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編號
無錫太湖學(xué)院
畢業(yè)設(shè)計（論文）
相關(guān)資料
題目： 波紋管成型機的設(shè)計
信機 系 機械工程及自動化專業(yè)
學(xué) 號： 0923074
學(xué)生姓名： 王蛟龍
指導(dǎo)教師： 林承德 （職稱：教授 ）
（職稱： ）
2012年5月25日
24
目 錄
一、畢業(yè)設(shè)計（論文）開題報告
二、畢業(yè)設(shè)計（論文）外文資料翻譯及原文
三、學(xué)生“畢業(yè)論文（論文）計劃、進度、檢查及落實表”
四、實習(xí)鑒定表
]
無錫太湖學(xué)院
畢業(yè)設(shè)計（論文）
開題報告
題目： 波紋管成型機的設(shè)計
信機 系 機械工程及自動化專業(yè)
學(xué) 號： 0923074
學(xué)生姓名： 王蛟龍
指導(dǎo)教師： 林承德 （職稱：教授 ）
（職稱： ）
2012年11月14日
課題來源
江蘇省蘇州奧杰汽車技術(shù)有限公司
科學(xué)依據(jù)（包括課題的科學(xué)意義；國內(nèi)外研究概況、水平和發(fā)展趨勢；應(yīng)用前景等）
本課題是對現(xiàn)有設(shè)備進行測繪，并在改進的基礎(chǔ)上制造完成，以滿足實際生產(chǎn)的要求。學(xué)生在設(shè)計中對現(xiàn)有液壓系統(tǒng)進行分析，須重新設(shè)計整機;液壓原理。因設(shè)備已投入生產(chǎn)，故學(xué)生在設(shè)計過程中，可掌握較強的實際工作經(jīng)驗，完成從設(shè)計到實際生產(chǎn)及運行調(diào)試的整個過程，很好的掌握機電一體化技術(shù)。能熟悉如何從圖紙到實際工作完成的整個過程，并經(jīng)實際的動手完成真正能正常工作的設(shè)備。
研究內(nèi)容
1．達到技術(shù)指標(biāo)所規(guī)定要求，滿足實際工作需要。
2．主機部件工作時定位準(zhǔn)確，啟停無沖擊。
3. 制品的模具三維圖及工作圖。實習(xí)地點：無錫。
主要技術(shù)指標(biāo)：
1. 最高合模力 100 噸
2. 油箱容積 500 L
3. 最大周期 10 S
擬采取的研究方法、技術(shù)路線、實驗方案及可行性分析
分析國內(nèi)外波紋管成型機市場各種波紋管成型機的特點以及適應(yīng)性、波紋管成型機開發(fā)中的問題、各種電機性能、各部件機構(gòu)及工作原理、機械設(shè)計過程，通過對波紋管成型機各部件的性能分析，最終開發(fā)出一款適合的波紋管成型機。
運用UG軟件進行逆向設(shè)計，分析波紋管成型機總成及各部件的位置結(jié)構(gòu)和功能，建立三維數(shù)模，對總成進行運動仿真，分析運動數(shù)據(jù)，優(yōu)化結(jié)構(gòu)布置。
江蘇省蘇州奧杰技術(shù)有限公司在汽車設(shè)計領(lǐng)域，運用當(dāng)今工業(yè)最先進的計算機輔助造型(CAS)、計算機輔助工程(CAE)、計算機輔助設(shè)計(CAD)和計算機輔助制造(CAM)軟件進行設(shè)計開發(fā)，至今已積累了數(shù)十個平臺及零部件開發(fā)經(jīng)驗。在波紋管成型機方面具備很強的設(shè)計開發(fā)能力，同時國內(nèi)外市場對波紋管成型機的需求不斷擴大，對波紋管成型機的智能化、模塊化越來越高，具備很大的市場可行性。
研究計劃及預(yù)期成果
特色或創(chuàng)新之處
波紋管成型機的整個機構(gòu)、功能、性能都可通過UG逆向設(shè)計得以實現(xiàn)，實現(xiàn)了產(chǎn)品的快速設(shè)計；通過運動仿真可以校核是否存在結(jié)構(gòu)干涉情況，降低了樣品試制的成本和風(fēng)險。
波紋管成型機結(jié)構(gòu)簡單，制造成本低，使用壽命長，采用高防護電機驅(qū)動，實現(xiàn)波紋管成型機操作方便靈活，提高了性能。
已具備的條件和尚需解決的問題
已具備的條件：電腦；相關(guān)開發(fā)軟件；部分技術(shù)資料。
尚需解決的問題：學(xué)習(xí)UG軟件；確定產(chǎn)品的結(jié)構(gòu)尺寸和技術(shù)要求；逆向設(shè)計建立三維數(shù)模；總成運動仿真校核。
指導(dǎo)教師意見
指導(dǎo)教師簽名：
年 月 日
教研室（學(xué)科組、研究所）意見
教研室主任簽名：
年 月 日
系意見
主管領(lǐng)導(dǎo)簽名：
年 月 日
Hydraulic system design and mold design
Hydraulic presser drive and air pressure drive hydraulic fluid as the transmission is made according to the 17th century, Pascal's principle of hydrostatic pressure to drive the development of an emerging technology, the United Kingdom in 1795 ? Braman Joseph (Joseph Braman ,1749-1814), in London water as a medium to form hydraulic press used in industry, the birth of the world's first hydraulic press. Media work in 1905 will be replaced by oil-water and further improved.
