Cold drawing mold for producing seamless steel tubes
A technology of seamless steel pipes and molds, applied in the direction of wire drawing dies, etc., can solve the problems of low economic utilization rate, poor versatility, fixed diameter and size of seamless steel pipes, etc., and achieves the effect of strong versatility and high economic utilization rate.
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[0013] The present invention will now be described in further detail with reference to the drawings. These drawings are all simplified schematic diagrams, which merely illustrate the basic structure of the present invention in a schematic manner, so they only show the structures related to the present invention.
[0014] Such as figure 1 As shown, the cold drawing die for producing seamless steel pipes has a cold drawing die sleeve 1 and a cold drawing core 2. The cold drawing die sleeve 1 is provided with a rectangular left cavity 1-1 and a dovetail communicating with it. Right chamber 1-2, the cold-drawn mold core 2 enters from the rectangular left chamber 1-1 and is clamped in the dovetail-shaped right chamber 1-2. The cold-drawn mold core 2 is provided with an isosceles trapezoidal left cavity Chamber 2-1 and the rectangular right chamber 2-2 connected with it, the cold drawing mold core 2 is fixed in the cold drawing mold sleeve 1 by a number of fastening bolts 3; the width...
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