CN112758635B - Roller type servo drive control method for thread feeding machine of cigarette making machine set - Google Patents
Roller type servo drive control method for thread feeding machine of cigarette making machine set Download PDFInfo
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- CN112758635B CN112758635B CN202110073677.8A CN202110073677A CN112758635B CN 112758635 B CN112758635 B CN 112758635B CN 202110073677 A CN202110073677 A CN 202110073677A CN 112758635 B CN112758635 B CN 112758635B
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- preset
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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
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
- A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
- A24C5/39—Tobacco feeding devices
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Abstract
The invention discloses a roller type servo drive control method of a thread feeding machine of a cigarette making machine set, which comprises the following steps: (1) establishing the corresponding relation between cigarettes of different types and the flow of tobacco shreds in a control program: (2) detecting whether the cigarette production is consistent with the preset production; (3) if the actual cigarette production is less than the preset production, calling a preset control mode F which is less than the current tobacco shred flow by the main PLC; detecting whether the cigarette production is consistent with the preset production within the preset time; if the tobacco shred flow F is consistent with the flow F, the cigarette making unit is operated; (4) and continuously calling a preset control mode smaller than the current tobacco shred flow until the cigarette production is consistent with the preset production in the current preset control mode, and maintaining the tobacco shred flow at the moment to operate the cigarette unit. The cigarette constant flow rate control device can use a unified/one set of control program to realize constant flow rate supply of tobacco shreds according to cigarettes of different types, meets cigarette production requirements of different types, and does not need to set multiple control programs.
Description
Technical Field
The invention relates to the technical field of tobacco feeding machines of tobacco equipment/cigarette making machine sets, in particular to a roller type servo drive control method of a tobacco feeding machine of a cigarette making machine set.
Background
In the production of cigarettes, the tobacco feeder is one of the important components of a cigarette making machine set, and as shown in fig. 1, the tobacco feeder comprises a tobacco homogenizing plate 8, a needle roller 9, a tobacco popping windlass 10, an air separation device 11, an air suction chamber 12, a spiral stem returning mechanism 13, a tobacco throwing roller 14, a tobacco conveying belt 15 and the like.
The prior art CN103754596A discloses a cut tobacco conveying control device of a cut tobacco feeding machine of a cigarette making machine set, the prior art CN110558607A discloses a cut tobacco conveying control system and a cut tobacco conveying control method of a ZJ17 cigarette making machine, and the prior art CN211746901U discloses an independent servo drive device for a stretch yarn reel of a YJ17 rolling forming machine. Above-mentioned patent will throw the silk roller, play silk rumble, conveyer belt and/or needle roller and adopt independent servo drive controlling means, can improve the homogeneity that the pipe tobacco distributes in the transmission when increasing to correspond the position adjustment flexibility to reduce the empty head rate, can improve the homogeneity of a cigarette weight simultaneously, reduce the unqualified cigarette output rate of weight partially, improved the quality of product. However, the above prior art cannot use a uniform control program to realize constant flow rate supply of cut tobacco according to different types of cigarettes.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a roller type servo drive control method for a tobacco feeder of a cigarette making machine set, which can use a unified/one set of control program to realize constant flow supply of tobacco shreds according to different types of cigarettes, meet the production requirements of the different types of cigarettes and do not need to set different/multiple control programs.
