SU1498562A1 - Arrangement for sorting parts - Google Patents

Abstract

The invention relates to a measurement technique, can be used in the control and sorting of miniature and small parts and allows you to expand the technological capabilities by quickly changing the number of sorted groups or the size range within the group. The device comprises a separation criterion forming unit, a control signal generating unit, a jet actuator unit, a control unit, a linearly varying pneumatic signal generator. The output of the latter is connected to the inputs of two comparison elements, the output of the calibrated pressure setting device is connected to the second input of the first one, and the second input of the second is connected to the inter-throttle chamber of the pneumatic sensor of linear dimensions. The outputs of the comparison elements are connected to the trigger inputs, its output is connected to one of the inputs of the element I, the second input of which is connected to the output of a stabilized frequency jet generator. The output of the element AND is connected to the input of the counting trigger of the formation unit of the separation criterion, the outputs of which are connected to the inputs of the first trigger decade of the counter, assembled on two OR-NOT-OR elements, their outputs are connected to the outputs of the control signal generation unit, the output elements of the OR element are installed -NO-OR, the inputs of which are connected to the corresponding outputs of the control signal block, and the outputs through amplifiers-to the inputs of jet actuators, made in the form of nozzles on the side wall of the conveying canal la coaxially receiving trays, in which control sensors are installed. The outputs of the latter through the OR element are connected to one of the inputs of the second trigger, the second input of which is connected to the output of the component position sensor at the measuring position, and the output through the amplifier is connected to the start element valve of the circuit for the next measurement. 2 Il.

Description

The invention relates to a measuring technique and can be used in machine building and instrument making in the control and sorting of parts according to linear dimensions.

The purpose of the invention is the expansion of technological capabilities by quickly changing the number of sorted groups or the size range within the group.

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Figure 1 shows the block diagram of the device; 2 shows a separation criterion forming unit.

The device contains a delivery mechanism 1 for sorted parts, a control unit 2 containing a pneumatic sensor of 3 linear dimensions and a sensor 4 for positioning the part. To convert the pneumatic signal corresponding to the measured value, a generator 5 of a pneumatic linearly varying signal is installed in the time interval, the output of which is connected to the inputs of the comparison circuits 6 and 7, the second input of the element 6 is connected 1c with the setting device 8, and the second input of the element 7 connected pneumatic sensor 3 linear dimensions. The output of the comparison circuits 6i and 7 are connected to the inputs of the trigger 9, its output is connected to the input of the element and 10, and the second input of this element is connected to the output of the jet generator 11 of stabilized frequency pulses. The output of the element 10 is connected to the separation criterion formation unit 12, which through the control signal generation unit 13 is connected with the unit 14 of jet actuators f having nozzles 15 located in the side walls of the transport channel 16 coaxially with receiving trays 17 in which jet placed

passage control sensors 18

taley block 19 accounting. The outputs of the signals from the metering unit 1.9 through the element 1 20 are fed to the trigger 21, and to the amplifier 22 and further to the element 23, which turns on or off the generator 5 of the pneumatic linearly varying signal.

The separation criterion formation unit 12 includes a trigger with a counting input 24, which receives pulses from an AND 10 element, Muton-reverse outputs of a counting trigger 24 are connected via the distributor 25 signals, respectively, to the inputs of odd and even triggers assembled on two OR-NOT elements OR 26 and 27. The outputs from elements 27 are connected to the outputs of switch 28 and to the inputs of subsequent elements g27, the output of the ninth element 27 (, 9) is connected to the output of switch 2B and the input of inverter 29, the direct output of element 29 is connected to input element and SHSH-NOT 30, second inlet

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which is connected to the direct output of the counting trigger 24. The output of the element 30 is connected to the input of the element 27 U) of the first trigger. The inverse output of the element 29 is connected to the input of the second counting trigger 31. Its mutually inverted outputs through the distributor 32 signals are connected respectively to the inputs of odd and even triggers assembled on the OR-NOT-OR elements 33 and 34. The outputs from the elements 34 are connected to the terminals of the switch 35 and to the inputs of the subsequent elements 34. In addition, the block 13 contains elements OR NON-W 36, the inputs of which are connected to the leads of the switch 37 of the block 13. The inverse outputs of the elements 36 are connected to the leads of the switch 38 of the block 13, which can be connected to the input jet actuators 14.

