A mold for increasing the roughness of the steel back of an automobile brake pad

By using a separate upper and lower mold base design and a barbed template structure, the problems of environmental pollution and high equipment costs in the roughness processing of automotive brake pad steel backing are solved, achieving environmentally friendly and efficient roughness processing of steel backing and improved stability.

CN224508228UActive Publication Date: 2026-07-17YANTAI CHENGYU AUTO PARTS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
YANTAI CHENGYU AUTO PARTS CO LTD
Filing Date
2025-07-15
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing processes for roughening the steel backing of automotive brake pads suffer from environmental pollution, unstable bonding strength, extended production processes, high equipment investment, and high maintenance costs. Furthermore, traditional mold structures are complex, making it difficult to control mold closing accuracy.

Method used

It adopts a separate upper and lower mold base design, combined with barbed template and buffer plate structure. The template can be moved accurately through guide columns. The barbs form the required roughness on the steel back surface, avoiding chemical etching and sandblasting processes, simplifying the production process and improving mold closing accuracy.

Benefits of technology

It achieves environmentally friendly and efficient steel back roughness processing, reduces production costs and equipment investment, and improves processing stability and the service life of mold wear parts.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a mould of increasing roughness of automobile brake pad steel back, including base, the lower buffer board and lower die seat of laminating in proper order, be equipped with the upper die seat in lower die seat top, the upper die seat connects the upper buffer board, upper die carrier and presser frame in proper order, and the template of being provided with barb is embedded in the upper die seat bottom, and lower die seat and upper die carrier are connected through the guide column, and lower die seat is equipped with the limiting slot, and the both sides of upper die seat have locking block, positioning block and limiting block. This mould moves through the upper die structure of presser frame drive, utilizes barb to process steel back, avoids the environmental pollution of chemical etching and the stress concentration problem of sand blasting process, simplifies the process, and reduces the cost.
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Claims

1. A mold for increasing the roughness of the steel back of an automotive brake pad, characterized by, The system includes a base (6), on which a lower buffer plate (5) and a lower mold base (4) are stacked in sequence. An upper mold base (10) is provided above the lower mold base (4). An upper buffer plate (11), an upper mold frame (2), and a lower pressure frame (1) are connected in sequence on the upper mold base (10). A template (13) is embedded at the bottom of the upper mold base (10). The lower surface of the template (13) is provided with barbs (14). The lower mold base (4) and the upper mold frame (2) are connected by a guide post (3). The lower mold base (4) is provided with a limiting groove (7). The guide post (3) vertically penetrates the upper mold frame (2) and is fixed to the lower mold base (4).

2. A die for increasing the roughness of the steel back of an automotive brake pad according to claim 1, wherein The lower buffer plate (5) is sandwiched between the base (6) and the lower mold base (4). The lower mold base (4) is fixed to the lower buffer plate (5) by bolts. The limiting groove (7) is opened on the upper surface of the lower mold base (4). Its shape is adapted to the edge of the steel back to be processed and is used to support and limit the steel back.

3. The mold for increasing the roughness of the steel back of the automobile brake pad according to claim 1, wherein The upper buffer plate (11) is fixed between the upper mold base (10) and the upper mold frame (2). The upper mold base (10) is connected to the upper buffer plate (11) by bolts. The lower pressure frame (1) is fixedly connected to the upper mold frame (2). It can drive the upper mold frame (2) and the upper mold base (10) to move up and down along the guide column (3), so that the barbs (14) on the template (13) are close to or away from the lower mold base (4).

4. The die for increasing the roughness of the steel back of an automobile brake pad according to claim 1, wherein The template (13) is fixed to the bottom of the upper mold base (10) by bolts. The barbs (14) are conical structures and integrally formed on the lower surface of the template (13). The barbs (14) are distributed in an array, with gaps between adjacent barbs (14). Their distribution area is adapted to the surface to be processed of the steel back.

5. The die for increasing the roughness of the steel back of an automotive brake pad of claim 1 wherein, The upper mold base (10) is symmetrically provided with locking blocks (8) on the left and right sides, which are connected to the upper mold frame (2) by screws.

6. A die for increasing the roughness of the steel back of an automotive brake pad according to claim 5, wherein The upper mold base (10) has positioning blocks (9) and limiting blocks (12) on its front and rear sides by screws.