SU921755A1 - Apparatus for assembling threaded connections - Google Patents

Description

(54) DEVICE FOR ASSEMBLY OF THREAD CONNECTIONS

The invention relates to mechanical engineering, in particular to automatic threaded connections, and can be used in thread-closing devices. A device for assembling a threaded connection includes a rotating spindle and an allen key l spring-loaded relative to it. The main disadvantage of the known device is that it eliminates the possible mixing of the axes of the screwed-in part and the threaded hole, requires a special pneumatic device that sets the screwed-up detail of the search movement before baiting, which significantly complicates the process of making the joint. The purpose of the invention is to simplify the process of making money and increase the reliability of the threaded connection. This goal is achieved in that the socket wrench is provided with a spring-loaded mandrel with a clamping element, the mandrel being installed in the socket wrench with the possibility of axial movement. The drawing shows the proposed device for assembling threaded connections, common via. The threaded part I can be fed directly to the assembly position from the vibrating hopper (not shown) or captured from a cassette (not shown), orienting it can be carried out using known means (according to well-known schemes). At the assembly position, the part 1 is pressed against the plane 2 of the threaded hole 3, the plane 2 perpendicular to the fastening axis 4. A device for assembling threaded connections is attached to Spindle 5 and includes an end wrench 6 spring loaded 7. In the end wrench 6 there is a socket 8 made in the shape of the head of the threaded part. Sleeve 9 and cover 1 O st chutes with bolts It and prn

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using the split washer 12 installed in the annular groove of the spindle 5, is fixed on it. Inside the socket 8 of the end key 6, there is a mandrel 1.3 carrying the base element 14, which is a magnet that serves to grip and hold the part 1. The mandrel 13 by the spring 15 is spring-loaded relative to the spindle 5.

The device works as follows.

The thread I is captured and held at the assembly position by the base element 14 and the plane

2 of the threaded hole, the rotation of the spindle 5 is turned on, which together with the rotation receives an oscillation movement along the axis of fastening.

Under the action of a whole system of forces that periodically vary, the threaded part makes complex search movements and the bolt is pressed automatically in a mode that does not require the use of special orienting and searching devices. Depending on the magnitude and rate of change of force, under the action of which the spindle oscillates and the spindle rotational speed will change the nature of the search movements.

Subsequently, the spindle 5 is informed of the working movement of the feed, directed

7554

along the axis of screwing, the spring stiffness 7 is more rigid (x; those of the spring 15, therefore the mandrel 13 sinks in the slot 8, the head of the threaded part t of the pop5 gives into the slot 8, the screwing process is carried out to a predetermined depth.

The economic effect from the introduction of the proposed invention is achieved due to better performance

0 threaded connections, reduce the number and simplify the design of technological equipment, and consequently, increase its reliability and performance. 15

Claims (1)

Invention Formula A device for assembling threaded connections containing a spindle and an allen key spring-loaded relative to it, characterized in that, in order to increase the reliability of the assembling process, the allen key is provided with a spring-loaded mandrel with a base element, the mandrel being installed in the allen key with the possibility of axial movement. Sources of information taken into account in the examination I. USSR author's certificate N9 570473, cl. In 23 R 19/06, 1974.