纸盒成型机设计.doc

青岛农业大学 毕 业 论 文 设计 题 目 纸盒成型机设计 姓 名 学 院 机电工程学院 专 业 机械设计制造及其自动化 班 级 2008 02 学 号 20082508 指导教师 2012 年 06 月 18 日 目 录 摘 要 Abstract 1 绪 论 1 1 1 各种包装纸盒及其分类 1 1 2 纸盒成型机设计的目的和意义 3 1 3 纸盒成型机国内外研究现状 3 2 设计主要研究的内容 7 3 纸盒成型机总体方案的确定 8 4 成型机各部件设计 9 4 1 凸轮连杆机构的设计 9 4 2 纵向和横向弯折板的设 计 12 4 3 侧壁纸舌弯折及涂胶机构的设 计 13 5 纸盒成型机相关参数的确 定 14 5 1 弹簧的设 计 14 5 2 带轮的设 计 17 5 3 轴的设计与强度校 核 18 5 4 锥齿轮的设计计 算 21 5 5 电动机的选 择 23 5 6 机体结构设 计 23 6 结 论 25 6 1 结 论 25 6 2 设计中的不 足 25 参考文 献 26 致 谢 27 纸盒成型机设计 摘 要 本文设计的粘贴式天地盖纸盒成型机 将已经经过剪裁和压痕的纸板进行一次性纸盒冲压成型 由于生产的纸盒尺寸可变 工作之前需要预先通过转动具有双向螺纹的长螺柱来调节纵向和横向弯板 间的距离 一次纸盒成型过程分为几个时间阶段 主要是通过已设计好的不规则轮廓的大小凸轮以及 成对的带轮和锥齿轮完成时间上的控制 纸板输送定位后 纸板随上可换冲头运动 先弯折带有纸舌 两侧的纸板 然后进行纸舌弯折涂胶 最后进行另外两侧纸板的弯折同时与经过表面涂胶的纸舌粘贴 成型完成后纸盒随下可换冲压头在弹簧作用力下返回至成型初始位置 在进行下一张纸板输送的同时 完成出料过程 通过协调各部分之间的运动时间关系完成在各个机构运动周期内的一次纸盒成型 该机型为全机械设计 具有整体尺寸小 机能可靠 生产周期短 并能方便调节产品尺寸进行产 品调整作业等优点 可以接入生产线流水作业 也能够进行单件少批量的生产 因此它对实际的生产 具有很多现实意义 关键词关键词 纸盒成型机 纸板弯折 凸轮连杆机构 齿轮齿条 圆锥齿轮 Design of Carton Forming Machine Abstract In this paper the bonded paste covered carton former is designed through a disposable press forming of a clipped and creased cardboard Due to the variable size of the production of the carton time control should be achieved by turning the irregularly big and small cam which has a two way screw and pairs of pulleys as well as bevel gears before the work begins After the cardboard conveying is positioned punch sport is brought on it and first the cardboard with tongue paper on two sides is bended then the tongue paper is folded and glued finally the cardboard on the other two sides is folded meanwhile stuck to the tongue paper glued on the surfa ce After formed the carton will return to the initial position under the spring force of the punch The ejection of compact process is finished while the following cardboard is being conveyed A long double screw bolt lined in a carton in the motion cycle of each institute is used to adjust the distance between the verti cal and horizontal bending cardboard through the coordination of the relationship between motion and time in different parts A carton former process is divided into several time stages mainly through the already designed type This type is a completely mechanical design having many advangtages such as small size reliable funct ion and short production cycle as well as adjusting the product size conveniently for the operation adjustment What s more it can not only join in the production line for line process it can also undertake a small amount of production for a single kind Therefore it has a lot of practical significance to the actual producti