CN-122008008-A - Grinding wheel fixed type multi-station grinding machine tool

Abstract

The invention relates to the technical field of bearing grinding machine tools, in particular to a grinding wheel fixed type multi-station grinding machine tool which comprises a machine tool body, wherein a grinding wheel driving motor is fixed at the center position, a grinding wheel is fixed on an output shaft of the grinding wheel driving motor, a plurality of platform slide ways are uniformly arranged around the grinding wheel driving motor, a feeding platform system is further arranged on the machine body, wedge-shaped slide ways arranged at two sides of the feeding platform are tightly matched with wedge-shaped slide ways of the platform slide ways in a sliding manner, a workpiece operating mechanism is carried on the feeding platform, the feeding platform is connected with a workpiece operating motor and a workpiece in the workpiece operating mechanism and is driven by the platform driving motor to be fed together, the workpiece is in contact with the grinding wheel to be ground, and a trimming system slide way and a grinding wheel trimming system are arranged on the machine body.

Inventors

• XU TAIBAI

Assignees

• 河南工耕工业设计有限公司

Dates

Publication Date

20260512

Application Date

20260413

Claims (1)

1. 1. The grinding wheel fixed type multi-station grinding machine tool is characterized by comprising a flat cylindrical machine body (1) of the machine tool, wherein a grinding wheel driving motor (2) is fixedly arranged at the center of the machine body (1), the axis of the grinding wheel driving motor (2) coincides with the axis of the machine body, and a grinding wheel (20) is fixed on a power output shaft of the grinding wheel driving motor (2); A plurality of platform slide ways (10) are uniformly arranged around the grinding wheel driving motor (2) on the upper surface of the lathe bed (1) by taking the center of the lathe bed (1) as the center, the platform slide ways (10) are composed of two parallel and opposite wedge-shaped slide ways, and the center lines of the two parallel wedge-shaped slide ways pass through the center of the lathe bed (1); The machine tool body (1) is further provided with a feeding platform system (3), the feeding platform system (3) comprises a fixed plate (30) which spans the platform slideway (10) and is fixed on the machine tool body (1), a platform driving motor (31) which is fixedly arranged on the fixed plate (30), a screw (32) and a feeding platform (33) which are connected with a power output shaft of the platform driving motor (31), the screw (32) is in threaded fit with a threaded hole of the feeding platform (33), and wedge-shaped sliding rails which are arranged on two sides of the feeding platform (33) are in tight sliding fit with wedge-shaped sliding grooves of the platform slideway (10); The feeding platform (33) is provided with a workpiece operating mechanism (4), the workpiece operating mechanism (4) comprises a structure frame (40) with the lower part fixed on the feeding platform (33), a workpiece operating motor (41) with the upper part fixed on the structure frame (40), a bearing (42) for enhancing stable operation, a workpiece tensioning cylinder (43) and a tensioning nut (44) which are tightly arranged on the shaft of the workpiece operating motor (41), the tensioning nut (44) is matched with threads at the lower end of the shaft of the workpiece operating motor (41), a circle of elastic spring valve is arranged at the lower end of the workpiece tensioning cylinder (43), the elastic spring valve can be unfolded when the tensioning nut (44) rotates upwards, the elastic spring valve is tightly sleeved on a workpiece (45) on the workpiece tensioning cylinder (43), an outer channel of the workpiece (45) corresponds to the molded surface of a grinding wheel (20) so that the grinding wheel (20) grinds the channel of the workpiece (45), an inner ring of the bearing (42) is tightly sleeved on the shaft of the workpiece operating motor (41), and an outer ring is tightly connected with the structure frame (40); A trimming system slideway (11) is arranged on the lathe bed (1), the trimming system slideway (11) is composed of two parallel and opposite wedge-shaped sliding grooves, and the center line of the two parallel wedge-shaped sliding grooves passes through the axle center of the lathe bed (1); A grinding wheel dressing system (5) is arranged on the lathe bed (1), the grinding wheel dressing system (5) comprises a dressing fixed plate (50) which spans over a dressing system slideway (11) and is fixed on the lathe bed (1), a dressing feed motor (51) which is fixedly arranged on the dressing fixed plate (50), a dressing screw rod (52) which is connected on the shaft of the dressing feed motor (51), a dressing structure frame (53) which is matched with the thread of the dressing screw rod (52) through the thread of the threaded hole, a dressing roller driving motor (54) which is arranged on the upper part of the dressing structure frame (53) and a dressing roller (55) which is arranged on the shaft of the dressing roller driving motor (54), the profile of the dressing roller (55) corresponds to the profile of the grinding wheel (20) so that the dressing roller (55) can carry out dressing on the profile of the grinding wheel (20), and wedge-shaped sliding rails which are arranged on two sides of the lower part of the dressing structure frame (53) are tightly matched with wedge-shaped sliding grooves of the dressing system slideway (11); And a crank arm (60) is fixedly arranged on the lathe bed (1), one end of the crank arm (60) is rotationally connected with a swing arm (61), the other end of the swing arm (61) is rotationally connected with a control panel (62), and the rotational central axis of the crank arm (60) rotationally connected with the swing arm (61) coincides with the central axis of the lathe bed (1).

