阅读说明：本技术 一种调压阀加工工艺方法 (Pressure regulating valve processing technological method ) 是由 章志强 于 2021-08-13 设计创作，主要内容包括：本发明涉及工件加工技术领域,尤其涉及一种调压阀加工工艺方法,其包括如下工艺步骤：第一步,挤压出下端的内倒角、外倒角及上端的圆弧形槽；第二步,挤压出阀头与阀尾之间的台阶并使圆柱形内槽至台阶的上方；第三步,使圆柱形内槽延伸至台阶的下方；第四步,挤压出凸缘及过渡锥台,同时阀头下部挤压出两个平面,阀尾挤压成具有一定角度锥台；第五步,整理挤压凸缘；第六步,使圆柱形内槽与圆弧形槽贯通形成通孔,并对工件进行挤压整形,使其形成所需尺寸的成品形。本发明提供的方法成本低,耗材少,不会产生加工余料,且加工出的工件强度及精度比较高。(The invention relates to the technical field of workpiece processing, in particular to a pressure regulating valve processing method, which comprises the following processing steps: firstly, extruding an inner chamfer, an outer chamfer and an arc-shaped groove at the lower end; secondly, extruding a step between the valve head and the valve tail and enabling the cylindrical inner groove to be located above the step; thirdly, extending the cylindrical inner groove to the lower part of the step; extruding a flange and a transition frustum, simultaneously extruding two planes from the lower part of the valve head, and extruding the valve tail to form a frustum with a certain angle; fifthly, finishing the extrusion flange; and sixthly, the cylindrical inner groove is communicated with the arc-shaped groove to form a through hole, and the workpiece is extruded and shaped to form a finished product with required size. The method provided by the invention has the advantages of low cost, less material consumption, no production of processing excess materials, and higher strength and precision of the processed workpiece.)

1. A processing method of a pressure regulating valve comprises a valve head, a valve tail and a flange which are integrally extruded, wherein a step is arranged between the valve head and the valve tail, the valve tail is of a frustum structure, the flange is positioned in the middle of the valve head, through holes are formed in the centers of the valve head and the valve tail, and two planes are arranged on the lower portion of the valve head, and the processing method is characterized by comprising the following processing steps:

firstly, extruding a workpiece obtained by cutting round steel at a fixed length into an inner chamfer and an outer chamfer at the lower end and an arc-shaped groove at the upper end through a die;

turning the workpiece for 180 degrees and then transferring the workpiece to a next die, extruding a step between the valve head and the valve tail through the die, extruding a cylindrical inner groove from the top end to the middle part to the upper part of the step, and simultaneously shaping and extruding the workpiece to enable the workpiece to be slender;

thirdly, translating the workpiece to a next die, and continuously extruding the workpiece from the top part downwards along the cylindrical inner groove to enable the cylindrical inner groove to extend to the lower part of the step;

fourthly, translating the workpiece to a next die, extruding and shaping the workpiece to make the workpiece become short and thick, extruding a flange on the outer wall of the middle part of the valve head, extruding two planes on the lower part of the valve head, and extruding the valve tail to form a frustum with a certain angle;

fifthly, translating the workpiece to a next die, continuously extruding and shaping the workpiece to shorten and thicken the whole workpiece, and arranging and extruding flanges to form the required shape;

and sixthly, translating the workpiece to a next die to enable the cylindrical inner groove and the arc-shaped groove to be communicated to form a through hole, and extruding and shaping the workpiece to form a finished product with the required size.

Technical Field

The invention relates to the technical field of workpiece machining, in particular to a pressure regulating valve machining process method.

Background

The pressure regulating valve is a valve installed on a pipeline and is provided with a valve head, a valve tail and a flange. The traditional pressure regulating valve processing adopts a turning processing method, and round steel with the diameter larger than that of a flange is selected as a raw material to be cut. The processing mode has the advantages of large material consumption, high cost, generation of a lot of waste materials, influence on the environment, poor mechanical property of processed workpieces and easy generation of processing errors.

Disclosure of Invention

The technical problem to be solved by the invention is to provide a pressure regulating valve processing method which is low in cost, low in material consumption, free of processing excess materials and high in strength and precision of processed workpieces.

