TWI662250B - System and method for marking defective items in multiple passive elements on a carrier - Google Patents

Abstract

The invention is a system for marking defective products among a plurality of passive components on a carrier and a method thereof. The system includes: a conveying unit, an image capturing unit, an identification unit, a marking unit, and a component detaching unit. The passive components are transferred to the first and second working positions; the image capture unit captures the pre-marked image or the post-marked image of the passive component; the identification unit establishes the defective position marking information according to the defective component distribution status of the passive component; Marking is performed on each defective product at the first working position according to the defective product position marking information of the identification unit.

Description

System and method for marking defective items in multiple passive elements on a carrier

The invention relates to a system and a method for marking defective products among a plurality of passive components on a carrier, and in particular, it relates to the application of image recognition technology to analyze a defective product detection chart detected by a defective product detection device, and then perform corresponding passive components. System and method for visual marking of entities.

At present, most batch-type, miniaturized electronic component inspection defect detection schemes are mostly manual, using a visual inspection machine to view the defect inspection map information output by the inspection machine, and will reduce the amount of miniaturization on the corresponding carrier. It is difficult to improve the rejection efficiency and rejection accuracy of the electronic components at the defective position of the electronic components.

However, unless the defect inspection program is designed in conjunction with the defect inspection program when the defect inspection machine is purchased, if the defect inspection is automated in combination with the existing defect inspection machine, the defect will be caused by the defect. The inspection specifications of the inspection machine are different, and it is difficult to automate the inspection results of the inspection machine to the subsequent defect rejection operation.

The main purpose of the present invention is to apply image processing technology to read and analyze the defect detection map information of a defect detection machine, and mark the defective product coordinates on the passive component on the corresponding carrier, so that a component can be detached from the unit in accordance with the mark. The location separates its passive component defect from the carrier.

In order to achieve the above object, the technical means adopted by the present invention is to provide a system for marking defective products among a plurality of passive components on a carrier. The defective component distribution status information of the passive components is detected in advance by a defect detection device. Information of a defect detection map, which includes: a conveying unit for moving a carrier and the passive components containing defective products carried on the carrier to a first work position or to a second work position; An image capturing unit for capturing a pre-marked image covering the passive components before moving into the first working position, or capturing a post-marking image covering the passive components after moving out of the first working position An identification unit that analyzes the defective product distribution status information of the passive components of the defect detection map information, and marks each defective product on the defect detection map information to obtain a defective location marking information; a marking unit For marking the defective parts corresponding to the passive component entities in the first working position according to the position information of the defective parts. Shows mark.

In one embodiment, it further includes a component detaching unit, including an automatic rejection mechanism moved by the three-dimensional space moving mechanism, for automatically removing the marked passive components at the second working position according to each marking mark. The carrier.

It also includes: an automatic visual inspection machine for separating each passive component marked with a mark position from the non-defective passive component.

In one embodiment, the identification unit uses optical identification technology to read and analyze the defect detection map information, and then establish the coordinate reference point and each coordinate position.

In one embodiment, the carrier is a tape carrier, and the passive components are micro-shaped, high-density matrix or irregularly attached to the tape carrier.

In one embodiment, the marking mark of the marking unit is applied with a printer inkjet technology, a laser marking technology, or a mark pen.

In an embodiment, the first working position and the second working position are located in front of, behind or on the same conveyor belt, or belong to different conveyor belts.

Another object of the present invention is to use imaging processing technology to read and analyze defect detection map information of a defect detection machine after detecting good products of a plurality of passive components on a carrier, and to passively pass the corresponding carrier on the corresponding carrier. The component is marked with the defective product coordinates, and then the passive component defective product is separated from the carrier according to the marked position.

In order to achieve the above method, the present invention provides a method for marking defective products among a plurality of passive components on a carrier, including: providing a defect detection map information: the defect detection map information includes a plurality of passive components carried on a carrier. -Information on the distribution status of each defective product; Calculate the defect detection chart mark information: identify the defect detection map information, and mark each defective product on the defect detection map information to obtain a defective position mark information; calculate passive components Coordinates of the defective product: capture a pre-marked image of the carrier and its passive components placed on a transport unit, compare the position information of the defective product with the pre-marked image, and determine the pre-marked image accordingly Defective coordinate information in the mark; mark passive component defective products: transport the carrier to a marking unit with the transport unit, mark each defective product on the carrier according to the coordinate information of the defective product; check the correctness of the carrier's marking : Capture a labeled image of the carrier and the passive components carried on the transport unit, and compare the FIG detecting mark after image information and the tag, a passive tag is properly determined as defective elements.

