CN210802342U - A kind of inspection tool for measuring product flatness - Google Patents

Abstract

The utility model relates to an inspection tool for measuring the flatness of a product, which comprises an inspection part and a calibration part; the inspection part comprises an inspection plate, a plurality of dial indicators are installed on the inspection plate, and a measuring rod of the dial indicator is vertically oriented Pass down the inspection plate, the side wall of the inspection plate is provided with a jack screw hole corresponding to each dial indicator installation hole, and a jack screw is arranged in the jack screw hole, which is used to tighten the measuring rod of the dial indicator. , There are two handles on the inspection plate; the inspection part includes a inspection plate, a number of inspection pins are arranged on the upper surface of the inspection plate, and a first positioning plate and a second positioning plate are installed on the front side of the inspection plate. The side surface of the positioning plate facing the inspection plate is provided with a positioning edge, the front side of the inspection plate is provided with a positioning groove matched with the positioning edge, and a third positioning plate is installed on the right side of the inspection plate. The utility model has the advantages of simple structure, easy implementation and low manufacturing cost; the detection time can be reduced, the debugging and detection costs can be saved; and the numerical value can be read quickly and accurately.

Description

A kind of inspection tool for measuring product flatness

technical field

The utility model relates to the technical field of measuring instruments, in particular to a measuring instrument for measuring the flatness of products.

Background technique

At present, all kinds of industrial parts and auto parts have flatness requirements for the assembly and lamination plane. In the actual processing process, in order to ensure that the processing size meets the requirements of the drawings, the factory generally uses three coordinates to detect the flatness of the workpiece surface, but the three coordinates measurement time is long, the test cost is high, and the processing and debugging wait time is long. There are also factories that use a feeler gauge to detect the flatness of the workpiece to be inspected by attaching the surface to be inspected on the marble platform, but this method cannot detect the specific value of the workpiece to be inspected, and the surface of the marble platform and the operation of the operator have an impact on the measurement results.

SUMMARY OF THE INVENTION

The utility model aims to solve the deficiencies of the prior art, and provides a checking tool for measuring the flatness of a product.

The utility model adopts the following technical solutions for realizing the above-mentioned purpose:

An inspection tool for measuring product flatness, including inspection part and calibration part;

The inspection part includes an inspection plate, a plurality of dial indicator mounting holes are pierced through the inspection plate, and a dial indicator is provided corresponding to each dial indicator mounting hole on the inspection plate. The measurement of the dial indicator The rod passes through the corresponding dial indicator mounting holes vertically downward, and a top screw thread hole is provided on the side wall of the inspection board corresponding to each dial indicator mounting hole, and the top screw thread hole is provided with a top screw hole. wire, used to tighten the measuring rod of the dial indicator, and the inspection board is provided with two handles;

The calibration part includes a calibration plate, which has the same shape as the inspection plate and is located directly below the inspection plate. The upper surface of the calibration plate is provided with a calibration bar corresponding to each dial indicator. A first positioning plate and a second positioning plate are installed on the front side of the inspection board, the first positioning plate and the second positioning plate are attached to the front side of the inspection plate, and the first positioning plate faces A positioning edge is provided on one side of the inspection board, a positioning groove matched with the positioning edge is provided on the front side of the inspection board, and a third positioning plate is installed on the right side of the inspection board, and the third positioning plate is connected with the positioning edge. The right side of the inspection board fits together.

A threaded rod is provided at the bottom of the calibration pin, a threaded hole is provided on the calibration plate corresponding to each calibration pin, and the threaded rod of the calibration pin is screwed into the threaded hole of the calibration plate.

The first positioning plate, the second positioning plate and the third positioning plate are all provided with countersunk head bolt holes, and the side walls of the calibration plate correspond to the sinkers of the first positioning plate, the second positioning plate and the third positioning plate. The head bolt holes are all provided with installation holes, and the first positioning plate, the second positioning plate and the third positioning plate are detachably installed on the side wall of the calibration plate through the countersunk head bolts in the countersunk head bolt holes.

