CN106586069B - Packagine machine capsule aluminium paper breakage detection device - Google Patents
Packagine machine capsule aluminium paper breakage detection device Download PDFInfo
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- CN106586069B CN106586069B CN201611079113.0A CN201611079113A CN106586069B CN 106586069 B CN106586069 B CN 106586069B CN 201611079113 A CN201611079113 A CN 201611079113A CN 106586069 B CN106586069 B CN 106586069B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B19/00—Packaging rod-shaped or tubular articles susceptible to damage by abrasion or pressure, e.g. cigarettes, cigars, macaroni, spaghetti, drinking straws or welding electrodes
- B65B19/28—Control devices for cigarette or cigar packaging machines
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Abstract
The invention discloses a small box aluminum paper breakage detection device of a packing machine, which comprises a detection device, a first detection circuit, a second detection circuit and a single chip microcomputer, wherein the detection device comprises a first photoelectric detector, a second photoelectric detector, a first aluminum paper breakage detection element and a second aluminum paper breakage detection element; probes of the first photoelectric detector and the second photoelectric detector are fixed on the same side of the side wall of the cigarette packet conveying channel, and the distance between the probes of the first photoelectric detector and the second photoelectric detector is equal to the length of one cigarette; the first and second aluminum paper breakage detection elements are arranged between the first photoelectric detector and the second photoelectric detector. The invention can detect the damage condition of the small box aluminum paper by comparing and analyzing the small box aluminum paper by utilizing the electromagnetic induction principle. Therefore, the small box aluminum paper is detected in a non-contact mode in real time on line, the good condition of the small box aluminum paper can be effectively detected, the unqualified cigarette packet is prevented from flowing into the next procedure, and the device has the advantages of high sensitivity, reliability in operation and the like.
Description
Technical Field
The invention relates to the technical field of cigarette making machine equipment, in particular to a small box aluminum paper breakage detection device for a packaging machine.
Background
At present, from market feedback information, the situation that aluminum paper is damaged exists in small cigarette packets in the packaging process. The existing packaging machine does not have the function of detecting the aluminum paper breakage, so that a small box aluminum paper breakage detection device is needed to be designed to make up for the defect of the existing small box packaging equipment in the function of detecting the aluminum paper breakage.
Disclosure of Invention
The invention aims to provide a device for detecting the breakage of small aluminum paper of a packing machine, which can detect the small aluminum paper on line in real time in a non-contact mode, can effectively detect the integrity of the small aluminum paper and avoid unqualified cigarette packets from flowing into the next procedure.
The technical scheme adopted by the invention is as follows:
a small box aluminum paper breakage detection device of a packing machine comprises a detection device, a first detection circuit, a second detection circuit and a single chip microcomputer, wherein the detection device comprises a first photoelectric detector, a second photoelectric detector, a first aluminum paper breakage detection element and a second aluminum paper breakage detection element; probes of the first photoelectric detector and the second photoelectric detector are fixed on the same side of the side wall of the cigarette packet conveying channel, and the distance between the probes of the first photoelectric detector and the second photoelectric detector is equal to the length of one cigarette; the first and second aluminum paper breakage detection elements are arranged between the first photoelectric detector and the second photoelectric detector, the first and second aluminum paper breakage detection elements are respectively and oppositely arranged on different sides of the side wall of the cigarette packet conveying channel, the height of the first and second aluminum paper breakage detection elements is the same as the width of a cigarette packet, and the width of the first and second aluminum paper breakage detection elements is 1/5 of the length of the cigarette packet; the output ends of the first photoelectric detector and the second photoelectric detector are respectively connected with the input end of the single chip microcomputer, and the first aluminum paper breakage detection element and the second aluminum paper breakage detection element are respectively connected with the input end of the single chip microcomputer through the first detection circuit and the second detection circuit; the output end of the singlechip is connected with the input end of the rejecting device;
the eliminating device comprises a compressed air source, an air nozzle and an electromagnetic valve, wherein the output end of the single chip microcomputer is connected with the control input end of the electromagnetic valve, the air nozzle is connected with the compressed air source through the electromagnetic valve, and the air nozzle is arranged on one side of the cigarette packet conveying channel and at the downstream of the detection device;
the detection circuit comprises an oscillating circuit for detecting the integrity of the aluminum foil paper, a sensitivity adjusting circuit for adjusting and detecting the amplitude of the oscillating circuit, a reference oscillating circuit, an oscillating signal processing circuit for amplifying and converting two sine waves with the same frequency and amplitude and opposite phases into rectangular wave signals with the same frequency and amplitude and opposite phases, and a hybrid amplifying circuit for superposing the rectangular waves for detection and the reference rectangular waves, wherein the output ends of the detection oscillation and the reference oscillating circuit are respectively connected with the first output end and the second output end of the hybrid amplifying circuit through the oscillating signal processing circuit, and the output end of the hybrid amplifying circuit is connected with the output end of the single chip microcomputer.