The device works as follows.

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The controlled part is fed to the control unit 2, on which the pneumatic sensor 3 is installed, by means of the component feed mechanism 1. An interstitial chamber of the sensor 3 is set to a pressure proportional to the measured size of the part. The part location sensor 4 detects the presence of the part at the measurement position and the signal from it arrives at the inverted input of the trigger 21, the signal disappears at the output of the trigger 21, the amplifier 22 turns off and the valve of the element 23 closes the output from the generator of a pneumatic linearly varying signal the atmosphere, the output of the FPG 5, which is connected to the inputs of the comparison circuits 6 and 7, begins to vary in pressure, for example, to increase. The increase in pressure at the outlet of the FPG 5 occurs in proportion to time. To fix the time, the time interval is filled with pulses of a stabilized frequency, absorbed by a jet generator 11 of a stabilized frequency. A setpoint pressure regulator 8 is installed to fix the origin. When the pressure of the sensor 8 coincides with the increasing pressure from GPLS 5, the circuit 6 switches and from its output the signal enters the trigger input 9, the trigger 9 switches and the signal from its output enters the input of element 10. At the second input of this element 10 The generator 11 pulses are received. When the signals from trigger 9 and pulses from generator 11 coincide, the last passes to the input of the counting trigger 24 of block 12. At the outputs of trigger 24, signals that arrive at the inputs of the OR-NOT-OR elements appear successively.

26 trigger locking units. At the beginning of work, all the triggers are switched by sending a pulse signal of the trigger exhibition in such a way that at the outputs of all elements IIIIII - HE-HIM

Trigger units are set. When the first pulse arrives from the counting trigger 24, the trigger 26 (.1) - 27 (1) is switched and O is set at its output, which now does not prevent the switching of the next trigger. The arrival of the second pulse switches the counting trigger 24, and at its inverse output a signal appears, switching the trigger 26 (2) - 27 (2), and so on. With the advent of the ninth pulse, trigger 26 (9) - 27 (9) is switched. On

: the direct output of element 29 will be O, la on inverse 1, which is fed to the input of the second counting trigger 31. Trigger 31 is ready for switching. The zero from the element 29 enters the input of the element SH-NOT 30, but since the second input of this element from the counting trigger 24 receives 1, the element does not switch. When the tenth pulse arrives, the counting trigger 24 switches and at its direct output it will be O. Two zero at the input of element 30 is given at its output 1 and all the flip-flops 26-27 are switched. A unit will appear at the output of element 27 (9), which will remove the signal from the output of element 30 and the signal from the input of the counting trigger 31 and a unit will appear at its direct output. There is a trigger switching 33U) 34 (1). Further, at the occurrence of the next pulse at the output of the element I, the switching of the following triggers 26-27 and so on occurs.

With the coincidence of the increasing pressure with GPLS 5 with pressure in. The inter-throttle chamber of the sensor of 3 linear dimensions switches the comparison circuit 7 and switches

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trigger 9. The flow of pulses from the generator 11 into the separation criterion forming unit 12 is stopped. At the outputs of the switches 28 and 35, those signals (zero or one) are fixed, which are set at the moment trigger 9 is turned off.

