CN112642732B - Cigarette packet combined detection device - Google Patents
Cigarette packet combined detection device Download PDFInfo
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- CN112642732B CN112642732B CN202011415496.0A CN202011415496A CN112642732B CN 112642732 B CN112642732 B CN 112642732B CN 202011415496 A CN202011415496 A CN 202011415496A CN 112642732 B CN112642732 B CN 112642732B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/02—Measures preceding sorting, e.g. arranging articles in a stream orientating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/04—Sorting according to size
- B07C5/08—Sorting according to size measured electrically or electronically
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/34—Sorting according to other particular properties
- B07C5/342—Sorting according to other particular properties according to optical properties, e.g. colour
- B07C5/3422—Sorting according to other particular properties according to optical properties, e.g. colour using video scanning devices, e.g. TV-cameras
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/361—Processing or control devices therefor, e.g. escort memory
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/363—Sorting apparatus characterised by the means used for distribution by means of air
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Abstract
The invention relates to the technical field of tobacco electric automatic detection, and provides a tobacco packet combined detection device which comprises a tobacco packet ultra-wide detection and rejection device, a tobacco packet visual appearance detection device and a controller; the cigarette packet ultra-wide detection and removal device is arranged at the downstream of the cigarette packaging machine, and the cigarette packet ultra-wide detection and removal device is arranged at the upstream of the cigarette packet visual appearance detection device; the tobacco bale ultra-wide detection and rejection device and the tobacco bale visual appearance detection device are respectively electrically connected with the controller; the tobacco bale ultra-wide detecting and rejecting device is used for detecting and rejecting ultra-wide tobacco bales; tobacco bale visual appearance detection device for detect the appearance quality of tobacco bale. Compared with the prior art, the invention has the beneficial effects that: the tobacco bale combined detection device can detect and reject ultra-wide tobacco bales and can accurately detect the appearance of the tobacco bales. Tobacco bale detection efficiency has been promoted to a very big extent. The tobacco bale ultra-wide detection and removal device and the tobacco bale visual appearance detection device have obvious combination effect and complementary advantages and disadvantages.
Description
Technical Field
The invention relates to the technical field of tobacco electric automatic detection, in particular to a tobacco packet combined detection device.
Background
In the prior art, a cigarette packet visual appearance detection device is usually adopted to detect the quality of cigarette packets, as shown in fig. 1, the cigarette packet quality detection device in the prior art comprises the cigarette packet visual appearance detection device, the cigarette packet visual appearance detection device is arranged at the downstream of a cigarette packaging machine, and a conveying channel is arranged between the cigarette packet visual appearance detection device and the cigarette packaging machine. The cigarette packet output by the cigarette packaging machine is directly input to the cigarette packet visual appearance detection device through the conveying channel. In addition, if the cigarette packet connection appears in front of the inlet of the cigarette packet visual appearance detection device, a cigarette packet separation device is generally added.
However, the existing cigarette packet quality detection device has obvious defects, and the defects are as follows: the quality detection requirements of the existing cigarette packets cannot be met. The existing cigarette packet quality detection device cannot effectively detect and reject ultra-wide cigarette packets. In the detection process, part of ultra-wide cigarette packets often block in the cigarette packet appearance visual detection unit, so that abnormal cigarette packets cannot be detected and removed continuously. And part of ultra-wide cigarette packets can smoothly enter downstream equipment through appearance detection, so that blockage and stop can easily occur, and the equipment mechanism is displaced, deformed and even broken and damaged. And a part of ultra-wide cigarette packets flow into a finished product warehouse, so that the product quality is seriously influenced.
The ultra-wide cigarette packet is defined as follows: in the production process of the cigarette packaging machine, if the conditions of cigarette wrinkle resistance, wrinkle resistance of inner and outer packing paper, scattering of outer packing paper, breakage of packing paper and the like occur, the cigarette packet can become wide. If the cigarette packet is beyond the range of the process standard requirement, the cigarette packet is called as an ultra-wide cigarette packet or an ultra-wide cigarette packet.
The reason that the existing cigarette packet quality detection device cannot effectively detect and reject ultra-wide cigarette packets is that a contradiction point exists between two design requirements of a cigarette packet conveying channel, and the existing cigarette packet quality detection device is mainly embodied as follows:
the first design requirement is that the conveying channel can restrain the cigarette packet at an operation point, namely, the swing of the cigarette packet in a non-conveying direction is reduced as much as possible. The method has two points of significance for direction constraint of the non-transport direction of the cigarette packet: 1. the fluctuation of the relative position of the light source in the cigarette packet and cigarette packet visual appearance detection device is reduced, and the stability of illumination conditions is improved; 2. the fluctuation of the relative position of the camera in the cigarette packet and the visual appearance detection device of the cigarette packet is reduced, and the stability of the projection position of various detection objects on the cigarette packet on a photosensitive element of the camera is improved.
The second design requirement is: the conveying channel also needs to have the function of ensuring the smooth passing of the cigarette packets, so that the cigarette packets are not decelerated, stopped, blocked or connected in the conveying process. The speed change of the cigarette packet transportation direction is also reduced as much as possible. The cigarette packet is disconnected and the deceleration is small, which is beneficial to the following two points: 1. the cigarette packet identification device is beneficial to identifying each independent cigarette packet and avoiding the mutual shielding of the cigarette packets. The cigarette packet is not continuously wrapped, so that each independent cigarette packet can be identified by the shooting sensor group, and each independent cigarette packet can also be well identified by the removing sensor. 2. The cigarette packet shooting and removing positioning are facilitated. After the sensor detects the tobacco bale of high-speed transportation, the response time and procedure of electric system all have may be provided with the time delay, and the tobacco bale disconnected then can promote detecting system's fault-tolerant rate for the system can in time revise, reduces tobacco bale positioning error.