The detection oscillation circuit comprises a first oscillation tube V1, a first inductor L1, a first resistor R1, a second resistor R2, a third resistor R3 and a first capacitor C1; the sensitivity adjusting circuit comprises a variable resistor RP, a first capacitor C1 and a voltage stabilizing diode VS, wherein the first inductor L1, the variable resistor RP and a first resistor R1 are connected in series between the base electrode and the emitter electrode of the first oscillating tube V1, and the second, third and fourth capacitors are connected in series and then connected in parallel at two ends of the variable resistor RP; the base electrode of the first oscillating tube V1 is connected with the moving contact of the variable resistor through a first capacitor C1, one end of the voltage stabilizing diode is connected with the moving contact of the variable resistor RP, and the other end of the voltage stabilizing diode is connected with the grounding end; the second resistor R2 is connected in parallel with the first inductor L1, one end of the third resistor is connected with the collector of the first oscillating tube V1, the other end of the third resistor is connected with the ground terminal, and the fourth capacitor C4 is connected in parallel with the first resistor R1.
The reference oscillating circuit comprises a second oscillating tube V2, a second inductor L2, a fourth resistor, a sixth capacitor, a seventh capacitor, an eighth capacitor and a ninth capacitor; the seventh capacitor, the eighth capacitor and the ninth capacitor are sequentially connected in series and then connected in parallel at two ends of the variable resistor BP, the eighth capacitor is connected in parallel between a collector and an emitter of the second oscillation tube V2, a base of the second oscillation tube V2 is connected with a base of the first oscillation tube V1, the second inductor L2 is connected in parallel with the seventh capacitor, the fourth resistor is connected in parallel with the eighth capacitor, one end of the sixth capacitor is connected with the collector of the second oscillation tube V2, and the other end of the sixth capacitor is connected with the grounding terminal.
The oscillation signal processing circuit is composed of a six-NOT gate chip MC14069 and a peripheral circuit, wherein the peripheral circuit is as follows: a fifth resistor R5, a sixth resistor R6, an eighth resistor R8, a ninth resistor R9, a tenth capacitor C10 and an eleventh capacitor C11, wherein the fifth resistor R5 and the tenth capacitor C10 are connected in series with the first input end of the six inverter chip MC14069, and the sixth resistor R6 and the eleventh capacitor C11 are connected in series with the second input end of the six inverter chip MC 14069; the eighth resistor R8 is connected in series with the first output terminal of the six inverter chip MC14069, and the ninth resistor R9 is connected in series with the second output terminal of the six inverter chip MC 14069.
The hybrid amplifier is composed of a diode VD, a tenth resistor R10, an eleventh resistor R11, a fifth capacitor C5 and a field effect tube VF, wherein the anode of the diode VD is connected with the grid electrode of the field effect tube VF, the drain electrode of the field effect tube VF is connected with a pin 7 of a six NOT gate chip MC14069 through the eleventh resistor, and the pin 7 of the six NOT gate chip MC14069 is connected with the common end of a first inductor L1 and a second inductor L2 through a seventh resistor; one end of the tenth resistor R10 is connected with the grid of the field-effect tube VF after being connected with the fifth capacitor C5 in series, the other end of the tenth resistor R10 is connected with the grounding end, and the drain electrode of the field-effect tube VF is connected with the input end of the single chip microcomputer.
The cigarette packet removing device is characterized by further comprising a removing device, the removing device comprises a compressed air source, an air nozzle and an electromagnetic valve, the output end of the single chip microcomputer is connected with the control input end of the electromagnetic valve, the air nozzle is connected with the compressed air source through the electromagnetic valve, the air nozzle is arranged on one side of the cigarette packet conveying channel and is located at the downstream of the detecting device, and the output end of the single chip microcomputer is connected with the control input end of the electromagnetic valve.
