CN220694378U - A tobacco leaf recycling device for a shredder with fire extinguishing function - Google Patents

Abstract

The utility model discloses a shredded tobacco leaf recovery device with a fire extinguishing function, which includes an inlet conveyor belt and a shredder, an ash receiving hopper, a debris recovery pipe, a negative pressure fan, an ash collection box, a fire extinguishing device and Control system; the end of the entrance conveyor belt is located above the entrance of the shredder; the ash receiving hopper is arranged below the shredder; one end of the debris recovery pipe is connected to the bottom outlet of the ash receiving hopper, and the other end is connected to the negative end. The air inlet of the pressure fan; the air outlet of the negative pressure fan is connected to the dust collection box through a pipeline; a material passing sensor is provided at the end of the inlet conveyor belt; the spark detection device, the temperature detection device, and the water spray The devices are all connected to the control system. The device of this utility model can actively absorb the shredded tobacco chips at the bottom of the tobacco leaf shredder and collect them uniformly, so that all the shredded tobacco chips can be reasonably collected, reducing the labor intensity of workers, and at the same time, it can automatically extinguish fires and reduce potential safety hazards of fires.

Description

A device for recovering shredded tobacco leaves from shredders with fire extinguishing function

Technical field

The utility model belongs to the technical field of tobacco processing auxiliary equipment, and in particular relates to a shredder tobacco leaf recovery device with a fire extinguishing function.

Background technique

In the cigarette processing process of the cigarette industry, the shredder is a key piece of equipment in the shred production line. The purpose is to cut the tobacco pieces into shreds. The shredder has the problem of a lot of broken tobacco leaves and tobacco powder falling from the bottom during operation. The main reason is that the shredder's copper chain conveys materials with broken leaves and tobacco powder attached, and falls off when it reaches the bottom of the shredder. Due to the existence of sparks in the shredder's sharpening system, it is easy to cause broken tobacco leaves and tobacco powder. When ignition occurs in the pipeline during the recycling process, there are certain safety risks.

Utility model content

The utility model discloses a shredder broken tobacco leaf recovery device with a fire extinguishing function. The device can suck away the broken tobacco leaves and tobacco powder, reduce maintenance labor intensity and improve the environment. At the same time, it can detect sparks and other initial fire phenomena in a timely manner. Extinguishing.

In order to achieve the above purpose, the present utility model adopts the following technical solutions:

A device for recovering broken tobacco leaves of shredders with a fire extinguishing function, including an ash receiving hopper, a debris recovery pipe, a negative pressure fan, an ash collection box, a fire extinguishing device and a control system; the ash receiving hopper is arranged below the shredding machine ; One end of the debris recovery pipe is connected to the bottom outlet of the ash hopper, and the other end is connected to the air inlet of the negative pressure fan; the exhaust port of the negative pressure fan is connected to the ash collection box through a pipeline; the negative pressure fan, spark The detection device, temperature detection device, and water spray device are all connected to the control system.

The shredder is used to cut tobacco leaves into shredded tobacco; the ash collecting hopper is used to receive the shredded tobacco debris falling from the bottom of the shredder; the debris recovery pipe is used to cut the shredded tobacco under the action of a negative pressure fan. Debris and dust are sucked and sent to the ash collection box; the ash collection box is used to uniformly collect tobacco debris and dust; the material passing sensor is used to sense whether any tobacco leaves are sent to the shredder through the entrance conveyor belt. If tobacco leaves are sensed passing through, it is judged that the shredder is working. At this time, the control system controls the negative pressure fan to start to absorb tobacco chips and dust; the control system can be a PLC control system; the material passing sensor can be a photoelectric sensor.

As a further technical improvement, the debris recovery pipe is provided with an air volume adjustment switch. The air volume adjustment switch can control the air volume for extracting tobacco chips under negative pressure by controlling the size of the opening area of the cross section of the chip recovery pipe.

As a further technical improvement, a transparent full material detection window is provided on the side of the dust collection box; a full material detection sensor is provided outside the full material detection window. The full material detection sensor is also connected with an alarm device; the full material detection sensor can be a photoelectric induction device. Once the tobacco debris in the ash collection box accumulates and reaches the full material detection window position, the full material detection sensor It can be detected by the detector, and at this time, the alarm device will sound an alarm to remind the operator to clean the dust box.

