Bending forming device for multiplanar tube

Abstract

The invention discloses a bending forming device for a multiplanar tube. the device is characterized in that a Y-direction operating and controlling die set and an X-direction operating and controlling die are arranged, wherein the X-direction operating and controlling die is used for operating and controlling a bending die to move along an Ox axis and rotate around an Oy axis; the Y-direction operating and controlling die set is used for operating the bending die to move along the Oy axis and rotating around the Ox shaft; the X-direction operating and controlling die set is fixed to the Y-direction operating and controlling die set; the bending die can randomly move and be correspondingly rotated and positioned in the xOy by movement composition. According to the device, the technical parameters are conveniently and simply set; the operability is improved; the axis of the bending die is vertical to the axis of a pipe blank during the bending process, so that the resistance is small, and as a result, the surface quality of a formed tube can be improved; in case that the bending die does not move, the rotating degree of freedom is in a locking state, and thus the bending die can be accurately positioned, and the bent pipe forming accuracy can be ensured.

Description

technical field [0001] The invention belongs to the field of plastic cold processing of metal pipes, and relates to a space pipe fitting bending forming device. Background technique [0002] In the existing literature, there is a bending forming mechanism for space-complex pipe fittings, and its structural principle is as follows: Figure 7 As shown, it is mainly composed of a pusher block 1, a fixed die 2 (connected to the frame), and an annular bending die 3. The tube blank traverses the fixed die and the bending die, and the bending die can move and rotate arbitrarily in the xOy plane to realize Bending in different directions, at the same time, the push block pushes the tube blank through the area between the bending die and the fixed die, and finally forms a space-complex pipe. Usually, the push block can also apply torque to the tube blank to change the bending plane during the forming process or to realize the barrier function. [0003] The control device is mainly u...

AI Technical Summary

Problems solved by technology

The device is flexible and can ensure that the plane of the bending die is perpendicular to the axis of the pipe, but it needs to control six degrees of freedom at the same time, making it difficult to decide the process parameters

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