CN213247139U - Stringing control system in stringing machine - Google Patents

Abstract

The utility model discloses a stringing control system in stringing machine belongs to stringing machine technical field, automatic stringing system including the work of stringing mechanism and control stringing mechanism, automatic stringing system includes the induction circuit who is used for detecting that the staff puts the snak link in the loading chute and exports induction signal when stretching out the frame with the hand, with the first drive circuit of induction circuit electrical property, with the second drive circuit of first drive circuit electrical property, a cotton rope detection circuitry for exporting reaction signal when detecting the couple subassembly and hanging the cotton rope, with cotton rope detection circuitry electric connection's third drive circuit, with third drive circuit electric connection's fourth drive circuit. The utility model discloses a stringing control system among stringing machine has realized that the snak link places the automatic action of reeving behind the loading chute, and convenient operation has improved the effect of reeving.

Description

Stringing control system in stringing machine

Technical Field

The utility model relates to a stringing machine technical field specifically is a stringing control system in stringing machine.

Background

The spring fastener is a relatively common elastic structure, is often used for cap or cuff on the clothes, in the manufacturing process, needs to pass the cotton rope spring fastener, and when not pressing down the briquetting of spring fastener, the spring can jack up the briquetting, and the cotton rope is unable flexible freely, and after the extrusion briquetting, the cotton rope just can freely pass the through-hole at middle part and zoom.

The utility model discloses chinese patent with bulletin number CN211153991U introduces an automatic threading buckle auxiliary assembly, including base, support frame and last loading board, it sets up supplementary threading mechanism on the surface to go up support frame one side, supplementary threading mechanism includes first cylinder, second cylinder and knot mould, first cylinder is installed in last loading board one end, first cylinder lower extreme fixed connection activity pressure core, the second cylinder passes through bolt fixed connection on support frame one side surface, bolt fixed connection line rope fixture block is passed through to second cylinder one end, the knot mould sets up on the base of cotton rope fixture block one side on the side.

Above-mentioned technical scheme is applicable to the threading operation of different specification cable ties, has reduced the operation degree of difficulty of operation personnel simultaneously, is fit for mass production, improves the productivity, but this equipment need step on the running-board and just can accomplish the threading operation, and work efficiency is lower, is unfavorable for production.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem among the prior art, and the stringing control system among the stringing machine that provides has realized the automatic stringing action that the snak link placed behind the loading groove, and convenient operation has improved the effect of stringing.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a wire rope handling control system in wire rope handling machine, includes the automatic wire rope handling system of wire rope handling mechanism and control wire rope handling mechanism work, wire rope handling mechanism includes frame, operation piece, first cylinder, second cylinder and couple subassembly, one side that the operation piece is close to first cylinder is offered and is used for placing the loading groove of snak link, first cylinder perpendicular to frame setting and its piston rod move towards the loading groove, the second cylinder level is in the frame setting and its piston rod connection couple subassembly and drives the through-hole that the couple subassembly passed the snak link, first cylinder is connected with the electro-magnet YA1 that its piston rod of control stretches out and the electro-magnet YA2 of piston rod shrink, the second cylinder is connected with electro-magnet YB1 that its piston rod of control stretches out and the electro-magnet YB2 of piston rod shrink, the automatic wire rope handling system includes:

the sensing circuit is used for detecting that a worker places the spring buckle in the loading groove and outputs a sensing signal when stretching a hand out of the rack;

the first driving circuit is electrically connected with the sensing circuit and responds to the sensing signal to control the piston rod of the first air cylinder to extend out and output a first action signal when the pressure head is pressed;

the second driving circuit is electrically connected with the first driving circuit and responds to the first action signal to control the piston rod of the second cylinder to extend out and penetrate through the through hole of the spring buckle;

the rope detection circuit is used for outputting a reaction signal when the hook assembly is hung with a rope;

the third driving circuit is electrically connected with the thread rope detection circuit and responds to the reaction signal to control the piston rod of the second air cylinder to contract to the initial position and output a second action signal;

and the fourth driving circuit is electrically connected with the third driving circuit and responds to the second action signal to control the piston rod of the first air cylinder to contract to the initial position.

