Ejector pin device for chip packaging
AssigneeChipmore Technology Corporation Limited
InventorChaochao Jin
Life of this patent
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Abstract
The present invention discloses an ejector pin device for chip packaging, which comprises a pin cylinder, a base and an ejector pin base module, wherein the pin cylinder sleeves the ejector pin base module, the base is located below the ejector pin base module and is configured to fix the ejector pin base module; and the ejector pin base module comprises a knob unit and a supporting unit. An effect of adjusting the knob unit can be acted on the corresponding supporting unit, so that the requirements of the numbers and positions of the ejector pins required by different products are satisfied and metal foreign matters are reduced, thereby improving the efficiency of replacing products by a worker.
Claims8
An ejector pin device for chip packaging, wherein the ejector pin device comprises a pin cylinder, a base and an ejector pin base module, the pin cylinder sleeves the ejector pin base module, the base is located below the ejector pin base module and is configured to fix the ejector pin base module;
- the ejector pin base module comprises three knob units and three supporting units;
- wherein the three supporting units are an outer supporting unit, a middle supporting unit and an inner supporting unit respectively;
- the three knob units are in one-to-one correspondence with the three supporting units, the three knob units comprising an outer knob, a middle knob and an inner knob respectively;
- and
- the outer supporting unit, the middle supporting unit and the inner supporting unit are nested with one another, a sliding groove is formed in a surface of each of the three supporting units, and adjacent supporting units move vertically through the sliding grooves under control of the three knob units;
- wherein dismountable ejector pins are disposed at a top of the three supporting units, the three knob units sleeve the three supporting units, and when each one of the three knob units is turned, a corresponding supporting unit of the three supporting units moves vertically;
- wherein vacuum holes and ejector pin holes corresponding to the dismountable ejector pins are formed in an upper surface of the pin cylinder.
Dependencies are inferred from the claim text.