The invention utilizes the electromagnetic induction principle to: the coil that has the alternating current to pass through can produce the magnetic field of change, and the magnetic field can be in the inside vortex of induction of capsule tobacco bale aluminium paper, and the vortex can produce the magnetic field that the magnetic field adverse effect coil was turned over again, and the damaged condition of capsule aluminium paper can be detected through carrying out comparative analysis to the induced magnetic field of coil after being detected out. Therefore, the small box aluminum paper is detected in a non-contact mode in real time on line, the good condition of the small box aluminum paper can be effectively detected, the unqualified cigarette packet is prevented from flowing into the next procedure, and the device has the advantages of high sensitivity, reliability in operation and the like.
Drawings
FIG. 1 is a schematic block diagram of the circuit of the present invention;
FIG. 2 is a schematic block diagram of the detection circuit of the present invention;
fig. 3 is a schematic circuit diagram of the detection circuit according to the present invention.
Detailed Description
As shown in fig. 1, 2 and 3, the invention comprises a detection device for detecting aluminum paper breakage of a small box of a packaging machine, which comprises a detection device, a first detection circuit, a second detection circuit and a single chip microcomputer, wherein the detection device comprises a first photoelectric detector, a second photoelectric detector, a first aluminum paper breakage detection element and a second aluminum paper breakage detection element; probes of the first photoelectric detector and the second photoelectric detector are fixed on the same side of the side wall of the cigarette packet conveying channel, and the distance between the probes of the first photoelectric detector and the second photoelectric detector is equal to the length of one cigarette; the first aluminum paper breakage detection element and the second aluminum paper breakage detection element are arranged between the first photoelectric detector and the second photoelectric detector, are respectively arranged on different sides of the side wall of the cigarette packet conveying channel in an opposite mode, are the same in height as the cigarette packet and are 1/5 the length of the cigarette packet; the output ends of the first photoelectric detector and the second photoelectric detector are respectively connected with the input end of the single chip microcomputer, and the first aluminum paper breakage detection element and the second aluminum paper breakage detection element are respectively connected with the input end of the single chip microcomputer through the first detection circuit and the second detection circuit; the output end of the singlechip is connected with the input end of the rejecting device;
the eliminating device comprises a compressed air source, an air nozzle and an electromagnetic valve, wherein the output end of the single chip microcomputer is connected with the control input end of the electromagnetic valve, the air nozzle is connected with the compressed air source through the electromagnetic valve, and the air nozzle is arranged on one side of the cigarette packet conveying channel and at the downstream of the detection device;
the detection circuit comprises an oscillating circuit for detecting the integrity of the aluminum foil paper, a sensitivity adjusting circuit for adjusting and detecting the amplitude of the oscillating circuit, a reference oscillating circuit, an oscillating signal processing circuit for amplifying and converting two sine waves with the same frequency and amplitude and opposite phases into rectangular wave signals with the same frequency and amplitude and opposite phases, and a hybrid amplifying circuit for superposing the rectangular waves for detection and the reference rectangular waves, wherein the output ends of the detection oscillation and the reference oscillating circuit are respectively connected with the first output end and the second output end of the hybrid amplifying circuit through the oscillating signal processing circuit, and the output end of the hybrid amplifying circuit is connected with the output end of the single chip microcomputer.
The detection oscillating circuit comprises a first oscillating tube V1, a first inductor L1, a first resistor R1, a second resistor R2, a third resistor R3 and a first capacitor C1; the sensitivity adjusting circuit comprises a variable resistor RP, a first capacitor C1 and a voltage stabilizing diode VS, wherein the first inductor L1, the variable resistor RP and the first resistor R1 are connected in series between the base electrode and the emitter electrode of the first oscillating tube V1, and the second, third and fourth capacitors are connected in series and then connected in parallel at two ends of the variable resistor RP; the base electrode of the first oscillating tube V1 is connected with the moving contact of the variable resistor through a first capacitor C1, one end of the voltage stabilizing diode is connected with the moving contact of the variable resistor RP, and the other end of the voltage stabilizing diode is connected with the grounding end; the second resistor R2 is connected in parallel with the first inductor L1, one end of the third resistor is connected with the collector of the first oscillating tube V1, the other end of the third resistor is connected with the ground terminal, and the fourth capacitor C4 is connected in parallel with the first resistor R1.
