Tea processing machinery maintenance and repair

With the rapid development of famous tea production, tea processing machinery has been widely used in the vast tea region. After the end of the tea season each year, we must conscientiously do a good job in the end-of-year maintenance and maintenance of all kinds of tea processing machinery, because this is directly related to the effectiveness of the machine itself, the length of life, and the smooth progress of tea production in the coming year.
First, the maintenance and repair of tea drum cleaning machine Drum cleaning machine applies to a variety of green tea continuous fixation operation, commonly used are 30 and 40 two, the form of heat coal or firewood and electric type. It is the most commonly used machine in tea processing. The main points of maintenance and repair are as follows:
1. Replace the lubricating oil in the worm gear reducer. The oil can be selected from No. 10, No. 20 or No. 30 oil.
2. Remove dirt from all friction surfaces, especially the chain and sprockets, and refill the lubricant.
3, if the chain is too loose, you can first take a few ways to remove the adjustment, if it has been seriously elongated, it should be replaced. When adjusting and replacing the chain, pay attention to the following: The installation direction of the spring card at the chain joint should be consistent with the running direction of the chain, so as to avoid impact, beating or even falling off during operation.
4. Remove and wash all rolling bearings and add new grease. Use calcium sodium grease.
5. Check whether the stove is leaking smoke. If any smoke is found, check the drum stop ring, the stove and the chimney, and find that the damage should be promptly repaired and replaced. Electric heating machine type should check whether there is any damage to the electric heating pipe, and if it is damaged, it should be replaced.
6. After the parts are repaired, the machine will be assembled and turned on to see if the machine is running normally. Heat the drum properly and put a small amount of oil for frying tea to melt it over the inner surface of the drum and then cut off all power. If necessary, the exterior of the machine can be sprayed with paint, dried and covered with plastic paper, and stored in a dry place.
Second, the tea kneading machine maintenance and repair Kneader machine is a relatively mature structure of the tea processing machinery, the commonly used models are 25, 30 and 35, etc., there are two types of heavy hammer pressure and single-pole screw. The kneading machine transfers power through the triangle belt. At the end of year maintenance, it is better to replace the new belt to ensure the normal operation in the coming year. The length and type of the selected V-belt should refer to the instruction manual. The belt section model should be the same as the wheel groove model to ensure the correct position of the V-belt section in the wheel groove. The outer edge of the newly installed V-belt can be slightly higher than the rim. When the new belt is installed or in the subsequent operation, the degree of tension should be maintained properly. If the belt is too tight, the belt is easily damaged and the bearing is prone to heat. If the belt is too loose, it may cause the belt to slip during transmission. Under normal circumstances, the tension of the V-belt can be about 15 mm with the thumb. The maintenance of the mechanical gear box and bearing can refer to the maintenance of the drum cleaning machine.
Third, the tea automatic dryer maintenance and repair Automatic dryer is a complex structure of tea processing machinery. The main areas used in production include specifications of 1 square meter and 3 square meters, most of which use a mesh belt structure and a separate hot metal stove to provide hot air.
When it is found that the baking net is damaged, it should be replaced in time. The replacement method is as follows: first remove the sprocket of the main driving end of the drying network, and the operator faces the machine. Unscrew the bolts of the main shaft and the driven shaft end cover on the left side of the machine to extract the main and driven shafts. Parts, open the observation door, take the drying chain out of the box, replace the new baking net, pay attention to every interval of 6-8 mesh roller with stainless steel wire to wring the baking net and roller, and then reverse the above steps Installation and debugging. Note that when adjusting the tension of the bakelite chain with the adjustable seats at both ends of the driven shaft, the chain must not be overtightened or loosened, and the tension between the left and right chains must be kept the same.
In addition, it is also necessary to inspect the components of the hot blast stove that are used in conjunction with the automatic dryer, such as the furnace, grate, chimney, inner wall, and hot air pipe joints, etc., and whether they are damaged, and should be repaired or replaced. The machine gear box, bearings, chain maintenance with the above.
Fourth, the maintenance and repair of tea multi-function frying machine frying machine is a new type of machinery used in China's tea processing since the 1980s, it is used to kill, rule, flatten and shape the flat tea processing. Needle-shaped tea, Mao Feng tea processing procedures.
The frying machine maintenance can refer to the corresponding method described above.

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