Secondary screening device for bio-organic fertilizer
By combining a servo motor-driven screening roller with a vibration mechanism, rubber taps are used to prevent the screening screen from clogging, and a spring pin and pull rod design enables quick replacement of the screening screen. This solves the problem of screening screen clogging in the secondary screening device for bio-organic fertilizer, improving production efficiency and equipment reliability.
Patent Information
- Application Number
- CN202422475242.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-14
- Publication Date
- 2025-10-28
- Estimated Expiration
- 2034-10-14
AI Technical Summary
The screens in existing bio-organic fertilizer secondary screening devices are prone to clogging, which slows down the screening speed, affects the efficiency of the production line, and makes it inconvenient to clean or replace the screens.
The screening roller and vibration mechanism are driven by a servo motor. The screening roller and secondary screening screen are struck by rubber taps. Combined with the spring pin and pull rod design, the screening screen can be quickly disassembled and replaced to prevent clogging.
It effectively prevents clogging of the screening device, improves screening efficiency, reduces equipment failures and maintenance frequency, enhances production line operating efficiency, and reduces maintenance costs.
Smart Images

Figure CN223475502U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of bio-organic fertilizer production technology, specifically a bio-organic fertilizer secondary screening device. Background Technology
[0002] Bio-organic fertilizer is a type of fertilizer that combines organic fertilizer and biotechnology. It mainly improves soil quality and crop yield through the action of microorganisms. Bio-organic fertilizer is rich in organic matter, which can increase the organic matter content of the soil, improve the physical properties of the soil, improve the soil particle structure, increase soil permeability, and promote healthy root growth. Bio-organic fertilizer contains a variety of essential nutrients, including nitrogen, phosphorus, potassium, and trace elements, which can meet the nutritional needs of crops. When organic matter decomposes in the soil, it can release nutrients that can be absorbed by plants, improving soil fertility. These effects of bio-organic fertilizer make it an important part of sustainable agricultural practices, effectively improving soil quality and crop yield while protecting the environment.
[0003] The above-mentioned utility model has the following problems:
[0004] 1. In the existing technology, during the secondary screening of bio-organic fertilizer, the screening screen is prone to clogging. The clogging of the screening screen will slow down the screening speed, affect the overall operating efficiency of the production line, and cleaning or replacing the clogged screening screen is extremely troublesome.
[0005] Therefore, those skilled in the art have provided a secondary screening device for bio-organic fertilizer to solve the problems mentioned in the background art. Utility Model Content
[0006] The purpose of this invention is to provide a secondary screening device for bio-organic fertilizer to solve the problems mentioned in the background art.
[0007] To achieve the above objectives, the present invention provides the following technical solutions:
[0008] A secondary screening device for bio-organic fertilizer includes a screening device housing, a screening roller frame fixedly connected to the upper end of the screening device housing, a screening roller rotatably connected to the inner side of the screening roller frame, and a servo motor fixedly connected to one side of the upper end of the screening device housing.
[0009] As a further embodiment of this utility model: the output end of the servo motor is fixedly connected to a transmission rod, the other end of the transmission rod is fixedly connected to a screening drum, a preliminary screening screen is fixedly connected to the outer side of the screening drum, a driven rod is rotatably connected to the side wall of the screening device housing, and a drive roller is fixedly connected to the outer side of the transmission rod.
[0010] As a further embodiment of this utility model: a driven roller is fixedly connected to the outer side of the driven rod, a belt is sleeved on the outer side of the driving roller, the other end of the belt is sleeved on one side of the driven roller, and a fixing rod is fixedly connected to the outer side of the driven rod near both ends, and a rubber hammer is fixedly connected to one end of each fixing rod.
[0011] As a further embodiment of this utility model: a secondary screening screen is slidably connected to the outer shell of the screening device near the driven rod, a screening collection box is slidably connected to the outer shell of the screening device near the secondary screening screen, and a connecting plate is fixedly connected to the lower end of the outer shell of the screening device.
[0012] As a further improvement of this utility model: damping springs are fixedly connected to the four corners at the lower end of the connecting plate. The damping springs are in a spring-extended state by default. The other end of each damping spring is fixedly connected to a fixed base. A vibration mechanism is fixedly connected to the fixed base near the middle.
