Cigarette making machine leveling device motor protection device
By designing the motor protection device of the leveler of the cigarette machine, using the proximity switch and controller to detect the limit position of the sector gear, the problem of damage caused by long-term operation of the leveler motor at the limit position is solved, and effective motor protection and alarm reminder are achieved.
Patent Information
- Application Number
- CN202421837270.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-31
- Publication Date
- 2025-06-10
- Estimated Expiration
- 2034-07-31
AI Technical Summary
The long-term operation of the cigarette leveler motor in the extreme position is likely to cause damage to the motor, and it is difficult for the prior art to effectively avoid such damage.
A cigarette machine leveler motor protection device is designed, including a first proximity switch, a second proximity switch, a controller and an alarm. By detecting the limit position of the sector gear, the proximity switch is triggered to send a signal to the controller. When the controller receives a signal whose duration exceeds the set time, it sends a shutdown signal and activates an alarm.
It effectively avoids the leveler motor running in the limit position for a long time, prevents motor damage, and reminds staff to inspect and repair in a timely manner through alarm.
Smart Images
Figure CN222966838U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of tobacco manufacturing, and in particular relates to a motor protection device for a cigarette making machine leveler. Background Art
[0002] The ZJ17 cigarette making machine is an important machine in the cigarette packaging process. Its various process quality indicators, such as weight, empty head, circumference, etc., are all controlled by the leveler. Therefore, whether the leveler can operate normally and stably plays a vital role in the process quality of the cigarette making machine.
[0003] Since the cigarette making machine uses an AC leveler motor to drive the active gear to operate, the active gear meshes with the fan gear, and the fan gear then drives the leveler connecting rod to control the position of the leveler, it is not a closed-loop control solution. When a mechanical failure, electrical failure, or human operating error occurs, the leveler motor will continue to run after driving the leveler connecting rod to the limit position. If the leveler connecting rod runs at the limit position for a long time, it will cause damage to the leveler motor. Therefore, how to effectively prevent the leveler motor from being damaged has become a technical problem that technicians in this field urgently need to solve. Utility Model Content
[0004] The utility model aims to provide a cigarette making machine leveler motor protection device to solve the above technical problems in the prior art.
[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0006] A cigarette making machine leveler motor protection device comprises a first proximity switch, a second proximity switch, a controller and an alarm, wherein the first proximity switch is arranged above a sector gear, and the first proximity switch is used to detect whether the sector gear has reached an upper limit position; the second proximity switch is arranged below the sector gear, and the second proximity switch is used to detect whether the sector gear has reached a lower limit position; the first proximity switch and the second proximity switch are electrically connected to the input end of the controller, respectively, and the output end of the controller is electrically connected to the alarm; the controller is also electrically connected to a cigarette making machine control system.
[0007] Preferably, the first proximity switch is an inductive proximity switch.
[0008] Preferably, the second proximity switch is an inductive proximity switch.
[0009] Preferably, the first proximity switch is detachably connected to the top of the motor support housing via a first mounting bracket.
[0010] Preferably, the installation position of the first proximity switch on the first installation bracket is adjustable.
[0011] Preferably, the second proximity switch is detachably connected to the bottom of the motor support housing through a second mounting bracket, and the mounting position of the second proximity switch on the second mounting bracket is adjustable.
[0012] Preferably, the alarm is an alarm indicator light.
[0013] The beneficial effects of the present utility model are as follows:
[0014] For the motor protection device of the leveler of the cigarette making machine of the present utility model, when in use, when the sector gear moves to the upper limit position, it will trigger the first proximity switch to send a signal to the controller. When the sector gear moves to the lower limit position, it will trigger the second proximity switch to send a signal to the controller. When the triggering duration of the first proximity switch or the second proximity switch exceeds the set duration, and the controller receives the synchronous operation signal of the cigarette making machine through the cigarette making machine control system, the controller will control the alarm to start alarming to remind the staff to perform maintenance in time. At the same time, the controller will send a shutdown signal to the cigarette making machine control system to stop the cigarette making machine, thereby preventing the leveler motor from continuing to run, and further effectively avoiding damage to the leveler motor. Description of the Drawings
[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required in the embodiments, and will further elaborate on the specific embodiments of the present utility model in conjunction with the drawings, where
[0016] Figure 1 is a schematic diagram of the installation positions of the first proximity switch and the second proximity switch provided by the embodiment of the present utility model;
[0017] Figure 2 is a schematic diagram of the motor protection device of the leveler of the cigarette making machine provided by the embodiment of the present utility model.
