CN216646656U

CN216646656U - Front and back testing equipment for Pad lamp panel based on vision

Info

Publication number: CN216646656U
Application number: CN202122171643.0U
Authority: CN
Inventors: 屠国权
Original assignee: Shanghai Deyou Intelligent Technology Co ltd
Current assignee: Shanghai Deyou Intelligent Technology Co ltd
Priority date: 2021-09-08
Filing date: 2021-09-08
Publication date: 2022-05-31
Anticipated expiration: 2031-09-08

Abstract

The utility model discloses vision-based front and back side testing equipment for a Pad lamp panel, wherein a left calibration mark and a right calibration mark are arranged on an upper needle module, the upper needle module is connected with an upper needle aligning sliding table cylinder, the upper needle aligning sliding table cylinder is connected with an upper XY theta electric aligning platform, a product carrier is clamped between the upper needle module and a lower needle module, a PAD product to be tested is placed on the product carrier, a product left mark point and a product right mark point are arranged on the PAD product to be tested, two upper CCD positioning cameras are arranged above the PAD product to be tested, the lower needle module is arranged below the PAD product to be tested, the lower needle module is connected with a lower needle aligning sliding table cylinder, the lower needle aligning sliding table cylinder is arranged on the lower XY theta electric aligning platform through a forward and backward movement sliding table cylinder, and a lower CCD positioning camera is arranged below the lower XY theta electric aligning platform. The vision and the adjusting mechanism are matched to act through a high-quality algorithm, the needle aligning speed and the needle aligning accuracy are greatly improved, and manual intervention is not needed.

Description

Front and back testing equipment for Pad lamp panel based on vision

Technical Field

The utility model relates to front and back testing equipment for a Pad lamp panel, in particular to front and back testing equipment for a Pad lamp panel based on vision.

Background

The conventional testing method for testing the front and back surfaces of the Pad lamp panel is manual testing, an operator is required to strictly follow the operation steps and carefully adjust the testing method, the working intensity of the operator is high, the accuracy is low, the efficiency is low, and a large number of configuration personnel are required for completing the product testing. The operation needs to be aligned by means of human vision, the upper and lower needle point tests of the product are carried out in two parts and cannot be completed simultaneously, visual fatigue is easily caused by long-time operation, misoperation can be caused, needle points are pricked to be deviated, and product damage is caused.

In conclusion, the front and back sides of the Pad lamp panel testing equipment based on vision is designed.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide vision-based front and back testing equipment for a Pad lamp panel, wherein a vision and adjusting mechanism is matched with action through a high-quality algorithm, so that the needle aligning speed and the needle aligning accuracy are greatly improved, and manual intervention is not needed; the related test can be carried out on the probe point to be tested of the product by matching with a voltage and capacitance test instrument, and a related data file is collected.

In order to achieve the purpose, the utility model is realized by the following technical scheme: a vision-based front and back side test device for a Pad lamp panel comprises an upper XY theta electric alignment platform, an upper CCD positioning camera, an upper needle aligning sliding table cylinder, an upper needle module, a product carrier, a lower XY theta electric alignment platform, a lower CCD positioning camera, a forward and backward movement sliding table cylinder, a lower needle aligning sliding table cylinder and a lower needle module, wherein the upper needle module is provided with a left calibration mark and a right calibration mark, the upper needle module is connected with the upper needle aligning sliding table cylinder, the upper needle aligning sliding table cylinder is connected with the upper XY theta electric alignment platform, the product carrier is clamped between the upper needle module and the lower needle module, a PAD product to be tested is placed on the product carrier, a product left mark point and a product right mark point are arranged on the PAD product to be tested, two upper CCD positioning cameras are arranged above the PAD product to be tested, the lower needle module is arranged below the PAD product, and the lower needle sliding table cylinder is connected with the lower needle sliding table, the lower needle alignment sliding table cylinder is arranged on the lower XY theta electric alignment platform through the forward and backward movement sliding table cylinder, and a lower CCD positioning camera is arranged below the lower XY theta electric alignment platform.

Preferably, the product left marking point and the product right marking point are respectively compared with the left calibration mark and the right calibration mark.

The utility model has the beneficial effects that:

the visual sense automatic identification marks point position difference, detects the back of accomplishing, calculates out the deviation of the current position of needle module and target position through the algorithm, and the position of the needle point that awaits measuring on the fast accurate alignment lamp plate, control counterpoint platform remove, and the product test accuracy is more than 99%, can realize the counterpoint of upper and lower needle module simultaneously and prick the needle test.