[0013] As a further embodiment of this utility model: the other end of the vibration mechanism is fixedly connected to the connecting plate, a spring pin is slidably connected to the side of the screening device housing near the secondary screening screen, and a pull rod is fixedly connected to one side of the secondary screening screen.
[0014] Compared with the prior art, the beneficial effects of the present invention are:
[0015] 1. This utility model uses a vibration mechanism to drive the screening device housing to perform vibration screening. By controlling a servo motor to drive the screening drum to rotate, it simultaneously drives the rubber taps at one end of the fixed rod to rotate. When the rubber taps are on one side, they strike the screening drum frame; when they are on the other side, they strike the secondary screening screen. The rotation and striking of the rubber taps effectively prevents clogging of the screening drum and the primary screening screen during the screening process, improving the continuous operation capability of the equipment. The combination of the vibration mechanism and the drum rotation allows for more uniform and rapid screening of materials, improving screening efficiency. By reducing clogging, the frequency of equipment failure and maintenance is reduced, thereby saving maintenance costs and downtime.
[0016] 2. This utility model allows for the quick removal of the secondary screening screen via a spring pin and a pull rod, enabling replacement or addressing of screen blockage issues. The secondary screening screen can be quickly disassembled and replaced, reducing maintenance time and improving production line operating efficiency. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of a secondary screening device for bio-organic fertilizer.
[0018] Figure 2 This is a cross-sectional schematic diagram of a secondary screening device for bio-organic fertilizer.
[0019] Figure 3 A secondary screening device for bio-organic fertilizer Figure 2 Enlarged structural diagram of A in the middle
[0020] Figure 4 This is a cross-sectional schematic diagram of the spring pin and pull rod structure of a secondary screening device for bio-organic fertilizer.
[0021] In the diagram: 1. Screening device housing; 2. Screening roller frame; 3. Screening roller; 4. Servo motor; 5. Transmission rod; 6. Primary screening screen; 7. Driven rod; 8. Driven roller; 9. Driven roller; 10. Belt; 11. Fixed rod; 12. Rubber hammer; 13. Secondary screening screen; 14. Screening collection box; 15. Connecting plate; 16. Damping spring; 17. Fixed base; 18. Vibration mechanism; 19. Spring pin; 20. Pull rod. Detailed Implementation
[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0023] Example 1
[0024] Reference Figure 1 , 23, 4. This embodiment provides a secondary screening device for bio-organic fertilizer, including a screening device housing 1. A screening roller frame 2 is fixedly connected to the upper end of the screening device housing 1. A screening roller 3 is rotatably connected to the inner side of the screening roller frame 2. A servo motor 4 is fixedly connected to one side of the upper end of the screening device housing 1. A transmission rod 5 is fixedly connected to the output end of the servo motor 4. The other end of the transmission rod 5 is fixedly connected to the screening roller 3. A preliminary screening screen 6 is fixedly connected to the outer side of the screening roller 3. A driven rod 7 is rotatably connected to the side wall of the screening device housing 1. A driving roller 8 is fixedly connected to the outer side of the transmission rod 5. A driven roller 9 is fixedly connected to the outer side of the driven rod 7. A belt 10 is sleeved on the outer side of the driving roller 8. The other end of the belt 10 is sleeved on one side of the driven roller 9. A fixing rod 11 is fixedly connected to the outer side of the driven rod 7 near both ends. One end of each component 11 is fixedly connected to a rubber tap 12. A secondary screening screen 13 is slidably connected to the outer shell 1 of the screening device near the driven rod 7. The bio-organic fertilizer to be screened is placed into the screening drum. The servo motor is started, and the servo motor drives the transmission rod to rotate. The transmission rod drives the screening drum to rotate, so that the bio-organic fertilizer is screened through the primary screening screen of the screening drum. The screening drum rotates on the screening drum frame, and the screening drum tumbles the bio-organic fertilizer on the inner side. At the same time, the transmission rod drives the active roller to rotate, the active roller drives the belt to rotate, the belt drives the driven roller to rotate, the driven roller drives the driven rod to rotate, the driven rod drives the fixed rod to rotate, and the fixed rod drives the rubber tap at one end to rotate. The rotating rubber tap strikes and vibrates the screening drum and the secondary screening screen to prevent clogging during screening.
