A kind of observation window suitable for tobacco factory silk line hopper
Patent Information
- Application Number
- CN202522039293.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-23
- Publication Date
- 2026-09-22
- Estimated Expiration
- 2035-09-23
AI Technical Summary
[0017]本申请提供的技术方案可以包括以下有益效果：本申请通过在落料斗前端观察口处设置可活动盖合的观察板，并配置基座端铰接于落料斗内侧壁、活动端铰接于观察板内侧端面的电动伸缩件，形成自动开合机制，无需操作人员手动开启或闭合观察窗，通过控制电动伸缩件伸展或收缩，即可带动观察板绕活动支点转动，从而实现观察窗的自动开启或闭合，以此达到省时省力的效果，方便操作人员对落料斗内部进行清洁或检查。
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Figure CN224776062U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the technical field of cigarette processing equipment, specifically an observation window suitable for the feed hopper of a cigarette factory's tobacco processing line. Background Technology
[0002] In cigarette processing, the tobacco processing step is the core intermediate link connecting raw tobacco leaves and cigarette rolling. Its core is to transform raw materials such as primary flue-cured tobacco (or re-cured tobacco leaves) and tobacco stems into qualified tobacco shreds with uniform shape, suitable moisture content, and harmonious flavor through a series of continuous physical and chemical treatments.
[0003] In the conveying process of the cigarette manufacturing workshop, the hopper at the end of the conveyor belt is an important channel for material discharge. It is designed with an observation window to facilitate operators to check the material status or to operate during maintenance and cleaning.
[0004] However, each time production ends or maintenance is performed, operators need to manually open the observation window for cleaning or inspection, which is time-consuming and labor-intensive. Utility Model Content
[0005] The main purpose of this application is to provide an observation window suitable for the feed hopper of a cigarette manufacturing line, which aims to solve the technical problem that operators need to manually open the observation window for cleaning or inspection after each production run or maintenance, resulting in time-consuming and labor-intensive work.
[0006] To achieve the above objectives, this application provides the following technical solution:
[0007] An observation window for a feed hopper in a cigarette manufacturing line, comprising a conveyor belt and a feed hopper, and further comprising:
[0008] An observation port is provided at the front end of the hopper.
[0009] An observation panel, which is movably covered at the observation port;
[0010] An electric telescopic component, wherein the base end of the electric telescopic component is hinged to the inner wall of the hopper, and the movable end is hinged to the inner end face of the observation plate near the hopper.
[0011] Optionally, the observation plate is made of a transparent material; the side wall of the observation plate near the hopper is movably connected to the edge of the top plate of the hopper via a hinge.
[0012] Optionally, a first detection switch is installed on the side of the bottom plate of the hopper near the observation plate, and a second detection switch is installed on the side of the top plate of the hopper near the observation plate.
[0013] Optionally, a dual-axis motor is installed in the middle of the observation plate along its height direction. One output end of the dual-axis motor is connected to a first rotating block. The first rotating block has a first rotating strip along its outer periphery. A first brush bundle is provided on the side of the first rotating strip near the observation plate.
[0014] Optionally, the first brush bundle is provided in a plurality of such bundles, and the plurality of the first brush bundles are arranged linearly at equal intervals along the length direction of the first rotating bar, and the end of the first brush bundle near the observation plate is in elastic contact with the end face of the observation plate.
[0015] Optionally, the other output end of the dual-axis motor is connected to a second rotating block, the second rotating block is provided with a second rotating bar along its outer periphery, and the second rotating bar is provided with a second brush bundle on the side near the observation plate.
[0016] Optionally, the second brush bundle is provided in a plurality of such bundles, and the plurality of second brush bundles are arranged linearly at equal intervals along the length direction of the second rotating bar, and the end of the second brush bundle near the observation plate is in elastic contact with the end face of the observation plate.
