CN209901754U - Detection device for less cigarette packets and less cigarette branches during cigarette conveying - Google Patents
Detection device for less cigarette packets and less cigarette branches during cigarette conveying Download PDFInfo
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- CN209901754U CN209901754U CN201920408805.8U CN201920408805U CN209901754U CN 209901754 U CN209901754 U CN 209901754U CN 201920408805 U CN201920408805 U CN 201920408805U CN 209901754 U CN209901754 U CN 209901754U
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Abstract
The utility model relates to a tobacco production electrical automation detects technical field, concretely relates to cigarette carton carries few packet detection device and detection method less, include: the device comprises a conveying belt driving device, a receiving accelerating unit, a weighing unit and a cigarette rod conveying unit, wherein the receiving accelerating unit, the weighing unit and the cigarette rod conveying unit are sequentially arranged from front to back along a conveying path; the receiving acceleration unit comprises a receiving conveying belt; the weighing unit comprises a weighing conveyer belt and a pressure sensor; the cigarette rod conveying unit is used for receiving cigarette rods output by the weighing conveying belt and conveying the cigarette rods to the next process, and comprises a cigarette rod conveying belt; the conveying belt driving device is used for driving the receiving conveying belt, the weighing conveying belt and the cigarette rod conveying belt. The utility model discloses a detection device can not only detect the cigarette strip and wrap less through carrying the weighing to the cigarette strip, can detect out in the strip simultaneously more than 5 less cigarette strips, the interior incomplete broken tobacco bale weight loss 2% and above cigarette strip, detect safe and reliable, no serious potential safety hazard, the trouble is low, and the maintenance work volume is little.
Description
Technical Field
The utility model relates to a tobacco production electrical automation detects technical field, concretely relates to cigarette carton carries few packet detection device less.
Background
The original machine of the cigarette strip packaging machine is generally provided with inductive less-pack detection, but the detection of less-pack cigarette strips due to the fact that transverse packs, inclined packs and residual packs exist in the original machine is difficult, and the novel environment-friendly aluminum foil lined cigarette packet cannot be detected; at present, the improved cigarette carton packaging machine outlet and cigarette carton conveying system adopts a cigarette carton less-packaging detection mode which uses more photon less-packaging detection, can only detect less packages, and cannot detect 5 cigarettes or more than 5 cigarettes. The photons are actually X-waveband photons, and not only are X-ray dangerous sources but also high-voltage dangerous sources of 15KV to 20KV, so that potential safety hazards exist in maintenance and use, and meanwhile, the photons are high in failure rate, low in reliability and large in maintenance workload.
In view of the above-mentioned drawbacks, the authors of the present invention have finally obtained the present invention through long-term research and practice.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical defect, the utility model provides a few detection device of few package are carried to tobacco rod, it can be in tobacco rod transportation process, through the weight that detects the tobacco rod, judge few package in the tobacco rod, the less cigarette more than 5, the condition more than the incomplete broken tobacco bale weight reduction 2% and in,.
The utility model discloses a technical scheme lie in:
a few packet of few detection device is carried to tobacco rod, includes: the device comprises a conveying belt driving device, a receiving accelerating unit, a weighing unit and a cigarette rod conveying unit, wherein the receiving accelerating unit, the weighing unit and the cigarette rod conveying unit are sequentially arranged from front to back along a conveying path;
the receiving acceleration unit is used for receiving and conveying the tobacco rods and comprises a receiving conveying belt;
the weighing unit is used for receiving and conveying the cigarette strips output by the receiving acceleration unit and carrying out weight detection on the cigarette strips, and comprises a weighing conveyer belt and a pressure sensor, wherein an input rod of the pressure sensor directly or indirectly abuts against the weighing conveyer belt, so that the input rod of the pressure sensor bears the gravity of the weighing conveyer belt, and the weight of the cigarette strips on the weighing conveyer belt is detected;
the cigarette rod conveying unit is used for receiving cigarette rods output by the weighing conveying belt and conveying the cigarette rods to the next process, and comprises a cigarette rod conveying belt;
the conveying belt driving device is used for driving the receiving conveying belt, the weighing conveying belt and the cigarette rod conveying belt.
