CN218939626U

CN218939626U - Visual positioning device based on pattern recognition

Info

Publication number: CN218939626U
Application number: CN202222955236.3U
Authority: CN
Inventors: 洪超; 项雨; 李事成; 韩云诚; 陈怡福
Original assignee: Muehlbauer Technologies Wuxi Co ltd
Current assignee: Muehlbauer Technologies Wuxi Co ltd
Priority date: 2022-11-07
Filing date: 2022-11-07
Publication date: 2023-04-28
Anticipated expiration: 2032-11-07

Abstract

The utility model belongs to the technical field of direct patch equipment, and particularly relates to a visual positioning device based on pattern recognition, which comprises the following components: the picture identification part, the detection part and the bad mark printing part are all arranged on the workbench; the utility model adds a procedure of pattern recognition before the testing station and adds a procedure of printing bad marks after the testing, the pattern recognition can utilize a camera to shoot the accurate position of the recognition chip, then the deviation amount is sent to an upper computer, and then a driving motor adjusts the next stepping amount, thereby increasing the coincidence ratio of the testing head and the chip, ensuring the testing accuracy and reducing the phenomena of missing test and missing test; through printing bad mark device, can in time select bad mark, avoid follow-up repetitive work to reduce company's cost, improve product efficiency.

Description

Visual positioning device based on pattern recognition

Technical Field

The utility model belongs to the technical field of direct patch equipment, and particularly relates to a visual positioning device based on pattern recognition.

Background

The direct chip mounting equipment is a machine capable of bonding chips on labels, and mainly has the functions of input and output reels, buffering, pre-mounting, testing, bad product marking and the like, and flexible equipment configuration can be suitable for mass production of products of different scales. Among them, how to accurately determine the bonding position of the chip to perform the signal test is one of the important considerations for product quality and production cost.

The test module commonly used is that the test head is fixed, and the label is driven to move according to a certain distance by virtue of motor drive to test, but the position of the chip cannot be ensured due to the reasons of deviation of the antenna position, narrow chip and the like, and a small amount of deviation can also lead to the fact that a test station cannot perform accurate test, and meanwhile, the phenomena of missing test and few test are easy to occur, so that the performance and quality of a product are difficult to control, and the cost and the efficiency of a company are also very bad.

Disclosure of Invention

The utility model aims to: a visual positioning device based on pattern recognition is provided to solve the above-mentioned problems.

The technical scheme is as follows: a visual positioning device based on pattern recognition, comprising: the picture identification part consists of a backlight source, a camera, a lens and a connecting wire, is arranged on the workbench, the detection part is arranged on the workbench and is movably connected with the workbench, and the bad mark printing part is arranged on the workbench and is movably connected with the workbench; the detection part moves between the picture identification positioning part and the bad mark printing part.

In a further embodiment, the picture identifying section includes: the two first side plates are symmetrically and fixedly arranged on the workbench, the first supporting table and the second supporting table are fixedly connected between the two first side plates, the first supporting table and the second supporting table are provided with slide ways, the backlight source is movably connected to the first supporting table through the matching of the slide blocks and the slide ways, the camera is movably arranged on the second supporting table through the matching of the connecting blocks and the slide ways, the lens is arranged on the camera, and the camera is connected with the upper computer through a connecting line;

the second support table is above the first support table.

In a further embodiment, the workbench is provided with a guide rail, the workbench is fixedly mounted on the supporting plate, and the side edge of the workbench is provided with a graduated scale.

In a further embodiment, the detection section includes: the first detection table and the second detection table have the same structure and are in sliding connection with the guide rail on the workbench by adopting sliding blocks;

the detection stage includes: the first moving table is in sliding connection with the workbench, a chute is formed in the first moving table, the second moving table is movably connected to the first moving table in a matched mode through a bottom protruding block and the chute, a locking bolt penetrates through the first moving table and is connected with the second moving table, the second moving table is fixed to a certain position of the first moving table, the mounting table is mounted on the second moving table through a supporting rod and is provided with an adjusting groove, and the material table is mounted on the mounting table through the bolt penetrating through the adjusting groove;

and a connecting table is arranged between the first detection table and the second detection table.

