阅读说明：本技术 一种新型孔径检测治具、孔径测量高度规及其检测方法 (Novel aperture detection jig, aperture measurement height gauge and detection method thereof ) 是由 吕华 于 2018-08-19 设计创作，主要内容包括：本发明提供了一种新型孔径检测治具,包括一体结构的测量块和固定块,所述测量块与固定块为相同轴心,所述测量块为锥形,其最下方为零点,所述固定块上设有与测量块相同轴心的安装孔。一种孔径测量高度规,采用了孔径检测治具。本发明的有益效果为：利用高度规带动测量块的锥体向下移动,通过三角函数计算出测量得出的孔径数值,一次即可判断孔径是否合格,测量效率大大提高。(The invention provides a novel aperture detection jig which comprises a measuring block and a fixed block which are of an integrated structure, wherein the measuring block and the fixed block are in the same axis, the measuring block is conical, the lowest part of the measuring block is a zero point, and the fixed block is provided with a mounting hole which is in the same axis as the measuring block. An aperture measuring height gauge adopts an aperture detection jig. The invention has the beneficial effects that: the cone of the measuring block is driven to move downwards by the height gauge, the aperture numerical value obtained by measurement is calculated through the trigonometric function, whether the aperture is qualified or not can be judged once, and the measuring efficiency is greatly improved.)

1. The utility model provides a novel aperture detection tool which characterized in that: the measuring block and the fixed block are of an integrated structure, the measuring block and the fixed block are in the same axis, the measuring block is in a conical shape, the lowest part of the measuring block is a zero point, and the fixed block is provided with a mounting hole which is in the same axis as the measuring block.

2. The novel aperture detection jig of claim 1, characterized in that: the fixing block is provided with a fixing screw which is vertical to the mounting hole, and the fixing screw is screwed on the fixing block and can extend into the mounting hole.

3. An aperture measurement height gauge, its characterized in that: the aperture detection tool of any one of claims 1 or 2 is used.

4. A method of pore size measurement, comprising: the method comprises the following steps of using a height gauge, wherein the height gauge is provided with a probe of a vertical method, and the probe of the height gauge moves up and down to measure the height gauge, and comprises the following steps:

s1, placing the probe into the mounting hole, and fixing the fixing block and the probe by using a fixing screw;

s2, placing a workpiece to be measured on a measuring table, wherein a measuring hole in the workpiece is vertically arranged, and a lowest zero point of a measuring block is contacted with the upper end face of the workpiece, and the reading of a height gauge is set to be 0;

s3, taking the center of the measuring hole of the workpiece and the measuring block as the same axis, moving the measuring block downwards to form a contact point when the cone is contacted with the measuring hole, stopping moving, and reading the distance b of the downward movement;

and S4, calculating the actual result data of the diameter a of the measuring hole according to the distance b, and judging whether the diameter a is qualified or not.

5. A method of pore size measurement according to claim 4, wherein: in the step S1, the probe, the fixed block, and the measuring block are disposed on the same axis.

6. A method of pore size measurement according to claim 4, wherein: in the step S3, the data b of the measurement block moving downward from 0 is less than or equal to the depth of the measurement hole.

7. A method of pore size measurement according to claim 4, wherein: the steps S1 and S2 are limited to use when measuring the first workpiece.

Technical Field

The invention relates to the field of jig detection, in particular to a novel aperture detection jig, an aperture measurement height gauge and a detection method thereof.

Background

In the field of machining, the control of the aperture of a workpiece is very important, in order to better control the aperture of the workpiece, a go-no go gauge is generally adopted for measurement, each aperture needs to be measured twice, namely, the go-no go gauge is used once and the no-go gauge is used once, whether the aperture is qualified or not can be known, the influence on proportional sampling measurement is not great, but for products needing full measurement, a great amount of time and manual measurement are needed on the side.

Disclosure of Invention

The invention aims to provide a novel jig for detecting aperture by utilizing height gauge advancement and a rapid detection method thereof, so as to solve the problems in the background art.

In order to achieve the above purpose, the invention provides the following technical scheme:

the utility model provides a novel aperture detection tool, includes measuring block and the fixed block of a body structure, measuring block and fixed block are the same axle center, measuring block is the toper, and its below is zero, be equipped with on the fixed block with measuring block looks coaxial mounting hole.

According to the further technical scheme, a fixing screw perpendicular to the mounting hole is arranged on the fixing block, and the fixing screw is screwed on the fixing block and can extend into the mounting hole.

