Pressure type tobacco metering tube material detection device
By using contact sensors and trigger mechanisms in the tobacco metering tube, the problem of misdetection caused by material adhesion is solved, and the flow rate stability is stabilized during the tobacco wire production process is realized, and production stability is improved.
Patent Information
- Application Number
- CN202420908408.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-29
- Publication Date
- 2024-12-17
- Estimated Expiration
- 2034-04-29
AI Technical Summary
During the tobacco wire production process, materials tend to adhere to the wall of the metering tube when they fall from the tobacco metering tube, resulting in mis-testing of the photodetector and affecting flow control.
Design a pressure-type tobacco metering pipe material detection device, adopting contact sensors and trigger mechanisms, through components such as trigger plates, springs, support plates, limit plates and arc-shaped elastic plates, avoiding material adhesion and triggering contact induction to ensure accurate detection.
It effectively avoids detection errors caused by material adhesion, ensures stable control of material flow, and improves the stability of the production process.
Smart Images
Figure CN222180841U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of tobacco shred production, in particular to a pressure-type tobacco metering tube material detection device. Background Art
[0002] The tobacco metering tube is one of the important equipment on the silk production line. It is used in conjunction with the lifting belt to control the production flow and ensure the stability of production. The working principle of the tobacco metering tube is as follows: the material falls from the transparent metering tube to the electronic belt scale below. There are photoelectric detectors installed on both sides of the metering tube. When there are too many materials transported by the lifting belt, the materials will be detected by the photoelectric detector after they accumulate to a certain height. The metering tube sends a feedback signal to the lifting belt to suspend the latter. As the electronic belt scale transports the material away, the material height drops, the photoelectric detector signal changes, and the lifting belt continues to run, thereby stabilizing the material flow.
[0003] However, in the actual production process, it is found that when the material falls from the metering tube, it will adhere to the wall of the metering tube, causing false detection by the photoelectric detector, thereby adversely affecting the flow control. Utility Model Content
[0004] In order to overcome at least one of the defects of the prior art, the utility model provides a pressure-type tobacco metering tube material detection device, which can solve the detection error caused by the material adhering to the wall of the metering tube through a contact sensor and a trigger mechanism.
[0005] The technical solution adopted by the utility model to solve the problem is:
[0006] A pressure-type tobacco metering tube material detection device comprises a metering tube, wherein at least one contact sensor is arranged on the inner wall of the metering tube, and a trigger mechanism for contacting the contact sensor is arranged on the inner wall of the metering tube beside the contact sensor.
[0007] The above solution can avoid the material adhering to the wall surface of the metering tube and causing detection errors.
[0008] Furthermore, the trigger mechanism includes a trigger plate and a spring, one end of the trigger plate is rotatably connected to the inner wall of the metering tube and is located next to the contact sensor, so that the other end of the trigger plate is located above the contact sensor, one end of the spring is fixedly connected to the side of the trigger plate facing the contact sensor, and the other end is fixedly connected to the inner wall of the metering tube.
[0009] Through the above further solution, the spring can support and pull the trigger plate to prevent the trigger plate from shaking and affecting the detection effect. The spring can support the force of the material when it falls to prevent the material from hitting the trigger plate and causing false detection.
[0010] Furthermore, the trigger mechanism includes a trigger plate, a spring, a support plate and a limit plate, one end of the trigger plate is rotatably connected to the inner wall of the metering tube and is located next to the contact sensor, the other end of the trigger plate is rotatably connected to one end of the support plate, the support plate or the trigger plate is located above the contact sensor, the other end of the support plate is rotatably connected to a slide plate, one end of the slide plate is slidably connected to the inner wall of the metering tube, the slide plate is fixedly connected to one end of the spring on the opposite side of the connection side with the support plate, and the other end of the spring is fixedly connected to the inner wall of the metering tube through the limit plate.
[0011] Through the above further scheme, when the trigger plate is squeezed, it will push the support plate, so that the trigger plate is pressed down and hits the contact sensor. The support plate is connected to the limit plate through a spring. The spring can support the support plate, thereby supporting the trigger plate to prevent the material from hitting the trigger plate and causing false detection.
[0012] Furthermore, the trigger mechanism includes a trigger plate and a spring. The trigger plate is parallel to the inner wall of the metering tube and is located above the contact sensor. Both ends of the trigger plate facing the contact sensor are connected to the inner wall of the metering tube through a spring.
