Punch riveting device and punch riveting process
A punching and riveting technology, which is applied in the field of punching riveting devices and punching riveting technology, can solve problems such as hidden safety hazards and inability to meet the standards of anti-loosening, and achieve the effect of good impact, good anti-loosening effect and avoiding nut detachment.
Active Publication Date: 2021-08-24
JIANGLING MOTORS
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Problems solved by technology
[0005] Based on this, the purpose of the present invention is to provide a punching riveting device and a punching riveting process, which are used to solve the problem o
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[0031] In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the associated drawings. Several embodiments of the invention are shown in the drawings. However, the present invention can be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that the disclosure of the present invention will be thorough and complete.
[0032] It should be noted that when an element is referred to as being “fixed on” another element, it may be directly on the other element or there may be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and similar expressions are used herein for purposes of illustration only.
[0033] Unless otherwise def...
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The invention provides a punch riveting device and a punch riveting process. The punch riveting device comprises a pneumatic tool and further comprises a punch riveting mechanism. The punch riveting mechanism comprises a punch riveting structure, a fixing structure and a connecting structure. Punch riveting surfaces are uniformly arranged on the outer surface of the punch riveting structure, an expanding region is arranged at the top end of the punch riveting structure, a first chambered angle is arranged between the expanding region and the outer surface of the punch riveting structure, and midcourt lines of the punch riveting structure, the connecting structure and the fixing structure are collinear. According to the punch riveting device and the punch riveting process, by arranging the punch riveting mechanism on the pneumatic tool, the punch riveting mechanism can perform punch riveting on an end surface of a punch-riveted part such as a bolt directly, so that the end surface is expanded outwards. The longitudinal section in the expanded part is wider than the longitudinal section of the nut, so that the nut is defined and is prevented from being separated, the problem that a finger is crashed by way of extruding a thread by an impact nut that deforms and the locking degree is insufficient is solved, and the problem that in the prior art, there is potential safety hazard as the way of extruding a thread by an impact nut that deforms cannot meet the locking standard is solved.
Description
technical field [0001] The invention relates to the technical field of punching riveting tools, in particular to a punching riveting device and a punching riveting process. Background technique [0002] With the continuous development of the automobile industry and the improvement of people's living standards, automobiles have become one of the indispensable means of transportation for people to travel and freight. [0003] After the assembly screw of the automobile hub is installed, the end face of the screw thread needs to be punched and riveted to prevent loosening. Usually, the staff needs to hold the conical punch and use the corresponding tool to strike the conical punch, so that the conical punch can impact and deform the nut and squeeze the screw. The thread at the place increases the friction to achieve the anti-loosening effect. When knocking, if you are a little careless, it is easy to hurt the fingers holding the punch; in addition, the degree of extrusion and d...
Claims
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Login to View More IPC IPC(8): B21J15/10B21J15/18
CPCB21J15/105B21J15/18
Inventor 华斌
Owner JIANGLING MOTORS