Brake pedal structure of welding jig

Abstract

The invention provides a brake pedal structure of a welding fixture, including a base; it is characterized in that: a tapered roller bearing is fixedly arranged on the top of the base through interference fit, and a swivel seat is fixedly arranged in the tapered roller bearing through interference fit, The bottom of the swivel seat is set as a shaft shoulder structure to facilitate cooperation with the bearing; the outside of the base is fixedly provided with a friction plate through screw connection, and the outer side of the top of the friction plate is fixedly provided with a synchronous wheel through a key connection; the top of one side of the base is integrated. There is a round table structure, and the top of the round table is integrated with a pedal seat; the friction disc and brake block can be braked through cooperation, with strong friction and easy to use. The friction disc can be decelerated and fixed by sharing stress in the circumferential direction, which is easy to use And fixed, and the friction disc is a separate structure for easy disassembly, which can avoid the loss of friction to the rotating structure. The structure is simple and easy to assemble, which is beneficial to the use of the brake pedal.

Description

technical field [0001] The invention belongs to the field of welding technology, and more specifically relates to a brake pedal structure of a welding fixture. Background technique [0002] The brake pedal is the pedal that limits the power, that is, the pedal of the foot brake. The brake pedal is used to decelerate and stop the rotating workpiece. A wheel or disc is fixed on the high-speed shaft of the machine, and it is installed on the machine base to match it. The brake shoes, belts or discs are used to generate braking torque under the action of external force, and the rotating parts are stopped quickly through friction. The welding fixtures currently used generally have a rotating function and need to be fixed with braking. [0003] Based on the above, the braking device used in the welding fixtures currently used is generally decelerated and fixed by direct friction between the braking structure and the rotating shaft, which causes greater wear and loss on the rotatin...

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