CN117048904A - Medium cigarette packaging production line Baorun Bao cigarette pack inner frame paper conveying system and method - Google Patents
Medium cigarette packaging production line Baorun Bao cigarette pack inner frame paper conveying system and method Download PDFInfo
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- CN117048904A CN117048904A CN202310978653.6A CN202310978653A CN117048904A CN 117048904 A CN117048904 A CN 117048904A CN 202310978653 A CN202310978653 A CN 202310978653A CN 117048904 A CN117048904 A CN 117048904A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B19/00—Packaging rod-shaped or tubular articles susceptible to damage by abrasion or pressure, e.g. cigarettes, cigars, macaroni, spaghetti, drinking straws or welding electrodes
- B65B19/28—Control devices for cigarette or cigar packaging machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B19/00—Packaging rod-shaped or tubular articles susceptible to damage by abrasion or pressure, e.g. cigarettes, cigars, macaroni, spaghetti, drinking straws or welding electrodes
- B65B19/02—Packaging cigarettes
- B65B19/22—Wrapping the cigarettes; Packaging the cigarettes in containers formed by folding wrapping material around formers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
- B65B43/08—Forming three-dimensional containers from sheet material
- B65B43/10—Forming three-dimensional containers from sheet material by folding the material
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Wrapping Of Specific Fragile Articles (AREA)
Abstract
本发明公开了一种中支卷烟包装生产线保润保香烟包内框纸输送系统及方法，通过PLC与伺服控制器的电信号传输，可控制若干伺服电机执行既定的运动轨迹，从而满足保润保香烟包内框纸的吸取、输送、折叠、上胶、传递包装等工序要求。具体地，伺服电机运动轨迹可由原机编码器的相位信号进行按需设定，以满足有序地从纸料库取纸、第一输送带输送至折叠工序，接着由中间输送辊传递至第二输送带，并将折叠后的内框纸传递至模盒处。本发明提供了针对中支保润保香烟包生产中内框纸的特定输送方案，弥补了该生产线从折叠至模盒的输送措施空白，与以往保润保香烟包包装过程中，内框纸包装手工处理相比，显著提升了作业效率，并可以保证产品质量的稳定性。
The invention discloses a system and method for conveying inner frame paper of a medium-sized cigarette packaging production line for moisturizing and moisturizing cigarette packs. Through the electrical signal transmission between PLC and servo controller, several servo motors can be controlled to execute a predetermined motion trajectory, thereby satisfying the moisturizing and moisturizing requirements. Process requirements for absorbing, conveying, folding, gluing, and transferring packaging of the inner frame paper of cigarette packs. Specifically, the movement trajectory of the servo motor can be set as needed by the phase signal of the original machine encoder to meet the requirements of orderly picking up paper from the paper stock library, transporting it to the folding process by the first conveyor belt, and then transferring it to the third conveyor belt by the intermediate conveyor roller. Two conveyor belts are used to transfer the folded inner frame paper to the mold box. The present invention provides a specific transportation scheme for the inner frame paper in the production of medium-sized Baorun Bao cigarette packs, filling the gap in the transportation measures from folding to mold boxes in the production line. In contrast to the previous packaging process of Baorun Bao cigarette packs, the inner frame paper packaging Compared with manual processing, the operation efficiency is significantly improved and the stability of product quality can be ensured.
Description
Technical Field
The invention relates to the field of cigarette manufacturing, in particular to a moisture-preserving and cigarette pack inner frame paper conveying system and method for a middle cigarette packaging production line.
Background
Along with the diversification of market demands, the traditional three rows of 20 small cigarette packets with 7 multiplied by 6 multiplied by 7 can not meet the demands, and special-shaped packaging and moisture and fragrance preserving packaging become growing points of the current market demands. Meanwhile, the middle-count cigarettes and the slim cigarettes are popular with consumers.
The packing operation of the cigarettes with the moisturizing and fragrance-preserving small boxes comprises three working procedures: a first procedure, namely, externally packing inner frame paper on the finished cigarette; a second procedure, packaging a moisture-keeping and fragrance-keeping aluminum film outside the cigarette packet packaged with the inner frame paper; and thirdly, packaging the cigarettes with the packaged moisture-keeping and fragrance-keeping aluminum films into small boxes.
