A mechanical press brake automatic measurement and control lubrication device

Abstract

The invention relates to an automatic measurement and control lubricating device for a brake of a mechanical press, which comprises a brake, an oil mist supply mechanism, an intake air path, an exhaust air path, an oil mist concentration detector and a PLC controller, and the oil mist supply mechanism provides oil mist; One end of the air intake path is connected to the oil mist gas supply mechanism, and the other end is connected to the piston cavity; one end of the exhaust gas path is connected to the piston cavity, and the other end is connected to the exhaust end. Between the mist devices, the oil mist concentration detector is connected with the PLC controller. The existing lubricating system adopts the same channel design for the air intake and exhaust, resulting in poor oil mist circulation, low oil mist concentration at the sealing ring, and insufficient lubrication. The invention subverts the traditional design, and the technical structure of the intake air path and the exhaust air path do not overlap, and is equipped with intelligent detection and control technology to realize the intelligent measurement and control lubrication of the brake, prolong the service life of the brake, improve product quality, and have high reliability , The advantages of green environmental protection.

Description

Technical field: [0001] The invention relates to the technical field of forging machine tools, in particular to an automatic measurement and control lubricating device for a mechanical press brake. Background technique: [0002] The brake is one of the main components of a mechanical press. At present, the interior of the existing brake mainly adopts a piston-type technical structure with a sealing ring, and the on-off action of the brake is controlled through the cooperation of air pressure, sealing ring, piston, spring and other components to realize the connection action of the entire transmission system. The brake and the clutch adopt the pneumatic interlocking control method. When the press stroke is opened, the electromagnetic double valve and the two-position three-way electromagnetic valve act simultaneously, and the compressed air quickly enters the brake through the double valve to disengage the brake disc, and then the brake is ventilated to drive the transmission...

AI Technical Summary

Problems solved by technology

[0005] In addition, there are still many deficiencies in the existing lubrication system. First, the concentration of oil mist in the oil mist cannot be monitored in real time, and the concentration of oil mist in the oil mist cannot be adjusted in real time according to the wear of the sealing ring to better lubricate the sealing ring. Monitor the operating status of the lubricator, and when the lubricator is blocked or damaged, as an ordinary operator, as there is no obvious external symptom, the maintenance of the lubricator on the upper part of the fuselage will be neglected until the brake sealing ring is severely worn It will only be discovered when there is an air leakage block accident and cannot continue to be used

The second is that the wear of the sealing ring cannot be monitored, and sometimes it can continue to be used with slight wear and air leakage, but the operator does not know when to replace it, so he can only judge based on experience, which increases the difficulty of technical diagnosis for the operator, and reduces production efficiency and product quality.

The third is that the lubricator adopts the form of an oil cup to store oil. The lubricator is installed on the top of the frame, which is inconvenient to observe at any time. The air entering the brake does not contain oil mist, which leads to the lack of oil in the sealing ring and aggravates the wear and tear

Fourth, when the brake is exhausted, the gas with oil mist is directly discharged into the outside air through the speed-regulating quick-discharge valve and the double solenoid valve, and oil dirt will form on the maintenance platform on the upper part of the frame for a long time, that is, pollute the environment and exist. Security risks

[0006] In summary, the existence of these problems restricts the widespread use of mechanical presses and the improvement of product quality, and cannot meet the reliability, intelligent measurement and control, and environmental protection needs of mechanical press automated production lines.

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