The bottom of the verification board is provided with several verification board support columns.

The beneficial effects of the utility model are as follows: the utility model has the advantages of simple structure, easy implementation and low manufacturing cost; it can reduce the waiting time for detection, save the cost of debugging and detection; and can read the value quickly and accurately.

Description of drawings

Fig. 1 is the structural representation of one direction of the utility model;

Fig. 2 is the structural representation of another direction of the utility model;

Fig. 3 is the structural representation of inspection part;

Fig. 4 is the structural representation of one direction of the verification part;

Fig. 5 is the structural schematic diagram of another direction of the verification part;

Fig. 6 is the structural representation that the inspection part carries out inspection to the workpiece;

In the picture: 1- inspection plate; 2- dial indicator; 3- top screw thread hole; 4- handle; 5- inspection plate; 6- inspection pin; 7- first positioning plate; 8- second positioning plate ;9-positioning edge;10-positioning groove;11-third positioning plate;12-threaded hole;13-countersunk head bolt hole;14-checking plate support column;15-workpiece;

The following will be described in detail with reference to the accompanying drawings in conjunction with the embodiments of the present utility model.

Detailed ways

Below in conjunction with accompanying drawing and embodiment, the utility model is further described:

As shown in Fig. 1 to Fig. 5, a kind of inspection tool for measuring product flatness, including inspection part and calibration part;

The inspection part includes an inspection plate 1, the inspection plate 1 has a plurality of dial indicator mounting holes penetrating through it, and a dial indicator 2 is provided on the inspection plate 1 corresponding to each dial indicator mounting hole, and the hundred indicator is provided. The measuring rod of sub-meter 2 penetrates the corresponding dial indicator installation hole vertically downward, and the side wall of the inspection board 1 is provided with a top screw thread hole 3 corresponding to each dial indicator installation hole. There is a jacking screw in the screw thread hole 3, which is used to tighten the measuring rod of the dial indicator 2, and two handles 4 are arranged on the inspection board 1;

The calibration part includes a calibration plate 5, the shape of the calibration plate 5 is the same as that of the inspection plate 1 and is located directly under the inspection plate 1, and the upper surface of the calibration plate 5 corresponds to the measuring rod of each dial indicator 2. Each is provided with a verification pin 6, the front side of the verification plate 5 is installed with a first positioning plate 7 and a second positioning plate 8, the first positioning plate 7, the second positioning plate 8 and the inspection plate 1 are installed. The front side is attached to each other, the side of the first positioning plate 7 facing the inspection plate 1 is provided with a positioning edge 9, and the front side of the inspection plate 1 is provided with a positioning groove 10 that cooperates with the positioning edge 9. A third positioning plate 11 is installed on the right side of the inspection board 5 , and the third positioning plate 11 is attached to the right side of the inspection board 1 .

The bottom of the calibration pin 6 is provided with a threaded rod, the calibration plate 5 is provided with a threaded hole 12 corresponding to each calibration pin 6 , and the threaded rod of the calibration pin 6 is screwed on the calibration plate 5 . in the threaded hole 12.

The first positioning plate 7 , the second positioning plate 8 and the third positioning plate 11 are all provided with countersunk head bolt holes 13 , and the side wall of the calibration plate 5 corresponds to the first positioning plate 7 and the second positioning plate 8 The countersunk head bolt holes 13 of the third positioning plate 11 are provided with mounting holes, and the first positioning plate 7 , the second positioning plate 8 and the third positioning plate 11 are detachable through the countersunk head bolts in the countersunk head bolt holes 13 Installed on the side wall of the calibration board 5 .

The bottom of the verification board 5 is provided with a plurality of verification board support columns 14 .