[0013] Through the above further solution, when the trigger plate is squeezed, the trigger plate descends and touches the contact sensor. The trigger plate is supported by the spring to prevent the material from hitting the trigger plate, which would cause false detection.
[0014] Furthermore, the trigger mechanism is an arc-shaped spring plate, one end of which is rotatably connected to the inner wall of the metering tube, and the other end is slidably connected to the inner wall of the metering tube through a movable plate, and the arc-shaped spring plate is located above the contact sensor, and the arc-shaped spring plate is rotatably connected to the movable plate.
[0015] Through the above further scheme, the arc-shaped spring plate itself is elastic, and one end is slidably connected to the inner wall of the metering tube. When the trigger plate is squeezed, the middle part of the arc-shaped spring plate drops, and one end of the sliding connection slides outward until the arc-shaped spring plate touches the contact sensor. Since the arc-shaped spring plate itself is elastic, it can prevent the material from hitting the trigger plate, resulting in false detection.
[0016] Furthermore, at least one dustproof mechanism is provided on the inner wall of the metering tube, the number of the dustproof mechanisms is the same as the number of the contact sensors, and the dustproof mechanism wraps the contact sensors and the trigger mechanism.
[0017] Through the above further solution, it is possible to prevent the material from entering between the contact sensor and the trigger mechanism, thereby causing false detection.
[0018] Furthermore, the dustproof mechanism includes a dustproof cloth and at least two pressure strips, the dustproof cloth wraps the contact sensor and the trigger mechanism, at least two ends of the dustproof cloth are fixedly mounted on the inner wall of the metering tube through the pressure strips, and the two ends are symmetrical.
[0019] Through the above further solution, when there are two pressure strips, the symmetrical two ends of the dustproof cloth are fixedly mounted on the inner wall of the metering tube through the pressure strips.
[0020] In summary, the pressure-type tobacco metering tube material detection device provided by the utility model has the following technical effects: when the trigger mechanism is subjected to a certain pressure, it can touch the contact sensor to prevent the material from adhering to the wall of the metering tube and causing detection errors. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for describing the embodiments are briefly introduced below.
[0022] Figure 1 This is a schematic diagram of the overall structure of Example 1 of the utility model;
[0023] Figure 2 This is a schematic diagram of the coordination structure of the trigger mechanism and the contact sensor in Example 1 of the utility model;
[0024] Figure 3 This is a schematic diagram of the trigger mechanism structure in Example 2 of the utility model;
[0025] Figure 4 This is a schematic diagram of the trigger mechanism structure in Example 3 of the utility model;
[0026] Figure 5 This is a schematic diagram of the trigger mechanism structure in Example 4 of the utility model;
[0027] Figure 6 This is a schematic diagram of the trigger mechanism structure in Example 5 of the utility model.
[0028] In the figure: 1. metering tube; 2. contact sensor; 3. trigger mechanism; 31. trigger plate; 32. spring; 33. support plate; 34. limit plate; 331. slide plate; 35. arc spring plate; 351. moving plate; 4. dustproof mechanism; 41. dustproof cloth; 42. pressure strip. DETAILED DESCRIPTION
[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0030] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.
[0031] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances. In addition, the technical features involved in the different embodiments of the present utility model described below can be combined with each other as long as they do not conflict with each other.
[0032] Embodiment 1;
[0033] See also Figure 1-Figure 2 The utility model discloses a pressure-type tobacco metering tube material detection device: comprising: a metering tube 1, two contact sensors 2 are arranged on the inner wall of the metering tube 1, one contact sensor 2 is located at the upper end of the metering tube 1, and the other is located at the lower end of the metering tube 1, and trigger mechanisms 3 for contacting the contact sensors 2 are arranged on the inner wall of the metering tube 1 next to the contact sensors 2, and two dustproof mechanisms 4 are also arranged on the inner wall of the metering tube 1, and the dustproof mechanisms 4 include a dustproof cloth 41 and two pressure strips 42, and the dustproof cloth 41 wraps the contact sensor 2 and the trigger mechanism 3 inside, and the symmetrical two ends of the dustproof cloth 41 are fixed to the inner wall of the metering tube 1 through the pressure strips 42, and then the dustproof cloth 41 is fixedly installed on the inner wall of the metering tube 1 by installing screws and nuts, which can prevent materials from entering between the contact sensor 2 and the trigger mechanism 3, thereby causing false detection.
