Protecting method and device for air static pressure electric spindle, and cutter
An air static pressure and protection device technology, applied in maintenance and safety accessories, metal processing machinery parts, metal processing equipment, etc., can solve problems such as scrapping, aerostatic electric spindle wear, etc., to reduce costs, improve reliability, Avoid the effect of being damaged
Inactive Publication Date: 2012-05-30
CETC BEIJING ELECTRONICS EQUIP
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Problems solved by technology
[0009] Aiming at the problem in the related art that the aerostatic electric spindle is worn out or even scrapped due to the low air pressure of the air supply, the present invention proposes a protection method and device for the aerostatic electric spindle, and a cutting machine, which can be used when the air supply air pressure is too high. Maintain the air pressure of the aerostatic electric spindle under low conditions, so as to effectively prevent the aerostatic electric spindle from being damaged
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[0030] Aiming at the problem in the related art that the aerostatic electric spindle is worn or even scrapped due to the low air pressure of the air supply, the present invention proposes that a one-way valve and a gas container are arranged between the aerostatic electric spindle and the gas supply part, wherein, The one-way valve can allow the gas from the gas supply part to enter the gas container, and can prevent the gas in the gas container from flowing to the gas supply part, so that even if the gas pressure supplied by the gas supply part is too low or the gas supply part stops supplying gas unexpectedly , the air static electric spindle can also stop working under the air pressure of the gas stored in the gas container, so as to avoid the problem of wear of the air static electric spindle caused by the air pressure being too low and the air static electric spindle cannot stop rotating immediately in the related art, It can effectively protect the aerostatic electric spi...
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The invention discloses a protecting method and a protecting device for an air static pressure electric spindle, and a cutter. The device comprises a check valve and an air container, wherein the check valve is arranged between an air providing part and the air container, allows air from the air providing part to enter into the air container, and is used for preventing the air in the air container from flowing to the air providing part; and the air container is communicated with a air circuit inlet of the air static pressure electric spindle and is used for providing the air input by the air providing part through the check valve to the air circuit inlet of the air static pressure electric spindle. Through the invention, under the conditions that the air pressure of the air is too low or even the air supply is stopped caused by abnormality of the air providing part or air leakage and other reasons, the air static pressure electric spindle is protected, a workpiece is protected against being damaged simultaneously, the reliability of a machining process of the workpiece is improved, and the cost is reduced.
Description
technical field [0001] The invention relates to the field of integrated circuit packaging equipment manufacturing, in particular to an aerostatic electric spindle protection method and device, and a cutting machine. Background technique [0002] At present, the aerostatic electric spindle is a commonly used component. It has the advantages of high precision, high speed, good stability, low friction, and easy heat dissipation. It can be mainly used in cutting machines and other equipment. [0003] When the aerostatic electric spindle is working, the compressed air that has been precisely filtered will enter the channel of the aerostatic electric spindle casing through the pipeline, then flow into the throttle hole of the bearing, and then flow into the gap between the bearing and the shaft to form a A layer of pressure air film floats the rotating shaft, so that the rotating shaft can rotate stably under the action of air pressure. [0004] Generally, the cutting machine usi...
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Login to View More IPC IPC(8): B23Q11/00B23B19/02
Inventor 贾月明王明权杨云龙王兵锋李战伟常亮
Owner CETC BEIJING ELECTRONICS EQUIP