Circular tapper

Abstract

The invention discloses a circular tapper and relates to the field of machinery equipment. During usage of the circular tapper, a user holds a rotary plate with the hands, a sharp head of a circle center drilling rod is aligned to the tapping circle center of a plate, and then the user holds a handle with the hands to rotate the circle center drilling rod to drill into the plate till the depth reaches an appropriate value; then a threaded pipe is rotated on a threaded rod, the distance between a sharp head of a tapping cutter and the sharp head of the circle center drilling rod is the radius length of the a needed tapped hole; then the user holds a rotary handle with the hands to rotate the tapping cutter in a threaded hole of a supporting plate; the tapping cutter is rotated and insertedinto the plate; and finally, the user presses the handle with one hand and rotates the rotary plate with the other hand, thus the rotary plate drives the threaded rod and the tapping cutter to rotatefor a circle, and a circular hole can be conveniently and fast formed in the plate. The circular tapper is simple in design and low in cost, works reliably, can be directly fixed to the plate for tapping machining of the plate, and is quite convenient to operate.

Description

technical field [0001] The invention relates to the field of mechanical equipment, in particular to a circular hole opener. Background technique [0002] When machining thin plates, it is often necessary to cut round holes in the plates for threading or protruding equipment parts. However, the design of the existing drilling equipment is relatively complicated, the manufacturing cost is high, and the plate needs to be fixed on the top of the equipment to drill the holes, so the operation is very troublesome. For the thin plate of many equipment shells, it is necessary to disassemble the shell and then install it on the top of the hole opening device to open the hole, which is very troublesome to process. Contents of the invention [0003] The technical problem mainly solved by the present invention is to provide a circular hole opener, which is simple in design, low in cost and reliable in operation. It can be directly fixed on the plate to process the plate and is ve...

AI Technical Summary

Problems solved by technology

However, the design of the existing drilling equipment is relatively complicated, the manufacturing cost is high, and the plate needs to be fixed on the top of the equipment to open the hole, so the operation is very troublesome.

For the thin plate of many equipment shells, it is necessary to disassemble the shell, and then install it on the top of the hole opening device to open the hole, which is very troublesome to process.

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