Lens cleaning system for cigarette appearance detection camera

Abstract

The application discloses a cigarette appearance detection lens cleaning system of a cigarette making machine, which can clean the cigarette appearance detection lens without stopping the cigarette making machine through cooperation of a control device, a driving device, a blowing device, a detection device and a fixing support device. The driving device comprises a servo motor, a screw rod, a sliding block and a guide rail, and is used for power execution of the whole system; the blowing device comprises two blowing pipelines, and provides compressed air blowing for cleaning operation; the detection device comprises two proximity switches and a baffle, and is used for controlling forward and reverse rotation of the servo motor; the control device is used for controlling operation of the servo motor and air path selection; and the fixing support device comprises a support base, a support and a fixing frame, and is used for fixing and supporting various components. The application has simple structure, flexible action, can effectively clean the cigarette appearance detection lens of the cigarette making machine, reduces labor intensity and saves cost, and can significantly improve equipment production efficiency and detection intensity of cigarette appearance quality.

Description

Technical Field

[0001] The present invention relates to the field of cigarette manufacturing, and in particular to a cigarette appearance detection lens cleaning system for a cigarette making machine. Background Art

[0002] In the tobacco industry, cigarettes are a special mass consumer product. Consumers not only pay attention to the taste and taste of cigarettes, but also the quality of rolling is increasingly concerned.

[0003] With the continuous advancement of production technology and the increasing speed of machine production, manual inspection alone can no longer meet production needs. Intelligent and automated equipment are gradually becoming the main development direction of tobacco industry equipment. As a key detection method for cigarette appearance defects, cigarette appearance inspection for cigarette making machines has been installed and used on an increasing number of cigarette making machines.

[0004] The cigarette appearance inspection lens takes high-definition photos during the inspection process, and then processes the photo area to identify cigarettes with appearance quality defects and reject them. However, dust and smoke foam are inevitably generated during the cigarette production process, which often adhere to the lens surface and have an adverse effect on the effective rejection of the inspection. Sometimes, when rejecting quality-defective cigarettes, some cigarettes will block the lens, causing the cigarette appearance inspection to fail, and quality-defective cigarettes may not be rejected. Therefore, the industry urgently needs a cigarette machine cigarette appearance inspection lens cleaning solution that can effectively clean the lens without stopping the machine, thereby improving the efficiency of product quality appearance inspection. Summary of the Invention

[0005] In view of the above, the present invention aims to provide a cigarette appearance inspection lens cleaning system for a cigarette making machine to solve the above-mentioned technical problems.

[0006] The technical solution adopted in the present invention is as follows:

[0007] The present invention provides a cigarette appearance inspection lens cleaning system for a cigarette making machine, which comprises: a control device, a driving device, an air blowing device, a detection device and a fixing support device;

[0008] The driving device includes a servo motor driven by a control device, a screw, a slider, and a guide rail that slides with the slider; the blowing device includes a first blowing pipeline and a second blowing pipeline, the two ends of the two blowing pipelines are connected by two three-way hose joints, and a solenoid valve and a throttle valve are installed on each blowing pipeline, one three-way hose joint is connected to the blowing nozzle, and the other three-way hose joint is connected to the compressed air source;

[0009] A driving pulley is installed at the power shaft end of the servo motor, one end of the screw is connected to a driven pulley, the driving pulley and the driven pulley are connected via a belt transmission, and the screw is threadedly connected to the slider with an internal thread;

[0010] The detection device includes two proximity switches arranged opposite to each other and a baffle located between the two, and the baffle is fixedly connected to one side of the slider;

[0011] The fixed support device includes two oppositely arranged bearing support seats, a servo motor support frame for installing the servo motor, two oppositely arranged proximity switch support frames for fixing the proximity switch, and a blowing nozzle fixing seat connected to the upper end surface of the slider for positioning the blowing nozzle; wherein, one bearing support seat is connected to one end of the screw through a ball bearing and is assembled on the servo motor support frame, and the other bearing support seat is connected to the other end of the screw through a ball bearing.

[0012] In at least one possible implementation, the working end of the blowing device is installed obliquely on the blowing nozzle fixing seat, and the inclination angle makes the blowing nozzle parallel to the appearance inspection lens and at the same height.

[0013] In at least one possible implementation, the fixed support device also includes a fixing frame, which is used to install the servo motor support frame, the proximity switch support frame, and the bearing support seat, and a plurality of holes for connecting with the cigarette making machine wall panel are respectively provided on one end face of the fixing frame.

