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Mono drill/pump pre-profile stator inner cavity spiral curve processing equipment and method

A stator inner cavity and helical curved surface technology, applied in metal processing equipment, milling machine equipment, details of milling machine equipment, etc., to achieve the effect of improving cooling efficiency, improving machining accuracy, and ensuring accuracy and efficiency

Active Publication Date: 2013-07-17
SOUTHWEST PETROLEUM UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a pre-contoured stator inner cavity helical surface processing equipment and method for mono drills and monopumps in view of the problems existing in the current pre-contour stator inner cavity helical surface processing technology

Method used

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  • Mono drill/pump pre-profile stator inner cavity spiral curve processing equipment and method
  • Mono drill/pump pre-profile stator inner cavity spiral curve processing equipment and method
  • Mono drill/pump pre-profile stator inner cavity spiral curve processing equipment and method

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Embodiment Construction

[0015] Such as figure 1 , figure 2 , image 3 and Figure 4 As shown, a kind of Monodrilling tool of the present invention and Monopump pre-contour stator inner cavity helical curved surface processing equipment include a cutter head and a cutter bar, and its structure includes a centering cap 1, a centering plug 2, a cutter head body 3, a One end cover 4, milling cutter 5, cutter holder 6, righting tile 13, bevel gear shaft 14, transmission shaft 15, cutter body rod 16, connector flange 19, second end cover 20, its structural features are: righting block One end of the head 2 is connected with the centering cap 1 and positioned by the tightening bolt, and the other end is connected with the cutter head body 3 and positioned by the bolt. The centering cap 1 can change its outer diameter according to the change of the inner diameter of the stator, so as to be used for different sizes. The machining of the spiral curved surface of the inner cavity of the stator; the cutter h...

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Abstract

The invention provides a Mono drill and Mono pump pre-profile stator inner cavity spiral curve processing equipment and a method thereof. The equipment mainly comprises a righting cap, a right plug, a cutter bit body, a first end cover, a milling cutter, a cutter case, a bevel gear shaft, a transmission shaft, a cutter bar body and the like. In the method, the cutter bit is connected with the cutter bar; the bevel gear shaft is connected with the transmission shaft to receive rotating speed and torque; by two engaged bevel gears, the horizontal rotation is changed into vertical rotation, the cutter case and the milling cutter are driven to rotate and mill a workpiece; the workpiece rotates slowly during milling, the cutter bar and the milling cutter rotate, the workpiece and a cutter make relatively separate motion, two formed cutters in accordance with the line type of the stator inner cavity are symmetrically arranged to form in one time; righting blocks are arranged on two ends of the cutter bit to reduce deformation and vibration of the workpiece; and lubricant is adopted for cooling, and chips are washed away in time. The technology brings revolutionary progress to the technology for manufacturing the helical curve of the pre-profile stator inner cavity in China, and is significant in promotion of petroleum drilling and exploitation technology in China.

Description

technical field [0001] The invention relates to a monolithic drilling tool and mono pump pre-contour stator inner cavity helical curved surface processing equipment and method, and belongs to the technical field of monolithic drilling tools and monopump pre-contour stator inner cavity helical surface processing technology for oil drilling and development. Background technique [0002] Monodrilling tools and Monopumps are extremely important tools in the field of geological exploration and oil and gas development at home and abroad. The motor is the core component of Monodrilling tools and Monopumps. It consists of a stator and a rotor. The stator is the motor part. One of the most critical components in the tool, it is directly related to the working efficiency and service life of the tool. Conventional mono drills and mono pump stator inner cavity is smooth cylindrical surface, the internal rubber adhesion area is small, the bonding firmness is poor, easy to peel and fall o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23C3/16B23C9/00
Inventor 祝效华石昌帅童华
Owner SOUTHWEST PETROLEUM UNIV
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