A material guide plate device on a vibrating conveyor
By designing a filter structure with inclined guide plates and baffles on the vibrating conveyor, combined with compressed air nozzles and liquid level sensors, the problem of water accumulation on the guide plate is solved by automatically controlling the spraying of water and the clogging of tobacco, thus ensuring the accuracy of moisture detection and the quality of tobacco.
Patent Information
- Application Number
- CN202310379217.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2023-04-11
- Publication Date
- 2026-02-03
- Estimated Expiration
- 2043-04-11
AI Technical Summary
In existing vibrating conveyors, water can easily accumulate in the space between the guide plate and the baffle plate, causing the tobacco to become damp, which affects the accuracy of moisture detection and increases quality risks.
Design a material guide plate device, which uses an inclined material guide plate and a baffle plate equipped with a filter screen, and uses a compressed air nozzle and a liquid level sensor to automatically control the spraying of water accumulation and the clogging of tobacco, preventing water accumulation and tobacco accumulation.
It effectively prevents water accumulation and tobacco buildup between the guide plate and the baffle plate, ensuring the accuracy of moisture detection, reducing potential quality problems, and avoiding the generation of yellow-spotted smoke, moldy smoke, and water-stained smoke.
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Figure CN116424791B_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of tobacco conveying technology, and more specifically, to a guide plate device for a vibrating conveyor. Background Technology
[0002] Currently, tobacco processing workshops use vibrating conveyors to transport flavored tobacco shreds at the outlet of the flavoring roller. A moisture meter is located at the rear of the vibrating conveyor to detect the moisture content at the outlet. To minimize errors and improve accuracy, two V-shaped guide plates are installed in the middle of the existing vibrating conveyor, before the moisture meter. These guide plates are rectangular, with their wider side contacting and fixed to a baffle plate on one side of the vibrating trough, and their longer side contacting the transport surface of the trough. The V-shape along the tobacco transport direction helps the tobacco shreds after exiting the flavoring roller to better aggregate, allowing the moisture meter to collect more accurate and reliable moisture values.
[0003] When cleaning and maintaining the vibrating trough after the day's production, some water accumulates in the angled space between the guide plates and the trough body due to the tight installation of the two guide plates and the overall stainless steel structure. This water cannot drain on its own and is a blind spot, making it difficult to notice. If the operators do not notice or clean the water in time before the next day's production, the water will come into contact with the tobacco due to the vibration of the trough. Some of the damp tobacco will mix with the finished tobacco and enter the tobacco storage cabinet, easily forming yellow-spotted tobacco, moldy tobacco, and water-stained tobacco, posing a significant quality risk.
[0004] Therefore, how to provide a guide plate device that can effectively prevent water accumulation between the guide plate and the baffle plate has become a technical problem that urgently needs to be solved in this field. Summary of the Invention
[0005] The purpose of this invention is to provide a guide plate device for a vibrating conveyor, which can effectively solve the problems mentioned in the background art.
[0006] According to one aspect of the present invention, a guide plate device for a vibrating conveyor is provided, comprising a conveying plane, a guide plate, and a compressed air nozzle;
[0007] The conveying plane is provided with baffles on both sides, and the inner side of each baffle is provided with a guide plate at an inclination. The guide plates are symmetrical to each other, and their inclination direction is the same as the conveying direction of the conveying plane.
[0008] A filter screen is provided between the guide plate and the baffle plate. The compressed air nozzle is located above the baffle plate, and the air jet direction of the compressed air nozzle is directly opposite the filter screen to prevent tobacco or cleaning water from accumulating between the angle between the guide plate and the baffle plate.
[0009] Optionally, in the guide plate device on the vibrating conveyor according to the present invention, the filter screen and the guide plate are an integral structure, both of which are made of stainless steel.
[0010] Optionally, in the guide plate device on the vibrating conveyor according to the present invention, a solenoid valve is provided on the pipeline of the compressed air nozzle to control the start and stop of the compressed air nozzle.
[0011] Optionally, the guide plate device on the vibrating conveyor according to the present invention further includes a liquid level sensor, which is electrically connected to the solenoid valve. When the liquid level sensor detects that the liquid level height between the guide plate and the baffle plate is greater than a set value, the solenoid valve opens.
[0012] Optionally, in the guide plate device on the vibrating conveyor according to the present invention, the set value is 5mm height.