By adopting the technical scheme, when an operator places the spring fastener in the loading groove and extends out a hand, the operator outputs a sensing signal to the first driving circuit through the sensing circuit, the first driving circuit controls the piston rod of the first air cylinder to extend out to the extrusion pressure head so that the pressure head corresponds to the through hole of the spring fastener, then the first driving circuit outputs a first action signal to the second driving circuit, the second driving circuit controls the piston rod of the second air cylinder to extend out so that the hook component connected to the piston rod passes through the through hole, then the rope is hung on the hook component, the rope detection circuit detects that the rope generates stress on the hook component and outputs a reaction signal to the third driving circuit, the third driving circuit controls the piston rod of the second air cylinder to retract to an initial position, meanwhile, the rope is driven to pass through the through hole to complete rope threading action, the second action signal is output to the fourth driving circuit, and the fourth driving circuit controls the piston of the first air cylinder to retract to, thereby put the action that the spring catch stretched back the hand again in loading the groove through the staff, can accomplish the operation of wire rope handling automatically, convenient operation, work efficiency is high.

The utility model discloses further set up to: the sensing circuit includes:

the object detection circuit is used for detecting that the spring fastener is placed in the loading groove and outputting a first detection signal;

the hand detection circuit is electrically connected with the object detection circuit, responds to the first detection signal and outputs a second detection signal when a worker extends a hand to the rack;

and the judgment circuit is electrically connected with the hand detection circuit and responds to the second detection signal and outputs a sensing signal when the hand extends out of the rack.

Through adopting above-mentioned technical scheme, put at loading inslot output first detected signal to people's hand detection circuit through article detection circuitry detection spring fastener, then people's hand detection circuit detects that staff's hand stretches into output second detected signal to judgement circuit in the frame, judgement circuit detects the hand and stretches out frame back output sensing signal to first drive circuit, through putting earlier the stretching into of just can detecting the hand behind the spring fastener, avoid the hand to stretch into unintentionally, and produce the unnecessary cylinder action, the security has been improved, and the work effect is improved.

The utility model discloses further set up to: the object detection circuit includes:

the first pressure sensor is arranged in the loading groove and outputs a first pressure signal when the spring buckle is placed in the loading groove;

the first comparison circuit is electrically connected with the first pressure sensor and outputs a first detection signal when the first pressure signal is greater than a reference signal of the first comparison circuit.

Through adopting above-mentioned technical scheme for whether first pressure sensor can have to put the snak link in the loading groove and detect, have to place the snak link when loading the groove, staff detection circuitry starts.

The utility model discloses further set up to: the human hand detection circuit includes:

the pyroelectric infrared sensor is arranged on the rack and used for detecting that a hand extends into the rack and outputting a hand detection signal;

and the trigger circuit is electrically connected with the pyroelectric infrared sensor and responds to the hand detection signal to output a second detection signal.

Through adopting above-mentioned technical scheme, when pyroelectric infrared sensor received the hand and stretched into the frame and the thermal radiation signal that produces, convert thermal radiation signal into hand detected signal and transmit to trigger circuit and receive.

The utility model discloses further set up to: the judgment circuit includes:

the delay circuit is electrically connected with the trigger circuit, responds to the second detection signal and outputs a delay signal with set duration when the second detection signal disappears;

and the falling edge control circuit is respectively electrically connected with the trigger circuit and the delay circuit, respectively responds to the delay signal and the second detection signal and outputs an induction signal when the second detection signal disappears.

By adopting the technical scheme, after the hand extends out of the rack, the second detection signal disappears, the delay circuit can output the delay signal with set duration to the falling edge control circuit after detecting that the second detection signal disappears, and the falling edge control circuit can output the induction signal when receiving the falling edge signal and the delay signal generated by the disappearance of the second detection signal.

The utility model discloses further set up to: the wire rope detection circuit includes:

the second pressure sensor is arranged in the hook assembly and outputs a second pressure signal when the wire rope is hung on the hook assembly;

and the second comparison circuit is electrically connected with the second pressure sensor and outputs a response signal when the second pressure signal is greater than the reference signal of the second comparison circuit.

