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Drill chuck

A technology for drill chucks and flanges, applied in the direction of tool joints, etc., which can solve problems such as insufficient clamping force, inaccurate centering, and slippage of drill bits, so as to achieve good centering, improve production quality and efficiency, and increase clamping force Effect

Inactive Publication Date: 2012-12-05
SUZHOU DONGLI MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the drill chuck in the prior art clamps the drill bit with a bevel gear wrench, the drill bit often slips due to insufficient clamping force; if the groove teeth of the drill chuck shell are hit with a hammer to make it clamp or loosen, Frequent use will affect the accuracy of the drill chuck; when clamping a drill below ∮10mm, it often causes the drill to swing because the drill is too long, and the centering is not accurate so that the hole is drilled.

Method used

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  • Drill chuck

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Embodiment Construction

[0010] The present invention is described below in conjunction with accompanying drawing.

[0011] attached figure 1 The drill chuck according to the present invention includes a drill chuck body 1, a flange 2, and a taper shank 3; the flange 2 is fixedly sleeved on the outer diameter of the drill chuck body 1 through bolts 7; the method A through hole 5 is provided on the outer circle of the flange 2; a lock sleeve 4 is provided inside the drill chuck body 1; one end of the taper handle 3 is connected in the lock sleeve 4; a mounting hole 6 is provided inside the taper handle 3; A flange 2 is socketed on the drill chuck body 1, and a through hole 5 is provided on the outer circle of the flange 2, and then a straight handle wrench is inserted into the through hole 5 to pull the drill chuck body 1 to realize the rapid drilling of the drill chuck. Clamping or loosening improves the clamping force on the drill bit; through the installation hole 6 in the tapered shank 3, the dril...

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Abstract

The invention discloses a drill chuck. The drill chuck comprises a drill chuck body, a flange and a taper shank, wherein the flange is fixedly sleeved on the outer diameter of the drill chuck body through a bolt; a through hole is formed on the outer circle of the flange; a locking sleeve is arranged inside the drill chuck body; one end of the taper shank is connected to the inside of the locking sleeve; and a mounting hole is formed in the taper shank. According to the drill chuck, the flange is sleeved on the drill chuck body, the through hole is formed on the outer circle of the flange, and a straight spanner is inserted into the through hole to wrench the drill chuck body to ensure that the drill chuck can be quickly clamped or loosened, so that clamping force to a drill bit is improved; and the mounting hole is formed in the taper shank, and the handle part of the drill bit is inserted into the mounting hole, so that the oscillation of the drill bit can be effectively controlled, the drill bit is well centered, and the production quality and efficiency are improved.

Description

technical field [0001] The invention relates to a mechanical clamp for clamping rod tools such as a drill bit and a screw tap, in particular to a drill chuck for clamping a drill bit. Background technique [0002] As a rotating tool clamping structure, the drill chuck is used to clamp various rotating tools such as drill bits and taps, and is widely used. Rotary tools can be loosened or clamped by manually rotating the chuck housing. When the drill chuck in the prior art clamps the drill bit with a bevel gear wrench, the drill bit often slips due to insufficient clamping force; if the groove teeth of the drill chuck shell are hit with a hammer to make it clamp or loosen, Frequent use will affect the precision of the drill chuck; when clamping a drill bit below ∮10mm, the drill bit often swings because the drill bit is too long, and the centering is not accurate so that the hole is deviated. Contents of the invention [0003] In view of the above-mentioned technical probl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23B51/12
Inventor 叶晓峰
Owner SUZHOU DONGLI MACHINERY
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