Split die-casting single-cylinder water-cooling diesel engine water tank
A diesel engine and single-cylinder technology, applied in mechanical equipment, engine components, machines/engines, etc., can solve the problems of increasing water tank material consumption and energy consumption, and achieve the effects of improving market competitiveness, less casting defects, and improving connection strength
Active Publication Date: 2013-06-05
江苏鑫田柴油机有限公司
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Problems solved by technology
In order to reduce the defects of traditional casting water tanks, the existing technology usually solves it by increasing the wall thickness, which will increase the material consumption and energy consumption of the water tank
Under the condition of ensuring the strength of the water tank, how to minimize the consumption of aluminum alloy materials, improve the smoothness of the inside and outside of the water tank, effectively reduce the defects such as cold shut, shrinkage cavity shrinkage, and uneven wall thickness in the casting process of the water tank, and further reduce production costs. Problems to be solved urgently by those skilled in the art
Method used
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[0024] A split die-cast single-cylinder water-cooled diesel engine water tank, composed of an upper box 1 and a lower box 2, the wall thickness of the upper box 1 and the lower box 2 is 2mm, and a water filling device is installed on the top surface of the upper box 1 The hole 11 is provided with upper body vertical reinforcing ribs 12 on the inner side of the surrounding side walls of the upper box body 1, upper body transverse reinforcing ribs 13 are provided on the inner top surface of the upper box body 1, and a body is provided on the bottom surface of the lower box body 2. The water cavity through hole 21 is provided with a lower body vertical reinforcing rib 22 on the inside of the side walls around the lower casing 2, and a lower body transverse reinforcing rib 23 is provided on the inner bottom surface of the lower casing 2. There are more than two positioning pins 14, and the same number of positioning holes 24 as the positioning pins 14 are provided on the butt joint...
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Abstract
A split die casting type single-cylinder water-cooling diesel engine water tank comprises an upper tank body and a lower tank body, wherein a water feed inlet is formed in the top surface of the upper tank body, a plurality of reinforcing ribs are arranged on the inner wall of the upper tank body, an engine body water cavity through hole is formed in the bottom of the upper tank body, a plurality of reinforcing ribs are arranged on the inner side wall of the lower tank body, the upper tank body and the lower tank body are fixedly connected into a whole in a sealing mode through welded joint, a butt joint locating structure is arranged on a butt joint surface of the upper tank body and the lower tank body, the but joint surface of the upper tank body and the lower tank body is in a unilateral opening butt joint structure or a bilateral opening butt joint structure. The advanced technology of metal mold precise die-cast formation is applied to the upper tank body and the lower tank body. The thickness wall can be precisely controlled within 1.5mn-2mm, and reinforcing ribs can be accurately added to the inner cavity side walls of the upper tank body and the lower tank body optionally. The split die casting type molding and the butt joint welding sealing fixing structure are good in sealing performance, less in casting defect, even in wall thickness, less in material, high in efficiency, low in cost and flat and smooth in appearance.
Description
technical field [0001] The invention relates to a water tank for a single-cylinder diesel engine, in particular to an aluminum casting water tank for a single-cylinder water-cooled diesel engine. Background technique [0002] The cooling water tank is an indispensable part of the water-cooled diesel engine. Because the aluminum alloy material has excellent heat dissipation function and corrosion resistance, the single-cylinder water-cooled diesel engine is preferably made of aluminum alloy material. The existing single-cylinder water-cooled diesel engine is made of aluminum alloy integral sand Die casting process, the wall thickness of this pouring aluminum alloy water tank is large, the casting process is complicated, the material consumption is high, the casting quality is difficult to guarantee, and it is easy to produce cold shut, shrinkage cavity shrinkage, sticky sand, and uneven outer surface defects. Leakage and shattering are prone to occur. At the same time, due t...
Claims
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Inventor 余芳许强许锁华
Owner 江苏鑫田柴油机有限公司