CN114192450B - Method for preventing mixing of cigarettes on comprehensive test board - Google Patents
Method for preventing mixing of cigarettes on comprehensive test board Download PDFInfo
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- CN114192450B CN114192450B CN202111505325.1A CN202111505325A CN114192450B CN 114192450 B CN114192450 B CN 114192450B CN 202111505325 A CN202111505325 A CN 202111505325A CN 114192450 B CN114192450 B CN 114192450B
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- cigarettes
- comprehensive test
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- test board
- tested
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Classifications
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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
- B07C5/38—Collecting or arranging articles in groups
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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
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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
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
- B65G43/08—Control devices operated by article or material being fed, conveyed or discharged
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G65/00—Loading or unloading
- B65G65/30—Methods or devices for filling or emptying bunkers, hoppers, tanks, or like containers, of interest apart from their use in particular chemical or physical processes or their application in particular machines, e.g. not covered by a single other subclass
- B65G65/32—Filling devices
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing Of Cigar And Cigarette Tobacco (AREA)
Abstract
The invention provides a method for preventing mixing of cigarettes on a comprehensive test board, which relates to the technical field of cigarettes test and comprises the following steps: s1, identifying the brands of cigarettes in the front group, and recording the brands as a variable I; s2, placing the sample cigarettes into a comprehensive test table, inputting the license plate number and the machine table number, starting the test, and recording the license plate number as a variable II; s3, comparing whether the first variable is consistent with the second variable by the comprehensive test board; s3.1, if the comparison is consistent, the tested cigarettes directly fall into the current recovery box; s3.2, if the comparison is inconsistent, the comprehensive test bench controls the adjusting mechanism to act so that the tested cigarettes fall into the corresponding recovery boxes; the invention can timely separate and recycle cigarettes with different brands, so that the cigarettes can not be mixed with the cigarettes of the front group, and compared with the traditional picking method, a great amount of time is saved, the phenomenon of mixing the cigarettes due to missing picking can not occur, the manual labor of workers is not increased, and the cigarette testing process is greatly improved.
Description
Technical Field
The invention relates to the technical field of cigarette testing, in particular to a method for preventing mixing of cigarettes on a comprehensive test board.
Background
The comprehensive test bench can measure physical indexes (including weight, circumference, suction resistance, hardness, length, ventilation rate and the like) of the cigarettes, machine staff can put the cigarettes into the comprehensive test bench at regular time to measure the indexes, the machine is fed back after data storage and printing, and a cigarette sample tested by the test bench falls into the cigarette recovery box from the last unit. In work, the cigarette samples with different brands and the same specification are often mixed together, later-stage manual picking is needed, a large amount of time is occupied for picking, and meanwhile, the phenomenon of mixing cards is caused by unclean picking.
The existing methods for solving the problem comprise the steps of posting warning marks at the conspicuous positions, using cigarette recycling boxes with different colors for different brands, setting program popup window reminding on a comprehensive test bench and the like, but the methods are all consciousness and responsibility of operators and are not a standard and programmed anti-mixing method.
Disclosure of Invention
The invention aims to provide a method for preventing mixing of cigarettes on a comprehensive test board, which can effectively prevent mixing of cigarettes.
The invention provides a method for preventing mixing of cigarettes on a comprehensive test board, which comprises the following steps:
s1, identifying the brands of cigarettes in the front group, and recording the brands as a variable I;
s2, placing the sample cigarettes into a comprehensive test table, inputting the license plate number and the machine table number, starting the test, and recording the license plate number as a variable II;
s3, comparing whether the first variable is consistent with the second variable by the comprehensive test board;
s3.1, if the comparison is consistent, the tested cigarettes directly fall into the current recovery box;
and S3.2, if the comparison is inconsistent, the comprehensive test bench controls the adjusting mechanism to act so that the tested cigarettes fall into the corresponding recovery boxes.
