Internal cooling key pulling tool
An internal cooling broaching tool relates to the technical field of broaching of internal flat keys of parts and comprises a connecting sleeve, a mandrel and two water inlet pipes, the front end of the mandrel is inserted into the connecting sleeve, and an upper broaching groove and a lower broachi...
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Main Authors | , , , , , |
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Format | Patent |
Language | Chinese English |
Published |
05.08.2022
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Subjects | |
Online Access | Get full text |
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Summary: | An internal cooling broaching tool relates to the technical field of broaching of internal flat keys of parts and comprises a connecting sleeve, a mandrel and two water inlet pipes, the front end of the mandrel is inserted into the connecting sleeve, and an upper broaching groove and a lower broaching groove are formed in the inner wall of the connecting sleeve and the outer wall of the mandrel respectively; two longitudinal channels in the axial direction of the core shaft are symmetrically formed in the positions, close to the two groove walls of the pull-down groove, in the core shaft, two chamfered inclined planes are symmetrically arranged at the top ends of the two groove walls of the pull-down groove, and a plurality of water outlet holes are formed in the chamfered inclined planes in the axial direction of the core shaft; two radial through holes penetrating to the inner wall of the connecting sleeve are symmetrically formed in the positions, corresponding to the two sides of the pull-down groove, of |
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Bibliography: | Application Number: CN202221428487U |