Through adopting above-mentioned technical scheme for whether second pressure sensor has to hang on the couple subassembly and put the cotton rope and detect, have to hang and put the cotton rope when the couple subassembly, the cylinder shrink of second cylinder.

The utility model discloses further set up to: the hook assembly comprises a hook needle and an installation block, the hook needle is inserted into the installation block, the installation block is connected to a piston rod of the second air cylinder, and the second pressure sensor is installed between the hook needle and the installation block.

Through adopting above-mentioned technical scheme, when the cotton rope was hung on the crochet hook, produced pressure through the cotton rope to the crochet hook, this pressure can act on and can produce the second pressure signal on the second pressure sensor.

The utility model discloses further set up to: the falling edge control circuit comprises a falling edge D flip-flop.

By adopting the technical scheme, the state of the trigger D is changed to output the sensing signal at the moment of low level transition by generating the high-level second detection signal.

To sum up, the utility model discloses following beneficial effect has:

when an operator places the spring fastener in the loading groove, and outputs a sensing signal to the first driving circuit through the sensing circuit after extending out a hand, the first driving circuit controls a piston rod of the first air cylinder to extend out to an extrusion pressure head so that the pressure head corresponds to a through hole of the spring fastener, and then outputs a first action signal to the second driving circuit, the second driving circuit controls a piston rod of the second air cylinder to extend out so that a hook component connected to the piston rod passes through the through hole, then a rope is hung on the hook component, a stress generated by the rope on the hook component is detected by the rope detection circuit to output a reaction signal to the third driving circuit, the third driving circuit controls the piston rod of the second air cylinder to contract to an initial position, and simultaneously drives the rope to pass through the through hole to complete a rope threading action and output a second action signal to the fourth driving circuit, and the fourth driving circuit controls the piston of the first air cylinder to contract to the initial, thereby put the action that the spring catch stretched back the hand again in loading the groove through the staff, can accomplish the operation of wire rope handling automatically, convenient operation, work efficiency is high.

Drawings

Fig. 1 is a schematic structural view of a stringing control system in a stringing machine according to the present invention;

FIG. 2 is a circuit diagram of the object detection circuit of the present invention;

FIG. 3 is a circuit diagram of the hand detection circuit of the present invention;

fig. 4 is a circuit diagram of the judging circuit of the present invention;

fig. 5 is a circuit diagram of the cord detecting circuit of the present invention;

fig. 6 is a circuit diagram of the first driving circuit, the second driving circuit, the third driving circuit and the fourth driving circuit of the present invention.

In the figure: 1. a frame; 2. an operation block; 3. a first cylinder; 4. a second cylinder; 5. a loading slot; 6. a hook assembly; 7. a first drive circuit; 8. a second drive circuit; 9. a cord detection circuit; 10. a third drive circuit; 11. a fourth driving circuit; 12. an object detection circuit; 13. a human hand detection circuit; 14. a judgment circuit; 15. a first pressure sensor; 16. a first comparison circuit; 17. a pyroelectric infrared sensor; 18. a trigger circuit; 19. a delay circuit; 20. a falling edge control circuit; 21. a second pressure sensor; 22. a second comparison circuit; 23. hooking a needle; 24. and (7) installing the block.

Detailed Description

In the following description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like refer to the orientation or position relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not refer to or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus are not to be construed as limiting the present invention.

A stringing control system in a stringing machine is disclosed, and is shown in figure 1 and comprises a stringing mechanism, wherein the stringing mechanism comprises a rack 1, an operation block 2, a first air cylinder 3, a second air cylinder 4 and a hook component 6, the operation block 2 is installed on the rack 1 and corresponds to the first air cylinder 3, one side, close to the first air cylinder 3, of the operation block 2 is provided with a loading groove 5 for placing a spring fastener, then the first air cylinder 3 is arranged perpendicular to the rack 1, a piston rod of the first air cylinder can move towards the loading groove 5, the second air cylinder 4 is arranged horizontally to the rack 1, a piston rod of the second air cylinder 4 is connected with the hook component 6, and drives the hook component 6 to penetrate through a through hole of the spring fastener, the hook component 6 comprises a hook needle 23 and an installation block 24, the installation block 24 is connected to the piston rod of the second air cylinder 4, and the hook needle 23 is fixedly inserted into the installation block.

