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摘要 伴隨著我國加快經(jīng)濟體制改革步伐并順利加入 WTO 中央空調行業(yè) 及其他各行各業(yè)都面臨史無前例的挑戰(zhàn)和機遇 家用中央空調應用范圍 為 80 800m2 住宅 但是隨著我國房地產(chǎn)行業(yè)的突飛猛進 100m2 以上的 住宅在如今樓盤建設中比例越來越大 這就直接為中央空調提供了晉級 空間 空調核心的制冷部件是冷凝管 制冷裝置的重要原材料就是冷凝管 是制冷劑的運輸通道 就現(xiàn)在看來冷凝管主要由彎管機生產(chǎn) 全自動盤 料彎管機彎曲裝置是彎管機不可缺少的一部分 由彎曲模 夾緊模 托 架 夾緊油缸 彎曲油缸 托架油缸 彎曲齒條 軸承座 彎曲齒輪等 構成 銅管經(jīng)過導向套筒從彎曲模和夾緊模之間穿入全自動彎管機主機 的芯軸桿上 然后夾緊模將銅管夾緊在兩模之間 同時托架上升托住銅 管 彎曲裝置向前翻轉作 180 彎曲 將銅管彎制成 U 型管 本設計對彎管機盤管彎曲裝置進行了總體結構 彎曲模 夾緊模的 設計 對齒輪齒條進行了計算與校核 對軸承進行了選擇與校核 對軸 進行了設計與校核 并選取了動力系統(tǒng) 論述了彎管機彎曲裝置的調整 故障及其處理方法 關于自動彎管彎管機底部凹模 模角一般為 86 86 在行程的底 部 集約應具有比之間的間隙的材料厚度略大 為了提高成形角度 因 為一個底模彎曲大 約 4 倍 降低的彎曲半徑范圍通常導致回彈應力 沖壓具有底部彎曲模具彎曲是相同的 只是把打孔處理的前端成為需要 的彎曲半徑 而密集的間隙小于該材料在沖程的底部的厚度 由于施加 足夠的壓力彎曲 約 10 倍 力沖前接觸材料 基本上避免了回彈 為 了選擇最小噸位規(guī)格 最好是大于所述彎曲半徑的材料厚度來規(guī)劃 并 盡可能通過自由彎曲的方法 當彎曲半徑是較大 往往不影響片的質量 和它在將來使用 精密的彎曲精度要求需要慎重考慮 正是這個因素 決定了你需要考慮數(shù)控彎管機或手動彎管機 如果彎曲精度不能改變 必須注重數(shù)控機床上 數(shù)控彎管機滑塊重復精度為 0 0004 英寸 形成一 個精確的角應該在精確度良好的模具中使用 手動彎管機滑塊重復精度 0 002 英寸 并使用適當?shù)哪＞叩那闆r下通常產(chǎn)生的加或偏差 2 3 此外 數(shù)控彎管機 以裝載準備得快 當你需要彎曲 許多小批量 零件 這是一個毫無疑問的考慮的原因 即使你有一個完整的模具模架 不要以為這些模具適合于新機 必須檢查每模具的磨損和方法是在沖頭 前端到肩和凹模之間肩長度的長度的量度 對于常規(guī)的模具中 偏差應 每英尺左右 0 001 英寸 并且偏差不超過 0 005 英寸正負的總長度 作 為用于精磨模具 每英尺精度應 0 0004 英寸 總精度可能不大于 0 002 英寸 最好細磨用于數(shù)控彎管機 常規(guī)模具用于手動彎管機模具 事實上 我們也常弄得只買新的彎管機 買不到合適的模具來匹配錯誤 彎曲人們常常被忽略的一個因素是在管彎曲機彎曲長的前方的材料 低 碳鋼板彎曲 90 7 5 噸壓力彎管機很可能將被收取的鋼頂起來 操作 員必須作好準備為 280 的指標沿 5 10 英尺 10 鎊的假設直降 可能需要幾 個強勢的工人甚至一臺起重機 彎曲彎管機操作員往往需要很長的側面 部分 但不知道他們多么努力工作 現(xiàn)在有適于從事這項工作車間的保 持器裝置 該裝置可根據(jù)新的和舊的機器的需求進行修改 使用彎管機 模具設備 形成長邊的部分 關鍵詞 彎曲齒輪 彎曲齒條 彎曲模 軸承座 油缸 Abstract With the accelerated pace of China s economic reform and the WTO central air conditioning industry with other industries faced with unprecedented challenges and opportunities Home central air conditioning is suitable for 80 800mm2 residential as China s housing industry 100mm2 or more new residential housing in the proportion is growing This provides central air conditioning provides a huge space for development In the air conditioned interior plays an important cooling components are reusable condenser Condenser refrigeration apparatus is an important raw material is a refrigerant channel Condenser tube bending machine depends mainly on the production automatic plate feeding tube bender bending device is a part of the bending mold mold clamp bracket clamp cylinder bending cylinders cylinder bracket bend the rack bearing bent gear and other accessories Brass through the guide sleeve and clamping mold from bending mode between automatic bending machine host penetration mandrel rod and then the brass clamping mold mold clamping between the two while boosting the bracket up brass flip forward bending device for 180 bend bend the copper tube into the U tube The design of the coil for pipe bender bending device for the overall structure of the bending mold mold clamping design rack and pinion were calculated and checked A selection of the bearing and checked The shaft is designed and checked And select the power system discusses bender bending device adjusting the fault and its treatment About the automatic bending pipe bender a bottom concave die die Angle generally is 86 86 In the bottom of the stroke intensive should have a slightly larger than the material thickness of the gap between To improve the forming Angle because a bottom die bending the large tonnage of bends about 4 times reduced the bending radius range usually cause the springback stress Stamping bending with a bottom bending die are the same just put the front end of the punch processing became the bending