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A kind of stretching mold for capacitor case

A technology for drawing molds and capacitors, which is applied in the field of drawing and forming, can solve the problems of large thermal deformation of the lower mold and affect the processing accuracy of products, and achieve the effect of avoiding excessive temperature.

Active Publication Date: 2022-03-15
LINAN AOXING ELECTRONICS
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  • Abstract
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Problems solved by technology

[0004] The purpose of the present invention is to solve the problem that when the existing drawing die is used for a long time, due to the stamping work, heat is generated, and the temperature of the lower die is prone to be too high, resulting in large thermal deformation of the lower die, which affects the processing accuracy of the product problem, provide a capacitor shell stretching die, which can effectively solve the above problems

Method used

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  • A kind of stretching mold for capacitor case
  • A kind of stretching mold for capacitor case
  • A kind of stretching mold for capacitor case

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Embodiment 1

[0027] like Figure 1 to Figure 8 As shown, a capacitor shell drawing die includes a base 1, a lower die 2 arranged on the base 1, an upper die 7 matched with the lower die 2, and the base 1 is provided with a drive for driving the upper die 7 to move vertically. Lifting mechanism. The lifting mechanism includes a column 3 arranged on the base 1 , an upper end plate 4 is arranged on the upper end of the column 3 , and the upper end plate 4 is arranged horizontally. The upper end plate 4 is provided with a hydraulic cylinder 5 arranged in a vertical direction, and the piston rod of the hydraulic cylinder 5 passes through the upper end plate 4 downward. A horizontally arranged lifting plate 6 is connected to the piston rod of the hydraulic cylinder 5 , and the upper mold 7 is arranged on the lifting plate 6 . The base 1 is provided with a vertical guide column 9 , the lifting plate 6 is provided with a guide sleeve 10 matched with the guide column 9 , and the guide sleeve 10 i...

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Abstract

The invention discloses a drawing mold for a capacitor shell, which comprises a base, a lower mold arranged on the base, and an upper mold matched with the lower mold. The base is provided with a lifting mechanism for driving the upper mold to move vertically; Several stamping rods are provided, through holes corresponding to the stamping rods are provided on the lower mold, and an annular oil groove is provided on the lower mold; an oiling device for oiling the surface of the stamping sheet is provided on one side of the lower mold. In the present invention, by setting an annular oil groove on the lower mold, the annular oil groove is located around the lower mold, and circulating cooling oil is installed in the annular oil groove, the cooling oil can cool down the lower mold and avoid the lower mold from being used for a long time The medium temperature is too high, so as to avoid affecting the processing accuracy of the product due to the large thermal deformation of the lower mold.

Description

technical field [0001] The invention relates to the technical field of drawing and forming, in particular to a drawing die for a capacitor casing. Background technique [0002] The shell of the capacitor is processed by the process of stamping and forming. The stretch forming of the capacitor casing is achieved by stretching the die. A traditional rope-pulling die usually includes a lower die and an upper die. The upper die is provided with several punching rods, and the lower die is provided with through holes corresponding to the punching rods. The diameter of the punching rod and the through hole is usually gradually decreased along the moving direction of the punching sheet. During the moving process of the punching sheet, the punching sheet is punched through the punching rods and through holes of different diameters in turn, and finally the punching sheet is stretched and formed. required capacitor case. When the traditional drawing die is in use, heat is generated ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21D37/16B21D37/12
CPCB21D37/16B21D37/12
Inventor 方哲詹根祥
Owner LINAN AOXING ELECTRONICS
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