Tongs for wrapping and riveting arm rod and scraping rod of automobile windscreen wiper

Abstract

The invention discloses a pair of tongs for wrapping and riveting an arm rod and a scraping rod of an automobile windscreen wiper and belongs to the technical field of automobile manufacturing. The pair of tongs comprises a hydraulic cylinder, a fixed plate, a Y-shaped joint, a tray, tong handles, a die, a base block, a piston rod, the arm rod and the scraping rod, wherein the hydraulic cylinder outwards exerts a force to the piston. The pair of tongs is characterized in that the hydraulic cylinder is fixed to the fixed plate, the Y-shaped joint is arranged under the fixed plate, the piston rod is connected with the Y-shaped joint through a thread, the tray is arranged under the Y-shaped joint, the Y-shaped joint is connected with the tray together through a hinge pin, the tong handles arearranged under the tray, the tray is connected with the tong handles through connecting rods, the die is arranged below the tong handles and is connected with the tong handles together through bolts,the upper portion of the die is provided with the base block, the die rotates jointly with the tong handles, and the die and the base block simultaneously extrude the arm rod, so that the arm rod isbent to be wrapped and riveted together with the scraping rod. Only several seconds are needed in the whole process, and the pair of tongs is simple in operation, capable of saving time and labor andlow in cost loss and can the demand for large-batch production.

Description

technical field [0001] The invention relates to a tool for riveting two workpieces made of sheet metal, which belongs to the technical field of automobile manufacturing, in particular to a clamp for wrapping and riveting an automobile wiper arm bar and a scraper bar. Background technique [0002] At present, many automobile manufacturers at home and abroad, especially automobile wiper manufacturers, still use the wrapped riveting process for the wiper arm and the wiper rod, but there has been no special equipment for this kind of wrapped riveting in the market. In order to solve this technical problem, Many well-known automobile manufacturing companies have cooperated with major well-known universities and spared no expense to manufacture this kind of professional equipment for wrapping and riveting. The manufacturing process is very difficult. Due to the high specialization and low versatility, different types of The equipment has caused great consumption of materials, and ...

AI Technical Summary

Problems solved by technology

[0002] At present, many automobile manufacturers at home and abroad, especially automobile wiper manufacturers, still use the wrapped riveting process for the wiper arm and the wiper rod, but there has been no special equipment for this kind of wrapped riveting in the market. In order to solve this technical problem, Many well-known automobile manufacturing companies have cooperated with major well-known universities and spared no expense to manufacture this kind of professional equipment for wrapping and riveting. The manufacturing process is very difficult. Due to the high specialization and low versatility, different types of equipment, resulting in a great consumption of materials, and this kind of equipment requires relatively high skill requirements for operators, and operators need to spend a period of training before taking up their jobs.

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