Drawing process of cup body with square flange
A cup body and flange technology, applied in the field of cup body deep drawing process, can solve the problems of uneven material flow, uneven fillet around the flange, increase enterprise cost, etc., achieve uniform fillet and save manpower Material resources and the effect of improving work efficiency
Inactive Publication Date: 2012-07-11
FINEFORMING PRECSION ENG
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Problems solved by technology
[0002] At present, in order to obtain qualified round drawing parts of square flanges, circular blanks are generally used for deep drawing processing. With the increasing pressure of competition and cost, materials have to be saved, and similar square blanks are used. When the billet is deep-drawn convex, the material runs to the middle. Since the distance from the four sides of the blank to the center is shorter than the distance from the four corners to the center, the speed of the flow of material in these four directions to the middle is faster than that of the four corners, resulting in flow Uneven, resulting in uneven fillets around the flange, wasting a lot of manpower and material resources, and increasing the cost of the enterprise
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[0018] The present invention will now be further described in detail in conjunction with the accompanying drawings and embodiments. These drawings are all simplified schematic diagrams, only illustrating the basic structure of the present invention in a schematic manner, so it only shows the composition related to the present invention.
[0019] Such as figure 1 , figure 2 As shown, it is a cup body drawing die with a square flange. When the first step of drawing is carried out, it is arranged in sequence from top to bottom: upper die base 1, upper backing plate 2, punch fixing plate 3, unloading Plate backing plate 4, stripping plate 5, deep drawing die 6, lower template 7, lower die holder 8, upper backing plate 2 is fixed with punch 9, and one end of punch 9 is fixed with a punch with a bottom fillet of R1 Head 10. Before deep drawing, put the approximately square blank between the unloading plate backing plate 4 and the deep drawing die 6, the deep drawing die 6 is fixe...
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The invention relates to a drawing process of a cup body with a square flange, which includes the following steps: 1 enabling a blank to be in an irregular shape by blanking; 2 enabling the blank after blanking to be the cup body with the flange through a punch with the bottom fillet of R1, and enabling the height of the cup body to be H1; 3 extruding the cup body through a punch with the bottom fillet of R2, and enabling the height of the cup body to be H1; 4 extruding the cup body through a punch with the bottom fillet of R3, and enabling the height of the cup body to be H1; and 5 extruding the cup body through a punch with the bottom fillet of R4, simultaneously shaping the flange of the cup body, and enabling the height of the cup body after shaping to be H2. The drawing process of the cup body with the square flange first enables the blank to be deep and high, then closes down return pressure to obtain the required height of a product, saves a great deal of manpower and material resources and improves work efficiency due to the fact that the fillet of the product is uniform.
Description
technical field [0001] The invention relates to a deep-drawing process, in particular to a deep-drawing process for a cup body with a square flange. Background technique [0002] At present, in order to obtain qualified round drawing parts of square flanges, circular blanks are generally used for deep drawing processing. With the increasing pressure of competition and cost, materials have to be saved, and similar square blanks are used. When the billet is deep-drawn convex, the material runs to the middle. Since the distance from the four sides of the blank to the center is shorter than the distance from the four corners to the center, the speed of the flow of material in these four directions to the middle is faster than that of the four corners, resulting in flow Uneven, resulting in uneven fillets around the flange, wasting a lot of manpower and material resources, and increasing the cost of the enterprise. Contents of the invention [0003] In order to solve the a...
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IPC IPC(8): B21D22/20
Inventor 孙宽海廖汉秋
Owner FINEFORMING PRECSION ENG