Quick connecting device for punch top and mandril of perforator
A technology of quick connection and head ejector, applied in the direction of metal rolling, manufacturing tools, mandrels, etc., can solve the problems that the thread of the plug cannot be aligned with the thread of the union, the large disassembly tool cannot be used, and it is difficult to rotate the plug. The effect of reducing the workload of workers, simplifying the steps of online head replacement, and reducing the labor intensity of workers
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[0012] Such as figure 2 , image 3 As shown, a quick connection device for the ejector rod of the punching machine includes: the ejector 1, the ejector 2, and the active joint 3 connecting the ejector and the ejector; the active joint 3 is composed of the ejector 3-1 and the ejector. It is composed of a live connection 3-2. One end of the plug live connection 3-1 has an external thread, and the other end is a guide cone with an annular groove on the outer wall, and the end with an external thread is connected to the plug 1; the plug live connection 3- 2 One end has an external thread, and the other end is a guide taper hole matching the guide cone, and a pin hole is provided in the transverse direction corresponding to the annular groove, and the end with an external thread is connected to the ejector rod 2; the plug The cone of the live joint 3-1 is matched with the guide taper hole of the mandrel joint 3-2, and the annular groove of the head joint 3-1 coincides with the pin hole...
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