Universal clamp for drilling crankshaft oil hole by vertical type machining center

Abstract

The invention discloses a universal clamp for drilling a crankshaft oil hole by a vertical type machining center. The universal clamp comprises a turntable and a fixed seat, wherein at least two T-shaped slots are formed in the turntable in parallel; the fixed seat is mounted on the turntable through the T-shaped slots; the fixed seat comprises a left side V-shaped supporting seat, a locating hookfixing seat, a radial locating seat, an axial locating seat and a right side V-shaped supporting seat; a hydraulic oil cylinder is arranged inside the fixed seat; the hydraulic oil cylinder is connected with oil cylinder screw piles; and the oil cylinder screw piles are connected with a high-pressure oil pipe. The universal clamp can clamp crankshafts in different sizes and different lengths, andhas the advantages of high universality, low manufacturing cost, compact structure, improvement of the production efficiency and the like.

Description

technical field [0001] The invention belongs to the technical field of mechanical devices and transportation, and in particular relates to a general fixture for drilling crankshaft oil holes of a vertical machining center. Background technique [0002] At present, there are mainly three ways to process the crankshaft hole in the domestic crankshaft production line. One is to process the crankshaft hole through the radial drilling machine combined with special tooling. Each type of crankshaft requires a special tooling for the support, so the production efficiency is low and the labor intensity of the operator is relatively high. [0003] Another method is to use simple special equipment for processing. Similar to the above method, this processing method also has the disadvantage of poor versatility; and the processing accuracy of the product is low, and it is difficult to replace the crankshaft type. [0004] Another method is to use a five-axis horizontal machining center ...

AI Technical Summary

Problems solved by technology

[0002] At present, there are mainly three ways to process the crankshaft hole in the domestic crankshaft production line. One is to process the crankshaft hole through the radial drilling machine combined with special tooling. Each type of crankshaft requires a special tooling for the support, so the production efficiency is low and the labor intensity of the operator is relatively high

[0003] Another way is to use simple special equipment for processing. Similar to the above method, this processing method also has the disadvantage of poor versatility; and the processing accuracy of the product is low, and it is difficult to replace the crankshaft variety.

[0004] Another method is to use a five-axis horizontal machining center for processing, but the disadvantage of this method is that the investment in equipment is large, and the purchase price of each machine tool is more than one million yuan.

Ordinary vertical machining centers lack universal fixtures that can process crankshafts of different models, different angles, spindle diameters, and connecting rod diameters. There are poor versatility among various fixtures, high manufacturing costs, long production cycles, and low efficiency. and other shortcomings

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