In order to meet the first design requirement, one of the important measures requiring a small swing during the passage of the cigarette packets is to reduce the width of the conveying channel at the operating point, and once the width of the conveying channel at the operating point is reduced, although the first design requirement is met, the second important design requirement cannot be met.
On the contrary, if the width of the conveying channel at the operation point is increased to meet the second design requirement, when the ultra-wide cigarette packet occurs, the conditions of blocking, speed reduction, cigarette packet connection and the like are less generated in the process of passing the cigarette packet, but the important first design requirement can not be met.
The width of the conveying channel is large or small, and the effects of the large or small conveying channel are mutually contradictory. Although the sub-packaging device can be arranged immediately upstream of the cigarette packet visual appearance detection device, if an ultra-wide cigarette packet exists after sub-packaging, the cigarette packet visual appearance detection device can block the continuous package again.
Therefore, the ultra-wide cigarette packet can cause downstream equipment of the cigarette packaging machine to not work normally, but the cigarette packaging machine does not have the ultra-wide cigarette packet detection function, and the currently and generally used cigarette packet visual appearance detection system can block the cigarette packet due to the ultra-wide cigarette packet and cannot reliably detect and reject the ultra-wide cigarette packet. The other part of the ultra-wide cigarette packet with the relatively small width can enter downstream equipment through a cigarette packet visual appearance detection device, and if the ultra-wide cigarette packet enters the downstream equipment, the downstream equipment is blocked and stopped, and an equipment mechanism is displaced, deformed or even broken and damaged; and part of the waste water flows into a finished product warehouse, so that the product quality is seriously influenced.
Therefore, there is an urgent need to design a cigarette packet combined detection device capable of detecting and eliminating ultra-wide cigarette packets and executing cigarette packet appearance detection.
In view of the above-mentioned drawbacks, the present inventors have finally obtained the present invention through long-term research and practice.
Disclosure of Invention
In order to solve the technical defects, the invention adopts the technical scheme that the invention provides a tobacco bale combined detection device, which comprises a tobacco bale ultra-wide detection and removal device, a tobacco bale visual appearance detection device and a controller; the cigarette packet ultra-wide detection and removal device is arranged at the downstream of the cigarette packaging machine, and the cigarette packet ultra-wide detection and removal device is arranged at the upstream of the cigarette packet visual appearance detection device; the tobacco bale ultra-wide detection and rejection device and the tobacco bale visual appearance detection device are respectively electrically connected with the controller; the tobacco bale ultra-wide detection and elimination device is used for detecting and eliminating ultra-wide tobacco bales; the tobacco bale visual appearance detection device is used for detecting the appearance quality of tobacco bales.
Preferably, the tobacco bale ultra-wide detection and rejection device comprises a conveying belt, a first blocking plate, a movable blocking plate assembly, a blocking sensor and a rejection mechanism, wherein the conveying belt, the first blocking plate and the movable blocking plate assembly surround together to form an ultra-wide blocking channel; the rejection mechanism is arranged at the downstream position of the ultra-wide blocking channel; a probe of the blocking sensor points to the ultra-wide blocking channel; the controller is electrically connected with the blockage sensor; the controller is also respectively connected with and controls the movable blocking plate component, the conveying belt and the removing mechanism.
Preferably, the movable baffle plate assembly comprises a baffle plate, a movable second baffle plate and a driving device, wherein the baffle plate is arranged on the inner side of the movable second baffle plate; the controller controls the position of the movable second blocking plate through the driving device.
Preferably, the movable second blocking plate is a rotary blocking plate, and the rotary blocking plate is connected with the upstream first guide rod through a hinge; the driving device is an electromagnet, the electromagnet is arranged on the outer side of the rotary blocking plate, and the electromagnet is further connected with the controller.
Preferably, the rejection mechanism is a jet rejection mechanism, the jet rejection mechanism comprises an air pump, a rejection solenoid valve and a rejection air faucet, the rejection solenoid valve is respectively connected with the controller, the air pump and the rejection air faucet, and the controller can control the on-off of the rejection solenoid valve.
Preferably, the controller comprises a timer and a judging device, wherein the timer is used for measuring the time of the cigarette packet passing through the ultra-wide blocking channel; the judging device is used for judging whether the blockage and the blockage type occur in the ultra-wide blocking channel.
Preferably, conveying channels are arranged between the cigarette packaging machine and the cigarette packet ultra-wide detecting and removing device and between the cigarette packet ultra-wide detecting and removing device and the cigarette packet visual appearance detecting device.
Preferably, the tobacco bale ultra-wide detection and rejection device comprises a conveying belt, a first blocking plate, a fixed blocking plate assembly, a blocking sensor and a rejection mechanism, wherein the conveying belt, the first blocking plate and the fixed blocking plate assembly surround together to form an ultra-wide blocking channel; the fixed stop plate assembly comprises a third stop plate and a stop sheet, the stop sheet is arranged on the inner side of the third stop plate, and the stop sheet is an elastic sheet; the eliminating mechanism is arranged at the downstream position of the ultra-wide blocking channel; a probe of the blocking sensor points to the ultra-wide blocking channel; the controller is electrically connected with the blockage sensor; the controller is also connected with and controls the conveyer belt and the rejecting mechanism respectively.
Preferably, the cigarette packet visual appearance detection device comprises a conveying belt, a light source, a camera, a guiding device, a trigger sensor group and a second rejecting device, wherein the second rejecting device, the light source, the trigger sensor group and the camera are all connected with the controller; the guide device and the conveying belt jointly surround to form an appearance detection channel; the light source, the camera and the trigger sensor group are arranged outside the appearance detection channel.
