Boring shaft outlet water cooling system

Abstract

The invention relates to machine tool cooling devices, in particular to a water outlet cooling system of a boring spindle. The water outlet cooling system comprises at least one direction-adjustable spray nozzle and cooling channels. The direction-adjustable spray nozzles are arranged along an annular surface of the front end of the boring spindle at intervals, the cooling channels include water channels, side channels, a water channel in a draw claw and a water channel in a toolbar, the water channels and the side channels are communicated with one another and are arranged in the boring spindle, each direction-adjustable spray nozzle corresponds to one water channel and one side channel, the water channels are axially arranged along the boring spindle, the side channels are axially arranged along the direction perpendicular to the boring spindle, the front ends of the water channels are connected with the direction-adjustable spray nozzles, the rear end of each water channel is communicated with one end of the corresponding side channel, an annular opening is formed in the draw claw and is communicated with the other ends of the side channels via gaps among the draw claw and the inner walls of holes of the boring spindle, the water channel in the draw claw is communicated with the annular opening, the rear end of the toolbar is connected with a rotary connector, and a threaded hole is formed in the rotary connector and is communicated with the water channel in the toolbar. The water outlet cooling system has the advantage that a cooling effect and the workpiece machining quality can be guaranteed.

Description

technical field [0001] The invention relates to a machine tool cooling device, in particular to a boring shaft water outlet cooling system. Background technique [0002] The cutting cooling of the existing boring and milling machine is generally to hang a set of outlet pipes outside the spindle box. The outlet pipe is connected with the cutting fluid pump through the pipeline, and the cutting fluid in the cutting fluid tank is used to reach the head of the spindle box through the pipeline through the pump. The biggest disadvantage of this cooling method is that when processing large deep cavity parts, the cutting fluid cannot reach the cutting position of the tool, chips will accumulate during the cutting process, and processing without cooling will cause the temperature of the cutting part to be too high High, affecting the tool life and processing effect, in severe cases, it will damage the tool and workpiece. Especially when processing workpieces with high hardness witho...

AI Technical Summary

Problems solved by technology

[0002] The cutting cooling of the existing boring and milling machine is generally to hang a set of outlet pipes outside the spindle box. The outlet pipe is connected with the cutting fluid pump through the pipeline, and the cutting fluid in the cutting fluid tank is used to reach the head of the spindle box through the pipeline through the pump. The biggest disadvantage of this cooling method is that when processing large deep cavity parts, the cutting fluid cannot reach the cutting position of the tool, chips will accumulate during the cutting process, and processing without cooling will cause the temperature of the cutting part to be too high High, affecting the tool life and processing effect, in severe cases, it will damage the tool and workpiece

Especially when processing workpieces with high hardness without cooling, the service life of the tool will be greatly reduced due to the lack of cooling fluid, which will reduce the processing efficiency, affect the processing progress and the quality of the processed workpiece, and even cause the workpiece to be unprocessable

[0003] In order to overcome the defects of the existing cooling methods, a central water outlet device can be used, but the center water outlet system must use a hollow tool to be effective, but most of the tools do not have a special hollow water channel, so cooling with a central water outlet device cannot be widely used

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