Referring to fig. 1, install the rubber sleeve with the snak link contact on the piston rod of first cylinder 3, the rubber sleeve is close to and is the plain end face on one side of loading groove 5, and the rubber sleeve is safer than the piston rod, is difficult to the fish tail, extrusion snak link that can be better.

Referring to fig. 2, 3, 4, 5 and 6, the automatic rope threading system for controlling the operation of the rope threading mechanism is further included, the first cylinder 3 is connected with an electromagnet YA1 for controlling the extension of the piston rod and an electromagnet YA2 for controlling the contraction of the piston rod, the second cylinder 4 is connected with an electromagnet YB1 for controlling the extension of the piston rod and an electromagnet YB2 for controlling the contraction of the piston rod, and the automatic rope threading system includes an induction circuit, a first driving circuit 7, a second driving circuit 8, a rope detection circuit 9, a third driving circuit 10 and a fourth driving circuit 11. The sensing circuit is used for detecting that a worker puts the spring buckle in the loading groove 5 and outputs a sensing signal when stretching a hand out of the rack 1, the first driving circuit 7 is electrically connected with the sensing circuit, the sensing circuit responds to the sensing signal to control the piston rod of the first cylinder 3 to stretch out and outputs a first action signal when pressing the pressure head, the second driving circuit 8 is electrically connected with the first driving circuit 7 and responds to the first action signal to control the piston rod of the second cylinder 4 to stretch out and penetrate through a through hole of the spring buckle, the thread rope detecting circuit 9 is used for detecting that a reaction signal is output when the hook assembly 6 is hung with a thread rope, the third driving circuit 10 is electrically connected with the thread rope detecting circuit 9 and responds to the reaction signal to control the piston rod of the second cylinder 4 to contract to an initial position and outputs a second action signal, and the fourth driving circuit, and the third driving circuit 10 is electrically connected to control the piston rod of the first cylinder 3 to retract to the initial position in response to the second operation signal.

Referring to fig. 2, the sensing circuit includes an object detection circuit 12, a hand detection circuit 13, and a determination circuit 14. The object detection circuit 12 includes a first pressure sensor 15 and a first comparison circuit 16, the first pressure sensor 15 is installed in the loading slot 5 and outputs a first pressure signal when the snap fastener is placed in the loading slot 5, the first comparison circuit 16 is electrically connected to the first pressure sensor 15, wherein the first comparison circuit 16 includes a resistor R1, a resistor R2 and a comparator a1, one end of the resistor R1 is coupled to the power source VCC, the other end of the resistor R1 is coupled to one end of the resistor R2, the other end of the resistor R2 is grounded, the inverting terminal of the comparator a1 is coupled to a node of the resistor R1 and the resistor R2 to receive a reference signal, the reference signal is that the loading slot 5 is free of the snap fastener, the inverting terminal of the comparator a1 is coupled to the first pressure sensor 15 to receive the first pressure signal, the output terminal of the comparator a1 is coupled to the base of an NPN type transistor Q1, the collector of the NPN type transistor Q1 is connected in series to a relay KM1 to the power source VCC, the emitter of the NPN transistor Q1 is grounded.

Referring to fig. 3, the hand detection circuit 13 includes a pyroelectric infrared sensor 17 and a trigger circuit 18, the pyroelectric infrared sensor 17 is installed in the rack 1 and used for detecting that a hand extends into the rack 1, the trigger circuit 18 includes an NPN type triode Q2 and a relay electromagnetic coil KM2, the pyroelectric infrared sensor 17 is connected in series with a base of a relay normally open contact K1-1 to an NPN type triode Q2, a collector of the NPN type triode Q2 is connected in series with the relay electromagnetic coil KM2 to a power source VCC, and an emitter of the NPN type triode Q2 is grounded.