[0014] In at least one possible implementation manner, a plurality of reinforcing ribs are provided on the fixing frame.

[0015] In at least one possible implementation manner, a sliding stroke of the slider on the guide rail is greater than a width of the appearance inspection lens.

[0016] In at least one possible implementation manner, the control device includes a controller having logic control functions and motion control functions, and has a PROFINET bus interface.

[0017] In at least one possible implementation, the control device further includes an input module and an output module, wherein the input module collects a feedback signal from the proximity switch, and the output module is at least configured to send a control signal to the servo motor via a driver.

[0018] In at least one possible implementation manner, the control device further includes: a touch screen configured with a human-machine operation interface.

[0019] In at least one possible implementation manner, a filter, a pressure reducing valve, and an oil mist collector are installed at the air inlet end of the air blowing device.

[0020] Compared with the prior art, the main design concept of the present invention is that, through the coordination of a control device, a drive device, an air blowing device, a detection device, and a fixed support device, the cigarette appearance inspection lens can be cleaned without stopping the cigarette making machine. The control device may include a controller, a driver, an input / output module, and a human-machine interface, which are used to control the start and stop and forward and reverse rotation of the servo motor, adjust the speed of the servo motor, and select the blowing route; the drive device includes a servo motor, a screw, a slider, and a guide rail for powering the entire system; the air blowing device includes two air blowing pipes to provide compressed air for cleaning the appearance inspection lens; the detection device includes two proximity switches and a baffle to control the forward and reverse rotation of the servo motor; and the fixed support device includes a support, a bracket, a fixing frame, and a blowing nozzle fixing seat to fix and support the various components of the entire system. The device of the present invention has a simple structure and flexible operation, effectively ensuring that the cigarette appearance inspection lens of the cigarette making machine can be cleaned without stopping the machine, reducing labor intensity and saving costs, and can significantly improve the production efficiency of the equipment and the inspection of cigarette appearance quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to make the purpose, technical solutions and advantages of the present invention more clear, the present invention will be further described below with reference to the accompanying drawings, in which:

[0022] Figure 1 A schematic diagram of a cigarette appearance inspection lens cleaning system for a cigarette making machine provided by an embodiment of the present invention;

[0023] Figure 2 A top view of a cigarette appearance inspection lens cleaning system for a cigarette making machine according to an embodiment;

[0024] Figure 3 This is a front view of a cigarette appearance inspection lens cleaning system for a cigarette making machine provided according to an embodiment.

[0025] Description of reference numerals:

[0026] 1. Reinforcement rib, 2. Fixing bracket, 3. Screw, 4. Servo motor, 5. Servo motor support bracket, 6. Control device, 7. Guide rail, 8. Baffle, 9. Proximity switch, 10. Slider, 11. Bearing support seat, 12. Proximity switch support bracket, 13. Blowing nozzle fixing seat, 14. Three-way hose connector, 15 First blowing pipeline, 16. Second blowing pipeline, 17. Driving pulley, 18. Belt, 19. Driven pulley, 20. Blowing nozzle, 21. Hole. DETAILED DESCRIPTION

[0027] The following describes embodiments of the present invention in detail. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended only to explain the present invention and are not to be construed as limiting the present invention.

[0028] The present invention proposes an embodiment of a cigarette appearance inspection lens cleaning system for a cigarette making machine. Specifically, Figures 1 to 3 As shown, it includes: a control device 6, a driving device, an air blowing device, a detection device and a fixed support device. The driving device includes a servo motor 4 (via a driver) driven by the control device 6, a screw 3, a slider 10 and a guide rail 7 cooperating with the slider 10. Preferably, the sliding stroke of the slider 10 on the guide rail 7 is greater than the width of the appearance detection lens; the air blowing device includes a first air blowing pipeline 15 and a second air blowing pipeline 16, the two air blowing pipelines are connected by two three-way hose connectors 14, and a solenoid valve and a throttle valve are installed on each air blowing pipeline (the two solenoid valves are controlled by the control device 6 to realize the on and off of one or two air blowing pipelines; The two throttle valves can be set to different valve openings as needed, so that according to the different states of the cigarette appearance inspection lens, different air speeds can be selected to clean the lens). The confluence pipe of a three-way hose connector 14 is connected to the blowing nozzle 20 as the working end, and the confluence pipe of the other three-way hose connector is connected to the compressed air source as the air inlet end. Preferably, a pneumatic triplet (filter, pressure reducing valve, oil mist collector) can be installed at the air inlet end to purify dust, impurities and moisture in the compressed air, stabilize the outlet pressure, and prevent the appearance inspection lens from being contaminated again after cleaning.