Further, in S1, the brands of the cigarettes in the front group are identified by the stored data on the comprehensive test board.
Further, in S2, before the first sample cigarette test is completed, the record brand is variable two.
Further, in S2, the comprehensive test board tests the physical index data of the cigarettes and stores the test data.
Further, in S3, the tested cigarettes fall into different recovery boxes through the smoke guide pipes, the smoke guide pipes are connected with the adjusting mechanism, and the adjusting mechanism is used for controlling the outlet position of the smoke guide pipes.
Further, the adjusting mechanism comprises a support, a stepping motor is fixedly arranged on the support, a rotating piece is rotatably arranged on the support, the stepping motor drives the rotating piece to rotate, and the rotating piece is connected with the smoke guide pipe.
Further, the rotating piece is a sleeve, a bearing is arranged on the support, the sleeve penetrates through the support and is inserted into the bearing, an outer ring of the sleeve is connected with a rotating shaft of the stepping motor through an annular belt, and one end of the smoke guide pipe is inserted into the sleeve.
Further, the comprehensive test board is connected with the stepping motor through a singlechip system.
Further, if the comparison of the comprehensive test tables is inconsistent, the comprehensive test tables send serial commands to the singlechip system.
Further, the singlechip system receives the serial port command and converts the serial port command into driving signals of the rotation speed, the rotation angle and the rotation direction of the stepping motor.
According to the technical scheme, the comprehensive test table is used for comparing the marks respectively represented by the first variable and the second variable, so that cigarettes with different marks can be timely recycled in a box separation mode, the cigarettes are not mixed with the cigarettes of the front group, compared with a traditional picking method, a large amount of time is saved, the phenomenon of mixing the cards due to missing picking can not occur, and the cigarettes with inconsistent marks are collected in the box separation mode through the adjusting mechanism, so that the manual labor of workers is not increased, and the cigarette test process is greatly improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a flow chart of the present invention;
FIG. 2 is a schematic view of an adjusting mechanism according to the present invention;
reference numerals illustrate:
1-adjusting mechanism, 101-smoke guide pipe, 102-support, 103-step motor, 104-sleeve, 105-bearing and 106-ring belt;
Detailed Description
The technical solutions of the present invention will be clearly and completely described in connection with the embodiments, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should 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", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise. Furthermore, the terms "mounted," "connected," "coupled," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Example 1
The invention provides a method for preventing mixing of cigarettes on a comprehensive test board, which comprises the following steps: s1, identifying the brands of cigarettes in the front group, and recording the brands as a variable I; s2, placing the sample cigarettes into a comprehensive test table, inputting the license plate number and the machine table number, starting the test, and recording the license plate number as a variable II; s3, comparing whether the first variable is consistent with the second variable by the comprehensive test board; s3.1, if the comparison is consistent, the tested cigarettes directly fall into the current recovery box; and S3.2, if the comparison is inconsistent, the comprehensive test bench controls the adjusting mechanism 1 to act so that the tested cigarettes fall into the corresponding recovery boxes.
Specifically, in the invention, two variables are provided, the marks of two groups of cigarettes tested adjacently before and after are recorded and are respectively filled into the two variables, so that before each group of cigarettes starts, whether the two groups of cigarettes tested adjacently before and after are the same mark can be determined by comparing the two variables, if the two groups of cigarettes are the same mark, the recovery path after the last group of cigarettes are tested is not changed, and if the two groups of cigarettes are not the same mark, the recovery path of the current tested cigarettes is required to be changed so that the two groups of cigarettes are not mixed with the last group of cigarettes; for the identification of the brands, one mode is realized manually, for example, before the current cigarette is tested, a tester manually inputs the brands of the current cigarette on the comprehensive test bench, and the other mode is to store characteristic images of various brands in a database of the comprehensive test bench in advance through photographing or scanning identification, then photograph and scan the cigarette currently put into the comprehensive test bench by using a lens, and compare the characteristic images in the database to determine the brands of the current cigarette; after the comparison is consistent, the regulating mechanism 1 keeps silent, the cigarettes are still recovered to the current recovery box by the path of the last time, after the comparison is inconsistent, the regulating mechanism 1 acts to change the recovery path of the cigarettes, so that the cigarettes to be tested are recovered to the recovery boxes corresponding to the brands of the cigarettes.