[0017] The technical solution provided in this application can include the following beneficial effects: This application sets a movable cover observation plate at the observation port at the front end of the hopper, and configures an electric telescopic component with the base end hinged to the inner side wall of the hopper and the movable end hinged to the inner end face of the observation plate, forming an automatic opening and closing mechanism. There is no need for the operator to manually open or close the observation window. By controlling the extension or retraction of the electric telescopic component, the observation plate can be driven to rotate around the movable fulcrum, thereby realizing the automatic opening or closing of the observation window, thus achieving the effect of saving time and effort, and making it convenient for the operator to clean or inspect the inside of the hopper. Attached Figure Description
[0018] To more clearly illustrate the technical solutions of the embodiments of this application, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0019] Figure 1 This is a three-dimensional structural diagram of an observation window suitable for the feed hopper of a cigarette manufacturing line;
[0020] Figure 2 This is a schematic diagram of the second detection switch;
[0021] Figure 3 This is a schematic diagram of the structure of the first brush bundle;
[0022] Figure 4 This is a schematic diagram of the second brush bundle.
[0023] Reference numerals: 1. Conveyor belt; 2. Hopper; 3. Observation port; 4. Observation plate; 5. Electric telescopic component; 6. Hinge; 7. First detection switch; 8. Second detection switch; 9. Dual-axis motor; 10. First rotating block; 11. First rotating bar; 12. First brush bundle; 13. Second rotating block; 14. Second rotating bar; 15. Second brush bundle. Detailed Implementation
[0024] To make the objectives, technical solutions, and advantages of this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the described embodiments are merely some, not all, of the embodiments of this application. Unless otherwise specified, the embodiments and features described in this application can be combined with each other. All other embodiments obtained by those skilled in the art based on the embodiments of this application without inventive effort are within the scope of protection of this application.
[0025] Example 1:
[0026] See Figure 1 and 2 An observation window for a feed hopper 2 in a cigarette manufacturing line, comprising a conveyor belt 1 and a feed hopper 2, and further comprising:
[0027] Observation port 3 is located at the front end of the hopper 2;
[0028] Observation plate 4, which is movably covered at the observation port 3;
[0029] The electric telescopic component 5 has its base end hinged to the inner wall of the hopper 2 and its movable end hinged to the inner end face of the observation plate 4 near the hopper 2.
[0030] Specifically, the hopper 2 is located at the discharge end of the conveyor belt 1 to receive the material conveyed by the conveyor belt 1. The bottom of the hopper 2 is provided with a discharge port, through which the material is sent to another conveyor belt 1 (not shown in the figure). The observation port 3 provides a visual channel between the hopper 2 and the outside world. The observation port 3 facilitates the observation of the material status inside the hopper 2, provides an access point for maintenance and cleaning, and provides a channel for the extension and retraction of the electric telescopic component 5 to avoid motion interference. In the closed state, the observation plate 4 completely covers the observation port 3, which can prevent the smoke and dust inside the hopper 2 from spreading outward, and at the same time prevent external dust and foreign objects from entering the hopper 2. The observation plate 4 is movably covered at the observation port 3. Its inner end face is reserved with a hinge interface for the movable end of the electric telescopic component 5, which can realize a stable opening / closing action under the drive of the electric telescopic component 5, thereby replacing the manual opening / closing of the observation plate 4. The electric telescopic component 5 is electrically connected to the PLC controller. The PLC controller controls the extension and retraction of the electric telescopic component 5, which drives the observation plate 4 to rotate around its movable fulcrum, so that the opening / closing can be completed without manual contact. In this application, the electric telescopic component 5 is an electric push rod or an electric cylinder.
[0031] In traditional technology, operators need to manually open the observation window for cleaning or inspection after each production run or maintenance, which is time-consuming and labor-intensive. In this application, by setting a movable observation plate 4 at the observation port 3 at the front end of the hopper 2, and configuring an electric telescopic component 5 with its base hinged to the inner wall of the hopper 2 and its movable end hinged to the inner end face of the observation plate 4, an automatic opening and closing mechanism is formed. There is no need for operators to manually open or close the observation window. By controlling the extension or retraction of the electric telescopic component 5, the observation plate 4 can be rotated around the movable fulcrum, thereby realizing the automatic opening or closing of the observation window. This achieves the effect of saving time and labor, and makes it convenient for operators to clean or inspect the inside of the hopper 2.
