A tobacco box purging device

Abstract

The utility model discloses a cut tobacco box purging device belongs to tobacco auxiliary machinery technical field. The device includes door shape device frame, gas storage mechanism, top purging mechanism, side purging mechanism and sensing control assembly. Device frame straddles the conveying line, and the top is equipped with adjustable air knife array, is used for removing cut tobacco box top dust deposit, and the middle part of both sides is equipped with the nozzle, and the directional purging of box body outer wall boss area is carried out. The gas source is connected to the filter through the gas storage tank, and the purging mechanism is supplied with air through the pulse valve. The cut tobacco box position is detected by the trigger sensor and stop sensor, and the purging operation is automatically started and stopped. The angle and height of air knife and nozzle are adjustable, and are suitable for different specifications cut tobacco box. The utility model realizes full automatic online cleaning, and the cleaning is efficient, energy -conserving and consumption -reducing, guarantees the stability of subsequent mechanical hand cover, and is suitable for tobacco automatic production line.

Description

Technical Field

[0001] This utility model relates to the field of tobacco auxiliary machinery technology, and in particular to a tobacco box blowing device. Background Technology

[0002] In the production of tobacco products, tobacco shreds, as the core raw material, are typically stored, transferred, and temporarily buffered in specialized tobacco shred boxes. With the continuous improvement of automation in the tobacco industry, the conveying, opening, packing, and empty box return processes of tobacco shred boxes on the production line have gradually become automated. During the automated flow of tobacco shred boxes, the cleanliness of the top and the raised areas on the middle of the outer wall directly affects the success rate of the robotic arm's gripping of the box lid. If dust or shredded tobacco adheres to the outer surface of the box, it can easily lead to poor sealing of the suction cups, causing gripping failure or positioning deviation, thus affecting the production cycle and equipment operational stability.

[0003] Currently, most tobacco companies still rely on manual methods for cleaning tobacco boxes, with operators using compressed air guns or cloths to clean the surface. This method is not only labor-intensive and inefficient, but also suffers from incomplete cleaning and inconsistent work standards, making it difficult to meet the needs of continuous and intelligent production. Furthermore, manual cleaning requires additional production time, increasing the risk of downtime and hindering overall line efficiency.

[0004] In summary, to facilitate the automatic circulation of tobacco boxes, improve cleaning efficiency and production automation, and reduce energy consumption and labor costs, there is an urgent need for an automatic purging device with a reasonable structure, flexible adjustment, and timely response. Utility Model Content

[0005] To address the aforementioned problems, this utility model provides a blowing device for automatically cleaning the outer surface of tobacco boxes during the conveying process. It is particularly suitable for efficiently removing residual dust from the top and middle protrusions of tobacco boxes during the tobacco storage and conveying process in cigarette factories, thereby ensuring the smooth operation of subsequent automated opening, handling, and other processes.

[0006] The technical solution adopted in this utility model is as follows: A tobacco box purging device includes a device frame, an air storage mechanism mounted on the device frame, a top purging mechanism mounted on the top of the device frame, and a side purging mechanism mounted on the middle of both sides of the device frame. The device frame is gate-shaped and is laid on the ground. The interior space of the gate allows the tobacco box and tobacco box conveying equipment to pass through. The gas storage mechanism is connected to the gas source, the top purging mechanism and the side purging mechanism through gas pipes. The top purging mechanism includes several air knives that can blow air to the top of the tobacco box. The side purging mechanism consists of two sets, each of which includes a nozzle that blows air to the protrusion in the middle of the outer wall of the tobacco box.

[0007] Furthermore, the device frame includes a top crossbeam and two columns. The tops of the two columns are fixedly connected to both ends of the top crossbeam to form a door-shaped device frame. An L-shaped auxiliary support rod is fixedly installed on one side of the two columns.

