Workpiece fixture for numerically-controlled machine tool

Abstract

The invention discloses a workpiece fixture for a numerically-controlled machine tool. A center bolt is fixed to the bottom of a flange plate of the workpiece fixture. A center through hole is formed in a center area of a base plate. The center bolt on the flange plate is embedded into the center through hole of the base plate. A nut is located on the lower surface of the base plate and is installed at the tail end of the center bolt. A ball lock clamping mechanism is installed on the upper surface of the flange plate and further comprises a bottom plate, a base plate body, a left positioning plate, a right positioning plate, a U-shaped elastic sheet, a wedge block with a first through hole, a left to-be-machined workpiece and a right to-be-machined workpiece. The U-shaped elastic sheet is located between the left workpiece and the right workpiece. The wedge block is embedded into the U-shaped elastic sheet. The left positioning plate and the right positioning plate are each parallelly provided with at least two strip-shaped grooves. The left positioning plate is installed on the base plate body through at least two plug pins embedded into the strip-shaped grooves in the left positioning plate. According to the workpiece fixture for the numerically-controlled machine tool, a flexible and changeable clamping scheme and machining of various angles are achieved, the multiple surfaces of a product can be machined through one-time clamping, and precise positioning and fixing are also achieved.

Description

technical field [0001] The invention relates to a workpiece fixture of a numerically controlled machine tool, which belongs to the technical field of precision milling tooling. Background technique [0002] With the continuous advancement of science and technology, the machining technology has also continued to improve, and the improvement of the processing efficiency of various mechanical workpieces has become an urgent demand for major machining enterprises. At present, in the processing and production of molds with tooling, the tooling and the mold cannot be rotated after being fixed. When processing the mold, when it involves processing of different surfaces and angles, it must be realized by adjusting the tool position of the machine tool. At the same time, it is necessary to adjust the positioning angle of the mold, which intensifies the cumbersomeness of the machining operation and reduces the processing efficiency; moreover, in the process of mold processing, the pro...

AI Technical Summary

Problems solved by technology

At present, in the processing and production of molds with tooling, the tooling and the mold cannot be rotated after being fixed. When processing the mold, when it involves processing of different surfaces and angles, it must be realized by adjusting the tool position of the machine tool. At the same time, it is necessary to adjust the positioning angle of the mold, which intensifies the cumbersomeness of the machining operation and reduces the processing efficiency; moreover, in the process of mold processing, the processing is relatively complicated, and frequent adjustment of the tool position of the machine tool is likely to cause an increase in the processing error rate, resulting in product failure. Decreased quality, increased scrap rate

On the other hand, the size of the working surface of the existing tooling is basically fixed, and a tooling is only suitable for processing molds that match the size of the working surface. Factories often need to equip a large number of tooling for production and processing, which inevitably increases the Production costs and maintenance costs

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