[0018] Reference numerals in the drawings:
[0019] 11, first proximity switch, 12, second proximity switch; 21, controller;
[0020] 31, alarm; 41, cigarette making machine control system; 51, sector gear,
[0021] 52, driving gear, 53, leveler connecting rod, 54, motor support housing. Detailed Embodiments
[0022] In order to enable those skilled in the art to better understand the technical solutions of the present utility model, the following will further introduce the present solution in detail in conjunction with specific embodiments.
[0023] AsFigure 1 and Figure 2 As shown in Figure 2 , an embodiment of the present utility model provides a motor protection device for a cigarette making machine leveling device, which includes a first proximity switch 11, a second proximity switch 12, a controller 21, and an alarm 31. The first proximity switch 11 is arranged above the sector gear 51, and the first proximity switch 11 is used to detect whether the sector gear reaches the upper limit position; the second proximity switch 12 is arranged below the sector gear 51, and the second proximity switch 12 is used to detect whether the sector gear reaches the lower limit position; the first proximity switch and the second proximity switch are respectively electrically connected to the input end of the controller 21, and the output end of the controller 21 is electrically connected to the alarm 31; the controller 21 is also electrically connected to the cigarette making machine control system 41.
[0024] In the motor protection device for a cigarette making machine leveling device provided by the embodiment of the present utility model, when in use, when the sector gear 51 moves to the upper limit position, it will trigger the first proximity switch 11 to send a signal to the controller. When the sector gear moves to the lower limit position, it will trigger the second proximity switch 12 to send a signal to the controller 21. When the triggering duration of the first proximity switch or the second proximity switch exceeds the set duration, and the controller 21 receives the cigarette making machine synchronous operation signal through the cigarette making machine control system 41, the controller will control the alarm 31 to start alarming to remind the staff to perform maintenance in time. At the same time, the controller will send a shutdown signal to the cigarette making machine control system to stop the cigarette making machine, thereby preventing the leveling device motor from continuing to operate, and further effectively avoiding damage to the leveling device motor.
[0025] It can be understood that since the sector gear 51 drives the leveling device connecting rod 53 to move by using the lever principle, therefore, when the sector gear moves to the limit position, the leveling device connecting rod 53 also moves to the corresponding limit position. However, the limit position of the sector gear is negatively correlated with the limit position of the leveling device, that is, when the sector gear moves to the upper limit position, the leveling device connecting rod moves to the lower limit position, and when the sector gear moves to the lower limit position, the leveling device connecting rod moves to the upper limit position. In this way, when using the first proximity switch 11 and the second proximity switch 12 to detect whether the sector gear reaches the upper limit position and the lower limit position, it is equivalent to detecting whether the leveling device connecting rod reaches the lower limit position and the upper limit position.
[0026] Specifically, the first proximity switch 11 is an inductive proximity switch.
[0027] Preferably, the second proximity switch 12 is an inductive proximity switch.
[0028] Further, the first proximity switch 11 is detachably connected to the top of the motor support housing 54 through a first mounting bracket, so that the first proximity switch can be conveniently detached for replacement or maintenance.
[0029] Preferably, the mounting position of the first proximity switch 11 on the first mounting bracket is adjustable. With this solution, the mounting position of the first proximity switch on the first mounting bracket can be adjusted conveniently and flexibly, so that the first proximity switch can be close to or far from the sector gear. After the upper limit position of the sector gear changes, by adjusting the mounting position of the first proximity switch on the first mounting bracket, the detection requirements at this time can be better met, thus making the general applicability of the leveler motor protection device of the cigarette machine better.
[0030] Specifically, the second proximity switch 12 is detachably connected to the bottom of the motor support housing 54 through a second mounting bracket, and the mounting position of the second proximity switch 12 on the second mounting bracket is adjustable. With this solution, the mounting position of the second proximity switch on the second mounting bracket can be adjusted conveniently and flexibly, so that the second proximity switch can be close to or far from the sector gear. After the lower limit position of the sector gear changes, by adjusting the mounting position of the second proximity switch on the second mounting bracket, the detection requirements at this time can be better met, thus making the general applicability of the leveler motor protection device of the cigarette machine better.