In the previous production process of the moisture-preserving and fragrance-preserving cigarette packet, the inner frame paper packaging, the moisture-preserving and fragrance-preserving aluminum film packaging and the moisture-preserving and fragrance-preserving cigarette packet packaging of the three procedures are all completed manually, and the production efficiency is low. The inner frame paper of the conventional cigarette production line is coiled and mounted on a packaging machine, the packaging machine cuts the inner frame paper into paper sheets with the same size along with the operation of the machine, and then the paper sheets are directly sent to the upper part of the trademark paper by a negative pressure air suction claw and are adhered to the cigarette packet by glue on the trademark paper, so that the packaging work of the inner frame paper is completed. This existing conventional approach has several problems:
(1) Because of the difference of production flow, the suction claw conveying device of the prior proposal is not suitable for a new cigarette packet production line with moisture and protection.
(2) The inner frame paper of the existing scheme is adhered with the label paper through the glue on the label paper; the inner frame paper of the new moisture-preserving cigarette packet needs to be folded and formed separately and wrapped on cigarettes, and then the cigarettes are sent to the next working procedure, while the traditional inner frame paper cutting mode cannot meet the new production requirement.
(3) The inner frame paper of the existing scheme is smaller, and can be directly clamped on the trademark paper in the packaging process of the cigarette packet, so that a separate folding procedure is not needed; the inner frame paper of the cigarette package is separately conveyed, and the cigarettes are wrapped after being folded and formed, so that the original conveying mode of the inner frame paper cannot meet the requirements.
Disclosure of Invention
In view of the above, the present invention aims to provide a system and a method for conveying inner frame paper of a moisture-preserving cigarette packet in a middle-count cigarette packaging production line, so as to solve the technical problems mentioned above.
The technical scheme adopted by the invention is as follows:
the invention provides a moisture-keeping and cigarette pack inner frame paper conveying system of a medium cigarette packing production line, which comprises the following components: the packaging machine unit comprises an encoder, a first servo controller, a second servo controller, a third servo controller and a fourth servo controller, wherein the encoder is electrically connected with a PLC controller, and the encoder is electrically connected with an original machine main shaft of the packaging machine unit;
the first servo controller, the second servo controller, the third servo controller and the fourth servo controller are respectively and correspondingly electrically connected with a first shaft servo motor, a second shaft servo motor, a third shaft servo motor and a fourth shaft servo motor;
the first shaft servo motor, the second shaft servo motor, the third shaft servo motor and the fourth shaft servo motor are respectively correspondingly driven to a first driving wheel, an inner frame paper suction device, an intermediate conveying roller and a second driving wheel;
the first driving wheel is matched with the first conveying belt, and the second driving wheel is matched with the second conveying belt;
an inner frame paper stock warehouse is arranged above one end of the first conveyor belt, and the inner frame paper suction device is arranged below the inner frame paper stock warehouse; the second conveyer belt is arranged at the other end of the first conveyer belt, and the middle conveyer roller is arranged between the first conveyer belt and the second conveyer belt and used for connecting and transferring folded inner frame paper between the two conveyer belts.
In at least one possible implementation manner, a pushing rake which follows the movement of the first conveyor belt and assists in pushing the inner frame paper to be conveyed is arranged on the first conveyor belt;
and a guide rail for providing a smooth conveying passage for conveying the inner frame paper is also arranged along the first conveying belt.
In at least one possible implementation manner, a blocking spring plate is further installed above the guide rail, and a blocking detection device in electrical signal connection with the PLC is arranged above the blocking spring plate.
In at least one possible implementation manner, a left inner frame paper existence detection device and a right inner frame paper existence detection device which are electrically connected with the PLC are respectively arranged on two sides of the inner frame paper stock warehouse;
and an inner frame paper material level detection optical fiber sensor which is electrically connected with the PLC through a first optical fiber amplifier is further arranged at the inner frame paper material warehouse.
In at least one possible implementation manner, the conveying system further comprises an inner frame paper left edge detection optical fiber sensor and an inner frame paper right edge detection optical fiber sensor which are arranged above the first conveying belt, and the inner frame paper left edge detection optical fiber sensor and the inner frame paper right edge detection optical fiber sensor are respectively connected with the PLC through a second optical fiber amplifier and a third optical fiber amplifier in an electric signal mode.
In at least one possible implementation manner, the conveying system further comprises a touch screen electrically connected with the PLC controller.
In at least one possible implementation manner, a mechanical mechanism with pulling and rotating functions is configured on the touch screen.
In at least one possible implementation, the delivery system further includes a reset button in electrical signal connection with the PLC controller.
