TWM521735U - Circuit board inspector - Google Patents

Description

Circuit board inspection machine

The present invention provides a circuit board detecting machine, in particular, the driving part of the machine can drive the horizontal reciprocating displacement of the moving seat, and the image sensor is moved to the upper part of the circuit board placed on the working platform to capture the contact image, and then The detection state after the contact image and the database image are compared is displayed by the display screen.

According to the rapid development of today's technology and information, various electronic products are constantly being introduced, and gradually become lighter, thinner, shorter, smaller, easier to carry, and speeding up in computing and transmission speed to provide people with a lot of work or life. Convenience, while electronic products such as computers, notebook computers, tablet computers or smart phones are usually equipped with a circuit board (PCB), and electronic components assembled with different functions on the circuit board to make electronic products Ability to perform its own functions.

Furthermore, as the functional requirements of the circuit board increase and the manufacturing assembly and assembly technology continue to grow, the area of the semiconductor component becomes smaller, and the number and density of components per unit area on the circuit board are greatly increased, so that a plurality of contacts are arranged on the circuit board ( The manufacturing and processing of the gold finger or copper foil, the hole position and the circuit are relatively more precise and complicated, and the general manufacturing industry will improve the quality and yield of the circuit board manufacturing at the end of the circuit board. The segment is added to the manual visual inspection job for sampling or full inspection to filter defective products, such as surface defects, component displacement, wrong parts, missing parts. And solder joint defects or flaws (such as air welding or open circuit, bridging or short circuit, etc.), most of the tests are still regarded as the main subject of manual inspection. The visual inspection of such inspectors is not only a waste of time, but also due to personal subjective consciousness or fatigue. Inconsistent test results, resulting in more difficult quality control of the board, so in order to meet the needs of production line automation and process, how to introduce automated mechanical vision inspection to effectively monitor the quality of the board and reduce the cost of rework and labor It will be necessary to study the key points for those who are engaged in this industry.

Therefore, in view of the above-mentioned problems and shortcomings, the new creators have collected such relevant materials through various evaluations and considerations, and have used the trial and modification of many years of R&D experience in this industry to design such circuit board testing machines. A new type is born.

The main purpose of the creation is that the base of the machine has a working platform on which the circuit board can be placed, and a driving part is arranged on the longitudinal bracket at the side of the working platform, and the driving part is provided. An image sensor of the detecting device is disposed on the movable seat connected to one side, and a display screen is disposed on the outer casing of the outer cover of the base, and the driving portion of the machine drives the moving seat to perform lateral reciprocating displacement. When the image sensor of the linkage detecting device moves to the upper part of the circuit board to capture the contact image on the circuit board, and the screen of the display screen displays the image of the contact image captured by the detecting device and the database image. After the identification, the detection status, such as testing, pass or fail, can replace the traditional manual visual inspection operation, thereby improving the efficiency and reliability of the board detection, while ensuring the quality and yield of the manufacturing, and thus achieving automation. Mechanical vision detection, improved detection efficiency and reduced cost.

1‧‧‧ machine

11‧‧‧Base

111‧‧‧Working platform

1111‧‧‧Positioning gusset

112‧‧‧ bracket

12‧‧‧ Drive Department

121‧‧‧Motor

1211‧‧‧Coupling

122‧‧‧ lead screw

1221‧‧‧Linear slides

13‧‧‧Mobile seat

14‧‧‧Outer casing

140‧‧‧Operating space

1401‧‧‧ openings

141‧‧‧掀盖

15‧‧‧Operator interface

2‧‧‧Detection device

21‧‧‧Image sensor

3‧‧‧ Display screen

31‧‧‧ screen

4‧‧‧ boards

41‧‧‧Contacts

The first picture is a three-dimensional appearance of the creation.

The second picture is a three-dimensional exploded view of the creation.

The third figure is a three-dimensional appearance of the preferred embodiment of the present invention.

The fourth figure is a schematic diagram of the operation of the circuit board in the preferred embodiment of the present invention.

The fifth figure is a schematic diagram (I) of the state after the circuit board of the preferred embodiment is inspected.