In order to achieve the purpose, the invention adopts the technical scheme that:
a roller type servo drive control method for a tobacco feeder of a cigarette making machine set comprises a needle roller, a tobacco popping reel, a tobacco throwing roller, a tobacco conveying belt, a main PLC controller, a first frequency converter, a second frequency converter, a first servo motor, a second servo motor, a tobacco flow detection device and an industrial camera, wherein the main PLC controller is respectively connected with the first frequency converter, the second frequency converter, the tobacco flow detection device and the industrial camera which are electrically connected, the tobacco flow detection device is used for monitoring the conveying flow of tobacco, the industrial camera is used for monitoring the conveying density/dispersion degree of tobacco, the first frequency converter, the second frequency converter, the third frequency converter, the fourth frequency converter, the first servo motor, the second servo motor, the third servo motor, the tobacco throwing roller, the tobacco popping reel, the tobacco conveying belt and the needle roller, and is used for controlling the rotating speeds of the tobacco throwing roller, the tobacco popping reel, the tobacco conveying belt and the needle roller, and the control method is characterized in that: the method specifically comprises the following steps:
step (1): establishing the corresponding relation between cigarettes of different types and the flow of tobacco shreds in a control program: the method comprises the following steps that A type of cigarettes correspond to tobacco shred flow A, a control mode A is preset, B type of cigarettes correspond to tobacco shred flow B, a control mode B is preset, N type of cigarettes correspond to tobacco shred flow N, and a control mode N is preset; the cut tobacco flow is in relation of: a < B > < N;
step (2): when the tobacco shred supply flow is detected to be the tobacco shred flow G, detecting whether the cigarette production is consistent with the preset production or not within the preset time; if the tobacco shred flow G is consistent with the flow G, the cigarette making machine set is operated by maintaining the tobacco shred flow G;
and (3): if the actual cigarette production quantity is less than the preset production quantity, calling a preset control mode F which is less than the current tobacco shred flow by the main PLC; detecting whether the cigarette production is consistent with the preset production within the preset time; if the tobacco shred flow F is consistent with the flow F, the cigarette making unit is operated;
and (4): if the actual cigarette production quantity is not consistent with the preset production quantity, comparing the difference value between the actual cigarette production quantity and the preset production quantity, if the actual cigarette production quantity is smaller than the preset production quantity, calling a preset control mode E smaller than the current tobacco shred flow by the main PLC, continuously detecting whether the cigarette production quantity is consistent with the preset production quantity within the preset time until the cigarette production quantity is consistent with the preset production quantity in the current preset control mode, and maintaining the tobacco shred flow at the moment to operate the cigarette unit.
Further, step (5): detecting whether the cigarette production quantity is consistent with the preset production quantity within preset time, if not, comparing the difference value between the actual cigarette production quantity and the preset production quantity, and if the actual cigarette production quantity is larger than the preset production quantity, calling a preset control mode H larger than the current tobacco shred flow by the main PLC; detecting whether the cigarette production is consistent with the preset production within the preset time; if the tobacco shred flow rate is consistent with the flow rate, the tobacco shred flow rate H is maintained to operate the cigarette making unit;
and (6): if the actual cigarette production quantity is not consistent with the preset production quantity, comparing the difference value between the actual cigarette production quantity and the preset production quantity, if the actual cigarette production quantity is larger than the preset production quantity, calling a preset control mode I larger than the current tobacco shred flow by the main PLC, continuously detecting whether the cigarette production quantity is consistent with the preset production quantity within the preset time, until the cigarette production quantity is consistent with the preset production quantity in the current preset control mode, and maintaining the tobacco shred flow at the moment to operate the cigarette unit.
Furthermore, in the control mode A, B.
Further, the rotating speed of the first servo motor and the rotating speed of the third servo motor have a preset positive correlation corresponding relationship, and the rotating speed of the second servo motor and the rotating speed of the fourth servo motor have a preset positive correlation corresponding relationship.
The roller type servo drive control method of the tobacco feeding machine of the cigarette making machine set can use a unified/one set of control program according to different types of cigarettes to realize constant flow supply of tobacco shreds, meets the production requirements of the cigarettes of different types, realizes constant flow supply of the tobacco shreds, and does not need to set different/multiple control programs.
Drawings
FIG. 1 is a schematic view of a prior art tobacco feeder of ZJ17 cigarette making machine;
FIG. 2 is a schematic view of a roller type servo drive control device of a tobacco feeder of the cigarette making machine set according to the present invention;
FIG. 3 is a flow chart of a method for controlling a roller-type servo drive of a tobacco feeder of a cigarette making machine set according to the present invention.