In addition, the invention provides a method for conveying the inner frame paper of the moisture-preserving cigarette packets of the medium cigarette packaging production line, which comprises the following steps:
after the moistening and protecting cigarette packet inner frame paper packaging equipment is started, based on an equipment main shaft phase signal fed back by an encoder, a first shaft servo motor is controlled by a first servo controller to drive a first conveying belt to move, a second shaft servo motor is controlled by a second servo controller to drive an inner frame paper sucking device to move upwards, and an inner frame paper is sucked from an inner frame paper stock warehouse, transported downwards and placed on the first conveying belt;
after the first conveyor belt conveys the inner frame paper to the folding station to carry out glue spraying and folding operation, conveying the folded inner frame paper to the tail end of the first conveyor belt, controlling a third shaft servo motor to drive an intermediate conveying roller to rotate at a preset phase fed back by the encoder through a third servo controller, enabling the inner frame paper to be transferred from the first conveyor belt to the second conveyor belt, controlling a fourth shaft servo motor to drive the second conveyor belt to operate at the preset phase fed back by the encoder through a fourth servo controller, and conveying the inner frame paper to a conveying die box at the tail end of the second conveyor belt.
In at least one possible implementation manner, the conveying method further includes:
when a preset reset signal is monitored, judging whether a stop signal exists in the packaging equipment, whether detection of left and right inner frame paper exists or not identifies whether the inner frame paper, whether the material level of an inner frame paper stock warehouse meets a preset material level threshold value or not and whether inner frame paper conveying is blocked or not;
if any preset condition is not met, triggering the equipment to stop;
when all the preset conditions are met, each shaft of servo motor is controlled by each servo controller to execute reset rotation, and when the phase fed back by each shaft of servo motor is consistent with the phase detected by the encoder, each shaft of servo motor is triggered to stop rotating, so that reset operation is completed.
Compared with the prior art, the invention has the main design concept that the electric signal transmission of the PLC and the servo controller is realized through the industrial network configuration, and a plurality of servo motors can be controlled to execute the established movement track according to the actual requirement, thereby meeting the process requirements of sucking, conveying, folding, gluing, transferring, packaging and the like of the inner frame paper of the middle count moisture-retaining cigarette packet. Specifically, the motion track of the servo motor can be set according to the requirement according to the phase signal fed back by the original machine encoder, so that the paper is orderly taken from a paper stock warehouse, conveyed to a folding procedure by a first conveying belt, then connected and transferred to a second conveying belt by an intermediate conveying roller, and the folded moisture-preserving and cigarette package inner frame paper is transferred to a preset die box. The invention provides a specific conveying scheme aiming at the medium-count moisturizing and fragrance-preserving small boxes, fills up the blank of conveying measures from folding to the die boxes in the production line, remarkably improves the working efficiency and can ensure the stability of the product quality compared with the manual processing mode of the traditional moisturizing and fragrance-preserving small boxes.
Furthermore, detection mechanisms (which can be realized by mature optical fiber sensors with low cost and reliability) are arranged at the left and right edges of the inner frame paper, so that abnormal conditions such as unadsorbed inner frame paper, skew inner frame paper and the like can be effectively detected, and material consumption caused by poor inner frame paper conveying can be prevented.
Further, through the material level detection mechanism (the low-cost and reliable realization can be realized through a mature optical fiber sensor), the alarm signal of the material level of the inner frame paper can be timely sent out according to the material level condition of the inner frame paper, the operators are reminded of timely feeding, and the shutdown caused by the fact that the inner frame paper is used up is prevented.
Drawings
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described with reference to the accompanying drawings, in which:
fig. 1 is a schematic diagram of a moisture-preserving and cigarette pack inner frame paper conveying system of a medium cigarette packaging production line provided by an embodiment of the invention.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.
