Insert turning fixture and utilization method thereof

Abstract

The invention relates to a utilization method of an insert turning fixture. An insert is placed between a bottom plate at the bottom end and a bottom plate at the upper end. The bottom plate at the bottom end and the bottom plate at the upper end are fixed together through eight studs, and by adjustment of two bolts on respective four L-shaped clamping blocks on the bottom plate at the bottom endand the bottom plate at the upper end, end faces of the eight L-shaped clamping blocks are tightly attached to the outer peripheries of the upper end and the lower end of the insert. A main hook ropeof a crown block is connected with two lugs of the fixture bottom plate at the upper end, and the insert and the fixture are integrally lifted to an appropriate height; then an auxiliary hook rope ofthe crown block is connected with two lugs on the fixture bottom plate at the lower end; a main hook of the crown block slowly descends until the stress is continuously reduced to zero while stress ofan auxiliary hook of the crown block is continuously increased from zero to the total weight of the insert and the fixture, and accordingly 180-degree turning in air is realized. Scratching of ropesand the insert in turning is avoided, processing efficiency is improved, and product processing cost is reduced.

Description

technical field [0001] The invention relates to an insert turning tool and a use method, which are used for turning the insert 180 degrees due to the change of the station during the processing process. Background technique [0002] The company undertook the machining task of the insert, the insert is a thin-walled cylindrical structure, the diameter of the insert is 1350-1800mm, the height is 730-1020mm, and the weight is 900-3200kg. The insert is relatively large and heavy. , in the process of realizing insert machining, with the transformation of machining stations, it is necessary to turn the insert 180 degrees to a new station for processing. [0003] Before designing this insert turning tool, the method used is to pass the rope through the cylindrical inner hole of the insert and hang it on the hook of the crown block. While the insert is still in direct contact with the ground, gradually The insert is tilted, lifted, and turned 180 degrees to a new station. The defec...

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Problems solved by technology

[0003] Before designing this insert turning tool, the method used is to pass the rope through the cylindrical inner hole of the insert and hang it on the hook of the crown block. While the insert is still in direct contact with the ground, gradually Tilt, lift, and turn the insert 180 degrees to a new position. The defect of this flipping method is that the direct contact between the rope and the insert will cause mutual scratches between the insert and the rope, which poses a safety hazard.

Due to uneven stress during the turning process of the insert, this kind of thin-walled cylindrical insert with low self-rigidity is easily deformed and causes product quality problems, and additional shape adjustment has to be added to it, which not only prolongs the production process, And it will increase the cost of the product

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