Hole opener adjustable in hole diameter

A hole opener and hole diameter technology, which is used in drilling/drilling equipment, components of boring machines/drilling machines, and manufacturing tools, etc., can solve the problems of inconvenient processing and unsatisfactory processing quality, and save carrying space and materials. Effect

Inactive Publication Date: 2017-05-24
南京师范大学附属中学
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, holes are drilled on the plate by a hole saw with a fixed hole size. Every 5 mm in diameter is a model grade. hard to ideal

Method used

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  • Hole opener adjustable in hole diameter
  • Hole opener adjustable in hole diameter
  • Hole opener adjustable in hole diameter

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Experimental program
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Effect test

Embodiment Construction

[0023] Embodiments of the present invention will be described in further detail below in conjunction with the accompanying drawings.

[0024] A hole opener with adjustable aperture of the present invention, which includes a tool holder 1 and several drilling cutter bodies 2, the middle part of the tool holder 1 is axially provided with a through hole 11 for fixing with a drill bit, and the upper surface of the tool holder 1 There are several knife grooves 12, the inner end of the knife groove 12 extends to the through hole 11, the outer end extends to the side of the tool holder 1, the inner side of the knife groove 12 is provided with a vertical locking structure 13 of the knife groove, and the tool holder 1 is coaxially arranged An annular adjusting disc 3 is arranged, and the annular adjusting disc 3 can rotate in the knife rest 1. The upper surface of the annular adjusting disc 3 is provided with a helical track 31, and the track 31 passes under the knife groove 12, and is ...

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PUM

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Abstract

The invention discloses a hole opener adjustable in hole diameter. A plurality of tool grooves are formed in the upper surface of a tool rest; the inner ends of the tool grooves extend to the position of a through hole, and the outer ends of the tool grooves extend to the side face of the tool rest; a tool groove vertical locking structure is arranged on the inner side face of each tool groove; an annular adjusting disk is coaxially arranged in the tool rest; a track in the shape of a spiral line is arranged on the upper surface of the annular adjusting disk, penetrates from the position below the tool grooves and is perpendicular to the direction of the tool grooves; a hole drilling tool body comprises a tool column and a tool bit; a tool column vertical locking structure is arranged on the side face of the tool column; the tool rest is provided with an adjusting hole; an outer end opening of the adjusting hole is in the outer surface of the tool rest; the inner end of the adjusting hole is arranged in the tool rest; a gear is arranged at the inner end of the adjusting hole; a gear ring is arranged on the lower surface of the annular adjusting disk; and the gear is engaged with the gear ring. According to the hole opener adjustable in hole diameter, the size of the diameter of an opened hole can be freely adjusted, the original situation that numerous drill bits in different fixed hole diameter specifications are needed when a hole opener product set material is manufactured is changed, materials are saved, and the carrying space is saved.

Description

technical field [0001] The invention belongs to the field of plate processing, and in particular relates to a hole opener with adjustable hole diameter. Background technique [0002] Plate processing and drilling are essential processing procedures in the manufacturing industry and decoration industry. At present, holes are drilled on the plate by a hole saw with a fixed hole size. Every 5 mm in diameter is a model grade. When the hole diameter is non-standard, you have to do it manually if you want to punch holes. It's hard to be ideal. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a hole opener with adjustable aperture for the above-mentioned deficiencies in the prior art. The hole opener of the present invention can adjust the size of the hole diameter arbitrarily, which changes the original situation that many drill bits with different fixed aperture specifications are required to manufacture a set of hol...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23B51/04
CPCB23B51/00
Inventor 程天舜
Owner 南京师范大学附属中学
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