[0013] Optionally, in the guide plate device on the vibrating conveyor according to the present invention, a time delay relay is further connected between the liquid level detector and the solenoid valve, and the time delay relay is de-energized for 30 seconds.
[0014] Optionally, according to the guide plate device on the vibrating conveyor of the present invention, a moisture detector is further provided above the conveying plane. The moisture detector is located on the rear side of the outlet between the two guide plates and is used to detect the outlet moisture.
[0015] The beneficial effects of this invention are:
[0016] 1. The combined use of compressed air and a liquid level sensor works as follows: When the filter screen is soaked with cleaning water, the tobacco shreds clogging the screen soften and become damp. Once the liquid level sensor detects a certain water level, it sends a signal to a power-off delay relay. The relay contacts immediately close, sending a signal to the compressed air solenoid valve. The compressed air nozzle then blows air through the softened tobacco shreds in the filter screen, preventing poor drainage and water accumulation caused by clogging. After a delay, the relay disconnects, ending the blowing process. If the liquid level sensor continuously detects a certain liquid level, this process repeats until there is no water accumulation.
[0017] 2. The unique tank guide plate structure combines a high-strength stainless steel filter screen with the overall guide plate. The filter screen is positioned at the lowest point relative to the guide plate, allowing accumulated water to flow away under gravity. This ensures the authenticity and accuracy of the moisture meter's readings while reducing potential quality issues caused by water accumulation.
[0018] Other features and advantages of the invention will become clear from the following detailed description of exemplary embodiments of the invention with reference to the accompanying drawings. Attached Figure Description
[0019] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments of the invention and, together with their description, serve to explain the principles of the invention.
[0020] Figure 1 This is a schematic diagram of the material guide plate device on the vibrating conveyor disclosed in this invention;
[0021] Figure 2 This is the control logic diagram of the present invention.
[0022] Explanation of reference numerals in the attached diagram: 1-Moisture detector, 2-Conveying plane, 3-Baffle plate, 4-Guide plate, 5-Filter screen, 6-Accumulated water, 7-Compressed air nozzle, 8-Liquid level sensor. Detailed Implementation
[0023] Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that, unless otherwise specifically stated, the relative arrangement, numerical expressions, and values of the components and steps set forth in these embodiments do not limit the scope of the invention.
[0024] The following description of at least one exemplary embodiment is merely illustrative and is in no way intended to limit the invention or its application or use.
[0025] Techniques, methods, and equipment known to those skilled in the art may not be discussed in detail, but where appropriate, such techniques, methods, and equipment should be considered part of the specification.
[0026] In all the examples shown and discussed herein, any specific values should be interpreted as merely exemplary and not as limitations. Therefore, other examples of exemplary embodiments may have different values.
[0027] It should be noted that similar labels and letters in the following figures indicate similar items; therefore, once an item is defined in one figure, it does not need to be discussed further in subsequent figures.
[0028] according to Figure 1 and Figure 2 As shown, the present invention provides a guide plate 4 device on a vibrating conveyor, including a conveying plane 2, a guide plate 4, and a compressed air nozzle 7.
[0029] The conveying plane 2 is provided with baffles 3 on both sides. The inner side of each baffle 3 is provided with a guide plate 4, and the guide plates 4 are symmetrical to each other. Their inclination direction is the same as the conveying direction of the conveying plane 2.
[0030] A filter screen 5 is provided between the guide plate 4 and the baffle plate 3. The compressed air nozzle 7 is located above the baffle plate 3, and the air jet direction of the compressed air nozzle 7 is directly opposite the filter screen 5 to prevent tobacco or cleaning water from accumulating between the angle between the guide plate 4 and the baffle plate 3.
[0031] Furthermore, the filter screen 5 and the guide plate 4 are an integral structure, both made of stainless steel, to avoid the guide plate 4 from easily breaking under the impact of materials due to incompatibility of materials or structure between the filter screen 5 and the guide plate 4.
[0032] Furthermore, a solenoid valve is installed on the pipeline of the compressed air nozzle 7 to control the start and stop of the compressed air nozzle 7. A liquid level sensor 8 is also included, which is electrically connected to the solenoid valve. When the liquid level sensor 8 detects that the liquid level height between the guide plate 4 and the baffle plate 3 is greater than a set value, the solenoid valve opens. The set value is 5mm. A time-delay relay is also connected between the liquid level sensor and the solenoid valve. The time-delay relay is de-energized and delays for 30 seconds.
