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Drill bit

A drilling stand and sliding column technology, which is used in repairing drilling, drilling tool accessories, boring/drilling, etc., can solve problems such as low precision and inability to detect errors in time.

Inactive Publication Date: 2019-05-17
CHANGSHA UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The hole saw is a common tool in the field of mechanical processing. The existing hole saw has a fixed hole diameter and an adjustable hole saw. The existing adjustable hole saw has low precision and cannot be found in time when an error occurs. technical problem

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0139] Embodiment 1, an adjustable hole opener is characterized in that: it includes a drill stand (1), a knife rest (2), a screw rod (3), a baffle plate (4), a guard plate (5), a positioning gear (6) ), buckle (7), blade (8), spring (9), button (10), scale plate (14), buckle plate (69);

[0140] The drilling frame (1) includes a support rod (1-1), a slide rail (1-2), a connecting column (1-3), a first screw hole (1-5-1), a second screw hole (1-5 -2); in the drill stand (1): the slide rail (1-2) consists of the first sliding column (1-2-1), the second sliding column (1-2-2), the third sliding column (1- 2-3), the fourth sliding column (1-2-4) constitutes;

[0141] In the drill stand (1): the first screw hole (1-5-1) and the second screw hole (1-5-2) are located on the support rod (1-1);

[0142] In the drill stand (1): the first sliding column (1-2-1), the second sliding column (1-2-2), the third sliding column (1-2-3), the fourth sliding column (1- 2-4), all four have a fi...

Embodiment 2

[0252] Embodiment 2, based on Embodiment 1, further: in the drill frame (1): the second end (1-4-1) of the first sliding post (1-2-1) has an eleventh installation hole ( 1-4-11); the eleventh mounting hole (1-4-11), the first sliding column (1-2-1), the axes of the two are perpendicular.

Embodiment 3

[0253] Embodiment 3, based on Embodiment 1, further: in the drill frame (1): the second end (1-4-2) of the second strut (1-2-2) has a twenty-first installation hole (1-4-21); the twenty-first mounting hole (1-4-21), the second sliding column (1-2-2), the two axes are vertical.

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PUM

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Abstract

The invention discloses an adjustable perforating device. The adjustable perforating device is characterized by comprising a drill frame (1), knife rests (2), screw rods (3), baffle plates (4), protective plates (5), positioning gears (6), buckle rings (7), blades (8), springs (9), buttons (10) and scale plates (14). The adjustable perforating device is simple and stable in structure and convenient to use, the error of the perforating device can be found in time, and adjustment can be conveniently carried out.

Description

technical field [0001] The invention relates to the field of drill bits, in particular to drill bits. Background technique [0002] The hole saw is a common tool in the field of mechanical processing. The existing hole saw has a fixed hole diameter and an adjustable hole saw. The existing adjustable hole saw has low precision and cannot be found in time when an error occurs. technical problem. Contents of the invention [0003] In order to solve the above problems, the present invention designs an adjustable hole opener, the content of the invention is as follows. [0004] Technical content 1. An adjustable hole opener, characterized in that it includes a drill stand (1), a tool holder (2), a screw rod (3), a baffle plate (4), a guard plate (5), a positioning gear (6) ), snap ring (7), blade (8), spring (9), button (10), scale plate (14); [0005] The drilling frame (1) includes a support rod (1-1), a slide rail (1-2), a connecting column (1-3), a first screw hole (1-5-...

Claims

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Application Information

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IPC IPC(8): B23B41/00B23B51/04B23Q1/01B23Q11/08B23Q17/22
Inventor 郭磊梁亮庞佑霞许焰陈蕾张志宏吴泽超
Owner CHANGSHA UNIVERSITY
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