A split type constant pressure cylindrical honing structure and using method

Abstract

The invention discloses a split-type constant-pressure cylindrical honing structure and an adjustment method thereof. The structure includes a carriage, a guide rail is fixed above the carriage, two sliders are arranged on both sides of the guide rail, and two sliders are fixed on the two sliders respectively. The honing head bracket, the honing head is fixed above the honing head bracket, and each honing head is equipped with two oil stone bars, the bottom of the two honing head brackets are respectively connected with the cylinder body and piston rod of the cylinder, the whole cylinder is floating installation, the two honing heads Under the action of the cylinder, it can make radial feed movement along the guide rail, so that the oil stone can be close to the outer cylindrical surface of the workpiece for honing. The invention adopts the air cylinder as the driving element for the radial feed of the honing head, which belongs to the constant pressure feed. Since the gas is compressible, and the air cylinder is installed floatingly, the honing head is completely floating in the radial direction, and the workpiece can be realized. Self-centering clamping, the honing head is equipped with an adjustment structure, so that the whetstone can fit the workpiece more fully.

Description

technical field [0001] The invention belongs to the field of mechanical honing processing, and in particular relates to a split-type constant-pressure cylindrical honing structure and a use method. Background technique [0002] Cylindrical honing is a form of grinding. It is a process of precision machining the outer surface of the workpiece, and it belongs to finishing processing. Generally, multiple whetstone strips on the honing head are surrounded and pressed on the outer cylindrical surface of the workpiece at the same time, the workpiece makes a circular motion, the honing head makes a linear reciprocating motion, and the whetstone strips grind the surface of the workpiece. Honing can form a lower roughness, and can form a cross texture on the surface of the workpiece. The cross texture is conducive to the formation of a lubricating oil film, so honing is mostly used in the processing of parts in friction pairs. [0003] But most of the existing cylindrical honing hea...

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Problems solved by technology

[0003] However, most of the existing cylindrical honing heads are integral honing heads, which is not convenient for hoisting the workpiece, and it is also not convenient for adjusting the bonding degree of the honing stone on the honing head and the workpiece.

In addition, most honing heads lack a floating structure design, and the feeding method of the whetstone is mostly driven by hydraulic pressure. Due to the incompressibility of the liquid, the floating of the honing head is poor during the honing process, which has a certain impact on the shape accuracy of the workpiece. influences

In addition, the structure of the hydraulic drive generally has a small feed stroke of the oilstone, which cannot adapt to the processing of a wide range of parts with different sizes and specifications. When replacing the corresponding honing head, the process is complicated and reduces work efficiency.

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