CN113955186A - Device and method for detecting packaging quality of bottom of small box - Google Patents
Device and method for detecting packaging quality of bottom of small box Download PDFInfo
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- CN113955186A CN113955186A CN202111395362.1A CN202111395362A CN113955186A CN 113955186 A CN113955186 A CN 113955186A CN 202111395362 A CN202111395362 A CN 202111395362A CN 113955186 A CN113955186 A CN 113955186A
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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
- B65B19/30—Control devices for cigarette or cigar packaging machines responsive to presence of faulty articles, e.g. incorrectly filled cigarettes
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Abstract
The invention provides a device and a method for detecting the packaging quality of the bottom of a small box, wherein the device comprises a conveying channel, a light source, a camera and a PLC (programmable logic controller); the light source is arranged on the conveying channel and irradiates in parallel with the bottom of the small box; the camera is arranged on one side of the conveying channel, faces the bottom of the capsule and is used for collecting images of the bottom of the capsule; the camera is electrically connected with the PLC. The invention has the advantages that the bottom package of the 2 multiplied by 5 small cigarette pack overlapped pack group can be detected at one time, and compared with the single box detection, the detection efficiency is greatly improved; the automatic detection and elimination of the defective products packaged at the bottom of the small box can be realized, and the defective products are prevented from flowing into the next process; the detection speed of the detection device is matched with the running speed of the equipment, detection is not executed when the air conditioner runs, and missing detection can be avoided.
Description
Technical Field
The invention relates to the technical field of cigarette packaging quality detection, in particular to a device and a method for detecting the packaging quality of the bottom of a small box.
Background
In the production process of cigarette products, the BV high-speed packaging machine is the dominant machine type in the cigarette packaging industry in China. The machine type is mainly used for carrying out processes of packaging cigarette packet boxes produced by upstream equipment such as GDX6S, GDH1000 and the like by using transparent paper and stay wires of the cigarette packets, packaging 2 x 5 carton boxes by using the transparent paper and the stay wires of the cigarette packet boxes, and the like.
In the production process of cigarette products, when cigarettes pass through a packaging machine, the cigarettes are packaged by lining paper, label paper, seal labels or card paper and the like and then conveyed to downstream equipment for transparent paper packaging and strip box forming packaging, and the packaging quality of a small box needs to be detected in the process. The general model mainly focuses on the detection of a seal of the appearance of a small box and the front side and the back side of a trademark, and has less focus on the bottom of the trademark. After the trademark at the bottom of the small box is glued, the trademark is pressed and folded through a folding mechanism, and the glue is accelerated to be dried through a heater, so that the trademark is firmly and smoothly adhered. In the gluing process of the bottom, in the forming process of the bottom of the small box, the package at the bottom of the small box can be turned over, wrinkled and damaged due to the influence of factors such as the viscosity of glue, the characteristics of trademark paper materials, the cleaning degree of a folding mechanism, the temperature of a heater, the cleanliness and the like.
The appearance that current equipment was packed at the capsule through cellophane often just can not detect the capsule again, especially the capsule gets into the barrel shaping stage behind the capsule cellophane packagine machine, and the capsule is wrapped up by the strip box and can not detect again, often will artifical the problem that detects just can discover the packing of capsule bottom. If the defect product cannot be found in time, the benefit of the consumer can be damaged once the defect product enters the market. Even if found, tracing to the source of defective products is very difficult.
SUMMARY OF THE PATENT FOR INVENTION
In order to solve the technical problem, the invention provides a device and a method for detecting the packaging quality of the bottom of a small box.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a device for detecting the quality of a bottom packet of capsules, comprising: the system comprises a conveying channel, a light source, a camera, a PLC (programmable logic controller), a photoelectric sensor, an original machine control system and a rejection mechanism; wherein the content of the first and second substances,
the light source is arranged on the conveying channel and irradiates the small box in parallel with the bottom of the small box, so that the light reflection of the small box after the transparent paper is wrapped is avoided;
the camera is arranged on one side of the conveying channel, faces the bottom of the capsule and is used for collecting images of the bottom of the capsule;
the photoelectric sensor is arranged at the outlet of the spiral packet stacker and is used for detecting the packet stacking state of the small cigarette packets;
the rejecting mechanism is arranged at the downstream of the conveying channel and used for rejecting defective tobacco packets;
the light source and the camera are electrically connected with the PLC, the light source is turned on or turned off according to an instruction of the PLC, and the camera executes a photographing action according to the instruction of the PLC;
the PLC controller, the photoelectric sensor and the rejecting mechanism are electrically connected with the original machine control system.
