TW202021003A - Marking system with online estimation function and operation method including a control unit as well as a carrier unit, an input unit, a marking unit, an optical image shooting unit and a display unit - Google Patents

Abstract

This invention discloses a marking system with an online estimation function and an operation method. The system includes a control unit as well as a carrier unit, an input unit, a marking unit, an optical image shooting unit and a display unit controlled by the control unit to operate. The operation method includes: acquiring an unmarked circuit board image, and defining the unmarked circuit board image as a first circuit board image; setting marking operation parameters of a marked pattern according to the first circuit board image, wherein the marking operation parameters include at least one marking position and a pattern corresponding thereto; performing a marking operation according to the marking position; acquiring a marked circuit board image, and defining the marked circuit board image as a second circuit board image, wherein the second circuit board image is internally provided with at least one marking image; and forming, by the display unit, the marked pattern on the second circuit board image in a semitransparent pattern iteration way. Therefore, it is convenient for an operator to immediately and rapidly recognize whether the marked pattern conforms to a marking regulation of a set marked pattern or not.

Description

Picture recording system equipped with online evaluation and operation method

The invention is a technical field of a picture-inscription system, in particular to a circuit board image in front of and behind a picture-in-picture in the same device, which is convenient for the operator to quickly identify whether the picture-in-picture image meets the desired picture Remember the specifications.

Circuit board drawing operations are becoming more and more common, mainly to draw on the circuit board some graphics that were not generated in the original manufacturing process, such as two-dimensional barcodes, QR codes, text or marking symbols, etc., to facilitate subsequent transportation of the circuit board, For testing or classification.

At present, the commonly used drawing method is laser engraving or inkjet, but due to the small differences in the specifications or quality of each batch of circuit boards, such as solder mask color, thickness, pad surface treatment status, etc. Before the homework, the parameters of the homework must be adjusted and tested. The homework parameters include at least the location, graphics, size, and quantity of the homework to achieve the required visibility and readability. The operating parameters of drawing equipment such as laser engraving machines and inkjet equipment are adjusted, such as adjusting the laser energy, frequency, or the amount and speed of inkjet ink.

The conventional drawing system is a single-function device for drawing graphics at the set position on the circuit board. After the drawing operation, the circuit board is removed and moved to other auxiliary observation equipment (such as a microscope) to confirm whether it meets customer needs. specification. If it does not meet the requirements, you must move back to the device, adjust the operation parameters again, and perform the drawing operation again. This type of operation is generally called offline evaluation of operation parameters, which is not only cumbersome and time-consuming. In addition, the shooting unit of the picture-recording system and the auxiliary observation device are not the same machine, which may cause the acquisition parameters to be different and show different images, causing misjudgment by the operator.

The main purpose of the present invention is to provide a drawing system and an operation method equipped with online evaluation, mainly in the same device, which can be used for circuit board graphic drawing and evaluation operations, eliminating the offline operation mode and speeding up Calibration work and can get better quality of drawing.

To achieve the above purpose, the operation method of the present invention includes: acquiring the circuit board image before drawing, defined as the first circuit board image; setting the drawing operation parameters of the drawing graphics based on the first circuit board image, the drawing The operation parameters include at least a sketch position and its corresponding graphics; the sketch operation is performed according to the sketch position; the circuit board image after the drawing is obtained is defined as a second circuit board image, and the second circuit board image has at least A pictorial image; the pictorial graphic is formed on the second circuit board image in a translucent overlay by the display unit. In this way, it is possible to quickly know whether the pictorial image complies with the specifications for setting pictorial graphics, which is convenient for subsequent decision whether to adjust other operational parameters of pictorial painting.

Furthermore, the present invention provides a drawing system equipped with online evaluation, including: a control unit and a stage unit under its control operation, an input unit, a picture unit, an optical imaging unit, and a display unit. The stage unit includes An electric transfer platform, the electric transfer platform carries a horizontal movement of the circuit board; the input unit inputs the drawing operation parameters for setting the drawing graphics, the drawing operation parameters include at least a drawing location and its corresponding graphic; The drawing unit is arranged above the stage unit, and a corresponding figure can be drawn on the drawing position on the circuit board; the optical imaging unit is arranged above the stage unit, and the circuit is taken before and after the picture is taken The board is defined as an image of the first circuit board and an image of the second circuit board, respectively; the display unit displays the drawing graphics on the image of the second circuit board in a translucent overlay mode.

