一种冲孔模具的冲孔机构

Abstract

本实用新型公开了一种冲孔模具的冲孔机构，涉及机械制造技术领域。本实用新型包括下压模和上压模；所述上压模的上表面上固定连接有模柄，所述模柄与外界冲床相连接，所述上压模的下表面固定连接有固定块，所述固定块的内部卡接设置有冲头，所述冲头的外壁两侧对称固定有楔形块，所述固定块的内部滑动设置有与冲头配合使用的快拆组件，所述快拆组件包括开设于固定块内部并与冲头和楔形块配合使用的楔形槽和竖直槽。本实用新型通过快拆组件与复位组件的具体部件之间的相互配合，使得冲头在磨损需要更换时，能够快速的进行拆卸与安装，无需额外工具，大幅提高冲头安装和拆卸时的效率，减少设备停机时间。

Claims

1. A piercing mechanism of a piercing die comprising a lower punch (1) and an upper punch (2); characterized in that, A die handle (3) is fixedly connected to the upper surface of the upper die (2). The die handle (3) is connected to an external punch press. A fixing block (4) is fixedly connected to the lower surface of the upper die (2). A punch (5) is snapped into the inside of the fixing block (4). Wedge blocks (6) are symmetrically fixed on both sides of the outer wall of the punch (5). A quick-release assembly that works with the punch (5) is slidably arranged inside the fixing block (4).

2. A piercing mechanism for a piercing die according to claim 1, wherein The quick-release assembly includes a wedge groove (8) and a vertical groove (9) formed inside the fixing block (4) and used in conjunction with the punch (5) and the wedge block (6). Two limiting blocks (7) are slidably arranged at the bottom of the fixing block (4) to cooperate with the wedge block (6). A reset component is provided inside the two limiting blocks (7). A limiting component is slidably arranged on the outer wall of the fixing block (4) to cooperate with the punch (5).

3. A piercing mechanism for a piercing die according to claim 2, wherein The reset assembly includes a groove (11) formed on the upper surface of the limiting block (7), a slider (12) that slides inside the groove (11) is fixedly connected to the bottom of the fixing block (4), a reset assembly one (13) is fixedly connected to one side of the inner wall of the groove (11), and the other end of the reset assembly one (13) is fixedly connected to one side of the outer wall of the slider (12).

4. A piercing mechanism of a piercing mill as claimed in claim 2 wherein, The limiting component includes a movable groove (17) formed on one side of the outer wall of the fixed block (4) and the punch (5). Two semi-circular rings (16) are symmetrically fixed inside the movable groove (17) formed on one side of the outer wall of the punch (5). A limiting rod (10) is slidably connected to the outer wall of the fixed block (4). Two protrusions (21) are symmetrically fixed to the outer wall of the limiting rod (10). A slot (18) for cooperating with the protrusion (21) is formed on one side of the two semi-circular rings (16). An annular piece (20) for cooperating with the limiting rod (10) is slidably arranged inside the movable groove (17) formed on one side of the outer wall of the punch (5).

5. A piercing mechanism for a piercing die according to claim 4, wherein One side of the annular plate (20) is fixedly connected to a second reset component (19), and the other end of the second reset component (19) is fixedly connected to the bottom of the movable groove (17) opened on the punch (5).

6. A piercing mechanism for a piercing die according to claim 3, wherein The reset assembly one (13) and reset assembly two (19) specifically refer to springs. The inner wall of the vertical groove (9) is fixedly connected to a guide rod (14). The upper surface of the punch (5) is provided with a guide groove (15) for use with the guide rod (14).

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