一种汽车门板模具的限位块结构
By precisely matching the limiting block body with the guide slider and designing the elastic buffer, the problems of inconvenient adjustment and insufficient buffering in the existing automotive door panel mold limiting block structure are solved, achieving high-precision positioning and easy operation, and significantly improving the processing quality and production efficiency of the mold.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- QINGDAO JIANGZI MOULD CO LTD
- Filing Date
- 2025-08-20
- Publication Date
- 2026-07-17
AI Technical Summary
The existing limit block structure for automotive door panel molds suffers from problems such as inconvenient adjustment, decreased positioning accuracy, lack of buffer protection, and complex adjustment during long-term use, which affect the mold processing quality and production efficiency.
The design employs a precise fit between the limiting block body and the guide slider, combined with the threaded adjustment mechanism of the adjusting screw and the buffer protection function of the elastic buffer. Through the sliding fit between the concave positioning groove of the limiting block body and the guide slider, the workpiece can be accurately positioned and adjusted. The elastic buffer absorbs the impact force, and the fixed seat provides a stable installation foundation.
It improves the positioning accuracy and production efficiency of mold processing, extends the service life of molds, and ensures the protection of workpieces and ease of operation.
Smart Images

Figure CN224508246U_ABST
Abstract
Claims
1. A check block structure of an automobile door panel mold, characterized by, include: The system comprises a limiting block body, a guide slider, an adjusting screw, an elastic buffer, and a fixed base. The limiting block body has a rectangular parallelepiped structure with a concave positioning groove on its front end and a threaded hole on its rear end. The guide slider has a T-shaped cross-section, with its longitudinal boss slidingly inserted into the concave positioning groove of the limiting block body, and its transverse base plate located outside the front end of the limiting block body. The adjusting screw's front end is screwed into the threaded hole on the rear end of the limiting block body, and a handwheel is fixedly connected to its rear end. The elastic buffer has a cylindrical structure, is fitted onto the middle section of the adjusting screw, and its front end abuts against the rear end of the limiting block body, while its rear end abuts against the front end of the handwheel. The fixed base has an L-shaped structure, with its horizontal plate fixed to the mold base plate by four bolts, and its vertical plate fixed to the side of the limiting block body by two bolts.
2. The stopper structure of the automobile door panel mold according to claim 1, wherein The concave positioning groove of the limiting block body has a depth of 8 mm to 12 mm, a width of 15 mm to 20 mm, and a length of 40 mm to 50 mm; the fitting clearance between the longitudinal boss portion of the guide slider and the concave positioning groove is 0.05 mm to 0.15 mm, and the thickness of the transverse base plate portion of the guide slider is 5 mm to 8 mm.
3. The stopper structure of the automobile door panel mold according to claim 2, wherein The adjusting screw has an M16×2 thread specification and a screw length of 80 mm to 120 mm; the handwheel has a diameter of 60 mm to 80 mm, and the outer circumferential surface of the handwheel is provided with anti-slip texture; the handwheel and the adjusting screw are connected by an interference fit.
4. The stopper structure of the automobile door panel mold according to claim 3, wherein The guide slider has an arc-shaped guide surface at the front end of the transverse base plate portion, with an arc radius of 8 mm to 15 mm; the guide slider has parallel guide surfaces on both sides of the longitudinal boss portion, with a surface roughness of Ra0.8 to Ra1.
6.
5. The check block structure of an automobile door panel mold according to claim 4, wherein The surface of the adjusting screw is provided with a blackening treatment layer, and the front end of the screw is provided with a tapered guide section with a cone angle of 30 degrees to 45 degrees and a length of 5 mm to 10 mm.
6. The check block structure of an automobile door panel mold according to claim 5, wherein The front and rear faces of the elastic buffer are provided with annular protrusions, the height of which is 1 mm to 2 mm and the width of which is 3 mm to 5 mm.
7. The check block structure of an automobile door panel mold according to claim 6, wherein The connection between the horizontal plate portion and the vertical plate portion of the fixing seat is provided with a transition fillet, the radius of which is 8 mm to 12 mm; the surface of the fixing seat is provided with an anti-rust coating.