Further, the conveying belt driving device comprises a first driving device and a second driving device, the first driving device is used for driving the receiving conveying belt and the cigarette rod conveying belt, and the second driving device is used for driving the weighing conveying belt.
Further, the conveying belt driving device comprises a first driving device, a second driving device and a third driving device, the first driving device is used for driving the receiving conveying belt, the second driving device is used for driving the weighing conveying belt, and the third driving device is used for driving the cigarette rod conveying belt.
Further, the conveyer belt drive device comprises a motor and a motor driver which are connected, and the motor driver is used for controlling the starting, the stopping and the speed regulation of the motor.
Further, still include cigarette position detecting element and the control unit, cigarette position detecting element with pressure sensor respectively with the control unit electricity is connected, cigarette position detecting element is located the position that is close to the conveyer belt of weighing for detect the position of cigarette on the conveyer belt, motor driver is connected with the control unit electricity.
Furthermore, the system also comprises a human-computer control interface which is electrically connected with the control unit.
Further, still including rejecting the unit, reject the unit and include the air supply, reject the air cock and reject the switch, the air supply is linked together with rejecting the air cock, it is used for controlling the jet-propelled of rejecting the air cock to open and stop to reject the switch, the control unit is connected with rejection switch electricity, can control the opening of rejecting the switch and stop, it is located to reject the air cock one side of position department of cigarette strip conveyer belt.
Furthermore, cigarette strip baffles are arranged on two sides of the receiving conveyer belt, the weighing conveyer belt and the cigarette strip conveyer belt, and a rejecting opening is arranged on the cigarette strip baffle on one side of the cigarette strip conveyer belt opposite to the rejecting air nozzle.
Furthermore, the receiving conveyer belt is close to one end of the weighing conveyer belt, and guide blocks are arranged on the inner sides of the cigarette bar baffle plates on the two sides of the receiving conveyer belt and used for adjusting the cigarette bars to the middle position of the receiving conveyer belt.
The detection steps are as follows:
s1, accelerating a cigarette to a weighing and transporting speed by a receiving conveyer belt, placing the cigarette near the center of the weighing conveyer belt in the width direction by a guide block, outputting a signal to a control unit by a cigarette position detection unit when the cigarette reaches the middle position of the weighing conveyer belt in the length direction, and acquiring a pressure sensor signal and performing analog-to-digital conversion by the control unit to obtain a weight value of the cigarette;
s2, comparing the actual weight value with an upper threshold value and a lower threshold value allowed by a preset brand or type, judging that the weight value is qualified in an allowed range, and otherwise, judging that the weight value is unqualified;
and S3, if the cigarette is judged to be unqualified, when the cigarette is conveyed to the removing position of the cigarette conveying belt, the cigarette position detection unit outputs a signal to the control unit, the control unit outputs a removing number to the removing switch, and the removing air nozzle sprays air to remove the cigarette out of the cigarette conveying belt.
Compared with the prior art, the beneficial effects of the utility model reside in that:
according to the detection device and the detection method for the tobacco rod conveying few-package and few-cigarette, the tobacco rod conveying weighing is adopted, so that the tobacco rod few-package can be detected, meanwhile, the tobacco rod with less than 5 cigarettes in the tobacco rod and the tobacco rod with the weight of the broken tobacco package reduced by 2% or more can be detected, the detection is safe and reliable, no serious potential safety hazard exists, the fault is low, and the maintenance workload is small.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of the detection device for conveying small packets and small cigarettes;
FIG. 2 is an internal structure view of the detection device for conveying small packets and small cigarettes;
fig. 3 is a control structure diagram of the detection device for conveying less packets and less branches of tobacco sticks.
