A forming device and method for complex inner and outer wall cylindrical parts
A wall cylinder and complex technology, which is applied in the field of devices for forming parts with complex shapes on the inner and outer walls of the cylinder, can solve problems such as affecting production efficiency and difficulty in demoulding, and achieve the effects of convenient demoulding process, less loss of raw materials, and good streamline shape.
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[0035] The formed part is a cylindrical part with spiral ribs on the inner and outer walls, such as Image 6 shown. select as figure 2 The cylindrical piece shown is used as the forming blank; the shape of the outer wall of the cylindrical piece is formed by a four-petal die with a spiral shape inside, and the shape of the four-petal die is as follows Figure 7 As shown; the shape of the inner wall of the cylindrical part is formed by selecting the inner and outer valve molds with a spiral shape outside, and the shape of the inner and outer valve molds is as follows Figure 8 shown.
[0036] Step 1, the multi-lobe die set on the die fixing plate realizes synchronous mold clamping movement under the control of the die drive cylinder; the inner mandrel moves vertically upwards through the drive of the inner mandrel ejection cylinder until the inner mandrel The ejector cylinder is in contact with the inner cavity surfaces of the four inner valve molds, and by utilizing the co...
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