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Slotted lining preparation device and method

A technology for slotted bushings and preparation devices, which is applied in the direction of feeding devices, positioning devices, storage devices, etc., can solve the problem of affecting the cold extrusion strengthening effect and quality of slotted bushings, uneven organizational structure and stress state, and obstacles Strengthen the application and promotion of technology to achieve high-efficiency and high-quality preparation capabilities, uniform internal organizational structure and stress state, and reduce preparation costs

Pending Publication Date: 2022-05-27
成都浩益科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the slotted bushes that can be manufactured in China have large diameter specifications, unstable dimensions, uneven internal structure and stress state, low slot width accuracy, large fluctuations in end faces, and certain straight edges at both ends of the slot.
Seriously affected the cold extrusion strengthening effect and quality of the slotted bush, and also greatly hindered the application and promotion of this strengthening technology

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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  • Slotted lining preparation device and method
  • Slotted lining preparation device and method
  • Slotted lining preparation device and method

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Embodiment Construction

[0037] The specific embodiments of the present invention are described below to facilitate those skilled in the art to understand the present invention, but it should be clear that the present invention is not limited to the scope of the specific embodiments. For those skilled in the art, as long as various changes Such changes are obvious within the spirit and scope of the present invention as defined and determined by the appended claims, and all inventions and creations utilizing the inventive concept are within the scope of protection.

[0038] like Figure 1 to Figure 3As shown in the figure, the slitted bushing preparation device of this scheme includes a vertically arranged working surface, and a feeding rod 8 is arranged on the working surface. The feeding rod 8 is perpendicular to the working surface, and the head of the feeding rod 8 protrudes from the working surface. The tail of the 8 is connected with the belt conveying mechanism. The feeding rod 8 is provided wit...

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Abstract

The invention discloses a slotted lining preparation device which comprises a vertically-arranged working face, a feeding rod is arranged on the working face and is perpendicular to the working face, the head of the feeding rod extends out of the working face, the tail of the feeding rod is connected with a strip conveying mechanism, a strip-shaped hole for conveying strips is formed in the feeding rod, and the strip-shaped hole penetrates through the two ends of the feeding rod. A rigid core rod, a lower cutter, a forming pressing block and an upper cutter are arranged on the periphery of the feeding rod. The method for preparing the slotted bushing by using the preparation device comprises the steps S1-S11. The process and the forming size of the slotted bushing are controllable and stable aiming at strip rolling and rolling forming, so that the internal organization structure and the stress state of the slotted bushing are uniform, the width precision of a slot in the slotted bushing is high, the end face of the slotted bushing is free of fluctuation, and the two ends of the slot are free of straight edges; the device can be used for preparing small-specification-diameter slotted bushings, has high-efficiency and high-quality preparation capacity, and expands the application of cold extrusion strengthening of the slotted bushings.

Description

technical field [0001] The invention relates to the technical field of slit bushing production, in particular to a slit bushing preparation device and method. Background technique [0002] The slotted bushing cold extrusion strengthening technology has the characteristics of large interference, strong operability and high extrusion quality, which can significantly improve the fatigue life of the fastening holes of the structural parts, and also effectively improve its resistance to stress corrosion and corrosion fatigue. It has been widely used in the reinforcement of aircraft fastening holes and achieved good results. The slotted bushing is an important part in the cold extrusion strengthening technology of the slotted bushing. In the process of cold extrusion strengthening of the slotted bushing, due to the use of the slotted bushing, the damage of the hole and the accumulation of the extrusion port material during the extrusion process are avoided, the pulling force of t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21D35/00B21D5/04B21D43/09B21D43/28B21D53/16
CPCB21D35/002B21D5/045B21D43/09B21D43/28B21D53/16Y02P40/57
Inventor 刘钢孔卫东刘思龙
Owner 成都浩益科技有限公司
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