SU1505655A1 - Arrangement for making parts with a thickening - Google Patents

Abstract

The invention relates to the processing of metals by pressure and can be used in the landing of core blanks with an offset head. The purpose of the invention is the expansion of technological capabilities. The device contains a punch, made in the form of a housing 2, a spring-loaded upset insert 4, a core 5 and a spacer 6. A punch housing 2 is installed in a punch holder (PD) 1 by means of a stud 8 offset from the punch axis. A diametrically opposite stud 8 of the body 4 is spring-loaded relative to PD 1. The amount of displacement of the head is controlled by moving PD 1 in a direction perpendicular to the upset axis. Adjustable stop 10 combines the conical cavity 11 of the insert 4 with the landing end of the workpiece 12 and limits the rotation of the punch at an angle α. As the press ram moves downward, the punch rotates about the axis of the stud 8. Expander insert 4 captures the disembarked portion of the workpiece, bending and displacing its axis by the amount of displacement of the head. The core 5 precipitates the metal into the conical cavity 11 of the insert 4 to form the head of the product. 3 il.

Description

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insert 4 landed end of the workpiece 12 and limits the rotation of the punch at an angle oi. As the slide moves down, the punch rotates about the axis of the stud 8. The dipstick 4 captures the outgoing part of the workpiece, bending and displacing its axis by the amount of displacement of the head. The core 5 precipitates the metal into the conical cavity 11 of the insert 4 to form the head of the product. 3 il.

The invention relates to the processing of metals by pressure and can be used in the manufacture of core parts with an offset head.

The purpose of the invention is the expansion of technological capabilities by obtaining parts with a thickening displaced relative to the rod. I FIG. 1 shows the device, I position at the beginning of the stroke; in fig. 2 - the same position before the start of the set of metal; in fig. 3 - the same position at the end of the stroke.

The device contains a punch holder 1 mounted on a slider pres- su (not shown) with the possibility of displacement in the direction perpendicular to the landing on the value of d - displacement between the axis of the head and the rod. The IB punch holder 1 is mounted by a jaHcoH puff, comprising a housing 2 with a slide-on and preloaded with a spring 3 with a ramming insert 4, a core 5 and a spacer 6 o. The latter is rigidly fixed in iKopnyce 2. On the press table is fixed; 7. The punch is mounted in pin holder 1 by means of spikes JKH 8 with the possibility of rotation in the plane passing through the axis of the die; 7. The stud is 8-secured in the upper part of the housing 2 with an offset relative to the axis of the punch.

The end of the punch body 2, diametrically opposite the pin B, is spring-loaded with respect to the punch 10 of the pusher 1. The angle of rotation of the punch is limited by an adjustable stop 10 installed in the punch holder 1 on the side of the pin 8. Vyazacny insert 4 from the side of the matrix 7 has a conical section (cavity) 11 for a set of metal. The axis of the matrix 7 is located between the axis of the punch holder 1 and the stud 8.

The device works as follows.

Using the punch holder 1 set the required value of a

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five

0

five

0

the displacement of the head relative to the rod of the workpiece 12, which is installed in the cavity of the matrix 7.

In the initial position, the punch dod is turned by the action of the spring 9 on the angle about, the value of which is selected from the condition that the conical cavity 11 of the upset insert 4 coincides with the upper end of the workpiece 12 by means of the adjustable stop 10.

When the press ram moves down from the interaction of the workpiece 12 with the upsetting insert 4, the punch rotates relative to the axis of the pin, compressing the spring 9. When the punch rotates, the upstream insert 4 completely engages the disembarked part of the workpiece 12, bending it and displacing its axis by the amount of displacement of the part head. The punch takes a vertical position, resting against the end of the clamp 6 on the end face of the punch holder 1. Further deformation of the blank 12 is carried out by the core 5, which, when the punch moves vertically, precipitates the metal into the conical cavity 11 of the upset insert 4.

When the press crawl goes up, the punch takes the initial position at an angle of 0 under the action of the spring 9. The product is pushed out of the cavity of the matrix 7, a new preform is placed in the cavity of the matrix and the cycle is repeated.

The application of the proposed device allows to expand the technological possibilities due to the landing, not only axisymmetric products, but also products with an displaced head by displacing the punch holder relative to the axis of the die.

Claims (1)

Invention Formula A device for the manufacture of parts with a thickening, including those installed with the possibility of moving one relative to another in a direction perpendicular to the landing axis, a die and a punch holder with a punch mounted thereon, consisting of a housing, a landing spring-loaded insert with a conical cavity, a core and a spacer, characterized in that, in order to expand the technological capabilities by obtaining parts with an offset relative to the rod thickening, the device is equipped with an adjustable stop, placed in poisso5056556 the holder, and the punch is mounted in the punch holder by means of a hairpin mounted in the upper part of the body offset from the axis of the punch, spring-loaded with a diametrically opposite side of the pin and mounted with the possibility of rotation relative to the punch 10 bodies in the plane passing through the axis of the die, while the axis of the matrix is located on the axis of the punch and pin. Fig.Z