4、molding machine notes
Moulding machine is a common casting machinery and equipment. When using the molding machine, pay attention to its operating points to ensure the safe use of the work. Many people do not know much about the use of molding machines, and think that it is good if they are put into use and can operate normally. The correct and safe use of the molding machine can extend the working life of the machine and improve the quality of production. The main points of safe operation of the moulding machine are as follows.
4.1 When using the moulding machine, the operator should be familiar with the mechanical parts, electrical parts, action procedures, lubrication system, etc. of the moulding machine, as well as other requirements specified in the use of the equipment.
Moulding machine compact sand program 4 steps: vibration, pressure head swing into, compact, pressure head swing out.
Moulding machine start mould procedure: table clamping, lifting mould lever, transporting away sand box, chassis part reset.
4.2 molding machine, before starting the equipment, should first check the molding machine lubrication device is perfect, and according to the provisions of the oil, check whether the tight parts are fastened, the operating handle is in the zero position (empty), the valve action is flexible, the pipeline has no air leakage, and then open the total air valve to drain the pipeline gas and water.
4.3 It is strictly forbidden to drive the machine empty, it must be tested under load, check whether the working condition is normal, and refuel and lubricate the place that should be refueled. Only after the normal test run can work.
4.4 molding machine use to carefully observe the operation, in operation should often use air to blow clean lubrication parts and running parts of the sand, strictly prohibit the lubrication parts sticky sand.
4.5 molding machine use, open and close the handle air valve action to be smooth.
4.6 After each completion of a modeling work to clean the table, in order to carry out the second modeling work to start.
4.7 After using the molding machine, the handle should be returned to the zero (empty) position, close the valves, clean the equipment, clean the site, to keep the equipment sliding (rotating) parts of the clean and lubricated, and carefully collect the inspection tools, molds.
5、Molding machine fault detection
After putting into production work, pay attention to the molding machine fault detection, otherwise, the machine will easily fail. Molding machine fault detection from five aspects, including the molding machine pressure head part, shock part, compaction part, starting mold part, operation.
5.1 Moulding machine fault detection of the pressure head part
After using the molding machine for a period of time, the pressure head may appear to be sluggish and slow, and should be maintained in accordance with the following methods.
5.11 molding machine fault detection, check the gap between the front and rear plates of the press head, whether there is any iron ballast and other foreign objects in the way, can be cleared after the trial run.
5.12 open the press head back two air inlet pipe, manipulation valve are wrenched in place and swing into, see whether the mouth of the pipe into the air is large enough, if the air intake is small will also cause the press head swing slow, molding machine fault detection, if this reason can be checked to the manipulation valve, until the air filter gas, whether blocked.
5.13 molding machine pressure head above the cover, open to observe whether the rack rust serious, if this molding machine failure, the same will cause the pressure head action sluggish, available kerosene or gasoline cleaning can be.
5.14 molding machine fault detection, if the above does not occur, you should open the flange on both sides of the pressure head, check whether the rack on both sides of the Y seal aging, deformation, if so, can also cause the pressure head slow.
5.15 Open the flange plate located at the back upper end of the press head of the molding machine, check whether the gear bearing grease is deteriorated, if so, kerosene or gasoline can be used to flush, while moving the press head, will feel more and more loose.
5.2 molding machine fault detection of shock part
There are several reasons why the molding machine has no power to shock or does not shock.
5.21 molding machine fault detection encounter air filter gas blockage, due to the vacuum pump work process to produce some water, a long time plus some foreign matter in the pipeline will be air filter gas filter element blocked, the pressure gauge at this time look at the pressure is not small, but the air flow is not enough, resulting in the machine shock powerless.
5.22 As a result of long time vibration, the following molding machine failure will occur: 6 M20 hexagonal nails connecting the vibration table and the shock piston are loose, so that there is a gap between the shock table and the piston, the work airflow leaks from here, resulting in a weak shock, especially after the compaction can not be shocked.
5.23 between the piston and the pump iron is not lubricated, rust, can also cause the shock powerless, to solve the molding machine failure, you can open the rubber tube to the shock table, inject a pound or so of kerosene or gasoline, and then on the good, start the machine shock, then the sound of shock will have a very obvious change.
5.3 Operating procedures
Molding machine, used in the manufacture of sand casting equipment. The main functions of the molding machine are: filling, filling the loose sand into the sand box; compacting the sand. Moulding machine is widely used in industrial production, how to safely operate the moulding machine is the concern of every producer, the following describes the safe operation procedures of the moulding machine.
Moulding machine operating procedures.
5.31 Observe the general operating procedures of the moulding machine and core making machine.
5.32 When the molding machine starts, the top bar must be smooth and synchronized on or, otherwise, notify the maintenance personnel to repair.
5.33 When compacting the molding machine, the sand press crossbeam rotating frame should be rotated smoothly, do not operate too hard and produce impact.
5.34 The operator must pay attention to whether the mold is good before and after production, the outer mold and core mold positioning pins are matching.
5.35 The staff operating the molding machine should be concentrated.
5.36 After the completion of the molding machine box, according to the provisions of the process, the mold should be lifted and moved to the development of the pouring point (line). Neatly placed, and pressed iron or card lock box. Miscellaneous parts must indicate the mark.
5.37 molding machine sand box is not allowed to stack too high, generally not more than two meters, the tools used must be stacked neatly to prevent accidents.
5.38 the use of blowtorch should pay attention to safety, to prevent fires, the use of line lights must be 36V low-voltage bulbs below, banned 220V high-voltage bulbs.
5.39 molding machine using the crane should first check whether the spreader is good, lifting hooks should be tied chain straight, not allowed to slant lifting and overload lifting.
5.310 strictly prohibited in the lifting sand box below the repair operation. Large sand box open box, turn over the mat box must use square objects to pad properly.
5.311 sand box used in the molding machine must be solid, the hitch should be intact without cracks and bending phenomenon
5.4 Inspection steps
After using the molding machine for a period of time, the pressure head will appear to swing sluggishly and slowly, affecting the work efficiency. In this case, only after careful diagnosis of the molding machine, analyze the cause of this abnormal situation, and make the correct treatment in time to ensure that the molding machine returns to normal. Qingdao Huachuan Group, with years of experience in manufacturing molding machines, tells you that when the head of the molding machine swings sluggishly or slowly, you should check it step by step from the following steps to finally solve the problem.
5.41 Check the gap between the front and rear plates of the press head of the molding machine, whether there are any iron ballast and other foreign objects in the way, can be cleared after the trial run.
5.42 open the two air inlet pipe behind the press head, manipulate the valve in the original position and swing in respectively, to see if the air inlet is large enough, if the air inlet is small modeling machine press head swing slowly, if this reason can be checked to manipulate the valve, until the air filter gas.
5.43 molding machine pressure head above the cover, open to observe whether the rack rust serious, if this failure, the same will cause modeling and pressure head action sluggish, available kerosene or gasoline cleaning can
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