Thin-walled-tube flaring device and use method thereof
A thin-walled tube and cutting edge technology, which is applied in the field of thin-walled tube flaring devices, can solve problems such as high cost of use, poor quality of flaring, and failure of flaring devices to achieve convenient operation, avoid out-of-tolerance, and save energy. The effect of production costs
Active Publication Date: 2015-06-24
CHINA HELICOPTER RES & DEV INST
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Problems solved by technology
[0006] The object of the present invention is to provide a flaring device for thin-walled tubes and its use method, so as to solve the problems that the existing flaring devices cannot flaring, the quality of flaring is poor, and the use cost is high
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[0022] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0023] Such as Figure 1 to Figure 4 As shown, a thin-walled tube flaring device includes a cutting edge part 1 , a correction part 2 , a wrench part 3 , a reference part 4 and a fixing part 5 .
[0024] The flaring device for the thin-walled tube is an ordinary steel piece, the whole is cylindrical, and the center is a through hole, and the device is integrally formed by machining. The overall shape of the cutting edge portion 1 at the front end of the device is conical, which is the main working part of the flaring, and its front end has several cutting edges; in the present embodiment, the cutting edge portion 1 has 3 to 10 cutting edges, and the cutting edges The mouths are evenly distributed angularly on the cutting edge portion 1 .
[0025] The rear part of the cutting edge part 1 is a correction part 2 with a cylindrical outer cross-s...
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Abstract
The invention relates to the field of machining, in particular to a thin-walled-tube flaring device and a use method thereof. The problems that an existing flaring device can not carry out flaring and is poor in flaring quality and high in use cost are solved. The thin-walled-tube flaring device comprises a blade part, a correcting part, a wrench part, a standard part and a fixing part. The whole thin-walled-tube flaring device is cylindrical, a through hole is formed in the center of the thin-walled-tube flaring device, and the thin-walled-tube flaring device is integrally formed through machining. The thin-walled-tube flaring device is simple in structure and convenient to operate, thin-walled-tube flaring work can be completed on a common lathe, parts can be detected at any time in the machining process, the deformed condition of the parts can be controlled, the out-of-tolerance phenomenon and the scrapping phenomenon can be avoided, the part machining percent of pass can be increased, the production efficiency can be improved, and the production cost is saved.
Description
technical field [0001] The invention relates to the field of mechanical processing, in particular to a flaring device for thin-walled tubes and a method for using the same. Background technique [0002] The roll-up tube of a certain anti-crash seat has an energy-absorbing device, and the core components and core structural parts of the energy-absorbing device need to be flared, and the flared part is connected to the outer tube load tube of the energy-absorbing device. If the flaring does not reach the size, there will be a large gap when connecting with the load tube, which will easily cause a large misalignment between the inner and outer tubes. When the force is stretched, the inner wall of the part is likely to contact and cause friction. increase, affecting the energy-absorbing effect. In addition, a set of anti-crash seat products only needs one piece of this part, which belongs to the category of single-piece production. Common flaring practices include: [0003] (...
Claims
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IPC IPC(8): B21D41/02
CPCB21C51/00B21D37/18B21D41/02
Inventor 王继红吴继东
Owner CHINA HELICOPTER RES & DEV INST