In one embodiment, the method further includes the following steps: removing each defective product on the carrier: applying a rejection device that moves by a three-dimensional moving mechanism, and removing the passive components marked on the carrier from the carrier. .

In another embodiment, the method further includes the following steps: removing each defective product: using an automatic visual inspection machine to detect the marking mark of the passive component, and using a blowing device to pass the non-defective passive component to the passive component. Separation.

In one embodiment, capturing the pre-labeled image and the post-labeled image with the carrier and the passive component carried by the carrier are the same image capturing unit.

In one embodiment, the step of identifying the defect detection map information is to read and analyze the defect detection map information by using an optical identification technology, and then establish a coordinate datum point and information of each coordinate position corresponding to the coordinate datum point.

In one embodiment, the coordinate reference point is located on the carrier or the passive components.

The present invention is characterized in that: the present invention can identify the defect detection map information (including at least one defective product among multiple passive components on the batch of carriers relative to the carrier) output by the passive component defect machine inspection machine after detection. Coordinate position), the present invention can continue to automatically analyze the graphical inspection information of the passive component defect detection machine without replacing the passive component defect detection machine, and the defective product on the carrier can be analyzed. Marking to facilitate the subsequent removal of defective products; In addition, after the passive component entity carried on the carrier is marked with its defective product and before the passive component entity is actually removed, it is checked for the correctness of the marking of the carrier. To avoid the situation of false rejection in the subsequent physical rejection of passive components.

The following is a detailed description of this creative embodiment in conjunction with the drawings. The drawings are simplified schematic diagrams, which illustrate the basic structure of the creative only in a schematic way. Therefore, only the components related to the creative are marked in these drawings. Moreover, the displayed components are not drawn according to the number, shape, size ratio, etc. of the implementation, and the actual implementation specifications are an optional design, and the component layout may be more complicated.

Please refer to FIG. 1 first. The system 1 for marking defective products among a plurality of passive components on the carrier of the present embodiment is a defect detection map information for detecting the distribution status information of the defective products D of the passive components P by a defective product detection device 10 in advance. A. The system 1 for marking defective products among a plurality of passive components on the carrier includes: a conveying unit 11, an image capturing unit 12, an identifying unit 13, a marking unit 14 and a component disengaging unit 15; a conveying The unit 11 is generally a conveyor platform for transferring a carrier C and the passive components P containing the defective product D carried on the carrier C to a first work position L1 or to a second work position L2 (specifically, the first working position L1 and the second working position L2 will be on the conveying path of the conveying unit 11); the image capturing unit 12, generally a CCD or CMOS lens, is used for capturing Taking a pre-marked image M1 covering the passive components P before moving into the first working position L1, or capturing a post-marking image M2 covering the passive components after moving out of the first working position; identification unit 13, Analyze the defect detection chart Information of the defective product distribution status information of the passive components of A, and the position of each defective product D is marked on the defect detection map information A to obtain a defective position marking information A '; a marking unit 14 for According to the defective product position marking information A ′, a visible mark is marked on the first working position L1 corresponding to each defective product D of the passive component entities.

In an embodiment, in order to remove the marked passive component defects, a component disengaging unit 15 may be further included, including an automatic rejection mechanism 152 moved by the three-dimensional space moving mechanism 151 for use in the second working position L2. The marked passive components P are automatically removed according to each marking mark, so as to be separated from the carrier C. In detail, after the marking of the defective passive component D by the marking unit 14 is completed, the marked separation can be performed on the same conveying unit 11 by the component separation unit 15 (including the three-dimensional space moving mechanism 151 and the automatic rejection mechanism 152). These passive components are separated from the carrier C. In practice, the component detachment unit 15 can apply Taiwan Patent Bulletin No. M552102 "Removal System for Defective Products of Passive Component Batch Inspection".

In an embodiment, in order to eliminate the marked defective passive component D, it may further include: an automatic visual inspection machine 153 for identifying each passive component P marked with a mark position, and an air blowing device 154 for non-defective Separated passive components. In detail, after the marking of the passive component defective product D completed by the marking unit 14, all passive components including defective and non-defective products can be stripped from the carrier C, and then the passive components are made by a conveying device. Pass the component disengagement unit 15 '(including the automatic visual inspection machine 153 and the blowing device 154), the passive component with a marked mark is detected by the automatic visual inspection machine 153, and the passive component without the marked is passed by the blowing device 154 Separation.