[0008] Furthermore, the top purging mechanism includes an air knife mounting bracket, which is fixedly installed on the top of the device frame; several air knives are arranged in a line, and each air knife is installed on the air knife mounting bracket at an adjustable angle via an air knife mounting seat. The air inlet of each air knife is connected to a gas distribution pipe installed on the top of the device frame via an air pipe, and the gas distribution pipe is connected to the air pipe of the gas storage mechanism.

[0009] Furthermore, the side of the air knife mounting bracket is L-shaped and is bolted to the top of the device frame; the air knife mounting bracket is provided with a waist-shaped hole through which the bolts pass, and all air knives can be adjusted in height by using the waist-shaped hole and the bolts.

[0010] Furthermore, the side blowing machine includes a mounting plate fixedly installed in the middle of both sides of the device frame, and the nozzle is mounted on the mounting plate with an adjustable angle via a nozzle seat; the air inlet of the nozzle is connected to the air storage mechanism via an air pipe.

[0011] Furthermore, the gas storage mechanism includes a gas storage tank fixedly installed on the device frame via a mounting base. A filter is connected to the tank body of the gas storage tank. The gas storage tank is connected to a gas source via a gas pipe connected to the filter. A pulse valve is installed at the gas outlet of the gas storage tank. The pulse valve is connected to a top purging mechanism and two sets of side purging mechanisms via a gas pipe.

[0012] Furthermore, trigger sensors and stop sensors are also installed on both sides of the device frame, and the trigger sensors and stop sensors are electrically connected to the pulse valve of the gas storage mechanism.

[0013] Compared with the prior art, the tobacco box blowing device provided by this utility model has the following significant advantages: 1. Achieve fully automated online cleaning and improve the level of production automation: This device, by setting a gate-shaped frame structure on the tobacco box conveying path and integrating top and side blowing mechanisms, along with trigger and stop sensors, can automatically detect the entry and passage status of the tobacco box and control the start and stop of the pulse valve to achieve an intelligent operation mode of "blowing when there is a box and stopping the gas when there is no box". It completely replaces manual cleaning and significantly improves the automation level and operational continuity of the production line.

[0014] 2. Comprehensive cleaning coverage effectively ensures the stability of subsequent processes: The device employs a coordinated cleaning design of "top air knife + side nozzles": the top air knife performs a large-area, uniform cleaning of the upper surface of the tobacco box, removing accumulated dust; the side nozzles precisely target the central protruding area on the outer wall of the box for concentrated cleaning. Simultaneous operation in both areas ensures thorough cleaning of critical areas, effectively preventing problems such as poor suction cup sealing and gripping failures caused by dust, thus improving the success rate of the opening process and the stability of equipment operation.

[0015] 3. Highly adjustable structure, adaptable to various sizes of tobacco boxes: This device features multi-dimensional adjustment capabilities: the air knife can be flexibly adjusted in angle and installation height through the air knife mounting base and waist-shaped hole structure to adapt to purging needs at different heights or tilt angles; the side nozzles can be precisely adjusted in air outlet angle through the adjustable connection of the nozzle seat on the mounting plate to ensure that the airflow is directly facing the protruding area; the overall door-shaped frame structure has a spacious interior, which is convenient for the passage and cleaning of tobacco boxes of different sizes, and has good versatility and expandability.

[0016] 4. The gas supply system is stable and energy-efficient, reducing energy consumption and maintenance costs: Equipped with an air tank and filter, the compressed air undergoes pressure stabilization, moisture removal, and dust removal, ensuring a clean and stable air supply and extending the service life of pneumatic components. Simultaneously, the air tank provides buffered air supply during peak instantaneous air demand, preventing system pressure fluctuations from affecting the purging effect. Combined with a pulse valve controlled by sensor signals, air is supplied only when the tobacco box passes through, eliminating wasted airflow and significantly reducing compressed air consumption, resulting in energy savings and environmental friendliness.

