Fine stamping die and fine stamping method of automobile disc brake pad steel back

Abstract

The invention discloses and provides a fine stamping die and a fine stamping method of an automobile disc brake pad steel back. The fine stamping die of the automobile disc brake pad steel back comprises a die handle (1), a punch set (2), an upper base plate (3), a core die (4), a cavity die (5) and a die set(6), wherein the die handle (1) is arranged on the punch set (2) and the cavity die (5) is arranged on the die set(6); the fine stamping die of the automobile disc brake pad steel back comprises an elastic discharging device as well; the punch set (2), the upper base plate (3) and the elastic discharging device are sequentially connected through a screw (11), the core die (4) penetrates and is connected inside the elastic discharging device in a sliding mode, and the core die (4) and the elastic discharging device are both located above the cavity die (5). Based on the fine stamping die, the fine stamping method of the automobile disc brake pad steel back has the advantages of being high in efficiency, low in energy consumption, capable of effectively improving the quality of the product and low in production cost and being capable of effectively removing the defect caused by the normal stamping method.

Description

technical field [0001] The invention belongs to the stamping manufacturing field of auto parts, and in particular relates to a fine blanking method for a steel back of an automobile disc brake pad, and also relates to a fine blanking die for a steel back of an automobile disc brake pad. Background technique [0002] Automobile disc brake pad steel back is one of the important parts in automobile brake pads, such as figure 1 As shown, it is used to fix the friction material and at the same time facilitate the installation of the brake pad on the brake system. Therefore, the quality of the brake pad is greatly affected by the quality of the steel back section. The area and size of the fracture surface are directly related to whether the steel back can be used and its use effect. The larger the burr, the more uneven the fracture surface, and the greater the braking noise. , the braking effect is worse. At present, the steel back is mainly punched by ordinary stamping methods....

AI Technical Summary

Problems solved by technology

Therefore, the quality of the brake pad is greatly affected by the quality of the steel back section. The area and size of the fracture surface are directly related to whether the steel back can be used and its use effect. The larger the burr, the more uneven the fracture surface, and the greater the braking noise. , the worse the braking effect

At present, the steel back is mainly punched by ordinary stamping methods. Due to the imperfect design of the punching die, a large number of fracture surfaces and burrs inevitably appear on the punched surface of the punched part, which affects the performance of the steel back; or It increases the follow-up processing, prolongs the production cycle and greatly increases the production cost

Some manufacturers use three-action fine-blanking presses to punch, and the quality of the punched parts has been improved, but it has greatly increased the investment in production equipment and the production cost of the product, which is not conducive to the flexibility of enterprises with multiple specifications and small batches. production, thereby reducing the product competitiveness of the enterprise

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