The invention is realized by the following technical scheme:

a pressure regulating valve processing method comprises a valve head, a valve tail and a flange which are integrally extruded, wherein a step is arranged between the valve head and the valve tail, the valve tail is of a frustum structure, the flange is positioned in the middle of the valve head, through holes are formed in the centers of the valve head and the valve tail, and two planes are arranged on the lower portion of the valve head, and the pressure regulating valve processing method comprises the following processing steps:

firstly, extruding a workpiece obtained by cutting round steel at a fixed length into an inner chamfer and an outer chamfer at the lower end and an arc-shaped groove at the upper end through a die;

turning the workpiece for 180 degrees and then transferring the workpiece to a next die, extruding a step between the valve head and the valve tail through the die, extruding a cylindrical inner groove from the top end to the middle part to the upper part of the step, and simultaneously shaping and extruding the workpiece to enable the workpiece to be slender;

thirdly, translating the workpiece to a next die, and continuously extruding the workpiece from the top part downwards along the cylindrical inner groove to enable the cylindrical inner groove to extend to the lower part of the step;

fourthly, translating the workpiece to a next die, extruding and shaping the workpiece to make the workpiece become short and thick, extruding a flange on the outer wall of the middle part of the valve head, extruding two planes on the lower part of the valve head, and extruding the valve tail to form a frustum with a certain angle;

fifthly, translating the workpiece to a next die, continuously extruding and shaping the workpiece to shorten and thicken the whole workpiece, and arranging and extruding flanges to form the required shape;

and sixthly, translating the workpiece to a next die to enable the cylindrical inner groove to be communicated with the arc-shaped groove to form a through hole, extruding two planes from the lower part of the valve head, and extruding and shaping the workpiece to form a finished product with a required size.

The invention has the advantages of

The pressure regulating valve processing method has the advantages that:

1. the pressure regulating valve processed by the die in a cold extrusion mode enables the tissue density of the pressure regulating valve to be higher and the mechanical performance to be better.

2. No excess material is generated in the whole processing process, which is beneficial to protecting the environment and the health of operators.

3. The utilization ratio of raw and other materials is high, need not to choose for use great size raw and other materials can process out the air-vent valve of required size, very big reduction the manufacturing cost of enterprise.

4. The whole process is extruded and molded by the die, so that the production efficiency is high, the influence of human factors is reduced, and the processing precision is high.

5. The pressure regulating valve that extrudes makes things convenient for the dismouting.

Drawings

FIG. 1 is a schematic view of a workpiece after various processing steps according to the present invention;

FIG. 2 is a schematic structural diagram of a product of the present invention;

in the figure, 1 is a through hole, 2 is a valve head, 3 is a flange, 4 is a plane, and 5 is a valve tail.

Detailed Description

A pressure regulating valve processing method, the pressure regulating valve includes valve head 2, valve tail 5 and flange 3 that the integrative extrusion is formed, there are steps between valve head and the valve tail, the valve tail is the frustum structure, the said flange is located the middle part of valve head, valve head and valve tail center have through hole 1, the valve head inferior part has two levels 4, it includes the following process steps:

firstly, extruding a workpiece obtained by cutting round steel at a fixed length into an inner chamfer and an outer chamfer at the lower end and an arc-shaped groove at the upper end through a die;

turning the workpiece for 180 degrees and then transferring the workpiece to a next die, extruding a step between the valve head and the valve tail through the die, extruding a cylindrical inner groove from the top end to the middle part to the upper part of the step, and simultaneously shaping and extruding the workpiece to enable the workpiece to be slender;

thirdly, translating the workpiece to a next die, and continuously extruding the workpiece from the top part downwards along the cylindrical inner groove to enable the cylindrical inner groove to extend to the lower part of the step;

fourthly, translating the workpiece to a next die, extruding and shaping the workpiece to make the workpiece become short and thick, extruding a flange on the outer wall of the middle part of the valve head, extruding two planes on the lower part of the valve head, and extruding the valve tail to form a frustum with a certain angle;

fifthly, translating the workpiece to a next die, continuously extruding and shaping the workpiece to shorten and thicken the whole workpiece, and arranging and extruding flanges to form the required shape;

and sixthly, translating the workpiece to a next die to enable the cylindrical inner groove to be communicated with the arc-shaped groove to form a through hole, extruding two planes from the lower part of the valve head, and extruding and shaping the workpiece to form a finished product with a required size.

In conclusion, the pressure regulating valve processing method protected by the invention processes the pressure regulating valve by adopting a cold extrusion mode through the die, and the pressure regulating valve has higher tissue density and better mechanical property; meanwhile, the pressure regulating valve with the required size can be processed without selecting raw materials with larger size, the utilization rate of the raw materials is higher, and the production cost of an enterprise is greatly reduced; the whole process is extruded and molded through a die, so that the production efficiency is high, the influence of human factors is reduced, and the processing precision is improved; meanwhile, no excess material is generated in the machining process, the environment protection and the health of operators are facilitated, and the extruded pressure regulating valve is provided with a flange and two planes, so that the pressure regulating valve is convenient to disassemble, assemble and position.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.