Further, the light source is a strip-shaped LED light source, the width of the light source is not less than the width of the 2 x 5 small cigarette packet overlapping group, so that the light source can irradiate all small cigarette packets, and the camera acquires images of one 2 x 5 small cigarette packet overlapping group at a time.
Furthermore, at least one side of the conveying channel is provided with a guard plate, so that the cigarette packet is prevented from rushing out of the conveying channel in the high-speed movement process; the lower edge of the protective plate on one side of the bottom of the small box is provided with a clamping groove, the light source is arranged in the clamping groove and higher than the small box, and the whole or part of the light source is aligned with the bottom of the small box, so that the light source can irradiate all areas of the bottom of the small box.
Further, detection device still includes network switch, computer and electric cabinet box, the PLC controller passes through the network switch electricity with the computer and is connected, PLC controller and network switch install in the electric cabinet box.
Further, a method for detecting the bottom packaging quality of a small box, wherein the method is detected by the detection device and comprises the following steps:
s1, turning on a light source to enable the light source to be parallel to the bottom of the capsule and irradiate on the bottom of the capsule;
s2, starting a camera, taking a picture of the bottom of the capsule by the camera, collecting an image of the bottom of the capsule, and transmitting the taken image to a computer host through a network switch;
s3, detecting the bottom image of the small box by the computer host, judging whether the image is a defective product or not, and sending the judgment result to the PLC through the network switch;
s4, the PLC carries out displacement counting on the signals of the defective cigarette packets; when the shifted value reaches the value set by the user, the PLC sends a high level signal to the original machine control system;
and S5, the original machine control system sends out a rejecting pulse signal to a rejecting mechanism, and the rejecting mechanism rejects defective tobacco packages.
Further, the PLC controller carries out position judgment on the 2 x 5 small cigarette pack stacking group according to the change of the sensor signal and the equipment pulse data when the last small pack of the 2 x 5 small cigarette pack stacking group is conveyed forwards and does not shield the light reflecting sheet of the photoelectric sensor, so that the camera is triggered to take a picture.
Further, the device pulse data can be modified by the PLC controller according to the installation position of the camera.
Furthermore, visual detection software is arranged on the computer host, and the camera image acquisition position, the detection area range, the detection sensitivity parameter and the PLC displacement parameter can be modified.
Further, the AC220V AC power supply of the original machine is transformed and rectified into DC24V DC power supply through the DC power supply module, and power is provided for the light source, the camera, the PLC and the network switch.
The invention has the beneficial effects that:
1. the bottom package that can once only detect 2 x 5 box cigarette package and fold a packet group compares in single box detection efficiency very promoting.
2. The automatic detection and elimination of the defective products packaged at the bottom of the small box can be realized, and the defective products are prevented from flowing into the next procedure.
3. The detection device detects the triggering detection of the signal of the photoelectric sensor by reading the speed pulse signal of the equipment and the in-place detection of the 2 multiplied by 5 small cigarette packet group of the original machine, thereby realizing the matching of the detection speed and the running speed of the equipment, not executing the detection when the machine runs empty, and avoiding the occurrence of missing detection.
4. The device has stable, reliable and efficient operation and is easy to maintain and adjust.
Drawings
FIG. 1 is a schematic structural view of the device for detecting the packaging quality of the bottom of a capsule.
FIG. 2 is a schematic cross-sectional view taken along line A-A of a light source according to the present invention.
Fig. 3 is a schematic structural diagram of a BV type high-speed carton packaging machine.
Fig. 4 is a schematic diagram of the working principle of the present invention.