When the utility model works, the calibration part is used to calibrate the inspection part first. As shown in Figure 1, the calibration pin 6 on the calibration plate 5 is in contact with the measuring rod of the dial indicator 2 to calibrate zero. After completion, place the inspection plate 1 of the inspection part on the plane area to be measured of the workpiece 15, as shown in Figure 6, the measuring rod of the dial indicator 2 is attached to the plane to be tested, and the value of the dial indicator 2 can be observed. , if it is within the tolerance requirements, the product is qualified, if it is out of the range, the product is unqualified.

The utility model has the advantages of simple structure, easy implementation and low manufacturing cost; the waiting time for detection can be reduced, the debugging and detection costs can be saved; and the numerical value can be read quickly and accurately.

The detection board 1 of the utility model only detects small planes, the size of the detection board 1 can be modified according to the size of the workpiece 15 to be tested, and the dial indicator 2 is added to detect the flatness requirements of the workpiece assembly planes in different sizes. If the size of the plane to be measured of the workpiece 15 is the same, and there is no interference position, the utility model can be used universally. The shape of the utility model can be changed, and the flatness detection of workpieces in different areas and different sizes can be matched.

The present utility model has been exemplarily described above in conjunction with the accompanying drawings. Obviously, the specific implementation of the present utility model is not limited by the above-mentioned methods, as long as various improvements made by the method concept and technical solutions of the present utility model are adopted, or the Those applied to other occasions are all within the protection scope of the present invention.

Claims (4)

1. A check tool for measuring the flatness of a product is characterized by comprising a checking part and a verifying part;

the testing part comprises a testing plate (1), a plurality of dial indicator mounting holes penetrate through the testing plate (1), a dial indicator (2) is arranged on the testing plate (1) corresponding to each dial indicator mounting hole, a measuring rod of each dial indicator (2) vertically penetrates out of the corresponding dial indicator mounting hole downwards, a jack screw threaded hole (3) is formed in the side wall of the testing plate (1) corresponding to each dial indicator mounting hole, a jack screw is arranged in each jack screw threaded hole (3) and used for tightly jacking and fixing the measuring rod of each dial indicator (2), and two handles (4) are arranged on the testing plate (1);

the checking part comprises a checking plate (5), the checking plate (5) is consistent with the shape of the checking plate (1) and is positioned right below the checking plate (1), the upper surface of the check plate (5) is provided with a check pin (6) corresponding to the measuring rod of each dial indicator (2), a first positioning plate (7) and a second positioning plate (8) are arranged on the front side surface of the checking plate (5), the first positioning plate (7) and the second positioning plate (8) are attached to the front side surface of the inspection plate (1), a positioning edge (9) is arranged on one side surface of the first positioning plate (7) facing the inspection plate (1), the front side surface of the inspection plate (1) is provided with a positioning groove (10) matched with the positioning ridge (9), a third positioning plate (11) is installed on the right side face of the checking plate (5), and the third positioning plate (11) is attached to the right side face of the checking plate (1).

2. The checking fixture for measuring the flatness of a product according to claim 1, wherein a threaded rod is arranged at the bottom of the checking pin (6), a threaded hole (12) is arranged on the checking plate (5) corresponding to each checking pin (6), and the threaded rod of the checking pin (6) is screwed in the threaded hole (12) of the checking plate (5).

3. The checking fixture for measuring the flatness of a product according to claim 2, wherein countersunk bolt holes (13) penetrate through the first positioning plate (7), the second positioning plate (8) and the third positioning plate (11), mounting holes are formed in the side wall of the checking plate (5) and correspond to the countersunk bolt holes (13) of the first positioning plate (7), the second positioning plate (8) and the third positioning plate (11), and the first positioning plate (7), the second positioning plate (8) and the third positioning plate (11) are detachably mounted on the side wall of the checking plate (5) through the countersunk bolts in the countersunk bolt holes (13).

4. The checking fixture for measuring the flatness of a product according to claim 3, wherein a plurality of checking plate supporting columns (14) are arranged at the bottom of the checking plate (5).

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