[0017] 5. Compact and reliable structure, easy installation and maintenance: The overall device is based on a portal frame, and all functional modules are integrated and installed on the frame. The layout is reasonable and the structure is compact, without taking up extra space. All adjustment mechanisms adopt a bolt + waist-shaped hole design, which can complete the angle and position adjustment without disassembly, making daily maintenance and parameter optimization convenient and efficient.

[0018] 6. Safe, stable, and highly compatible. Trigger and stop sensors are symmetrically arranged on both sides of the frame, with dual-point detection to ensure reliable signals and prevent false triggering or missed detection; the electrical and pneumatic systems are wired separately, ensuring safety and compatibility with mainstream tobacco production line automation control platforms.

[0019] In summary, the tobacco box cleaning device provided by this utility model not only solves the problems of high labor intensity and low efficiency of traditional manual cleaning, but also overcomes the defects of poor adjustability and incomplete cleaning of existing automatic cleaning equipment. It achieves efficient, precise, intelligent and energy-saving cleaning of tobacco box surfaces, and has good application prospects and promotion value. Attached Figure Description

[0020] Figure 1This is a front structural diagram of the tobacco box blowing device of this utility model; Figure 2 This is a side view of the tobacco box blowing device of this utility model; In the diagram, 1—device frame, 11—top beam, 12—column, 13—auxiliary support rod; 2—top purging mechanism, 21—air knife mounting bracket, 22—air knife, 23—air knife mounting seat, 24—gas distribution pipe; 3—side purging mechanism, 31—mounting plate, 32—nozzle, 33—nozzle seat; 4—gas storage mechanism, 41—gas storage tank, 42—filter, 43—pulse valve; 5—tobacco box, 6—conveying equipment, 7—trigger sensor, 8—stop sensor. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] To facilitate the automatic circulation of tobacco boxes, improve cleaning efficiency and production automation, and reduce energy consumption and labor costs, this embodiment provides a tobacco box cleaning device. This device can clean the outer surface of the tobacco box during the conveying process. It is suitable for the efficient removal of residual dust on the top and middle protrusions of the tobacco box in the tobacco storage and conveying process in cigarette factories, so as to ensure the smooth operation of subsequent automated opening, handling and other processes.

[0023] Specifically, such as Figure 1 and Figure 2 As shown, the tobacco box cleaning device mainly includes: a device frame 1, an air storage mechanism 4, a top cleaning mechanism 2, and a side cleaning mechanism 3. This device is installed across the workstation of the tobacco box conveyor line and is used to efficiently clean the top and the raised area on the middle of the outer wall of the tobacco box during automatic transport.

[0024] like Figure 1 and Figure 2 As shown, the device frame 1 has a gate-shaped structure, assembled from a top crossbeam 11 made of aluminum profile and two columns 12 made of aluminum profile, and is fixed to the ground foundation. The interior of the gate forms a passageway, allowing the tobacco box 5 and its conveying equipment 6 to pass smoothly. L-shaped auxiliary support rods 13 are installed on one side of each of the two columns 12 to enhance the overall structural rigidity and stability of the device frame 1. This device frame 1 serves as the main load-bearing structure of the entire device, and all other functional components are installed and positioned based on it.

[0025] like Figure 1 and Figure 2 As shown, the top purging mechanism 2 is installed on the top crossbeam 11 of the device frame 1, and includes: an air knife mounting bracket 21, an air distribution pipe 24, air knives 22, and an air knife mounting seat 23. The air knife mounting bracket 21 is L-shaped and is fixed to the top crossbeam 11 of the device frame 1 by bolts. It has a waist-shaped hole to allow the air knife mounting bracket 21 to be adjusted vertically. Multiple air knives 22 are arranged in a row, and each air knife 22 is mounted on the air knife mounting bracket 21 through an air knife mounting seat 23. The air knife mounting seat 23 is rotatably mounted on the air knife mounting bracket 21 through a damping shaft, so as to realize the adjustment of the air outlet angle of the air knife 22 from 0 to 90°. The air distribution pipe 24 is installed on the top crossbeam 11 of the device frame 1. The air inlet of each air knife 22 is connected to the air distribution pipe 24 through an air pipe. The air distribution pipe 24 is then connected to the air storage mechanism 4 through an air pipe to realize the air supply to each air knife 22. After the air knife 22 is ventilated, it sprays out a uniform high-speed airflow in a direction or at an angle to completely remove the smoke and dust from the top surface of the tobacco box 5.

