Stamped fixed plate of fuel injector and its processing method and assembly tooling
A processing method and stamping technology, applied in metal processing equipment, auxiliary devices, manufacturing tools, etc., can solve the problems of high scrap rate, high manufacturing cost, and complex processing, and achieve convenient processing, low product scrap rate, and cost reduction. Effect
Active Publication Date: 2018-03-09
ZHEJIANG LIMING INTELLIGENT MFG CO LTD
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- Abstract
- Description
- Claims
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Problems solved by technology
[0004] In order to solve the problems of complex follow-up machining, high scrap rate and high manufacturing cost of the fuel injector fixed plate manufactured by traditional casting and forging, the present invention provides a stamped fixed plate of fuel injector and its processing method and assembly tooling
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[0029] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0030] In the example, such as figure 1 , figure 2 , image 3 , Figure 7 As shown, a fuel injector punching type fixing plate includes two oppositely arranged bent plates 5, and the bent plate 5 includes a first bent part 51, a second bent part 53 and a connecting first bend The transition portion 52 between the folding portion 51 and the second bending portion 53, the first bending portion 51 includes the inner wall A of the first bending portion, the outer wall B of the first bending portion, the upper side wall D of the first bending portion and The lower side wall E of the first bending part, the second bending part 53 includes the outer wall C of the second bending part and the lower side wall F of the second bending part, the inner wall A of the first bending part is provided with a semicircular groove 54, The outer end of the No. 1 bending ...
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Abstract
The invention discloses a stamping type fixing plate of an oil atomizer and a machining method and assembly tool thereof. The problems that an oil atomizer fixing plate manufactured through a traditional casting forging is complex in subsequent machine machining and high in rejection rate and manufacturing cost. The stamping type fixing plate of the oil atomizer comprises two oppositely-installed bent plates, each bent plate comprises a first bent portion, a second bentportion and a transition portion, wherein the first bent portion and the second bent portion are connected through the transition portion, a semicircular groove is formed in the inner wall of the first bent portion, and a first through hole is formed in the outer end of the first bent portion; the first bent portions of the two bent plates are oppositely attached to each other; the attached parts, near the transition portions, of the two first bent portions are mutually welded; the two first through holes are fixed through a rivet; the two second bent portions form a clamping part; the two semicircular grooves form a compressing hole; and the two first bent portions form a compressing part. According to the stamping type fixing plate of the oil atomizer, the two machined bent plates constitute the oil atomizer fixing plate in the riveting and welding mode, machining is convenient, the rejection rate of products is low, and manufacturing cost is greatly reduced.
Description
technical field [0001] The invention relates to the technical field of engines, in particular to a stamped fixing plate of a fuel injector, a processing method and an assembly tool thereof. Background technique [0002] The fuel injector fixing plate generally includes the fixing plate body, in which there is a pressing hole, and fixing bolts are installed in the pressing hole. One end of the fixing plate body is a clamping part for clamping the fuel injector (the other end is The pressing part pressed on the cylinder head. The fixed plate of the engine injector of the auto parts enterprises in my country is mostly forged with medium carbon steel or medium carbon alloy steel such as 40Cr, then heat treated and tempered, and then machined. The forged injector The subsequent machining of the fixed plate is relatively complex and cumbersome, with a high scrap rate and high manufacturing costs. [0003] With the development of science and technology and the continuous improvement...
Claims
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IPC IPC(8): B21C37/02B23P15/16B23K37/04
CPCB21C37/02B23K37/0443B23P15/16
Inventor 俞黎明
Owner ZHEJIANG LIMING INTELLIGENT MFG CO LTD