the working efficiency of the whole classification screening device is greatly improved.
[0036] The above has made a detailed description of the utility model in general, but some modifications or improvements can be made on the basis of the utility model, which is obvious to the general technical personnel in the technical field. Therefore, the modifications or improvements without departing from the spirit of the utility model are within the protection scope of the utility model.
Claims
1. A grading and sorting device for processing tomato seeds, comprising a base frame (10), characterized in that: The top of the bottom frame (10) is provided with a moving plate (11), the right side of the front side wall of the bottom frame (10) is fixedly connected with a central controller (12), the top of the moving plate (11) is fixedly connected with a fixed frame (13), the top of the fixed frame (13) is provided with a cylindrical grading screening assembly (2), the right side and the inside of the bottom frame (10) are provided with a reciprocating oscillation auxiliary assembly (3); The cylindrical grading screening assembly (2) comprises four fixed blocks (20), the four fixed blocks (20) are fixedly connected to the top of the fixed frame (13) and are distributed in a rectangular shape, the opposite surfaces of the left and right two fixed blocks (20) are rotatably connected with rotating rods (21), the outer walls of the front and rear two rotating rods (21) are fixedly connected with rollers (22) on the left and right sides, the outer walls of the four rollers (22) are movably connected with two roller groove rails (24), and the inner walls of the two roller groove rails (24) are fixedly connected with screening cylinders (23). The reciprocating oscillation auxiliary assembly (3) comprises a second horizontal plate (30), the second horizontal plate (30) is fixedly connected to the right side wall of the bottom frame (10), the top of the second horizontal plate (30) is fixedly connected with a second motor (31), the top output end of the second motor (31) is fixedly connected with a rotating disc (32), the top eccentric position of the rotating disc (32) is rotatably connected with a connecting rod (33), and one end, away from the rotating disc (32), of the connecting rod (33) is rotatably connected to the top right side of the moving plate (11).
2. A grading and sorting device for processing tomato seeds according to claim 1, characterized in that: The top right side of the fixed frame (13) is fixedly connected with a support frame (25), the top of the support frame (25) is fixedly connected with a feeding hopper (26), the bottom of the feeding hopper (26) extends into the inside of the screening cylinder (23), the right end of the rear rotating rod (21) penetrates through the right side wall of the right rear fixed block (20) and is fixedly connected with a belt pulley one (28), the right side of the fixed frame (13) is fixedly connected with a horizontal plate (29), the top of the horizontal plate (29) is fixedly connected with a first motor (290), the output end of the first motor (290) is fixedly connected with a belt pulley two (291), and the outer walls of the belt pulley two (291) and the belt pulley one (28) are sleeved with a belt (27).
3. A grading and sorting apparatus for processing tomato seeds as claimed in claim 2, characterized in that: The inside of the screening cylinder (23) is fixedly connected with a spiral blade (292), the mesh holes arranged on the outer wall of the screening cylinder (23) are sequentially increased from right to left, the bottom of the screening cylinder (23) is provided with three first material receiving frames fixedly connected to the top of the moving plate (11), the left side opening bottom of the screening cylinder (23) is provided with a second material receiving frame fixedly connected to the top of the moving plate (11), and the central controller (12) is electrically connected with the first motor (290).
4. A grading and sorting apparatus for processing tomato seeds as claimed in claim 3, characterized in that: The inner walls of the left and right sides of the bottom frame (10) are fixedly connected with two slide rods (34), the outer walls of the two slide rods (34) are slidably connected with two slide blocks (35) fixedly connected to the bottom of the moving plate (11), and the central controller (12) is electrically connected with the second motor (31).