After the World War I (1914-1918) ,because of the extensive application of hydraulic transmission, espec- ially after 1920, more rapid development. Hydraulic components in the late 19th century about the early 20th century, 20 years, only started to enter the formal phase of industrial production. 1925 Vickers (F. Vikers) the invention of the pressure balanced vane pump, hydraulic components for the modern industrial or hydraulic transmission of the gradual establishment of the foundation. The early 20th century G ? Constantimscofluct- uations of the energy carried out by passing theoretical and practical research; in 1910 on the hydraulic trans- mission (hydraulic coupling, hydraulic torque converter, etc.) contributions, so that these two areas of develo- pment.
The Second World War (1941-1945) period, in the United States 30% of machine tool applications in the hydraulic transmission. It should be noted that the development of hydraulic transmission in Japan than Europe and the United States and other countries for nearly 20 years later. Before and after in 1955, the rapid development of Japan's hydraulic drive, set up in 1956, "Hydraulic Industry." Nearly 20 to 30 years, the development of Japan's fast hydraulic transmission, a world leader.
Hydraulic transmission There are many outstanding advantages, it is widely used, such as general industr- ial use of plastics processing machinery, the pressure of machinery, machine tools, etc.; operating machinery engineering machinery, construction machinery, agricultural machinery, automobiles, etc.; iron and steel indu- stry metallurgical machinery, lifting equipment, such as roller adjustment device; civil water projects with flo- od control and dam gate devices, bed lifts installations, bridges and other manipulation of institutions; speed turbine power plant installations, nuclear power plants, etc.; ship from the deck heavy machinery (winch), the bow doors, bulkhead valve, stern thruster, etc.; special antenna technology giant with control devices, measu- rement buoys, movements such as rotating stage; military-industrial control devices used in artillery, ship anti- rolling devices, aircraft simulation, aircraft retractable landing gear and rudder control devices and other devi- ces.
A complete hydraulic system consists of five parts, namely, power components, the implementation of co- mponents, control components, auxiliary components and hydraulic oil.
The role of dynamic components of the original motive fluid into mechanical energy to the pressure that the hydraulic system of pumps, it is to power the entire hydraulic system. The structure of the form of hydra- ulic pump gears are generally pump, vane pump and piston pump.
Implementation of components (such as hydraulic cylinders and hydraulic motors) which is the pressure of the liquid can be converted to mechanical energy to drive the load for a straight line reciprocating movement or rotational movement.
Control components (that is, the various hydraulic valves) in the hydraulic system to control and regulate the pressure of liquid, flow rate and direction. According to the different control functions, hydraulic pressure control valve can be divided into valves, flow control valves and directional control valve. Pressure control valves are divided into benefits flow valve (safety valve), pressure relief valve, sequence valve, pressure relays, etc.; flow control valves including throttle, adjusting the valves, flow diversion valve sets, etc.; directional control valve includes a one-way valve , one-way fluid control valve, shuttle valve, valve and so on. Under the control of different ways, can be divided into the hydraulic valve control switch valve, control valve and set the value of the ratio control valve.
Auxiliary components, including fuel tanks, oil filters, tubing and pipe joints, seals, pressure gauge, oil level, such as oil dollars.
Hydraulic oil in the hydraulic system is the work of the energy transfer medium, there are a variety of mineral oil, emulsion oil hydraulic molding Hop categories.
The role of the hydraulic system is to help humanity work. Mainly by the implementation of components to rotate or pressure into a reciprocating motion.
? Hydraulic system and hydraulic power control signal is composed of two parts, the signal control of some parts of the hydraulic power used to drive the control valve movement.
Part of the hydraulic power means that the circuit diagram used to show the different functions of the interrelationship between components. Containing the source of hydraulic pump, hydraulic motor and auxiliary components; hydraulic control part contains a variety of control valves, used to control the flow of oil, pressure and direction; operative or hydraulic cylinder with hydraulic motors, according to the actual requirements of their choice.