Preferably, the guide device comprises an upper guide wire assembly and a lower guide plate assembly, the upper guide wire assembly comprises a first guide wire and a second guide wire, and the first guide wire and the second guide wire are distributed on two sides above the conveying belt; the lower guide plate assembly comprises a first guide plate and a second guide plate, and the first guide plate and the second guide plate are respectively arranged on two sides of the conveying belt and tightly press the conveying belt.
Compared with the prior art, the invention has the beneficial effects that: the tobacco bale combined detection device can detect and reject ultra-wide tobacco bales and can accurately detect the appearance of the tobacco bales. The efficiency of tobacco bale detection has been promoted to a very big degree.
Drawings
Fig. 1 is a schematic flow chart of the existing tobacco bale quality detection;
fig. 2 is a schematic structural view of a cigarette packet combination detection device in an embodiment of the invention;
fig. 3 is a schematic structural diagram of a tobacco bale ultra-wide detection and removal device in a third embodiment of the invention;
fig. 4 is a schematic diagram of a state when an ultra-wide smoke packet is blocked in an ultra-wide blocking passage in a third embodiment of the present invention;
fig. 5 is a schematic diagram of an operating state of a blockage relieving unit in a blockage relieving state according to a third embodiment of the present invention;
fig. 6 is a schematic cross-sectional view of a normal cigarette packet passing through an ultra-wide blocking passage in the third embodiment of the present invention;
fig. 7 is a schematic view of a connection structure between a controller and other devices in a tobacco bale ultra-wide detection and removal device in the third embodiment of the present invention.
Fig. 8 is a schematic structural diagram of a cigarette packet visual appearance detection device in the third embodiment of the present invention.
Description of the main element symbols:
the cigarette packet detection and rejection device comprises a conveying belt 1, a first guide rod 2, a second guide 3, a cigarette packet 4, an ultra-wide cigarette packet 5, a hinge 11, an electromagnet 12, an electromagnet support 13, a width adjusting bolt 14, a blocking sensor 15, a rotary blocking plate 16, a limiting adjusting bolt 17, a limiting support 18, a blocking sheet 19, a first blocking plate 20, a 3 rejection electromagnetic valve 31, a rejection air nozzle 32, a through hole 33, a rejection port 34, a controller 40, a cigarette packet ultra-wide detection and rejection device 50, a cigarette packet visual appearance detection device 60, a cigarette packaging machine 70, a first guide steel wire 102, a second guide steel wire 103, a first guide plate 104, a second guide plate 105, a light source 106, a camera 107 and a trigger sensor group 109.
Detailed Description
The above and further features and advantages of the present invention are described in more detail below with reference to the accompanying drawings.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "above," and "over" a second feature may be directly on or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Example one
The embodiment of the invention provides a tobacco bale combined detection device, which comprises a tobacco bale ultra-wide detection and removal device 50, a tobacco bale visual appearance detection device 60 and a controller 40.
The cigarette packet ultra-wide detection and removal device 50 is arranged at the downstream of the cigarette packaging machine 70, and the cigarette packet ultra-wide detection and removal device 50 is arranged at the upstream of the cigarette packet visual appearance detection device 60.
The tobacco bale ultra-wide detection and removal device 50 and the tobacco bale visual appearance detection device 60 are respectively electrically connected with the controller 40.
Conveying channels are arranged between the cigarette packaging machine 70 and the cigarette packet ultra-wide detection and removal device 50, and between the cigarette packet ultra-wide detection and removal device 50 and the cigarette packet visual appearance detection device 60.
The tobacco bale is super wide to detect and reject the device 50, is used for detecting and rejecting super wide tobacco bale. The beneficial effects are that: the ultra-wide cigarette packet can be prevented from entering the cigarette packet visual appearance detection device 60 and other downstream equipment, so that the blockage is avoided.
The cigarette packet visual appearance detection device 60 is used for detecting the appearance quality of cigarette packets and rejecting unqualified cigarette packets which do not meet the appearance process quality standard.
The cigarette packet detection process comprises the following steps: firstly, a tobacco bale ultra-wide detection and removal device 50 is used for detecting whether the tobacco bale is ultra-wide or not, and then a tobacco bale visual appearance detection device 60 is used for detecting the appearance quality of the tobacco bale.
The cigarette packet combined detection device provided by the invention has the beneficial effects that:
1. the relative stability of the cigarette packet position and the camera position in the cigarette packet visual appearance detection device 60 can be improved.
Because the ultra-wide cigarette packet is detected and rejected by the cigarette packet ultra-wide detection and rejection device 50, the width of an appearance detection channel in the cigarette packet visual appearance detection device 60 is allowed to be reduced to the upper limit of the width of the qualified cigarette packet, so that the swing of the cigarette packet can be reduced. The relative stability of tobacco bale position and camera position has been guaranteed like this to improve tobacco bale visual appearance detection device 60's detection precision and detection reliable and stable. The distance and the angle between the cigarette packet and the photosensitive element of the camera affect the size of the imaging size of the cigarette packet on the photosensitive element.
2. The relative stability of the cigarette packet position and the light source position in the cigarette packet visual appearance detection device 60 can be improved.
Because the ultra-wide cigarette packet is detected and rejected by the ultra-wide cigarette packet detecting and rejecting device 50, the width of an appearance detecting channel in the cigarette packet visual appearance detecting device 60 is allowed to be reduced to the upper limit of the width of the qualified cigarette packet, so that the swing of the cigarette packet can be reduced. Thus, the relative stability of the cigarette packet position and the light source position is ensured, the illumination stability is improved, the stability of brightness or color in the image is effectively reduced, and the detection precision and the detection stability and reliability of the cigarette packet visual appearance detection device 60 are improved.