[0034] The working principle of this embodiment is as follows: the pressure-type tobacco metering tube material detection device is connected to the control system of the conveying motor in front of the metering tube 1, and the control system can control the conveying motor in front of the metering tube 1 according to the signal change of the contact sensor 2; when the material in the metering tube 1 squeezes the trigger mechanism 3, the trigger mechanism 3 transmits the squeezing force to the contact sensor 2, and the contact sensor 2 obtains a signal; when there is no material squeezing the trigger mechanism 3, the trigger mechanism 3 is separated from the contact sensor 2, and the contact sensor 2 has no signal; its control logic is:
[0035] When there is no signal from the upper and lower devices, the conveying motor runs quickly to achieve fast feeding;
[0036] When the upper device detects no signal and the lower device detects a signal, the conveying motor runs slowly to control the material flow;
[0037] When both the upper and lower end devices detect signals, the conveying motor stops running and waits for the material to fall into the metering tube 1;
[0038] When the upper device detects signals and the lower device detects no signals, it means that the material is overhead and the control system alarms.
[0039] Embodiment 2:
[0040] Reference Figure 3 As shown, the trigger mechanism 3 includes a trigger plate 31 and a spring 32. One end of the trigger plate 31 is rotatably connected to the inner wall of the metering tube 1 and is located next to the contact sensor 2, so that the other end of the trigger plate 31 is located above the contact sensor 2. One end of the spring 32 is fixedly connected to the trigger plate 31 facing the contact sensor 2, and the other end is fixedly connected to the inner wall of the metering tube 1. The spring 32 can support and pull the trigger plate 31 to prevent the trigger plate 31 from shaking and affecting the detection effect. The spring 32 can support the force of the material when it falls to prevent the material from hitting the trigger plate 31, resulting in false detection.
[0041] It should be noted that in this embodiment, the other end of the trigger plate 31 is located above the touch sensor 2. The above is expressed horizontally to better describe the positional relationship between the trigger plate 31 and the touch sensor 2. When the trigger plate 31 is squeezed, it can touch the touch sensor 2.
[0042] Embodiment 3:
[0043] Reference Figure 4As shown, the trigger mechanism 3 includes a trigger plate 31, a spring 32, a support plate 33 and a limit plate 34. One end of the trigger plate 31 is rotatably connected to the inner wall of the metering tube 1 and is located next to the contact sensor 2. The other end of the trigger plate 31 is rotatably connected to one end of the support plate 33. The support plate 33 or the trigger plate 31 is located above the contact sensor 2. The other end of the support plate 33 is rotatably connected to a slide plate 331. One end of the slide plate 331 is slidably connected to the inner wall of the metering tube 1. The side opposite to the connection side of the slide plate 331 and the support plate 33 is fixedly connected to one end of the spring 32. The other end of the spring 32 is fixedly connected to the inner wall of the metering tube 1 through the limit plate 34. When the trigger plate 31 is squeezed, the support plate 33 is pushed, so that the trigger plate 31 is pressed down and hits the contact sensor 2. The support plate 33 is connected to the limit plate 34 through the spring 32. The spring 32 can support the support plate 33, thereby supporting the trigger plate 31 to prevent the material from hitting the trigger plate 31, resulting in an erroneous detection.
[0044] It should be noted that the support plate 33 or the trigger plate 31 in this embodiment is located above the touch sensor 2, and the above is expressed horizontally to better describe the positional relationship between the trigger plate 31 or the support plate 33 and the touch sensor 2, and when the trigger plate 31 is squeezed, the trigger plate 31 or the support plate 33 can touch the touch sensor 2.
[0045] Embodiment 4:
[0046] Reference Figure 5 As shown, the trigger mechanism 3 includes a trigger plate 31 and a spring 32. The trigger plate 31 is parallel to the inner wall of the metering tube 1 and is located above the contact sensor 2. Both ends of the trigger plate 31 facing the contact sensor 2 are connected to the inner wall of the metering tube 1 through the spring 32. When the trigger plate 31 is squeezed, the trigger plate 31 descends and touches the contact sensor 2. The trigger plate 31 is supported by the spring 32 to prevent the material from hitting the trigger plate 31, which would cause an erroneous detection.
[0047] It should be noted that the trigger plate 31 in this embodiment is located above the touch sensor 2. The term "above" is expressed horizontally to better describe the positional relationship between the trigger plate 31 and the touch sensor 2. When the trigger plate 31 is squeezed, it can touch the touch sensor 2.