The invention provides an embodiment of a moisture-keeping and cigarette pack inner frame paper conveying system of a medium cigarette packing production line, which is specifically shown in fig. 1 and comprises the following steps: an encoder (not shown) of the original machine main shaft of the packaging machine set, which is electrically connected with the PLC controller 2, is used for providing a phase signal of the packaging machine main shaft, the signal can be used for setting the start-stop time of a servo motor in the subsequent system, and how to set the start-stop control time specifically can be flexibly set according to the actual production requirement, which is not the important point of the embodiment), a first servo controller 3, a second servo controller 4, a third servo controller 5 and a fourth servo controller 6;
the first servo controller 3, the second servo controller 4, the third servo controller 5 and the fourth servo controller 6 are respectively and correspondingly and electrically connected with a first shaft servo motor 7, a second shaft servo motor 8, a third shaft servo motor 9 and a fourth shaft servo motor 10;
the first shaft servo motor 7, the second shaft servo motor 8, the third shaft servo motor 9 and the fourth shaft servo motor 10 correspondingly drive a first driving wheel 25, an inner frame paper suction device 20, an intermediate conveying roller 27 and a second driving wheel 29 respectively;
the first driving wheel 25 is matched with the first conveying belt 26, the second driving wheel 29 is matched with the second conveying belt 30, an inner frame paper stock 17 is arranged above one end of the first conveying belt 26, and the inner frame paper suction device 20 is arranged below the inner frame paper stock 17; the second conveyor belt 30 is disposed at the other end of the first conveyor belt 26, and the intermediate conveyor roller 27 is disposed between the first conveyor belt 26 and the second conveyor belt 30, and is used for transferring the folded inner frame paper between the two conveyor belts.
Further, a pushing rake 21 which follows the movement of the first conveyor belt 26 and assists in pushing the inner frame paper to be conveyed is mounted on the first conveyor belt 26. Based on this, a guide rail 22 for providing a smooth and stable conveyance path for the inner frame paper conveyance is also installed along the first conveyance belt 26. The rake 21 cooperates with the guide rail 22 to achieve a stable conveying process from the magazine to the end of the first conveyor.
Therefore, a blocking spring piece 23 is further installed above the guide rail 22, a blocking detection device 24 electrically connected with the PLC controller 2 is arranged above the blocking spring piece 23, when the inner frame paper is conveyed to be blocked actually, the spring piece can be triggered to spring up, and at the moment, the blocking detection device 24 detects the spring piece and can feed back a corresponding level signal to the PLC.
In addition, the two sides of the inner frame paper stock 17 are respectively provided with a left inner frame paper existence detection device 14 and a right inner frame paper existence detection device 15 which are electrically connected with the PLC 2, and the left inner frame paper existence detection device and the right inner frame paper existence detection device are used for reliably judging whether paper to be processed exists in the stock, so that an inner frame paper material level detection optical fiber sensor 16 which is electrically connected with the PLC 2 through a first optical fiber amplifier 11 can be arranged at the inner frame paper stock 17, and the function of the inner frame paper material level detection optical fiber sensor is to alarm the low material level of the paper stock.
Further, the conveying system further comprises an inner frame paper left edge detecting optical fiber sensor 18 and an inner frame paper right edge detecting optical fiber sensor 19 disposed above the first conveying belt 26, wherein the inner frame paper left edge detecting optical fiber sensor 18 and the inner frame paper right edge detecting optical fiber sensor 19 are respectively electrically connected with the PLC controller 2 through the second optical fiber amplifier 12 and the third optical fiber amplifier 13, and are used for performing inner frame paper gesture detection before conveying to the folding station, so that the inner frame paper left edge detecting optical fiber sensor 18 and the inner frame paper right edge detecting optical fiber sensor 19 can be preferably disposed in front of a blockage detection assembly formed by the blockage elastic sheet 23 and the blockage detection device 24 (refer to the illustration).
In combination with the above embodiments, specifically, in order to set the operation parameters conveniently, the system may further configure a touch screen 1 (upper computer) electrically connected to the PLC controller 2, which may be installed on the upper part of the frame of the inner frame paper packaging machine, and preferably implement manual pulling rotation through a mechanical mechanism, so as to facilitate operation. The PLC controller 2 (lower computer) may be installed inside an electric cabinet of the inner frame paper packaging machine, and a source power source such as a three-phase AC380V power source, a single-phase AC220V power source, a DC24V power source is provided inside the electric cabinet, for example, the source power source draws the DC24V power source to provide working voltages for the four servo controllers, the touch screen 1 and the PLC controller 2, and the three-phase AC380V power source of the source machine may be used as a power source of the servo controller. In addition, a reset button can be preferably provided in the electrical cabinet, which is electrically connected to the PLC controller 2 of the present conveying system.
The first servo controller 3, the second servo controller 4, the third servo controller 5 and the fourth servo controller 6 can be installed in an electric cabinet and are kept in communication with the PLC controller 2 through an industrial network cable. The lower ends of the four servo controllers are respectively connected with a first shaft servo motor 7, a second shaft servo motor 8, a third shaft servo motor 9 and a fourth shaft servo motor 10, and the movements of the four motors are correspondingly controlled.