The sixth figure is a schematic diagram of the state after the detection of the circuit board of the preferred embodiment of the present invention (2).

In order to achieve the above objectives and effects, the technical means and its construction adopted in the present invention are described in detail in the preferred embodiment of the present invention, and the structure and function are as follows.

Please refer to the first, second and third figures, which are respectively a three-dimensional external view, an exploded view and a three-dimensional external view of the preferred embodiment. As can be clearly seen from the figure, the circuit board detecting machine of the present invention is shown. In order to include the organic table 1, the detecting device 2 and the display screen 3, the main components and features of the present invention are as follows: wherein the machine table 1 has a base 11 and is provided on the surface of the base 11 The L-shaped positioning slanting plate 1111 of the working platform 111, and the working platform 111 is located at the rear of the positioning gusset 1111 on the longitudinal support 112 is provided with a driving portion 12, and the driving portion 12 has a motor 121 side at the side of the coupling A 1211 or a speed reduction mechanism (not shown) is coupled to the lateral lead screw 122, and a movable seat 13 is coupled to the linear slide 1221 screwed to the lead screw 122.

Furthermore, the outer portion of the base 11 of the machine 1 is covered with an outer casing 14 , and an opening 1401 is formed in front of the operating space 140 inside the outer casing 14 . And the opening 1401 is provided with a cover 141 for opening upwards or downwards, and a working interface 15 with a plurality of switches, indicator lights or displays adjacent to the opening 1401 below the front side of the outer casing 14 is provided. The inside of the seat 11 is provided with a drive control system (not shown) electrically connected to the driving portion 12, the operation interface 15, the detecting device 2 and the display screen 3, and is driven by the operating interface 15 to drive the control system. The parameter setting, driving and operation control, instant detection and state detection of the detecting unit 2 and the display screen 3, etc., and the simple modification and equivalent structural changes of the present specification and the graphic content should be The same reason is included in the scope of the patent of this creation, and is combined with Chen Ming.

The detecting device 2 is disposed on the moving base 13 of the machine table 1 and is provided with an image sensor 21 in the direction of the detecting platform 2 toward the working platform 111. The image sensor 21 can be a complementary metal oxide semiconductor (CMOS), charge coupled. Component (CCD) or other type of image sensor.

The display screen 3 is disposed on the outer casing 14 of the machine 1 and located above the operation interface 15, and has a screen 31 for displaying the detection state of the detecting device 2, but the portion of the display sensor 21 is captured on the circuit board 4. The image of the contact 41, the hole position and the like, and the image and the built-in database image of the drive control system are compared to identify whether there is a defect or defect of the contact 41, the hole position, and then displayed on the screen 31 of the display screen 3. The state of detection is in the scope of the prior art, and different image processing methods and detection methods of database image comparison identification can be adopted according to actual applications, so as to achieve the purpose of mechanical vision detection, and the composition of the details is not the case. The main points of creation are only briefly described here for understanding.

Please refer to the fourth, fifth and sixth figures for the action diagram of the circuit board for the preferred embodiment of the present invention, and the state diagram after the detection (1) and the state diagram. (2), as is clear from the figure, when the user places the circuit board 4 to be tested on the working platform 111 of the machine 1, the two adjacent sides of the circuit board 4 can be firstly abutted. Positioning the position of the inner side of the gusset 1111 at a right angle, and positioning the circuit board 4 on the working platform 111, and then pressing the operating interface 15 to start, can be driven to the driving part 12 by the driving control system. The motor 121 drives the lead screw 122 to laterally reciprocate the movable seat 13, and moves the image sensor 21 of the detecting device 2 to the upper portion of the circuit board 4 to capture the image of the contact 41 on the circuit board 4, and waits After the driving unit 12 drives the image sensor 21 to return to the original position, the image processing can be performed through the driving control system, and the image is compared with the database image to identify whether the contact 41 has defects or defects, and then the display screen 3 is displayed. The screen 31 displays the detected state, such as Processing, Pass or Fail, thereby completing the detection operation of the contact 41 of the board 4 or the defect, and the detection is performed. The circuit board 4 is taken out, and the above steps are repeated. To test other circuit boards 4, this automatic mechanical vision detection method can replace the traditional manual visual inspection operation, which can not only improve the efficiency and reliability of the circuit board 4 detection, but also effectively reduce the cost of manual work, and at the same time Ensure the quality and yield of manufacturing, and thus achieve automated mechanical vision detection, improve detection efficiency and reduce cost.

