Numerical control machine for contour broach of internal screw of constant-wall-thickness stator and use method

A technology of forming broaching and CNC machine tools, which is applied in the field of CNC machine tools, can solve problems such as inability to solve parts manufacturing problems, fail to meet processing technical requirements, etc., and achieve the effect of expanding production scale
CN102430798AInactive Publication Date: 2012-05-02DONGYING BOSUN GASOLINEEUM MACHINERY
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
DONGYING BOSUN GASOLINEEUM MACHINERY
Publication Date
2012-05-02
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention relates to a numerical control machine for contour broach of an internal screw of a constant-wall-thickness stator and a use method. In a technical scheme, the numerical control machine mainly comprises a machine body, a push-and-pull system, a rotating system, a cutter system, a hydraulic system, an electrical control cabinet and a control system, wherein the cutter system mainly comprises a cutter blade, a cutter body and a cutter bar, the cutter body is provided with a cuttings accommodating slot for accommodating cuttings produced by the cutter, a clamping slot for the cutter blade is arranged at the front part of the cuttings accommodating slot and is used for installing and adjusting the cutter blade, and a metal hair brush is arranged on the cutter body and rotates along with the cutter bar to clean away cuttings; and the cutter body is connected with the cutter bar and is hollow, and cooling fluid can be transferred through the hollow portion during machining. Inthe invention, the mature deep hole machining technology and equipment are used as a platform, the gun barrel rifling and broaching equipment and process technology are combined, the machining mannerof workpiece fixation as well as cutter rotation and feeding is adopted, and a special numerical control contour broach machine is designed and manufactured.
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Description

Technical field:

[0001] The invention relates to a numerically controlled machine tool, in particular to a numerically controlled machine tool for inner spiral forming and broaching of a stator with equal wall thickness and a use method thereof. Background technique:

[0002] With the rapid modernization of drilling technology and drilling technology, higher requirements are placed on the drilling equipment used in the drilling process and the efficiency of drilling. Traditional drilling equipment is gradually unable to meet the needs of modern drilling. Downhole power drilling tools with high efficiency and long life have become an urgent development direction. The development and promotion of screw drilling tools with short length, high power, high pressure drop and low speed have become an important link to improve drilling efficiency and save drilling costs.

[0003] The conventional screw motor stator is formed by casting nitrile rubber in the steel pump barrel. T...

Claims

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