The first, second and third optical fiber amplifiers 11, 12 and 13 are mounted on the device, and are used for converting the optical signals received by the optical fiber sensor into electrical signals and transmitting the electrical signals to the PLC controller 2, preferably, three of the amplifiers are provided with keys for adjusting the photosensitivity.
The inner frame paper stock warehouse 17 can be installed on the main frame machine body and is used for stacking inner frame paper required by production, and the left side and the right side of the bottom of the paper stock warehouse are provided with stop blocks for supporting the inner frame paper. The left side inner frame paper existence detection device 14 and the right side inner frame paper existence detection device 15 (various sensing hardware such as an optical fiber probe can be adopted) are respectively arranged at two sides of the inner frame paper stock 17 and are used for detecting whether the inner frame paper stock level meets the equipment starting requirement; and the inner frame paper material level detection optical fiber sensor 16 arranged on the material warehouse is used for monitoring the inner frame paper material level height, and the optical fiber sensor triggers a low material level reminding signal.
The inner frame paper left edge detecting optical fiber sensor 18 and the inner frame paper right edge detecting optical fiber sensor 19 are installed at the upper part of the conveying channel (first conveying belt), and can detect whether the inner frame paper exists on the first conveying belt or not at a fixed phase.
The encoder is arranged on a main transmission shaft of a main machine (namely a main shaft of the original machine) of the inner frame paper packaging machine, and is used for collecting the rotation angle phase of the main shaft in real time and feeding back the phase to the PLC 2.
The inner frame paper suction device 20 is mounted on the apparatus, is driven by the second shaft servo motor 8, reciprocates up and down at a fixed position, sucks the inner frame paper from the warehouse through at least two groups of paper suction trays, and places the inner frame paper on the first conveyor belt 26. The phase mentioned above is the special term of the equipment, and every time the equipment produces a packet of cigarettes, the main shaft rotates for one circle, the angle of the circle is 360 degrees, and the angle of the main shaft is called the phase. For example, when the spindle is rotated 180 degrees, the encoder feedback angle is 180 degrees, and the phase at this time is 180 degrees.
The pushing rake 21 is fixed on the first conveying belt 26, rotates anticlockwise along with the first conveying belt 26, and assists in conveying the inner frame paper from right to left. The guide rail 22 is mounted on the apparatus for providing a smooth and stable transport path for the inner frame paper transport. The blocking spring piece 23 is installed above the guide rail, when the inner frame paper is conveyed and actually blocked, the blocking spring piece is triggered to spring up, at this time, the blocking detection device 24 detects the spring piece and sends a signal to the PLC controller, and the equipment can be triggered to stop by the blocking spring piece.
The first driving wheel 25 is fixed on the equipment and is rotated anticlockwise by the first shaft servo motor 7, so that the first conveying belt 26 is driven to rotate anticlockwise. The middle conveying roller 27 is arranged on the equipment and driven by the third shaft servo motor 9 and is used for conveying the inner frame paper from the first conveying belt 26 to a position between the sliding table 28 and the second conveying belt 30, the second driving wheel 29 is driven by the fourth shaft servo motor 10 to rotate clockwise, and the inner frame paper is conveyed to the longitudinal conveying die box at the tail end by matching with the sliding table 28.
It should be noted that, the purpose of the foregoing embodiment of the present invention is to provide a hardware architecture of a conveying system dedicated for preserving the inner frame paper of the cigarette packet, which is matched with a packaging machine set to implement the paper receiving in a warehouse, conveying to a predetermined folding station for performing a specific folding operation (the folding station of the machine set is not the focus of the present invention, not specifically shown, and may be actually configured at a position in the figure before reaching the jam detecting component), and conveying the folded inner frame paper to a preset mold box.
It can be seen that, when the above hardware system is actually applied, the corresponding conveying control manner can be configured according to the requirement of on-site production, and the following only corresponds to the exemplary description of the above system hardware, and provides a schematic description of the following conveying method:
after the equipment (namely, the moisture-preserving cigarette packet inner frame paper packaging unit) is started, the first conveying belt moves anticlockwise from right to left under the transmission of the first shaft servo motor. The main shaft of the original machine rotates for 360 degrees every time, and correspondingly conveys one piece of inner frame paper. And each time one piece of inner frame paper is conveyed, the first conveying belt can stay for a set time at a fixed position, and in the time of the first conveying belt staying, the second shaft servo motor drives the inner frame paper sucking device to suck one piece of inner frame paper upwards from the warehouse, and then the inner frame paper is conveyed downwards and put into a clamping groove of the pushing rake.
