CN219714222U

CN219714222U - Measurement system and measurement jig

Info

Publication number: CN219714222U
Application number: CN202320621440.3U
Authority: CN
Inventors: 孙虎
Original assignee: Shenzhen Tatfook 2r Forming Technologhy Co ltd
Current assignee: Shenzhen Tatfook 2r Forming Technologhy Co ltd
Priority date: 2023-03-21
Filing date: 2023-03-21
Publication date: 2023-09-19
Anticipated expiration: 2033-03-21

Abstract

The utility model discloses a measuring system and a measuring jig, wherein the measuring jig comprises a reference piece and a length measuring tool; the reference piece is used for placing a workpiece, the reference piece is provided with a reference surface, the first end surface of the workpiece is attached to the reference surface, and the direction of the dimension to be measured of the workpiece is perpendicular to the reference surface; the detection direction of the length measuring tool is perpendicular to the reference surface, and the detection end of the length measuring tool is attached to the second end surface of the workpiece so as to realize measurement of the size to be measured of the workpiece in the detection direction. The measuring jig can assist the manual work to finish the length measurement of the workpiece, realizes the rapid measurement of products, solves the problem that errors exist in measurement due to the difference of measuring methods in a jig mode, and is beneficial to improving the measuring efficiency.

Description

Measurement system and measurement jig

Technical Field

The utility model relates to the technical field of physical measurement, in particular to a measurement system and a measurement jig.

Background

In industrial production, in order to adapt to different industrial requirements, shells with different specifications need to be provided, and detection of the specification and the size of the shells is a necessary condition for guaranteeing quality.

In the detection of shell products, a manual detection mode is adopted. The original manual detection mode adopts a measuring tool, such as a vernier caliper, a dial gauge and other measuring tools with scales. Because the manual handheld measuring tool is needed to measure the product, the problem of low detection speed exists, and the problem of error in measurement caused by the difference of measurement methods also exists.

Therefore, how to provide a measuring tool for solving the above technical problems is a technical problem that needs to be solved by those skilled in the art.

Disclosure of Invention

The utility model aims to provide a measuring jig which assists in manually completing the length measurement of a workpiece, realizes the rapid measurement of a product, solves the problem of errors in measurement caused by the difference of measurement methods in a jig mode, and is beneficial to improving the measurement efficiency. Another object of the present utility model is to provide a measuring system comprising the measuring jig.

In order to achieve the above object, the present utility model provides a measurement jig, comprising:

the reference piece is used for placing a workpiece, the reference piece is provided with a reference surface, the first end surface of the workpiece is attached to the reference surface, and the direction of the dimension to be measured of the workpiece is perpendicular to the reference surface;

and the detection end of the length measurement tool is attached to the second end face of the workpiece so as to realize measurement of the size to be measured of the workpiece in the detection direction.

In some embodiments, the length measuring tool includes a dial gauge having a gauge head that engages the second end face of the workpiece.

In some embodiments, the dial gauge is embodied as a digital display dial gauge, and the digital display dial gauge may transmit measurement data to a computer device.

In some embodiments, the workpiece includes a product to be measured and a calibration piece, and the length measurement tool measures the product to be measured after calibration to zero with the calibration piece.

In some embodiments, the body structure of the calibration piece is rod-shaped.

In some embodiments, the reference piece is provided with a limit groove, the shape of the limit groove is similar to the outline of the workpiece, and the workpiece is installed in the limit groove.

In some embodiments, the length measurement tool and the fiducial are mounted to the jig bracket.

In some embodiments, the jig support includes a first frame body to which the length measuring tool and the reference member are mounted, and a second frame body to which the first frame body is supported, the first frame body and the second frame body having an inclination angle therebetween.

In some embodiments, the tilt angle between the first frame and the second frame is between 0 ° and 90 °.

The utility model also provides a measuring system which comprises a statistical computer and the measuring jig, wherein the length measuring tool is in signal connection with the statistical computer.

Compared with the background art, the measuring jig provided by the utility model comprises the reference piece and the length measuring tool. The reference piece is used as a structure for placing a workpiece, and a reference surface is arranged on the reference piece; when the workpiece is placed on the reference piece, the first end face of the workpiece is attached to the reference surface, and the direction of the dimension to be measured of the workpiece is perpendicular to the reference surface. The length measuring tool is used as a structure of a measuring workpiece and is matched with the reference piece and the reference surface thereof; when the length measuring tool measures the workpiece, the detection direction of the length measuring tool is perpendicular to the reference surface, the detection end of the length measuring tool is attached to the second end surface of the workpiece, and the dimension to be measured of the workpiece is measured in the detection direction.