Referring to fig. 4, the determining circuit 14 includes a delay circuit 19 and a falling edge control circuit 20, wherein the delay circuit 19 includes a not-gate circuit and a 555 one-shot circuit 18, the 555 one-shot circuit 18 includes an NE555 chip IC1, a variable resistor Rp, a capacitor C1 and a capacitor C2, an input terminal of the not-gate circuit is connected in series to a relay normally-open contact K2-1 to a power VCC, an output terminal of the not-gate circuit is coupled to a2 pin of the NE555 chip IC1, a1 pin and a 5 pin of the NE555 chip IC1 are grounded, an 8 pin and a 4 pin of the NE555 chip IC1 are electrically connected to the power VCC, a 7 pin of the NE555 chip IC3 is electrically connected to the variable resistor Rp connected in series with the resistor R3 and electrically connected to the power VCC, the set time length is adjusted by adjusting a resistance value of the variable resistor Rp, a 6 pin of the NE555 chip IC1 is electrically connected to one end of the capacitor C1, and the other end of the capacitor C1, and the resistor R3 is electrically connected with the capacitor C1. The falling edge control circuit 20 comprises a falling edge D flip-flop IC2 and an NPN type triode Q3, wherein a pulse input terminal CLK of the falling edge D flip-flop IC2 is coupled to a node between the not gate circuit and the normally open contact K2-1 of the relay, an input terminal D of the falling edge D flip-flop IC2 is coupled to a pin 3 of the NE555 chip IC1, an output terminal Q of the falling edge D flip-flop IC2 is coupled to a base of the NPN type triode Q3, a collector of the NPN type triode Q3 is connected in series with the relay electromagnetic coil KM3 to a power source VCC, and an emitter of the NPN type triode Q3 is grounded.

Referring to fig. 5 and 6, the first driving circuit 7 includes an electromagnet YA1, a time relay coil KT1, a time relay normally-closed contact KT1-1 and a relay normally-open contact K3-1, one end of the relay normally-open contact K3-1 is coupled to the power source VCC, the other end of the relay normally-open contact K3-1 is coupled to one end of the electromagnet YA1, the other end of the electromagnet YA1 is coupled to one end of the time relay coil KT1, the other end of the time relay coil KT1 is coupled to one end of the time relay normally-closed contact KT1-1, and the other end of the time relay normally-closed contact KT1-1 is grounded. The second driving circuit 8 comprises an electromagnet YB1, a time relay coil KT2, a time relay normally-closed contact Kt2-1 and a time relay normally-open contact Kt1-2, one end of the time relay normally-open contact Kt1-2 is coupled to a power supply VCC, the other end of the time relay normally-open contact Kt1-2 is coupled to one end of an electromagnet YB1, the other end of the electromagnet YB1 is coupled to one end of the time relay coil KT2, the other end of the time relay coil KT2 is coupled to one end of the time relay normally-closed contact Kt2-1, and the other end of the time relay normally-closed contact Kt2-1 is grounded. The wire detecting circuit 9 includes a second pressure sensor 21 and a second comparing circuit 22, the second comparing circuit 22 includes a resistor R4, a resistor R5 and a comparator a2, one end of the resistor R4 is coupled to the power source VCC, the other end of the resistor R4 is coupled to one end of the resistor R5, the other end of the resistor R5 is grounded, the inverting terminal of the comparator a2 is coupled to a node between the resistor R4 and the resistor R5 to receive a reference signal, the reference signal is that the crochet hook 23 has no wire, the inverting terminal of the comparator a2 is coupled to the second pressure sensor 21 to receive a second pressure signal, the output terminal of the comparator a2 is coupled to a base of an NPN-type triode Q4, a collector of the NPN-type Q4 is connected in series to the power source VCC through a relay electromagnetic coil KM4, an emitter of the NPN-type triode Q4 is grounded, the third driving circuit 10 includes an electromagnet ybkt 2, a time relay coil 3, a normally closed contact KT3-1 and a normally closed contact 4-1, one end of a relay normally-closed contact K4-1 is coupled to a power supply VCC, the other end of the relay normally-closed contact K4-1 is coupled to one end of an electromagnet YB2, the other end of the electromagnet YB2 is coupled to one end of a time relay coil KT3, the other end of a time relay coil KT3 is coupled to one end of a time relay normally-closed contact Kt3-1, the other end of the time relay normally-closed contact Kt3-1 is grounded, the fourth driving circuit 11 comprises an electromagnet YA1, a time relay coil KT4, a time relay normally-closed contact Kt4-1 and a time relay normally-open contact Kt3-2, one end of a time relay normally-open contact Kt3-2 is coupled to the power supply VCC, the other end of the time relay normally-open contact Kt3-2 is coupled to one end of an electromagnet YA2, the other end of an electromagnet YA2 is coupled to one end of a time relay coil KT 63, the other end of the time relay normally closed contact Kt4-1 is grounded.