In an embodiment, the identification unit 13 uses optical identification technology to read and analyze the defect detection map information A, and then establishes the coordinate reference point B and each coordinate position (that is, the relative position of the defective product D) on the carrier C. At the coordinate position of the coordinate reference point B).

In practice, in one embodiment, the carrier C described above may be a tape carrier, and the passive elements P are micro-shaped, high-density matrix or irregularly attached to the tape carrier.

In addition, in an embodiment, the marking mark of the marking unit 14 is a non-contact mark using inkjet printing technology, laser marking technology, or a contact mark using a microphone pen mark, or other marks that can be marked with a mark. You can do it all.

In an embodiment, the system 1 for marking defective products among a plurality of passive components on the carrier further includes a defective product detection device 10 for performing defects on the carrier C and the plurality of passive components P carried by the carrier C. Product inspection, and output the defect inspection chart information A.

It is worth mentioning that the above-mentioned first working position L1 and the second working position L2 may be located in front of, behind the same conveyor belt, or on different conveyor belts.

Please refer to FIG. 2 again, the method for marking defective products in a plurality of passive components on a carrier according to this embodiment includes the following steps:

Providing a defect detection map information (step S10), the defect detection map information includes information on each defective product distribution state of a plurality of passive components carried on a carrier;

Calculate the defect detection map mark information (step S20): identify the defect detection map information, and mark each defective product on the defect detection map information to obtain a defective product location mark information;

Calculate the coordinates of the defective part of the passive component (step S30): capture a pre-marked image of the carrier and the passive component carried on a transport unit, compare the position information of the defective part with the pre-marked image, and According to this, the coordinate information of the defective product in the image before the marking is determined;

Marking defective products of passive components (step S40): transport the carrier to a marking unit by the transport unit, and mark each defective product on the carrier according to the coordinate information of the defective product;

Checking the correctness of the marking of the carrier (step S50): taking a marked image of the carrier and the passive component carried on the conveying unit, comparing the marked information of the defect detection map with the marked image to determine that Correctly mark defective passive components.

Removal of each defective product is shown in FIG. 2. In one embodiment, under the above embodiment, the step of eliminating each defective product is further included, further including: removing each defective product on the carrier (step S60A): applying a loan The rejection device which is moved by the three-dimensional moving mechanism removes the passive components marked on the carrier from the carrier.

As shown in FIG. 2, in one embodiment, another step of removing each defective product further includes the next step: removing each defective product (step S60B): applying an automatic visual inspection machine to detect the passive component that has passed. Mark, and separated from non-defective passive components by a blower.

In one embodiment, the step of identifying the defect detection map information (step S20) is to read and analyze the defect detection map information by using optical recognition technology, and then establish the coordinate datum point and the information of each coordinate position.

The above-mentioned implementation manners or embodiments of the technical means adopted by the present invention are not intended to limit the scope of this creative implementation. That is to say, all changes and modifications that are consistent with the scope of the scope of the creative application, or are made according to the scope of the creative patent, are covered by the scope of the creative patent.

1‧‧‧ system for marking defectives in multiple passive components on a carrier

10‧‧‧ Defective Product Inspection Equipment

11‧‧‧Conveying unit

12‧‧‧Image capture unit

13‧‧‧Identification unit

14‧‧‧Marking Unit

141‧‧‧Inkjet printer

15,15’‧‧‧component release unit

151‧‧‧Three-dimensional space movement mechanism

152‧‧‧Automatic rejection mechanism

153‧‧‧Automatic visual inspection machine

154‧‧‧Blowing device

A‧‧‧Defect inspection chart information

A’‧‧‧ Defective Location Marking Information

B‧‧‧ coordinate datum point

C‧‧‧ carrier

D‧‧‧ Defective

L1‧‧‧First working position

L2‧‧‧Second working position

M1‧‧‧ before image

M2‧‧‧Marked image

P‧‧‧Passive component

Steps S10-S50: Method steps for marking defective items in a plurality of passive components on a carrier

Step S60A‧‧‧ Step of removing each defective product on the carrier

Step S60B‧‧‧Removal of each defective product

[FIG. 1] A schematic block diagram of a system of a defective product among a plurality of passive components on a marking carrier according to the present invention; [FIG. 2] A method of a defective product among a plurality of passive components on a marking carrier according to the present invention Steps flowchart.