In the operation method of the embodiment of the present invention, the circuit board is first placed on the electric transfer platform of the stage unit, and the electric transfer platform carries the circuit board and moves below the optical imaging unit, because the optical The imaging unit photographs the circuit board, displays the circuit board image through the display unit, and then obtains the circuit board image before drawing.

In the operation method of the embodiment of the present invention, the drawing operation parameters of the drawing graphics are related to the input operation parameters of the drawing operation through the input unit and the control unit according to user selection. After that, related components are also operated through the control unit. The input unit may be an input device such as a mouse or a keyboard.

In the operation method of the embodiment of the present invention, the labeling unit performs the drawing operation, and the electric transfer platform drives the circuit board to move below the drawing unit, and the drawing unit draws the corresponding position at the drawing position Graphics, the picture unit includes a laser engraving machine or inkjet equipment.

In the operation method of the embodiment of the present invention, after the drawing operation of the circuit board, the electric transfer platform moves the circuit board again below the optical imaging unit to photograph the circuit board. Then, the control unit overlays the image on the second circuit board image in a translucent manner through the display unit through the display unit.

Based on the above, the operator can visually confirm the pictorial graphic set by the display unit and the pictorial image after shooting by the pictorial system and operating method of the present invention without offline. Whether the shape, position, and size conform to the specifications of drawing, can effectively shorten the time of drawing operation evaluation, simplify the operation process, and improve production efficiency. Of course, the aforementioned operation method can also draw multiple drawing graphics on the circuit board at a time, each The drawing graphics can be set with other parameters for different drawing operations. This method is beneficial to the subsequent accelerated evaluation and selection of the best working parameters, which shortens the evaluation time.

The embodiments of the present invention will be described in more detail below with reference to the drawings and component symbols, so that those skilled in the art can implement them after studying this specification.

As shown in FIG. 1, it is a flow chart of an operation method of a drawing system equipped with online evaluation, mainly in the same device, which can simultaneously perform graphic drawing and online evaluation of a circuit board. The operation method includes : Step 101, obtain the circuit board image before drawing, defined as the first circuit board image; Step 102, set the drawing operation parameters of the drawing graphics based on the first circuit board image, the drawing operation parameters include at least one The location of the sketch and the corresponding graphics; Step 103, perform the sketch operation according to the location of the sketch; Step 104, obtain the image of the circuit board after the sketch, which is defined as the second circuit board image, and the second circuit board image has at least A drawing image; Step 105, the display unit forms the drawing graphic on the second circuit board image in a translucent overlay mode.

With the image displayed by the display unit, the operator can quickly know whether the sketch image conforms to the specifications for setting the sketch graphics, which is convenient for the subsequent decision whether to adjust other working parameters of the sketch.

As shown in FIG. 2, the present invention is an architecture diagram of a picture writing system equipped with online evaluation. The present invention is to use the pictorial system to perform the operation method described above. The pictorial system 200 includes: a control unit 21 and a stage unit 22 under its control, an input unit 23, a pictorial unit 24, and an optical imaging unit 25 And display unit 26.

The control unit 21 is electrically connected to each component and is responsible for the operation of the overall system. It is a computer host or computer control system.

The stage unit 22 is a working machine, and includes an electric transfer platform 221, which is a moving mechanism controlled by electromechanics and can move accurately in the horizontal direction. A jig 222 can also be installed on the electric transfer platform 221, and the jig 222 fixes the position of the circuit board 30 to be marked.

The input unit 23 is used to input drawing operation parameters for setting drawing graphics, and is an input device such as a mouse and a keyboard.

The drawing unit 24 is disposed above the stage unit 22 and is used to draw a corresponding figure at the drawing position of the circuit board 30. The drawing unit 24 is a laser engraving machine or an inkjet device. In this embodiment, a laser engraving machine is used to form a drawing pattern on the circuit board 30 by transmitting the set energy. In the case of inkjet equipment, the inkjet drawing method is used. The pictorial unit 24 has a relative mechanism for fine-tuning or moving the position depending on the device. The pictorial graphic includes at least one of a two-dimensional bar code, QR code, text, or symbol.

