Cropping locating jig capable of preventing cropping pollution, and dust exhaust structure and method thereof

Abstract

A cropping locating jig capable of preventing cropping pollution, and a dust exhaust structure and method thereof are disclosed. The dust exhaust structure comprises: a cropping locating jig having a mounting groove formed in a front face thereof, a communicating groove formed in a back face thereof, and a plurality of air exhaust holes formed therein to communicate the mounting groove with the communicating groove, with the mounting groove being suitable for mounting a PCB panel, and an air suction device having a plurality of air suction holes and facing the bottom of the jig to allow at least one of the air suction holes to communicate with the communicating groove, wherein when the PCB panel is cropped, polluting dust generated is suited to reach the communicating groove via the air exhaust holes and further be sucked out via the air suction holes from the communicating groove.

Description

technical field [0001] The invention relates to a cutting and positioning fixture, a dust discharge structure and a method, in particular to a fixture, a dust discharge structure and a method that can fully discharge the dust generated during laser cutting. Background technique [0002] With the rapid development of science and technology, people have higher and higher requirements for electronic products, which makes the current electronic products embark on the road of lightness, thinness and miniature. The weight and size of mobile phone products have become one of the important buying points of terminal products, and the requirements for mobile phone camera modules also tend to be small in size and high in pixels. With the change of market demand, the process of producing camera modules has gradually transformed from the traditional Chip Scale Package (CSP) to Chip on Board (COB). The COB packaging method is to adhere the bare chip to the substrate with conductive or no...

AI Technical Summary

Problems solved by technology

The jig 6 is usually corresponding to the specific imposition. When processing the imposition of different models and sizes, different jigs 6 are used, and the rows of different jigs 6 The number and relative positions of the air holes 61 are different, which causes the general-purpose suction platform 21 to be unable to effectively match each type of jig 6

When the exhaust holes 61 of the jig 6 and the air suction holes 210 of the air suction platform 21 cannot be in one-to-one correspondence, In the situation shown in Figure 1, some of the exhaust holes 61 are not in communication with the suction holes 210, and the airflow Can not be discharged from this part of the exhaust hole, resulting in poor dust removal effect of the jig 6

[0009]In short, the existing jig has the following problems: First, it is difficult to correspond one-to-one between the suction holes of the suction platform and the exhaust holes of the jig. As a result, a large amount of dust generated during laser ablation of nodes accumulates at the nodes due to unsmooth exhaust and untimely heat dissipation, resulting in chip contamination

[0010]Second, since a laser cutting machine is usually equipped with only one suction platform, and due to the different product models, the shapes of the jigs are different, so it can be used as a jig When it is installed on the suction platform, there is no guarantee that the exhaust holes of each fixture can correspond to the suction holes of the suction platform, resulting in the fact that the versatility of the suction platform cannot be effectively matched with the uniqueness of the fixture

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