In the measuring process of the measuring jig, firstly, the detecting direction of the length measuring tool is checked to be vertical to the datum plane of the datum piece; then, placing a workpiece on the reference piece, checking that the first end face of the workpiece is attached to the reference surface, and checking that the direction of the dimension to be detected of the workpiece is perpendicular to the reference surface; and finally, the detection end of the length measuring tool is attached to the second end face of the workpiece, and the dimension to be measured of the workpiece is measured in the detection direction. In the measurement process, the measurement jig can assist the manual work to finish the length measurement of the workpiece, and the problem that errors exist in measurement due to the difference of measurement methods is solved in the form of the jig while the quick measurement of products is realized, so that the measurement efficiency is improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a measurement tool according to an embodiment of the present utility model;

fig. 2 is a measurement schematic diagram of a measurement fixture according to an embodiment of the present utility model;

FIG. 3 is a schematic diagram illustrating calibration of a measurement jig according to an embodiment of the present utility model;

fig. 4 is a schematic structural diagram of a measurement system according to an embodiment of the present utility model.

Wherein:

01-work piece, 1-length measuring tool, 2-benchmark piece, 3-tool support, 4-statistics computer, 011-calibration piece, 012-product to be measured, 31-first support body, 32-second support body, 0101-first terminal surface, 0102-second terminal surface, 101-detection end, 201-benchmark face, 202-spacing groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The present utility model will be further described in detail below with reference to the drawings and detailed description for the purpose of enabling those skilled in the art to better understand the aspects of the present utility model.

Referring to fig. 1 to 4, fig. 1 is a schematic structural diagram of a measurement tool according to an embodiment of the present utility model, fig. 2 is a schematic structural diagram of a measurement tool according to an embodiment of the present utility model, fig. 3 is a schematic calibration diagram of a measurement tool according to an embodiment of the present utility model, and fig. 4 is a schematic structural diagram of a measurement system according to an embodiment of the present utility model.

As shown in fig. 1 to 3, in a first specific embodiment, the present utility model provides a measuring jig, which mainly includes a reference member 2 and a length measuring tool 1.

The reference member 2 is configured to hold the workpiece 01, and the reference member 2 has a reference surface 201.

When the workpiece 01 is placed on the reference member 2, the first end surface 0101 of the workpiece 01 is attached to the reference surface 201, and the direction in which the dimension to be measured of the workpiece 01 is located is perpendicular to the reference surface 201.

The length measuring tool 1 is configured to measure the workpiece 01, and is engaged with the reference material 2 and the reference surface 201 thereof.

When the length measuring tool 1 measures the workpiece 01, the detection direction of the length measuring tool 1 is perpendicular to the reference surface 201, the detection end 101 of the length measuring tool 1 is attached to the second end surface 0102 of the workpiece 01, and the dimension to be measured of the workpiece 01 is measured in the detection direction.

In the measurement process of the measurement jig, first, the detection direction of the length measurement tool 1 is checked to be perpendicular to the reference surface 201 of the reference member 2; then, placing the workpiece 01 on the reference piece 2, and checking that a first end face 0101 of the workpiece 01 is attached to the reference face 201 and that the direction in which the dimension to be detected of the workpiece 01 is located is perpendicular to the reference face 201; finally, the second end surface 0102 of the workpiece 01 is bonded to the detection end 101 of the length measuring tool 1, and the dimension to be measured of the workpiece 01 is measured in the detection direction.

In the measurement process, the measurement jig can assist the manual work to finish the length measurement of the workpiece 01, and solves the problem that errors exist in measurement due to the difference of measurement methods in a jig mode while realizing the rapid measurement of products, thereby being beneficial to improving the measurement efficiency.

With continued reference to FIG. 1, in some embodiments, the length measurement tool 1 includes a dial gauge.

The operating principle of the dial indicator is that a measuring rod caused by the measured scale moves in a tiny straight line, is enlarged through gear transmission, is changed into a change of a finger gauge on a dial, and then reads out the huge size of the measured scale.

In this embodiment, a dial gauge is used as the length measuring tool. It should be noted that the measuring rod of the dial indicator should be perpendicular to the reference plane 201 of the reference piece 2. The measuring head of the dial indicator is used as a detection end 101 of the length measuring tool to be attached to the second end face 0102 of the workpiece 01, and after the movement of the transmission mechanism in the dial indicator, a measuring result of the workpiece 01 is obtained.