[0029] A driving pulley 17 is installed at the power shaft end of the servo motor 4, and one end of the screw rod 3 is connected to a driven pulley 19. The driving pulley 17 and the driven pulley 19 are of the same model and are connected by a belt 18. The screw rod 3 is threadedly connected to the slider 10 with an internal thread, so that when the servo motor 4 drives the screw 3 to rotate, the slider 10 can make a linear motion on the guide rail 7;

[0030] The detection device includes two proximity switches 9 arranged opposite to each other and a baffle 8 located therebetween. The baffle 8 is fixedly connected to one side of the slider 10. When the baffle 8 moves along with the slider 10 and reaches the effective detection range of any of the proximity switches 9, it sends a digital signal to the control device 6 to switch the direction of the servo motor 4.

[0031] The fixed support device includes two oppositely disposed bearing support seats 11, a servo motor support frame 5 for mounting the servo motor 4, two oppositely disposed proximity switch support frames 12 for mounting the proximity switch 9, and a blowing nozzle fixing seat 13 connected (preferably welded) to the upper end surface of the slider 10 for positioning the blowing nozzle 20. Specifically, one bearing support seat 11 is connected to one end of the screw rod 3 via a ball bearing and assembled to the servo motor support frame 5, and the other bearing support seat 11 is connected to the other end of the screw rod 3 via a ball bearing. More preferably, the fixed support device also includes a fixing frame 2, which is used to mount the servo motor support frame 5, the proximity switch support frame 12, and the bearing support seat 11. A plurality of holes 21 are respectively provided on the upper and lower ends of one end surface of the fixing frame 2, through which the system can be fixed to the wall panel of the cigarette making machine. In addition, based on this concept, a plurality of reinforcing ribs 1 are provided on the fixing frame 2 to ensure that the fixing frame 2 has sufficient rigidity.

[0032] In other embodiments of the present invention, the working end of the blowing pipe can be installed on the blowing nozzle fixing seat at an angle, and the inclination angle can be set to ensure that the aforementioned blowing nozzle 20 is parallel to the appearance inspection lens and is at the same height; in addition, a groove can be opened on the blowing nozzle fixing seat 13, and the blowing nozzle 20 can be firmly positioned with bolts and nuts.

[0033] Finally, it can be added that regarding the control device 6 , it includes a controller with logic control (PLC function) and motion control functions, and has a PROFINET bus interface, and can communicate via the PROFINET bus.

[0034] The control device 6 may also include an input module and an output module, wherein the input module collects status information of the proximity switch 9, and the output module is used to send a control signal to the servo motor through the aforementioned driver, so that it performs a specific action according to the set program.

[0035] More preferably, the control device 6 includes a touch screen equipped with a human-machine interface, and the human-machine interface is used to control the start and stop, steering, speed, and selection of the blowing route of the servo motor 4; for example, the human-machine interface is provided with a touch button. When the operator finds that the appearance of the cigarette is abnormal and needs to ensure that the lens is correct, the first blowing pipe 15 and / or the second blowing pipe 16 are opened through the touch button of the human-machine interface to work, and optionally, the knob can be manually twisted to adjust the motor speed to adjust the corresponding cleaning operation speed.

[0036] In summary, the main design concept of the present invention is that, through the cooperation of the control device, the drive device, the blowing device, the detection device, and the fixed support device, the cigarette appearance detection lens can be cleaned without stopping the cigarette making machine. The control device may include a controller, a driver, an input and output module, and a human-machine interface, which are used to control the start and stop and forward and reverse rotation of the servo motor, adjust the speed of the servo motor, and select the blowing route; the drive device includes a servo motor, a screw, a slider, and a guide rail for the power execution of the entire system; the blowing device includes two blowing pipes to provide compressed air for cleaning the appearance detection lens; the detection device includes two proximity switches and a baffle for controlling the forward and reverse rotation of the servo motor; the fixed support device includes a support, a bracket, a fixing frame, and a blowing nozzle fixing seat for fixed support of various components of the entire system. The device of the present invention has a simple structure and flexible operation, which effectively ensures that the cigarette appearance detection lens of the cigarette making machine can be cleaned without stopping the machine, reduces labor intensity and saves costs, and can significantly improve the production efficiency of the equipment and the detection strength of the appearance quality of cigarettes.

