Automatic synchronous tracking servo centre frame
An automatic synchronization and center frame technology, which is used in large fixed members, metal processing mechanical parts, metal processing equipment, etc., to achieve numerical precision, ensure processing accuracy, and improve the degree of automation.
Inactive Publication Date: 2010-07-28
SHANGHAI MACHINE TOOL WORK
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Problems solved by technology
[0003] The present invention is to provide an automatic synchronous tracking servo steady rest, which is used to solve the technical problems of holding stability, high-precision and precise feeding, and safe and easy operation in crankshaft grinding.
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[0010] The present invention will be further described below in conjunction with drawings and embodiments.
[0011] Such as figure 1 , As shown in 2, the automatic synchronous tracking servo steady frame of the present invention includes a body shell 6, an upper supporting shafting system, a lower supporting shafting system, and an electrical control system.
[0012] The upper supporting shaft system is composed of the first servo motor 3, the first reduction mechanism 1, the upper driving screw 10, and the upper supporting shaft 11, wherein the upper supporting shaft 11 is installed on the upper part of the body shell 6 and passes through the upper driving screw 10 and the first The output shaft of a reduction mechanism 1 is connected, and the input shaft of the first reduction mechanism 1 is connected to the first servo motor 3; the lower supporting shaft system consists of the second servo motor 2, the second reduction mechanism 4, the lower driving screw 9, the shaft 8, an...
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The invention relates to an automatic synchronous tracking servo centre frame, comprising a body shell, an upper support shaft system and a lower support shaft system, wherein the upper support shaft system is composed of a first servo motor, a first reducing mechanism, an upper driving screw rod and an upper support shaft; the upper support shaft is arranged at the upper part of the body shell and is connected with an output shaft of the first reducing mechanism by the upper driving screw rod; an input shaft of the first reducing mechanism is connected with the first servo motor; the lower support shaft system is composed of a second servo motor, a second reducing mechanism, a lower driving screw rod, a shaft, a triangle level and a lower support shaft; the lower support shaft is fixedly connected with the front end of the triangle level; the triangle level is movably connected with the body shell by a pin shaft; the rear end surface of the triangle level is in contact connection with the shaft arranged at the lower part of the body shell, the shaft is connected with an output shaft of the second reducing mechanism by the lower driving screw rod; and an input shaft of the second reducing mechanism is connected with the second servo motor. The tracking numerical value of the centre frame is very accurate, and the processing precision of a crankshaft workpiece is guaranteed.
Description
technical field [0001] The invention relates to a machine tool servo center frame, in particular to an automatic synchronous tracking center frame structure for crankshaft processing. Background technique [0002] The crankshaft is a flexible shaft with poor rigidity. In the grinding process, there must be a center support to maintain the stability of the crankshaft rotation; and the journal supported by the crankshaft must be ground, so the center frame must have good feed accuracy; in addition, the shaft supported by the crankshaft The neck is generally not large, but the diameter of the crankshaft is much larger, so the steady frame must require enough space to ensure that the overall moving position will not interfere with the workpiece. In the past, the servo axis control was a single "torque control" or "position control". Due to their own shortcomings in actual operation, it was difficult to achieve the functions of stable support and precise feeding. Contents of t...
Claims
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IPC IPC(8): B23Q1/76
Inventor 汪学栋姜佳琦谢永强黄华陈建民蔡国英
Owner SHANGHAI MACHINE TOOL WORK