As a further technical improvement, a full material detection bracket is provided on the side of the dust collection box; the full material detection sensor is arranged on the full material detection bracket and faces the full material detection window.

As a further technical improvement, a material passing sensing bracket is provided at the end of the inlet conveyor belt; and the material passing sensor is arranged on the material passing sensing bracket.

As a further technical improvement, the dust collection box is provided with a door.

As a further technical improvement, an observation window and a handle are provided on the box door. The observation window allows the user to observe the amount of shredded tobacco inside the ash collecting box.

As a further technical improvement, a delay switch is also included; the delay switch is connected to the control system. When the overfeed sensor detects that tobacco leaves are fed into the shredder through the inlet conveyor belt, the negative pressure fan starts; when the overfeed sensor detects that no tobacco leaves are fed into the shredder through the inlet conveyor belt, the control system It is judged that there is no need to shred the tobacco leaves at this time. Under the action of the delay switch, the negative pressure fan automatically shuts down after a suitable period of delay.

As a further technical improvement, the fire extinguishing device includes a sprinkler pipeline, a detection system, and an alarm system.

As a further technical improvement, the fire extinguishing device detection system is equipped with a spark detector for spark detection and a temperature detector. When the temperature meter or spark detector reaches the alarm, it immediately sends an input signal to the control system, and the alarm system sends out an alarm signal, and also includes a false alarm reset button.

As a further technical improvement, the fire extinguishing device includes a water spray pipeline including a water source, a water source control valve, a sprinkler head and a pipeline, and the water source nozzle is installed on the ash collection box.

How to use the above-mentioned shredder crushed tobacco leaf recycling device with fire extinguishing function:

When used, the tobacco leaves enter the shredder from the entrance conveyor belt. At this time, the material passing sensor detects the passing of tobacco leaves, and the control system controls the negative pressure fan to start; the shredder cuts the tobacco leaves into thin strips; as the shredder runs, Most of the cut tobacco is sent to the next production process, but a small amount of cut tobacco debris and dust adheres to the conveyor belt of the shredder and is taken to the bottom of the shredder; the negative pressure fan generates negative pressure and passes through the ash receiving hopper and The debris recovery pipe sucks the tobacco debris and dust into the ash collection box, thereby replacing the original collection method of relying on the free drop of the tobacco in the form of active suction, which can collect the tobacco debris more thoroughly, and all the tobacco debris enters the dust collection box. With the ash collection box, the operator only needs to pour out the tobacco debris collected in the ash collection box to complete the cleaning, saving time and effort, and at the same time preventing the occurrence of fire accidents.

The technical solution of this utility model has the following beneficial effects:

1. This device can actively absorb the tobacco debris at the bottom of the tobacco leaf cutter through the negative pressure fan, ash hopper and debris recovery pipe, replacing the original collection method that relies on the free fall of tobacco debris. It can collect tobacco debris more fully and prevent tobacco debris from falling to other places and affecting the hygiene of equipment and workshops.

2. This device can collect and store tobacco chips and dust in a unified manner through the dust collection box, avoiding the need for workers to scrape off the tobacco chips again when cleaning the tobacco chips, which increases labor problems.

3. This device can sense whether tobacco leaves enter the shredder through the material passing sensor, thereby automatically controlling the start and stop of the negative pressure fan, saving energy.

4. This device can automatically detect whether the dust box is full through the full material detection sensor, and remind the staff to clean it in time.

5. This device can monitor sparks and temperature by adding a fire extinguishing device, which can effectively reduce the occurrence of fires.

Description of drawings

In order to explain the technical solutions of the embodiments of the present utility model more clearly, the drawings needed to be used in the description of the embodiments will be briefly introduced below;

Figure 1 is a schematic diagram of the overall structure of this device;

Fig. 2 is a nozzle structure diagram of the device;

Figure 3 is the electrical connection diagram of this device;

Reference signs: 1-ash hopper, 2-first debris recovery pipe, 29-second debris recovery pipe, 3-negative pressure fan, 4-ash collection box, 5-inlet conveyor belt, 6-cutting Machine, 7-over-material sensing bracket, 8-over-material sensor, 9-full material detection bracket, 10-full material detection sensor, 11-full material detection window, 12-air volume adjustment switch, 13-box door, 14 -Observation window, 15-handle, 16-nozzle, 17-solenoid valve, 18-spark detector, 19-temperature meter, 20-button, 21-water source.

