SU1250358A1 - Combined die of compound action for blanking and double drawing - Google Patents

Description

The invention relates to metal processing and relates to a combination of combined action dies for cutting and double drawing.

The purpose of the invention is to increase the reliability and durability by increasing the reliability of the mechanism for fixing the punches of the first and second extractors.

 FIG. 1 shows a device, a longitudinal section (to the left of the axis of symmetry, the initial position is shown, to the right - after cutting down); in fig. 2 - the end of the first stretch (to the left of the symmetry axis) and the end of the Second stretch (to the right of the symmetry axis); in fig. 3 - cyclogram of the stamp, where a is the level of the strip; b - the beginning of the operation of the clamp when cutting; in - the end of the work of the clamp when cutting; (d) point of meeting of the elongated craw with an emphasis; Gd - work clamping 2 nd suspension.

The device contains rigidly fixed e-mIJ on the outer slider I of the press (not shown) case 2 with a lid 3, installed inside the Kophyca 2 coaxon 4 of the first stretch coaxially between them, simultaneously with the second stretch, and the second 5 stretching, rigidly fixed in the internal slider 6, the fixing mechanism of the punches 4 and 5, made in the Hades located in the housing 2 With the braking axial movement to the hinge b of the lid 3 of the pneumatic cylinder 7, fixed with the air through the pneumatic chamber 8 with the trigger Onom 4, the 9 koTOporo piston is rigidly connected to the Poon-Son 5.

On the lid 3, the rigid positioning of the gasket 151 and the cutting punch 11, which form the pneumatic chamber 12 between them, are coaxial with each other.

On the Bottom plate 13, the matrix 14 is fixed rigidly fixed to each other for cutting and the first stretch and the Matrix 15 for the Second extract, inside which is a puller 16. A coaxial Matrix 14 is fitted with a puller 18 spring-loaded to the intermediate plate 17.

Position 19 is indicated by the piece & tape, position 20 is the semifinished product obtained after the first stretch, position 21 is the part.

The stamp works as follows:;

Together with the move of the slider 1 viz ta | {th r is shifted down and the case 2 is arranged) th | with cover 3; Johnson 11 has cut the workpiece, which presses | s to the matrix 14 by pressing | 0. Move down the time (cyclogram in Fig. 3) Drop down BTdjJOfl slider 6; and, together with it, i9 down piston with pneumatic cylinder 7 and punches 4 and; 5 ,. The pneumatic chamber 8 is selected and the pioneer 4 is first, the hood simultaneously touches the punch and rests firmly on the butt of the cylinder 7, i.e. A stamp is prepared for the first stretching. at

During the further course of the crawl: 6 into | of, together with it, the sheng 9, the pneumatic 1dr 7 and the paison 4 move. The piston cavity is under air pressure, providing a force equal to (or more) the force on the ram 4 of the first stretch. In the first injection box of the cylinder, a pneumatic cylinder 7 rests on cover 3. A semifinished product 20 is drawn out.

During the further progress of the slider 6, vyiz together with the piston 9 and the punch 5, n the air from the underpipe, the second draw is drawn by the punch 5, and the punch 4 in this operation performs the role of a clamp, -the slider 1 while partially raising upwards, chambers 8 and 12, under the punches 11 and 4, were again filled with air and, following the slider 1, they began to rise upwards and half the moon 6, the output from the matrices 14 and 15 both of the punches 4 and 5 and return the stamp to the first position.

The proposed stamp has greater reliability and performance compared with the known, because its mechanism for fixing the punches in the form of a pneumatic cylinder is more reliable than fixing crackers in the well-known stamp.

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Compiled by V. Muslimov Tehred I. VeresKorrektor M. Pojo

Tiryzh 783Subscribe

VNIIPI USSR State Committee

for inventions and discoveries

113035, Moscow, Zh-35, Raushsk nab. 4/5

Branch POP "Patent, Uzhgorod, st. Project, 4

Claims (1)

COMBINED STAMP OF COMBINED ACTION FOR CUTTING AND DOUBLE DRAWER HANDLING, containing a housing with a cover for attaching to an external press slide, coaxial punches of the first and second hoods installed inside the casing, the mechanism of their fixation, the punch, and the punch, rigidly fixed to the lid a lower plate supporting a matrix mounted coaxially between each other for cutting and the first hood and a matrix for the second hood, characterized in that, in order to increase the reliability and durability of put m increase the reliability of the mechanism for fixing the punches of the first and second hoods, the mechanism for fixing the punches of the first and second hoods is made in the form of a pneumatic cylinder located in the housing with the possibility of axial movement up to the stop in the cover, installed to interact with the punch of the first hood, and the piston of the pneumatic cylinder is rigidly connected to the punch second hood. Fie! 1250358 A1