[0026] like Figure 1 and Figure 2 As shown, two sets of side-blowing mechanisms 3 are symmetrically arranged and installed in the middle of the two columns 12 of the device frame 1, respectively. Each set of side-blowing mechanisms 3 includes a mounting plate 31, a nozzle seat 33, and a nozzle 32. The mounting plate 31 is fixed to the middle of the column 12, and the nozzle 32 is mounted on the mounting plate 31 through the nozzle seat 33. The nozzle seat 33 is rotatably mounted on the mounting plate 31 through a damping shaft. The nozzle seat 33 is provided with an arc-shaped hole, and the mounting plate 31 is provided with a limiting pin that passes through the arc-shaped hole. The spray angle of the nozzle 32 can be flexibly adjusted through the damping shaft, the arc-shaped hole, and the limiting pin to ensure that the airflow is accurately aligned with the protruding area in the middle of the outer wall of the tobacco box 5. The air inlet of the nozzle 32 is connected to the gas storage mechanism 4 through an air pipe to achieve gas supply.

[0027] like Figure 1 and Figure 2 As shown, the gas storage mechanism 4 includes a gas storage tank 41, a mounting base, a filter 42, and a pulse valve 43. The gas storage tank 41 is vertically fixed to the side of the column 12 of the device frame 1 via the mounting base. Its air inlet is connected to an external gas source via the filter 42 to store and stabilize the gas supply pressure. At the same time, the filter 42 removes moisture and impurities from the air to ensure the cleanliness of the gas source. The gas outlet of the gas storage tank 41 is equipped with a pulse valve 43 to control the flow of air. The pulse valve 43 is connected to the gas distribution pipe 24 of the top purging mechanism 2 and the nozzles 32 of the two sets of side purging mechanisms 3 via air pipes.

[0028] The working process of the tobacco box purging device is as follows: The tobacco box 5 enters the purging area along the conveyor line. At this time, the pulse valve 43 of the air storage mechanism 4 is manually opened. Compressed air, after being stabilized and purified by the air storage tank 41, is delivered to the air knife 22 and the nozzle 32. The air knife 22 installed on the top purges the top of the tobacco box 5, while the nozzles 32 installed on both sides simultaneously spray air to clean the protruding area in the middle of the outer wall of the tobacco box 5. After the box leaves, the pulse valve 43 of the air storage mechanism 4 is closed, the air supply stops, and one automatic purging cycle is completed.

[0029] Furthermore, as a preferred technical solution in this embodiment, to increase the intelligence level of the tobacco box blowing device, this embodiment also includes a sensing and control device. For example... Figure 1 and Figure 2 As shown, in this embodiment, trigger sensors 7 and stop sensors 8 are symmetrically installed on the columns 12 on both sides of the device frame 1. The trigger sensors 7 and stop sensors 8 are electrically connected to the pulse valve 43 of the gas storage mechanism 4. When the tobacco box 5 is conveyed on the conveyor line, when the trigger sensor 7 detects the tobacco box 5, the trigger sensor 7 sends a start signal to the pulse valve 43 of the gas storage mechanism 4; when the box has completely passed through, the stop sensor 8 sends a stop signal to the pulse valve 43 of the gas storage mechanism 4, realizing on-demand purging and avoiding gas source waste.