In the figure: the tobacco shred processing device comprises a tobacco shred homogenizing plate 8, a needle roller 9, a tobacco shred bouncing reel 10, an air separation device 11, an air suction chamber 12, a spiral stem returning mechanism 13, a tobacco shred throwing roller 14 and a tobacco shred conveying belt 15.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 2-3, a roller type servo drive control method for a tobacco feeder of a cigarette making machine set, the control device comprises a needle roller 9, a tobacco throwing reel 10, a tobacco throwing roller 14, a tobacco conveyer belt 15, a main PLC controller, a first-fourth frequency converter, a first-fourth servo motor, a tobacco flow detection device and an industrial camera, the main PLC controller is respectively electrically connected with the first-fourth frequency converter, the tobacco flow detection device and the industrial camera, the tobacco flow detection device is used for monitoring the conveying flow of tobacco, the industrial camera is used for monitoring the conveying density/dispersion degree of tobacco, the first-fourth frequency converter is respectively connected with the first-fourth servo motor, the first-fourth servo motor is respectively connected with the tobacco throwing roller, the tobacco throwing reel, the tobacco conveyer belt and the needle roller for controlling the rotation speed of the first-fourth frequency converter, and the control method is characterized in that: the method specifically comprises the following steps:
(1) establishing the corresponding relation between cigarettes of different types and the flow of tobacco shreds in a control program: the method comprises the following steps that A type of cigarettes correspond to tobacco shred flow A, a control mode A is preset, B type of cigarettes correspond to tobacco shred flow B, a control mode B is preset, N type of cigarettes correspond to tobacco shred flow N, and a control mode N is preset; the cut tobacco flow is in relation of: a < B > < N;
(2) when the tobacco shred supply flow is detected to be the tobacco shred flow G, detecting whether the cigarette production is consistent with the preset production or not within the preset time; if the tobacco shred flow G is consistent with the flow G, the cigarette making machine set is operated by maintaining the tobacco shred flow G;
(3) if the actual cigarette production quantity is less than the preset production quantity, calling a preset control mode F which is less than the current tobacco shred flow by the main PLC; detecting whether the cigarette production is consistent with the preset production within the preset time; if the tobacco shred flow F is consistent with the flow F, the cigarette making unit is operated;
(4) if the actual cigarette production quantity is not consistent with the preset production quantity, comparing the difference value between the actual cigarette production quantity and the preset production quantity, if the actual cigarette production quantity is smaller than the preset production quantity, calling a preset control mode E smaller than the current tobacco shred flow by the main PLC, continuously detecting whether the cigarette production quantity is consistent with the preset production quantity within a preset time until the cigarette production quantity is consistent with the preset production quantity in the current preset control mode, and maintaining the tobacco shred flow at the moment to operate the cigarette unit;
(5) detecting whether the cigarette production quantity is consistent with the preset production quantity within preset time, if not, comparing the difference value between the actual cigarette production quantity and the preset production quantity, and if the actual cigarette production quantity is larger than the preset production quantity, calling a preset control mode H larger than the current tobacco shred flow by the main PLC; detecting whether the cigarette production is consistent with the preset production within the preset time; if the tobacco shred flow rate is consistent with the flow rate, the tobacco shred flow rate H is maintained to operate the cigarette making unit;
(6) if the actual cigarette production quantity is not consistent with the preset production quantity, comparing the difference value between the actual cigarette production quantity and the preset production quantity, if the actual cigarette production quantity is larger than the preset production quantity, calling a preset control mode I larger than the current tobacco shred flow by the main PLC, continuously detecting whether the cigarette production quantity is consistent with the preset production quantity within the preset time, until the cigarette production quantity is consistent with the preset production quantity in the current preset control mode, and maintaining the tobacco shred flow at the moment to operate the cigarette unit.
The parameters a, b.
Under the control mode A, B.
Furthermore, the rotating speed of the first servo motor and the rotating speed of the third servo motor have a preset positive correlation corresponding relation, and are increased and reduced simultaneously; the rotating speed of the second servo motor and the rotating speed of the fourth servo motor have a preset positive correlation corresponding relation.
The roller type servo drive control method of the tobacco feeding machine of the cigarette making machine set can use a unified/one set of control program according to different types of cigarettes to realize constant flow supply of tobacco shreds, meets the production requirements of the cigarettes of different types, realizes constant flow supply of the tobacco shreds, and does not need to set different/multiple control programs.
The above-described embodiments are illustrative of the present invention and not restrictive, it being understood that various changes, modifications, substitutions and alterations can be made herein without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.
