Opening and closing mold for manufacturing split cylinder liner blank body
A split and blank technology, which is applied in the field of split molds, can solve the problems of increased processing and manufacturing costs, low processing pass rate, and low production efficiency of production enterprises, and achieve the goals of saving raw materials, high processing pass rate, and low mold manufacturing costs. Effect
Inactive Publication Date: 2012-09-05
ANHUI PROVINCE YUEXI CYLINDER
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Problems solved by technology
Such a cylinder liner blank will lead to a large machining allowance in subsequent processing and a low processing pass rate, which not only wastes raw materials, increases the processing and manufacturing costs of the production enterprise, but also lowers production efficiency.
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[0012] The open-close mold for making the slit-type cylinder liner blank body consists of a locking mold base 1, an upper half mold 2, a lower half mold 3, a flange plate 4, a taper sleeve 5, a revolving pin 9, an upper joint 10, and a lower joint 11. constitute. One end of the locking formwork 1 is equipped with a flange 4 through bolts, and the internal thread on the flange 4 is fixed to the external thread at the end of the main shaft 14, and the entire open-close mold is fixed on the main shaft of the centrifugal casting machine. 14 on. The inside of the locking mold base 1 is equipped with a taper sleeve 5, and the upper joint 10 and the lower joint 11 are installed on the rotating pin 9 in the locking mold base 1, and the upper joint 10 and the lower joint 11 respectively pass through the concave bayonet 12 on it. Connect with the snap ring at one end of the upper half-mold 2 and the lower half-mold 3, and lock the upper joint 10 and the upper half-mold 2, the lower joi...
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The invention relates to an opening and closing mold for manufacturing a split cylinder liner blank body, and belongs to the technical field of manufacturing of engine cylinder liner blank bodies. The mold consists of a locking mold frame, an upper half mold, a lower half mold, a flange plate, a conical sleeve, a rotating pin, an upper joint and a lower joint, wherein the flange plate is arrangedat one end of the locking mold frame; the upper joint and the lower joint are arranged on the rotating pin in the locking mold frame and connected with the upper half mold and the lower half mold; concave annular grooves consistent with the external surface of the cylinder liner blank body are formed on the inner walls of the upper half mold and the lower half mold; and an upper mold opening slide rail and a lower mold opening slide rail are formed on the outer walls of the upper half mold and the lower half mold. The upper half mold and the lower half mold are pushed to move forwards and be opened in a rotating mode by the upper joint and the lower joint, so that the problems that the conventional cylinder liner blank body can only be made into a hollow cylinder with taper by a whole pouring mold, machining allowance is high, machining yield is low, raw materials are wasted and only a single blank piece is manufactured are solved. A demolding structure is simple, and the mold is low in manufacturing cost and convenient to maintain.
Description
technical field [0001] The invention relates to an open-close mold for making a split-type cylinder liner blank body, which belongs to the technical field of engine cylinder liner blank body manufacturing. Background technique [0002] The engine cylinder liner is one of the core components of the engine. The cylinder liner blank is manufactured by centrifugal casting. The existing cylinder liner blank is manufactured by centrifugal casting. Due to the mold problem, the structure of the cylinder liner blank body can only be made into a slightly tapered hollow cylinder, and only a single blank can be manufactured, "Diesel Engine" magazine, No. 2, 2000, pages 34-38, author: Zeng Xuebin, title It has been described in detail in Section 4.2 "Metal Die Design" of the article "Centrifugal Casting of Large Diesel Engine Cylinder Liners". Such a cylinder liner blank will lead to a large machining allowance during subsequent processing and a low processing pass rate, which not only ...
Claims
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IPC IPC(8): B22D13/10
Inventor 周国荣
Owner ANHUI PROVINCE YUEXI CYLINDER