[0032] Furthermore, in traditional technologies, the observation window lacks a dedicated fixing device when open. When using compressed air cleaning equipment, vibration or airflow may cause the window to close unexpectedly. This unexpected closure not only increases operational inconvenience but also poses a safety hazard to operators. In this application, the electrically operated telescopic component 5, due to its positioning function during opening or closing, not only provides stable support but also effectively prevents the observation window from accidentally moving or being damaged due to external forces (such as airflow impact), thus improving the safety of equipment operation.
[0033] Example 2:
[0034] See Figures 1 to 2 Based on Embodiment 1, optionally, the observation plate 4 is made of transparent material; the side wall of the observation plate 4 near the hopper 2 is movably connected to the edge of the top plate of the hopper 2 via a hinge 6.
[0035] Specifically, transparent materials (such as tempered glass, heat-resistant acrylic, etc.) allow operators to directly see the conveying status of tobacco shreds in the feed hopper 2 (such as whether it is blocked, piled up, or interrupted) when the observation window is closed, without having to frequently open the observation window, thus avoiding production interruption or contact with internal dust and high-temperature tobacco shreds; the hinge 6 provides a base for the observation plate 4 to rotate around a fixed axis, allowing the observation plate 4 to be flipped up / down under the drive of the electric telescopic component 5.
[0036] Optionally, a first detection switch 7 is installed on the bottom plate of the hopper 2 near the observation plate 4, and a second detection switch 8 is installed on the top plate of the hopper 2 near the observation plate 4.
[0037] Specifically, the first detection switch 7 is used to detect whether the observation plate 4 is fully closed. When the observation plate 4 is fully closed (edges touching the hopper 2), the first detection switch 7 is triggered, sending a closed-in signal to the PLC controller to ensure tight contact between the observation plate 4 and the hopper 2. This prevents dust leakage or other safety hazards caused by the window not being fully closed during cleaning or maintenance. The second detection switch 8 is used to detect whether the observation plate 4 is fully open. When the observation plate 4 is opened to a preset angle (e.g., 90°, to meet the space requirements for operators to reach for cleaning / maintenance), the second detection switch 8 is triggered, and the PLC controller immediately stops the extension of the electric telescopic component 5. This ensures that the window is in the correct open state during operation or inspection, avoiding misoperation.
[0038] Example 3:
[0039] See Figure 3 and 4 Based on the above embodiments, optionally, a dual-axis motor 9 is installed in the middle of the observation plate 4 along its height direction. One output end of the dual-axis motor 9 is connected to a first rotating block 10. The first rotating block 10 is provided with a first rotating strip 11 along its outer periphery. A first brush bundle 12 is provided on the side of the first rotating strip 11 near the observation plate 4.
[0040] Specifically, the dual-axis motor 9 is installed in the middle along the height of the observation plate 4. Its function is to output stable rotational power. It is connected to the first rotating block 10 through a single output end (such as by key or coupling) to transmit the rotational motion of the motor to subsequent components, ensuring the stability of the cleaning action. The first rotating block 10 converts the rotational motion of the output end of the dual-axis motor 9 into the rotational motion of the first rotating bar 11 around its axis, causing the brush bundle to perform a circumferential wiping motion along the outer surface of the observation plate 4, covering the middle and surrounding areas of the observation plate 4, removing dust in real time, ensuring the transparency of the observation plate 4, and allowing operators to clearly see the status of the tobacco conveying in the feed hopper 2.
[0041] Optionally, the first brush bundle 12 is provided in a plurality of such bundles, and the plurality of the first brush bundles 12 are arranged linearly at equal intervals along the length direction of the first rotating bar 11, and the end of the first brush bundle 12 near the observation plate 4 is in elastic contact with the end face of the observation plate 4.
[0042] Specifically, the end of the first brush bundle 12 closest to the observation plate 4 is in elastic contact with the end face of the observation plate 4. This allows the brush bundle to maintain a moderate contact pressure through elastic deformation, preventing dust residue due to insufficient pressure or scratching the surface of the transparent observation plate 4 due to excessive pressure. It also adapts to the slight unevenness on the outer surface of the observation plate 4, ensuring stable contact between the brush bundle and the observation plate 4 during the cleaning process and improving the cleanliness of dust on the outer surface of the observation plate 4.