The reference oscillation circuit comprises a second oscillation tube V2, a second inductor L2, a fourth resistor, a sixth capacitor, a seventh capacitor, an eighth capacitor and a ninth capacitor; the seventh capacitor, the eighth capacitor and the ninth capacitor are sequentially connected in series and then connected in parallel at two ends of the variable resistor BP, the eighth capacitor is connected in parallel between a collector and an emitter of the second oscillating tube V2, a base of the second oscillating tube V2 is connected with a base of the first oscillating tube V1, the second inductor L2 is connected in parallel with the seventh capacitor, the fourth resistor is connected in parallel with the eighth capacitor, one end of the sixth capacitor is connected with the collector of the second oscillating tube V2, and the other end of the sixth capacitor is connected with a grounding end.
The oscillation signal processing circuit is composed of a six-NOT gate chip MC14069 and a peripheral circuit, wherein the peripheral circuit is as follows: a fifth resistor R5, a sixth resistor R6, an eighth resistor R8, a ninth resistor R9, a tenth capacitor C10 and an eleventh capacitor C11, wherein the fifth resistor R5 and the tenth capacitor C10 are connected in series with the first input end of the six inverter chip MC14069, and the sixth resistor R6 and the eleventh capacitor C11 are connected in series with the second input end of the six inverter chip MC 14069; the eighth resistor R8 is connected in series with the first output terminal of the six inverter chip MC14069, and the ninth resistor R9 is connected in series with the second output terminal of the six inverter chip MC 14069.
The detection device for the small box aluminum paper breakage of the packaging machine is characterized in that the hybrid amplifier comprises a diode VD, a tenth resistor R10, an eleventh resistor R11, a fifth capacitor C5 and a field effect tube VF, wherein the anode of the diode VD is connected with the grid electrode of the field effect tube VF, the drain electrode of the field effect tube VF is connected with a 7-pin of a six-NOT gate chip MC14069 through the eleventh resistor, and the 7-pin of the six-NOT gate chip MC14069 is connected with the common end of a first inductor L1 and a second inductor L2 through a seventh resistor; one end of the tenth resistor R10 is connected with the grid of the field-effect tube VF after being connected with the fifth capacitor C5 in series, the other end of the tenth resistor R10 is connected with the grounding end, and the drain electrode of the field-effect tube VF is connected with the input end of the single chip microcomputer.
The cigarette packet removing device is characterized by further comprising a removing device, the removing device comprises a compressed air source, an air nozzle and an electromagnetic valve, the output end of the single chip microcomputer is connected with the control input end of the electromagnetic valve, the air nozzle is connected with the compressed air source through the electromagnetic valve, the air nozzle is arranged on one side of the cigarette packet conveying channel and is located at the downstream of the detecting device, and the output end of the single chip microcomputer is connected with the control input end of the electromagnetic valve.
This capsule aluminium paper breakage detection device utilizes electromagnetic induction principle, and the coil that has the alternating current to pass through can produce the magnetic field that changes, and the magnetic field can be at the inside vortex of inducing of capsule tobacco bale aluminium paper, and the vortex can produce the magnetic field and reverse the magnetic field that influences the coil, and the induced magnetic field of coil is detected out the back, just can detect out the damaged condition of capsule aluminium paper through carrying out comparative analysis to it.
The working principle of the small box aluminum paper breakage detection device is as follows: after the small cigarette packet is packaged by aluminum paper and trademark paper, the small cigarette packet enters the CH feeding inlet channel through the small cigarette packet conveying channel in a side-up mode. When the first detector detects a small cigarette packet, the first and second aluminum paper breakage detection elements detect breakage of the small cigarette packet, when the second detector detects the small cigarette packet, the first and second aluminum paper breakage detection elements finish detection, and the broken cigarette packet is removed by compressed air when passing through the compressed air nozzle. The detection device detects each cigarette section for 20 times by utilizing the movement of the cigarette packet, in order to ensure that the small-packet aluminum paper breakage detection device reliably operates and keeps due sensitivity, a belt of a small-packet cigarette conveying channel needs to operate at a constant speed, and the situation that the small-packet cigarette tilts to pass through the first aluminum paper breakage detection element and the second aluminum paper breakage detection element needs to be adjusted and compensated through a control function when the cigarette packet operates at the middle position of two side walls.