And S1, identifying the brands of the cigarettes in the front group through the stored data on the comprehensive test bench. Specifically, for a variable, namely the stored brand of the front group of tested cigarettes, the invention directly calls the data of the previous testing process through the comprehensive test bench, and a tester does not need to check and confirm the current collection box, so that the labor intensity of workers is reduced.
In S2, before the first sample cigarette test is completed, the record mark is a variable II. Specifically, in order to reduce the phenomenon of mixing the cigarettes as much as possible, when the current sample cigarette group is tested, the record of the second variable is completed before the first cigarette is tested, so that the tested first sample cigarettes can enter the corresponding recovery box, and the cigarettes which follow naturally also enter the corresponding collection box, so that the phenomenon of mixing the cigarettes with any different brands is avoided.
And S2, testing the physical index data of the cigarettes by the comprehensive test table and storing the test data. Specifically, in the invention, the starting test process of the comprehensive test bench is to test physical index data such as weight, circumference, suction resistance, hardness, length, ventilation rate and the like of cigarettes, store the data in a database of the comprehensive test bench after the test is completed, and feed the data back to the machine after printing; the cigarettes after the test enter the current (same brand as the last test) recycling box or enter the corresponding (different brand from the last test) recycling box according to the comparison result.
In S3, the tested cigarettes fall into different recovery boxes through the smoke guide pipe 101, the smoke guide pipe 101 is connected with the adjusting mechanism 1, and the adjusting mechanism 1 is used for controlling the outlet position of the smoke guide pipe 101. Specifically, the inlet of the smoke guide pipe 101 receives cigarettes tested from the comprehensive test bench, and the cigarettes after the test move in the smoke guide pipe 101, so that when the outlet of the smoke guide pipe 101 is aligned to different recovery boxes, the cigarettes are finally collected in the different recovery boxes; the adjusting mechanism 1 is used for controlling the outlet position of the smoke guide pipe 101.
The adjusting mechanism 1 comprises a support 102, a stepping motor 103 is fixedly arranged on the support 102, a rotating piece is rotatably arranged on the support, the stepping motor 103 drives the rotating piece to rotate, and the rotating piece is connected with the smoke guide pipe 101. Specifically, in the invention, the rotation of the smoke guide pipe 101 is controlled by the rotation of the stepping motor 103 by the adjusting mechanism 1, and when the smoke guide pipe 101 rotates, the position of the outlet end of the smoke guide pipe is changed at the same time, so that cigarettes are discharged into different recovery boxes; the rotating member is an auxiliary rotating member, and the stepping motor 103 is indirectly connected with the smoke guide tube 101 through the rotating member.
The rotating piece is a sleeve 104, a bearing 105 is arranged on the support 102, the sleeve 104 penetrates through the support 102 and is inserted into the bearing 105, the outer ring of the sleeve 104 is connected with the rotating shaft of the stepping motor 103 through an annular belt 106, and one end of the smoke guide tube 101 is inserted into the sleeve 104. Specifically, in the adjusting mechanism 1, the support 102 is a mounting and fixing base, the stepping motor 103 and the bearing 105 are respectively fixed on two sides of the support 102, the outer ring of the bearing 105 is fixedly connected with the support 102, the inner ring of the bearing 105 is fixedly connected with the sleeve 104, the top end of the smoke guiding pipe 101 is inserted into the sleeve 104 and is fixedly connected with the sleeve 104, the position right above the top end of the smoke guiding pipe 101 is the discharge port of the tested cigarettes of the comprehensive test bench, the tested cigarettes of the comprehensive test bench fall into the top end inlet of the smoke guiding pipe 101 first, when the stepping motor 103 drives the sleeve 104 to rotate, the sleeve 104 drives the smoke guiding pipe 101 to rotate, and as the smoke guiding pipe 101 is a crank pipe (the axis is not vertical), the outlet end of the smoke guiding pipe 101 can rotate correspondingly, and the outlet of the smoke guiding pipe 101 can be accurately stopped at a position corresponding recovery box by controlling the rotation quantity, so that the cigarettes are discharged into the corresponding recovery box.
