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Axis pointer of hollow drill bit

A technology of hollow drill bit and pointer, which is applied in the parts of boring machine/drilling machine, the measurement of positioning in boring machine/drilling machine, drilling/drilling equipment, etc. problem, to achieve the effect of improving efficiency and quality

Inactive Publication Date: 2012-10-31
SUZHOU TABINUO ELECTROMECHANICAL
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] In metal processing, the drill bit is a very frequently used tool. When drilling, the drill bit bears a lot of stress. When drilling, it is not necessary to drill the metal of the entire hole, but only need to drill a circle of metal. When the hole is drilled, the iron core in the cavity will also fall out, which greatly reduces the drilling efficiency. Difficulty, saves time, improves efficiency, but the hollow drill needs to locate the axis, that is, find the axis of the drill, and then align the axis with the center of the hole to be drilled. In actual operation, if there is no axis positioning pointer, It is difficult to find the center of the hole to be drilled, so that the machining error is large and the quality of the drilled hole is not high

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  • Axis pointer of hollow drill bit
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Embodiment Construction

[0011] The specific embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0012] Such as figure 1 , 2 As shown, the axis pointer of the hollow drill bit of the preferred embodiment of the present invention includes a needle sleeve rod 1, the needle sleeve rod 1 is provided with a hollow cavity 2, and one end is also provided with a through hole 3 whose aperture is smaller than the diameter of the cavity , the inner wall of the cavity at the other end is provided with threads (not shown), and a pointer 5 is partially accommodated in the cavity 2. One end of the pointer 5 is pointed and thin, which is convenient for indicating the axis, and the other end is also provided with a cylindrical boss 4 to prevent The pointer 5 slides out of the cavity 2, and a spring 6 is accommodated in the cavity 2, and a sealing cap 7 whose outer wall is provided with threads (not shown) cooperates with the cavity 2 inner wa...

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Abstract

The invention discloses an axis pointer of a hollow drill bit. The axis pointer comprises a pointer and is characterized in that the pointer is partially accommodated in a hollow pointer sleeve rod, a spring is also accommodated in the pointer sleeve rod, and the end part of a pointer sleeve is provided with a sealing cap. By using the axis pointer of the hollow drill bit, disclosed by the invention, as the pointer is accommodated in the pointer sleeve rod with the spring, the pointer is mounted at the axis of the hollow drill bit in a matched way during drilling, and the circle center of a drilled hole is accurately located; and when the pointer is stressed by a workpiece during drilling, the pointer can be retracted into the pointer sleeve rod without affecting the drill bit in drilling, so that the quality of the drilled hole is improved when the efficiency is increased.

Description

technical field [0001] The invention relates to a hollow drill bit, in particular to an axis pointer of the hollow drill bit. Background technique [0002] In metal processing, the drill bit is a very frequently used tool. When drilling, the drill bit bears a lot of stress. When drilling, it is not necessary to drill the metal at the position of the entire hole, but only need to drill a circle of metal. When the hole is drilled, the iron core in the cavity will also fall out, which greatly reduces the drilling efficiency. Difficulty, saves time, improves efficiency, but the hollow drill needs to locate the axis, that is, find the axis of the drill, and then align the axis with the center of the hole to be drilled. In actual operation, if there is no axis positioning pointer, Just be difficult to find the center of circle of the desired drilling, the processing error is big like this, and the drilling quality is not high. Contents of the invention [0003] The invention o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23B49/00
Inventor 杨保强
Owner SUZHOU TABINUO ELECTROMECHANICAL
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