CN202421821U - Optoelectronic protective device for vertical automatic molding line - Google Patents
Optoelectronic protective device for vertical automatic molding line Download PDFInfo
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- CN202421821U CN202421821U CN2012200244835U CN201220024483U CN202421821U CN 202421821 U CN202421821 U CN 202421821U CN 2012200244835 U CN2012200244835 U CN 2012200244835U CN 201220024483 U CN201220024483 U CN 201220024483U CN 202421821 U CN202421821 U CN 202421821U
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Abstract
The utility model discloses an optoelectronic protective device for a vertical automatic molding line. The device comprises an optoelectronic transmitter and an optoelectronic receiver which are arranged correspondingly. A delay control circuit is arranged between the output end of the optoelectronic receiver and the input end of a PLC (programmable logic controller); the delay control circuit comprises a middle relay controlled by the optoelectronic receiver; the first normally open contact of the middle relay and an output relay are connected in series on two ends of a power supply; the first normally open contact of the output relay is connected in parallel on the detection input end of the PLC, and the second normally open contact of the output relay is connected in parallel on two ends of the first normally open contact of the middle relay; the second normally open contact of the middle relay and a time relay are connected in series on two ends of the power supply; and a normally closed delaying contact of the time relay is connected in series on one end of the output relay. The optoelectronic protective device for the vertical automatic molding line has good vibration resistance, can prevent actuating components form being started and stopped frequently, is beneficial to guaranteeing the service lives of the actuating components and is particularly suitable for the occasions with frequent machine vibration.
Description
Technical field
The utility model relates to a kind of vertical moulding transfer matic and uses the photoelectricity protective device.
Background technology
Vertical moulding transfer matic is the abbreviation of vertical moulding automatic assembly line, is the state-of-the-art facility of the work of uninterruptedly electroplating in strict accordance with formulating good working routine, technological process and time requirement in advance.Its moves fast steady, high, the steady quality of output, but does not have the such randomness of manual line, thereby change is also difficult.Vertical moulding transfer matic is accomplished in the operation of all kinds of electroplating work procedures; Almost there is not any manual operations; But automatically accomplish whole electroplating work procedure processes through machinery and electric device, thereby can increase substantially labour productivity, stabilized product quality, reduce labor strength; And can improve working conditions, so receive direct labor's welcome deeply.Traditional vertical moulding transfer matic all needs the photoelectricity protective device and comes cooperating when work.The photoelectricity protective device of traditional structure generally comprises corresponding photoemitter and the photelectric receiver that is provided with, and the output terminal of photelectric receiver transmits control signal to the PLC input end.When the light that sends to photelectric receiver when photoemitter was blocked by object, photelectric receiver sent trigger pip to PLC, and action components such as PLC drive motor, cylinder, valve are shut down.But; When vertical moulding transfer matic normally moves, can produce vibrations, the photosignal that will cause photelectric receiver to receive like this is an impulse form; And then make photelectric receiver to the PLC output pulse signal; Finally cause the frequent start-stop of motor, cylinder, valve etc., not only influence product quality and work efficiency, also greatly reduce the serviceable life of action component.
Summary of the invention
The technical matters that the utility model will solve is to provide a kind of rational in infrastructure to above-mentioned deficiency, and anti-vibration resistance is good, can avoid the frequent start-stop of action component, and helps to ensure that the vertical moulding transfer matic in action component serviceable life uses the photoelectricity protective device.
For solving the problems of the technologies described above; This vertical moulding transfer matic comprises corresponding photoemitter and the photelectric receiver that is provided with the photoelectricity protective device; The output terminal of photelectric receiver transmits control signal to the PLC input end; Its design feature is: also be provided with delay control circuit between the output terminal of photelectric receiver and the PLC input end; Said delay control circuit comprise by photelectric receiver control the auxiliary reclay of dead electricity; First normally open contact and the output relay of auxiliary reclay are serially connected in both ends of power, and first normally open contact of output relay is connected in parallel on the detection input end of PLC, and second normally open contact of output relay is connected in parallel on the first normally open contact two ends of auxiliary reclay; Second normally open contact and the time relay of auxiliary reclay are serially connected in both ends of power, and the normally closed time-delay contact of the time relay is serially connected in output relay one end.
The vertical moulding transfer matic of this structure is to realize that through the time-delay filtration anti-vibration resistance is good with the photoelectricity protective device, can avoid the frequent start-stop of action component, and helps to ensure action component serviceable life.