In the figure: 1-a transport channel; 101-a guard plate; 102-card slot; 2-a light source; 3-a camera; 4-a PLC controller; 5-a photosensor; 501-a light reflecting sheet; 6-paddle push rod; 7-a smoke pushing plate; 8-a network switch; 9-a computer host; 10-electric cabinet body; 11-a display; 12-an alarm; 13-original machine control system; 14-a rejection mechanism; 15-a direct current power supply module; 16-small box cigarette pack overlapping group.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The invention provides a device for detecting the packaging quality of the bottom of a small box, which is used for detecting a 2 x 5 small box cigarette pack overlapping group 16 and comprises a conveying channel 1, a light source 2, a camera 3 and a PLC (programmable logic controller) 4 in combination with the drawings shown in figures 1-4. Preferably, as shown in fig. 1, the light source 2 is a strip-shaped LED light source 2, and the width of the light source 2 is not less than the width of the 2 × 5 cigarette packet overlapping group 16, so that the light source 2 can irradiate all cigarette packets. The camera 3 is installed on a base at an outlet of a spiral packet stacking device of the BV high-speed carton packing machine through an installing support, is arranged on one side of the conveying channel 1, faces the bottom of the small box and is used for collecting images of the bottom of the small box, preferably, the camera 3 is an industrial camera 3 and is used for collecting images of a 2 multiplied by 5 small box cigarette packet stacking group 16 at a time. Be provided with a word hole on the installing support, camera 3 can carry out the location adjustment through the word hole on the installing support according to transfer passage 1's specific size to it is clear to satisfy the image acquisition of industrial camera 3 to 2 x 5 packet cigarette pile package group 16 bottoms.
Preferably, as shown in fig. 1 and fig. 2, at least one side of the conveying channel 1 is provided with a guard plate 101 to prevent the cigarette packet from rushing out of the conveying channel 1 during high-speed movement; a clamping groove 102 is formed in the lower edge of a side protection plate 101 at the bottom of the small box, the light source 2 is installed in the clamping groove 102 and is higher than the small box, and all or part of the light source 2 is aligned with the bottom of the small box, so that the light source 2 can irradiate all areas of the bottom of the small box. The light source 2 can be stuck in the card slot 102, and the installation is convenient. The LED light source 2 provides illumination for the 2 multiplied by 5 small cigarette packet folding packet group 16 from top to bottom, the light source 2 is parallel to the bottom of the small packet to irradiate, and light reflection after the small packet wraps the transparent paper is avoided, so that image collection is clear.
The device also comprises a photoelectric sensor 5, the small cigarette packets are stacked into two layers through the spiral packet stacker of the BV high-speed carton packaging machine, and the photoelectric sensor 5 is arranged at the outlet of the spiral packet stacker and used for detecting the packet stacking state of the small cigarette packets. When the equipment normally operates, the small cigarette boxes are stacked into 2 x 5 small cigarette box stacked groups 16 by the BV spiral stacking device and conveyed to the conveying channel 1, and intervals are reserved among the 2 x 5 small cigarette box stacked groups 16. When the first stacked small box of the 2 × 5 small box cigarette packet stacked group 16 shields the reflective sheet 501 of the stacked detection photoelectric sensor 5, the signal of the photoelectric sensor 5 generates level change, and when the last stacked small box of the 2 × 5 small box cigarette packet stacked group 16 is conveyed forward and does not shield the reflective sheet 501 of the small box packet stacked detection photoelectric sensor 5, the signal of the small box packet stacked photoelectric sensor 5 generates level change again due to the reflective detection light of the reflective sheet 501. The device also comprises an original machine control system 13, the photoelectric sensor 5 is electrically connected with the original machine control system 13, and the original machine control system 13 determines whether the stacking interval of the small box overlapped packages is correct according to the equipment pulse data and the signals of the small box overlapped package photoelectric sensor 5. As shown in fig. 3, when the stacking detection photoelectric sensor 5 detects whether the stacking state of the 2 × 5 small cigarette packet stacking group 16 is abnormal, the 2 × 5 small cigarette packet stacking group 16 is sent to the process of carton packaging and carton cellophane packaging through the paddle type push rod 6 and the cigarette pushing plate 7.
Preferably, the device further comprises a network switch 8, a computer host 9 and an electric cabinet box body 10, the PLC 4 is electrically connected with the computer host 9 through the network switch 8, the PLC 4 and the network switch 8 are installed in the electric cabinet box body 10, the electric cabinet box body 10 is installed at the wallboard position of the BV high-speed barrel packing machine, and the computer host 9 is installed at a proper position according to the field condition.
The device also comprises a removing mechanism 14 for removing the defective tobacco bale according to the instruction of the original machine control system 13.
