Special clamp for multi-directionally clamping frame workpieces

Abstract

The invention relates to a special clamp for multi-directionally clamping frame workpieces. The special clamp comprises a baseplate, a plurality of Y-direction automatic positioning devices and a plurality of Z-direction positioning devices, wherein a row or more rows of sectional type clamping slots are transversely formed in the working table of the baseplate; the Y-direction positioning devices are arranged on the slot surfaces of the clamping slots through slot holes, and the Y-direction automatic positioning devices provide positioning thrust perpendicular to transverse center lines on two edges for the frame workpieces on the two edges to carry out Y-direction positioning on the frame workpieces; the Z-direction positioning devices are vertically mounted in the clamping slots through slot holes, and provide positioning pressure perpendicular to the baseplate for the rame workpieces at the two edges to carry out Z-direction positioning for the frame workpieces. The special clamp has a perpendicular clamping positioning function and avoids of axial play of the workpieces during processing. The special clamp has the advantages of being reasonable in structure and attractive and neat in appearance.

Description

technical field [0001] The invention relates to the field of machining fixtures, in particular to a special fixture for multi-directional clamping of frame workpieces. Background technique [0002] With the development of numerical control technology, many parts of products are processed by CNC machine tools. Generally, fixtures need to be installed on the machine tool to clamp the workpiece or guide the tool. Its function is to position the workpiece so that the workpiece can obtain relative The correct position, and reliable clamping of the workpiece. In the processing of LCD TV frame workpieces, the frame workpieces are generally clamped by double fixed clamping fixtures on the left and right sides of the cylinder. When the workpiece is processed, it only receives the radial clamping force in the Y direction, and the workpiece in the Z direction axis It is prone to movement and affects the accuracy of processing. In addition, because the clamping contact surface of the ...

AI Technical Summary

Problems solved by technology

In the processing of LCD TV frame workpieces, the frame workpieces are generally clamped by double fixed clamping fixtures on the left and right sides of the cylinder. When the workpiece is processed, it only receives the radial clamping force in the Y direction, and the workpiece in the Z direction axis It is easy to move and affect the precision of processing

In addition, because the clamping contact surface of the frame workpiece is small, if the radial clamping force is increased, the pressure loss of the frame workpiece may occur, so that the processing of the frame workpiece is not precise, and the qualified rate of the finished product is not high

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