Turning working head of cutter gyration and lathe possessing the working head

Abstract

The invention relates to a turning working head with tool rotation, which includes a main shaft, a tool, a tool holder, a main transmission part, a tool feed transmission part, and a moving tool holder part: including a movable tool holder body, a tool holder, a spring, a movable knife The seat body is limited in the knife seat, and the knife holder can move radially along the movable knife holder body, and the position is limited on the movable knife holder body, and the spring is arranged on the knife holder; the axial feed mechanism: the middle part of an axial swing arm can On the rotary support tool seat, one end of the axial swing arm is in contact with the rear end of the driving cam, and the other end is connected with the movable tool seat body; a radial feed mechanism: the middle part of the radial swing arm is rotatably supported on the movable tool seat On the body, a groove matching the radial swing arm is provided on the drive shaft, one end of the radial swing arm is located in the corresponding groove, and the other end of the radial swing arm is in conflict with the outer end surface of the tool holder. And through the swing range of the axial swing arm and the radial swing arm, the axial feed and radial feed range of the tool holder are precisely controlled, and the structure is reasonable and compact.

Description

technical field [0001] The invention relates to a turning device, in particular to a turning working head capable of simultaneous axial and radial feeding and a turning tool and a lathe with the working head. Background technique [0002] For rod and shaft parts that need to be processed at both ends, such as processing operations such as outer circle turning, grooving, end face turning, chamfering, etc., the existing processing equipment, whether it is ordinary machine tools, instrument lathes, or CNC machine tools, can be used for processing rods and shafts. Shaft parts are often clamped at one end with the clamp on the front of the car and processed at the other end, then turn the part around, clamp the processed end with the clamp, and process the unprocessed end, that is, secondary clamping and secondary clamping are required respectively. It is labor-intensive and low production efficiency for the operator, and the secondary clamping also affects the machining accuracy...

AI Technical Summary

Problems solved by technology

When working, when the power gear rotates the rotatable frame, the feed gear set and the hanging wheel set are engaged by the center gear on the hollow shaft, that is, the form of NW planetary transmission drives the mother wire to rotate on the screw rod, thereby completing the axis of the rotatable frame. In the action of feeding, the tool feed gear set and the hanging wheel set drive the feed screw of the tool holder to rotate through the meshing of the central gear on the hollow shaft (there is no planetary action at this time) to complete the radial feed. During the cutting process, multiple gear sets are required to cooperate, and the structure of the gear set is relatively complicated and inconvenient to assemble. The whole mechanism is bulky, and there are many parts involved in the transmission process, so the structure is not very reasonable.

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