[0030] It should be noted that in this embodiment, the air knife 22, nozzle 32, air tank 41, filter 42, pulse valve 43, trigger sensor 7, and stop sensor 8 mentioned are all commercially available finished equipment. For example, the AIRKNIFE AWK series air knife manufactured by SMC Corporation can be used, with an effective purging length of 300mm, made of stainless steel, suitable for compressed air purging, and featuring uniform air output, low noise, and corrosion resistance; the Super Air Nozzle series nozzle manufactured by Exair Corporation can be used, which has the advantages of high impact force and low noise; the HBC series vertical air tank manufactured by Hanbell can be used, with a volume of 50L~100L, a working pressure of 1.0MPa, and equipped with a drain valve and pressure gauge interface; the AC series air filter manufactured by SMC Corporation can be used, with an automatic drainage function, effectively removing moisture, oil mist, and particulate impurities from compressed air; the pulse valve can be the MHJ series solenoid valve manufactured by Festo, which supports PLC remote control and has a fast response speed; the trigger sensor and stop sensor are the E3Z series photoelectric sensors manufactured by OMRON, which reliably detect the position of the tobacco box. The above-mentioned equipment are all standard parts widely used in the industrial field, with unified installation interfaces, such as G thread, NPT thread, quick-connect couplings, etc., which facilitates system integration and maintenance replacement. In practical applications, alternative products with equivalent functions can be selected according to the on-site air source parameters, purging requirements and budget.

[0031] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A tobacco box blowing device, characterized in that: The tobacco box purging device includes a device frame, a gas storage mechanism installed on the device frame, a top purging mechanism installed on the top of the device frame, and a side purging mechanism installed in the middle of both sides of the device frame. The device frame is gate-shaped and is laid on the ground. The interior space of the gate allows the tobacco box and tobacco box conveying equipment to pass through. The gas storage mechanism is connected to the gas source, the top purging mechanism and the side purging mechanism through gas pipes. The top purging mechanism includes several air knives that can blow air to the top of the tobacco box. The side purging mechanism consists of two sets, each of which includes a nozzle that blows air to the protrusion in the middle of the outer wall of the tobacco box.

2. The tobacco box blowing device according to claim 1, characterized in that: The device frame includes a top crossbeam and two columns. The tops of the two columns are fixedly connected to both ends of the top crossbeam to form a door-shaped device frame. An L-shaped auxiliary support rod is fixedly installed on one side of the two columns.

3. The tobacco box blowing device according to claim 1, characterized in that: The top purging mechanism includes an air knife mounting bracket, which is fixedly installed on the top of the device frame; several air knives are arranged in a line, and each air knife is installed on the air knife mounting bracket at an adjustable angle via an air knife mounting seat. The air inlet of each air knife is connected to a gas distribution pipe installed on the top of the device frame via an air pipe, and the gas distribution pipe is connected to the air pipe of the gas storage mechanism.

4. The tobacco box blowing device according to claim 3, characterized in that: The air knife mounting bracket has an L-shaped side and is bolted to the top of the device frame. The air knife mounting bracket is provided with a waist-shaped hole through which the bolts pass, and the installation position height of all air knives can be adjusted by using the waist-shaped hole and the bolts.

5. The tobacco box blowing device according to claim 1, characterized in that: The side blowing mechanism includes a mounting plate fixedly installed in the middle of both sides of the device frame, and a nozzle is mounted on the mounting plate with an adjustable angle via a nozzle seat; the air inlet of the nozzle is connected to the air storage mechanism via an air pipe.

6. The tobacco box blowing device according to claim 1, characterized in that: The gas storage mechanism includes a gas storage tank fixedly mounted on the device frame via a mounting base. A filter is connected to the tank body of the gas storage tank. The gas storage tank is connected to a gas source through the filter. A pulse valve is installed at the gas outlet of the gas storage tank. The pulse valve is connected to a top purging mechanism and two sets of side purging mechanisms via an air pipe.

7. The tobacco box blowing device according to claim 6, characterized in that: Trigger sensors and stop sensors are also installed on both sides of the device frame, and the trigger sensors and stop sensors are electrically connected to the pulse valve of the gas storage mechanism.

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