Claims (14)

A system for marking defective products among a plurality of passive components on a carrier is based on a defect detection map information of a defective product distribution status information of the passive components detected in advance by a defective product detection device, and then a plurality of passive components on the carrier are marked. A system of defective products in passive components, comprising: a transport unit for transferring a carrier and the passive components containing defective products carried on the carrier to a first work position or to a second work Position; an image capture unit for capturing a pre-mark image covering the passive components before moving into the first working position, and capturing a mark covering the passive components after moving out of the first working position Rear image; an identification unit that analyzes the defect status information of the passive components of the defect detection map information, and marks the position of each defective product on the defect detection map information to obtain a defective location mark information And a marking unit for marking information corresponding to the position of the defective product at the first working position corresponding to each of the passive component entities Mark on the product label stuck. The system for marking defective products among a plurality of passive components on a carrier as described in item 1 of the scope of the patent application, further includes: a component release unit including an automatic rejection device moved by a three-dimensional space moving mechanism for In the second working position, the marked passive components are automatically removed from the carrier according to each marking mark. The system for marking defective products among a plurality of passive components on a carrier as described in item 1 of the scope of patent application, further comprising: an automatic visual inspection machine for identifying each passive component of the marking mark, and then an air blowing device Separated from non-defective passive components. The system for marking defective products in a plurality of passive components on a carrier as described in the first item of the patent application scope, wherein the identification unit reads and analyzes the information of the defect detection map by using optical identification technology, and then establishes the reference point of the coordinates And each coordinate position. The system for marking defective products among a plurality of passive components on a carrier as described in item 1 of the scope of patent application, wherein the carrier is a tape carrier, and the passive components are matrix-shaped or irregular in a miniaturized, high-density form. Attached to the tape carrier. The system for marking defective products among a plurality of passive components on a carrier as described in item 1 of the scope of patent application, wherein the marking mark of the marking unit is applied with a printer printing technology or a laser marking technology. The system for marking defective products among a plurality of passive elements on a carrier as described in the first item of the patent application scope, wherein a marking mark of the marking unit is marked with a microphone pen. The system for marking defective products among a plurality of passive components on a carrier as described in claim 1 of the patent application scope, wherein the first working position and the second working position are located in front of, behind, or separately from the same conveyor belt conveyor. A method for marking defective products among a plurality of passive components on a carrier, the steps include: providing a defect detection map information: the defect detection map information includes a distribution of each defective product of a plurality of passive components carried on a carrier Status information; calculation of defect detection chart mark information: identifying the defect detection chart information, and marking each defective product on the defect detection chart information to obtain a position information of the defective product; calculating the coordinates of the passive component defect product: extract Take a pre-marked image of the carrier and the passive component carried on a transport unit, compare the positional marking information of the defective product with the pre-marked image, and determine the coordinate information of the defective product in the pre-marked image based on the information. ; Mark the defective component of the passive component: use the conveying unit to transport the carrier to a marking unit, and mark each defective product on the carrier based on the coordinate information of the defective product; and check the correctness of the marking of the carrier: A labeled image of the carrier and the passive component carried on the conveying unit is compared with the marked information of the defect detection map After the label image, it is determined that the passive element is properly marked as defective. The method for marking defective products in a plurality of passive components on a carrier as described in item 9 of the scope of patent application, further includes the next step: removing each defective product on the carrier: applying a rejection device that moves by a three-dimensional moving mechanism Remove all passive components marked on the carrier from the carrier. The method for marking defective products among multiple passive components on a carrier as described in the patent application item 9 further includes the next step: removing each defective product: applying an automatic visual inspection machine to detect the marking of the passive component Mark, and separated from non-defective passive components by a blowing device. The method for marking defective products in multiple passive components on a carrier as described in item 9 of the scope of the patent application, wherein the pre-labeled image and the post-labeled image are captured with the carrier and the passive component carried by the carrier as the same image capture unit. The method for marking defective items in a plurality of passive components on a carrier as described in claim 9 of the scope of patent application, wherein the step of identifying the defect detection map information step is to read and analyze the defect detection map information by using optical identification technology, and then Create a datum datum point and the information of each coordinate position corresponding to the datum datum point. The method for marking defective products among a plurality of passive elements on a carrier as described in claim 13 of the patent application scope, wherein the coordinate reference point is located on the carrier or the passive elements.