In the production debugging process, the offset of the second shaft servo motor can be preferably changed to control the advance or the delay of the inner frame paper suction action, so that the suction device is prevented from colliding with the first conveying belt.
After the sucking action is completed, the first conveyer belt continues to move to convey the inner frame paper from right to left. When the inner frame paper reaches the stations of the left edge detection optical fiber and the right edge detection optical fiber, the detection optical fiber transmits corresponding optical signals to the second optical fiber amplifier and the third optical fiber amplifier, the optical fiber amplifier converts the optical signals into electric signals and transmits the electric signals to the input end of the PLC, when the stations are free of inner frame paper or the inner frame paper is askew, if one side of the paper is not detected, an inner frame paper losing signal or an inner frame paper askew signal is output to the PLC, and the host machine of the equipment is triggered to stop without carrying out subsequent folding procedures.
Normally, at a later station of the inner frame paper presence detection, an inner frame paper folding device (not shown) of the host machine sprays glue on the inner frame paper and folds the inner frame paper into a specific shape along the middle crease. After the folding operation is finished, the first conveyor belt continues to convey the inner frame paper to move leftwards, if the inner frame paper is blocked on the conveying channel at the moment, the blocking elastic sheet is lifted upwards passively and detected by the blocking, a signal is output to the PLC to trigger the equipment to stop, and information of 'inner frame paper blocking' is preferably displayed on the interface of the touch screen.
And under normal conditions, when the inner frame paper is conveyed to the tail end of the first conveying belt, the middle conveying roller is driven by the third shaft motor to rotate at the fixed phase, the inner frame paper is conveyed between the sliding table and the second conveying belt, and the second conveying belt is driven by the fourth shaft servo motor at the set phase, so that the inner frame paper is conveyed to the longitudinal conveying die box at the tail end.
Based on this concept, regarding the aforementioned phase setting manner of the spindle encoder as the trigger timing of the motion start-stop control of the present system, the following non-limiting examples are provided herein for implementation reference:
when the PLC receives the starting signal, the phase of the encoder can be read in real time, and when the phase of the encoder is equal to the starting action phase of the first shaft servo motor, the first shaft servo motor starts to rotate. The rotation track of the first shaft servo motor is preferably finished through an electronic cam, and the movement track of the second shaft servo motor, the third shaft servo motor and the fourth shaft servo motor can be finished through the electronic cam. The track design of the electronic cam can be set according to the requirements by referring to the control of the following third shaft servo motor:
the main shaft encoder rotates within the range of 0-80 degrees, and the third shaft servo motor is motionless;
the main shaft encoder rotates in the range of 80-120 degrees, and the third shaft servo motor rotates from 0 degree to 20 degrees;
the main shaft encoder rotates in a range of 120-160 degrees, and the third shaft servo motor rotates from 20 degrees to 150 degrees;
the main shaft encoder rotates 160-330 degrees, and the third shaft servo motor does not rotate;
the spindle encoder rotates 330-360 degrees, and the third shaft servo motor rotates from 150 degrees to 200 degrees.
Again, the description: when the main machine rotates for a circle, a packet of cigarettes is correspondingly produced, the corresponding angle is changed into 360 degrees, the servo motor rotates for the same stroke according to the preset track in the period, a single period of inner frame paper sucking and conveying actions is completed, then the track of the electronic cam can be cleared, and calculation is restarted in the next period.
According to the electronic cam, the electronic cam track can be changed by configuring the corresponding electronic cam table on the touch screen. The second, third and fourth shaft servo motors synchronously rotate along with the first shaft servo motor according to the established electronic cam track while the first shaft motor acts. The electronic cam track can be adjusted by changing the phase of the electronic cam table on the touch screen according to the requirement.
In combination with the foregoing description, setting parameters of offset can be reserved on the touch screen for each servo motor, and in the process of debugging and production, the offset can be changed to change the transmission phase of the electronic cams corresponding to the first shaft, the second shaft, the third shaft and the fourth shaft respectively in cooperation with the host. For example, the initial "offset" of the first shaft is 0, and according to the fourth shaft electronic cam design, the fourth shaft motor begins to rotate at a spindle phase of 80 degrees; for another example, if the "offset" is designed to be 30 degrees, when the spindle phase is 110 (80+30 degrees), the fourth spindle motor starts to rotate, and the same can be said when the method is implemented, and the details are not repeated here.
