Vehicle brake-holder block steel-back and sound deadening chip bonding processing method

Abstract

A steel backing and bloop welding method of auto brake pad comprises the following steps: arranging a transmission belt, a positioning baffle on one side of the transmission belt, a photosensor on one side of the positioning baffle; assembling a steel backing and a bloop of an auto brake pad; leaning against the back side of the positioning baffle; arranging on the moving transmission belt flatly; stopping the transmission belt when the photosensor senses a certain characteristic position of a workpiece; descending an electrode to carry out welding; returning the electrode; driving the transmission belt to move; and repeating the above process to achieve continuous and repeated production. The production efficiency of the method is improved remarkably in comparison with riveting method and adhesion method; the fixation strength is improved to prevent displacement and falling off of bloop adhesive; the steps are reduced to obviate scratching and collision and to improve the product appearance; the consumption is reduced, the cost is lowered and the economical benefit is improved; the bloop production process is simplified; and the vibration and braking noises of the brake are reduced to improve the comfortability.

Description

Technical field: [0001] The invention relates to a method for preparing a brake pad in the field of auto parts industry, in particular to a method for welding a steel back of an automobile brake pad and a sound-absorbing pad. Background technique: [0002] At present, there are mainly the following types of connection methods between brake pads and noise-absorbing sheets (also called shock-absorbing sheets) in the industry: (1) Bonding method of sound-absorbing sheets: apply a layer of adhesive on the back of the sound-absorbing sheets, and rely on the bonding of the glue to reduce the noise. This method requires the use of adhesives, high cost, low efficiency, low bonding strength, and the sound-absorbing sheet is easy to fall off and slip; (2) The riveting method of the stretching point of the sound-absorbing sheet: stamping the stretching point on the surface of the steel back, relying on pulling Stretch point riveting to fix the sound absorbing sheet, this method increas...

AI Technical Summary

Problems solved by technology

[0002] At present, there are mainly the following types of connection methods between brake pads and noise-absorbing sheets (also called shock-absorbing sheets) in the industry: (1) Bonding method of sound-absorbing sheets: apply a layer of adhesive on the back of the sound-absorbing sheets, and rely on the bonding of the glue to reduce the noise. This method requires the use of adhesives, high cost, low efficiency, low bonding strength, and the sound-absorbing sheet is easy to fall off and slip; (2) The riveting method of the stretching point of the sound-absorbing sheet: stamping the stretching point on the surface of the steel back, relying on pulling Stretch point riveting to fix the sound absorbing sheet, this method increases the complexity of the steel back stamping die and sound absorbing sheet punching die; (3) Rivet riveting under the sound absorbing sheet (no stretch point model on the steel back): the sound absorbing sheet needs to be glued Fixing, drilling, scribing, rivet riveting, etc., many production processes, serious appearance scratches, low production efficiency, high production cost

Images