Safety device for assembly machine

Abstract

The invention aims at disclosing a safety device for an assembly machine, which is used for preventing equipment from overloading. The invention adopts the following technical scheme that: on the basis of not changing the overall structure of the original assembly machine, the safety device is mounted at a lower part of the outside diameter of a main shaft (3); the safety device consists of an additional part friction disc (6), a fixing disc (7), a coupling screw nail (8) and a mounting screw nail (9); the friction disc (6) is rigidly coupled with the fixing disc (7) in a way that the coupling screw nail (8) penetrates through a threaded hole of the fixing disc (7) so as to ensure no looseness; the friction disc (6) and the fixing disc (7) are pre-mounted on a swinging arm (4) in a way that the mounting screw nail (9) penetrates through an unthreaded hole of the fixing disc (7); and a certain gap is reserved when the friction disc (6) and the fixing disc (7) are mounted, so that the pretension amount of the mounting screw nail (9) can be regulated so as to control the friction between the main shaft and the swinging arm (4). The safety device for the assembly machine disclosed by the invention has the beneficial effects that: the assembly machine is provided with the safety device, so that the running of equipment cannot overload and is stable, and the quality of products is ensured.

Description

technical field [0001] The invention relates to special equipment for bearing assembly, in particular to a safety device for an extra-large slewing ring bearing assembly machine. Background technique [0002] Existing extra-large slewing ring bearing assembly machines, such as figure 1 As shown, it is mainly composed of machine base (1), reducer (2), main shaft (3), swing arm (4) and latch (5), and there is a bolt rigid connection between main shaft (3) and swing arm (4) . Due to the particularity of the bearing application field and the difficulty of accurate measurement, the bearing frequently has excessive clearance or too small clearance during the assembly process. If the clearance is too small, the slewing drive load will increase to exceed the rated load of the assembly machine during the transfer process, resulting in product injury and assembly machine parts damage, seriously affecting the quality of product assembly; in terms of safety, due to overload The latch...

AI Technical Summary

Problems solved by technology

If the clearance is too small, the slewing drive load will increase to exceed the rated load of the assembly machine during the transfer process, resulting in product injury and assembly machine parts damage, seriously affecting the quality of product assembly; in terms of safety, due to overload The latch (5) is deformed and bent, which is likely to cause safety accidents

The main reason for the problem is that there is no protection device for the entire transmission system of the assembly machine. Although some assembly machines realize overload protection by controlling the motor, the transmission from the motor to the rotating swing arm is relatively large, and the number of stages of gear transmission is large. The range is also increased, although the equipment has issued a braking signal, but the bearing has been overloaded

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