Preparation method of basalt fiberboard spring
A technology of basalt fiber plate and leaf spring, which is applied in the field of preparation of basalt fiber leaf spring, can solve the problems of poor stiffness of leaf spring, complicated process, shortening service life of composite leaf spring, etc., achieves reduced production cost, high stiffness and strength, and extended service life The effect of longevity
Inactive Publication Date: 2017-03-22
四川点石玄武纤维科技有限公司
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Problems solved by technology
This molding method has complex procedures, low production efficiency, high product cost, and low strength of the connection between the coil ear and the leaf spring. When the leaf spring works for a long time, the joint between the coil ear and the leaf spring is prone to fatigue and fracture. The service life of the composite leaf spring is shortened, and the stiffness of the entire leaf spring is poor, and bending deformation is prone to occur when the bearing capacity is too large
Method used
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[0017] The present invention will be further described below in conjunction with accompanying drawing, protection scope of the present invention is not limited to the following:
[0018] Such as Figure 1~5 Shown, a kind of preparation method of basalt fiber leaf spring, it may further comprise the steps:
[0019] S1. Establish a three-dimensional model of the leaf spring according to the requirements of the leaf spring;
[0020] S2. To make the upper mold, first take a die A, and then mill the lower surface of the die A to form a cavity 2 that matches the profile of the upper surface of the leaf spring 1, and then mill the two ends of the cavity 2 to form a horizontal A cavity A3 with a semicircular cross-section, and finally process two strip-shaped grooves 6 with variable cross-section at the bottom of the cavity 2, so as to make an upper mold;
[0021] S3. To make the lower mold, first take a die B, then mill the upper surface of the die B to form a boss 4 that matches t...
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The invention discloses a preparation method of a basalt fiberboard spring. The preparation method comprises the following steps: (S2) an upper mold is manufactured; (S3) a lower mold is manufactured; (S4) the upper mold and the lower mold are filled with materials, and molding cores are mounted in the upper mold and the lower mold; and the top of a boss (4) and a cavity B (5) are filled with mixed materials consisting of resins, basalt fibers and fiber cloth; mixed materials consisting of resins, basalt fibers and fiber cloth are fully filled in a molding cavity (2), a cavity A (3) and a variable-section strip-shaped groove (6); the upper mold is buckled at the top of the lower mold; it is guaranteed that the cavity A (3) is matched with the cavity B (5) to form a complete hollow circle; and a molding core (7) is inserted in the hollow circle to realize material filling and molding core installation in the upper mold and the lower mold; and (S5) the basalt fiberboard spring is molded by compression. The preparation method has the beneficial effects of the simple manufacturing process, reduction of the production cost, higher rigidity and strength and prolonging of the plate spring service life.
Description
technical field [0001] The invention relates to the technical field of production of basalt fiber leaf springs, in particular to a preparation method of basalt fiber leaf springs. Background technique [0002] Existing automobile composite leaf springs are straddled and installed on the automobile suspension through roll ears, which mainly play the role of shock absorption. The composite leaf springs are first formed by molding or winding and then added with roll ears on the left and right ends of the leaf springs. Yes, if the roll lug is made of composite material, the roll lug and the leaf spring are formed separately and then glued to the end of the leaf spring; if the roll lug is made of metal material, the roll lug is glued and rivet reinforced Connect to the left and right ends of the leaf spring. This molding method has complex procedures, low production efficiency, high product cost, and low strength of the connection between the coil ear and the leaf spring. When t...
Claims
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Patent Timeline
Login to View More IPC IPC(8): B29C43/02B29C33/30B29C33/38C08K7/10
CPCB29C43/02B29C33/305B29C33/3842C08K7/10C08L101/00
Inventor 唐明邓泓霞贾睿刘博文
Owner 四川点石玄武纤维科技有限公司