Horizontal gravity casting hub dedicated riser cutting machine

Abstract

A horizontal gravity casting hub dedicated riser cutting machine comprises a fixture part, a large cutter main shaft part and a small cutter main shaft part. The horizontal gravity casting hub dedicated riser cutting machine is characterized in that the large cutter main shaft part and the small cutter main shaft part are arranged horizontally in a machine tool, the fixture part is provided with a hub, the fixture part clamps and swings or rotates the hub on the fixture part, and cutters on the large cutter main shaft part and cutters on the small cutter main shaft part respectively cut the hub according to setting. According to the horizontal gravity casting hub dedicated riser cutting machine, the double shafts adopts the design of large knives and small knives, the small knives machine hub central risers, and the large knives machine hub excircle risers. A machine tool fixture has the rotating function. The fixture rotates 40 degrees at machining time, and the fixture is made to rotate outward, so that an operator can detach the hub conveniently. The machine tool fixture rotates slowly at machining time, and is small in inertia to hub excircle risers. Moreover, a riser ring is incapable of flying out to damage the operator due to inertia when the riser ring is cut off. The defects of machine tools of other forms are eliminated.

Description

technical field [0001] The invention is a device for removing the pouring riser of the wheel hub of the automobile and motorcycle formed by gravity casting, and can be widely used in the processing of the wheel hub using the gravity casting machine. Background technique [0002] In wheel hub blank forming technology, gravity casting machine forming is welcomed by customers because of the low price of gravity casting machine. The center riser for feeding the product in the mold and the outer circle riser of the rim will be left on the hub blank cast by the gravity casting machine, which need to be cut off before finishing. The special riser cutting machine for gravity casting wheels has the form of vertical and lathe transformation. The vertical riser cutting machine is composed of two knives perpendicular to the mounting surface of the hub fixture 19 such as figure 1 The shown knives 17, 18 are composed. This arrangement has high processing efficiency and convenient opera...

AI Technical Summary

Problems solved by technology

However, because the tool is placed upside down, the tool protection cover is not easy to install. After the machine tool cuts a wheel hub, when the operator opens the door and reaches into the machine tool to carry the processed wheel hub, the tool is still rotating at high speed, which is prone to the danger of cutting hands.

For the riser cutting machine remanufactured from a lathe, the hub of the main shaft rotates at high speed after the hub is clamped. When the tool cuts off the riser, the riser will fly out under the action of inertia. If the safety door of the machine tool is open when the hub flies out, The riser may injure the operator

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