During the rice planting process, the blockage of the sowing mechanism has a significant impact on the normal operation of the machine and the sowing quality. Therefore, solving this problem is crucial to improving the efficiency and uniformity of rice planting. There are many causes of sowing mechanism blockage, mainly including uneven seed particle size, impurities, unreasonable conveying system design, lack of mechanical adjustment, and the influence of the operating environment. In view of these causes, taking scientific and reasonable solutions can effectively alleviate and avoid the occurrence of blockage problems.
The first step to prevent the blockage of the sowing mechanism is to reasonably select and screen seeds. According to the conveying capacity and design parameters of the machine, seeds with uniform particle size, clean and free of impurities should be selected to avoid blockage in the conveying pipeline by large or broken grains. At the same time, the stored seeds should be screened and cleaned as necessary to remove impurities and broken grains to ensure that the seeds can flow smoothly during the conveying process.
Optimizing the design of the conveying system is also one of the key measures. The conveying pipeline layout that conforms to the mechanical process should be adopted to minimize elbows and narrow sections, avoid dead corners and accumulation areas, so as to ensure the smooth flow of seeds during the conveying process. The inner diameter of the conveying pipeline needs to be reasonably designed according to the seed particle size. It should not be too small to cause blockage, nor too large to affect the conveying efficiency. In addition, the reasonable configuration of the vibration device or vibrator can enhance the fluidity of the seeds and reduce the possibility of accumulation and blockage.
The rationality of mechanical adjustment directly affects the normal operation of the sowing mechanism. The conveying speed and vibration intensity should be adjusted according to the actual operation conditions to ensure that the seeds are neither accumulated nor scattered during the conveying process. The operator needs to be familiar with the mechanical adjustment parameters and make fine adjustments based on the actual situation on site to avoid blockage problems caused by improper adjustment. During operation, the conveying speed must be strictly controlled to avoid being too fast or too slow to ensure that the seeds flow smoothly in the conveying pipeline. If blockage is caused by improper mechanical adjustment, the machine should be stopped in time, and necessary adjustments and cleaning should be made to avoid mechanical damage or secondary blockage caused by long-term operation.
When blockage occurs, clearing the blockage is also an important measure to solve this problem. The machine should be stopped immediately, and the power supply or power should be disconnected to avoid secondary damage caused by mechanical operation. According to the specific location of the blockage, use appropriate tools for cleaning, such as soft brushes, hooks or air blowers, to gently remove the blockage and avoid damage to mechanical parts. During the cleaning process, attention should be paid to safety to prevent the machine from starting suddenly or parts from being damaged. After the cleaning is completed, the integrity and sealing of the conveying system should be carefully checked to ensure that there are no residual blockages before the machine can be restarted for operation.
Strengthening the daily maintenance and care of the machine is also an important measure to prevent and solve the blockage of the sowing mechanism. Regularly check the status of the conveying pipeline, vibrator, seed bin and conveying device, and clean up dust, impurities and residues in time to keep the inside of the machine clean. Parts that are easy to wear or clog should be replaced in time to ensure the normal operation of the machine. In addition, the maintenance of the lubrication system should not be ignored. Good lubrication can reduce friction between parts, reduce mechanical wear, extend service life, and thus reduce the probability of blockage.