雙鏈?zhǔn)嚼螜C(jī)拉拔小車(chē)改進(jìn)設(shè)計(jì)
Design Modification of Drawing-car of Dual-chain Drawing Mill
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摘要: 采用雙掛鉤式設(shè)計(jì)對(duì)現(xiàn)有拉拔小車(chē)進(jìn)行改進(jìn)。拉拔小車(chē)改進(jìn)后，第一次拔制工作結(jié)束，掛鉤自動(dòng)與鏈條脫開(kāi)，拉拔小車(chē)在快速返回機(jī)構(gòu)的拖動(dòng)下快速返回至拉模座，再進(jìn)行第二次拉拔作業(yè)。拉拔小車(chē)快速返回時(shí)無(wú)需主傳動(dòng)系統(tǒng)進(jìn)行反轉(zhuǎn)拖動(dòng)，成功地解決了雙鏈?zhǔn)嚼螜C(jī)生產(chǎn)中存在的容易斷鏈條和生產(chǎn)效率低的問(wèn)題。改進(jìn)后的雙鏈?zhǔn)嚼螜C(jī)具有拉拔加工精度高、生產(chǎn)效率高等優(yōu)點(diǎn)，解決了傳統(tǒng)雙鏈?zhǔn)嚼螜C(jī)容易斷鏈的問(wèn)題。Abstract: The existing drawing car is modified with a dual-hook design.Thanks to the modification，upon ending of the first drawing operation，the hook is automatically disconnected from the chain，and then，the drawing car is pulled by the quick-returning mechanisms，and goes back quickly to the die holder，and ready for the next drawing operation.In this case，the car can return back quickly without being pulled in reverse by the main drive system，which successfully fixed the problem that previously stayed with operation of the dual-chain drawing mill， i.e.，frequent chain breaking and low productivity.The modified dual-chain drawing mill has advantages like high drawing accuracy and high productivity，and moreover the disadvantage of the conventional dual-chain drawing mill，i.e.，frequent chain breaking is eliminated.
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