Detailed ways

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

The method of using the utility model is as follows:

A shredding machine broken tobacco leaf recycling device with a fire extinguishing function, which is characterized in that it includes: a shredding machine 6, the shredding machine 6 is connected to the negative pressure fan 3 through the first chip recovery pipe 2, and the negative pressure The exhaust end of the fan 3 is connected to an ash collecting box 4. A fire extinguishing device is installed above the ash collecting box 4. The fire extinguishing device can control the switch of the water source 21 by detecting sparks and detecting temperature. A fire extinguishing device is installed above the shredder 6. At the end of the inlet conveyor belt 5, an ash receiving hopper 1 is provided below the shredder 6. The bottom outlet of the ash receiving hopper 1 is connected to one end of the first debris recovery pipe 2, and the other end of the first debris recovery pipe 2 is connected. One end is connected to the negative pressure fan 3. A second debris recovery pipe 29 is provided between the exhaust end of the negative pressure fan 3 and the ash collection box 4. The fire extinguishing device is partially located on the second debris recovery pipe 29. The fire extinguishing device includes: a nozzle 16, a solenoid valve 17, a water source 21, a spark detector 18, and a thermometer 19. The nozzle 16 is installed on the ash collection box 4. The inlet of the nozzle 16 is connected to the solenoid valve 17 through a pipeline. The valve 17 is connected to the water source 21. The spark detector 18 and the thermometer 19 are installed on the second debris recovery pipe 29. The spark detector 18 is above the thermometer 19. The spark detector 18 and the thermometer 19 are electrically connected to the controller. sexual connection.

It can be understood that by adding a spark detector 18 and a rain thermometer 19 to the second debris recovery pipe 29 to monitor the shredded tobacco entering the ash collection box 4, when the generated sparks or the temperature reaches a certain threshold, the solenoid valve 17. Control the water source 21. If the threshold value is exceeded, the valve is opened, and the water source 21 is sprayed from the nozzle 16 to the inside of the ash collection box 4, thereby achieving the fire extinguishing effect.

As a further technical improvement, the fire extinguishing device includes a water spray pipeline, a detection system, and an alarm system.

A transparent full material detection window 11 is provided on the side of the dust collection box 4; a full material detection sensor 10 is provided outside the full material detection window 11, and a full material detection bracket 9 is provided on the side of the dust collection box 4. ; The full material detection sensor 10 is arranged on the full material detection bracket 9 and faces the full material detection window 11. When the material inside the dust collection box 4 exceeds a certain threshold, the full material detection sensor 10 sends a signal, and the staff can The amount of material accumulated inside the dust collection box 4 is determined through the full material detection window 11 or the observation window. The dust collection box 4 is provided with a door 13. The door 13 is provided with an observation window 14 and a handle 15. Through The handle 15 opens the door 13 to transfer the materials.

As a further technical improvement, during use, the tobacco leaves enter the shredder 6 from the entrance conveyor belt 5. At this time, the material passing sensor 8 detects that tobacco leaves are passing through, and the control system controls the negative pressure fan 3 to start; the shredder 6 cuts the tobacco leaves into Filaments; with the operation of the shredder 6, most of the shredded tobacco is sent to the next production process, but a small amount of shredded tobacco debris and dust adhere to the conveyor belt of the shredder 6 and are brought into the shredder 6 Bottom; the negative pressure fan 3 generates negative pressure, and sucks the tobacco chips and dust into the ash collection box 4 through the ash hopper 1 and the debris recovery pipe 2, thereby replacing the original collection of tobacco chips by free falling in the form of active suction. In this way, the cut tobacco scraps can be collected more thoroughly, and all the cut tobacco scraps enter the dust collection box 4. The operator only needs to pour out the tobacco scraps collected in the dust collection box 4 to complete the cleaning, saving time and effort.