3. The ultra-wide scattered broken cigarette packets are prevented from entering the cigarette packet visual appearance detection device 60, and the interference of cigarettes, paper scraps and the like on the cigarette packet visual appearance detection device 60 is reduced.
4. The defect that the detection and elimination of the ultra-wide cigarette packet are unreliable due to blockage generated by the conventional appearance detection device is overcome.
5. The ultra-wide cigarette packet can be prevented from entering downstream equipment, so that the downstream equipment mechanism is prevented from being displaced, deformed and even broken and damaged;
6. can avoid super wide and unqualified tobacco bale to flow into market.
7. The tobacco bale ultra-wide detection and removal device 50 and the tobacco bale visual appearance detection device 60 are combined to have obvious effect and complement advantages and disadvantages.
Example two
The difference between this embodiment and the first embodiment is:
the tobacco bale ultra-wide detection and rejection device 50 provided by the embodiment of the invention comprises a conveying belt 1, a first blocking plate 20, a movable blocking plate component, a blocking sensor 15 and a rejection mechanism.
The conveyer belt 1, the first blocking plate 20 and the movable blocking plate assembly are surrounded together to form an ultra-wide blocking passage. And a rejection mechanism is arranged at the downstream of the ultra-wide blocking channel. The probe of the occlusion sensor 15 points to an ultra-wide occlusion channel.
The controller 40 is electrically connected to the blockage sensor 15 for determining whether the ultra-wide blocked channel is blocked. The controller 40 is also connected to and controls the movable barrier plate assembly, the conveyor belt 1 and the rejection mechanism, respectively.
The first blocking plate 20 is matched with the movable blocking plate component for use, and can be used for blocking the ultra-wide cigarette packet.
Under normal conditions, qualified tobacco bales can smoothly pass through the ultra-wide blocking channel, so that the tobacco bales enter downstream. However, when an ultra-wide cigarette pack is present, the ultra-wide cigarette pack may be blocked by the first barrier plate 20 and the movable barrier plate assembly. The controller can judge whether an ultra-wide cigarette packet is blocked in the ultra-wide blocking channel or not through a signal of the blocking sensor 15, and judge the blocking type, wherein the blocking type comprises cigarette packet blocking deceleration and cigarette packet blocking stop.
When the cigarette packet is blocked and decelerated, the controller 40 starts the rejecting mechanism in a delayed manner, and when the cigarette packet is blocked and stopped, the controller 40 controls the movable blocking plate component to act, so that the ultra-wide blocking channel is widened, and the ultra-wide cigarette packet can enter a working area of the rejecting mechanism at the downstream of the ultra-wide blocking channel. The controller 40 further controls the rejecting device to be started in a delayed mode so as to reject the ultra-wide cigarette packets.
The tobacco bale ultra-wide detection and removal device 50 provided by the invention has the beneficial effects that: the device can detect the ultra-wide cigarette packet and then reject the ultra-wide cigarette packet, so that the deflection, deformation and even fracture damage of a downstream packaging machine mechanism can be avoided, and meanwhile, the ultra-wide cigarette packet can be prevented from entering a conveying channel and downstream equipment. The width of the downstream equipment operation point can be reduced, and the constraint effect on the cigarette packet is improved, so that the operation precision and the operation success rate are improved. The detection and elimination process is fully automatic, and manual participation is not needed.
EXAMPLE III
The present embodiment is different from the second embodiment in that:
the upper reaches of the super-wide blocking channel are provided with a first guide rod 2 and a second guide rod 3, and the first guide rod 2 and the second guide rod 3 are respectively arranged on two sides of the conveying belt 1 at the upper reaches of the super-wide blocking channel. The conveying belt 1, the first guide rod 2 and the second guide rod 3 jointly surround to form a conveying channel, the conveying channel is communicated with the ultra-wide blocking channel, and the conveying channel is used for conveying cigarette packets.
The movable stop plate assembly comprises a stop sheet 19, a movable second stop plate and a driving device, the movable second stop plate is connected with the stop sheet 19, and the stop sheet 19 is arranged on the inner side of the movable second stop plate. The controller 40 controls the position of the movable second blocking plate by the driving means. The movable barrier plate assembly constitutes the blockage relieving unit.
In this embodiment, the second movable blocking plate is preferably a rotation blocking plate 16, and the rotation blocking plate 16 is connected to the first guide rod 2 through a hinge 11. The driving means is an electromagnet 12. The blocking piece 19 is disposed inside the rotation blocking plate 16. The rotating blocking plate 16 can rotate around a shaft, and the rotating blocking plate 16 and the blocking piece 19 move together in a direction away from the ultra-wide blocking channel by rotating, so that the ultra-wide blocking channel is widened. The widened ultra-wide blocking passage allows ultra-wide cigarette packets to pass through. The electromagnet 12 is connected with an electromagnet support 13, and the electromagnet 12 is arranged outside the rotation blocking plate 16 through the electromagnet support 13. The electromagnet 12 is also connected to a controller 40. The controller 40 is capable of controlling the operating state of the electromagnet 12. The rotation blocking plate 16 is made of magnetizable material. When the current of the electromagnet 12 is conducted, magnetic force is generated between the electromagnet 12 and the rotary blocking plate 16, and the electromagnet 12 is fixed on the electromagnet support 13, so that under the action of the magnetic force, relative motion can occur between the electromagnet 12 and the rotary blocking plate 16, the rotary blocking plate 16 can rotate outwards around the axis of the hinge 11, that is, the blocking sheet 19 can move towards the direction far away from the first blocking plate 20, and the purpose of widening an ultra-wide blocking passage is achieved.