The time-delay filtration mainly comprises the auxiliary reclay that is arranged on the photelectric receiver output terminal, and whether the power connection of auxiliary reclay is controlled by photelectric receiver.When photoemitter to the light of photelectric receiver emission during not by object blocks, photelectric receiver sends the power path of control signal blocking-up auxiliary reclay, auxiliary reclay must not.When photoemitter to the light of photelectric receiver emission during by object blocks, photelectric receiver stops to send the control signal of the power path of blocking-up auxiliary reclay, auxiliary reclay gets.First normally open contact and the output relay of auxiliary reclay are serially connected, and constitute first series arm be connected in parallel on both ends of power, like this, just can control the break-make of first series arm through auxiliary reclay, and that just controls output relay must dead electricity.First normally open contact of output relay is connected in parallel on the detection input end of PLC, plays the effect of sending detection signal to PLC.Second normally open contact of output relay is connected in parallel on the first normally open contact two ends of auxiliary reclay, can play the effect of self-locking first series arm, reached output relay in a single day be triggered electric purpose that just can continuous firing.Second normally open contact and the time relay of auxiliary reclay are serially connected, and constitute second series arm be connected in parallel on both ends of power, like this, just can control the break-make of second series arm through auxiliary reclay, and just the control time relay must dead electricity.The normally closed time-delay contact of the time relay is serially connected in first series arm, also has the effect of the control first series arm break-make.When object gets in the light path of photoemitter and photelectric receiver and stops light transmission, photelectric receiver control auxiliary reclay gets electric, first normally open contact closure of auxiliary reclay, and at this moment, first series arm and second series arm are simultaneously.Output relay get electric after, first normally open contact of output relay is closed, sends the detection signal that has object to arrive to PLC simultaneously, action components such as PLC control motor, cylinder, valve are shut down.The time relay gets and picks up counting after electric, and when the timing time of setting arrived, normally closed time-delay contact just converted off-state into, and at this moment, first series arm is cut off, the output relay dead electricity, and its first normally open contact recovers normally open.In timing time, no matter the light path between photoemitter and photelectric receiver is by the object blocks how many times, and its detection signal can not influence the duty of first series arm, more can not influence the signal condition that PLC detects input end.That is to say; In timing time; Detected new detection signal is filtered or has masked, and has therefore played the effect of avoiding the frequent start-stop of action component, and especially effect is more outstanding when the detection signal frequent variations that causes because of machine vibration; Anti-vibration resistance is better, has ensured action component serviceable life greatly.
As improvement, time relay two ends are parallel with alarm lamp.
When the time relay gets when electric; Alarm lamp also gets electric alarm, and just when PLC received detection signal and the shutdown of control action parts, alarm lamp is the while flashing light alarm also; Play the effect of alert, helped to ensure smooth and easy, the stable operation of vertical moulding transfer matic.
In sum, adopt the vertical moulding transfer matic of this structure rational in infrastructure with the photoelectricity protective device, anti-vibration resistance is good, can avoid the frequent start-stop of action component, and helps to ensure action component serviceable life, is particularly suitable for using in the frequent occasion of machine vibration.
Description of drawings
In conjunction with accompanying drawing the utility model is explained further details:
Fig. 1 is the structural representation of the utility model.
Among the figure: 1 is photoemitter, and 2 is photelectric receiver, and 3 is PLC, and 4 is delay control circuit; 5 is auxiliary reclay, and 6 is output relay, and 5-1,6-1 are first normally open contact; 5-2,6-2 are second normally open contact, and 7 is the time relay, and 7-1 is normally closed time-delay contact; 8 is alarm lamp, and 9 is first power supply, and 10 is second source.
Embodiment
As shown in Figure 1; This vertical moulding transfer matic comprises that with the photoelectricity protective device correspondence is arranged on the photoemitter 1 and photelectric receiver 2 on the vertical moulding transfer matic frame; Photoemitter 1 is supplied power by 9 unifications of first power supply with photelectric receiver 2, and first power supply 9 is 24 volts of power supplys of direct current.The output terminal of photelectric receiver 2 is electrically connected with delay control circuit 4, and the output terminal of delay control circuit 4 will be electrically connected with the detection input end of PLC3 (" 3 " are the Reference numeral in the accompanying drawing) here.The main effect of delay control circuit 4; Be after the control signal that receives photelectric receiver 2 outputs; Transmit control signal to PLC immediately, shut down with action components such as control motor, cylinder, valves, and in the delay time section of delay control circuit 4 set inside; No longer receive and handle any detection signal that photelectric receiver 2 sends, thereby realize avoiding the purpose of action component frequent start-stop.