Claims (4)
1. A roller type servo drive control method for a tobacco feeder of a cigarette making machine set comprises a needle roller, a tobacco popping reel, a tobacco throwing roller, a tobacco conveying belt, a main PLC controller, a first frequency converter, a second frequency converter, a first servo motor, a second servo motor, a tobacco flow detection device and an industrial camera, wherein the main PLC controller is respectively connected with the first frequency converter, the second frequency converter, the tobacco flow detection device and the industrial camera which are electrically connected, the tobacco flow detection device is used for monitoring the conveying flow of tobacco, the industrial camera is used for monitoring the conveying density/dispersion degree of tobacco, the first frequency converter, the second frequency converter, the third frequency converter, the fourth frequency converter, the first servo motor, the second servo motor, the third servo motor, the tobacco throwing roller, the tobacco popping reel, the tobacco conveying belt and the needle roller, and is used for controlling the rotating speeds of the tobacco throwing roller, the tobacco popping reel, the tobacco conveying belt and the needle roller, and the control method is characterized in that: the method specifically comprises the following steps:
step (1): establishing the corresponding relation between cigarettes of different types and the flow of tobacco shreds in a control program: the method comprises the following steps that A type of cigarettes correspond to tobacco shred flow A, a control mode A is preset, B type of cigarettes correspond to tobacco shred flow B, a control mode B is preset, N type of cigarettes correspond to tobacco shred flow N, and a control mode N is preset; the cut tobacco flow is in relation of: a < B > < N;
step (2): when the tobacco shred supply flow is detected to be the tobacco shred flow G, detecting whether the cigarette production is consistent with the preset production or not within the preset time; if the tobacco shred flow G is consistent with the flow G, the cigarette making machine set is operated by maintaining the tobacco shred flow G;
and (3): if the actual cigarette production quantity is less than the preset production quantity, calling a preset control mode F which is less than the current tobacco shred flow by the main PLC; detecting whether the cigarette production is consistent with the preset production within the preset time; if the tobacco shred flow F is consistent with the flow F, the cigarette making unit is operated;
and (4): and if the actual cigarette production quantity is not consistent with the preset production quantity, comparing the actual cigarette production quantity with a preset production quantity value, if the actual cigarette production quantity is less than the preset production quantity, calling a preset control mode E which is less than the current tobacco shred flow by the main PLC, continuously detecting whether the cigarette production quantity is consistent with the preset production quantity within a preset time, until the cigarette production quantity is consistent with the preset production quantity in the current preset control mode, and maintaining the tobacco shred flow at the moment to operate the cigarette unit.
2. The method of controlling a roller-type servo drive of a thread feeder of a cigarette making machine according to claim 1,
and (5): detecting whether the cigarette production is consistent with the preset production within the preset time, if not, comparing the actual cigarette production with the preset production, and if the actual cigarette production is greater than the preset production, calling a preset control mode H larger than the current tobacco flow by the main PLC; detecting whether the cigarette production is consistent with the preset production within the preset time; if the tobacco shred flow rate is consistent with the flow rate, the tobacco shred flow rate H is maintained to operate the cigarette making unit;
and (6): if the actual cigarette production quantity is not consistent with the preset production quantity, comparing the actual cigarette production quantity with a preset production quantity value, if the actual cigarette production quantity is larger than the preset production quantity, calling a preset control mode I larger than the current tobacco shred flow by the main PLC, continuously detecting whether the cigarette production quantity is consistent with the preset production quantity within the preset time, until the cigarette production quantity is consistent with the preset production quantity in the current preset control mode, and maintaining the tobacco shred flow at the moment to operate the cigarette unit.
3. The roller servo drive control method for the thread feeding machine of the cigarette making machine set according to claim 2, wherein in the control mode a, b.
4. The roller servo drive control method for the thread feeding machine of the cigarette making machine set according to claim 3, wherein the rotation speed of the first servo motor has a preset positive correlation corresponding relationship with the rotation speed of the third servo motor, and the rotation speed of the second servo motor has a preset positive correlation corresponding relationship with the rotation speed of the fourth servo motor.
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