The working process of the blockage relieving unit is as follows: during cigarette packet detection, the blocking sheet 19 and the first blocking plate 20 form a wedge-shaped channel. When the ultra-wide cigarette packet 5 enters the wedge-shaped ultra-wide blocking channel, the ultra-wide cigarette packet 5 is blocked in the ultra-wide blocking channel, when the blocking time exceeds a blocking stop time threshold value, the blocking removing unit is started immediately, the electromagnet 12 opens the rotary blocking plate 16, and the ultra-wide cigarette packet 5 which causes the ultra-wide blocking stop is unblocked and passes through the blocking channel. When no smoke pack is in front of the blockage sensor 15, the rotary blocking plate 16 is closed in a delayed mode, namely the blocking piece 19 is reset.
In addition, a limiting device is further disposed outside the rotation blocking plate 16 for limiting the rotation angle of the rotation blocking plate 16. Preferably, the limiting device in this embodiment comprises a limiting adjusting bolt 17 and a limiting bracket 18. The limit bracket 18 is arranged at the outer side of the rotary blocking plate 16, and the limit adjusting bolt 17 is arranged on the limit bracket 18. The length of the limit adjusting bolt 17 is adjustable, and the limit value of the rotation angle of the rotary blocking plate 16 changes along with the length change of the limit adjusting bolt 17. The limiting bracket 18 and the limiting adjusting bolt 17 are used for limiting and adjusting the radian of the rotating opening of the blocking sheet 19 and the rotating blocking plate 16, so that the cigarette packet can smoothly pass through the widened blocking detection channel.
The rotary blocking plate 16 is connected with one end of the blocking piece 19, and a wedge-shaped structure is formed between the rotary blocking plate 16 and the blocking piece 19. The rotation blocking plate 16 is further provided with a width adjustment means, preferably a width adjustment bolt 14. The length of the width adjusting bolt 14 is adjustable, one end of the width adjusting bolt 14 abuts against the blocking sheet 19, the blocking sheet 19 can be close to or far away from the first blocking plate 20 by adjusting the length of the width adjusting bolt 14, namely, the effective width of the ultra-wide blocking channel can be adjusted by adjusting the length of the width adjusting bolt 14, so that detection on cigarette cases with different sizes is adapted, and the compatibility of the ultra-wide cigarette case detecting and removing device 50 on cigarette cases with various sizes is improved. The minimum width of the ultra-wide blocking channel is the width at the minimum distance between the blocking plate 19 and the first blocking plate 20, which is also referred to as the blocking point or the blocking surface. When the ultra-wide blocking channel is in the minimum width, a certain residual amount is left after the width of the cigarette packet 4 is subtracted from the distance formed by the first blocking plate 20 and the blocking sheet 19 on the inner side of the rotating blocking plate 16, so that the ultra-wide cigarette packet can not pass through smoothly, and the blockage deceleration or the blockage stop can be generated only when the ultra-wide cigarette packet is close to or exceeds the maximum width allowed by the process standard. The cigarette packet which is detected by the cigarette packet ultra-wide detection and removal device is not guaranteed to be a qualified cigarette packet, and further detection such as weight detection and the like needs to be carried out by other subsequent cigarette packet quality detection devices.
The blocking sheet 19 is made of elastic materials, and the width adjusting bolt 14 is used for adjusting the shape of the blocking sheet 19 so as to realize the function of adjusting the width of the ultra-wide blocking channel, so that the tobacco bales which are not ultra-wide can smoothly pass through, and the bad tobacco bales with ultra-wide can generate blocking stop or speed reduction in the channel. In addition, since the blocking sheet 19 does not need to be elastically deformed to remove the blockage of the ultra-wide cigarette packet, the blocking sheet 19 should be selected to have sufficient rigidity, but the blocking sheet 19 still needs to have appropriate elasticity to ensure that the elastic width adjustment can be performed. The width adjustment bolt 14 is provided with a lock nut. Of course, the width adjusting bolt can be omitted, and the width adjusting bolt is directly set to be a fixed width during installation.
The blocking sensor 15 is used for detecting whether a cigarette packet exists in the ultra-wide blocking passage, namely, for detecting the passing state of the cigarette packet or the cigarette packet string. The tobacco bale ultra-wide detection and removal device is arranged close to the packing machine, tobacco bales are evenly and intermittently output by the cigarette packing machine at a certain speed, and the tobacco bales are evenly spaced and have no ultra-wide tobacco bale and are not connected. The cigarette packet combination formed by connecting the front end and the rear end of a certain cigarette packet is called a cigarette packet string and is used as cigarette packet blocking treatment. The blockage sensor 15 is used in combination with a timer in the controller 40 to obtain the time taken by the cigarette packet to pass through the ultra-wide blockage passage. The blockage sensor 15 is connected to a timer in the controller 40, and the timer counts the time from the detection of the front end signal of the cigarette packet by the blockage sensor 15 to the disappearance of the rear end signal of the cigarette packet to obtain the time used by the cigarette packet when passing through the ultra-wide blockage passage, and the timer is also called a blockage timer and can be a software or hardware timer.
The blocking sensor 15 can be a capacitive sensor, a photoelectric sensor, an optical fiber sensor, an inductive sensor, etc., as long as it can detect whether the cigarette packet exists in the ultra-wide blocking channel and has enough response speed.
The controller 40 judges whether the cigarette packet is blocked according to the signal of whether the cigarette packet is present, wherein the blocking type comprises the following steps: cigarette packet blocking deceleration and cigarette packet blocking stop. The controller 40 counts to obtain the cigarette packet passing time, and the controller 40 judges whether the cigarette packet is blocked and decelerated or stopped. When the cigarette packet is blocked and decelerated, the controller 40 controls the blockage removing unit not to be started, the cigarette packets with less ultra-wide quantity can be decelerated and passed, and the controller 40 starts the rejecting mechanism in a delayed mode. When the cigarette packet is blocked and stopped, the controller 40 controls the blockage relieving unit to be started immediately to relieve the blockage, namely the electromagnet 12 opens the rotary blocking plate 16 to enable the ultra-wide cigarette packet which is blocked and stopped to relieve the blockage to pass through the ultra-wide blocking channel. And the controller 40 controls the delayed activation rejection mechanism.
