CN219495031U - A jig for precision testing of a target punching machine - Google Patents

Abstract

The utility model provides a precision detection jig for a target punching machine, which comprises a detection plate and a detection pattern arranged on the detection plate, wherein the outer edge of the detection plate is matched with the size of an operation object placing table of the target punching machine to be detected, the detection pattern is a rotationally symmetrical pattern and is used for carrying out central punching through the identification of the detection pattern of the target punching machine, the position of the central punching obtained through measurement and comparison with the symmetrical center of the detection pattern is obtained, the deviation value of the target punching machine to be detected is obtained, the working principle of the target punching machine is utilized to carry out measurement and comparison on the central punching obtained through positioning of the detection pattern and the symmetrical center position obtained through direct measurement of the detection pattern, and the working deviation value of the target punching machine is obtained, so that whether the precision of the target punching machine meets the standard or not is judged.

Description

A jig for precision testing of a target punching machine

technical field

The utility model relates to the technical field of precision processing of circuit boards, in particular to a precision detection jig for a target punching machine.

Background technique

Circuit boards are also called printed circuit boards or PCB boards. A large number of circuits are mainly arranged on the boards combined with commonly used electronic components. For positioning holes, the existing circuit board punching machines are generally semi-automatic punching machines.

In the current printed circuit board secondary hole punching process, due to the product characteristics and design requirements of the circuit board, a laser (X-RAY) punching machine will be used to perform secondary drilling on the circuit board. The function of the hole is for The post-process product plays a positioning role when using the positioning tool. The positioning accuracy of the hole is very high, and the accuracy tolerance is usually less than 1mil, so the position accuracy of the positioning hole obtained by the punching machine equipment is also very high.

When the target punching machine is used normally, the machine is constantly moving, and there is no way to detect or monitor the accuracy difference of the automatic operation of the equipment; in actual use, the product can continue to be produced when the target punching accuracy is within the range , but once the punching accuracy exceeds the range, the product will be scrapped or invalid.

To sum up, the existing circuit board punching machine has the technical problem that the punching accuracy is difficult to measure and calibrate.

Utility model content

The technical problem to be solved by the utility model is that the existing circuit board punching machine has the technical problem that the punching accuracy is difficult to measure and calibrate.

In order to solve the above problems, the utility model provides a precision detection fixture for a target punching machine, which includes a detection plate and a detection pattern arranged on the detection plate, and the outer edge of the detection plate is connected with the operation storage of the target punching machine to be detected. The size of the table is adapted, and the detection pattern is a rotationally symmetrical pattern, which is used to identify the detection pattern by the punching machine for center punching, measure and compare the position of the symmetrical center of the obtained center punching hole and the detection pattern, and obtain the punching target to be detected machine deviation.

The accuracy detection fixture of the punching machine provided by the utility model has a plate-like structure of the detection plate which is similar to the structure of the workpiece to be processed, and is compatible with the size of the operating table of the punching machine, so that the subsequent punching of the punching machine operation, and can obtain as close as possible to the consistent punching of the circuit board to be processed, because the working principle of the punching machine is: by identifying the specific graphic logo on the board, punching the center of this logo, using the punching machine According to this working principle, the center punch obtained by the punching machine according to the detection pattern positioning is measured and compared with the symmetrical center position obtained by directly measuring the detection pattern, and the working deviation value of the punching machine is obtained, so as to judge whether the accuracy of the punching machine is Up to standard. The accuracy detection fixture can simply and quickly measure the accuracy of the punching machine without affecting the continuous production of the equipment, and effectively solves the technical problem that the punching accuracy of the existing circuit board punching machine is difficult to measure and calibrate.

As a preferred solution, the detection board is a plate with a copper-clad surface, and the detection pattern is an etching engraving pattern. Copper-clad laminates are used in conjunction with the etching process to optimize the processing technology of the fixture, so that the engraving of the detection graphics can be carried out quickly and accurately.

As a preferred solution, the detection board is a rectangular board, the length of the long side of the detection board is in the range of 300mm-500mm, and the length of the short side is in the range of 400mm-600mm. The size and shape of the detection plate are optimized to better match the size of the punching machine's operating table.

As a preferred solution, the detection plate has a thickness ranging from 1.00 mm to 2.00 mm. The purpose of the technical solution is to make the shape of the detection board closer to the circuit board to be processed, so as to obtain measurement data that is more accurate and closer to the actual working conditions.

As a preferred solution, the detection pattern includes a plurality of pattern units that are rotationally symmetrically distributed along the circumference. The specific design of the detection pattern is optimized, and the multi-graphic unit replaces a single shape to improve the positioning accuracy of the center hole.

As a preferred solution, an optical range finder is also included for measuring the center of symmetry of the calibration detection pattern. The continuity of the implementation of the scheme is optimized, and it is convenient to directly obtain the measurement data of the precision size.

Description of drawings

Fig. 1 is a structural schematic diagram of a jig for precision testing of a target punching machine provided by the present invention.