radius of the need and intensive clearance is less than the thickness of the material at the bottom of the stroke Due to exert enough pressure bends about 10 times force punch front contact material basically to avoid the springback In order to select the minimum tonnage specifications the best is greater than the material thickness of the bend radius to plan and as far as possible by free bending method When bending radius is bigger often do not affect the quality of the pieces and its use in the future Precision bending precision demand is a need careful consideration it is this factor determines the you need to consider a CNC pipe bending machine or manual pipe bender If bending accuracy 1 and cannot be changed you must focus on CNC machine CNC pipe bender slider repeat accuracy is 0 0004 inches forming a precise Angle that should be used in the precision and good mould Manual pipe bender slider repeat precision of 0 002 inches and under the condition of using appropriate mould generally produces the deviation of plus or minus 2 3 In addition CNC pipe bender to prepare for loading die quickly when you need to bend many small batch parts this is a no doubt consider the reasons Die even if you have a shelf full of die don t think that these mould is suitable for the new machine Must be checked every mould wear and method is a measure of the length of the punch front end to shoulder length between the shoulder and concave die For conventional mold deviation should be per foot around 0 001 inches and the deviation is not more than plus or minus the total length of 0 005 inches As for fine grinding mould per foot accuracy should be 0 0004 inches the total accuracy may not be greater than 0 002 inches Best to fine grinding mould used for CNC pipe bender conventional mold for manual pipe bender Indeed we are often made to buy only the new pipe bender and don t buy the right mold to match error Bending side people often ignored one factor is the material in front of the tube bending machine bending length Assumptions along a 5 x 10 feet 10 the gauge of low carbon steel plate bending 90 7 5 tons of pressure pipe bender probably will be charged on the steel top up and the operator must be geared up for the 280 pound straight down Make the parts may need several strong workers even a crane Bending the pipe bending machine operator often need long side parts but don t realize how much they work hard Now there is a retainer device suitable for the workshop engaged in this work the device can be modified according to the needs of new and old machine Using the pipe bending machine mould device forming long side parts only one operator Keywords bending gear bending rack flexural modulus bearing cylinder 目 錄 引 言 1 第一章 彎管機概述 4 1 1 彎管機的發(fā)展概況 4 1 2 彎管機研究的意義和價值 5 1 3 彎管機構成及工作原理 5 1 3 1 彎管機的構成 5 1 3 2 彎管機的工作原理 5 第二章 全自動盤料彎管機彎曲裝置概述 6 2 1 全自動盤料彎管機彎曲裝置的組成及工作原理 6 2 2 全自動盤料彎管機彎曲裝置的規(guī)格 6 第三章 全自動盤料彎管機彎曲裝置的結構設計 7 3 1 全自動盤料彎管機彎曲裝置總體的結構設計 7 3 2 彎曲模和夾緊模的設計 8 3 2 1 回彈角的計算 8 3 2 2 影響回彈的因素 8 3 2 3 彎曲模和夾緊模工作原理 9 3 3 齒輪齒條的設計 10 3 3 1 齒輪傳動的優(yōu)點 10 3 3 2 齒輪的幾何尺寸計算 10 3 3 3 齒輪的接觸疲勞強度校核 11 3 3 4 齒輪的彎曲疲勞強度校核 12 3 4 軸承的選擇與校核 13 3 4 1 軸承的選擇 13 3 4 2 所選系列軸承的性能特點 13 3 4 3 軸承的壽命校核 13 3 4 4 軸承的靜強度校核 14 3 4 5 軸承的極限轉速校核 15 3 5 軸的設計 15 3 5 1 軸的直徑計算 15 3 5 2 軸的校核 15 第四章 全自動盤料彎管機彎曲裝置的結構設計 19 4 1 全自動盤料彎管機彎曲裝置油缸的選擇 19 4 2 全自動盤料彎管機彎曲裝置液壓泵的選擇 19 4 2 1 液壓泵的選擇 19 4 2 2 V 型柱塞泵的參數(shù) 21 4 2 3 V 型柱塞泵的特性 21 第五章 全自動盤料彎彎曲裝置的調整管機 22 5 1 彎曲角度的調整 22 5 2 托架高度的調整 23 5 3 壓力調整 23 5 4 速度調整 24 第六章 可能出現(xiàn)的故障及原因 25 6 1 不夾緊的原因 25 6 2 不彎管的原因 25 6 3 彎曲形狀差的原因 26 結 論 27 參考文獻 28 致 謝 29