SU1256946A1 - Device for making bolted/riveted joint - Google Patents

Description

This invention relates to riveting and assembly work, in particular, to a hand mechanized tool.

The purpose of the invention is to improve the quality of the compound obtained by fixing the bolt-rivet connection in the bag opening and compressing the latter before crimping the sleeve.

FIG. 1 shows a device for forming a bolt-riveted joint, a section, a starting position; in fig. 2 — node I in FIG. one; in fig. 3 - the position of the device after crimping the sleeve; in fig. 4 shows section A-A in FIG. 3

A device for forming a bolt-rivet connection consists of a housing 1, inside of which is located a power cylinder 2 with a piston 3 installed in it, a thrust rod 4 connected by a thread with a rod 5 of a piston 3, guiding the sleeve 6 rigidly connected to the housing 1 by means of pin 7 and crimping sleeve 8 installed inside the guide sleeve 6 and connected by thread to thrust 4. On the inner surface 9 of the yushi direction, sleeves 6 are made with stops 10 that are diametrically opposite each other B slotted x 11 crimp sleeve 8. InThe same slots of the crimping sleeve 8 include the gripping jaws 12 of the gripping mechanism with a wedge-shaped working part, which are connected on the axis 13 by a spring ring 14 fixed by a threaded stud 5 per ton 4.

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The device works as follows.

A bolt-rivet connection is installed on the hub 16 until the locking mechanism jaws 12 are gripped at the hub 16 end. When the device is turned on, the working fluid enters the cylinder 2 under pressure and moves the piston 3, the hub 4, the compression sleeve 8 and the jaws 12. In this case, the stops 10 are located on the inclined surface 17 of the jaws 12, which make a radial movement, and the wedge-shaped working parts of the jaws 12 enter the annular groove 18 of the bolt-rivets, thereby producing a grip on the process shank 19 and the choice of clearance in the joint. Upon further movement of the jaws 12, the stops 10 slide along the horizontal surface 20 of the jaws 12, and the conical surface 21 of the guide sleeve 6 locates the conical surface 22 of the compression sleeve 8, which moves in the radial direction, to compress the sleeve 16. In this case, the sleeve material fills The ring grooves are bolt-rivet studs. At the end of the stroke of the piston 3, the stops 10 move toward the inclined surface 23 of the jaws 12, which, having made a radial movement, bite off the working part of the shank 19 of the bolt-rivet.

The application of the proposed device allows to obtain a high-quality bolt-rivet connection with tightly compressed parts included in the connection moment.

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Claims (1)

DEVICE FOR FORMING A BOLT-RIVET JOINT CONNECTION, comprising a housing with a guide sleeve fixed therein with an inner conical surface at one end, a power cylinder mounted coaxially to the guide sleeve, on the rod of which there is a sleeve compression unit for a bolt-and-pin connection, consisting of a compression sleeve with longitudinal slots located in the cavity of the guide sleeve formed by a conical surface, characterized in that, in order to improve the quality of the obtained connection by providing compression of the package of parts, it is equipped with a mechanism for capturing and separating the technological shank of the bolt rod, made in the form of spring-loaded jaws with a wedge-shaped working part, installed in the slots of the crimp sleeve, the conical surface of the guide sleeve is made with a stop, and the jaws are mounted with the possibility of interaction with the latter. cl 05 CO 4 ^ sri 1