The implementation principle of the embodiment is as follows: when a worker takes the spring fastener to stretch into the rack 1 and places the spring fastener in the loading groove 5, the first pressure sensor 15 outputs a high level after detecting pressure applied by the spring fastener, then the base of the NPN type triode Q1 is conducted after receiving the high level, the normally open contact K1-1 of the electric appliance is closed after the relay electromagnetic coil KM1 is electrified, then the pyroelectric infrared sensor 17 detects that the hand outputs the high level to the base of the NPN type triode Q2, so that the NPN type triode Q2 is conducted, the normally open contact K2-1 of the electric appliance is closed after the relay electromagnetic coil KM2 is electrified, so that a high level signal is converted into a low level through a NOT gate circuit and is transmitted to a pin 2 of an NE555 chip IC1, then a pin 3 of the NE555 chip IC1 outputs a high level, and after the hand stretches out of the rack 1, the NE555 chip IC1 outputs a delay signal with a set time length to an input end D of a falling edge trigger, the time when the high level of the CLK input end of the pulse of the falling edge D trigger is converted into the low level forms a falling edge trigger signal, the output end Q of the falling edge D trigger outputs the high level to the base electrode of an NPN type triode Q3, a normally open contact K3-1 of a subsequent electric appliance is switched on by a relay electromagnetic coil KM3, an electromagnet YA1 is electrified, a piston rod of a first cylinder 3 extends out, a time relay electromagnetic coil KT1 is electrified, a normally closed contact Kt1-1 of the time relay is controlled to be switched off in a delayed mode, the piston rod of the first cylinder 3 can move to press a pressure head of a spring buckle, an opening of the pressure head corresponds to a through hole of the spring buckle, meanwhile, the normally open contact Kt1-2 of the time relay is switched on, the electromagnet YB1 is electrified, the electromagnetic coil 2 of the time relay is electrified, the normally closed contact Kt2-1 of the time relay, the time delay enables a piston rod of the second cylinder 4 to drive the hook needle 23 to penetrate through a through hole of the spring buckle, then a worker hangs the wire rope on the hook, in the hanging process, the wire rope generates pressure on the hook needle, the second pressure sensor 21 detects that the pressure generates a high level, then the high level is conveyed to a base electrode of the NPN type triode Q4, the NPN type triode Q4 is conducted, the subsequent electric appliance electromagnetic coil KM4 is electrified, the relay normally-open contact K4-1 is closed, the electromagnet YB2 is electrified, the time relay electromagnetic coil KT3 is electrified, the time delay control time relay normally-closed contact Kt3-1 is disconnected, the time delay enables the piston rod of the second cylinder 4 to contract to drive the hanging wire rope to penetrate through the through hole of the spring buckle, then the time relay normally-open contact Kt3-2 is closed, the electromagnet YA2 is electrified, and the time relay electromagnetic coil KT4 is electrified, normally closed contact Kt3-1 of time delay control time relay breaks off, and the time of delay makes the piston rod of first cylinder 3 shrink to initial position to accomplished the staff and put the snak link and can accomplish the operation of wire rope handling automatically after stretching back the hand again at loading groove 5, convenient operation, work efficiency, and reduced the working strength that the staff need constantly step on the footboard.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (8)