In the analysis and design of the actual task, the general block diagram shows the actual operation of equi - pment. Hollow arrow indicates the signal flow, while the solid arrows that energy flow.
Basic hydraulic circuit of the action sequence - Control components (two four-way valve) and the spring to reset for the implementation of components (double-acting hydraulic cylinder), as well as the extending and retracting the relief valve opened and closed . For the implementation of components and control components, presentations are based on the corresponding circuit diagram symbols, it also introduced ready made circuit diagram symbols.
Working principle of the system, you can turn on all circuits to code. If the first implementation of components numbered 0, the control components associated with the identifier is 1. Out with the implementation of components corresponding to the identifier for the even components, then retracting and implementation of components corresponding to the identifier for the odd components. Hydraulic circuit carried out not only to deal with numbers, but also to deal with the actual device ID, in order to detect system failures.
DIN ISO1219-2 standard definition of the number of component composition, which includes the following four parts: device ID, circuit ID, component ID and component ID. The entire system if only one device, device number may be omitted.
Practice, another way is to code all of the hydraulic system components for numbers at this time, components and component code should be consistent with the list of numbers. This method is particularly applicable to complex hydraulic control system, each control loop are the corresponding number with the system
With mechanical transmission, electrical transmission compared to the hydraulic drive has the following advantages:
1, a variety of hydraulic components, can easily and flexibly to layout.
2, light weight, small size, small inertia, fast response.
3, to facilitate manipulation of control, enabling a wide range of stepless speed regulation (speed range of 2000:1).
4, to achieve overload protection automatically.
5, the general use of mineral oil as a working medium, the relative motion can be self-lubricating surface, long service life;
6, it is easy to achieve linear motion /
7, it is easy to achieve the automation of machines, when the joint control of the use of electro-hydraulic, not only can achieve a higher degree of process automation, and remote control can be achieved.
The shortcomings of the hydraulic system:
1, as a result of the resistance to fluid flow and leakage of the larger, so less efficient. If not handled properly, leakage is not only contaminated sites, but also may cause fire and explosion.
2, vulnerable performance as a result of the impact of temperature change, it would be inappropriate in the high or low temperature conditions.
3, the manufacture of precision hydraulic components require a higher, more expensive and hence the price.
4, due to the leakage of liquid medium and the compressibility and can not be strictly the transmission ratio.
5, hydraulic transmission is not easy to find out the reasons for failure; the use and maintenance requirements for a higher level of technology.
In the hydraulic system and its system, the sealing device to prevent leakage of the work of media within and outside the dust and the intrusion of foreign bodies. Seals played the role of components, namely seals. Medium will result in leakage of waste, pollution and environmental machinery and even give rise to malfunctioning machinery and equipment for personal accident. Leakage within the hydraulic system will cause a sharp drop in volumetric efficiency, amounting to less than the required pressure, can not even work. Micro-invasive system of dust particles, can cause or exacerbate friction hydraulic component wear, and further lead to leakage.
Therefore, seals and sealing device is an important hydraulic equipment components. The reliability of its work and life, is a measure of the hydraulic system an important indicator of good or bad. In addition to the closed space, are the use of seals, so that two adjacent coupling surface of the gap between the need to control the liquid can be sealed following the smallest gap. In the contact seal, pressed into self-seal-style and self-styled self-tight seal (ie, sealed lips) two.
The three hydraulic system diseases .
1, as a result of heat transmission medium (hydraulic oil) in the flow velocity in various parts of the existence of different, resulting in the existence of a liquid within the internal friction of liquids and pipelines at the sam- e time there is friction between the inner wall, which are a result of hydraulic the reasons for the oil tempera- ture. Temperature will lead to increased internal and external leakage, reducing its mechanical efficiency. At the same time as a result of high temperature, hydraulic oil expansion will occur, resulting in increased com- pression, so that action can not be very good control of transmission. Solution: heat is the inherent characte -ristics of the hydraulic system, not only to minimize eradication. Use a good quality hydraulic oil, hydraulic piping arrangement should be avoided as far as possible the emergence of bend, the use of high-quality pipe and fittings, hydraulic valves, etc.
2, the vibration of the vibration of the hydraulic system is also one of its malaise. As a result of hydraulic oil in the pipeline flow of high-speed impact and the control valve to open the closure of the impact of the process are the reasons for the vibration system. Strong vibration control action will cause the system to error, the system will also be some of the more sophisticated equipment error, resulting in system failures. Solutions: hydraulic pipe should be fixed to avoid sharp bends. To avoid frequent changes in flow direction, can not avoid damping measures should be doing a good job. The entire hydraulic system should have a good damping measures, while avoiding the external local oscillator on the system.
