Tensioning type clamp for processing piston

Abstract

The invention discloses a tensioning type clamp for processing a piston. The tensioning type clamp comprises a pull rod, a spring, a clamp head and a clamp body, wherein the clamp body is connected with a main shaft of a machine tool, one side of the pull rod is glidingly connected with a groove, one end of the spring is connected with the bottom of the groove, the other end of the groove is connected with the end part of the pull rod, the outer part of one side of the pull rod is provided with a shaft sleeve in a sleeving way, a slide sleeve glidingly connected with the pull rod sleeves the outside of the other side of the pull rod, a step sleeve sleeves outside the shaft sleeve, the outer wall of the shaft sleeve is connected with the inner wall of one side of the step sleeve through screw threads, the inner wall of the shaft sleeve is connected with the pull rod through internal screw threads, the inner wall of the other side of the step sleeve is connected with one end, provided with external screw threads, of the clamp body through screw threads, the clamp head comprises a T-shaped movable block capable of entering a strip-shaped hole formed in the end part of the piston, and the end part of the long edge of the T-shaped movable block is connected with the end part of the other end of the pull rod. The tensioning type clamp overcomes the defects of poor fixation effect and low workpiece blank utilization rate during the clamping of the existing clamp. The invention provides the tensioning type clamp for processing the piston with the advantages that the fixation effect is good, and the blank cutting utilization rate is high.

Description

technical field [0001] The invention belongs to the field of devices for clamping workpieces, in particular to a tensioning clamp for processing pistons. Background technique [0002] The automobile piston is like the central part of the automobile engine, which occupies an extremely important position when the engine is started. The automobile piston is used to withstand the gas pressure, and the connecting rod drives the crankshaft to rotate through the piston pin, and the top of the piston is also an integral part of the combustion chamber. General automotive pistons are divided into three categories: diesel engine pistons, gasoline engine pistons, and general-purpose pistons. [0003] A common piston includes a cylindrical piston body, such as figure 1 As shown, the end face of the piston body is provided with a bar-shaped hole 11, and when turning the outer circle and inner hole of the piston body, the piston body needs to be clamped. The fixture is a device used to ...

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a tensioning type for processing pistons with a good fixing effect and a high utilization rate of cutting blanks, aiming at the defects of poor fixing effect or low utilization rate of workpiece blanks when the existing fixture clamps the piston. fixture

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