A Spindle Feed Mechanism of a Digital Radial Drilling Machine

Abstract

The invention discloses a spindle feeding mechanism of a digital display type radial drilling machine. The spindle feeding mechanism consists of a horizontal shaft and a worm shaft, wherein a first gear is arranged at the upper part of a mandrel, and is engaged with a second gear; the second gear is mounted on a gearbox; a third gear is arranged in the middle of the mandrel; a worm wheel is arranged on a middle bearing of the mandrel; a middle bearing hole of the mandrel is internally provided with a second clutch; a first clutch is mounted in a hole of the worm wheel; a spring is mounted in inner holes of the first clutch and the second clutch; a hand wheel and handles are arranged at the lower part of the mandrel; a first spline housing and a second spline housing are respectively arranged at the two ends of a spline shaft; a transmission shaft is connected with the spline shaft through the second spline housing; and the spline shaft is connected with a worm through the first spline housing. The spindle feeding mechanism converts various rotation of a speed changing mechanism to axial automatic feeding movement of a spindle, and transfers manual feeding movement to the spindle, the axial automatic feeding movement and the manual feeding movement are converted to each other. The spindle feeding mechanism is simple and reasonable in structure, convenient and quick to operate, and high in working efficiency, and is applied to the machining industry.

Description

technical field [0001] The invention relates to a spindle feed mechanism of a digital display radial drilling machine in the mechanical processing industry. Background technique [0002] At present, in the mechanical processing industry, the radial drilling machine is a kind of machine tool used for single-piece or batch production of hole processing for large parts with holes. Generally, the spindle box can move on the rocker arm and rotate around the column with the rocker arm. The rocker arm moves up and down along the column to adapt to processing workpieces of different heights. Smaller workpieces are mounted on the table, and larger workpieces are placed directly on the machine base or the ground. Radial drilling machines are widely used in single-piece and small and medium-sized batch production to process holes in workpieces with large volume and weight. The main variants of radial drilling machines are slide type and universal type. The slide type radial drillin...

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Problems solved by technology

[0003] There are still many deficiencies in the spindle feed mechanism of the digital radial drilling machine. The various speeds of the spindle speed change mechanism cannot be converted into the axial automatic feed movement of the spindle. The two movements cannot be converted to each other. Infinitely variable speed cannot be realized, graphics and digital display cannot be realized at the working position, the guide rail structure is still difficult to repair after wear and tear, the control system is relatively backward, some operations are difficult to realize, cooling water is easy to spray into the digital display control system, the structure is complex, and the cost is high. Poor performance, low strength and rigidity, low transmission accuracy, short service life, time-consuming and laborious, many parts, high failure rate

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