1. A stringing control system in a stringing machine is characterized in that: the automatic rope threading system comprises a rope threading mechanism and an automatic rope threading system for controlling the rope threading mechanism to work, wherein the rope threading mechanism comprises a rack (1), an operation block (2), a first air cylinder (3), a second air cylinder (4) and a hook component (6), one side, close to the first air cylinder (3), of the operation block (2) is provided with a loading groove (5) for placing a spring fastener, the first air cylinder (3) is arranged perpendicular to the rack (1) and a piston rod of the first air cylinder moves towards the loading groove (5), the second air cylinder (4) is arranged horizontally to the rack (1) and a piston rod of the second air cylinder is connected with the hook component (6) and drives the hook component (6) to pass through a through hole of the spring fastener, the first air cylinder (3) is connected with an electromagnet YA1 for controlling a piston rod of the second air cylinder to stretch out and an electromagnet YA2 for controlling a piston rod to shrink, the second air cylinder (4) is connected with an electromagnet YB 63, the automatic reeving system comprises:

the induction circuit is used for detecting that when a worker places the spring buckle in the loading groove (5) and extends the hand out of the rack (1), an induction signal is output;

the first driving circuit (7) is electrically connected with the sensing circuit and responds to the sensing signal to control the piston rod of the first air cylinder (3) to extend out and output a first action signal when the pressure head is pressed;

the second driving circuit (8) is electrically connected with the first driving circuit (7) and responds to the first action signal to control the piston rod of the second cylinder (4) to extend out and penetrate through the through hole of the spring fastener;

the rope detection circuit (9) is used for outputting a reaction signal when the hook component (6) is hung with a rope;

the third driving circuit (10) is electrically connected with the wire rope detection circuit (9) and responds to the reaction signal to control the piston rod of the second air cylinder (4) to output a second action signal when the piston rod contracts to the initial position;

and the fourth driving circuit (11) is electrically connected with the third driving circuit (10) and responds to the second action signal to control the piston rod of the first air cylinder (3) to contract to the initial position.

2. A reeving control system in a reeving machine according to claim 1, characterized in that: the sensing circuit includes:

the object detection circuit (12) is used for detecting that the spring fastener is placed in the loading groove (5) and outputting a first detection signal;

the hand detection circuit (13) is electrically connected with the object detection circuit (12), responds to the first detection signal and outputs a second detection signal when a worker extends a hand to the rack (1);

and the judgment circuit (14) is electrically connected with the human hand detection circuit (13), responds to the second detection signal and outputs a sensing signal when the hand extends out of the rack (1).

3. A reeving control system in a reeving machine according to claim 2, characterized in that: the object detection circuit (12) comprises:

a first pressure sensor (15) installed in the loading slot (5) and outputting a first pressure signal when the spring fastener is placed in the loading slot (5);

and a first comparison circuit (16) which is electrically connected with the first pressure sensor (15) and outputs a first detection signal when the first pressure signal is greater than a reference signal of the first comparison circuit (16).

4. A reeving control system in a reeving machine according to claim 2, characterized in that: the human hand detection circuit (13) includes:

the pyroelectric infrared sensor (17) is arranged on the rack (1) and is used for detecting that a hand stretches into the rack (1) and outputting a hand detection signal;

and the trigger circuit (18) is electrically connected with the pyroelectric infrared sensor (17) and responds to the hand detection signal to output a second detection signal.

5. A reeving control system in a reeving machine according to claim 4, characterized in that: the judgment circuit (14) includes:

the delay circuit (19) is electrically connected with the trigger circuit (18), responds to the second detection signal and outputs a delay signal with set duration when the second detection signal disappears;

and the falling edge control circuit (20) is respectively and electrically connected with the trigger circuit (18) and the delay circuit (19), respectively responds to the delay signal and the second detection signal and outputs a sensing signal when the second detection signal disappears.

6. A reeving control system in a reeving machine according to claim 1, characterized in that: the wire detecting circuit (9) includes:

the second pressure sensor (21) is arranged in the hook assembly (6) and outputs a second pressure signal when the line is hung on the hook assembly (6);

and the second comparison circuit (22) is electrically connected with the second pressure sensor (21) and outputs a response signal when the second pressure signal is greater than the reference signal of the second comparison circuit (22).

7. A reeving control system in a reeving machine according to claim 6, characterized in that: the hook assembly (6) comprises a hook needle (23) and an installation block (24), the hook needle (23) is inserted into the installation block (24), the installation block (24) is connected to a piston rod of the second air cylinder (4), and the second pressure sensor (21) is installed between the hook needle (23) and the installation block (24).

8. A reeving control system in a reeving machine according to claim 5, characterized in that: the falling edge control circuit (20) comprises a falling edge D flip-flop.

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