Finally, it may also be pointed out that the conveying method further comprises:
when a preset reset signal is monitored (a reset button is pressed), the PLC controller judges whether a stop signal exists in the packaging unit, whether left and right inner frame paper detection identifies inner frame paper, whether the material level of an inner frame paper stock warehouse meets a preset material level threshold value or not and whether inner frame paper conveying is blocked or not; if any of the above conditions is not satisfied, signals such as "external stop", "short of inner frame paper", "inner frame conveying jam" and the like are output on the touch screen correspondingly and trigger stop, respectively. On the contrary, when the conditions are met, the first servo controller 3, the second servo controller 4, the third servo controller 5 and the fourth servo controller 6 are triggered to output electric signals to control the first shaft, the second shaft, the third shaft and the fourth shaft to start resetting rotation, and when the phases fed back by the servo motors are consistent with the phases detected by the encoder, the servo motors are triggered to stop rotating to complete resetting operation, and at the moment, normal starting can be executed to carry out packaging conveying.
In summary, the main design concept of the invention is that the electrical signal transmission between the PLC and the servo controller is realized through the industrial network configuration, and a plurality of servo motors can be controlled to execute a given motion track according to actual needs, so that the process requirements of sucking, conveying, folding, sizing, transferring and packaging the inner frame paper of the middle count moisture-retaining cigarette packet are met. Specifically, the motion track of the servo motor can be set according to the requirement according to the phase signal fed back by the original machine encoder, so that the paper is orderly taken from a paper stock warehouse, conveyed to a folding procedure by a first conveying belt, then connected and transferred to a second conveying belt by an intermediate conveying roller, and the folded moisture-preserving and cigarette package inner frame paper is transferred to a preset die box. The invention provides a specific conveying scheme aiming at the medium-count moisturizing and fragrance-preserving small boxes, fills up the blank of conveying measures from folding to the die boxes in the production line, remarkably improves the working efficiency and can ensure the stability of the product quality compared with the manual processing mode of the traditional moisturizing and fragrance-preserving small boxes.
In the embodiments of the present invention, "at least one" means one or more, and "a plurality" means two or more. "and/or", describes an association relation of association objects, and indicates that there may be three kinds of relations, for example, a and/or B, and may indicate that a alone exists, a and B together, and B alone exists. Wherein A, B may be singular or plural. The character "/" generally indicates that the context-dependent object is an "or" relationship. "at least one of the following" and the like means any combination of these items, including any combination of single or plural items. For example, at least one of a, b and c may represent: a, b, c, a and b, a and c, b and c or a and b and c, wherein a, b and c can be single or multiple.
The construction, features and effects of the present invention are described in detail according to the embodiments shown in the drawings, but the above is only a preferred embodiment of the present invention, and it should be understood that the technical features of the above embodiment and the preferred mode thereof can be reasonably combined and matched into various equivalent schemes by those skilled in the art without departing from or changing the design concept and technical effects of the present invention; therefore, the invention is not limited to the embodiments shown in the drawings, but is intended to be within the scope of the invention as long as changes made in the concept of the invention or modifications to the equivalent embodiments do not depart from the spirit of the invention as covered by the specification and drawings.
Claims (10)
1. The utility model provides a well cigarette packaging production line protects moist cigarette package inside casing paper conveying system which characterized in that includes: the packaging machine unit comprises an encoder, a first servo controller, a second servo controller, a third servo controller and a fourth servo controller, wherein the encoder is electrically connected with a PLC controller, and the encoder is electrically connected with an original machine main shaft of the packaging machine unit;
the first servo controller, the second servo controller, the third servo controller and the fourth servo controller are respectively and correspondingly electrically connected with a first shaft servo motor, a second shaft servo motor, a third shaft servo motor and a fourth shaft servo motor;
the first shaft servo motor, the second shaft servo motor, the third shaft servo motor and the fourth shaft servo motor are respectively correspondingly driven to a first driving wheel, an inner frame paper suction device, an intermediate conveying roller and a second driving wheel;
the first driving wheel is matched with the first conveying belt, and the second driving wheel is matched with the second conveying belt;
an inner frame paper stock warehouse is arranged above one end of the first conveyor belt, and the inner frame paper suction device is arranged below the inner frame paper stock warehouse; the second conveyer belt is arranged at the other end of the first conveyer belt, and the middle conveyer roller is arranged between the first conveyer belt and the second conveyer belt and used for connecting and transferring folded inner frame paper between the two conveyer belts.