[0043] Optionally, the other output end of the dual-axis motor 9 is connected to a second rotating block 13. The second rotating block 13 is provided with a second rotating bar 14 along its outer periphery. The second rotating bar 14 is provided with a second brush bundle 15 on the side near the observation plate 4.
[0044] Specifically, the other output end of the dual-axis motor 9 drives the second brush bundle 15 to work through the second rotating block 13 and the second rotating bar 14, forming a collaborative cleaning system with the first set of brush mechanisms. The second brush bundle 15 wipes the inner area of the observation plate 4 to remove the smoke and dust that splashes and adheres during the silk making process, and to deal with stubborn stains that have accumulated over a long period of time, ensuring that the inner side of the observation plate 4 remains transparent at all times. It works in conjunction with the first brush bundle 12 to clean the inner and outer surfaces of the observation plate 4.
[0045] Optionally, a plurality of the second brush bundles 15 are provided, and the plurality of the second brush bundles 15 are arranged linearly at equal intervals along the length direction of the second rotating bar 14, and the end of the second brush bundle 15 near the observation plate 4 is in elastic contact with the end face of the observation plate 4.
[0046] Specifically, the end of the second brush bundle 15 closest to the observation plate 4 is in elastic contact with the end face of the observation plate 4. This allows the brush bundle to maintain appropriate contact pressure through elastic deformation, preventing dust residue due to insufficient pressure or scratching the surface of the transparent observation plate 4 due to excessive pressure. It also adapts to the slight unevenness on the inner surface of the observation plate 4, ensuring stable contact between the brush bundle and the observation plate 4 during the cleaning process and improving the cleanliness of dust on the inner surface of the observation plate 4.
[0047] The above description is merely a preferred embodiment of this application and is not intended to limit this application. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.
Claims
1. An observation window for a feed hopper in a cigarette manufacturing line, comprising a conveyor belt and a feed hopper, characterized in that, Also includes: An observation port is provided at the front end of the hopper. An observation panel, which is movably covered at the observation port; An electric telescopic component, wherein the base end of the electric telescopic component is hinged to the inner wall of the hopper, and the movable end is hinged to the inner end face of the observation plate near the hopper.
2. The observation window for the feed hopper of a cigarette manufacturing line according to claim 1, characterized in that, The observation plate is made of transparent material; the side wall of the observation plate near the hopper is movably connected to the edge of the top plate of the hopper via a hinge.
3. The observation window for the feed hopper of a cigarette manufacturing line according to claim 1, characterized in that, A first detection switch is installed on the side of the bottom plate of the hopper near the observation plate, and a second detection switch is installed on the side of the top plate of the hopper near the observation plate.
4. The observation window for the feed hopper of a cigarette manufacturing line according to claim 1 or 2, characterized in that, A dual-axis motor is installed in the middle of the observation plate along its height direction. One output end of the dual-axis motor is connected to a first rotating block. The first rotating block has a first rotating strip along its outer periphery. A first brush bundle is provided on the side of the first rotating strip near the observation plate.
5. The observation window for the feed hopper of a cigarette manufacturing line according to claim 4, characterized in that, The first brush bundle is provided in several parts, and the several first brush bundles are arranged linearly at equal intervals along the length direction of the first rotating bar. The end of the first brush bundle near the observation plate is in elastic contact with the end face of the observation plate.
6. The observation window for the feed hopper of a cigarette manufacturing line according to claim 4, characterized in that, The other output end of the dual-axis motor is connected to a second rotating block. The second rotating block has a second rotating bar along its outer periphery, and a second brush bundle is provided on the side of the second rotating bar near the observation plate.
7. The observation window for the feed hopper of a cigarette manufacturing line according to claim 6, characterized in that, The second brush bundle is provided in several parts, and the several second brush bundles are arranged linearly at equal intervals along the length direction of the second rotating bar. The end of the second brush bundle near the observation plate is in elastic contact with the end face of the observation plate.