TWI757982B - Optical recognition nozzle system - Google Patents

Abstract

An optical recognition nozzle system includes a plurality of nozzle structures, a CCD imaging module and a control processor. Each nozzle structure includes a nozzle body and a light spot marking module. The light spot marking module includes a power source, a luminous light source, a focusing module and a protective glass. The focusing module is used to adjust to make the light emission parallel or diffuse. The CCD imaging module is used to take pictures of the circuit board. The light is emitted to the circuit board through the luminous light source of the light spot marking module. After the image of the circuit board is captured by the CCD imaging module, the control processor automatically judges whether the multiple light spots on the circuit board are in the right position through the image.

Description

Optical identification nozzle system

A nozzle, especially a nozzle system with optical recognition.

Press, the printed circuit board (PCB) can be used as a support for electronic components. It can use the designed metal conductor lines to connect multiple electronic components to each other by means of insertion, which not only reduces the number of physical circuits. Set to save space, so that the surface area of the printed circuit board can be reduced to the minimum according to the demand, which is in line with the current trend of miniaturization of the volume of electronic products. It is more in line with the economic benefits of the electronic industry, so that the printed circuit board has become an indispensable and necessary electronic component in the current electronic related industry, and its application can be included in devices such as computers and smart phones.

At present, when the circuit board is in the process of operation, most of the suction devices use the suction nozzle assembly to suck the circuit board for movement by means of negative pressure extraction. However, the current conventional suction device cannot automatically determine the location of the circuit board. Fine-tune the suction nozzle assembly to a better suction position, and it is impossible to automatically turn the suction nozzle assembly to change its working surface, so the working efficiency of the suction device in the process is often not as expected. Therefore, how to solve the above-mentioned problems and deficiencies of the prior art is the subject that the relevant industry is eager to develop.

The present invention provides an optical identification nozzle system, which can greatly reduce production cost and labor cost.

The invention provides an optical identification suction nozzle system for identifying circuit boards and adsorbing circuit boards. The optical identification suction nozzle system includes a plurality of suction nozzle structures, a CCD image capturing module and a control processor. Each suction nozzle structure includes a suction nozzle body and a light spot marking module. The light point marking module includes a power supply, a light source, a focusing module and a protective glass. The suction nozzle body has a suction duct, the light point marking module is arranged on the suction nozzle body, the power source is used for supplying power, the light-emitting light source is connected to the power source, and the light-emitting light source is used for emitting light. The focusing module is used to adjust the light to be parallel or diffuse. The focusing module is arranged between the light-emitting light source and the protective glass. The CCD image capturing module is used to take pictures of the circuit board. The control processor is connected to the suction nozzle structure and the CCD image capturing module. The light source of the light spot marking module emits light to the circuit board, and then the CCD image capturing module captures the image of the circuit board, and then the control processor automatically judges whether the multiple light spots on the circuit board are on the circuit board through the image. in a suitable location.

In an embodiment of the present invention, if the control processor determines that the light spot on the circuit board is in a proper position, the suction nozzle structure moves downward to perform suction action on the circuit board.

In an embodiment of the present invention, if the control processor determines that the light spot on the circuit board is not in a proper position, the suction nozzle structure is moved to a proper position according to the marking of the light spot.

In an embodiment of the present invention, after the light spot marking module emits light to the circuit board, whether the light spots on the circuit board are in proper positions can be identified through human eyes.

In an embodiment of the present invention, the suction nozzle structures are arranged in a matrix and parallel to the circuit board.

In an embodiment of the present invention, the suction nozzle structures are arranged at random with each other and parallel to the circuit board.

In an embodiment of the present invention, the light emitted by the light-emitting light source is a general strong light or a laser light source.

To sum up, the optical identification nozzle system of the present invention can achieve the following effects: 1. Can quickly determine whether the circuit board is in the proper position. 2. Can more efficiently and accurately locate and adsorb circuit boards to complete related operations. 3. It can save production costs and labor costs.

The following describes in detail with specific embodiments, when it is easier to understand the purpose, technical content, characteristics and effects of the present invention.

