All kinds of tea processing machinery maintenance and repair

First, tea kneading machine maintenance and repair

The kneading machine is a relatively mature machine in the processing of tea. The commonly used models include Type 25, Type 30, and Type 35. There are two kinds of pressurized forms, hammer type and single column 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, the belt may slip during transmission. Under normal circumstances, the tension of the V-belt can be about 15 mm with the thumb pressed. The maintenance of the mechanical gear box and bearing can refer to the maintenance of the drum cleaning machine.

Second, tea drum cleaning machine maintenance and repair

Drum fixing machine is suitable for continuous greening of various green teas. There are commonly used 30 types and 40 types. The heat source forms are coal or firewood type 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, stove and 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, covered with plastic paper, and stored in a dry place.

Third, tea automatic dryer maintenance and repair

The automatic dryer is a relatively complex structure in tea processing. The main areas used in production are specifications such as 1 square meter and 3 square meters, most of which adopt mesh belt structure, and a separate hot metal stove is provided 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 the sprocket of the main driving end of the layer of drying net is unloaded, the operator faces the machine, and the bolts of the main shaft and the driven shaft end cover of the layer drying net are unscrewed on the left side of the machine, and the main and passive shafts are pulled out 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 net roller with stainless steel wire to twist 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, they should be repaired or replaced. The machine gear box, bearings, chain maintenance with the above.

Fourth, tea multi-function frying machine maintenance and repair

The frying machine is a new type of machinery used in tea processing in China since the 1980s. It has been used in the process of fixing, ordering, flattening, and processing needle-shaped tea and Maofeng tea in the processing of flat tea. Wait.

The frying machine maintenance can refer to the corresponding method above.


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