The optical reading unit 25 is disposed above the stage unit 22 for photographing the circuit board 30. In this embodiment, the optical reading unit 25 is a digital camera or a digital video camera. The optical reading unit 25 is connected to the control unit 21 and outputs the captured image. In this embodiment, the optical reading unit 25 mainly captures the circuit board before and after the drawing, and is defined as a first circuit board image and a second circuit board image, respectively. Among them, the relative positions of the stage unit 22, the drawing unit 24 and the optical imaging unit 25 must be corrected and positioned before being fixed, so that the electric transfer platform 221 can accurately move the circuit board 30 to the correct position for taking pictures And drawing assignments.

In this embodiment, the display unit 26 is a display for displaying the circuit board image captured by the optical reading unit 25, and the drawing graphics can be formed on the second circuit board image in a semi-transparent overlay mode.

Next, a description will be given of the picture-inscription system of the present invention and the operation method of the present invention:

In step 101, an image of the circuit board before drawing is obtained, which is defined as the first circuit board image; the circuit board 30 is first placed on the electric transfer platform 221 of the stage unit 22, and the jig 222 is used The circuit board 30 is fixed, and then the electric transfer platform 221 carries the circuit board 30 to move under the optical imaging unit 25; the optical imaging unit 25 photographs the circuit board 30 and displays the circuit board via the display unit 26 The image is defined as the first circuit board image 40 (as shown in FIG. 3). In the embodiment of FIG. 3, two circuit boards 30 are drawn at a time, and there are two first circuit boards when shooting Image 40.

Step 102: Set the drawing operation parameters of the drawing graphics. Through the input unit 21, input related drawing operation parameters, such as the drawing position, graphics, size and number, etc., according to the operator's selection content, as shown in FIG. 4, at each drawing position of the first circuit board image 40 51 sets the drawing graphics 52. Since the pictorial unit 24 is a laser engraving machine in this embodiment, it also includes adjusting the focal length, energy, frequency, etc. of the laser. In the case of inkjet equipment, it includes inkjet color, position, etc.

Step 103: Perform a sketch operation according to the sketch position. At this time, the electric transfer platform 221 drives the circuit board 30 to move below the sketch unit 24, and the sketch unit 24 draws the sketch pattern 52 at the sketch position 51 of the circuit board 30.

In step 104, the image of the printed circuit board is obtained, which is defined as the image of the second circuit board. The electric transfer platform 221 moves the circuit board 30 under the optical imaging unit 25 again, and after drawing and drawing the graphic 52, the circuit board 30, the control unit 21 defines the second circuit board image according to the received image 60 (as shown in FIG. 5), the second circuit board image 60 will have at least one pictorial image 62, and the pictorial image 62 is a pictorial image captured after the pictorial.

Afterwards, the control unit 21 makes the pictorial graphics 52 (dotted lines in the figure) on the second circuit board image 60 in a translucent overlay mode via the display unit 26 (as shown in FIG. 6 ). In actual operation, if the setting is correct, the pictorial graphic 52 will completely overlap the pictorial image 62. In the figure for understanding, it is assumed that the input setting is wrong, so the pictorial graphic 52 and the painting are clearly found in the figure Note that image 62 is separated. In this way, the operator can judge whether it meets the required drawing specifications according to the content displayed on the display unit 26, including the position, graphics, size, etc. of the drawing, if it is, then finish the work and perform the drawing operation of other circuit boards. Then, adjust the parameters of the sketch operation via the input unit 23, and then perform the evaluation operation of the sketch again to obtain the optimal operation parameters. In this embodiment, although there is only one sketch graphic on the circuit board 30, in actual operation, it is also possible to draw multiple sketch graphics on the circuit board at a time, and each sketch graphic is set with slightly different sketch operation parameters , According to the results to select the best operating parameters, this method is conducive to shorten the evaluation time.