For example, with 64 pulses, the zeros will be on the first four pins of the switch 28 and on the six pins of the switch 35. All the other pins have single signals. To program the number of size groups and the size range within the size group, it is necessary to connect the corresponding leads of the switches 28 and 35 with the leads of the switch 37 using flexible hoses. So, for example, the entire measuring range should be divided into five groups with an interval of eighteen pulses at the bottom the boundary corresponding to 30 pulses, it is necessary to connect pin 35 (3) with pin 37 (1), pins 28 (.8) and 351.4) with 37U), pins 28 (6) and 35i6) with 37 (3), pins 28 ( 4) and 351.8) and 371.4). In this case, if the size of the inspected part is smaller than the specified one (corresponding to 30 points), then the trigger 33 (3) - 34 (3) does not switch and a unit is stored at its output, which is fed to the input of element 36 (1) and The output of the switch 38 (1) will be one. This signal arrives at the correspondences of the jet actuator. If the part size is within the interval corresponding to the pulses, the trigger 33 (3) - 34 (3) switches, but the triggers 33 (4) - 34 (4) and 26 (8) - 27 (8) have not yet switched. Therefore, at the inputs of element 36 (1) there will be zeros and a single signal appears at the output of switch 38 (2), il so on.

Thus, from the pins of the switch 38 receives a signal to one of

0 nozzles 15 of the jet actuator 14, corresponding to the size group of this controlled part. After the measurement is completed, the command to move is received.

5 details by the air flow through the transport channel 16. When approaching the parts to the corresponding receiving tray 17 by air flow from the nozzle 15, the part moves to this time.

tray. The monitoring of the passage of the part in the receiving tray is carried out by an inkjet sensor 18 for monitoring the passage of the parts. A single signal from this sensor enters block 19 and through the OR element 20 at the trigger input 21. Since the signal from the component location sensor 4 is not currently present, Q flip-flop 21 switches and at its output appears with a single signal. This signal is fed to the amplifier 22, the ac of its output to the valve of the element 23 and the exhibition of all triggers to prepare the circuit for a new cycle. The valve of the element 23- opens and communicates the SLS 5 with the atmosphere. The pressure in GPLS 5 drops to atmospheric and it is prepared for the next cycle. Next, a new item me-20 with feed feed 1 is fed to the measurement position of the control assembly 2. The part is fixed at the measuring position and the sensor of the location of the part signals its presence. The trigger 25 21 is switched and the valve of the element 23 is closed. A new cycle of measuring and sorting the part begins.

formula of invention

A device for sorting parts containing a delivery unit, a control unit containing a linear dimension sensor, a control unit containing triggers, an And circuit and a sorting unit containing a transporting tray, in the side walls of which there are nozzles - pushers made in relation to the receiving trays, which are located the jet sensors for controlling the passage of the part, the amplifier and the unit of jet actuators associated with the corresponding pusher nozzles, characterized in that with the aim of expanding the technological possibilities by quickly changing the number of sorted groups or size diaozone inside r1s), the package contains a calibrated pressure generator, a pneumatic linearly varying signal generator with its switching element, a stabilized frequency generator, a comparison circuit, a metering unit, the control unit additionally contains a part position sensor , and the control unit further comprises an OR circuit, a control signal generation unit and a criterion generation unit

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separation, containing counting triggers, an IPI-NE element, signal distributors, an inverter, OR-NOT-OR elements, and switches, the sensor outputs of the pressure gauge and the sensor of linear size are connected to the first inputs of the comparison circuits, the outputs connected to the corresponding inputs of the first a trigger whose output is connected to the first input of the circuit I, the output connected to the input of the first counting trigger, the direct and diverting inputs of which are connected to the inputs of the first distributor, the outputs connected to the corresponding n the inputs of the first elements of the ShZH-NOT-YALI outputs which are connected to the first inputs of the second elements OR-NOT-OR outputs associated with the outputs of the first switch and with the second inputs of the subsequent second elements OR-NOT-OR, with the output of the last of the second YLE or NOT elements are connected to the output of the first switch and to the input of the inverter, the direct output of which is connected to the first input of the OR-NOT element, the output connected to the second input of the first of the second OR OR NOT-SHB1, direct output of the first counting trigger connected to the second input of an OR-NOT element, while the inverting output of the inverter is connected to the input of the counting trigger, the inverting and direct outputs of which are connected to the inputs of the second signal distributor, the outputs of which are connected to the corresponding inputs of the third elements of STI-NE-SHS, outputs with the first inputs of the fourth elements OR-NOT-OR, the outputs connected to the outputs of the second switch, and the corresponding outputs of the switches are connected via the control signal generation unit to the corresponding inputs of the inkjet unit of the engine, the outputs of the inkjet sensors controlling the passage of parts are connected through the metering station with the corresponding inputs of the MILLION circuit, which is connected to the first input of the second trigger, the output of which is connected through the amplifier to the second input of the fourth OR-NOT-OR element and the generator input of a pneumatic linearly varying signal, the output connected to