As a further technical improvement, the end of the inlet conveyor belt 5 is provided with a material passing sensor bracket 7; the material passing sensor 8 is provided on the material passing sensor bracket 7.

As a further technical improvement, the fire extinguishing device detection system is provided with 18 spark detectors for spark detection and 19 temperature detectors. When the temperature meter or spark detector reaches the alarm, it immediately sends an input signal to the control system, and the alarm system sends out an alarm signal, and also includes a false alarm reset button 20.

As a further technical improvement, the fire extinguishing device includes a water spray pipeline including a water source 21, a solenoid valve 17, a nozzle 16 and a pipeline. The nozzle 16 is installed on the ash collection box 4.

The above embodiments are only exemplary embodiments of the present invention and are not used to limit the present utility model. The protection scope of the present utility model is defined by the claims. Those skilled in the art can make various modifications or equivalent substitutions to the present utility model within the essence and protection scope of the utility model. Such modifications or equivalent substitutions should also be deemed to fall within the protection scope of the utility model.

In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "inner", "front", "rear", "left", "right", etc. is based on the orientation or position shown in the drawings. relationship, or the orientation or positional relationship in which the utility model product is usually placed when in use, is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or component referred to must have a specific orientation, in a specific The orientation structure and operation of the invention cannot be construed as limitations of the present invention.

In the description of the present utility model, it should also be noted that, unless otherwise clearly stated and limited, the terms "setting" and "connection" should be understood in a broad sense. For example, it can be a fixed connection or a detachable connection. Or integrally connected; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be an internal connection between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

Claims (7)

1. The utility model provides a garrulous tobacco leaf recovery unit of filament cutter with fire extinguishing function, includes entry conveyer belt (5) and filament cutter (6), its characterized in that: the dust collecting device is characterized by further comprising a dust collecting hopper (1), a first dust recycling pipe (2), a negative pressure fan (3), a dust collecting box (4) and a control system, wherein the tail end of the inlet conveying belt (5) is positioned above the inlet of the shredder (6), the dust collecting hopper (1) is arranged below the shredder (6), one end of the first dust recycling pipe (2) is connected with the bottom outlet of the dust collecting hopper (1), the other end of the first dust recycling pipe is connected with the air inlet of the negative pressure fan (3), and the air outlet of the negative pressure fan (3) is connected with the dust collecting box (4) through a second dust recycling pipe (29);

be provided with spark detection appearance (18) and thermometer (19) on second piece recovery tube (29), spark detection appearance (18) are located thermometer (19) top, be provided with nozzle (16) on album ash box (4), nozzle (16) entry is connected with solenoid valve (17) through the pipeline, solenoid valve (17) entry is connected with water source (21), solenoid valve (17) electric part is connected with the controller, spark detection appearance (18) and thermometer (19) and controller electric connection.

2. The shredded tobacco recycling apparatus with fire extinguishing function for shredder according to claim 1, characterized in that: a transparent full material detection window (11) is arranged on the side surface of the ash collecting box (4); and a full material detection sensor (10) is arranged outside the full material detection window (11).

3. The shredded tobacco recycling apparatus with fire extinguishing function for shredder according to claim 2, characterized in that: a full material detection bracket (9) is arranged on the side surface of the ash collecting box (4); the full material detection sensor (10) is arranged on the full material detection support (9) and is opposite to the full material detection window (11).

4. The shredded tobacco recycling apparatus with fire extinguishing function for shredder according to claim 1, characterized in that: the tail end of the inlet conveyer belt (5) is provided with a material passing induction bracket (7), and a material passing inductor (8) is arranged on the material passing induction bracket (7).

5. A shredder broken tobacco leaf recycling apparatus having fire extinguishing function according to claim 3, wherein: the ash collecting box (4) is provided with a box door (13), and the box door (13) is provided with an observation window (14) and a handle (15).

6. The shredded tobacco recycling apparatus with fire extinguishing function for shredder according to claim 1, characterized in that: an air quantity adjusting switch (12) is arranged on the first scrap recycling pipe (2).

7. The shredded tobacco recycling apparatus with fire extinguishing function for shredder according to claim 1, characterized in that: the device also comprises a delay switch; the delay switch is connected with the control system.