毕业设计 (模具)空气滤清器壳正反拉伸复合模设计 - 模具设计类 -

摘  要
 

随着中国工业不断地发展，模具行业也显得越来越重要。本论文便是设计加工空气滤清器壳的 [来源：http://www.think58.com]

模具。首先对加工零件进行了加工工艺和结构工艺的分析。通过计算毛坯尺寸和拉深系数提出 [资料来源：http://THINK58.com]

了四种方案，最后确定采用落料、正反拉深复合模。对模具的排样做出了合理的布置，使材料

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利用率达到较高的水平。计算了冲压过程中所需要的各种冲压工艺力，包括落料力、卸料力、 [来源：http://think58.com]

压边力、拉深力、顶料力等，并对压力机进行了合理的吨位初选。复合模在结构上采用了正装 [资料来源：www.THINK58.com]

的形式，计算出了落料、正拉深和反拉深工作部分的尺寸。对模具的闭合高度进行了合理的确 [资料来源：http://www.THINK58.com]

定，还设计出模具的主要零件落料凹模、凸凹模、反拉深凸模、反拉深凹模、凹模固定板等。

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列出了模具所需零件的详细清单，并给出了合理的装配图。由于拉深的深度较大，对压力机的

电机也进行了功率校核并提出了润滑的附加工序，能使拉深顺利完成。最后对模具的一个主要

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零件导套进行了简单的加工工艺路线的制定。本设计对于采用单动压力机进行正反拉深具有一 [版权所有：http://think58.com]

定的参考作用。

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关键词  毕业论文；模具设计；复合模；正反拉深

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ABSTRACT

Develops unceasingly along with the Chinese industry, the mold profession also

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appears more and more importantly. The present paper then is designs the

processing air filter shell the mold. First has carried on the processing craft [版权所有：http://think58.com]

and the structure craft analysis to the processing components. Proposed through [来源：http://think58.com]

the computation semifinished materials size and the drawing coefficient four kind [资料来源：http://www.THINK58.com]

of plans, finally determined uses falls the material, the pro and con drawing [资料来源：http://think58.com]

superposable die. Has made the reasonable arrangement to the mold platoon type, [版权所有：http://think58.com]

enables the material use factor to achieve the high level. Has calculated each [资料来源：http://think58.com]

ramming craft strength which in the ramming process needs, including falls nearby

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the material strength, the ex-denning strength, the pressure the strength, the [来源：http://think58.com]

drawing strength, the top material strength and so on, and has carried on the [资料来源：http://think58.com]

reasonable tonnage primary election to the press. The superposable die has used

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the true thing form in the structure, calculated fell the material, the drawing

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and the counter- drawing effective range size. Closed has carried on the

reasonable determination highly to the mold, but also designs the mold the major

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parts to fall the material concave mold, the convex-concave mold, the counter- [资料来源：http://www.THINK58.com]

drawing raised mold, the counter- drawing concave mold, the concave mold dead

plate and so on. Listed the mold to need the components the detailed detailed

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list, and has produced the reasonable assembly drawing. Because the drawing depth

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is big, also carried on the power to the press electrical machinery to examine and [来源：http://think58.com]

to propose the lubrication attachment working procedure, could cause the drawing [资料来源：http://think58.com]

smoothly to complete. Finally led the wrap to mold major parts to carry on the

simple processing craft route formulation. This design regarding uses the single [资料来源：www.THINK58.com]

acting press to carry on the pro and con drawing to have the certain reference

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function.
                                                                     
Key words  graduation thesis; mold design; superposable die; pro and con drawing

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目  录

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1  分析零件的工艺性
2  确定工艺方案 
2.1  计算毛坯尺寸 
2.2  计算拉深次数 
2.2.1  正拉深 
2.2.2  反拉深 
2.3  确定工艺方案 
3  主要工艺参数的计算 
3.1  确定排样、裁板方案 
3.2  确定各中间工序尺寸 
3.3  计算工艺力、初选设备 
3.3.1  落料、正拉深过程 
(1) 落料力 
(2) 卸料力 
(3) 拉深力 
(4) 压边力 
3.3.2  反拉深过程 
(1) 反拉深力 
(2) 顶料力 
3.3.3  拉深功的计算 
3.3.4  初选压力机 
4  模具的结构设计 
4.1  模具结构形式的选择 
4.2  模具工作部分尺寸计算 
4.2.1  落料 
4.2.2  正拉深 
4.2.3  反拉深 
5  选用模架、确定闭合高度 
5.1  模架的选用 
5.2  模具的闭合高度 
5.3  压力中心 
6  模具的主要零部件结构设计 
6.1  落料凹模 
6.2  凸凹模 

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