The controller 40 includes a timer and a judgment means. The timer is used for measuring the passing time of the cigarette packet; and the judging device is used for judging whether the blockage occurs or not and judging the type of the blockage, namely judging whether the tobacco bale passing time is more than or equal to the set blockage deceleration time threshold or the blockage stopping time threshold. The cigarette packet smooth passing time threshold is smaller than the blocking deceleration time threshold, and the blocking deceleration time threshold is smaller than the blocking stop time threshold.
The rejecting mechanism is arranged at the downstream of the ultra-wide blocking channel and is adjacent to the ultra-wide blocking channel and used for rejecting ultra-wide cigarette packets. The cigarette packet is rejected by starting the rejecting mechanism in a delayed mode when the cigarette packet is blocked and decelerated or is blocked and stopped. The rejecting mechanism can be a motor type rejecting mechanism, a cylinder type rejecting mechanism or an air jet type rejecting mechanism. In this embodiment, the rejecting mechanism is preferably an air-jet rejecting mechanism, and the air-jet rejecting mechanism includes an air pump, a rejecting solenoid valve 31, and a rejecting air nozzle 32. The rejection solenoid valve 31 is connected with the controller 40, the air pump and the rejection air nozzle 32 respectively. The controller 40 controls the opening and closing of the reject solenoid valve 31. When the eliminating electromagnetic valve 31 is in a conducting state, the air pump is communicated with the eliminating air nozzle 32, and the ultra-wide cigarette packet can be pushed away from the conveying belt 1 through the eliminating opening 34 by high-pressure air. After the controller 40 judges that the tobacco bale is ultra wide, a removing signal is sent to the removing electromagnetic valve 31 to remove the tobacco bale, namely, after the controller 40 judges that the tobacco bale is ultra wide, the removing electromagnetic valve is switched on and the air flow is discharged from the removing air nozzle 32, so that the tobacco bale is removed.
The extension plate of the first blocking plate 20 is provided with a through hole 33, and the through hole 33 can accommodate the removing air nozzle 32 and allow the air sprayed from the removing air nozzle 32 to pass through. The through hole 33 is preferably a square hole.
The first blocking plate 20 is provided with a through hole for placing the blocking sensor 15.
The conveyor belt 1 is generally original equipment of a cigarette packet packaging machine. The speed signal of the conveying belt 1 is input into the controller 40, and the controller 40 can correct the blocking deceleration time threshold or the blocking stop time threshold according to the speed inverse ratio of the conveying belt 1, so that the accuracy and intelligence of cigarette packet blocking judgment are improved. The values of the blockage deceleration time threshold and the blockage stopping time threshold in the operation can also be a certain value.
The speed of the conveying belt 1 is properly increased, so that the distance for conveying tobacco packets is increased, and the accuracy of judging the blockage is improved conveniently.
In order to avoid mistaken removal when upstream and downstream equipment are not in emergency shutdown, the tobacco bale conveyor belt is arranged to delay to stop conveying the tobacco bale, and the tobacco bale conveyor belt is stopped after no tobacco bale passes through the detection channel. And the occurrence of emergency shutdown can be avoided without considering the mistaken rejection generated at the moment.
The detection and elimination process executed by the ultra-wide detection and elimination device is as follows:
1. the ultra-wide cigarette packet is blocked and decelerated or stopped, so that the non-ultra-wide cigarette packet can pass through smoothly;
2. performing occlusion detection;
wherein the judging means of the controller 40 judges whether the jam deceleration or the jam stop occurs according to the signals of the counter and the jam sensor 15;
3. the blockage is relieved;
if the blockage stop occurs, the blockage removing unit is started immediately, and the ultra-wide blocking channel is widened to allow the ultra-wide cigarette packet which is blocked and stopped to pass through.
4. Eliminating ultra-wide tobacco packets: and starting the removing unit to remove the ultra-wide cigarette packet as long as the blockage is reduced or stopped.
The cigarette packet can be a hard cigarette packet, a soft cigarette packet or a soft hardened cigarette packet, and cigarette packets filled with cigarettes with different diameters and lengths.
The cigarette packet visual appearance detection device 60 comprises a conveyor belt 1, a light source 106, a camera 107, a guiding device, a trigger sensor group 109 and a second rejecting device, wherein the second rejecting device, the light source 106, the trigger sensor group 109 and the camera 107 are all connected with the controller 40.
The guide device and the conveyor belt 1 together form a visual inspection channel. Preferably, the guide means comprises an upper guide wire assembly and a lower guide plate assembly.
The conveyor belt 1 is used for transporting cigarette packets 4. The upper guide steel wire component is arranged on the upper part of the conveying belt 1, and the lower guide plate component is arranged on two sides of the conveying belt 1. The upper guide steel wire assembly, the lower guide plate assembly and the conveying belt 1 surround together to form an appearance detection channel. And a light source 106, a camera 107 and a trigger sensor group 109 are arranged outside the appearance detection channel.
Go up the direction steel wire subassembly and include first direction steel wire 102 and second direction steel wire 103, it is used for the tobacco bale transportation direction, reduces the swing on the non-direction of transportation of tobacco bale, reduces the camera and shoots the area of sheltering from to do not shelter from the detection key position.
The lower guide plate assembly comprises a first guide plate 104 and a second guide plate 105, and the first guide plate 104 and the second guide plate 105 are respectively arranged on two sides of the conveying belt 1 and compress the conveying belt 1. Lower guide plate subassembly is used for the downside transportation direction to the tobacco bale, reduces the swing on the non-direction of transportation of tobacco bale, reduces the camera and shoots the area of sheltering from to compress tightly conveyer belt 1, reduce the beating of conveyer belt 1 upper and lower direction.
