Cover-plate drilling device

Abstract

The invention discloses a cover-plate drilling device and relates to a drilling device. The cover-plate drilling device comprises a rack, a drill and a clamping part. The clamping part is composed of a clamping unit and a base. The clamping unit comprises an ejection rod, a press block, a push rod and an ejection pin. The ejection rod is horizontally arranged and is in sliding connection with the base, and the ejection rod cannot rotate relative to the base. One end of the ejection rod is in threaded connection with a lock nut, and the other end of the ejection rod is hinged to the middle of the press block. The press block is arranged vertically, the upper end of the press block is a limiting end, the lower end of the press block is an ejection end, a limiting rib is arranged at the limiting end of the press block, and the ejection end of the press block makes contact with one end of the push rod. The push rod is horizontally arranged and is in sliding connection with the base. The ejection pin is vertically arranged and is in sliding connection with the base, and the ejection pin and the push rod are provided with wedge surfaces matched with each other. After a workpiece is clamped by the device, a certain space is formed between the workpiece and the base since the workpiece is jacked up by the ejection pin.

Description

technical field [0001] The invention relates to a drilling device, in particular to a cover plate drilling device. Background technique [0002] In some components of the automobile, most of them include the casing and the internal transmission parts. The casing usually has the function of supporting the transmission parts; the casing is usually composed of a cavity and a cover plate, so it is usually necessary to drill threaded connection holes on the cover plate. And in order to have a better sealing effect between the cover plate and the cavity, a sealing ring needs to be set between the cavity and the cover plate, so the installation groove of the sealing ring needs to be milled out on the cover plate; The reference block is generally set when clamping. The reference block used now is the horizontal reference block located below. However, when drilling and milling the cover plate, a large amount of iron filings will be generated under the cover plate. It is necessary to...

AI Technical Summary

Problems solved by technology

[0002] In some components of the car, most of them include the housing and the internal transmission parts. The housing usually has the function of supporting the transmission parts; the housing is usually composed of a cavity and a cover plate, so it is usually necessary to drill threaded connection holes on the cover plate. And in order to have a better sealing effect between the cover plate and the concave cavity, a sealing ring needs to be set between the concave cavity and the cover plate, so the installation groove of the sealing ring needs to be milled out on the cover plate; It is generally necessary to set a reference block when clamping. The current reference block is a horizontal reference block located below. However, when the cover plate is drilled and milled, a large amount of iron filings will be generated under the cover plate. Therefore, when processing It is necessary to clean the iron filings constantly, but because the interval between the workpiece and the reference block is too small, the accumulation of iron filings is very fast, and at the same time, the small gap is not conducive to the cleaning of iron filings

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