Description

Grinding wheel fixed type multi-station grinding machine tool Technical Field The invention relates to the technical field of bearing grinding machine tools, in particular to a grinding wheel fixed type multi-station grinding machine tool. Background At present, a grinding technology of grinding wheel feeding is commonly adopted for grinding a bearing ring, namely, a workpiece is loaded and operated on a station of a grinding machine tool, a grinding wheel rotating at a high speed is fed to a workpiece position to grind the workpiece, and the grinding wheel returns to a standby position after grinding is completed to wait for grinding the next workpiece. In such a case, the grinding wheel is fed to grind one workpiece at a time, and the machining efficiency is relatively low, and since the grinding wheel is fed in a high-speed running state, vibration generated between the movable connecting members is large, and such vibration restricts improvement of precision of grinding the workpiece. Disclosure of Invention The invention aims to solve the problems in the prior art and provides a grinding wheel fixed type multi-station grinding machine tool which is simple in mechanism, reasonable in design, multi-station, high in efficiency and high in precision. In order to achieve the above purpose, the present invention provides the following technical solutions: the invention relates to a grinding wheel fixed type multi-station grinding machine tool which is characterized by comprising a flat cylindrical machine body of the machine tool, wherein a grinding wheel driving motor is fixedly arranged at the center of the machine body, the axis of the grinding wheel driving motor is coincident with the axis of the machine body, and a grinding wheel is fixed on a power output shaft of the grinding wheel driving motor; Preferably, a plurality of platform slideways are uniformly arranged around the grinding wheel driving motor on the upper surface of the lathe bed by taking the circle center of the lathe bed as the center, the platform slideways are composed of two parallel and opposite wedge-shaped sliding grooves, and the center line of the two parallel wedge-shaped sliding grooves passes through the axle center of the lathe bed; Preferably, the bed body is also provided with a feeding platform system, the feeding platform system comprises a fixed plate which spans the platform slideway and is fixed on the bed body, a platform driving motor fixedly arranged on the fixed plate, a screw rod connected with a power output shaft of the platform driving motor and a feeding platform, the screw rod is matched with threads in a threaded hole of the feeding platform, and wedge-shaped sliding rails arranged on two sides of the feeding platform are tightly matched with wedge-shaped sliding grooves of the platform slideway in a sliding manner; The feeding platform is provided with a workpiece operating mechanism, preferably, the workpiece operating mechanism comprises a structure frame, a workpiece operating motor, a bearing, a workpiece tensioning cylinder and a tensioning nut, wherein the lower part of the structure frame is fixed on the feeding platform, the workpiece operating motor is fixedly arranged at the upper part of the structure frame, the bearing is used for enhancing stable operation, the workpiece tensioning cylinder and the tensioning nut are tightly arranged on a workpiece operating motor shaft, the tensioning nut is matched with threads at the lower end of the workpiece operating motor shaft, the lower end of the workpiece tensioning cylinder is provided with a circle of elastic spring valve, the workpiece tensioning cylinder can be sleeved with a workpiece, the elastic spring valve can be tensioned to squeeze the workpiece when the tensioning nut is rotated upwards, and an outer channel of the workpiece corresponds to the molded surface of a grinding wheel so that the grinding wheel grinds the outer channel of the workpiece; Preferably, a trimming system slideway is arranged on the lathe bed, the trimming system slideway is composed of two parallel and opposite wedge-shaped sliding grooves, and the center line of the two parallel wedge-shaped sliding grooves passes through the axle center of the lathe bed; Preferably, a grinding wheel dressing system is arranged on the lathe bed, the grinding wheel dressing system comprises a dressing fixed plate which spans a dressing system slideway and is fixed on the lathe bed, a dressing feed motor which is fixedly arranged on the dressing fixed plate, a dressing screw rod which is connected with a dressing feed motor shaft, a dressing structure frame with threads of a threaded hole matched with the dressing screw rod, a dressing roller driving motor arranged at the upper part of the dressing structure frame and a dressing roller which is arranged on a dressing roller driving motor shaft, the profile of the dressing roller corresponds to the profile of the grinding wheel, so th