[0025] Example 2
[0026] Reference Figure 1 , 24. This embodiment is based on the previous embodiment, but differs in that a screening collection box 14 is slidably connected to the screening device housing 1 near the secondary screening screen 13. A connecting plate 15 is fixedly connected to the lower end of the screening device housing 1. Damping springs 16 are fixedly connected to the four corners of the lower end of the connecting plate 15. The damping springs 16 are in a spring-extended state by default. A fixed base 17 is fixedly connected to the other end of each damping spring 16. A vibration mechanism 18 is fixedly connected to the fixed base 17 near the middle. The other end of the vibration mechanism 18 is fixedly connected to the connecting plate 15. A spring pin 19 is slidably connected to the side of the screening device housing 1 near the secondary screening screen 13. A pull rod 20 is fixedly connected to one side; when the servo motor is started, the vibration mechanism is also started. The vibration mechanism drives the screening device housing on the upper part of the connecting plate to vibrate. The damping spring adjusts the distance between the connecting plate and the fixed base. The bio-organic fertilizer is screened out from the tumbling screening drum. The bio-organic fertilizer that has passed the initial screening falls onto the secondary screening screen. It is then screened by the vibration of the secondary screening screen. The screened bio-organic fertilizer falls into the screening collection box for collection. The secondary screening screen is limited by a spring pin. When the secondary screening screen needs to be replaced for inspection, pull the spring pin outward with one hand and pull the pull rod with the other hand to quickly remove the secondary screening screen.
[0027] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.
[0028] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.
Claims
1. A secondary screening device for bio-organic fertilizer, comprising a screening device housing (1), characterized in that, The upper end of the screening device housing (1) is fixedly connected to a screening roller frame (2), and the inner side of the screening roller frame (2) is rotatably connected to a screening roller (3). A servo motor (4) is fixedly connected to one side of the upper end of the screening device housing (1). A transmission rod (5) is fixedly connected to the output end of the servo motor (4). The other end of the transmission rod (5) is fixedly connected to the screening roller (3). A preliminary screening screen (6) is fixedly connected to the outer side of the screening roller (3). A driven rod (7) is rotatably connected to the side wall of the screening device housing (1). An active roller (8) is fixedly connected to the outer side of the transmission rod (5). A driven roller (9) is fixedly connected to the outer side of the driven rod (7). A belt (10) is sleeved on the outer side of the active roller (8). The other end of the belt (10) is sleeved on one side of the driven roller (9). A fixed rod (11) is fixedly connected to the outer side of the driven rod (7) near both ends. A rubber hammer (12) is fixedly connected to one end of each fixed rod (11).
2. The secondary screening device for bio-organic fertilizer according to claim 1, characterized in that, The outer shell (1) of the screening device is slidably connected to a secondary screening screen (13) near the driven rod (7), and the outer shell (1) of the screening device is slidably connected to a screening collection box (14) near the secondary screening screen (13).
3. The secondary screening device for bio-organic fertilizer according to claim 1, characterized in that, The lower end of the outer shell (1) of the screening device is fixedly connected to a connecting plate (15), and damping springs (16) are fixedly connected to the four corners of the lower end of the connecting plate (15). The damping springs (16) are in the spring-stretched state by default.
4. The secondary screening device for bio-organic fertilizer according to claim 3, characterized in that, The damping spring (16) is assumed to be in a stretched state.
5. The secondary screening device for bio-organic fertilizer according to claim 4, characterized in that, The other end of each damping spring (16) is fixedly connected to a fixed base (17), and a vibration mechanism (18) is fixedly connected to the fixed base (17) near the middle. The other end of the vibration mechanism (18) is fixedly connected to the connecting plate (15).
6. The secondary screening device for bio-organic fertilizer according to claim 1, characterized in that, A spring pin (19) is slidably connected to the side of the outer shell (1) of the screening device near the secondary screening screen (13), and a pull rod (20) is fixedly connected to one side of the secondary screening screen (13).