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A device for measuring the taper of the head of a countersunk head part

A technology for measuring devices and parts, applied in measuring devices, mechanical measuring devices, angle/taper measurement, etc., can solve problems such as low measurement efficiency, and achieve the effects of improving measurement accuracy, convenient use, and convenient operation

Active Publication Date: 2022-07-19
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

[0004] The purpose of the present invention is to provide a head taper measurement device for countersunk head parts to solve the technical problem of low measurement efficiency in the prior art when measuring head taper by projection

Method used

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  • A device for measuring the taper of the head of a countersunk head part
  • A device for measuring the taper of the head of a countersunk head part
  • A device for measuring the taper of the head of a countersunk head part

Examples

Experimental program
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Effect test

specific Embodiment 1

[0033] like Figure 2 to Figure 5 As shown in the figure, the measuring device is used to measure the taper of the head of the countersunk head, including two mutually hinged measuring plates, the two measuring plates are arranged in a V shape, and a through channel is formed between the two measuring plates, which can make the countersunk head The rod part of the countersunk type part passes through, and the head of the countersunk head type part is supported on the two measuring plates. By changing the angle of the two measuring plates, the bonding surface of the measuring plate can be attached to the head cone surface of the countersunk head type part. superior. The measuring device also includes a protractor. After the two measuring plates are attached to the heads of the countersunk parts, the angle formed by the two measuring plates is measured by the protractor, and the angle at this time is the taper of the head of the countersunk parts.

[0034] like figure 2 , i...

Embodiment 1

[0039] In Example 1, the tip of the fixed measuring plate is aligned with the zero scale line of the protractor, and the reading of the scale value of the protractor indicated by the movable measuring plate is the taper of the head. In this embodiment, the tip of the fixed measuring plate can be aligned and fixed with other scale lines in the protractor except the zero scale line.

specific Embodiment 3

[0041] In Embodiment 1, the protractor is installed on the fixed measuring plate, and the movable measuring plate can be rotated relative to the protractor. In this embodiment, the protractor has a semicircular structure, the protractor is fixedly installed on the hinge shaft, and the two measuring plates can be rotated relative to the protractor.

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Abstract

The invention relates to a head taper measuring device for countersunk parts. The measuring device includes a protractor and a measuring plate. There are two measuring plates. The two measuring plates are arranged in a V shape and one end is hingedly connected through a hinge shaft. The surface of the measuring plate is connected to the hinge. The central axes of the shafts are parallel to each other; the ends of the two measuring plates that are hinged to each other are provided with a gap, and the gaps of the two measuring plates cooperate to form a through channel, and the through channel is used for the rod of the countersunk head to penetrate in the direction perpendicular to the central axis of the hinge shaft. The through channel is located at one end of the hinge shaft; the two measuring plates are respectively provided with a fitting surface for fitting with the head cone surface of the countersunk parts; the protractor is installed on the hinge shaft or one of the measuring plates Above, the protractor is arranged perpendicular to the two measuring plates, the protractor can rotate relative to at least one of the two measuring plates, and the ends of the two measuring plates facing away from the hinge shaft are used to cooperate with the protractor to read the countersunk head type parts head the taper of the part.

Description

technical field [0001] The invention relates to a head taper measuring device of a countersunk head type part. Background technique [0002] Various countersunk head parts (countersunk head screws, countersunk head bolts, countersunk head rivets, etc.) have many structures such as figure 1 As shown, the rod portion 101 and the head portion 102 are coaxially arranged, and the head portion 102 is a cone with a tapered surface 103 on the outer periphery. After installation, the head 102 of the countersunk part is sunk under the surface of the base body, and the surface is kept flat. The head 102 needs to be matched with the countersunk hole on the surface of the base body, and the taper α of the head 102 will affect the performance after assembly. [0003] In the actual machining process, since the taper of the head 102 cannot be directly measured, the measurement is usually performed by means of projection, and the whole countersunk head part is projected onto the radial pla...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01B5/24
CPCG01B5/241
Inventor 张红军张兵点张松松穆延兵韩肖云董新燕董晨曦付翊宸李艳军孙鹏辉宋百顺刘霖胡秀娟
Owner 河南航天精工制造有限公司