Internal-rotation thinning spinning tool
A technology of thinning spinning and tools, which is applied in the field of mechanical processing tools, can solve the problems of limited processing allowance, decreased processing accuracy, and easy dents, etc., and achieves the effects of uniform force points, improved convenience, and simple structure
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[0013] The following descriptions are only preferred embodiments of the present invention, and do not limit the protection scope of the present invention. The present invention will be further described below with reference to the accompanying drawings and embodiments.
[0014] Example, see Figure 1 to Figure 4 Shown: an internal rotation thinning spinning tool, which includes an outer casing 10, an adjusting device 20, a core sleeve 30, a core rod 40, a retainer 50, a cone column 60 and a positioning round table 70; the outer casing 10 is through both ends The hollow structure of the core sleeve 30 is sleeved in the hollow part. There are two positioning round tables 70, one of which is fixedly arranged at the end of the core rod 40 and the other is movably arranged on the core rod 40. This structural arrangement can facilitate the adjustment of the distance between the two positioning round tables 70 in order to adjust the extrusion of the pipe. The pressure thinning margin m...
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