Further, in some embodiments, the dial gauge is embodied as a digital display dial gauge.

It should be noted that the basic working principle of the digital display dial indicator is the same as that of the dial indicator; the digital display dial indicator is a length measuring instrument which converts the general linear displacement (linear motion) into the rotary motion of a pointer through a gear or a lever and then reads on a display screen.

In this embodiment, the digital display dial indicator not only can display the measurement result of the workpiece 01 in real time, but also can be connected to the computer device through the data line, so as to transmit the measurement data to the computer device.

Based on the data transmission mode of the digital display dial indicator, the measuring jig can realize quick synchronous statistics of measured data on the basis of realizing quick measurement of products and reducing measurement errors, and the problem of high error rate of manually recorded data is avoided.

With continued reference to fig. 2 and 3, in some embodiments, the workpiece 01 includes a product to be tested 012 and a calibrator 011.

In this embodiment, the calibration piece 011 is a structure for calibrating the length measuring tool 1, that is, the digital display dial indicator, and the size of the calibration piece 011 can be regarded as the standard size of the qualified piece, and the digital display dial indicator measures the product 012 to be measured after the calibration piece 011 is calibrated to zero. The product 012 to be measured is a structure requiring measurement of the size, and the size of the product 012 to be measured needs to be measured before whether it meets the standard.

In one measurement description of the measurement jig, first, the detection direction of the length measurement tool 1 is checked to be perpendicular to the reference plane 201 of the reference member 2, and the size of the calibration member 011 is checked to be acceptable; then, a calibration piece 011 is placed on the reference piece 2, the first end face 0101 of the calibration piece 011 is checked to be attached to the reference surface 201, and the direction in which the standard size of the calibration piece 011 is checked is perpendicular to the reference surface 201; next, attaching the measuring head of the digital display dial indicator to the second end face 0102 of the calibrating piece 011, calibrating the digital display dial indicator, and zeroing the digital display dial indicator; secondly, replacing the product 012 to be tested after taking out the calibration piece 011, checking that the first end face 0101 of the product 012 to be tested is attached to the reference surface 201, and checking that the direction of the dimension to be tested of the product 012 to be tested is perpendicular to the reference surface 201; finally, the measuring head of the digital display dial indicator is attached to the second end face 0102 of the product 012 to be measured, and the dimension to be measured of the product 012 to be measured is measured in the detection direction.

The main body of the calibration piece 011 is formed into a rod shape, the dimension of the rod-shaped structure in the length direction is equal to the length dimension of the standard of the product 012 to be measured, the digital display dial indicator is calibrated by using the dimension of the calibration piece 011 in the length direction, and the length dimension of the product 012 to be measured is measured by using the calibrated digital display dial indicator.

Further, in some embodiments, the reference member 2 is provided with a limit groove 202, the shape of the limit groove 202 is similar to the contour of the workpiece 01, and the limit groove 202 is used for providing a mounting position for the workpiece 01 when the workpiece 01 is mounted, so that the workpiece 01 is mounted in place, and displacement is avoided.

Further, the calibration piece 011 is identical or similar in shape and structure to the product 012 to be measured, so that the limit groove 202 can provide reliable mounting conditions for different calibration pieces 011 and the product 012 to be measured at different measurement stages.

With continued reference to fig. 1-3, in some embodiments, the measurement tool further includes a tool holder 3, and the length measurement tool 1 and the reference member 2 are mounted to the tool holder 3.

In the present embodiment, the jig frame 3 is the setting basis for the length measuring tool 1 and the reference member 2. The jig frame 3 provides a mounting plane on which the measurement of the product 012 to be measured is made while the length measurement tool 1 and the reference member 2 are conveniently set.

The jig bracket 3 enriches the setting positions of the length measuring tool 1 and the reference piece 2, and the space orientation for measuring the product 012 to be measured is also enriched. It should be noted that the specific structure of the jig frame 3 is not limited in this embodiment, and the jig frame 3 with different structures should belong to the description range of this embodiment.

In some embodiments, as shown in fig. 3, the jig frame 3 includes a first frame 31 and a second frame 32, the length measuring tool 1 and the reference member 2 are mounted on the first frame 31, the second frame 32 supports the first frame 31, and an inclination angle is formed between the first frame 31 and the second frame 32.