Therefore, the creation is mainly for the working platform 111 on which the circuit board 4 is placed on the base 11 of the machine platform 1, and the driving portion is provided on the longitudinal bracket 112 at the side of the working platform 111. 12, and the image sensor 21 of the detecting device 2 is disposed on the moving base 13 connected to one side of the driving portion 12, and the display screen 3 is disposed on the housing 14 outside the cover 11 of the base 11 when the driving portion 12 is provided. When the moving seat 13 is driven to perform a lateral reciprocating displacement, the image sensor 21 can be moved to the upper side of the circuit board 4 for power extraction. The image of the contact 41 on the road board 4 is displayed by the screen 31 of the display screen 3, and the detection state of the image captured by the detecting device 2 and the image of the database is recognized, thereby achieving automatic mechanical vision detection. Improve the efficiency of detection and reduce the cost.

The above detailed description is intended to illustrate a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and other equivalents and modifications may be made without departing from the spirit of the invention. Changes are to be included in the scope of patents covered by this creation.

In summary, the above-mentioned circuit board testing machine can achieve its efficacy and purpose when it is used. Therefore, this creation is a practical and excellent creation, which is in line with the application requirements of the new patent, and the application is made according to law. The trial committee will grant this case as soon as possible to protect the hard work of the new creators. If there is any doubt in the bureau, please do not hesitate to give instructions. The new creators will try their best to cooperate with them.

1‧‧‧ machine

11‧‧‧Base

111‧‧‧Working platform

1111‧‧‧Positioning gusset

112‧‧‧ bracket

12‧‧‧ Drive Department

121‧‧‧Motor

1211‧‧‧Coupling

122‧‧‧ lead screw

1221‧‧‧Linear slides

13‧‧‧Mobile seat

14‧‧‧Outer casing

141‧‧‧掀盖

15‧‧‧Operator interface

2‧‧‧Detection device

21‧‧‧Image sensor

3‧‧‧ Display screen

31‧‧‧ screen

Claims (6)

A circuit board detecting machine includes an organic table, a detecting device and a display screen, wherein: the machine has a base, and the surface of the base is provided with a working platform on which a preset circuit board is placed, and a driving portion is disposed on a longitudinal bracket at a side of the working platform, and a moving seat for driving the driving portion to be laterally reciprocally displaced is coupled to one side of the driving portion, and an outer casing is coupled to the outer cover of the base; The detecting device is disposed on the moving base, and the detecting device is provided with an image sensor for capturing a contact image on the preset circuit board in the direction of the working platform; the display screen is disposed on the outer casing and has a display The detection device captures the image of the detected state after the contact image and the preset database image are compared. The circuit board inspection machine of claim 1, wherein the machine platform is located on the working platform of the base, and is provided with a position for guiding the adjacent side edges of the predetermined circuit board against the position guide. Corner board. The circuit board inspection machine of claim 1, wherein the machine is located at a position behind the working platform of the base, and is provided with a longitudinal bracket, and a motor of the driving part is arranged on the bracket, and the motor is at one side. The coupling is connected to the transverse lead screw, and the linear sliding rail and the linear sliding rail are coupled to the lead screw. The circuit board inspection machine of claim 1, wherein the outer casing of the machine has an operation space inside, and a cover for opening upward or downward is provided at an opening in front of the operation space. The circuit board inspection machine of claim 1, wherein the base of the machine base is electrically connected to the driving part, the operation interface, the detecting device and the preset on the display screen. The control system is driven, and an operation interface for driving the preset driving control system to the driving part, the detecting device and the display screen is provided at the front side of the outer casing. The circuit board inspection machine of claim 1, wherein the image sensor of the detecting device is a complementary metal oxide semiconductor or a charge coupled device.