[0048] Embodiment 5:
[0049] Reference Figure 6As shown, the trigger mechanism 3 is an arc-shaped spring plate 35, one end of the arc-shaped spring plate 35 is rotatably connected to the inner wall of the metering tube 1, and the other end is slidably connected to the inner wall of the metering tube 1 through a movable plate 351, and the arc-shaped spring plate 35 is located above the contact sensor 2, the arc-shaped spring plate 35 is rotatably connected to the movable plate 351, the arc-shaped spring plate 35 itself is elastic, and one end is slidably connected to the inner wall of the metering tube 1. When the trigger plate 31 is squeezed, the middle part of the arc-shaped spring plate 35 drops, and one end of the slidably connected end slides outward until the arc-shaped spring plate 35 touches the contact sensor 2. Since the arc-shaped spring plate 35 itself is elastic, it can prevent the material from hitting the trigger plate 31, which will cause an erroneous detection.
[0050] It should be noted that the arc spring plate 35 in this embodiment is located above the touch sensor 2. The term "above" is expressed horizontally to better describe the positional relationship between the arc spring plate 35 and the touch sensor 2. When the arc spring plate 35 is squeezed, it can touch the touch sensor 2.
[0051] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed by the utility model should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.
Claims
1. A pressure-type tobacco metering tube material detection device, comprising a metering tube (1), characterized in that: At least one contact sensor (2) is provided on the inner wall of the metering tube (1), and a trigger mechanism (3) for contacting the contact sensor (2) is provided on the inner wall of the metering tube (1) next to the contact sensor (2).
2. A pressure-type tobacco metering tube material detection device according to claim 1, characterized in that: The trigger mechanism (3) comprises a trigger plate (31) and a spring (32); one end of the trigger plate (31) is rotatably connected to the inner wall of the metering tube (1) and is located next to the contact sensor (2), so that the other end of the trigger plate (31) is located above the contact sensor (2); one end of the spring (32) is fixedly connected to the trigger plate (31) on the side facing the contact sensor (2), and the other end is fixedly connected to the inner wall of the metering tube (1).
3. A pressure-type tobacco metering tube material detection device according to claim 1, characterized in that: The trigger mechanism (3) comprises a trigger plate (31), a spring (32), a support plate (33) and a limit plate (34); one end of the trigger plate (31) is rotatably connected to the inner wall of the metering tube (1) and is located next to the contact sensor (2); the other end of the trigger plate (31) is rotatably connected to one end of the support plate (33); the support plate (33) or the trigger plate (31) is located above the contact sensor (2); the other end of the support plate (33) is rotatably connected to a slide plate (331); one end of the slide plate (331) is slidably connected to the inner wall of the metering tube (1); the side opposite to the connection side of the slide plate (331) and the support plate (33) is fixedly connected to one end of the spring (32); the other end of the spring (32) is fixedly connected to the inner wall of the metering tube (1) through the limit plate (34).
4. A pressure-type tobacco metering tube material detection device according to claim 1, characterized in that: The trigger mechanism (3) comprises a trigger plate (31) and a spring (32); the trigger plate (31) is parallel to the inner wall of the metering tube (1) and is located above the contact sensor (2); both ends of the trigger plate (31) facing the contact sensor (2) are connected to the inner wall of the metering tube (1) via the spring (32).
5. A pressure-type tobacco metering tube material detection device according to claim 1, characterized in that: The trigger mechanism (3) is an arc-shaped spring plate (35), one end of which is rotatably connected to the inner wall of the metering tube (1), and the other end of which is slidably connected to the inner wall of the metering tube (1) via a movable plate (351), and the arc-shaped spring plate (35) is located above the contact sensor (2), and the arc-shaped spring plate (35) is rotatably connected to the movable plate (351).
6. A pressure-type tobacco metering tube material detection device according to any one of claims 1 to 5, characterized in that: At least one dustproof mechanism (4) is also provided on the inner wall of the metering tube (1), the number of the dustproof mechanisms (4) being the same as the number of the contact sensors (2), and the dustproof mechanisms (4) enclose the contact sensors (2) and the trigger mechanism (3).
7. A pressure-type tobacco metering tube material detection device according to claim 6, characterized in that: The dustproof mechanism (4) comprises a dustproof cloth (41) and at least two pressure strips (42), wherein the dustproof cloth (41) wraps the contact sensor (2) and the trigger mechanism (3), and at least two ends of the dustproof cloth (41) are fixedly mounted on the inner wall of the metering tube (1) through the pressure strips (42), and the two ends are symmetrical.