Stainless steel pipe hydraulic wave expansion die and equipment
A stainless steel pipe and hydraulic technology, applied in the field of stainless steel pipe hydraulic expansion molds and equipment, can solve problems such as being unfavorable for large-scale and multi-variety processing, difficult to store due to the large number of molds, and unable to achieve continuous processing, and to reduce labor. Strength, improve the processing qualification rate, easy to replace the effect
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[0022] The present invention will be further described below in conjunction with the drawings:
[0023] Such as figure 2 As shown, the stainless steel tube hydraulic expansion mold includes a connecting rod 1, one end of the connecting rod 1 is a stepped shaft structure, and the small diameter end of the end of the connecting rod 1 is sequentially sleeved with a lock nut 2 and a first The stopper 3, the elastic ball 4 and the second stopper 5, the outer diameter of the large-diameter end of the connecting rod 1 is not greater than the outer diameter of the second stopper 5, the first stopper 3, the expansion ball 4 and the second stopper There is a clearance fit between the block 5 and the connecting rod 1, the lock nut 2 is connected with the connecting rod 1 through a thread, the first stop 3 is sleeved with a wave expansion mold 6, and the second stop 5 is sleeved with a top rod sleeve. 7. Between the expansion mold 6 and the first stop block 3, and between the top rod sleeve...
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