Stamp for receipt of the rod parts with a cavity

 

The invention relates to the processing of metals by pressure and can be used in forging and stamping upon receipt of the rod-shaped material parts with a cavity or basting for firmware. The stamp includes a housing, a radial clamping rod movable in the housing, the slider with the stub with a knife and the axial pusher prop, made in the form of a coaxial system. Radial clamping rod consists of a fixed lower clamping with cutting edge and movable in the vertical direction of the upper clamp. Coaxial system includes a punch, a stripper and a spring buffer installed with the possibility of a reciprocal axial movement in the slide. The stub knife has an opening cross section which differs in shape and size from a hole in the radial clamping of the rod. The cross-section of a stripper repeats the shape and dimensions of the cross section of the hole in the stub knife. The result is the expansion of technological capabilities of the stamp. 1 Il.

The invention relates to the processing of metals by pressure and can be used in forging and stamping for receipt of the rod-shaped material parts with a cavity or basting for firmware.

the second clamp rod, consisting of the retainer plate, buffer and plate with emphasis, movable in the housing of the slide with a knife and axial pusher prop, made in the form of a coaxial system, including the punch with the extractor and spring buffer installed with the possibility of a reciprocal axial movement in the slide stamp.

However, this design does not allow you to cut the workpiece, in which the shape and external dimensions of the cross section do not correspond to the size and shape of the feed rod.

The problem to which the invention is directed, is to increase the technological capabilities of the stamp by providing opportunities of rod-shaped material by segments of details, with the prior firmware or basting for firmware with the shape and outer dimensions of the cross-section that is different from the shape and size of the cross section of the feed rod.

This is achieved by the fact that the stamp for receipt of the rod parts with a cavity comprising a housing, a radial clamping rod, consisting of a movable lower clamping with cutting edge and movable in the vertical direction of the upper clamp, movable in the housing, the slider with the stub with a knife and the axial pusher prop, made in the form with what about moving the slider stamp the stub knife is made with a hole, the section which differs in shape and size from the cross-section of the holes in the radial clamp rod, and the cross-section of a stripper repeats the shape and dimensions of the cross section of the hole in the stub knife.

The execution of the stub knife and pusher axial overpressure in this form allows for the simultaneous cutting of the workpiece at one stroke to perform the operation preliminary firmware or basting for firmware punch on the depth of the gap z, while the outer contour of the workpiece is formed in the stub knife by displacing the metal in the cavity formed by the hole in the stub the knife and the end of the puller, the section which does not correspond to the shape and size of the hole in the radial clamp rod.

The invention is illustrated by the drawing, which shows a stamp for receipt of the rod parts with a cavity.

Stamp for receipt of the rod parts with the cavity includes a housing 1, a system of radial clamping rod, consisting of a fixed lower clamp 2 with a cutting edge and movable in the vertical direction of the upper clamp 3, movable in the housing, the slider 4 with the stub knife 5 and the axial pusher prop, made in the form of a coaxial system, including poisonously knife is made with a hole, the section which differs in shape and size from the cross-section of the holes in the radial clamp rod, and the cross-section of a stripper repeats the shape and dimensions of the cross section of the hole in the stub knife.

Stamp works as follows.

The rod 9 through the fixed blade 2, is fixed in the housing 1, and a system of radial clamping rod, consisting of a fixed lower clamp 2 and the upper clamp 3, served in the stub knife 5 is mounted on the slide 4, to the desired value, and apply the radial force of the clamp RWAwhile the upper clamp 3 clamp the rod in the radial direction. Then through the axial pusher prop, made in the form of a coaxial system, including the punch 6, the stripper 7 and the buffer 8, the cut portion of the workpiece serves axial force POS. Under the action of force fOSthe buffer 8 is compressed, the gap z is selected, and the punch 6 pierces the workpiece to a depth corresponding to the initial size of the gap z, and the metal fills the cavity stub knife 5; then the punch 6 and the stripper 7 begin to move together, is the final formation of the internal cavity in the workpiece and the alignment (infusion) ends of the ejector 7.

Next to the workpiece exert force Otie down then the billet is pushed by the pusher 7, the slider, the stub knife and plunger axial backwater return to its original position, and the process repeats.

The proposed device allows you to expand the technological capabilities of the stamp for details preliminary firmware or basting for firmware by providing opportunities to receive details with the shape and outer dimensions that differ from the shape and size of the cross section of the feed rod.

Sources of information 1. RF patent 2015863, class B 23 D 23/00, 1992 - prototype.

Claims

Stamp for receipt of the rod parts with a cavity comprising a housing, a radial clamping rod, consisting of a fixed lower clamping with cutting edge and movable in the vertical direction of the upper clamp, movable in the housing, the slider with the stub with a knife and the axial pusher prop, made in the form of a coaxial system, including a punch, a stripper and a spring buffer installed with the possibility of a reciprocal axial movement in the slide of the stamp, wherein the stub knife is made with a hole, the section which differs in shape and size from a hole in the radial system for the

 

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