Internal heating and pressurizing pipe distortion rectification device and method
A technology of internal heating and pressurized tubes, which is applied in the direction of metal processing equipment, forming tools, manufacturing tools, etc., can solve the problems of easily changing mold shape and size, achieve the effects of improving forming performance, avoiding environmental pollution, and reducing production costs
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Example Embodiment
[0020] Specific implementation mode 1: Combination figure 1 To explain this embodiment, a pipe shaping device using internal heating and pressure in this embodiment includes a booster cylinder 17 and a pressure tube 18. The pipe shaping device also includes an upper slider 1, an upper mold base 2, The mold insert 3, the lower mold base 4, the heating source 6, the support block 8 and the lower table 9, the lower table 9 is set horizontally on the ground, the upper slider 1, the upper mold base 2 and the lower mold base 4 are in order from top to bottom Set on the lower table 9, the mold insert 3 is inlaid between the upper mold base 2 and the lower mold base 4, the support block 8 is set on the lower table 9 in the mold insert 3, and the heating source 6 is set on the support block 8, And the connecting end of the heating source 6 and the outside is sealed and arranged on the support block 8. The upper mold base 2 is provided with a vent hole 5 communicating with the inner cavit...
Example Embodiment
[0021] Specific implementation manner two: combination Image 6 The present embodiment will be described. The heating source 6 of the present embodiment is an induction coil 10 wound spirally. With this arrangement, the tube blank 7 is heated by induction heating, and the heating speed is fast. By adjusting the shape, size and position of the induction coil 10, local temperature control of the tube can be achieved. The other components and connection relationships are the same as in the first embodiment.
Example Embodiment
[0022] Specific implementation mode three: combination Figure 7 To describe this embodiment, the heating source 6 of this embodiment includes an induction coil 10 and a solid core rod 11, the induction coil 10 is spirally wound on the solid core rod 11, and the solid core rod 11 is arranged on the support block 8. With this arrangement, the heated solid core rod 11 heats the tube blank 7 by means of radiation. The heating speed is faster than only the induction coil 10 for heating, and the tube blank temperature is more stable. Other components and connection relationships are the same as those in the first or second embodiment.
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