Reference numerals:
1. a tobacco rod baffle; 2. receiving a conveyor belt; 3. a tobacco rod; 4. a human-machine interface; 5. a guide block; 6. weighing the conveyer belt; 7. weighing the conveyor belt bracket; 8. a weighing conveyer belt driving motor; 9. a pressure sensor; 10. a protective cover; 11. a position sensor; 12. a tobacco rod conveyor belt; 13. removing the air faucet; 14. removing the opening; a controller; 16 weighing conveyer belt motor driver; 17. rejecting electromagnetic valve
Detailed Description
The above and further features and advantages of the present invention will be 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", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed 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 limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, 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 meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate 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.
As shown in fig. 1 and 2, a cigarette conveying weight detection device comprises a conveyor belt driving device, a receiving acceleration unit, a weighing unit, a cigarette conveying unit, a cigarette position detection unit, a control unit, a human-computer control interface and a rejection unit;
receive acceleration unit, including receiving conveyer belt 2, guide block 5 for receive the tobacco rod 3 of tobacco rod packagine machine or lifting machine output, buffer 3 whereabouts impact forces of tobacco rod, and with its acceleration to the transport speed of weighing, and place the tobacco rod near 6 width direction centers of conveyer belt of weighing through guide block 5, the tobacco rod does not contact with both sides tobacco rod baffle 1 during weighing, improves the precision of weighing.
It should be noted that the device requires that the distance between the input cigarette sticks is not less than 30mm, the cigarette stick output of the cigarette stick packaging machine or the cigarette stick lifting machine is intermittent output, and the distance between the cigarette sticks is far more than 30 mm. If the cigarette rod separating device is arranged at other positions and cannot meet the requirement of cigarette rod spacing, the cigarette rod separating device needs to be additionally arranged or the cigarette rod conveying speed needs to be increased.
The weighing unit comprises a weighing conveyer belt 6, a weighing conveyer belt bracket 7, a weighing conveyer belt driving motor 8, a pressure sensor 9 and a protective cover 10, and is used for weighing cigarette sticks and enabling the cigarette sticks to be conveyed through at a constant speed. The protective cover 10 is fixedly arranged and can be selectively fixed on the baffle, and the weighing conveyer belt driving motor 8, the weighing conveyer belt 6 and the driving and driven wheels thereof are arranged on the weighing conveyer belt bracket 7. The weighing conveyer belt bracket 7 is connected with a pressure input rod of a pressure sensor 9, and the weighing conveyer belt bracket 7 is not contacted with the receiving accelerating unit and the cigarette rod conveying unit. The pressure sensor 9 has not only a sensor function but also a function of limiting and guiding the input rod, guiding and transmitting pressure to small-amplitude movement of a few millimeters in the vertical direction of the input rod, but limiting the input rod to rotate horizontally and in other directions, and is internally provided with a guide groove in one direction, and the bottommost part of the input rod is a piezoelectric conversion component. The weighing conveyer belt bracket 7 is fixedly connected with the weighing conveyer belt bracket 7 through bolts, so the gravity of the weighing conveyer belt bracket 7, the weighing conveyer belt driving motor 8, the weighing conveyer belt 6, a driving wheel, a driven wheel and the like of the weighing conveyer belt 6 is added on an input rod of the pressure sensor 9. Therefore, the actual weight stabilizing and peeling weight is the weighing conveyer belt bracket 7, the weighing conveyer belt driving motor 8, the weighing conveyer belt 6 and the driving and driven wheels thereof. Preferably, the pressure sensor is a single-point type weighing sensor, the type of the pressure sensor is PC6-20KG C3-s, the weighing conveyer belt 6 is driven by an independent motor, the whole weighing unit is not directly connected or contacted with the receiving accelerating unit and the cigarette rod conveying unit, the influence of vibration of the whole weighing unit on weighing is isolated, and the weighing precision is improved. The pressure sensor 9 is mounted on the underside of a protective cover 10, which protective cover 10 also serves as a support for the entire weighing cell.
The cigarette position detection unit comprises a position sensor 11, and is used for detecting the central position of the weighing conveyer belt 6 reached by the cigarette and the position of the cigarette reaching the rejecting position. The present example uses only the rising and falling edges of one sensor to detect the two positions of the rod, although two sensors could be used.
