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A Self-Centering Fixture for Ceramic Cylinder Liner Grinding

A self-centering fixture, ceramic cylinder technology, used in grinding workpiece supports, grinding drives, grinding/polishing equipment, etc., can solve problems such as uneven force, brittle cracks, affecting product quality and performance, etc. , to achieve the effect of stable clamping force, reducing development and ensuring quality

Active Publication Date: 2021-06-25
济南宝山石油设备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The invention is mainly used to solve the problems of rigid clamping, small contact area, uneven force, brittle cracks, and affecting the quality and performance of products

Method used

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  • A Self-Centering Fixture for Ceramic Cylinder Liner Grinding
  • A Self-Centering Fixture for Ceramic Cylinder Liner Grinding
  • A Self-Centering Fixture for Ceramic Cylinder Liner Grinding

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Embodiment Construction

[0032] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific embodiments.

[0033] like Figure 1 to Figure 7 As shown, a self-centering fixture for ceramic cylinder liner grinding includes a rotating shaft 1, a tightening device 2, a support frame 3, a motor 31 and a connecting rod 32; two sets of tightening devices 2 are arranged on the rotating shaft 1 The clamping device 2 is symmetrically arranged at both ends of the rotating shaft 1; the clamping device 2 includes a No. 1 turntable 21, a No. 2 turntable 22 and elastic spokes 23; Mounting hole; the rotating shaft 1 is connected in rotation in the mounting hole; one end of the rotating shaft 1 is fixedly connected to the rotating shaft of the motor 31; the mounting seat of the motor 31 is fixedly connected to the support frame 3; A left-handed thread and a right-hand...

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Abstract

The invention belongs to the technical field of fixtures, specifically a self-centering fixture for ceramic cylinder liner grinding, including a rotating shaft, a clamping device, a support frame, a motor and a connecting rod; the invention drives the rotating shaft to rotate through a motor, The rotating shaft drives the second turntable to move along the axial direction of the rotating shaft through the thread. The threads on the rotating shaft are left-handed threads and right-handed threads respectively, so that the second turntable moves to the first turntable; during the process, the second turntable squeezes the elastic spokes, The elastic spokes are bent toward the inner wall of the ceramic cylinder liner, and the middle part of the elastic spokes squeezes the inner wall of the ceramic cylinder liner to realize the clamping of the ceramic cylinder liner. By using the elastic spokes to clamp the ceramic cylinder liner, the elastic spokes contact the inner wall of the ceramic cylinder liner more easily. Tight, to avoid damage to the ceramic cylinder liner during the clamping process. After the elastic spokes are pressed against the inner wall of the ceramic cylinder liner, the elastic spokes are elastic as a whole, which prevents the ceramic cylinder liner from being impacted during processing and avoids damage to the ceramic cylinder liner.

Description

technical field [0001] The invention belongs to the technical field of fixtures, in particular to a self-centering fixture for ceramic cylinder liner grinding. Background technique [0002] With the continuous expansion of human exploitation of global oil and gas resources, and it is getting worse and worse, a large number of metal cylinder liners are frequently replaced. Even so, it is difficult to ensure the high pressure and wear requirements of drilling rigs. Zirconium, zirconia toughened alumina (ZTA), high-performance A-99 alumina ceramics three major material systems. Its raw materials are made of high-purity nano-zirconia and alumina micropowder, which are formed by advanced cold pressing technology, sintered at high temperature, assembled, and finally polished with high precision. It has high flexural and tensile strength, high Fracture toughness and acid and alkali corrosion resistance. [0003] Due to the high bending resistance and tensile strength of ceramic c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B24B19/22B24B41/06B24B47/22
CPCB24B19/22B24B41/067B24B47/22
Inventor 徐达清
Owner 济南宝山石油设备有限公司
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