In order to solve the problem of aligning the position of the circuit board by manually moving the suction nozzle structure, the inventor has made many years of research and development to improve the criticism of the existing products. To achieve the most efficient functional demands.

Please refer to the first figure to the fourth figure, the first figure is a schematic diagram of the optical identification nozzle system of the present invention. The second figure is a schematic diagram of the light spot of the optical recognition nozzle system of the present invention irradiating the circuit board. The third figure is a schematic diagram of the nozzle structure of the optical identification nozzle system of the present invention. The fourth figure is a detailed schematic diagram of the nozzle structure of the optical identification nozzle system of the present invention. When the circuit board is in the process of operation, most of the suction devices use the suction nozzle assembly to suck the circuit board for movement by means of negative pressure extraction. However, the conventional suction device cannot automatically adjust according to the location of the circuit board. The suction nozzle assembly is in a better suction position, and the suction nozzle assembly cannot be automatically turned to change its working surface, so the working efficiency of the suction device in the process is often not as expected. Therefore, the embodiment of the present invention provides an optical recognition nozzle system that can effectively solve the above problems and can be adsorbed to a better position on the circuit board.

As shown in FIGS. 1-4 , the optical identification nozzle system 100 provided by the present invention is used for identifying the circuit board 140 and attracting the circuit board 140 , wherein each circuit board 140 is separated by a separator 150 . The optical identification nozzle system 100 includes a plurality of nozzle structures 110 , a CCD imaging module 120 and a control processor 130 . Each suction nozzle structure 110 includes a suction nozzle body 112 and a light spot marking module 114 . The optical marking module 114 is mainly used for emitting light to mark the circuit board 140 , so as to know whether the entire suction nozzle structure 110 is aligned with the circuit board 140 , which will be further described below.

As shown in FIG. 4 , the light spot marking module 114 includes a power source 1141 , a light source 1142 , a focusing module 1143 and a protective glass 1144 . The suction nozzle body 110 has a suction duct 1121 , the light point indicator module 114 is disposed on the suction nozzle body 112 , the power source 1141 is used to provide power, the light source 1142 is connected to the power source 1141 , and the light source 1142 is used to emit light LK. The focusing module 1143 is used to adjust the light LK to be emitted in parallel or diffusely. The focusing module 1143 is disposed between the light-emitting light source 1142 and the protective glass 1144 . The CCD image capturing module 120 is used for taking pictures of the circuit board LK. The control processor 130 is connected to the suction nozzle structure 110 and the CCD imaging module 120 . In the embodiment of the present invention, light LK is emitted to the circuit board 140 through the light-emitting light source 1142 of the light spot indicator module 114 , and then the circuit board 140 is imaged by the CCD imaging module 120 , and then the image is captured by the control processor 130 through the CCD The image of the circuit board 140 captured by the module 120 is used to automatically determine whether the plurality of light spots LD on the circuit board LK are in proper positions. In the embodiment of the present invention, the suction nozzle structures 110 are arranged in a matrix and parallel to the circuit board 140 . In another embodiment, the suction nozzle structures 110 are randomly arranged and parallel to the circuit board 140 . In addition, in the implementation of the present invention, the light LK emitted by the light-emitting light source 1142 is a general strong light or a laser light source.

If the control processor 130 determines that the light spot LD on the circuit board 140 is in a proper position, the suction nozzle structure 110 moves downward to perform suction action on the circuit board 140, wherein the suction nozzle body has an suction duct 1121, and the air flow will flow from It flows through the suction duct 1121 from bottom to top. If the control processor 130 judges that the light spot LD on the circuit board 140 is not in the proper position, then according to the mark of the light spot LD on the image and through the mechanism adjustment, the suction nozzle structure 110 is moved to the proper position, and then the CCD is further used. The imaging module 120 captures an image of the circuit board 140 , and then the control processor 130 automatically determines whether the plurality of light spots LD on the circuit board LK are in the circuit board 140 through the image of the circuit board 140 captured by the CCD imaging module 120 . in a suitable position until the position is suitable to avoid adsorption to the separator 150 .