3, the leakage of the hydraulic system leak into inside and outside the leakage leakage. Leakage refers to the process with the leak occurred in the system, such as hydraulic piston-cylinder on both sides of the leakage, the control valve spool and valve body, such as between the leakage. Although no internal leakage of hydra- ulic fluid loss, but due to leakage, the control of the established movements may be affected until the cause system failures. Outside means the occurrence of leakage in the system and the leakage between the external environment. Direct leakage of hydraulic oil into the environment, in addition to the system will affect the working environment, not enough pressure will cause the system to trigger a fault. Leakage into the enviro- nment of the hydraulic oil was also the danger of fire. Solution: the use of better quality seals to improve the machining accuracy of equipment.
Another: the hydraulic system for the three diseases, it was summed up: "fever, with a father" (This is the summary of the northeast people). Hydraulic system for the lifts, excavators, pumping station, dynamic, crane, and so on large-scale industry, construction, factories, enterprises, as well as elevators, lifting platforms, Deng Axle industry and so on.
Hydraulic components will be high-performance, high-quality, high reliability, the system sets the direction of development; to the low power, low noise, vibration, without leakage, as well as pollution control, water-based media applications to adapt to environmental requirements, such as the direction of development; the development of highly integrated high power density, intelligence, mechatronics and micro-light mini-hydraulic components; active use of new techniques, new materials and electronics, sensing and other high-tech.
---- Hydraulic coupling to high-speed high-power and integrated development of hydraulic transmission equ- ipment, development of water hydraulic coupling medium speed and the field of automotive applications to develop hydraulic reducer, improve product reliability and working hours MTBF; hydraulic torque converter to the development of high-power products, parts and components to improve the manufacturing process tech -nology to improve reliability, promote computer-aided technology, the development of hydraulic torque con- verter and power shift transmission technology supporting the use of ; Clutch fluid viscosity should increase the quality of products, the formation of bulk to the high-power and high-speed direction.
Pneumatic Industry:
---- Products to small size, light weight, low power consumption, integrated portfolio of development, the implementation of the various types of components, compact structure, high positioning accuracy of the direction of development; pneumatic components and electronic technology, to the intelligent direction of development; component performance to high-speed, high-frequency, high-response, high-life, high temp- erature, high voltage direction, commonly used oil-free lubrication, application of new technology, new technology and new materials.
(1)used high-pressure hydraulic components and the pressure of continuous work to reach 40Mpa, the maximum pressure to achieve instant 48Mpa;
(2) diversification of regulation and control;
(3) to further improve the regulation performance, increase the efficiency of the powertrain;
(4) development and mechanical, hydraulic, power transmission of the composite portfolio adjustment gear;
(5) development of energy saving, energy efficient system function;
(6) to further reduce the noise;
(7) Application of Hydraulic Cartridge Valves thread technology, compact structure, to reduce the oil spill.
(8)Mold design and manufacture The mold is the manufacturing industry important craft foundation in ourcountry the mold manufacture belongs to the special purpose equipmentmanufacturing industry. China although very already starts to make the mold and theuse mold but long-term has not formed the industry. Straight stabs 0 centuries 80slater periods the Chinese mold industry only then drives into the developmentspeedway. Recent years not only the state-owned mold enterprise had the very bigdevelopment the three investments enterprise the villages and towns individual themold enterprises development also quite rapid . Although the Chinese mold industrial development rapid but compares with thedemand obviously falls short of demand its main gap concentrates precisely tolarge-scale is complex the long life mold domain. As a result of in aspect and so onmold precision life manufacture cycle and productivity China and the internationalaverage horizontal and the developed country still had a bigger disparity thereforeneeded massively to import the mold every year . The Chinese mold industry except must continue to sharpen the productivityfrom now on will have emphatically to the profession internal structure adjustmentand the state-of-art enhancement. The structure adjustment aspect mainly is theenterprise structure to the specialized adjustment the product structure to center theupscale mold development to the import and export structure improvement centerthe upscale automobile cover mold forming analysis and the structure improvementthe multi-purpose compound mold and the compound processing and the lasertechnology in the mold design manufacture application the high-speed cutting thesuperfinishing and polished the technology the information direction develops . The recent years the mold profession structure adjustment and the organizationalreform step enlarges mainly displayed in large-scale precise was complex the longlife center the upscale mold and the mold standard letter development speed is higherthan the common mold product The plastic mold and the compression casting moldproportion increases Specialized mold factory quantity and its productivity increasequotThe three investmentsquot and the private enterprise develops rapidly The joint stocks