The distance between the innermost sides of the first guide wire 102 and the second guide wire 103 in the direction of the hammer, which is the direction of movement of the conveyor belt 1, is equal to the distance between the innermost sides of the first guide plate 104 and the second guide plate 105, which distance is referred to as the width of the appearance inspection channel.
In addition, the upper guide wire assembly and the lower guide plate assembly may be replaced with two guide glass plates. I.e. the guiding means are glass plates on both sides of the conveyor belt 1, respectively.
The trigger sensor group 109 is disposed at a position downstream of the camera 107.
The light source 106 is used to provide illumination during shooting. When cigarette packet 4 reaches the shooting position, trigger sensor group 109 to detect cigarette packet 4, and controller 40 sends the shooting signal to camera 107. The number of the cameras 107 and the light sources 106 may be several, only one camera 107 and one light source 106 are illustrated in fig. 3, and the control circuit and the control program related to the camera 107 and the light source 106 are not repeated here.
The second rejecting device is used for rejecting the tobacco packets which are detected and judged to be unqualified. The second rejecting device is arranged at the downstream of the appearance detecting channel.
Example four
The present embodiment is different from the second or third embodiment in that:
in order to avoid the blockage of the ultra-wide cigarette packet blocking channel in the ultra-wide blocking channel, when the distance between the ultra-wide cigarette packet blocking channel and the subsequent cigarette packet is smaller than 20mm in the process that the ultra-wide cigarette packet approaches the ultra-wide cigarette packet, the passing speed of the ultra-wide cigarette packet is considered to be close to stop, the cigarette packet is defined as a blockage stop, and the blockage removing unit is started to remove the blockage immediately in the same treatment as the completely blocked and stopped cigarette packet.
The set blocking time threshold coefficient can be modified appropriately according to actual conditions, and the effect of modifying the set blocking time threshold can be achieved by adjusting the front and rear positions of the blocking sensor 15.
EXAMPLE five
The present embodiment is different from any one of the second to fourth embodiments in that:
the electromagnet 12 used for unblocking can be replaced by a combination of a solenoid valve and a cylinder.
EXAMPLE six
The present embodiment is different from any one of the second to fifth embodiments in that:
in the jam clearing unit, the jam detection passage is widened by a movable system such as a horizontally movable stopper piece 19 or an upwardly movable stopper piece 19.
EXAMPLE seven
The present embodiment differs from any one of the second to sixth embodiments in that:
the height of the blocking sheet 19 and the first blocking plate 20 is higher than that of the cigarette packet.
The controller 40 is a PLC or a single chip microcomputer or a logic circuit or a relay circuit.
Example eight
The present embodiment differs from any one of the second to seventh embodiments in that:
before and/or after the removing electromagnetic valve 31, namely upstream and/or downstream of the removing electromagnetic valve 31, a cigarette packet positioning removing sensor can be additionally arranged, the removing sensor is connected with the controller 40, the removing sensor can input a signal for detecting that the cigarette packet is in place to the controller 40, and the controller 40 judges and outputs a removing signal.
Example nine
The present embodiment is different from the third embodiment in that:
the movable blocking plate component in the original cigarette packet ultra-wide detection and rejection device 50 is replaced by a fixed blocking plate component, the fixed blocking plate component comprises a third blocking plate with a fixed position, a blocking piece 19 is connected to the third blocking plate, the third blocking plate is connected with one end of the blocking piece 19, and a wedge-shaped structure is formed between the third blocking plate and the blocking piece 19. The third blocking plate is also provided with a width adjustment device, preferably a width adjustment bolt 14. The length of the width adjusting bolt 14 is adjustable, one end of the width adjusting bolt 14 abuts against the blocking sheet 19, the blocking sheet 19 can be close to or far away from the first blocking plate 20 by adjusting the length of the width adjusting bolt 14, namely, the effective width of the ultra-wide blocking channel can be adjusted by adjusting the length of the width adjusting bolt 14, so that detection on cigarette cases of different sizes is adapted, and the compatibility of the ultra-wide cigarette case detection and removal device 50 on cigarette cases of various sizes is improved. The minimum width of the ultra-wide blocking channel is the width at the minimum separation of the blocking plate 19 and the first blocking plate 20, which is also referred to as the blocking point or the blocking face. When the ultra-wide blocking channel is in the minimum width, a certain residual amount is left after the width of the cigarette packet 1 is subtracted from the distance formed by the first blocking plate 20 and the blocking sheet 19 on the inner side of the third blocking plate, so that the ultra-wide cigarette packet can not pass through smoothly, and the blockage deceleration or the blockage stop can be generated only when the ultra-wide cigarette packet is close to or exceeds the maximum width allowed by the process standard.
When the cigarette is blocked and decelerated or the cigarette stops, the elastic blocking sheet 19 and the ultra-wide cigarette packet are extruded and deformed under the push of the conveying belt and the subsequent cigarette packet, the channel is widened, the ultra-wide cigarette packet is narrowed, and therefore the contact blockage is realized. The controller 40 will also control the rejecting mechanism to operate immediately or in a delayed manner, so as to reject ultra-wide cigarette packets.
Since the blocking sheet 19 needs to be elastically deformed to release the blockage of the ultra-wide cigarette packet, the blocking sheet 19 is made of an elastic material. In addition, the width adjusting bolt 14 is used for adjusting the shape of the blocking sheet 19, so that the function of adjusting the width of the ultra-wide blocking passage is realized, cigarette packets which are not ultra-wide can smoothly pass through, and bad cigarette packets which are ultra-wide can be blocked in the passage to stop or decelerate.
