SU1405896A1 - Electrocntact transducer for monitoring and sorting automatic devices - Google Patents

Abstract

The invention relates to mechanical engineering. The purpose of the invention is to increase the measurement limits, simplify the configuration of a multi-range electrical contact converter and increase its reliability. For this purpose, the converter contains two two-arm levers with change-over contacts 13 and 14 and a measuring unit installed in the upper part of the body. The latter consists of a ruler 30 with divisions applied on it, along which the frame 31 with a nonius moves. The shoulders 11, 15 and 12, 16 of the levers are hinged, mutually perpendicular and aligned with each other by springs 17 and 18. The adjustment of the limits of the measurements is carried out. leads 24 and 25 on the measuring rod 23 and the rotation of the adjusting screws with contacts 5-8 limits. The gauge assembly is driven by the interaction of the driver 26 attached to the measuring rod 23 and the driver 33 attached to the frame 31 with the vernier. Moving along lineup 30, frame 31 shows the deviation of the dimensions of the investigated part from the nominal ones. 5 il. "(L

Description

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The invention relates to mechanical engineering and can be used to build control and sorting automatic devices.

The purpose of the invention is to increase the measurement limits, simplify the setting of the multi-range electrocontact converter and increase the reliability of its operation.

FIG. 1 and 2 shows a multi-terminal electrical contact transducer, general view; in fig. 3 and 4 - converter cover with a measuring node; in fig. 5 - kinematic converter circuit.

The multi-terminal electrical contact transmitter contains a base 1, made of a dielectric, in the bosses 2 of which the bushings 3 are pressed with micrometric threads. Adjusting screws 4 are screwed into the sleeves 3, at the ends of which the silver contacts 5–8 are pressed. The adjusting screws 4 are protected from inadvertent turning by U-shaped springs 9. In addition, axles 10 are pressed into base 1, on which two shoulders are mounted levers of changeover contacts of two contact groups. The two shoulders levers consist of the contact arms of the levers 25 11 and 12, in the slots of which the plates with silver contacts 13, 14 and the arms of the levers 15 and 16 are sealed. The arms of the levers 11 and 15, as well as the arms of the levers 12 and 16 are mounted springs 17 and 18 and are in a mutually perpendicular position. The springs 19 retract the composite arms to the initial position (all the transducer figures are shown in the initial position). A housing 20 is fixed to the base 1, on the ends of which there are fixed guide sleeves 21 and a sleeve 22 on which there is a thread 35 for securing a removable device for adjusting the converter. In these bushings, the measuring rod 23 progressively moves, on which the drivers 24 and 25, which interact respectively with the levers 15 and 16, are fixed, and the leader 26 interacts with the measuring unit. The measuring rod 23 is set to its original position by means of a spring 27 and a pin 28. On the body 20 a lid 29 of transparent plexiglas is fixed, on which the measuring unit is mounted.

The measuring unit (see Fig. 2) consists of a ruler 30 with divisions applied on it, along which the frame 31 with a vernier moves. The frame 31 is reset to its original position by a spring 32. On the side of the frame 31, a driver 33 is attached, which cooperates with a driver 26 fixed on the measuring rod 23. The ruler 30 is attached to the cover 29 by means of brackets 34 and 35 in which it can move freely. The 55 screw 36, the spring 37, the nut 38 fixed on the ruler 30 serves to set the measuring unit to "O.

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The Converter operates as follows (see Fig. 3).

Moving forward, the converter rests with the measuring rod 23 into the test piece 39. Moving in the guide bushes 21 and 22, the measuring rod 23 with the driver 25 presses the lever 15, which with the help of the spring 17 turns the lever 11 on the axes. of the set limit, the leash 25 does not touch the lever 15, the changeover contact 13 of the lever 11 and the contact 7 of the lower limit adjustment screw remain closed. If the part size corresponds to the established limits, the flip contact 13 will be between the contacts 7 and 8 of the lower and upper limit adjustment screws, and there is no closure with one of them. When the upper limit of the size of the investigated part is exceeded, contacts 13 and 8 are closed. Upon further movement of the measuring rod 23, the composite lever formed by the levers 11 and 15 "breaks down and allows the measuring rod 23 to move further. The second group of contacts works in a similar way, driven by a lead 24. The measurement limits are adjusted by moving the leads 24 and 25 along the measuring rod 23 and rotating the adjustment screws 4 with the contact limits 5-8. The measuring device is actuated by the interaction of the driver 26 fixed on the measuring rod 23 and the driver 33 fixed on the frame 31 with a noni-m, which, moving along the ruler 30. shows the deviation of the dimensions of the investigated part from the nominal ones. The installation of the "O" measuring unit is carried out with a screw 36. The adjustment of the converter is carried out using a removable device consisting of a housing 40, a screw 21, a nut 42.

The proposed multi-terminal electrical contact transducer is simple and reliable in operation and, in addition, allows you to visually control the dimensions of the investigated part.

Claims (1)

Invention Formula An electrical converter for control and sorting automatic devices, comprising a housing inside which insulating bushings with adjustable limit contacts are placed, a lever with a changeover contact fixed on it, and a measuring rod mounted with the ability to interact with the lever, characterized in that, in order to increase the limits measurements, simplifying its setup and increasing reliability, it is equipped with an additional lever with a flip contact and a measuring unit installed in the upper part of the body and made in the form of a ruler and a frame with a vernier mounted to movements along the ruler, while the levers are made by two shoulders, whose shoulders are articulated, mutually perpendicular and spring-loaded. HH J8 16 26 17 Ui 22 25 29 27 Phys .2 2in 33 Zi 31 Fig.d 34 32 FIG.