SU889262A1 - Apparatus for riveting wedge-like blocks - Google Patents

Description

one

The invention relates to equipment for riveting operations.

A device for riveting wedge-shaped packages, containing coaxially arranged mandrels with supporting and working strikers with spherical bearing surfaces, as well as a movable holder with a spherical saddle and a spherical surface in contact with a spherical surface with an axial bore for the work head and a spring loaded in one of the mandrels relative to the mandrel, while the working head is connected with the mandrel by a flexible element, and the radius of its spherical bearing surface is equal to the radius of the spherical surface Name plate 1.

However, this device does not improve the quality of the riveting.

The purpose of the invention is to improve the quality of riveting.

This goal is achieved by the device for riveting wedge-shaped packages containing coaxially arranged mandrels with supporting and working strikers with spherical onopHbiMii surfaces, as well as a movable holder installed in one of the mandrels with a spherical saddle and a spherical surface in contact with it

10 with an axial hole under the workhead and spring-loaded relative to the mandrel, while the workhead is connected with the mandrel by a flexible element, and the radius of its spherical bearing surface is equal to the radius of the spherical surface of the pressure plate, equipped with an annular permanent magnets with oppositely directed poles mounted concentrically with a holder ,

20 at E.TOM, one of the magnets is located on the mandrel, and the other is on the clips.

Claims (3)

In addition, the device is equipped with an elastic washer, located at a pro3 point, made on the side over the axial bore of the pressure plate, and a protrusion is made on the end of the working striker. Moreover, the protrusion on the working end of the striker has a height equal to the total thickness of the groove and the elastic washer, and the diameter of the axial hole of the pressure plate is larger than the diameter of the striker. Fig. I shows the device in its initial position, a longitudinal section; Fig. 2 shows the same in the intermediate position when riveting; Fig. 3 shows the same, at the time of the end of the riveting. The device contains coaxially arranged mandrels 1 and 2 with supporting 3 and working 4 strikers with spherical supporting surfaces. Inside the cup 5, mounted on the mandrel 2, there is a movable holder 6 with a spherical seat 7 and annular permanent magnets 8 and 9 with opposite direction poles of the same pole, while the magnet 8 is mounted on the mandrel 2, and the magnet 9 on the holder 6. Spherical saddle 7 of the holder 6 is in contact with the spherical surface of the clamping plate 10, spring-loaded relative to the mandrel 2 spring 11. In the pressure plate 10, an axial hole 12 is made under the work head 4, which is connected with the mandrel 2 by the flexible element 13 through the tension screw 14, this diameter is axial The hole 12 is made larger than the diameter of the striker 4, which ensures its rotation in this hole by an angle equal to the angle of the wedge-shaped package. The radius of the spherical bearing surface of the striker 4 is equal to the radius of the spherical surface of the pressure plate 10, and a protrusion 15 is made on its face. On the side surface of the axial hole 12 of the pressure plate 10, there is an aperture 16, in which an elastic washer 17 is located. The striker 4 is equal to the total thickness of the groove 16 and the elastic washer 17. The device for riveting the wedge-shaped packets works as follows. The mandrels 1 and 2 are installed in the plunger of the press 18, the riveted package of parts 19 with the rivet 20 installed in its hole, is placed on the supporting firing pin 3, the mandrel 2 is moved down by the plunger of the press. When the pressure plate 10 touches the surface of the riveted package 19, it self-aligns along the package plane and forces are transmitted from the permanent magnets 8 and 9 by repelling the like poles from each other. Upon further movement of the press plunger, the mandrel 2 Moves in the holder 6 and the striker 4 touches the rivet 20, transferring the press force strictly along its axis until the spherical surface of the striker 4 is aligned with the spherical saddle 7 of the holder 6. In this case the striker 4 contacts the elastic washer 17, which serves to compensate for the change in the distance between the seat 7 of the yoke 6, and the groove 16 when the pressure plate 10 is rotated. When combining the spherical surfaces of the striker 4 and the saddle 7, the striker rotates around a point lying in the center of the closing head sculpting 20, and installing it on the plane of the elastic washer 17, parallel to the plane of the riveted package 19. The use of the proposed device improves the quality of the riveting of the wedge-shaped packages and reduces the marriage by 70% compared with the use of known devices. The expected annual economic efficiency from the use of the invention in one enterprise of the industry will be 90 thousand rubles. Claim 1, A device for riveting wedge-shaped packages, containing coaxially arranged mandrels with supporting and working strikers with spherical bearing surfaces, as well as a movable holder with a spherical saddle and a cone mounted in one of the mandrels. a pressure plate clocking with it with a spherical surface with an axial hole for the working head and a sub-spring relative to the mandrel, wherein the working head is connected to the mandrel with a tough element, and the radius of its spherical bearing surface is equal to the radius of the spherical surface of the pressure plate, characterized in that quality riveting, it is equipped with concentric ring mounted permanent magnet with opposite poles of the same name, while one of the matnits is located on the mandrel, and nother on the cage. 2. The device according to claim 1, characterized in that it is provided with an elastic washer located in the groove made on the side surface of the axial hole of the pressure plate, and on the end of the working striker made a ledge. 3. The device according to PP.1 and 2, characterized by the TGM that the protrusion W22Z at the end of the striker, it has a height equal to the total thickness of the groove and the outer washer, and the diameter of the axial bore of the pressure staff is larger than the diameter of the striker. Sources of information taken into account in the examination 1, USSR Author's Certificate of 194524, cl. B 21 0-15 / 32, 1965 (prototype). 18 1 U /// ( / // / /////four N.4v4. j 18 // 7 // // // 7       V N L NN H - -Is N X 3