the second inputs of the comparison circuits and the output of the stabilized frequency pulse generator are connected to the second input of the AND circuit, while the output of the jet actuator unit is connected to the control unit input, the output of which is connected to the input sensor of the part position, the output connected to the second input of the second trigger.

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Claims (1)

Claim A device for sorting parts containing a feed unit, a control unit containing a linear size sensor, a control unit containing triggers, an I circuit and a sorting unit containing a transport tray, 35 in whose side walls there are nozzle push rods made coaxially with the receiving trays in which there are placed inkjet sensors for monitoring the passage of a part, an amplifier and a block of inkjet actuators connected to the corresponding nozzles by pushers, characterized in that, in order to expand techno “- · 45 logical opportunities by quickly changing the number of sorted groups or the size range within the group, it contains a calibrated pressure adjuster, a pneumatic linearly varying signal generator with its switching element, a stabilized frequency generator / comparison circuit, metering unit, control unit additionally contains a part position sensor, and the singing control unit 55 additionally contains an OR circuit, a control signal generating unit and a separation criterion generating unit containing counting triggers, OR-HE element, signal distributors, inverter, OR-NOR elements and switches, the outputs of the calibrated pressure switch and a linear size sensor connected to the first inputs of the comparison circuits, outputs connected to the corresponding inputs of the first trigger, the output of which is connected to the first input of the And circuit, the output connected to the input of the first counting trigger, the direct and gunting outputs of which are connected to the inputs of the first signal distributor, the outputs connected to the corresponding inputs of the first elements OR-NOT-OR the outputs of which are connected to the first inputs of the second OR-NOT-OR elements, outputs connected to the terminals of the first switch and to the second inputs of the subsequent second OR-NOT-OR elements, while the output of the last of the second OR-NOT-OR elements is connected to the output of the first switch and with the input of the inverter, the direct output of which is connected to the first input of the OR-HE element, the output connected to the second input of the first of the second OR-NOT-OR elements, I have the direct output of the first counting trigger connected to the second input of the OR-HE element, while out One inverter is connected to the input of the counting trigger, the inverting and direct outputs of which are connected to the inputs of the second signal distributor, the outputs of which are connected to the corresponding inputs of the third elements OR-NOT-OR, the outputs connected to the first inputs of the fourth elements OR-NOT-OR, the outputs connected to the conclusions of the second switch, and the corresponding conclusions of the switches are connected through the control signal generation unit to the corresponding inputs of the additional inkjet mechanisms unit, the outputs of the inkjet sensors the control of the passage of parts are connected through the metering unit to the corresponding inputs of the OR circuit, the output connected to the first input of the second trigger, the output of which through the amplifier is connected to the second input of the fourth OR-NOT-OR element and through the switching element to the input of the pneumatic non-linear signal generator, the output connected to the second inputs of the comparison circuits, and the output of the stabilized frequency pulse generator is connected to the second input of the And circuit, while the output of the block of inkjet actuators is connected to the control unit node, the output of which is connected to the input of the part position sensor, the output of which is connected to the second input of the second trigger.