A riveting assembly process method and auxiliary process device for automobile hub bearing
An automobile wheel hub and assembly process technology, applied in the field of machinery manufacturing process and equipment, can solve the problems of unstable wheel bearing quality, difficult to apply to the host market, etc., and achieve the effect of improving reliability
Active Publication Date: 2020-09-25
HUNAN UNIV
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Problems solved by technology
Some domestic units transform the original spinning machine tools into wheel hub bearing riveting assembly machine tools, or directly purchase foreign machine tool equipment, but because they have not mastered the core riveting technology, the quality of the trial-produced wheel hub bearings is unstable and difficult. Applied to the main engine market, it is basically used in the maintenance of the car later
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[0018] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.
[0019] See attached figure 1 , figure 2 , image 3 and Figure 4 , a riveting assembly process of an automobile hub bearing in the present invention includes three steps of pre-pressing, riveting and pressure-holding, and the auxiliary process devices involved include a pre-pressing device, a displacement measuring device and a workbench auxiliary device.
[0020] (see attached figure 1 and figure 2 ) in the riveting assembly, the components of the hub bearing 15 are first combined, and then placed on the auxiliary device of the workbench, the auxiliary device of the workbench includes a pressure sensor 2 and an installation sleeve 3, and the pressure sensor 2 is installed on the workbench On the platform 1, the installation sleeve 3 is installed on the pressure sensor 2, and the combined, that is, the pre-installed hub bearing 15 is placed on ...
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The invention relates to an automobile hub bearing riveting assembly process method and an auxiliary process device thereof. The auxiliary process device comprises a pre-pressing device, a displacement measuring device and a workbench auxiliary device. The automobile hub bearing riveting assembly process method comprises the following specific steps: combining and placing parts of a hub bearing 15in a mounting sleeve 3 on a workbench, pre-pressing the hub bearing 15 by the pre-pressing device through workbench 1 feeding, eliminating gaps of assemblies in the hub bearing 15, riveting by a riveting head 10, maintaining pressure for 0.1-0.5 second after measuring stroke requirements of the displacement measuring device are met, returning the workbench 1, and taking out a workpiece. The riveting assembly process method can realize precise riveting on each hub bearing by combining with the corresponding auxiliary process device, guarantees that each hub bearing obtains required axial working clearance and required clamping force, greatly improves reliability and safety of each hub bearing, prolongs the service life of each hub bearing, and is high in production efficiency.
Description
technical field [0001] The invention relates to a manufacturing method for oscillating, rolling, riveting and riveting assembly of an automobile hub bearing and an auxiliary process device thereof, belonging to the field of mechanical manufacturing processes and equipment. Background technique [0002] Wheel bearings are one of the key parts of automobiles, which have an important impact on the safety, comfort and economy of automobiles. With the increasing requirements of automobile lightweight, safety, energy saving and emission reduction, wheel bearings are constantly being updated. The third-generation wheel hub bearings widely used at present integrate the outer ring, inner ring, rolling elements, cage and other components together, and integrate ABS sensors. The traditional assembly method is to use nut clamping. However, with the increasingly prominent requirements for energy saving, reliability and cost, the shaft end riveting assembly gradually replaces the nut cla...
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IPC IPC(8): B23P15/00
CPCB23P15/003
Inventor 李伟肖耘亚马文乾神翠楠张晓红任莹晖
Owner HUNAN UNIV