Drawings

The utility model is described in detail below with reference to the drawings and the detailed description;

FIG. 1 is a front view of the present invention;

FIG. 2 is a top view of the present invention;

FIG. 3 is a schematic perspective view of the present invention;

fig. 4 is a positioning schematic diagram of the present invention.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

Referring to fig. 1, the following technical solutions are adopted in the present embodiment: a vision-based front and back side test device for a Pad lamp panel comprises an upper XY theta electric alignment platform 1, an upper CCD positioning camera 2, an upper needle alignment sliding table cylinder 3, an upper needle module 4, a product carrier 6, a lower XY theta electric alignment platform 7, a lower CCD positioning camera 8, a forward and backward movement sliding table cylinder 9, a lower needle alignment sliding table cylinder 10 and a lower needle module 11, wherein a left calibration mark 14 and a right calibration mark 15 are arranged on the upper needle module 4, the upper needle module 4 is connected with the upper needle alignment sliding table cylinder 3, the upper needle alignment sliding table cylinder 3 is connected with the upper XY theta electric alignment platform 1, the product carrier 6 is clamped between the upper needle module 4 and the lower needle module 11, a PAD product 5 to be tested is placed on the product carrier 6, a product left marking point 12 and a product right marking point 13 are arranged on the PAD product 5 to be tested, two upper positioning cameras 2 are arranged above the PAD product 5 to be tested, the PAD product 5 below that awaits measuring is provided with lower needle module 11, and lower needle module 11 links to each other with lower counterpoint slip table cylinder 10, and lower counterpoint slip table cylinder 10 sets up on XY theta electronic counterpoint platform 7 down through seesaw slip table cylinder 9, and lower XY theta electronic counterpoint platform 7 below is provided with a lower CCD location camera 8.

The product left marking point 12 and the product right marking point 13 are respectively compared with the left calibration mark 14 and the right calibration mark 15.

This embodiment can calculate needs action and offset through two CCD location cameras 2, lower CCD location camera 8 on, and the position of needle module about rethread two XY theta electronic counterpoint modules is adjusted, guarantees about the probe accurate test point of aiming at the product.

The product positioning process of the present embodiment is as follows: the product and the carrier plate enter a conveying line together, the carrier plate is jacked up to be separated from the conveying line and then fixed (vacuum adsorption and clamping) by a jacking mechanism after being in place, an upper CCD positioning camera shoots a left mark point 12 and a product right mark point 13 of the product on the carrier plate and compares the left mark point with a left calibration mark 14 and a right calibration mark 15 on an upper needle module, information is transmitted to an upper computer, the upper CCD positioning camera shoots a picture, the upper needle module voltage testing needle plate position is adjusted by an XY theta automatic alignment platform, a rear needle plate is pressed downwards, the lower CCD positioning camera shoots a picture, the lower needle module position is adjusted by the XY theta automatic alignment platform, the rear needle plate is jacked upwards, and then parameters such as voltage, current, capacitance and the like of a needle point to be tested of the product are electrically tested.

The positioning principle of the present embodiment is as follows:

1. the camera calculates the product tilt angle phi by identifying the coordinates of the two markers in the camera.

And 2, the PLC acquires an angle value phi and controls the three-axis platform to adjust the angle of the product to 0.

And 3, recognizing center points O1 of two mark points of the horizontal product by the CCD camera, and subtracting O0 from O1 to calculate a horizontal direction value X and a vertical direction value Y of the product deviation.

The PLC acquires the X/Y value, controls the product to move to the O0 position,

5. and after the movement is finished, the PLC acquires product position data. The feedback judgment makes the product reach the position O0 (phi is less than or equal to 0.1, X is less than or equal to 0.05, and Y is less than or equal to 0.05).

6. And finishing positioning.

Example 1: 50 such vision alignment based electronic test equipment of XXX electronics, Inc. have been provided;

after the product enters the equipment, the product is positioned through the automatic positioning mechanism, the sensor detects that the product is positioned, the vision and alignment platform is triggered to work, after the product is adjusted in place, the upper and lower needle modules can carry out needle point alignment, and corresponding instruments acquire corresponding test data.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A vision-based front and back surface test device for a Pad lamp panel is characterized by comprising an upper XY theta electric alignment platform (1), an upper CCD positioning camera (2), an upper needle aligning sliding table cylinder (3), an upper needle module (4), a product carrier (6), a lower XY theta electric alignment platform (7), a lower CCD positioning camera (8), a forward and backward movement sliding table cylinder (9), a lower needle aligning sliding table cylinder (10) and a lower needle module (11), wherein the upper needle module (4) is provided with a left calibration mark (14) and a right calibration mark (15), the upper needle module (4) is connected with the upper needle aligning sliding table cylinder (3), the upper needle aligning sliding table cylinder (3) is connected with the upper XY theta electric alignment platform (1), the product carrier (6) is clamped between the upper needle module (4) and the lower needle module (11), a PAD product (5) to be tested is placed on the product carrier (6), a product left mark point (12) and a product right mark point (13) are arranged on a PAD product (5) to be detected, two upper CCD positioning cameras (2) are arranged above the PAD product (5) to be detected, a lower needle module (11) is arranged below the PAD product (5) to be detected, the lower needle module (11) is connected with a lower needle slide table cylinder (10), the lower needle slide table cylinder (10) is arranged on a lower XY theta electric alignment platform (7) through a front-back motion slide table cylinder (9), and a lower CCD positioning camera (8) is arranged below the lower XY theta electric alignment platform (7).

2. The vision-based front and back testing device for the Pad lamp panel as claimed in claim 1, wherein the product left marking point (12) and the product right marking point (13) are respectively compared with the left calibration mark (14) and the right calibration mark (15).