Based on AutoCAD and Pro/e, the stamping die for the automobile window regulator shell was designed, and the market demand of the window regulator was analyzed. This paper discusses the economical and efficient production method of glass lifter shell, and discusses the guiding principles and general steps of stamping die design, including the technological analysis of parts, the selection of press, the selection of standard die frame, the overall structure of die and the design of working parts. This is not only beneficial to the development of automobile industry, but also has certain significance to the design of modern stamping die. Glass lifter; Drawing die; Stamping process analysis; Introduction of mold structure 0 Automobile glass lifter is a common part in vehicle operation, with high frequency of use and high attention of users. Therefore, it is particularly important to produce high-quality parts that meet both the quantity and the use requirements. Judging from the current development trend of automobile functional parts, in order to facilitate the use and improve the internal quality of vehicles, many manufacturers have designed the electric glass lifter system as the basic configuration of vehicles. Manual glass lifter system has been used less and less, and has been replaced by electric glass lifter system. Therefore, many foreign automobile manufacturers and glass lifter manufacturers focus their energy and financial resources on the research and development of electric glass lifter system. At present, the development technology and means of automobile body accessories in China are far behind those in developed countries such as Europe, America and Japan. Many of our big manufacturers' door and window lifters are basically developed by imitating foreign samples, and there is a lack of systematic analysis and research on the comprehensive effect of this piece after loading and the problems in the driving process of the vehicle [1]. The main research content of this paper is the production technology and die design of door and window regulator shell. 1 The elevator shell shows that the glass on the car door is controlled by the elevator, and its main function is to ensure that the door glass can rise and fall smoothly, so as to facilitate the normal activities of the drivers and passengers in the car-to ensure good ventilation in the car and facilitate the drivers and passengers to communicate with people around the car without getting off. The assembly of elevator assembly is shown in figure 1. The transmission mechanism of the elevator is installed in the shell and riveted on the inner door panel through three φ3.2mm holes evenly distributed on the flange of the shell. The transmission shaft 6 is installed at the supporting position of φ 16.5mM at the right end of the housing with a gap of IT 1 1, and is connected with the pinion1through the brake torsion spring 3, the linkage plate 9 and the spindle 4. When the handle 7 is shaken, the transmission shaft transmits power to the pinion, and then drives the pinion 12 to push it. This stamped part is part 5 as shown in fig. 2. Adopting 1.5 mm steel plate ensures sufficient rigidity and strength. The main mating dimensions of the shell cavity are φ 16.5+0. 12mm, φ 22.3+0. 14mm, and 16+0.2 mm are it1~ it/kloc-0. In order to ensure that the bearing part of the housing is coaxial with the shaft sleeve after the housing and the seat plate are riveted and fixed, the mutual positions of the three small holes φ3.2mm and φ 16.5mm should be accurate, and the diameter of the central circle of the small hole φ 42 0. 1 mm is IT 10. 2 Workpiece stamping manufacturability and scheme determination According to the drawings of stamping parts, combined with the existing stamping equipment specifications, die manufacturing conditions and production batch, the shape characteristics, size, precision requirements, raw material size specifications and mechanical properties of stamping parts are analyzed. Firstly, it is judged which processes are needed for products and which processes are used between processes to complete the shape and size of semi-finished products, and then each process is analyzed one by one to determine the processing difficulty of stamping parts and whether special technological measures are needed. Process analysis is to judge whether the product can be produced with stable quality and quantity technically and whether it is economical. The determination of process scheme is an important design link after the process analysis of stamping parts. This link needs to do the following steps: 1) List all the single processes required for stamping; 2) For the listed processing procedures, according to their deformation properties, quality requirements, convenient operation and other factors, the process sequence is preliminarily arranged; 3) After the processes are arranged and combined in sequence, various process schemes are formed, and the best process scheme is determined by comprehensive analysis and comparison from the aspects of product quality, production efficiency, equipment occupation, mold manufacturing difficulty and life, production cost, operation convenience and safety. 2. 1 stamping manufacturability analysis According to the technical requirements of the part, the stamping manufacturability analysis shows that the part belongs to a rotating body and is a general cylindrical part with flange, and D convex /d and h/d are suitable, so the drawing manufacturability is good. Only the radius of fillet is small, and the dimensional accuracy of φ 22.3+0. 14, φ 16.5+0. 12 and 16+0.2 is higher (all higher than the dimensional deviations listed in Table 4-3 and Table 4-6 [2]. Because the center distance of φ 3.2 holes requires high accuracy, it is required to punch three holes at the same time by precise blanking (that is, the dimensional accuracy can reach IT8~IT9 level, the section roughness Ra value is 1.6~0.4μm, and the section verticality can reach 89 30' or better [3]), and the punching holes should be located with φ22.3mm inner holes. There are three ways to form the φ 16.5mm section at the bottom of the part: 1) the step diagram can be used to turn the bottom; 2) The bottom of the ladder can be cleaned after painting; 3) Deep drawing can be used to punch the bottom hole and then flanging, as shown in Figure 3. Through these three ways