CN209894152U

CN209894152U - Hole center coordinate measuring system

Info

Publication number: CN209894152U
Application number: CN201920520522.2U
Authority: CN
Inventors: 杨付四; 岳双成; 韦永亮; 陈刚; 刘海波
Original assignee: Guangzhou Automobile Group Co Ltd
Current assignee: Guangzhou Automobile Group Co Ltd
Priority date: 2019-04-16
Filing date: 2019-04-16
Publication date: 2020-01-03
Anticipated expiration: 2029-04-16

Abstract

The utility model provides a hole center coordinate measurement system, include with the work piece on the center overlap the detection base member of laying, overlap sensing piece and the distinguishable of laying with the center of surveying the base member the scanning system of the center coordinate of sensing piece, be equipped with on the detection base member with the reference scale that the edge of measuring hole aligns, the center of reference scale does survey the center of base member. The utility model discloses a to survey the edge alignment of benchmark scale and measuring aperture on the base member for the center of surveying the base member, sensing spare overlaps with the center of measuring aperture, simulates out the center of measuring aperture, further discerns and acquires the central coordinate value of sensing spare and can acquire the central coordinate of measuring aperture through scanning system, has improved measurement of efficiency and accuracy.

Description

Hole center coordinate measuring system

Technical Field

The utility model relates to a measure technical field, especially relate to a hole center coordinate measurement system.

Background

In the automobile research and development process, the precision detection of the whole automobile body is of great importance, and the important part of the detection is the detection of a large quantity of measurement hole sites, and the precision relation of the measurement hole sites is the assembly characteristic and the performance of the whole automobile.

In the current automobile research and development and manufacturing industry, the hole position of the whole automobile is detected by the standard, the coordinate value of the center of the hole is obtained by programming through a three-coordinate measuring machine and directly evaluating through measuring by a measuring head touch (at least six points need to be measured in a single hole), and the efficiency is low; or firstly scanning the vehicle body point cloud by using a scanner, and then fitting the hole position from the point cloud by using software to obtain the hole center coordinate value, wherein the whole process needs to be finished twice, the efficiency is low, and the workload is large.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is necessary to provide a hole center coordinate measuring system that can acquire the center coordinate value (position information) of the vehicle body hole accurately and efficiently.

The utility model provides a hole center coordinate measurement system, include with the work piece on the center overlap the detection base member of laying, overlap sensing piece and the distinguishable of laying with the center of surveying the base member the scanning system of the center coordinate of sensing piece, be equipped with on the detection base member with the reference scale that the edge of measuring hole aligns, the center of reference scale does survey the center of base member.

In one embodiment, the detection substrate is a transparent film, the reference scales are a plurality of concentric circles formed along the axial direction, and the sensing member is concentric with the reference scales.

In one embodiment, the probe base and the sensing member are integrally formed.

In one embodiment, the sensing element is fixed to the detection substrate.

In one embodiment, the probe base is located between the sensing member and the end face of the measuring bore.

In one embodiment, the probing substrate is one of square, circular and hexagonal.

In one embodiment, the sensing member is a circular structure forming a concentric circle with the reference scale, and the sensing member includes a bottom surface and a coordinate identification point disposed at the center of the bottom surface.

In one embodiment, the bottom surface is a white bottom, and the coordinate identification points are black points; or the bottom surface is a black bottom, and the coordinate identification point is a white point.

In one embodiment, one end of the detection substrate is bonded to the measurement hole, and the other end of the detection substrate is bonded to an end surface of the bottom surface opposite to the coordinate recognition point.

In one embodiment, the scanning system further includes a scanner in signal connection with the coordinate identification point and a measurement host in signal connection with the scanner, and the scanner can scan the sensing member on the detection substrate, identify to obtain the position information at the coordinate identification point, and transmit the position information at the coordinate identification point to the measurement host.