[0031] Preferably, the vertical mounting positions of the first proximity switch and the second proximity switch on their respective mounting brackets are adjustable. In this way, by adjusting the vertical mounting positions of the first proximity switch and the second proximity switch, the two proximity switches can be close to or far from the sector gear, which can better meet the detection requirements for different upper limit positions and lower limit positions of the sector gear, and can also make the leveler motor protection device of the cigarette machine have better general applicability. Specifically, waist-shaped holes extending vertically are provided on both of the above two mounting brackets, so that the vertical mounting positions of the above two proximity switches can be conveniently adjusted through the waist-shaped holes.
[0032] Specifically, the alarm 31 is an alarm indicator light. With this solution, after receiving the alarm signal sent by the controller 21, the alarm indicator light will light up to remind the staff to perform maintenance operations.
[0033] It can be understood that when the trigger duration of the first proximity switch or the second proximity switch is greater than the set duration, but the controller does not receive the cigarette machine synchronous operation signal sent by the cigarette machine control system, the controller will standby without sending a signal.
[0034] Preferably, the controller 21 is a PLC controller, which can be a Siemens S7-1200 series programmable controller. Through the controller, the above-mentioned set duration can be flexibly set, and the specific value of the set duration can be set according to experience or data obtained during the equipment verification stage.
[0035] In an embodiment, a shutdown relay electrically connected to the controller can be set, and the shutdown relay is used to control the shutdown of the cigarette machine. With this solution, the controller sends a shutdown signal to the shutdown relay instead of the cigarette machine control system. After receiving the shutdown signal, the shutdown relay disconnects the power supply line of the cigarette machine, causing the cigarette machine to shut down.
[0036] During installation and commissioning, first stop the machine and disconnect the driving gear 52 driven by the leveling motor. Adjust the leveling link to the upper limit position, so that the sector gear will be in the lowest position, that is, its lower limit position. At this time, the second proximity switch 12 should just be able to detect the sector gear and be triggered to send a signal to the controller. Then adjust the leveling link to the lower limit position, so that the sector gear reaches the upper limit position. At this time, the first proximity switch 11 should just be able to detect the sector gear and be triggered to send a signal to the controller.
[0037] The utility model can effectively avoid faults such as damage to the leveling motor and the driving gear. The utility model has less modification to the original machine, and has a significant protection effect on the leveling motor, and has certain popularization value.
[0038] The above is only the preferred embodiment of the utility model. It should be noted that these embodiments are only used to illustrate the utility model and not to limit the scope of the utility model. Moreover, after reading the content of the utility model, those skilled in the relevant art can make various changes or modifications to the utility model, and these equivalent forms also fall within the scope defined by the appended claims of this application.
Claims
1. A cigarette making machine leveler motor protection device, characterized in that: It includes a first proximity switch, a second proximity switch, a controller, and an alarm. The first proximity switch is arranged above the sector gear and is used to detect whether the sector gear reaches the upper limit position. The second proximity switch is arranged below the sector gear, and is used to detect whether the sector gear reaches the lower limit position; the first proximity switch and the second proximity switch are electrically connected to the input end of the controller respectively, and the output end of the controller is electrically connected to the alarm; the controller is also electrically connected to the cigarette making machine control system.
2. The cigarette making machine leveler motor protection device according to claim 1, characterized in that: The first proximity switch is an inductive proximity switch.
3. The cigarette making machine leveler motor protection device according to claim 1, characterized in that: The second proximity switch is an inductive proximity switch.
4. The cigarette making machine leveler motor protection device according to claim 1, characterized in that: The first proximity switch is detachably connected to the top of the motor support housing through a first mounting bracket.
5. The cigarette making machine leveler motor protection device according to claim 4, characterized in that: The installation position of the first proximity switch on the first installation bracket is adjustable.
6. The cigarette making machine leveler motor protection device according to claim 1, characterized in that: The second proximity switch is detachably connected to the bottom of the motor support housing via a second mounting bracket, and the mounting position of the second proximity switch on the second mounting bracket is adjustable.
7. The cigarette making machine leveler motor protection device according to any one of claims 1 to 6, characterized in that: The alarm is an alarm indicator light.