The comprehensive test table is connected with the stepping motor 103 through a singlechip system. Specifically, in the adjusting mechanism 1, the accurate control of the outlet of the smoke guide tube 101 is mainly realized through the rotation amount of the stepping motor 103, and for the control of the stepping motor 103, the control is integrated onto the control system of the comprehensive test bench through the single-chip microcomputer system, and when the comparison on the comprehensive test bench is completed, the comprehensive test bench immediately sends a signal to the single-chip microcomputer system, so that the silence or the action of the stepping motor 103 is controlled.
If the comparison of the comprehensive test tables is inconsistent, the comprehensive test tables send serial port commands to the singlechip system. Specifically, in the invention, when the comparison is consistent, the comprehensive test bench does not send any command to the singlechip system so as to keep lower power consumption, and when the comparison is inconsistent, the comprehensive test bench sends serial port communication commands to the singlechip system, and the automation of the classification of cigarettes of different brands is realized by utilizing a serial port communication mode.
The single chip microcomputer system receives the serial port command and converts the serial port command into driving signals of the rotation speed, the rotation angle and the rotation direction of the stepping motor 103. Specifically, in the present invention, the serial port command sent by the integrated console includes the values of the rotation speed, rotation angle and rotation direction of the stepper motor 103, so that the stepper motor 103 can accurately reach the position corresponding to the recycling box.
The working principle of the invention is as follows:
recording the brands of two groups of cigarettes tested adjacently before and after, and respectively filling the brands into the first variable and the second variable, and comparing the two variables before each group of cigarettes starts to determine whether the two groups of cigarettes tested adjacently before and after are of the same brands, if the two groups of cigarettes are of the same brands, the recovery paths of the previous group of cigarettes after the test are not changed, namely the cigarettes still fall into the recovery box of the previous group of cigarettes; if the cigarette is not of the same grade, a signal is required to be sent to the singlechip system through the comprehensive control console, so that the stepping motor 103 is controlled to rotate to drive the smoke guide tube 101 to rotate, and the recovery path of the cigarette currently tested is changed to enter a recovery box corresponding to the grade; according to the invention, the comprehensive test bench is used for automatically controlling the adjusting mechanism 1 according to the comparison result to change the cigarette recovery path, so that the cigarette recovery path is more reliable compared with the traditional picking mode which depends on the consciousness and responsibility of workers, and the labor intensity of the workers is reduced, thereby optimizing the cigarette test process.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (5)
1. The method for preventing the mixing of the cigarettes on the comprehensive test board is characterized by comprising the following steps of:
s1, recognizing the brands of the cigarettes in the front group through the stored data on the comprehensive test bench, and recording the brands as a variable I;
s2, placing the sample cigarettes into a comprehensive test bench, inputting the brand and the machine number, starting the test, testing physical index data of the cigarettes by the comprehensive test bench, storing the test data, and recording the brand as a variable II before the test of the first sample cigarettes is completed;
s3, comparing whether the first variable is consistent with the second variable by the comprehensive test board;
s3.1, if the comparison is consistent, the tested cigarettes directly fall into the current recovery box;
s3.2, if the comparison is inconsistent, the comprehensive test bench controls the adjusting mechanism to act so that the tested cigarettes fall into the corresponding recovery boxes;
the tested cigarettes fall into different recovery boxes through the smoke guide pipes, the smoke guide pipes are connected with the adjusting mechanism, the adjusting mechanism is used for controlling the outlet position of the smoke guide pipes and comprises a support, a stepping motor is fixedly installed on the support, a rotating piece is rotatably installed on the support, the stepping motor drives the rotating piece to rotate, and the rotating piece is connected with the smoke guide pipes.