Compared with the tobacco bale ultra-wide detection and removal device 50 in the third embodiment, the tobacco bale ultra-wide detection and removal device 50 in the third embodiment removes the hinge 11, the electromagnet 12, the electromagnet support 13, the limit adjusting bolt 17 and the limit support 18.
Example ten
The present embodiment is different from any one of the first to ninth embodiments in that:
the cigarette packet ultra-wide detection and removal device 50 is arranged at the adjacent downstream of the cigarette packing machine 70, namely, the cigarette packets output by the cigarette packing machine 70 are firstly subjected to ultra-wide detection, and no quality detection or other operation is added before the ultra-wide detection.
Other quality detection devices or other operations can be added between the tobacco bale ultra-wide detection and removal device 50 and the tobacco bale visual appearance detection device 60 or at the downstream of the tobacco bale visual appearance detection device 60, so that the production flow of the tobacco bale is expanded.
The foregoing is merely a preferred embodiment of this invention, which is intended to be illustrative, and not limiting. The structure, the connection mode and the like of all the components in the invention can be changed, and the equivalent transformation and the improvement on the basis of the technical scheme of the invention are not excluded from the protection scope of the invention.
Claims (9)
1. A tobacco bale makes up the checkout gear, characterized by, it includes tobacco bale ultra wide detection and rejecting device, tobacco bale visual appearance checkout gear and controller; the cigarette packet ultra-wide detection and removal device is arranged at the downstream of the cigarette packaging machine, and the cigarette packet ultra-wide detection and removal device is arranged at the upstream of the cigarette packet visual appearance detection device; the tobacco bale ultra-wide detection and rejection device and the tobacco bale visual appearance detection device are respectively electrically connected with the controller; the tobacco bale ultra-wide detection and elimination device is used for detecting and eliminating ultra-wide tobacco bales; the tobacco bale visual appearance detection device is used for detecting the appearance quality of a tobacco bale;
conveying channels are arranged between the cigarette packaging machine and the cigarette packet ultra-wide detection and removal device, and between the cigarette packet ultra-wide detection and removal device and the cigarette packet visual appearance detection device.
2. The cigarette packet combination detection device according to claim 1, wherein the cigarette packet ultra-wide detection and rejection device comprises a conveyer belt, a first blocking plate, a movable blocking plate assembly, a blocking sensor and a rejection mechanism, wherein the conveyer belt, the first blocking plate and the movable blocking plate assembly jointly surround to form an ultra-wide blocking channel; the rejection mechanism is arranged at the downstream position of the ultra-wide blocking channel; a probe of the blocking sensor points to the ultra-wide blocking channel; the controller is electrically connected with the blockage sensor; the controller is also respectively connected with and controls the movable blocking plate component, the conveying belt and the removing mechanism.
3. The cigarette packet combination detecting device according to claim 2, wherein the movable barrier plate assembly includes a barrier sheet, a movable second barrier plate, and a driving device, the barrier sheet is disposed inside the movable second barrier plate; the controller controls the position of the movable second blocking plate through the driving device.
4. The cigarette packet combination detection device according to claim 3, characterized in that the movable second blocking plate is a rotary blocking plate, and the rotary blocking plate is connected with the upstream first guide rod through a hinge; the driving device is an electromagnet, the electromagnet is arranged on the outer side of the rotary blocking plate, and the electromagnet is further connected with the controller.
5. The combined cigarette packet detection device according to claim 2, wherein the rejecting mechanism is a jet rejecting mechanism, the jet rejecting mechanism includes an air pump, a rejecting solenoid valve and a rejecting air nozzle, the rejecting solenoid valve is respectively connected to the controller, the air pump and the rejecting air nozzle, and the controller can control the rejecting solenoid valve to open and close.
6. The cigarette packet combination detection device according to claim 2, wherein the controller comprises a timer and a judgment device, the timer is used for measuring the time of the cigarette packet passing through the ultra-wide blocking channel; the judging device is used for judging whether the blockage and the blockage type occur in the ultra-wide blocking channel.
7. The cigarette packet combination detection device according to claim 1, wherein the cigarette packet ultra-wide detection and rejection device comprises a conveyer belt, a first blocking plate, a fixed blocking plate assembly, a blocking sensor and a rejection mechanism, wherein the conveyer belt, the first blocking plate and the fixed blocking plate assembly jointly surround to form an ultra-wide blocking channel; the fixed stop plate assembly comprises a third stop plate and a stop piece, the stop piece is arranged on the inner side of the third stop plate, and the stop piece is an elastic piece; the eliminating mechanism is arranged at the downstream position of the ultra-wide blocking channel; a probe of the blocking sensor points to the ultra-wide blocking channel; the controller is electrically connected with the blockage sensor; the controller is also connected with and controls the conveyer belt and the rejecting mechanism respectively.
8. The cigarette packet combination detection device according to claim 1, wherein the cigarette packet visual appearance detection device comprises a conveyor belt, a light source, a camera, a guiding device, a trigger sensor group and a second rejecting device, and the second rejecting device, the light source, the trigger sensor group and the camera are all connected with the controller; the guide device and the conveying belt jointly surround to form an appearance detection channel; the light source, the camera and the trigger sensor group are arranged outside the appearance detection channel.
9. The combined cigarette packet detecting device according to claim 8, wherein the guide device includes an upper guide wire assembly and a lower guide plate assembly, the upper guide wire assembly includes a first guide wire and a second guide wire, and the first guide wire and the second guide wire are distributed on both sides of the upper side of the conveyor belt; the lower guide plate assembly comprises a first guide plate and a second guide plate, and the first guide plate and the second guide plate are respectively arranged on two sides of the conveying belt and tightly press the conveying belt.
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