To sum up, the utility model discloses a to survey the edge alignment of benchmark scale and measuring aperture on the base member for the center of surveying the base member, sensing piece overlaps with the center of measuring aperture, simulates out the center of measuring aperture, further discerns and acquires the central coordinate value that sensing piece can acquire the central coordinate of measuring aperture through scanning system, has improved measurement of efficiency and accuracy.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following preferred embodiments are described in detail with reference to the accompanying drawings.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of a hole center coordinate measuring system according to the present invention;

FIG. 2 is a schematic structural view of the probing substrate of FIG. 1;

FIG. 3 is a schematic structural diagram of the sensor with white dots in the black background in FIG. 1;

FIG. 4 is a schematic view of the structure of the sensor mounted on the probe base;

FIG. 5 is a schematic structural view of the measuring hole formed in the upper end of the workpiece in FIG. 1;

fig. 6 is a schematic structural view of the probe base to which the sensing member is bonded, which corresponds to the end face of the measurement hole bonded to the workpiece.

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the intended purpose of the invention, the present invention will be described in detail with reference to the accompanying drawings and preferred embodiments.

As shown in fig. 1-6, the present invention provides a hole center coordinate measuring system, which includes a detecting base 10 overlapped with the center of a measuring hole 400 on a workpiece 40, a sensing member 20 overlapped with the center of the detecting base 10, and a scanning system 30 capable of identifying the center coordinate of the sensing member 20.

Since the center of the sensing member 20 overlaps with the center of the detecting base 10 and the center of the measuring hole 400, the center of the sensing member 20 is a simulation point of the center of the measuring hole 400 (refer to fig. 4 and 6 for emphasis), and the function of measuring the center coordinate value of the measuring hole 400 is achieved by acquiring the center coordinate of the sensing member 20 and simultaneously acquiring the center coordinate/position information (two-dimensional coordinate along the radial plane) of the measuring hole 400.

Meanwhile, as shown in fig. 2, the detection substrate 10 is provided with a reference scale 11 aligned with the edge of the measurement hole 400, and the center of the reference scale 11 is the center of the detection substrate 10, so that the center of the measurement hole 400 is further accurately measured by using the reference scale 11, the scanning system 30 can instantly and accurately identify the center coordinate/position information (equivalent to the center coordinate of the measurement hole 400) of the sensing member 20, the hole location measurement is completed, and the measurement efficiency and the accuracy of the position information are improved.

Specifically, the utility model provides an in the embodiment, it is square to survey base member 10, locates reference scale 11 on surveying base member 10 and for following a plurality of concentric circles that the axial formed, and sensing 20 and reference scale 11 are concentric relation, guarantee that the center of sensing 20, reference scale 11 and measuring aperture 400 is on same straight line. In other embodiments, the shape of the detecting matrix 10 may be one of circular, hexagonal (including polygonal such as octagonal, dodecagonal, etc.).

The utility model discloses in, it is located between the terminal surface of sensing piece 20 and measuring hole 400 to survey base member 10, and surveys base member 10 and sensing piece 20 and can be integrated into one piece, perhaps, with the assembly part of sensing piece 20 rigid coupling in surveying base member 10 formation, as long as it guarantees that the center of sensing piece 20 is unanimous with the center of surveying base member 10 can. In this embodiment, the detecting base 10 is a transparent film, which facilitates the observation and adjustment through the detecting base 10, and the reference scale 11 on the detecting base 10 is aligned with the edge of the measuring hole 400, so that the center of the sensing member 20 is aligned with the center of the measuring hole 400.

The utility model discloses in, as shown in fig. 3 and fig. 4, sensing piece 20 is for forming the circular structure of concentric circles with benchmark scale 11, and sensing piece 20 includes and forms the bottom surface 21 of concentric circles with surveying base member 10 and locates the coordinate identification point 22 of the center department of bottom surface 21, and coordinate identification point 22 is for can being scanned by scanning system 30 and discerning its positional information's mark point to the measurement of the central point of realization to measuring hole 400 puts.

In one embodiment of the present invention, the bottom surface 21 is a white bottom, and the coordinate recognition point 22 is a black point.

In another embodiment of the present invention, the bottom surface 21 is a black bottom, and the coordinate recognition point 22 is a white point. It is understood that in other embodiments provided by the present invention, the coordinate recognition point 22 can also be a red dot which is different from the color of the bottom surface 21, or the coordinate recognition point 22 can also be other special structures or identification codes which can be different from the bottom surface 21 and can be recognized by the scanning system 30 to obtain the position information thereof.