[0033] Optionally, according to the guide plate 4 device on the vibrating conveyor of the present invention, a moisture detector 1 is further provided above the conveying plane 2. The moisture detector 1 is located on the rear side of the outlet between the two guide plates 4 and is used to detect the outlet moisture.
[0034] After production ends that day, operators need to stop the machine to clean the vibrating trough at the outlet of the flavoring roller and the guide plate 4. First, rinse the filter screen 5 with water. Some tobacco shreds that are blocked in the filter screen 5 begin to absorb water and become damp. At the same time, since the filter screen 5 is not clean yet and the drainage is insufficient, when the liquid level sensor 8 at the most water-prone area detects water and the liquid level is greater than 5mm, it outputs an electrical signal to the power-off delay relay. The power-off delay relay contacts immediately close and open after a 30-second delay. At this time, the relay connects the solenoid valve. The solenoid valve receives the signal and connects the compressed air nozzle 7 at the filter screen to the compressed air in this branch. It blows the filter screen for 30 seconds, spraying out the softened tobacco shreds that have absorbed water. It also sprays away some water that has accumulated in this area during the maintenance process through the filter screen 5 from the corners where water easily accumulates, making the filter screen 5 easier to clean. After the filter screen 5 is clean, the remaining water 6 can be discharged from the filter screen 5 under the action of gravity, so that the water 6 that is easy to accumulate here can be discharged naturally. If the filter screen 5 is not cleaned, and there is still water 6 and the height of the water 6 is still greater than 5mm, the liquid level detector will be triggered to send a signal again, and the above process will be repeated until the filter screen 5 and the water 6 are cleaned.
[0035] This invention is placed on the vibrating conveyor at the outlet of the aroma-adding roller. Automated control is achieved through a liquid level sensor 8 and a time-delay relay. After the day's production ends, when the operator washes the vibrating tank and the filter screen with water, the liquid level sensor 8 detects that the water level has reached a certain position and sends a signal to the time-delay relay. The time-delay relay is activated and sends a signal to the compressed air solenoid valve. The compressed air nozzle 7 then blows air onto the filter screen after a 30-second delay. This serves two purposes: first, to blow away the tobacco shreds clogging the filter screen 5; and second, to ensure that the filter screen 5 is clean and can promptly drain the cleaning water accumulated there. This prevents the tobacco shreds from mixing with the accumulated water 6 in blind spots during the next day's production, which can cause yellow-spotted smoke, moldy smoke, or water-stained smoke.
[0036] While specific embodiments of the invention have been described in detail by way of examples, those skilled in the art should understand that the examples are for illustrative purposes only and not intended to limit the scope of the invention. Those skilled in the art should understand that modifications can be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.
Claims
1. A guide plate device for a vibrating conveyor, characterized in that, This includes the conveyor plane, guide plate, and compressed air nozzles; The conveying plane is provided with baffles on both sides, and the inner side of each baffle is provided with a guide plate at an inclination. The guide plates are symmetrical to each other, and their inclination direction is the same as the conveying direction of the conveying plane. A filter screen is provided between the guide plate and the baffle plate. The compressed air nozzle is located above the baffle plate, and the air jet direction of the compressed air nozzle is directly opposite the filter screen to prevent tobacco or cleaning water from accumulating between the angle between the guide plate and the baffle plate.
2. The guide plate device on the vibrating conveyor according to claim 1, characterized in that, The filter screen and the guide plate are an integral structure, both made of stainless steel.
3. The guide plate device on the vibrating conveyor according to claim 1, characterized in that, The compressed air nozzle is equipped with a solenoid valve on its pipeline to control the start and stop of the compressed air nozzle.
4. The guide plate device on the vibrating conveyor according to claim 3, characterized in that, It also includes a liquid level sensor, which is electrically connected to the solenoid valve. When the liquid level sensor detects that the liquid level height between the guide plate and the baffle plate is greater than a set value, the solenoid valve opens.
5. The guide plate device on the vibrating conveyor according to claim 4, characterized in that, The set value is 5mm in height.
6. The guide plate device on the vibrating conveyor according to claim 4, characterized in that, A time-delay relay is also connected between the liquid level sensor and the solenoid valve. The time-delay relay is de-energized and then delays for 30 seconds.
7. The guide plate device on the vibrating conveyor according to claim 1, characterized in that, A moisture detector is also provided above the conveying plane. The moisture detector is located on the rear side of the outlet between the two guide plates and is used to detect the moisture content at the outlet.
Citation Information
Patent Citations
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