Expansion type centered clamping and milling device

Abstract

The invention discloses an expansion type centered clamping and milling device, and belongs to the technical field of machines. The expansion type centered clamping and milling device comprises a locking nut, a spring box, a mandrel, a reset spring, a spring seat plate, a clamp body, a bearing sleeve, a positioning supporting plate, a steel wire and a pneumatic assembly; the mandrel penetrates the spring box; the reset spring is mounted in the spring box, the end, pointing to the pneumatic assembly, of the reset spring is connected with the spring seat plate, the clamp body is located between the spring box and the pneumatic assembly, the bearing sleeve is mounted on the clamp body, and guide grooves which are evenly formed in the radial direction are formed in the bearing sleeve, and the positioning supporting plate is mounted in the guide grooves of the bearing sleeve; the steel wire penetrates a mounting hole in the positioning supporting plate, and the bottom circular-arc slope of the positioning supporting plate makes contact with the conical face of the mandrel. Involute spline holes are adopted in the milling device for positioning, the structure is novel and simple, cost is low, centered clamping can be achieved, and the efficiency is high; and work is reliable, and automatic upgrading and reconstruction are facilitated.

Description

[0001] Technical field: [0002] The invention relates to an expandable centering and clamping milling device, which belongs to the technical field of machinery. [0003] Background technique: [0004] The milling of workpieces in machining is usually performed by clamping the workpieces for milling. [0005] In the reported milling device, the workpiece generally needs to be manually taken out after processing. Since it will be hot after milling, if it is taken out directly, it may cause the operator's hands to be scalded, and it takes a while to wait, which reduces the processing efficiency and is not suitable for batch processing. In addition, the reported processing methods are generally manual clamping based on experience. The clamping force used in different batches of processing is different, and the clamping force is too large or too small, which may affect the machining precision. [0006] A machinery factory needs to design a milling device to process sleeve parts w...

AI Technical Summary

Problems solved by technology

[0005] The milling devices that have been reported generally require manual removal of the processed workpiece

Because it will be hot after milling, if it is taken out directly, it may cause the operator's hands to be scalded, and it needs to wait for a period of time, which reduces the processing efficiency and is not suitable for batch processing.

In addition, the reported processing methods are generally manual clamping based on experience, and the clamping force used in different batches of processing is different, and the clamping force is too large or too small may affect the processing precision

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