[0037] If the expressions expressing directions are mentioned in the embodiments of the present invention, they are relative concepts based on the embodiments. In addition, "at least one" refers to one or more, and "more" refers to two or more. "And / or" describes the association relationship of the associated objects, indicating that three relationships may exist. For example, A and / or B can represent the existence of A alone, the existence of A and B at the same time, and the existence of B alone. Among them, A and B can be singular or plural. The character " / " generally indicates that the previous and next associated objects are in an "or" relationship. "At least one of the following" and similar expressions refer to any combination of these items, including any combination of single or plural items. For example, at least one of a, b and c can represent: a, b, c, a and b, a and c, b and c or a, b and c, where a, b, c can be single or multiple.

[0038] The above describes in detail the structure, features and effects of the present invention based on the embodiments shown in the drawings, but the above is only a preferred embodiment of the present invention. It should be noted that the technical features involved in the above embodiments and their preferred modes can be reasonably combined and matched into a variety of equivalent schemes by those skilled in the art without departing from or changing the design ideas and technical effects of the present invention; therefore, the scope of implementation of the present invention is not limited to what is shown in the drawings. Any changes made in accordance with the concept of the present invention, or modifications to equivalent embodiments with equivalent changes, which still do not exceed the spirit covered by the description and drawings, should be within the scope of protection of the present invention.

Claims

1. A cigarette appearance inspection lens cleaning system for a cigarette making machine, characterized in that: include: Control device, driving device, blowing device, detection device and fixing support device; The driving device includes a servo motor driven by a control device, a screw, a slider, and a guide rail that slides with the slider; the blowing device includes a first blowing pipeline and a second blowing pipeline, the two ends of the two blowing pipelines are connected by two three-way hose joints, and a solenoid valve and a throttle valve are installed on each blowing pipeline, one three-way hose joint is connected to the blowing nozzle, and the other three-way hose joint is connected to the compressed air source; A driving pulley is installed at the power shaft end of the servo motor, one end of the screw is connected to a driven pulley, the driving pulley and the driven pulley are connected via a belt transmission, and the screw is threadedly connected to the slider with an internal thread; The detection device includes two proximity switches arranged opposite to each other and a baffle located between the two, and the baffle is fixedly connected to one side of the slider; The fixed support device includes two bearing support seats arranged opposite to each other, a servo motor support frame for mounting the servo motor, two proximity switch support frames arranged opposite to each other and used to fix the proximity switch, and a blowing nozzle fixing seat connected to the upper end surface of the slider for positioning the blowing nozzle; wherein, one bearing support seat is connected to one end of the screw through a ball bearing and is assembled on the servo motor support frame, and the other bearing support seat is connected to the other end of the screw through a ball bearing; The fixed support device also includes a fixing frame, which is used to install the servo motor support frame, the proximity switch support frame, and the bearing support seat, and a plurality of holes for connecting with the cigarette making machine wall panel are respectively provided on one end surface of the fixing frame.

2. The cigarette appearance inspection lens cleaning system for a cigarette making machine according to claim 1, characterized in that: The working end of the blowing device is installed obliquely on the blowing nozzle fixing seat, and the oblique angle makes the blowing nozzle parallel to the appearance detection lens and at the same height.

3. The cigarette appearance inspection lens cleaning system for a cigarette making machine according to claim 1, characterized in that: The fixing frame is provided with a plurality of reinforcing ribs.

4. The cigarette appearance inspection lens cleaning system for a cigarette making machine according to claim 1, characterized in that: The sliding stroke of the slider on the guide rail is greater than the width of the appearance inspection lens.

5. The cigarette appearance inspection lens cleaning system for a cigarette making machine according to claim 1, characterized in that: The control device comprises a controller with logic control function and motion control function, and has a PROFINET bus interface.

6. The cigarette appearance inspection lens cleaning system for a cigarette making machine according to claim 5, characterized in that: The control device further includes an input module and an output module, wherein the input module collects the feedback signal of the proximity switch, and the output module is at least used to send a control signal to the servo motor through a driver.

7. The cigarette appearance inspection lens cleaning system for a cigarette making machine according to claim 5, characterized in that: The control device also includes: a touch screen configured with a human-machine operation interface.

8. The cigarette appearance inspection lens cleaning system for a cigarette making machine according to any one of claims 1 to 7, characterized in that: A filter, a pressure reducing valve and an oil mist generator are installed at the air inlet end of the air blowing device.

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