2. The system for conveying the inner frame paper of the cigarettes in the moisture-preserving cigarette package production line according to claim 1, wherein a pushing rake which moves along with the first conveying belt and assists in pushing the inner frame paper to convey is arranged on the first conveying belt;
and a guide rail for providing a smooth conveying passage for conveying the inner frame paper is also arranged along the first conveying belt.
3. The moisture-preserving cigarette packet inner frame paper conveying system of the middle cigarette packaging production line according to claim 2, wherein a blocking spring piece is further installed above the guide rail, and a blocking detection device in electrical signal connection with the PLC is arranged above the blocking spring piece.
4. The system for conveying the inner frame paper of the moist-keeping cigarettes in the middle cigarette packaging production line according to claim 1, wherein a left inner frame paper existence detection device and a right inner frame paper existence detection device which are electrically connected with the PLC are respectively arranged on two sides of the inner frame paper stock;
and an inner frame paper material level detection optical fiber sensor which is electrically connected with the PLC through a first optical fiber amplifier is further arranged at the inner frame paper material warehouse.
5. The moisture-preserving cigarette packet inner frame paper conveying system of claim 1, further comprising an inner frame paper left edge detection optical fiber sensor and an inner frame paper right edge detection optical fiber sensor arranged above the first conveying belt, wherein the inner frame paper left edge detection optical fiber sensor and the inner frame paper right edge detection optical fiber sensor are respectively connected with the PLC controller through a second optical fiber amplifier and a third optical fiber amplifier in an electrical signal mode.
6. The moisture and cigarette pack inner frame paper conveying system of the medium cigarette packaging production line of claim 1, wherein the conveying system further comprises a touch screen in electrical signal connection with the PLC controller.
7. The moisture and cigarette pack inner frame paper conveying system of the medium cigarette packing production line of claim 6, wherein the touch screen is provided with a mechanical mechanism with pulling and rotating functions.
8. The moisture and cigarette pack inner frame paper conveying system of the medium cigarette packaging production line according to any one of claims 1 to 7, wherein the conveying system further comprises a reset button electrically connected with the PLC controller.
9. The method for conveying the inner frame paper of the cigarette packet for the moisture-keeping and the preservation of the cigarette packaging production line of the medium cigarettes is characterized by comprising the following steps of:
after the moistening and protecting cigarette packet inner frame paper packaging equipment is started, based on an equipment main shaft phase signal fed back by an encoder, a first shaft servo motor is controlled by a first servo controller to drive a first conveying belt to move, a second shaft servo motor is controlled by a second servo controller to drive an inner frame paper sucking device to move upwards, and an inner frame paper is sucked from an inner frame paper stock warehouse, transported downwards and placed on the first conveying belt;
after the first conveyor belt conveys the inner frame paper to the folding station to carry out glue spraying and folding operation, conveying the folded inner frame paper to the tail end of the first conveyor belt, controlling a third shaft servo motor to drive an intermediate conveying roller to rotate at a preset phase fed back by the encoder through a third servo controller, enabling the inner frame paper to be transferred from the first conveyor belt to the second conveyor belt, controlling a fourth shaft servo motor to drive the second conveyor belt to operate at the preset phase fed back by the encoder through a fourth servo controller, and conveying the inner frame paper to a conveying die box at the tail end of the second conveyor belt.
10. The method for transporting the inner frame paper of the moisture-preserving cigarette packets of the medium cigarette packaging production line according to claim 9, wherein the transporting method further comprises:
when a preset reset signal is monitored, judging whether a stop signal exists in the packaging equipment, whether detection of left and right inner frame paper exists or not identifies whether the inner frame paper, whether the material level of an inner frame paper stock warehouse meets a preset material level threshold value or not and whether inner frame paper conveying is blocked or not;
if any preset condition is not met, triggering the equipment to stop;
when all the preset conditions are met, each shaft of servo motor is controlled by each servo controller to execute reset rotation, and when the phase fed back by each shaft of servo motor is consistent with the phase detected by the encoder, each shaft of servo motor is triggered to stop rotating, so that reset operation is completed.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310978653.6A CN117048904A (en) | 2023-08-04 | 2023-08-04 | Medium cigarette packaging production line Baorun Bao cigarette pack inner frame paper conveying system and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310978653.6A CN117048904A (en) | 2023-08-04 | 2023-08-04 | Medium cigarette packaging production line Baorun Bao cigarette pack inner frame paper conveying system and method |
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| CN117048904A true CN117048904A (en) | 2023-11-14 |
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