Flexible transmission double-bolt screwing device

Abstract

The invention discloses a flexible transmission double-bolt screwing device. The flexible transmission double-bolt screwing device comprises a driving shaft, driven shafts, driving bevel gears, driven bevel gears, a friction ring, a sleeve, a spring, an adjusting ring, a thrust bearing, torque sensors, couplings, bolt gun heads, an outer cover, a motor and a speed reducer. The driving shaft is sleeved with the two driving bevel gears. The back faces of the driving bevel gears make contact with one end face of the friction ring. The thrust bearing is fixedly connected to the driving shaft. The front faces of the driving bevel gears make contact with the thrust bearing. The friction ring and the sleeve are arranged on the driving shaft in a sleeving mode. The other end face of the friction ring is fixedly connected with the sleeve. The spring is arranged on the sleeve in a sleeving mode and is further located between the friction ring and the adjusting ring. The other end of the driving shaft is connected with one end of the outer cover through a bearing. The other end of the outer cover is fixedly connected with a speed reducer shell. The driven bevel gears which are engaged with each other are installed below the two driving bevel gears. The driven shafts are provided with the corresponding torque sensors. The driven shafts are connected with shafts with the bolt gun heads through the couplings.

Description

technical field [0001] The invention relates to the field of mechanical assembly, in particular to a double-bolt fastening device with flexible transmission. Background technique [0002] In the process of industrial assembly, the tightening of diagonal bolts often needs to be carried out at the same time. Otherwise, the feed rate of different bolts will be different, resulting in the increase of torque and the assembly cannot be completed. The commonly used method is to tighten diagonally and tighten one by one. The feed rate is a small amount each time, so the assembly effect is not ideal and the efficiency is low; on the other hand, in the assembly of precision instruments, the diagonal tightening method will cause excessive torque due to the deviation between the bolt and the feed direction, resulting in damage to the instrument ; and one of the bolts cannot be screwed in place due to rigid rotation when the double bolts are tightened; Consider the two bolt gun heads as...

AI Technical Summary

Problems solved by technology

[0003] In view of the above deficiencies, the object of the present invention is to provide a double bolt tightening device with flexible transmission to solve the problem of poor tightening assembly effect of diagonal bolts one by one, deviation of feeding direction of diagonally tightened bolts, low tightening efficiency, and different feeding of double bolts. The problem of degree and provide the power flexible transmission distribution of the driving shaft to the driven shaft and short-term torque overrun protection function

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