Short tail rivet pulling fastening suite, disassembly and assembly tool and using method of disassembly and assembly tool

A short tail and kit technology, applied in the direction of threaded fasteners, rivets, connecting components, etc., can solve the problems of positioning accuracy, high positioning method requirements, difficult processing of grooves and buckles, and low life of buckles, etc., to achieve Reduce difficulty, disperse stress concentration effect, easy to process and manufacture

Pending Publication Date: 2018-06-08
张丽
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] In order to solve the above technical problems, the present invention discloses a short-tail blind rivet fastening kit, a disassembly tool and a method for using the disassembly tool. High method requirements, difficult processing of grooves and buckles, poor clamping force of the short tail, stress concentration, and low service life of the buckle, so as to meet the basic requirements of fast installation and precise positioning of the short tail blind rivet bolts, and improve the short tail of the bolt. Reliability and stability of structure and buckle

Method used

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  • Short tail rivet pulling fastening suite, disassembly and assembly tool and using method of disassembly and assembly tool
  • Short tail rivet pulling fastening suite, disassembly and assembly tool and using method of disassembly and assembly tool
  • Short tail rivet pulling fastening suite, disassembly and assembly tool and using method of disassembly and assembly tool

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Experimental program
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Effect test

Embodiment 1

[0071] Such as Figure 1-Figure 5 As shown, this embodiment discloses a short-tail 3.4 blind rivet fastening kit, which includes a blind rivet bolt and a collar 1 matched with the blind rivet bolt; the blind rivet bolt includes a nail head 3.1 and a screw rod, and the screw rod includes The smooth section, the threaded section and the short tail 3.4 connected in sequence; the collar 1 includes a flange base 1.2 and a sleeve 1.1; the collar 1 is installed on the threaded section.

[0072] Specifically, the short tail 3.4 blind rivet fastening kit has the following characteristics:

[0073] 1) The short tail 3.4 includes a smooth spherical groove 3.4.1 and an axial locking step 3.4.2, and the part of the spherical groove 3.4.1 is treated by high-frequency induction quenching.

[0074] 2) The ratio of the spherical surface diameter to the width of the spherical groove 3.4.1 is 1-1.3.

[0075] 3) The cross section of the short tail 3.4 is circular, and the ratio of the maximum d...

Embodiment 2

[0086] This embodiment discloses a disassembly tool for installing and disassembling a short tail 3.4 blind rivet fastening kit disclosed in Embodiment 1, including a hydraulic station, oil pipe, driving device, installation kit and disassembly kit, hydraulic station Connect the driving device through the oil pipe, and the driving device is connected to the installation kit or the removal kit.

[0087] In this embodiment, the driving device is a hydraulic rod or a hydraulic cylinder.

[0088] Both the installation kit and the disassembly kit include an anvil 4.1 and an elastic buckle 4.2, and the anvil 4.1 is made of high-strength, high-hardness alloy steel material.

[0089] The anvil 4.1 is in the shape of a circular tube and the anvil 4.1 is relatively fixed to the driving device. The elastic buckle 4.2 is located in the lumen of the anvil 4.1. The elastic buckle 4.2 includes a plurality of circumferentially arranged clips, and the outer end of the clip is provided with a ...

Embodiment 3

[0094] Such as Figure 6-Figure 14 As shown, this embodiment discloses a specific method of using the disassembly tool in Embodiment 2, specifically including an installation method and a disassembly method.

[0095] The installation method includes the following steps:

[0096] S101: passing the blind rivet bolt through the through hole on the member 2, and putting the collar 1 on the threaded section;

[0097] S102: Insert the short tail 3.4 into the front end of the elastic buckle 4.2, so that the chuck head of the elastic buckle 4.2 contacts the spherical groove 3.4.1;

[0098] S103: Connect the installation kit with the driving device and start the hydraulic station. Under the action of the driving rod, the elastic buckle 4.2 moves into the anvil 4.1 tube cavity, and under the action of the anvil 4.1 tube wall, the clamp head of the elastic buckle 4.2 Buckle into the spherical pull groove 3.4.1 and engage;

[0099] S104: The elastic buckle 4.2 continues to move toward ...

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Abstract

The invention relates to the technical field of machining and discloses a short tail rivet pulling fastening suite, a disassembly and assembly tool and a using method of the disassembly and assembly tool. The short tail 3.4 rivet pulling fastening suite comprises a short tail 3.4 bolt and a sleeve ring 1. The disassembly and assembly tool comprises a mounting tool 4 and a disassembly tool 5. Whenconcretely in use, fixation and removal of the sleeve ring 1 on the short tail 3.4 bolt are realized through the disassembly and assembly tool to realize mounting and taking off of a component 2. By adopting the short tail 3.4 rivet pulling fastening suite, the basic requirements for rapid mounting and precision positioning of the short tail 3.4 rivet pulling bolt are met, the reliability and thestability of a short tail 3.4 structure and an elastic block button 4.2 in the application process; and the problems of difficulty in processing during production and difficulty in positioning in themounting process of the existing short tail 3.4 rivet pulling fastener are solved, the clamping force of a short tail 3.4 is improved, the stress concentration effect is lowered, and the service lifeof the elastic block button 4.2 is prolonged, and therefore, the short tail rivet pulling fastening suite is worthy of popularization and use.

Description

technical field [0001] The invention belongs to the technical field of mechanical processing, and relates to cold riveting fastening connection technology, in particular to a short-tail blind riveting fastening kit, a disassembly tool and a method for using the disassembly tool. Background technique [0002] Stud blind bolts consist of a stud screw, and a collar for use with it. The production of this type of product relies on professional cold forming parts machines and heat treatment equipment. With the help of special forming molds, the product quality control is stable, and efficient and automated mass production can be realized. At present, there is an increasing demand for this type of product in the field of domestic high-end fastening connection technology; with the continuous exploration of domestic companies, they have gradually mastered the design principles and process technology of this type of product. [0003] The short-tail blind rivet bolts of the present i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16B19/06F16B33/02F16B35/04B21D39/00
CPCF16B19/06F16B33/02F16B35/005F16B35/041B21D39/00
Inventor 张丽
Owner 张丽
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