That is to say, as can be seen from the above, the optical recognition nozzle system 100 of the embodiment of the present invention mainly aligns the circuit board 140 to be adsorbed through the light spot marking module and the CCD imaging module 120 to complete the nozzle structure 110 and the Alignment of the circuit board 140 to avoid many problems in the past.

In addition, in another embodiment, after the light spot indicator module 114 emits the light LK to the circuit board 140 , whether the plurality of light spots LD on the circuit board 140 are in proper positions can be identified by human eyes. If the light spot LD on the circuit board 140 is judged by human eyes to be at a proper position, the suction nozzle structure 110 moves downward to perform suction action on the circuit board 140 . If it is judged by human eyes that the light spot LD on the circuit board 140 is not in a proper position, the suction nozzle structure 110 will be manually moved to a proper position according to the indication of the light spot LD.

To sum up, the optical identification nozzle system of the present invention can achieve the following effects: 1. Can quickly determine whether the circuit board is in the proper position. 2. Can more efficiently and accurately locate and adsorb circuit boards to complete related operations. 3. It can save production costs and labor costs.

Only the above descriptions are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Therefore, all equivalent changes or modifications made in accordance with the features and spirits described in the scope of the application of the present invention shall be included in the scope of the application for patent of the present invention.

100: Optical recognition nozzle system 110: Nozzle structure 112: Nozzle body 1121: Inspiratory catheter 114: light point marking module 1141: Power 1142: Luminous light source 1143: Focus Module 1144: Protective glass 120:CCD camera module 130: Control Processor 140: circuit board 150: Separator LD: light spot LK: light

The first figure is a schematic diagram of the optical identification nozzle system of the present invention. The second figure is a schematic diagram of the light spot of the optical recognition nozzle system of the present invention irradiating the circuit board. The third figure is a schematic diagram of the nozzle structure of the optical identification nozzle system of the present invention. The fourth figure is a detailed schematic diagram of the nozzle structure of the optical identification nozzle system of the present invention.

100: Optical recognition nozzle system

110: Nozzle structure

120:CCD camera module

130: Control Processor

140: circuit board

150: Separator

Claims (7)

An optical identification nozzle system for identifying a circuit board and adsorbing the circuit board, the optical identification nozzle system comprising: A plurality of suction nozzle structures, wherein each of the suction nozzle structures includes: a suction nozzle body with a suction duct; and A light spot marking module is arranged on the nozzle body, and the light spot marking module includes: a power source for providing electricity; a light-emitting light source, connected to the power supply, the light-emitting light source is used for emitting light; a focusing module for adjusting the light to be emitted in parallel or diffusely; and a protective glass, wherein the focusing module is arranged between the light-emitting light source and the protective glass; a CCD image capturing module for taking pictures of the circuit board; and a control processor, connected to the suction nozzle structures and the CCD imaging module, The light-emitting light source passing through the light spot marking module emits light to the circuit board, and then the CCD imaging module captures the image of the circuit board, and then the control processor automatically judges the circuit board through the image. Whether the multiple light spots are in the proper position. The optical recognition suction nozzle system of claim 1, wherein if the control processor determines that the light spots on the circuit board are in proper positions, the suction nozzle structure moves down to perform suction action on the circuit board . The optical recognition nozzle system according to claim 1, wherein if the control processor determines that the light spots on the circuit board are not in proper positions, the nozzle structures are configured according to the marks of the light spots Move to a suitable location. The optical recognition nozzle system according to claim 1, wherein after the light spot marking module emits light to the circuit board, whether the light spots on the circuit board are in proper positions can be identified through human eyes. The optical identification suction nozzle system according to claim 1, wherein the suction nozzle structures are arranged in a matrix and parallel to the circuit board. The optical identification suction nozzle system according to claim 1, wherein the suction nozzle structures are arranged at random with each other and parallel to the circuit board. The optical identification nozzle system according to claim 1, wherein the light emitted by the light-emitting light source is a general strong light or a laser light source.

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