Among them, in Figure 1:

1. Test board; 2. Test pattern.

Detailed ways

The technical solution of the utility model will be clearly and completely described below, obviously, the described embodiments are some embodiments of the utility model, but not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Referring to FIG. 1 , FIG. 1 is a structural schematic diagram of a precision detection jig for a target punching machine provided by the present invention.

The accuracy detection fixture for the punching machine provided in this embodiment includes a detection board 1 and a detection pattern 2 arranged on the detection board 1, the outer edge of the detection board 1 is adapted to the size of the operating table of the punching machine to be detected, and the detection pattern 2 is a rotationally symmetrical figure, which is used to identify the detection figure 2 by the punching machine to carry out center punching, measure and compare the position of the center of symmetry between the obtained center punching hole and the detection figure 2, and obtain the deviation value of the target punching machine to be detected.

The accuracy detection fixture of the punching machine provided by the utility model has a plate-like structure of the detection plate which is similar to the structure of the workpiece to be processed, and is compatible with the size of the operating table of the punching machine, so that the subsequent punching of the punching machine operation, and can obtain as close as possible to the consistent punching of the circuit board to be processed, because the working principle of the punching machine is: by identifying the specific graphic logo on the board, punching the center of this logo, using the punching machine According to this working principle, the center punch obtained by the punching machine according to the detection pattern positioning is measured and compared with the symmetrical center position obtained by directly measuring the detection pattern, and the working deviation value of the punching machine is obtained, so as to judge whether the accuracy of the punching machine is In general, the distance difference between the two centers should be less than 1mil (25.4um).

The accuracy detection fixture can simply and quickly measure the accuracy of the punching machine without affecting the continuous production of the equipment, and effectively solves the technical problem that the punching accuracy of the existing circuit board punching machine is difficult to measure and calibrate.

The technical solution provided in this embodiment is mainly to improve the processability of the detection board. The detection board 1 is a board with a copper-clad surface, and the detection pattern 2 is an etched and engraved pattern. Copper-clad laminates are used in conjunction with the etching process to optimize the processing technology of the fixture, so that the engraving of the detection graphics can be carried out quickly and accurately.

The technical solution provided in this embodiment is mainly to make the shape of the detection board closer to the shape of the circuit board to be processed. The detection board 1 is a rectangular board, the length of the long side of the detection board 1 is 300mm-500mm, and the length of the short side is 400mm-600mm. And the size and shape of the detection plate can be better adapted to the size of the punching machine's operating table, mainly because the drilling work on the jig can be closer to the normal workpiece processing, so that the jig can obtain The precision difference of the target punching machine is closer to the precision difference of the actual processing on the workpiece, which ensures the accuracy of the fixture measurement.

The technical solution provided by this embodiment is consistent with the principles of the above embodiments, and the thickness range of the detection board 1 is 1.00mm-2.00mm. The purpose of the technical solution is to make the shape of the detection board closer to the circuit board to be processed, so as to obtain measurement data that is more accurate and closer to the actual working conditions.

The technical solution provided in this embodiment further improves the detection and positioning effect of the detection pattern, and the detection pattern 2 includes a plurality of pattern units distributed symmetrically along the circumference. By replacing a single shape with a plurality of graphical units distributed symmetrically around the circumference, the coverage area of the detection pattern on the detection board is increased, thereby improving the positioning accuracy of the center hole.

In the technical solution provided by this embodiment, the accuracy detection jig of the punching machine further includes an optical rangefinder for measuring the center of symmetry of the calibration detection pattern. The continuity of the implementation of the scheme is optimized, and it is convenient to directly obtain the measurement data of the precision size.

Although the present disclosure is disclosed as above, the protection scope of the present disclosure is not limited thereto. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present disclosure, and these changes and modifications will all fall within the protection scope of the present utility model.

Claims (6)

1. a target punching machine accuracy detection fixture, is characterized in that, comprises detection plate (1) and is arranged on the detection figure (2) on described detection plate (1), described detection plate (1) outer edge and The size of the operating storage table of the punching machine to be detected is adapted, and the detection pattern (2) is a rotationally symmetrical pattern, which is used to identify and detect the pattern (2) by the punching machine for center punching, and measure and compare the obtained center punching and Detect the position of the center of symmetry of the figure (2), and obtain the deviation value of the punching machine to be detected. 2 . The precision detection fixture for a target punching machine according to claim 1 , wherein the detection board ( 1 ) is a plate with a copper-clad surface, and the detection pattern ( 2 ) is an etched and engraved pattern. 3 . 3. The target punching machine accuracy detection fixture according to claim 2, characterized in that, the detection plate (1) is a rectangular plate, the long side length range of the detection plate (1) is 300mm-500mm, and the short side The length range is 400mm-600mm. 4. The jig for detecting the precision of the punching machine according to claim 3, characterized in that, the thickness range of the detection plate (1) is 1.00mm-2.00mm. 5 . The jig for detecting the accuracy of a target punching machine according to claim 4 , wherein the detection pattern ( 2 ) includes a plurality of pattern units that are rotationally symmetrically distributed along the circumference. 6 . 6. The jig for measuring the accuracy of a target punching machine according to claim 5, further comprising an optical rangefinder for measuring the center of symmetry of the calibration detection pattern (2).