2. The method for preventing mixing of cigarettes comprehensive test board according to claim 1, wherein the rotating member is a sleeve, the support is provided with a bearing, the sleeve penetrates through the support and is inserted into the bearing, the sleeve outer ring is connected with the rotating shaft of the stepping motor through an annular belt, and one end of the smoke guide pipe is inserted into the sleeve.
3. The method for preventing mixing of cigarettes comprehensive test board according to claim 1, wherein the comprehensive test board is connected with the stepping motor through a single chip microcomputer system.
4. The method for preventing mixing of cigarettes comprehensive test board according to claim 3, wherein if the comparison of the comprehensive test boards is inconsistent, the comprehensive test board sends a serial port command to the singlechip system.
5. The method for preventing mixing of cigarettes comprehensive test board according to claim 4, wherein the single chip microcomputer system receives serial port commands and converts the serial port commands into driving signals of rotation speed, rotation angle and rotation direction of the stepping motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111505325.1A CN114192450B (en) | 2021-12-10 | 2021-12-10 | Method for preventing mixing of cigarettes on comprehensive test board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111505325.1A CN114192450B (en) | 2021-12-10 | 2021-12-10 | Method for preventing mixing of cigarettes on comprehensive test board |
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| Publication Number | Publication Date |
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| CN114192450A CN114192450A (en) | 2022-03-18 |
| CN114192450B true CN114192450B (en) | 2023-09-08 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203419280U (en) * | 2013-08-22 | 2014-02-05 | 任久生 | Online automatic detection device for avoiding brand fault and mixing in carton cigarette packaging process |
| CN206456602U (en) * | 2017-01-23 | 2017-09-01 | 浙江中烟工业有限责任公司 | A kind of finished parts cigarette mixes board detection means |
| CN112021650A (en) * | 2020-09-27 | 2020-12-04 | 红云红河烟草(集团)有限责任公司 | Automatic sample classification device of cigarette integrated test bench |
| CN213445008U (en) * | 2020-11-09 | 2021-06-15 | 河北白沙烟草有限责任公司保定卷烟厂 | Mistake-proofing mixed-brand baffle device for conveying cigarette carton |
| CN213855793U (en) * | 2020-08-16 | 2021-08-03 | 宝鸡市信诚电子有限公司 | Cigarette carton mixing detection system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102011113704A1 (en) * | 2011-08-02 | 2013-02-07 | Focke & Co. (Gmbh & Co. Kg) | Method and device for optical testing of objects to be tested in the manufacture and / or packaging of cigarettes |
-
2021
- 2021-12-10 CN CN202111505325.1A patent/CN114192450B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203419280U (en) * | 2013-08-22 | 2014-02-05 | 任久生 | Online automatic detection device for avoiding brand fault and mixing in carton cigarette packaging process |
| CN206456602U (en) * | 2017-01-23 | 2017-09-01 | 浙江中烟工业有限责任公司 | A kind of finished parts cigarette mixes board detection means |
| CN213855793U (en) * | 2020-08-16 | 2021-08-03 | 宝鸡市信诚电子有限公司 | Cigarette carton mixing detection system |
| CN112021650A (en) * | 2020-09-27 | 2020-12-04 | 红云红河烟草(集团)有限责任公司 | Automatic sample classification device of cigarette integrated test bench |
| CN213445008U (en) * | 2020-11-09 | 2021-06-15 | 河北白沙烟草有限责任公司保定卷烟厂 | Mistake-proofing mixed-brand baffle device for conveying cigarette carton |
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| Publication number | Publication date |
|---|---|
| CN114192450A (en) | 2022-03-18 |
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