The detection circuit is composed of a detection oscillator, a reference oscillator, an oscillation signal processor, a mixing amplifier and the like (see fig. 2). The detection oscillator is composed of an oscillation tube V1, a coil L1, a capacitor C1, resistors R1-R3 and the like. The reference oscillator is composed of an oscillating tube V2, an inductor L2, capacitors C6-C9 and resistors R2-R4. The hybrid amplifier is composed of a diode VD, resistors R12, R13, a capacitor C13, and the like.
In the working state, two sinusoidal oscillation signals with the same frequency are respectively output from the collectors of V1 and V2, the two signals are amplified and converted by an oscillation processor into two rectangular wave signals with the same frequency and amplitude and opposite phases, and the two rectangular wave signals are mixed by R10, R11 and VD and then are sent to the grid of the VF. When the detection coil L1 does not detect the aluminum paper, the two square wave signals have the same frequency and opposite phases, and the grid voltage of VF is lower than 2.5V; when the detection coil L1 detects the aluminum paper, the working frequency of the detection oscillator is higher than that of the reference oscillator, so that the grid voltage of VF exceeds 2.5V, and the singlechip judges and processes the good condition of the small box aluminum paper according to the AD converted signal. The invention carries out real-time online detection on the small box aluminum paper in a non-contact mode, can effectively detect the intact condition of the small box aluminum paper, avoids unqualified cigarette packets from flowing into the next procedure, and has the advantages of high sensitivity, reliable operation and the like.
Claims (6)
1. The utility model provides a damaged detection device of packagine machine capsule aluminium paper which characterized in that: the detection device comprises a first photoelectric detector, a second photoelectric detector, a first aluminum paper breakage detection element and a second aluminum paper breakage detection element; probes of the first photoelectric detector and the second photoelectric detector are fixed on the same side of the side wall of the cigarette packet conveying channel, and the distance between the probes of the first photoelectric detector and the second photoelectric detector is equal to the length of one cigarette; the first aluminum paper breakage detection element and the second aluminum paper breakage detection element are arranged between the first photoelectric detector and the second photoelectric detector, are respectively arranged on different sides of the side wall of the cigarette packet conveying channel in an opposite mode, are the same in height as the cigarette packet and are 1/5 the length of the cigarette packet; the output ends of the first photoelectric detector and the second photoelectric detector are respectively connected with the input end of the single chip microcomputer, and the first aluminum paper breakage detection element and the second aluminum paper breakage detection element are respectively connected with the input end of the single chip microcomputer through the first detection circuit and the second detection circuit; the output end of the singlechip is connected with the input end of the rejecting device;
the eliminating device comprises a compressed air source, an air nozzle and an electromagnetic valve, wherein the output end of the single chip microcomputer is connected with the control input end of the electromagnetic valve, the air nozzle is connected with the compressed air source through the electromagnetic valve, and the air nozzle is arranged on one side of the cigarette packet conveying channel and at the downstream of the detection device;
the detection circuit comprises a detection oscillating circuit for detecting the integrity of the aluminum-foil paper, a sensitivity adjusting circuit for adjusting the amplitude of the detection oscillating circuit, a reference oscillating circuit, an oscillating signal processing circuit for amplifying and converting two sine waves with the same frequency and amplitude and opposite phases into rectangular wave signals with the same frequency and amplitude and opposite phases, and a mixed amplifying circuit for superposing the rectangular wave for detection and the reference rectangular wave, wherein when the detection coil does not detect the aluminum paper, the two square wave signals have the same frequency and opposite phases; when the detection coil detects the aluminum paper, the working frequency of the detection oscillator is higher than that of the reference oscillator, and the single chip microcomputer judges and processes the good condition of the small box aluminum paper according to the signals after analog-to-digital conversion; the output ends of the detection oscillation circuit and the reference oscillation circuit are respectively connected with the first input end and the second input end of the hybrid amplification circuit through an oscillation signal processing circuit, and the output end of the hybrid amplification circuit is connected with the input end of the single chip microcomputer.