An aperture measuring height gauge adopts an aperture detection jig.

An aperture measuring method comprises the following steps of using a height gauge, wherein a probe of a vertical method is arranged on the height gauge, and the probe of the height gauge moves up and down to measure the aperture:

s1, placing the probe into the mounting hole, and fixing the fixing block and the probe by using a fixing screw;

s2, placing the workpiece to be measured on the measuring table, enabling the measuring hole in the workpiece to be vertically arranged, enabling the lowest zero point of the measuring block to be in contact with the upper end face of the workpiece, and setting the reading of the height gauge to be 0 at the moment.

And S3, taking the center of the measuring hole of the workpiece and the measuring block as the same axis, moving the measuring block downwards to form a contact point when the cone is contacted with the measuring hole, stopping moving, and reading the distance b of the downward movement.

And S4, calculating the actual result data of the diameter a of the measuring hole according to the distance b, and judging whether the diameter a is qualified or not.

In a further technical scheme, in the step S1, the probe, the fixed block and the measuring block are arranged on the same axis.

In a further technical solution, in the step S3, the data b of the measurement block moving downward from 0 is less than or equal to the depth of the measurement hole.

In a further aspect, the steps S1 and S2 are limited to use in measuring the first workpiece.

The invention has the beneficial effects that:

the cone of the measuring block is driven to move downwards by the height gauge, the aperture numerical value obtained by measurement is calculated through the trigonometric function, whether the aperture is qualified or not can be judged once, and the measuring efficiency is greatly improved.

Drawings

FIG. 1 is a block diagram of the present invention;

fig. 2 is a schematic view of the measurement principle of the present invention.

Detailed Description

The invention is further described below with reference to the accompanying drawings:

as shown in fig. 1 ~ 2, a novel aperture detection jig, includes measuring block 1 and fixed block 2 of integrative structure, measuring block 1 is the same axle center with fixed block 2, measuring block 1 is cone 11, and its below is zero point 12, be equipped with on fixed block 2 with the mounting hole 21 of measuring block 1 same axle center.

According to a further technical scheme, a fixing screw 22 perpendicular to the mounting hole 21 is arranged on the fixing block 2, and the fixing screw 22 is screwed on the fixing block 2 and can extend into the mounting hole 21.

An aperture measuring height gauge adopts an aperture detection jig.

An aperture measuring method comprises the following steps of using a height gauge, wherein a probe of a vertical method is arranged on the height gauge, and the probe of the height gauge moves up and down to measure the aperture:

s1, placing the probe into the mounting hole 21, and fixing the fixed block 2 and the probe by using the fixing screw 22;

and S2, placing the workpiece 3 to be measured on the measuring table, vertically arranging the measuring hole 31 on the workpiece 3, and contacting the lowest zero point 12 of the measuring block 1 with the upper end face of the workpiece 3, wherein the reading of the height gauge is set to be 0.

S3, the center of the measuring hole 31 of the workpiece 3 is made to be coaxial with the measuring block 1, the measuring block 1 is moved downward so that the cone 11 contacts the measuring hole 31 to form a contact point 13, and the movement is stopped to read the distance b of the downward movement.

And S4, calculating the actual data of the diameter a of the measuring hole 31 according to the distance b, and judging whether the diameter a is qualified or not. When the data of b is read, the axis of the measuring block 1 and the contact point 13 form a first right-angle side a1, b forms a second right-angle side, the edge of the cone 11 forms a hypotenuse 14, so that a right-angle triangle is formed, the data of a1 can be calculated according to a trigonometric function, the diameter of the measuring hole 31 is a =2a1, so that the data of the diameter a of the measuring hole 31 can be calculated, when the measuring hole 31 is actually measured, the measuring hole is qualified within a certain range, such as a +/-0.1 mm, and the data range on the height gauge can be obtained through calculation, so that the range of a +/-0.1 mm is reached.

In a further technical scheme, in the step S1, the probe, the fixed block 2 and the measuring block 1 are arranged on the same axis.

In a further technical solution, in the step S3, the data b of the measurement block 1 moving downward from 0 is less than or equal to the depth of the measurement hole 31.

Further, the steps S1 and S2 are limited to be used when measuring the first workpiece 3, and only the steps S3 and S4 are required from the measurement of the second workpiece 3.

The above description is not intended to limit the technical scope of the present invention, and any modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention still fall within the technical scope of the present invention.