Cylindrical grinding machine for bearing ring

Abstract

The invention discloses a cylindrical grinding machine for a bearing ring. The cylindrical grinding machine comprises a machine body, a reciprocating operating platform, a grinding wheel shaft box, a workpiece shaft box, a longitudinal feed mechanism, a transverse feed mechanism, a grinding wheel dresser, a hydraulic system, a lubricating system, a cooling system and an electrical control system, wherein the reciprocating operating platform, the longitudinal feed mechanism and the transverse feed mechanism are arranged on the machine body; the grinding wheel shaft box is arranged on the machine body on the rear side of the reciprocating operating platform; a grinding wheel is arranged on the grinding wheel shaft box; the grinding wheel dresser is arranged on the reciprocating operating platform through a grinding wheel dresser seat; the workpiece shaft box is arranged on the reciprocating operating platform; the hydraulic system, the lubricating system and the electrical control system are arranged in the machine body; and the cooling system is arranged on the rear side of the machine body. The cylindrical grinding machine for the bearing ring has a simple structure, high static and dynamic rigidity, high vibration resistance, a high vibration reduction property, high precision retaining ability, a small number of faults, long service life and attractive appearance, is accurately positioned, lightly frictionally worn and easy to operate and maintain, saves energy, and is environment-friendly and safe.

Description

technical field [0001] The invention relates to bearing product processing equipment, in particular to a bearing ring cylindrical grinder. Background technique [0002] At present, the grinding machines used for the cylindrical processing of bearing products are ordinary cylindrical grinding machines, universal cylindrical grinding machines, centerless cylindrical grinding machines and cylindrical grinding machines modified with crankshaft grinding machines. The problems that occur in the product processing of this kind of machine tools are: The size of the processed product is small, generally within 500mm, and the outer surface of the large cone angle cannot be reciprocated grinding; due to insufficient rigidity of the machine tool and poor dynamic stability, the dimensional accuracy, shape error, and surface accuracy of the processed product cannot meet the requirements of bearing products , it is necessary to increase the polishing and ultra-finishing process; the rigidi...

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Problems solved by technology

[0002] At present, the grinding machines used for the cylindrical processing of bearing products are ordinary cylindrical grinding machines, universal cylindrical grinding machines, centerless cylindrical grinding machines and cylindrical grinding machines modified with crankshaft grinding machines. The problems that occur in the product processing of this kind of machine tools are: The size of the processed product is small, generally within 500mm, and the outer surface of the large cone angle cannot be reciprocated grinding; due to insufficient rigidity of the machine tool and poor dynamic stability, the dimensional accuracy, shape error, and surface accuracy of the processed product cannot meet the requirements of bearing products , it is necessary to increase the polishing and ultra-finishing process; the rigidity and strength of the machine tool are insufficient, the vibration is large, and the power is insufficient to carry out high-speed and strong grinding; the friction and wear are serious, which leads to poor precision retention of the machine tool, many faults, and low service life; the radial force caused by the transmission belt is affected The rotation accuracy of the workpiece shaft and the grinding wheel shaft; the positioning accuracy of the fixture is low, which affects the dimensional accuracy and shape error of the processed product; the axial positioning of the grinding wheel shaft is not accurate, which affects the dressing accuracy of the grinding wheel, resulting in poor surface accuracy of the processed product; machine tool accessories are mostly dedicated to special factories , the maintenance cost of the special plane is high, and the downtime is long; the transmission gap is large, and the positioning accuracy is poor, resulting in large size dispersion and low grade rate during mass production; the protective cover is generally a plug-in type, hinged type, small coverage area, poor strength, and cutting fluid. Splash affects the environment, once the grinding wheel is broken, it is difficult to ensure safety protection

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