The rejecting unit comprises a rejecting switch, a rejecting air nozzle 13 and a rejecting opening 14 and is used for airflow rejecting of tobacco sticks with unqualified weight. The rejecting switch adopts a rejecting electromagnetic valve 17, and the rejecting opening 14 is arranged behind the weighing conveyer belt 6 and is adjacent to the weighing conveyer belt.
The cigarette rod conveying unit comprises a cigarette rod conveying belt 12 and is used for conveying qualified cigarette rods to the next procedure after weighing, such as cigarette rod appearance detection, centralized boxing and the like.
The rod conveyor 12 and the receiving conveyor 2 are typically driven by the same motor, but may be driven independently of one another.
The control unit comprises a controller 15, a motor driver 16 and a human-computer interface 4, wherein the controller 15 is used for controlling the whole system or device, the motor driver 16 is used for starting, stopping and regulating the speed of the weighing belt driving motor 8, and the human-computer interface 4 is used for setting and displaying.
As shown in fig. 3, the pressure sensor 9 and the position sensor 11 are connected with the input end of the controller 15, the motor driver 16 and the rejection solenoid valve 17 are connected with the output end of the controller 15, and the rejection solenoid valve 17 is connected with the rejection air nozzle 13 through an air pipe.
The weight allowable deviation of the tobacco rod is generally less than 1%, the error of weighing detection is less than 0.5%, and then a 0.5% safety value is added, so that the device can detect unqualified tobacco rods with the weight deviation of 2% or more.
For example, after the weight of the packing material is calculated for each 10 cigarette-packed tobacco rod, the weight is reduced by more than 9% for each cigarette with less cigarettes, so that not only the tobacco rod with less cigarettes and with the weight reduced by more than 2% for the broken cigarette packet inside, for example, the tobacco rod with 200 cigarettes in each cigarette can be easily detected, and after the weight of the packing material is calculated, the tobacco rod with less cigarettes can be detected with 5 cigarettes or more. Therefore, the detection precision is far higher than that of the existing X-ray photon few-packet detection device.
Weighing detection parameters are as follows: the upper and lower threshold values of the cigarette weight and the like are set and stored according to different brands or classifications, so that the brands can be replaced conveniently. The weighing detection parameter setting is set through the human-computer interface 4 and stored in the controller 15.
The specific detection method is as follows:
A. when the cigarette rod reaches the middle position of the weighing belt (6), the position sensor (11) outputs a rising edge signal to the controller (15), and the controller (15) collects a signal of the pressure sensor (9) and performs analog-to-digital conversion to obtain a weight value of the cigarette rod (3) in grams.
B. And comparing the actual weight value with a preset brand or a preset type of allowable upper and lower threshold values, judging that the product is qualified within an allowable range, and otherwise, judging that the product is unqualified.
C. If the cigarette is judged to be unqualified, when the cigarette leaves the position sensor (11), the controller (15) outputs a falling edge signal to the controller (15), and the controller (15) outputs a rejecting number to the rejecting electromagnetic valve (17) in a delayed mode to reject the cigarette.
The invention can detect not only the few cigarette strips but also the few cigarette strips with more than 5 inner cigarettes and the cigarette strips with the weight of the broken cigarette packet reduced by 2 percent or more by conveying and weighing the cigarette strips, has safe and reliable detection, no serious potential safety hazard, low fault and small maintenance workload.
The foregoing is merely a preferred embodiment of the invention, which is intended to be illustrative, not limiting. The utility model discloses in all can change to some extent structure and connected mode etc. of each part all be in the utility model discloses equal transform and the improvement of going on technical scheme's the basis all should not get rid of the utility model discloses an outside the protection scope.
