[China Glass Net] The glass cleaning machine is a special equipment for cleaning and drying the glass surface in the pre-process of deep processing such as mirroring, vacuum coating, tempering, hot bending and hollow glass splicing. The glass cleaning machine is mainly composed of transmission system, brushing, water washing, pure water washing, cold, hot air drying, and electric control system. In normal times, special attention must be paid to the maintenance and maintenance of the washing machine.
Lubrication of the washing machine
In order to prevent gear necrosis caused by excessive wear of the wear machine, the washing machine must be properly lubricated. The glass coating process requires a very high degree of cleanliness of the glass. A small amount of lubricating oil is not allowed to enter the cleaning area, so greases with good mechanical stability and adhesion should be selected. The disc brush of the Shengteng washing machine adopts reciprocating rotation, butt the wheel, no bearing and no lubrication. At the same time, both ends of the conveying roller are water-lubricated and single-sided sealed bearings, which can effectively avoid pollution. We focus on lubrication of drive chains, helical gears and drive shafts.
1 Use a plastic sheet to isolate the parts to be lubricated from the cleaning area to avoid grease contamination.
2 Lubricate the joint surface of the chain, gear, drive shaft chain roller and chain plate.
3 pairs of drive chain and roller, so that it is evenly lubricated.
4 Wipe off excess grease with a clean cotton cloth.
Transfer roller alignment
The washing machine adopts the method of pinching glass, the lower roller table is fixed, and the height of the upper roller table can be adjusted to ensure uniformity of the glass force and smooth transmission. The lower roller table is driven by the drive shaft and gear system and requires periodic inspection of the bearings and horizontal and vertical levels. The upper roller table is fixed by two water-lubricated plastic bearings at both ends and is free to rotate. Since the plastic bearing is easy to wear and increase the gap after using for a period of time, the two ends of the upper roller are unbalanced, so that the original glass sheet is easily deflected in the washing machine. For the upper roller table, we add a fixed end block clamp and periodically measure the height change, corresponding to the calibration or replacement of the bearing to adjust the pressure of the roller.
Adjustment of the brush height
The inlet cleaning machine mainly cleans the surface of the original glass through a total of 132 disc brushes in three rows, and adds a liquid polishing agent to ensure effective grinding of the glass surface and remove stubborn stains. To make the disc brush form an effective roll on the glass surface, the height of the disc tip is generally set to 1.5 mm below the surface of the glass sheet. As the bristles of the disc wear, it is necessary to periodically lower the height of the disc to ensure the quality of the cleaning.
Cleaning of the water tank and the water tray
The inlet cleaning machine adopts the method of gradually cleaning and recycling the three-stage water quality. Five water tanks and corresponding water receiving trays are respectively arranged in the lower part of the conveying platform for storing the washing water. Since the water itself is contaminated while cleaning the glass, some polishing agents and the like are gradually deposited in the water storage tank, and it is necessary to periodically perform flushing and cleaning to ensure the water quality is clean.
Smoothness of polishing agent and water spray pipe
The inlet cleaner uses an aqueous solution of aluminum or lanthanum oxide as a polishing agent and is added to the brushing process of the disk brush through a water spray pipe between the upper roller tables. Since the solid aqueous solution polishing agent is used, when the concentration is too large, the nozzle is easily clogged. When the polishing agent nozzle is blocked during use, the concentration of the polishing agent after dilution should be adjusted in time. To clean the polish and spray pipe, follow the steps below.
1 Remove the cleaning machine stop, raise the upper roller path of the washing machine, 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 drive pure water from the inlet of the nozzle into the nozzle to form water pressure, observe the water discharge of each nozzle, and use a paper clip to clear.
4 Clean the nozzle, install it back to the original position, tighten the bolts, and keep the nozzle direction unchanged until it is removed.
Air knife drying area cleaning and adjustment
The cleaning machine is equipped with high-purity water heated (temperature is about 45 °C) in the latter tank, so the water stain attached to the surface of the original glass sheet can be blown away by the high-strength wind of the air knife after entering the drying zone. evaporation. The edge of the air knife edge is at an acute angle to the plane of the original glass film. Each time the air knife is removed or its position is changed, the angle should be measured and kept unchanged.
1Dry the glass debris, labels, paper jams, etc. in the drying area, and wipe the air knife, roller table and other parts with a clean cotton cloth to ensure clean.
2 Remove the primary filter plate and the secondary filter bag for the fan, and use the compressed air to blow out the dust inside, and check for damage or blockage, and replace it regularly.
3 Use the saw blade to plunge into the air knife edge to check if there are any impurities such as filter bag fibers blocking the knife edge.
Through the production practice of these years, we have realized that as long as the maintenance and maintenance of the inlet cleaning machine are carried out in strict accordance with the above procedures, the cleaning effect of the original glass sheet can be ensured to a large extent under the normal process conditions. The quality of glass products is stable.
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