高密度集成电路引线框架上下料设备的抬升供料机构

Abstract

本实用新型涉及引线框架上下料设备技术领域，尤其涉及高密度集成电路引线框架上下料设备的抬升供料机构，包括有设置于支撑板旁侧的底座，底座上设置有可朝靠近或远离横移板的方向进行横向活动的活动座，活动座的活动方向与横移板的活动方向垂直，活动座设置有可进行上下活动的升降座；升降座上设置有可朝相互靠近或相互远离的方向进行横向活动的左活动杆和右活动杆，左活动杆和右活动杆的活动方向与活动座的活动方向垂直，左活动杆和右活动杆靠近弹夹限位框的端部上均装设有用于将成堆的引线框架托住的托料杆。通过对两个托料杆之间的间距进行调节，来适应不同尺寸的引线框架，以提高抬升供料的稳定性。

Claims

1. A lifting and feeding mechanism for a high-density integrated circuit lead frame loading and unloading device, comprising an adjustable receiving box assembly (2), a lifting assembly (4) disposed beside the adjustable receiving box assembly (2), and receiving clips (3) for loading stacked lead frames; the adjustable receiving box assembly (2) comprises a support plate (21) and a transverse plate (22) laterally movably disposed on the support plate (21), the transverse plate (22) being equipped with at least two sets of clip limiting frames (23), each set of clip limiting frames (23) being used to place a receiving clip (3) for stacking lead frames, characterized in that: The lifting assembly (4) includes a base (41) located next to the support plate (21). The base (41) is provided with a movable seat (42) that can move laterally toward or away from the transverse plate (22). The direction of movement of the movable seat (42) is perpendicular to the direction of movement of the transverse plate (22). The movable seat (42) is provided with a lifting seat (45) that can move up and down. The lifting seat (45) is provided with a left movable rod (49) and a right movable rod (410) that can move laterally toward or away from each other. The direction of movement of the left movable rod (49) and the right movable rod (410) is perpendicular to the direction of movement of the movable seat (42). The ends of the left movable rod (49) and the right movable rod (410) near the magazine limit frame (23) are each equipped with a material support rod (411) for supporting the stacked lead frame.

2. The lifting feed mechanism of the high-density integrated circuit lead frame strip feeding equipment according to claim 1, wherein: The receiving clip (3) includes a material carrying frame (31) and a bottom plate (32) located at the bottom of the material carrying frame (31). The inner side wall of the material carrying frame (31) and the top surface of the bottom plate (32) together form a placement chamber for placing a stack of lead wire frames. The side of the material carrying frame (31) near the lifting component (4) is formed with a frame opening (33).

3. The lifting feed mechanism of the high-density integrated circuit lead frame strip feeding equipment according to claim 2, characterized in that: The top surface of the base plate (32) is formed with a number of slots (34) for the horizontal insertion of the material support rod (411), and the slots (34) are arranged in an equidistant array along the length of the material carrying frame (31).

4. The lift feed mechanism of the high-density integrated circuit lead frame strip feeding apparatus according to claim 1, wherein: A first lead screw (43) is rotatably mounted on the base (41) with its length direction parallel to the movement direction of the movable seat (42). The first lead screw (43) is threadedly connected to the movable seat (42). The base (41) is also equipped with a first servo motor (44). The output shaft of the first servo motor (44) is connected to one end of the first lead screw (43) via a coupling.

5. The lift feed mechanism of the high-density integrated circuit lead frame strip feeding apparatus according to claim 1, wherein: A second lead screw (46) is rotatably mounted on the movable seat (42) with its length direction parallel to the movement direction of the lifting seat (45). The second lead screw (46) is threadedly connected to the lifting seat (45). A second servo motor (47) is mounted on the top of the movable seat (42). The output shaft of the second servo motor (47) is connected to the top of the second lead screw (46) through a transmission component (48).

6. The lift feed mechanism of the high-density integrated circuit lead frame strip feeding apparatus according to claim 1, wherein: The lifting seat (45) is equipped with an adjustment component for controlling the movement of the left movable lever (49) and the right movable lever (410) toward or away from each other.

7. The lift feed mechanism of the high-density integrated circuit lead frame strip feeding equipment according to claim 6, characterized in that: The adjusting component includes a sliding seat (412) that is laterally movable within the lifting seat (45). The direction of movement of the sliding seat (412) is parallel to the direction of movement of the movable seat (42). An adjusting block (413) is mounted on the sliding seat (412). The adjusting block (413) is formed with a left sliding groove (414) and a right sliding groove (415) that are both inclined. The left sliding groove (414) and the right sliding groove (415) are arranged in a figure-eight pattern. Rollers (416) are rotatably mounted on the left movable rod (49) and the right movable rod (410). The roller (416) on the left movable rod (49) is placed in the left sliding groove (414), and the roller (416) on the right movable rod (410) is placed in the right sliding groove (415).

8. The lifting feed mechanism of the high-density integrated circuit lead frame strip feeding equipment according to claim 7, characterized in that: The lifting seat (45) is rotatably provided with a third lead screw (417) whose length direction is consistent with the sliding direction of the sliding seat (412). The third lead screw (417) is threadedly connected to the sliding seat (412). The lifting seat (45) is equipped with a third servo motor (418) for driving the third lead screw (417) to rotate.

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