In summary, the present invention is a drawing system and operation method equipped with online evaluation. In the case of no offline operation, that is, the circuit board does not need to be downloaded and moved to other observation equipment, the operator can draw Remember the operation and evaluation, adjust the parameters of the painting operation, thereby greatly shorten the time of the painting evaluation operation. In addition, use the same optical imaging unit to shoot the images of the circuit board before and after the painting without distortion or difference. Evaluation work to obtain more accurate information.

However, the above-mentioned embodiments are only illustrative of the effects of the present invention, and are not intended to limit the present invention. Anyone familiar with this skill can modify and change the above-mentioned embodiments without departing from the spirit and scope of the present invention. . In addition, the number of elements in the above-mentioned embodiments is merely illustrative, and is not intended to limit the present invention. Therefore, the scope of protection of the rights of the present invention should be as listed in the following patent application scope.

101~105: steps 200: Painting system 21: control unit 22: stage unit 221: Electric transfer platform 222: Fixture 23: input unit 24: Drawing unit 25: optical imaging unit 26: display unit 30: circuit board 40: First board image 51: Location of drawing 52: Draw graphics 60: Second circuit board image 62: Draw images

Fig. 1 is a flow chart of an operation method of a picture writing system equipped with online evaluation according to the present invention; Fig. 2 is a structure of a picture writing system equipped with online evaluation according to the present invention; Fig. 3 is a circuit board obtained by the present invention before drawing Schematic diagram of the image; FIG. 4 is a schematic diagram of setting the drawing graphics of the present invention; FIG. 5 is a schematic diagram of the circuit board image obtained by the present invention after the drawing; FIG. 6 is a circuit of the present invention displaying the drawing graphics on the display unit after the drawing Schematic diagram of the board image.

101~105: steps

Claims (7)

An operation method of a drawing system equipped with online evaluation, the steps of which include: obtaining the circuit board image before drawing, defined as the first circuit board image; setting the drawing operation of the drawing graphics based on the first circuit board image Parameters, the drawing operation parameters include at least a drawing position and its corresponding graphic; performing the drawing operation according to the drawing position; obtaining the circuit board image after the drawing is defined as the second circuit board image, the second circuit The board image has at least one sketch image; the display unit forms the sketch image on the second circuit board image in a translucent overlay mode. As described in item 1 of the scope of the patent application, an operation method of a drawing system equipped with online evaluation, in which the circuit board image before drawing is obtained, the circuit board is first placed on the electric transfer platform of the stage unit The electric transfer platform carries the circuit board and moves under the optical imaging unit. The optical imaging unit photographs the circuit board and displays the circuit board image through the display unit. As described in item 1 of the scope of the patent application, an operation method of a picture-recording system equipped with online evaluation, in which the picture-recording operation parameters for setting picture-recording graphics are inputted through the control unit via the control unit according to the content selected by the user parameter. As described in item 2 of the scope of the patent application, an operation method of a picture-recording system equipped with online evaluation, wherein the picture-recording operation is performed according to the position of the picture-recording, the circuit board is moved to the picture-recording unit by the electric transfer platform Below, the pictorial unit draws at least one pictorial graphic at the pictorial location. As described in item 4 of the scope of the patent application, an operation method of a picture-recording system equipped with online evaluation, wherein the picture-recording unit includes one of a laser engraving machine or an inkjet device. As described in item 2 of the scope of the patent application, an operation method of an onboard evaluation system equipped with an online evaluation, in which the circuit board image after drawing is obtained, the circuit board after drawing is moved by the electric transfer platform to The circuit board is photographed under the optical imaging unit, and the pictorial image refers to the pictorial graphics formed on the circuit board. A drawing system equipped with online evaluation, which includes: a carrier unit, including an electric transfer platform, which carries a horizontal movement of a circuit board; Operation parameters, the drawing operation parameters include at least a drawing position and its corresponding graphic; a drawing unit, disposed above the stage unit, can draw a corresponding graphic to at least one of the drawing location on the circuit board An optical imaging unit, which is arranged above the stage unit to capture the circuit board before and after drawing, and is defined as the first circuit board image and the second circuit board image respectively; a display unit with a translucent overlay Displaying the pictorial graphics on the second circuit board image; and a control unit electrically connected to the stage unit, the input unit, the pictorial unit, the optical imaging unit and the display unit to control each The operation of components.

Images