2. The apparatus for detecting aluminum paper breakage of small box of packaging machine according to claim 1, characterized in that: the detection oscillation circuit comprises a first oscillation tube V1, a first inductor L1, a first resistor R1, a second resistor R2, a third resistor R3 and a first capacitor C1; the sensitivity adjusting circuit comprises a variable resistor RP, a first capacitor C1 and a voltage stabilizing diode VS, wherein the first inductor L1, the variable resistor RP and a first resistor R1 are connected in series between the base electrode and the emitter electrode of the first oscillating tube V1, and the second, third and fourth capacitors are connected in series and then connected in parallel at two ends of the variable resistor RP; the base electrode of the first oscillating tube V1 is connected with the moving contact of the variable resistor through a first capacitor C1, one end of the voltage stabilizing diode is connected with the moving contact of the variable resistor RP, and the other end of the voltage stabilizing diode is connected with the grounding end; the second resistor R2 is connected in parallel with the first inductor L1, one end of the third resistor is connected with the collector of the first oscillating tube V1, the other end of the third resistor is connected with the ground terminal, and the fourth capacitor C4 is connected in parallel with the first resistor R1.
3. The apparatus for detecting aluminum paper breakage of small box of packaging machine according to claim 2, characterized in that: the reference oscillating circuit comprises a second oscillating tube V2, a second inductor L2, a fourth resistor, a sixth capacitor, a seventh capacitor, an eighth capacitor and a ninth capacitor; the seventh capacitor, the eighth capacitor and the ninth capacitor are sequentially connected in series and then connected in parallel at two ends of the variable resistor BP, the eighth capacitor is connected in parallel between a collector and an emitter of the second oscillating tube V2, a base of the second oscillating tube V2 is connected with a base of the first oscillating tube V1, the second inductor L2 is connected in parallel with the seventh capacitor, the fourth resistor is connected in parallel with the eighth capacitor, one end of the sixth capacitor is connected with the collector of the second oscillating tube V2, and the other end of the sixth capacitor is connected with a grounding end.
4. A packaging machine capsule aluminum paper breakage detection apparatus as claimed in claim 3, characterized in that: the oscillation signal processing circuit is composed of a six-NOT gate chip MC14069 and a peripheral circuit, wherein the peripheral circuit is as follows: a fifth resistor R5, a sixth resistor R6, an eighth resistor R8, a ninth resistor R9, a tenth capacitor C10 and an eleventh capacitor C11, wherein the fifth resistor R5 and the tenth capacitor C10 are connected in series with a first input end of the six not-gated chip MC14069, and the sixth resistor R6 and the eleventh capacitor C11 are connected in series with a second input end of the six not-gated chip MC 14069; the eighth resistor R8 is connected in series with the first output terminal of the six inverter chip MC14069, and the ninth resistor R9 is connected in series with the second output terminal of the six inverter chip MC 14069.
5. The apparatus for detecting aluminum paper breakage of small box of packaging machine according to claim 4, wherein: the hybrid amplifier consists of a diode VD, a tenth resistor R10, an eleventh resistor R11, a fifth capacitor C5 and a field effect tube VF, wherein the anode of the diode VD is connected with the grid electrode of the field effect tube VF, the drain electrode of the field effect tube VF is connected with a pin 7 of a six NOT gate chip MC14069 through the eleventh resistor, and the pin 7 of the six NOT gate chip MC14069 is connected with the common end of a first inductor L1 and a second inductor L2 through a seventh resistor; one end of the tenth resistor R10 is connected with the grid of the field-effect tube VF after being connected with the fifth capacitor C5 in series, the other end of the tenth resistor R10 is connected with the grounding end, and the drain electrode of the field-effect tube VF is connected with the input end of the single chip microcomputer.
6. The apparatus for detecting aluminum paper breakage of small box of packaging machine according to claim 5, wherein: the cigarette packet removing device is characterized by further comprising a removing device, the removing device comprises a compressed air source, an air nozzle and an electromagnetic valve, the output end of the single chip microcomputer is connected with the control input end of the electromagnetic valve, the air nozzle is connected with the compressed air source through the electromagnetic valve, the air nozzle is arranged on one side of the cigarette packet conveying channel and is located at the downstream of the detecting device, and the output end of the single chip microcomputer is connected with the control input end of the electromagnetic valve.
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| CN201611079113.0A CN106586069B (en) | 2016-11-30 | 2016-11-30 | Packagine machine capsule aluminium paper breakage detection device |
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| CN106586069A (en) | 2017-04-26 |
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