As shown in fig. 4, the invention also provides a method for detecting the quality of the bottom package of the capsule, which uses the detection device to detect, wherein the detection step comprises:
s1, turning on the light source 2 to make the light source 2 parallel to the bottom of the capsule and irradiate on the bottom of the capsule;
s2, starting the camera 3, taking a picture of the bottom of the capsule by the camera 3, collecting an image of the bottom of the capsule, and transmitting the shot image to the computer host 9 through the network switch 8;
s3, detecting the bottom image of the small box by the computer host 9, judging whether the image is a defective product or not, and sending the judgment result to the PLC 4 through the network switch 8;
s4, the PLC 4 performs displacement counting on the signals of the defective cigarette packets; when the value of the displacement reaches the value set by the user, the PLC 4 sends a high level signal to the original machine control system 13;
and S5, the original machine control system sends out a rejecting pulse signal to a rejecting mechanism, and the rejecting mechanism rejects defective tobacco packages.
The camera 3 is electrically connected with the PLC 4 and executes photographing action according to the instruction of the PLC 4. When the device is in operation, the light source 2 may be always on and in a lit state. Preferably, in order to prolong the service life of the light source 2, the light source 2 may be electrically connected to the PLC controller 4 and turned on or off according to a command from the PLC controller 4. The PLC 4 judges the position of the 2 x 5 small cigarette pack overlapping group 16 according to the pulse data of the device and the change of the sensor signal when the last small pack is conveyed forwards and does not shield the reflective sheet 501 of the small pack overlapping photoelectric sensor 5 any more. When the speed pulse of the equipment reaches a threshold value and the small cigarette pack detects the signal action of the photoelectric sensor 5, the small cigarette pack group 16 is conveyed to the positions of the light source 2 and the camera 3, the PLC 4 sends out a signal to control the LED light source 2 to be switched on, and meanwhile, the camera 3 carries out image acquisition on the 2 multiplied by 5 small cigarette pack group 16. When the image acquisition is finished, the PLC 4 sends out a signal to control the LED light source 2 to be turned off until the next group of 2 multiplied by 5 small cigarette packet overlapped packet group 16 is conveyed to the set positions of the light source 2 and the camera 3, then the LED light source 2 is controlled to be switched on, the camera 3 is controlled to acquire images, therefore, the matching of the detection speed and the equipment running speed is realized, the detection is not executed when the air conditioner runs, and the missing detection can be avoided. The device pulse data can be modified by the PLC controller 4 according to the installation position of the camera 3.
The camera 3 sends the acquired image to the computer host 9 through the network switch 8, the visual inspection software running on the computer host 9 receives the image information, carries out algorithm processing on the image according to preset conditions, carries out detection and judgment on a user-defined detection area, identifies defective cigarette packets, and stores, counts and counts the information of the defective cigarette packets. The computer host 9 can also be electrically connected with the display 11, and images acquired by the camera 3 can be transmitted to the display 11 in real time by the computer host 9 and displayed on the display 11 for an operator to check.
The computer host 9 transmits the detection result to the PLC 4 through the network switch 8, the PLC 4 is electrically connected with the original machine control system 13, if the detection result is normal, the PLC 4 does not act and does not generate any interference on the production flow; if the detection result shows that the small cigarette packet group 16 is defective, the PLC 4 shifts, registers and counts the small cigarette packet group 16 with the size of 2 multiplied by 5, when the small cigarette packet group 16 corresponding to the counted numerical value moves to the position of the rejecting mechanism 14, the PLC 4 outputs a signal to the original machine control system 13, the original machine control system 13 sends a rejecting pulse signal to the electromagnetic valve of the rejecting mechanism 14, and the electromagnetic valve acts to enable the rejecting mechanism 14 to automatically reject the small cigarette packet group 16 with the size of 2 multiplied by 5, which is packaged at the bottom of the small cigarette packet and has defects, at the rejecting port of the BV carton packaging machine. The image acquisition position of the camera 3, the detection area range, the detection sensitivity parameter, the PLC 4 shift parameter and the like can be modified on the computer host 9 through visual detection software, so that the defective products packaged at the bottom of the small box can be automatically detected and removed under the condition of not interrupting the production flow, and the defective products are prevented from flowing into the next procedure.
The device is also provided with an alarm 12, and when a plurality of groups of 2 multiplied by 5 small cigarette pack overlapping groups 16 are defective continuously, the original machine control system 13 controls the alarm 12 to send out an alarm signal to remind an operator.
