Daily maintenance of the hottest glass washer

Daily maintenance of glass cleaning machine

glass cleaning machine is a special equipment for cleaning and drying the surface of glass in the pre-processing process of mirror making, vacuum coating, tempering, hot bending, insulating glass lamination and other deep-processing processes. The glass cleaning machine is mainly composed of transmission system, brushing, clean water washing, pure water washing, cold and hot air drying, electric control system, etc. In peacetime, special attention should be paid to the maintenance of the washing machine

1. Clean the condenser of the refrigeration system and lubricate the clearing machine regularly

in order to prevent the gear necrosis caused by excessive wear of the wearing machine, the washing machine must be properly lubricated. The glass coating process requires a very high degree of cleanliness of the glass, and a small amount of lubricating oil is not allowed to enter the cleaning area, so grease with good mechanical stability and adhesion should be selected. Focus on the lubrication of transmission chain, helical gear and transmission shaft

① use plastic cloth to isolate the parts that need lubrication from the cleaning area to avoid grease pollution

② lubricate the joint surface of chain, gear, transmission shaft, chain roller and chain plate

③ the transmission chain and roller table should be lubricated evenly

④ wipe off the excess grease with a clean cotton cloth

2. Calibration of conveying roller table

the cleaning machine adopts the method of clamping glass. The lower roller table is fixed, and the height of the upper roller table can be adjusted to ensure the uniformity of glass stress and the stability of transmission. The lower roller table is driven by the transmission shaft and gear system. It is necessary to regularly check the bearing and horizontal and longitudinal levels. The upper roller table is fixed by two water lubricated plastic bearings at both ends and can rotate freely. The plastic bearing is easy to wear and increase the clearance after being used for a period of time, which leads to the imbalance at both ends of the upper roller table, making the glass original sheet easy to form deflection in the cleaning machine. For the upper roller table, we add fixed end block clamps and regularly measure the height changes, and calibrate or replace the bearings accordingly to adjust the pressing force of the roller

3. Adjustment of disc brush height

the inlet cleaning machine mainly cleans the surface of the original glass sheet through three rows of 132 disc brushes, and adds liquid polishing agent at the same time, so as to ensure that the glass surface can be effectively polished and remove stubborn stains. To make the disc brush form an effective rolling friction on the glass surface, the height of the disc brush tip is generally set at 1.5mm below the surface of the glass sheet. With the wear of the disc bristles, the height of the disc brush needs to be reduced regularly to ensure the cleaning quality

4. Cleaning of water storage tank and water receiving tray

the inlet cleaning machine adopts the method of three-level water quality, which is gradually cleaned and recycled. Five water tanks and corresponding water receiving trays are respectively set at the lower part of the conveyor table to store cleaning water. Because the water itself is polluted while cleaning the glass, some dirt such as polishing agent will usually be gradually deposited in the water storage tank, which needs to be washed and cleaned regularly to ensure the cleanness of water quality

5. Smoothness of polishing agent and water spray pipe

the inlet cleaning machine uses the oxide aqueous solution of aluminum or cerium as the polishing agent, which is added to the rolling process of the disc brush through the water spray pipe between the upper roller table. Due to the use of solid aqueous polishing agent, when the concentration is too high, it is easy to cause nozzle blockage. When the nozzle of polishing agent is blocked during use, it should be dredged in time and the concentration of the diluted polishing agent should be adjusted. To clean the polishing agent and water spray pipe, follow the following steps

① remove the washer baffle, raise the upper roller table of the washer, and turn off the power supply and water supply valve

② loosen the fixing bolts at both ends of the nozzle and remove the nozzle

③ use a high-pressure water gun to inject pure water into the nozzle from the inlet of the nozzle to form water pressure, observe the water outflow of each nozzle, and dredge it with a paper clip

④ clean the nozzle, install it back, tighten the bolts, and note that the nozzle direction remains unchanged before disassembly and cleaning

6. Cleaning and adjustment of the air knife drying area

the last water tank of the cleaning machine is filled with high-purity water after heating (the temperature is about the harm caused by metal fatigue at 45 ℃), so the rheological characteristics and multi-level structure composition of polymer matrix nanocomposites under extreme conditions of micromachining are studied Evolution law: the water stains on the surface of the glass sheet can be blown away and evaporated under the action of the high and strong wind of the wind knife after entering the drying zone. There is an acute angle between the blade of the air knife and the plane of the original glass. Each time the air knife is disassembled or its position is changed, pay attention to measure its angle and keep it unchanged

① clean the glass debris, labels, paper clips and other dirt in the drying area, and wipe the air knife, roller table and other parts with clean cotton cloth to ensure cleanliness

② remove the primary filter plate and secondary filter bag for the fan, blow out the dust inside with compressed air in reverse direction, check whether there is damage or blockage, and replace them regularly

③ use a saw blade to probe into the air knife edge and check whether there is filter bag fiber, which is objectively easy to cause errors and sundries to block the knife edge

as long as the inlet cleaning machine is regularly and carefully maintained according to the above procedures, the cleaning effect of the original glass sheet can be guaranteed to a large extent and the quality of the coated glass products can be guaranteed under the normal process