Still further, referring again to fig. 1, the scanning system 30 further includes a scanner 31 in signal connection with the coordinate recognition point 22 and a measurement host 32 in signal connection with the scanner 31, the scanner 31 can scan the sensing member 20 on the detection substrate 10, recognize to acquire the position information at the coordinate recognition point 22, and transmit the position information at the coordinate recognition point 22 to the measurement host 32. In a preferred embodiment, the measurement host 32 is a computer system.

The utility model discloses utilize scanner 31 can discern the functional characteristic of the coordinate value of "discernment coordinate point 22" of the center department of "sensing piece 22", will "discernment coordinate point 22" improve and make it have benchmark scale 11, conveniently accurate simulation measuring hole 400's center, realize scanner 31 discernment "discernment coordinate point 22" coordinate (being equivalent to measuring hole 400's central coordinate) in the twinkling of an eye, accomplish the hole site and measure, measurement of efficiency improves several times.

Further, referring to fig. 1, 4, 5 and 6, in a preferred embodiment of the present invention, one end of the detecting substrate 10 along the radial direction is bonded to the end surface of the measuring hole 400, and the other end is bonded to the end surface of the bottom surface 21 opposite to the coordinate recognition point 22, and a plurality of detecting substrates 10 with the sensing element 20 are bonded to a plurality of measuring holes 400 on the workpiece 40 at the same time, and then the scanner 31 directly recognizes the central coordinate value of the sensing element 20 on the workpiece 400 in the set coordinate system and displays the central coordinate value in the measuring host 32, wherein the coordinate value of each "coordinate recognition point 22" displayed in the measuring host 32 "is the central coordinate value of the corresponding" measuring hole 400 ", which is equivalent to completing the measurement of the central coordinate values of a plurality of" measuring holes 400 ", and this embodiment is convenient and efficient.

The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention has been disclosed with the preferred embodiment, it is not limited to the present invention, and any skilled person can make modifications or changes equivalent to the above embodiments without departing from the scope of the present invention, but all the modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are within the scope of the present invention.

Claims

1. The hole center coordinate measuring system is characterized by comprising a detection base body (10) arranged in an overlapped mode with the center of a measuring hole (400) in a workpiece (40), a sensing part (20) arranged in an overlapped mode with the center of the detection base body (10) and a scanning system (30) capable of identifying the center coordinate of the sensing part (20), wherein a reference scale (11) aligned with the edge of the measuring hole (400) is arranged on the detection base body (10), and the center of the reference scale (11) is the center of the detection base body (10).

2. The hole center coordinate measuring system according to claim 1, wherein the probe base (10) is a transparent film, the reference scale (11) is a plurality of concentric circles formed in an axial direction, and the sensing member (20) is concentric with the reference scale (11).

3. Hole centre coordinate measuring system according to claim 2, characterized in that the probe base (10) is integrally formed with the sensing member (20).

4. Hole centre coordinate measuring system according to claim 2, characterized in that the sensing member (20) is fixed to the probe base body (10).

5. Hole centre coordinate measuring system according to claim 3 or 4, characterized in that the probe base (10) is located between the sensing member (20) and the end face of the measuring hole (400).

6. The hole center coordinate measurement system of claim 5, wherein the probing base (10) is one of square, circular, and hexagonal.

7. A hole center coordinate measuring system according to claim 1, wherein the sensing member (20) is a circular structure forming a concentric circle with the reference scale (11), and the sensing member (20) includes a bottom surface (21) and a coordinate recognition point (22) provided at the center of the bottom surface (21).

8. The hole center coordinate measurement system of claim 7, wherein the bottom surface (21) is a white bottom, and the coordinate identification points (22) are black points; or the bottom surface (21) is a black bottom, and the coordinate identification point (22) is a white point.

9. Hole centre coordinate measuring system according to claim 8, characterized in that the probe base (10) is glued at one end to the measuring hole (400) and at the other end to the end face of the bottom surface (21) opposite the coordinate recognition point (22).

10. The hole center coordinate measuring system of claim 7 or 9, wherein the scanning system (30) further comprises a scanner (31) in signal connection with the coordinate identification point (22) and a measuring host (32) in signal connection with the scanner (31), the scanner (31) can scan the sensing member (20) on the detection substrate (10), recognize to acquire the position information at the coordinate identification point (22), and transmit the position information at the coordinate identification point (22) to the measuring host (32).