In the present embodiment, said delay control circuit 4 comprises the auxiliary reclay 5 that is arranged on photelectric receiver 2 output terminals, and whether the power connection of auxiliary reclay 5 is by photelectric receiver 2 controls.When photoemitter 1 to the light of photelectric receiver 2 emission during not by object blocks, photelectric receiver 2 sends the power path of control signal blocking-up auxiliary reclay 5, auxiliary reclay 5 must not.When photoemitter 1 to the light of photelectric receiver 2 emission during by object blocks, photelectric receiver 2 stops to send the control signal of blocking-up auxiliary reclay 5 power paths, auxiliary reclay 5.The first normally open contact 5-1 and the output relay 6 of auxiliary reclay 5 are serially connected, and constitute first series arm that is connected in parallel on both ends of power.In the present embodiment, said first series arm is connected electrically in second source 10 two ends, and second source 10 is 200 volts of AC powers.Like this, just can control the break-make of first series arm through auxiliary reclay 5, just control output relay 6 dead electricity.The first normally open contact 6-1 of output relay 6 is connected in parallel on the detection input end of PLC, plays the effect of sending detection signal to PLC.The second normally open contact 6-2 of output relay 6 is connected in parallel on the first normally open contact 5-1 two ends of auxiliary reclay 5, can play the effect of self-locking first series arm, reached output relay 6 in a single day be triggered electric purpose that just can continuous firing.The second normally open contact 5-2 and the time relay 7 of auxiliary reclay 5 are serially connected; Constitute second series arm that is connected in parallel on second source 10 two ends; Like this, can also control the break-make of second series arm through auxiliary reclay 5, just control time relay 7 dead electricity.The normally closed time-delay contact 7-1 of the time relay 7 is serially connected in first series arm, also has the effect of the control first series arm break-make.
When object gets in the light path of photoemitter 1 and photelectric receiver 2 and stops light transmission; Photelectric receiver 2 control auxiliary reclays 5; The first normally open contact 5-1 of auxiliary reclay 5 is closed, and at this moment, first series arm and second series arm are simultaneously.Output relay 6 electric after, the first normally open contact 6-1 of output relay 6 is closed, sends the detection signal that has object to arrive to PLC simultaneously, action components such as PLC control motor, cylinder, valve are shut down.The time relay 7 pick up counting after electric, when the timing time of setting arrived, normally closed time-delay contact 7-1 just converted off-state into.At this moment, first series arm is cut off, output relay 6 dead electricity, and its first normally open contact 6-1 recovers normally open.In timing time; No matter the light path of 2 of photoemitter 1 and photelectric receivers is by the object blocks how many times; Its detection signal can not influence the duty of first series arm, more can not influence the signal condition that PLC detects input end, just can not influence the duty of action component yet.That is to say; In timing time; Detected new detection signal is filtered or has masked by delay control circuit 4, has therefore played the effect of avoiding the frequent start-stop of action component, and especially effect is more outstanding when the detection signal frequent variations that causes because of machine vibration; This vertical moulding transfer matic is better with photoelectricity protective device anti-vibration resistance, has ensured action component serviceable life greatly.
In the present embodiment, the time relay 7 two ends are parallel with alarm lamp 8.When time relay 7 when electric; Alarm lamp 8 also gets electric alarm, and just when PLC received detection signal and the shutdown of control action parts, alarm lamp 8 is the while flashing light alarm also; Play the effect of alert, helped to ensure smooth and easy, the stable operation of vertical moulding transfer matic.
Claims (2)
1. a vertical moulding transfer matic is used the photoelectricity protective device; Comprise corresponding photoemitter (1) and the photelectric receiver (2) that is provided with; The output terminal of photelectric receiver (2) transmits control signal to PLC (3) input end; It is characterized in that: also be provided with delay control circuit (4) between the output terminal of photelectric receiver (2) and PLC (3) input end; Said delay control circuit (4) comprise by photelectric receiver (2) control the auxiliary reclay (5) of dead electricity; First normally open contact (5-1) of auxiliary reclay (5) is serially connected in both ends of power with output relay (6); First normally open contact (6-1) of output relay (6) is connected in parallel on the detection input end of PLC (3); Second normally open contact (6-2) of output relay (6) is connected in parallel on first normally open contact (5-1) two ends of auxiliary reclay (5), and second normally open contact (5-2) of auxiliary reclay (5) is serially connected in both ends of power with the time relay (7), and the normally closed time-delay contact (7-1) of the time relay (7) is serially connected in output relay (6) one ends.
2. vertical moulding transfer matic as claimed in claim 1 is used the photoelectricity protective device, it is characterized in that: the time relay (7) two ends are parallel with alarm lamp (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200244835U CN202421821U (en) | 2012-01-19 | 2012-01-19 | Optoelectronic protective device for vertical automatic molding line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200244835U CN202421821U (en) | 2012-01-19 | 2012-01-19 | Optoelectronic protective device for vertical automatic molding line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202421821U true CN202421821U (en) | 2012-09-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200244835U Expired - Fee Related CN202421821U (en) | 2012-01-19 | 2012-01-19 | Optoelectronic protective device for vertical automatic molding line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202421821U (en) |
-
2012
- 2012-01-19 CN CN2012200244835U patent/CN202421821U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120905 Termination date: 20180119 |
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| CF01 | Termination of patent right due to non-payment of annual fee |