Movable low-speed bench drill

Abstract

The invention relates to a movable low-speed bench drill, and belongs to the field of mechanical processing. A center drill rod drive speed reducer (5) comprises a drive motor (5-1), a controller (5-2), a driving gear (5-3), a driving gear shaft (5-4), a driving gear bearing (5-5), a driving gear bearing support (5-6), an intermediate gear (5-7), an intermediate gear shaft (5-8), an intermediate gear bearing (5-9), an intermediate gear support (5-10), a driven gear (5-11) and a driven gear shaft (5-12). The movable low-speed bench drill is characterized in that the center drill rod drive speed reducer (5) is arranged in a drill casing (1) between an stand column (2) and a center drill rod device (4); and a central axis of the drive motor (5-1) is parallel to the central axes of a center drill rod (4-3) and the stand column (2). The movable low-speed bench drill has the benefits that the drilling accuracy is high, the mobility performance is good, the rotating speed is adjustable, and the bench drill can be directly absorbed on a large workpiece for use.

Description

Technical field: [0001] The invention relates to a bench drill, in particular to a mobile low-speed bench drill, which belongs to the field of mechanical processing. technical background: [0002] So far, the bench drills, radial drills and magnetic base drills disclosed on the market have high drilling precision and convenient operation, while the magnetic base drill has the advantages of good moving performance, etc., which are recognized and recognized by the mechanical field. is widely used. However, they have their own shortcomings in special occasions. For example, bench drills and rocker drills are generally fixed in the workshop. When drilling, the workpiece is clamped on the platform. If a large workpiece is encountered, it cannot be clamped. It is held on its platform, which shows that the mobility of bench drills and radial drills is poor. Another example is the magnetic base drill. The drilling is completed by the up and down movement of its driving motor. If ...

AI Technical Summary

Problems solved by technology

However, they have their own shortcomings in special occasions. For example, bench drills and rocker drills are generally fixed in the workshop. When drilling, the workpiece is clamped on the platform. If a large workpiece is encountered, it cannot be clamped. It is held on its platform, which shows that the mobility of bench drills and radial drills is poor

Another example is the magnetic base drill. The drilling is completed by the up and down movement of its driving motor. If the fit is too tight, the resistance during drilling will be too large. If the dovetail groove fits too loosely, the drilling accuracy will not be guaranteed if the drill bit swings left and right. This shows that the drilling accuracy of the magnetic base drill is poor.

Another example is that the speed of ordinary bench drills and magnetic base drills is too high and cannot be adjusted.

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