In a further embodiment, the bad mark printing section includes: two second curb plates, parallel mount, and adopt the slider with guide rail sliding connection on the workstation, print platform and third brace table, equal fixed connection is between two second curb plates, it has the slide to open on the third brace table, the third brace table is in on the print platform, bad mark printer, through connecting block and slide cooperation movable mounting in on the third brace table.

In a further embodiment, the support plate is provided with a two-wheel drive shaft.

In a further embodiment, the second side plate and the first moving table are provided with indication pins and brake blocks, and the brake blocks fix the detection and bad mark printing part at a certain position of the workbench.

The beneficial effects are that: the utility model belongs to the technical field of direct surface mount devices, and provides a visual positioning device based on pattern recognition. The pattern recognition can utilize the camera to shoot and recognize the accurate position of the chip, then send the deviation amount to the upper computer, then the driving motor adjusts the next stepping amount, so as to increase the coincidence ratio of the test head and the chip, ensure the accuracy of the test, and reduce the phenomena of missing test and few test; through printing bad mark device, can in time select bad mark, avoid follow-up repetitive work to reduce company's cost, improve product efficiency.

Drawings

Fig. 1 is an isometric view of a visual positioning device of the present utility model.

Fig. 2 is a front view of the visual positioning device of the present utility model.

Fig. 3 is a schematic diagram of a picture recognition unit according to the present utility model.

Fig. 4 is an isometric view of a detector of the present utility model.

Fig. 5 is a front view of the detection unit of the present utility model.

Fig. 6 is a schematic diagram of a bad mark printing section of the present utility model.

Reference numerals: the image recognition device comprises a picture recognition part 1, a detection part 2, a bad mark printing part 3, a first side plate 4, a first supporting table 5, a second supporting table 6, a backlight source 7, a camera 8, a lens 9, a workbench 10, a guide rail 11, a supporting plate 12, a graduated scale 13, a first detection table 14, a second detection table 15, a first moving table 16, a second moving table 17, a locking bolt 21, a mounting table 18, a material table 19, a connecting table 20, a second side plate 22, a printing table 23, a third supporting table 24, a bad mark printer 25, a double-wheel driving shaft 26, an indicator 27 and a brake block 28.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. 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.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

A visual positioning device based on pattern recognition, comprising: picture recognition part 1, detection part 2, bad mark printing part 3.

As shown in fig. 1 and 2, the picture recognition unit 1 is composed of a backlight 7, a camera 8, a lens 9, and a connecting wire, and is mounted on a table 10, the detection unit 2 is mounted on the table 10 and is movably connected, and the bad mark printing unit 3 is mounted on the table 10 and is movably connected; the detection part 2 is movably connected between the picture identification positioning part and the bad mark printing part 3.

The workbench 10 is provided with a guide rail 11, the workbench 10 is fixedly arranged on the supporting plate 12, and the side edge of the workbench 10 is provided with a graduated scale 13.

The support plate 12 is provided with a two-wheel drive shaft 26 and is driven and controlled by a motor.

Example 1:

as shown in fig. 3, the picture recognition unit 1 includes: the two first side plates 4 are symmetrically and fixedly arranged on the workbench 10, the first supporting table 5 and the second supporting table 6 are fixedly connected between the two first side plates 4, the first supporting table 5 and the second supporting table 6 are provided with slide ways, the backlight source 7 is movably connected to the first supporting table 5 through the matching of the slide blocks and the slide ways, the camera 8 is movably arranged on the second supporting table 6 through the matching of the connecting blocks and the slide ways, the lens 9 is arranged on the camera 8, and the camera 8 is connected with an upper computer through a connecting line;

the second support table 6 is above the first support table 5.

Example 2:

as shown in fig. 4 and 5, the detection unit 2 includes: the first detection table 14 and the second detection table 15 have the same structure and are in sliding connection with the guide rail 11 on the workbench 10 by adopting sliding blocks;

the detection stage includes: the first moving table 16 is slidably connected with the working table 10, a chute is formed on the first moving table 16, the second moving table 17 is movably connected with the first moving table 16 in a matched manner through a bottom bump and the chute, a locking bolt 21 penetrates through the first moving table 16 and is connected with the second moving table 17, the second moving table 17 is fixed at a certain position of the first moving table 16, a mounting table 18 is mounted on the second moving table 17 through a supporting rod and is provided with an adjusting groove, and a material table 19 is mounted on the mounting table 18 through the adjusting groove through a bolt;

a connection table 20 is provided between the first detection table 14 and the second detection table 15.

