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A flange nut tapping tool

A technology of flange nuts and tooling, applied in positioning devices, clamping devices, manufacturing tools, etc., can solve problems such as inability to guarantee verticality, and achieve the effect of high verticality accuracy

Active Publication Date: 2017-06-16
河南航天精工制造有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a flange nut tapping tool, which aims to solve the problem in the prior art that the perpendicularity between the axis of the inner screw hole and the end face of the flange cannot be guaranteed during the tapping and clamping process of the flange nut

Method used

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Examples

Experimental program
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Embodiment Construction

[0022] Embodiment of flange nut tapping frock among the present invention: as Figure 3 to Figure 6 As shown, the tool is a hexagonal flange surface nut drilling machine tapping tool, mainly composed of a fixed frame 1, an upper splint 2 and a lower splint 3, and the upper splint 2 and the lower splint 3 are fixed on the fixed frame 1 at intervals up and down. , and the upper splint 2 and the lower splint 3 are disc-shaped plates. The upper splint 2 is provided with a number of positioning grooves 21 evenly spaced along the circumferential direction. The groove width of the positioning grooves 21 gradually increases from the smallest one along the clockwise direction, and the positioning grooves 21 are the profiles for the flange nuts. The section is a vertically extending profile positioning channel for anti-rotation inserting in the axial direction, and the opposite side groove walls of the positioning groove 21 are used to guide the opposite sides of the outer peripheral su...

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Abstract

The invention discloses a flange nut tapping tool. The tool is used for axially clamping a ring-shaped skirt edge of the flange nut by virtue of upper and lower clamping plates, clamping and positioning the profile section of the flange nut by virtue of a profile positioning channel on the upper clamping plate, positioning the flange end surface of the flange nut by virtue of a positioning plane of the lower clamping plate, guaranteeing the vertical relationship between the flange end surface and the profile section of the flange nut after clamping by virtue of the vertical relationship between a vertical extending profile positioning channel and a horizontal extending positioning plane, namely guaranteeing that the flange end surface of the flange nut is vertical to the axis of an inner screw hole, so that the problem that the perpendicularity between the axis of the inner screw hole and the flange end surface in the tapping and clamping process of the flange nut in the prior art cannot be guaranteed is solved.

Description

technical field [0001] The invention relates to a flange nut tapping tool. Background technique [0002] Flange nuts (including hexagonal flange nuts, twelve-point flange nuts, etc.) are widely used in aviation, ships, automobiles and other fields as industrial basic parts for fastening with bolts, screws and screws. Such as figure 1 with figure 2 As shown, taking a hexagonal flange nut as an example, the flange nut has a hexagonal section 100 and a flange section 200 integrally arranged, and the flange section 200 is provided with an annular skirt 201 protruding from the outer periphery of the flange nut. The opposite end faces of the segment 100 and the flange segment 200 are the flange end face 202 and the hexagonal end face of the flange nut, and ring-shaped chamfered cut surfaces are respectively provided at both ends of the inner screw hole of the flange nut. The main accuracy requirement of the flange nut is the perpendicularity requirement between the axis of the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23Q3/06
CPCB23Q3/062B23Q2703/10
Inventor 沈鹏张智勇连实慧庄俊林张红军
Owner 河南航天精工制造有限公司
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