The light source 2, the camera 3, the PLC controller 4 and the network switch 8 are DC24V direct current power supplies, the power supply provided by the original machine is an AC220V alternating current power supply, a direct current power supply module 15 needs to be arranged, the AC220V alternating current power supply provided by the original machine is transformed and rectified into a DC24V direct current power supply, and the power supply is provided for the light source 2, the camera 3, the PLC controller 4 and the network switch 8.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (9)
1. A device for detecting the quality of a bottom package of a capsule, comprising: the system comprises a conveying channel, a light source, a camera, a PLC (programmable logic controller), a photoelectric sensor, an original machine control system and a rejection mechanism; wherein the content of the first and second substances,
the light source is arranged on the conveying channel and irradiates in parallel with the bottom of the small box;
the camera is arranged on one side of the conveying channel, faces the bottom of the capsule and is used for collecting images of the bottom of the capsule;
the photoelectric sensor is arranged at the outlet of the spiral packet stacker and is used for detecting the packet stacking state of the small cigarette packets;
the rejecting mechanism is arranged at the downstream of the conveying channel and used for rejecting defective tobacco packets;
the light source and the camera are electrically connected with the PLC;
the PLC controller, the photoelectric sensor and the rejecting mechanism are electrically connected with the original machine control system.
2. The apparatus for detecting the packaging quality of the bottom of the small box as claimed in claim 1, wherein the light source is a strip-shaped LED light source, the width of the light source is not less than the width of the 2 x 5 small box stacked packet group, and the camera collects images of the 2 x 5 small box cigarette stacked packet group at a time.
3. The apparatus for detecting the packaging quality of the bottom of the small box according to claim 1, wherein at least one side of the conveying channel is provided with a protective plate, a slot is arranged on the lower edge of the protective plate on one side of the bottom of the small box, the light source is arranged in the slot and higher than the small box, and all or part of the light source is aligned with the bottom of the small box.
4. The apparatus for detecting the packaging quality of the bottom of the small box according to claim 1, 2 or 3, wherein the apparatus further comprises a network switch, a host computer and an electric cabinet box, the PLC controller is electrically connected with the host computer through the network switch, and the PLC controller and the network switch are installed in the electric cabinet box.
5. A method for testing the quality of a bottom package of a capsule, characterized in that it uses the testing device of claim 4, comprising the steps of:
s1, turning on a light source to enable the light source to be parallel to the bottom of the capsule and irradiate on the bottom of the capsule;
s2, starting a camera, taking a picture of the bottom of the capsule by the camera, collecting an image of the bottom of the capsule, and transmitting the taken image to a computer host through a network switch;
s3, detecting the bottom image of the small box by the computer host, judging whether the image is a defective product or not, and sending the judgment result to the PLC through the network switch;
s4, the PLC carries out displacement counting on the signals of the defective cigarette packets; when the shifted value reaches the value set by the user, the PLC sends a high level signal to the original machine control system;
and S5, the original machine control system sends out a rejecting pulse signal to a rejecting mechanism, and the rejecting mechanism rejects defective tobacco packages.
6. The method for detecting the bottom packaging quality of the small boxes according to claim 5, wherein the PLC controller judges the position of the 2 x 5 small box cigarette packet group according to the change of sensor signals and equipment pulse data when the last small box packet of the 2 x 5 small box packet group is conveyed forwards and does not shield a reflector of a photoelectric sensor of the small box packet group.
7. The method of claim 6, wherein the device pulse data can be modified by the PLC controller according to the installation position of the camera.
8. The method for detecting the quality of the bottom package of the small box according to claim 7, wherein the computer host is provided with visual detection software capable of modifying the image acquisition position of the camera, the detection area range, the detection sensitivity parameter and the PLC displacement parameter.
9. The method for detecting the quality of a bottom package of a capsule as claimed in claim 5 or 6, wherein the AC220V AC power of the original machine is transformed and rectified into DC24V DC power by the DC power module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111395362.1A CN113955186A (en) | 2021-11-23 | 2021-11-23 | Device and method for detecting packaging quality of bottom of small box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111395362.1A CN113955186A (en) | 2021-11-23 | 2021-11-23 | Device and method for detecting packaging quality of bottom of small box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113955186A true CN113955186A (en) | 2022-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111395362.1A Pending CN113955186A (en) | 2021-11-23 | 2021-11-23 | Device and method for detecting packaging quality of bottom of small box |
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| Country | Link |
|---|---|
| CN (1) | CN113955186A (en) |
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2021
- 2021-11-23 CN CN202111395362.1A patent/CN113955186A/en active Pending
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