Claims (9)
1. The utility model provides a cigarette strip is carried few package and is had a short detection device which characterized in that includes: the device comprises a conveying belt driving device, a receiving accelerating unit, a weighing unit and a cigarette rod conveying unit, wherein the receiving accelerating unit, the weighing unit and the cigarette rod conveying unit are sequentially arranged from front to back along a conveying path;
the receiving acceleration unit is used for receiving and conveying the tobacco rods and comprises a receiving conveying belt;
the weighing unit is used for receiving and conveying the cigarette strips output by the receiving acceleration unit and carrying out weight detection on the cigarette strips, and comprises a weighing conveyer belt and a pressure sensor, wherein an input rod of the pressure sensor directly or indirectly abuts against the weighing conveyer belt, so that the input rod of the pressure sensor bears the gravity of the weighing conveyer belt, and the weight of the cigarette strips on the weighing conveyer belt is detected;
the cigarette rod conveying unit is used for receiving cigarette rods output by the weighing conveying belt and conveying the cigarette rods to the next process, and comprises a cigarette rod conveying belt;
the conveying belt driving device is used for driving the receiving conveying belt, the weighing conveying belt and the cigarette rod conveying belt.
2. The apparatus according to claim 1, wherein the conveyor belt driving means comprises a first driving means for driving the receiving conveyor belt and the rod conveyor belt and a second driving means for driving the weighing conveyor belt.
3. The apparatus according to claim 1, wherein the conveyor belt driving means comprises a first driving means for driving the receiving conveyor belt, a second driving means for driving the weighing conveyor belt, and a third driving means for driving the rod conveyor belt.
4. The detection device for detecting the lack of packets and the lack of branches during the cigarette rod conveying according to claim 1, wherein the conveying belt driving device comprises a motor and a motor driver which are connected, and the motor driver is used for controlling the starting and the stopping of the motor and regulating the speed.
5. The detection device for detecting the cigarette conveying quantity and the small package as claimed in claim 4, further comprising a cigarette position detection unit and a control unit, wherein the cigarette position detection unit and the pressure sensor are respectively electrically connected with the control unit, the cigarette position detection unit is located close to the weighing conveyer belt and used for detecting the position of the cigarette on the conveyer belt, and the motor driver is electrically connected with the control unit.
6. The detection device for detecting the lack of packets and the lack of branches during the conveying of the tobacco rods as claimed in claim 5, further comprising a human-computer control interface, wherein the human-computer control interface is electrically connected with the control unit.
7. The detection device for detecting the lack of packets and the lack of branches during the cigarette conveying according to claim 5, further comprising a rejecting unit, wherein the rejecting unit comprises an air source, a rejecting air nozzle and a rejecting switch, the air source is communicated with the rejecting air nozzle, the rejecting switch is used for controlling the air jet of the rejecting air nozzle to start and stop, the control unit is electrically connected with the rejecting switch and can control the start and stop of the rejecting switch, and the rejecting air nozzle is located on one side of the rejecting position of the cigarette conveying belt.
8. The detecting device for detecting the lack of package and the small number of cigarette sticks as claimed in claim 7, wherein the receiving conveyer belt, the weighing conveyer belt and the cigarette stick conveyer belt are provided with cigarette stick baffles at two sides, and the cigarette stick baffle at the side of the cigarette stick conveyer belt opposite to the rejecting air nozzle is provided with rejecting openings.
9. The detection device for detecting the lack of package and the small number of cigarette sticks as claimed in claim 8, wherein the receiving conveyer belt is near one end of the weighing conveyer belt, and guide blocks are arranged on the inner sides of cigarette stick baffles on two sides of the receiving conveyer belt for adjusting the cigarette sticks to the middle position of the receiving conveyer belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920408805.8U CN209901754U (en) | 2019-03-28 | 2019-03-28 | Detection device for less cigarette packets and less cigarette branches during cigarette conveying |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920408805.8U CN209901754U (en) | 2019-03-28 | 2019-03-28 | Detection device for less cigarette packets and less cigarette branches during cigarette conveying |
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| CN209901754U true CN209901754U (en) | 2020-01-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111744817A (en) * | 2019-03-28 | 2020-10-09 | 红塔烟草(集团)有限责任公司 | Detection device and detection method for less packets and less branches in cigarette conveying |
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2019
- 2019-03-28 CN CN201920408805.8U patent/CN209901754U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111744817A (en) * | 2019-03-28 | 2020-10-09 | 红塔烟草(集团)有限责任公司 | Detection device and detection method for less packets and less branches in cigarette conveying |
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