Functions and structural characteristics of a hot forging machine
Release time:
2021-06-14
Hot forging machines are mainly suitable for mass production of precision forged parts in warm forging and hot die forging, and have obvious advantages in production efficiency, automation, material saving, and forging quality. The key technology of hot forging machines is die release technology. Existing automotive release devices generally use manual adjustment and motor-adjusted automotive release devices.
Due to the harsh working environment, the wedge-shaped worktable of the hot forging machine is prone to rust, so water and water-based cooling lubricants are frequently used. When encountering a stuck die, it is difficult to remove it. Steam cutting is often used to cut the die to get rid of the stuck die. This wastes time, damages the die, increases costs, and reduces production efficiency.
In order to overcome the above problems, relevant technical personnel have developed three patented technologies: a multi-cylinder hydraulic anti-drilling device applied to split-frame hot forging machines, a single-cylinder tooth hydraulic anti-drilling device applied to split-frame hot forging machines, and a die height adjustment and anti-drilling device applied to integral-frame hot forging machines. The patented technology has a simple structure, convenient operation, time-saving, reliable, and non-destructive features.
The structure of the intermediate transmission shaft of the hot forging machine is as follows: The transmission shaft is installed and supported on two rolling bearings, with a small gear installed on the left end of the transmission shaft and a large flywheel installed in the middle. When the equipment undergoes major or medium repairs, the transmission shaft should be removed for inspection. The main inspections include the mating condition of the mating surfaces and the wear condition of each surface. If necessary, magnetic powder surface inspection and ultrasonic inspection should be performed, and the repair or replacement should be decided based on the inspection results.
The transmission shaft of the hot forging machine and the inner ring of the bearing adopt a small interference fit, which is conducive to disassembly and assembly, and extends the service life of the bearing. When replacing a new bearing, the wear on the mating surface between the transmission shaft and the bearing should also be repaired. Repair can be done by brush plating to increase the shaft diameter, or by coating, but the coating strength of the coating is not as high as that of brush plating. When brush plating the hot forging machine, the plating should not be too thick, otherwise it is easy to peel off.
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