ANNEALING AND DRAWING DEVICE FOR OXYGEN-FREE COPPER TUBE USED FOR MOBILE PHONE HEAT PIPE WITH LARGE DIAMETER-WALL THICKNESS RATIO
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United States of America Patent
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Issued Date -
Jan 21, 2021
app pub date -
Mar 13, 2020
filing date -
Jul 17, 2019
priority date (Note) -
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Abstract
An annealing and drawing device for an oxygen-free copper tube used for a mobile phone heat pipe with a large diameter-wall thickness ratio, a drawing die is installed in a box body. An annealing tube is installed between the drawing die and the box body; a fixing plate is disposed on a side of the drawing die; a supporting roller is rotatably connected to the fixing plate. A tension adjusting mechanism is disposed on a side of the supporting roller. An outer side of an end of the box body is provided with a mounting plate. A supporting frame is fixed on a side of an upper end of the mounting plate, a servo motor is fixed at an upper end of the supporting frame, and a rotating shaft is fixed at an end of an output shaft of the servo motor. The rotating shaft is in key joint with a winding wheel.
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