Direct-current electric hand riveter

Abstract

The invention relates to the field of plate machining, in particular to a direct-current electric hand riveter. The hand riveter comprises a rivet pulling assembly, a driving assembly and a cushioningassembly, wherein a clamping mechanism is arranged on one side of a top of the rivet pulling assembly, the driving assembly is arranged at a bottom of the rivet pulling assembly, a connecting arm isfixedly connected to the other side of the rivet pulling assembly, a wrapping sleeve is fixedly connected to one side of the connecting arm, the cushioning assembly located on one side of the connecting arm is sleeved with the wrapping sleeve, and a rivet is clamped in the clamping mechanism. A tensioning block is arranged and used in combination with a deflection cam, an air cylinder is connectedwith a common rechargeable lithium battery, a trigger is pulled to enable the air cylinder to work, a connecting shaft is installed at an output end of the air cylinder, the deflection cam is pulleddownwards, and one side of a top of the deflection cam and a limiting suspension plate are pressed and poked, so that the rivet is tensioned through the tensioning block, automatic rivet pulling operation on the rivet is advantageously performed, consumed huge external force needed by manual force application is avoided, manpower is saved, work is stable, and non-directionality of force applied bythe manual external force during rivet pulling is prevented.

Description

technical field [0001] The invention relates to the field of plate processing, in particular to a DC electric riveting gun. Background technique [0002] Riveting guns are used for fastening and riveting of various metal sheets, pipes and other manufacturing industries. At present, they are widely used in riveting of electromechanical and light industrial products such as elevators, switches, instruments, furniture, and decoration. Developed to solve the shortcomings of metal sheets and thin tubes that weld nuts are easy to melt, and tapping internal threads is easy to slip. It can rivet riveting products that do not require tapping internal threads and welding nuts. If the nut of a certain product needs to be installed outside , and the space inside is too small to let the pressure head of the sub-riveting machine enter for pressure riveting and methods such as budding cannot meet the strength requirements. In the field of pipe fastening, the pneumatic or manual riveting g...

AI Technical Summary

Problems solved by technology

Developed to solve the shortcomings of metal sheets and thin tubes that weld nuts are easy to melt, and tapping internal threads is easy to slip. It can rivet riveting products that do not require tapping internal threads and welding nuts. If the nut of a certain product needs to be installed outside , and the space inside is too small to let the pressure head of the sub-riveting machine enter for pressure riveting and methods such as budding cannot meet the strength requirements. In the field of pipe fastening, the pneumatic or manual riveting gun can be used for one-time riveting, which is convenient and firm; it replaces the traditional welding nut to make up for the deficiencies of thin metal plates, thin tube welding is fusible, and welding nuts are not smooth, but the existing riveting gun There are also the following problems:

[0003] When splicing and fixing a long flat plate, the riveting device pulls out the inner rod of the rivet by means of force arm clamping. Manual application of force needs to consume a huge amount of external force, resulting in the application of artificial external force when riveting. Non-directional, there is a certain hidden danger of unstable grip, and when the clamping part of the rivet is connected with the rivet, if the manual alignment correction method is used, the operation is complicated, and for the rivet gun with a larger volume and a harder material, and The riveted plate has the risk of damaging the user's hand. During the process of tightening the rivet, due to the deformation process of the rivet shell, when processing rivets with different material specifications, the external force required to be applied to the rivet is different. A single shock-absorbing component It is not easy to adapt to different shock absorption requirements

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