In the present embodiment, taking the example that the second frame 32 is placed on the horizontal plane, the second frame 32 is connected to the first frame 31, and the second frame 32 plays a role of supporting the first frame 31. In addition, since the length measuring tool 1 and the reference member 2 are mounted on the first frame 31, the plane on which the first frame 31 is located is a mounting plane, and at this time, an inclination angle is provided between the first frame 31 and the second frame 32, so that the mounting plane is inclined with respect to the horizontal plane. In the installation plane, the length directions of the calibration piece 011 and the product 012 to be measured and the detection direction of the digital display dial indicator are in the same direction, and the detection direction coincides with the projection direction of the gravity of the calibration piece 011, the product 012 to be measured and the digital display dial indicator on the installation plane, the reference surface 201 is located at a lower position on the reference piece 2, the digital display dial indicator is located at an upper position of the reference piece 2, and the calibration piece 011 and the product 012 to be measured can slide to the reference surface 201 under the action of self gravity.

In some embodiments, the tilt angle between the first frame 31 and the second frame 32 is between 0 ° and 90 °.

In this embodiment, when the inclination angle of the installation plane is between 0 ° and 90 °, the calibration piece 011 and the product 012 to be tested can always slide toward the reference plane 201 under the effect of self gravity, so that the first end surfaces 0101 of the calibration piece 011 and the product 012 to be tested can be attached to the reference plane 201.

It should be noted that the first frame 31 and the second frame 32 may be integrally or separately disposed, and the tilt angle may be adjustable during the separate disposition, for example, the first frame 31 and the second frame 32 are hinged together, which falls within the scope of the present embodiment.

For example, as shown in fig. 3, the jig frame 3 is triangular, the first frame 31 is a bottom edge of the triangle, the second frame 32 is a front edge of the triangle, and at this time, the jig frame 3 further has a frame body as a rear edge of the triangle. The triangular jig support 3 has the characteristic of stable structure.

With continued reference to fig. 4, the present utility model further provides a measurement system, which includes a statistics computer 4 and the measurement tool, and the length measurement tool 1 is connected with the statistics computer 4 through signals.

In this embodiment, the length measuring tool 1 is preferably a digital display dial indicator, and the digital display dial indicator synchronously transmits measurement data to the statistics computer 4 for statistics when measuring the product 012 to be measured.

The measuring system comprises the measuring jig and has all the beneficial effects of the measuring jig; the faster measurement of the product is realized; measurement errors caused by the difference of measurement methods of different personnel are reduced; the faster synchronous statistics is realized, and the data is prevented from being wrong; the ratio of the small batch trial production stage to the full-automatic inspection saves the cost; expansibility, and is also suitable for measuring other products.

It should be noted that many components mentioned in the present utility model are common standard components or components known to those skilled in the art, and the structures and principles thereof are known to those skilled in the art through technical manuals or through routine experimental methods.

It should be noted that in this specification relational terms such as first and second are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.

The measuring system and the measuring jig provided by the utility model are described in detail above. The principles and embodiments of the present utility model have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present utility model and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.

Claims

1. The utility model provides a measure tool which characterized in that includes:

2. The measurement jig of claim 1, wherein the length measurement tool comprises a dial gauge, and wherein a gauge head of the dial gauge is attached to the second end face of the workpiece.

3. The measurement jig of claim 2, wherein the dial gauge is a digital display dial gauge, and the digital display dial gauge is capable of transmitting measurement data to a computer device.

4. The measurement jig of claim 1, wherein the workpiece comprises a product to be measured and a calibration piece, and the length measurement tool measures the product to be measured after calibration to zero with the calibration piece.

5. The measuring jig of claim 4, wherein the main body structure of the calibration member is rod-shaped.

6. The measuring jig according to claim 1, wherein the reference member is provided with a limit groove, the shape of the limit groove is similar to the contour of the workpiece, and the workpiece is mounted in the limit groove.

7. The measurement jig of any one of claims 1 to 6 further comprising a jig bracket to which the length measurement tool and the datum are mounted.

8. The measurement jig of claim 7, wherein the jig bracket comprises a first frame body to which the length measurement tool and the reference member are mounted, and a second frame body to which the first frame body is supported, the first frame body and the second frame body having an inclination angle therebetween.

9. The measurement jig of claim 8, wherein an inclination angle between the first frame and the second frame is between 0 ° and 90 °.

10. A measuring system comprising a statistical computer and a measuring tool according to any one of claims 1 to 9, said length measuring tool being in signal connection with said statistical computer.