Example 3:

as shown in fig. 6, the bad mark printing section 3 includes: the two second side plates 22 are installed in parallel and are in sliding connection with the guide rail 11 on the workbench 10 by adopting sliding blocks, the printing table 23 and the third supporting table 24 are fixedly connected between the two second side plates 22, a slideway is arranged on the third supporting table 24, the third supporting table 24 is arranged on the printing table 23, and the bad mark printer 25 is movably installed on the third supporting table 24 in a matched mode through a connecting block and the slideway.

In one embodiment, the second side plate 22 and the first moving table 16 are provided with an indicator pin 27 and a brake block 28, and the brake block 28. The detection and bad mark printing part 3 is fixed at a certain position of the workbench 10.

Working principle: the motor controls the dual wheel drive shaft 26 to rotate at a fixed speed, pulling the patch to move in a step-wise rearward direction. When the patch moves under the lens 9 of the picture recognition part 1, the chip presents a clear outline and gray level image under the irradiation of the backlight 7, the camera 8 shoots the picture of the current label, the system recognizes the data of the chip in the x-axis and y-axis directions, compares the data with the template in the system teaching to obtain the deviation of the current chip in the two directions in the template, and then uploads the value to the control system, the system transmits the displacement variable to the motor according to the recognized information, the motor controls the driving shaft to pull the label forwards or backwards (the x-axis direction), and fine-adjusts the stepping amount before shooting next time, so that the quality of the chip can be stably detected when the chip passes through the detection part 2.

After detecting the chip condition, the system transmits information to the bad mark printer 25, and when the bad mark passes through the printer, the printer breaks down the bad mark and then transmits the broken mark to the next process.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the utility model.

Claims

1. A visual positioning device based on pattern recognition, the visual positioning device comprising: the picture identification part consists of a backlight source, a camera, a lens and a connecting wire, is arranged on the workbench, the detection part is arranged on the workbench and is movably connected with the workbench, and the bad mark printing part is arranged on the workbench and is movably connected with the workbench; the detection part is movably connected between the picture identification positioning part and the bad mark printing part.

2. The visual positioning device based on pattern recognition according to claim 1, wherein the pattern recognition section includes: the two first side plates are symmetrically and fixedly arranged on the workbench, the first supporting table and the second supporting table are fixedly connected between the two first side plates, the first supporting table and the second supporting table are provided with slide ways, the backlight source is movably connected to the first supporting table through the matching of the slide blocks and the slide ways, the camera is movably arranged on the second supporting table through the matching of the connecting blocks and the slide ways, the lens is arranged on the camera, and the camera is connected with the upper computer through a connecting line;

the second support table is above the first support table.

3. The visual positioning device based on pattern recognition according to claim 1, wherein the workbench is provided with a guide rail, the workbench is fixedly arranged on the supporting plate, and the side edge of the workbench is provided with a graduated scale.

4. A visual positioning device based on pattern recognition according to claim 3, wherein the detecting section comprises: the first detection table and the second detection table have the same structure and are in sliding connection with the guide rail on the workbench by adopting sliding blocks;

5. The visual positioning device based on pattern recognition according to claim 4, wherein the bad mark printing section comprises: two second curb plates, parallel mount, and adopt the slider with guide rail sliding connection on the workstation, print platform and third brace table, equal fixed connection is between two second curb plates, it has the slide to open on the third brace table, the third brace table is in on the print platform, bad mark printer, through connecting block and slide cooperation movable mounting in on the third brace table.

6. A visual positioning device based on pattern recognition as set forth in claim 3, wherein,

the support plate is provided with a double-wheel driving shaft.

7. The visual positioning device based on pattern recognition according to claim 5, wherein the second side plate and the first moving table are provided with indication pins and brake blocks, and the brake blocks fix the detection and bad mark printing part at a certain position of the workbench.