气缸体双工位专用钻床总体及左主轴箱设计【13张图/13415字】【优秀机械毕业设计论文】

文档包括:
说明书一份,36页,13400字左右.
任务书一份.
开题报告一份.
翻译一份.

图纸共13张:
A0-机床总图.dwg
A0-加工示意图1.dwg
A0-加工示意图2.dwg
A0-箱体的补充加工图.dwg
A0-左主轴箱.dwg
A1-加工工序图.dwg
A1-前盖补充加工图.dwg
A2-主轴.dwg
A3-齿轮1.dwg
A3-齿轮2.dwg
A3-齿轮3.dwg
A3-从动轴.dwg
A4-生产率计算卡.dwg

目录
1前言 1
2 总体设计 3
2.1 总体方案论证 3
2.1.1 加工对象工艺性的分析 3
2.1.2 机床配置型式的选择 3
2.1.3 定位基准的选择 3
2.2 确定切削用量及选择刀具 4
2.2.1 选择切削用量 4
2.2.2 计算切削力、切削扭矩及切削功率 5
2.2.3 选择刀具结构 5
2.3 组合机床总体设计—“三图一卡” 6
2.3.1 被加工零件工序图 6
2.3.2 加工示意图 6
2.3.3 机床联系尺寸图 7
2.3.4 机床生产率计算卡 10
2.4 夹具轮廓尺寸的确定 14
3 组合机床左主轴箱设计 15
3.1 绘制左主轴箱设计原始依据图 15
3.2 主轴结构型式的选择及动力计算 17
3.2.1 主轴结构型式的选择 17
3.2.2 主轴直径和齿轮模数的初步确定 17
3.2.3 主轴箱动力计算 18
3.3 主轴箱传动系统的设计与计算 18
3.3.1 计算驱动轴、主轴的坐标尺寸 18
3.3.2 拟订主轴箱传动路线 18
3.3.3 传动轴的位置和转速及齿轮齿数 19
3.4 主轴箱中传动轴坐标的计算及传动轴直径的确定 22
3.4.1 传动轴坐标的计算 22
3.4.2 传动轴轴径的确定 25
3.5 轴的强度校核 26
3.6 齿轮校核计算 28
3.7主轴箱中传动轴坐标检查图的绘制 31
4 结论 32
参 考 文 献 33
致 谢 34
附 录 35
气缸体双工位专用钻床总体及左主轴箱设计
摘 要：本设计主要针对气缸体左、右两个面上43个孔的多工序加工、生产效率低、位置精度误差大的问题而设计的，从而保证孔的位置精度、提高生产效率，降低工人劳动强度。课题设计了一台气缸体双工位专用钻床。用于钻削气缸体一侧面上12×?30深110的挺柱孔，另一侧扩12×φ41、锪挺柱孔φ41端面，并钻削顶面12×φ8和7×φ6的水孔。该机床设计的重点是总体设计和部件设计两部分。总体设计包括机床配置型式的确定、结构方案的选择以及“三图一卡”的绘制。部件设计包括绘制左主轴箱设计原始依据图、确定主轴和齿轮、完成动力计算、设计传动系统、绘制多轴箱装配图和零件补充加工图。机床采用卧式双工位两面加工的方案，加工和装配工艺性好，零件装夹方便。采用液压滑台实现刀具进给，借助导套引导刀具实现精度和稳定的加工。主轴采用标准主轴，刀具选用复合麻花钻，使得工序集中。

关键词：气缸体；组合机床；结构设计；双工位；钻削

Design of General and left spindle Box of Modular Machine Tool for Cylinder Body
Abstract: This design is mainly directed at problems which are the low production efficiency and the big errors on their position precision when the machining of 43 holes on the right and left sides of the cylinder body are done separately in multi-working procedures. In order to guarantee their position precision of the holes, enhance production efficiency and reduce the labor intensity of workers, a modular machine tool for drilling the cylinder body is designed. The machine tool is used for drilling twelve tappet holes with the diameter 30mm and depth 110mm on one side of the cylinder body, expanding them and their bottom surfaces to the diameter 40mm on the other side, and drilling twelve diameter 8mm and seven diameter 6mm water holes. This topic is about the general design and the left spindle box design of the machine tool. The general design includes the arranging of the modular machine tool, the choosing of the structure plan and the completing of “three drawings and one card”(the working procedure drawing of the part machined, the general drawing of modular machine tool, the drawing of cutter display and the calculation card of productivity). The left spindle box design includes drawing the primitive basic chart for the gear box, determining the spindle and the gears, completing the power computation, designing the transmission system, drawing assembly drawing of the gear box and the supplementary processing charts of its parts. Machine tool takes the horizontal-type with double stations and both sides processing plan with the good technologic capability of processing and assemble. And it is convenient for parts to put into the clamp. The design uses the hydraulic pressure sliding table to realize the replenishment of cutting tool, and by the guide sleeves insures the processing precision and the stable machining. In order to the working procedure to be centralized, the main spindles use the standard ones and the cutting tools are the compound twist drills.
Key word: Cylinder body; Structural Design; Modular machine tool; Double Stations working; Drilling