Cleaning device for tobacco leaf conveying mesh belt of redrying machine

Abstract

The utility model discloses a redryer tobacco leaf conveying mesh belt cleaning device which comprises a spray-washing mechanism and a blowing drying mechanism, the spray-washing mechanism comprises an upper spray-washing mechanism, a lower spray-washing mechanism, a high-pressure pump and a water tank, the water suction end of the high-pressure pump is connected with the water tank, and the drainage end of the high-pressure pump is connected with the upper spray-washing mechanism and the lower spray-washing mechanism. The upper spray-washing mechanism and the lower spray-washing mechanism are arranged on the upper side and the lower side of the conveying mesh belt correspondingly and spray high-pressure washing water to the conveying mesh belt from the upper portion and the lower portion correspondingly. The blowing and drying mechanism comprises a high-pressure fan, a gas heating device and an air knife, the air knife is arranged on one side of the upper spraying and washing mechanism and located on one side of the moving direction of the conveying mesh belt, the air knife is provided with a narrow and long air outlet facing the conveying mesh belt, and airflow generated by the high-pressure fan enters the air knife after being heated by the gas heating device; the air is blown to the spray-washed conveying mesh belt through the narrow and long air outlet; according to the utility model, the conveying mesh belt can be spray-washed and quickly dried, so that the production efficiency of the redrying machine is effectively ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of tobacco leaf conveying mesh belt cleaning, in particular to a tobacco leaf conveying mesh belt cleaning device for a redrying machine. Background Art

[0002] The tunnel-type tobacco conveyor belt re-drying machine circulates the tobacco conveyor belt, and transports the materials through the hot air suspension drying area, the natural wind suspension cooling area, and the humidified suspension wind rehumidification area. Each area is equipped with a suspension fan to ensure that the materials are evenly heated and humidified. With the long-term use of the re-drying machine, the smoke oil and smoke foam generated during the production operation will accumulate for a long time and clog the mesh of the conveyor belt. In addition, during the shutdown period, the residue in the conveyor belt will become moldy, which will also cause the mesh of the conveyor belt to be blocked. When the mesh of the conveyor belt is blocked, the suspension wind system will partially fail, seriously affecting the production efficiency, resulting in low production capacity and high energy consumption of the re-drying machine. Therefore, when the mesh of the conveyor belt is blocked, it needs to be cleaned and unblocked in time. The existing cleaning and unblocking methods are mostly manual brushing, which is not only labor-intensive, but also has low cleaning and unblocking efficiency and takes a long time, which seriously affects production. Utility Model Content

[0003] The utility model aims to provide a cleaning device for tobacco leaf conveyor belt of a re-roasting machine, aiming to improve the problems of existing manual cleaning and dredging methods, such as high labor intensity, low efficiency, long time consumption and serious impact on production.

[0004] The utility model is implemented as follows: a cleaning device for a tobacco conveyor belt of a re-roasting machine, comprising a spraying mechanism and an air-blowing drying mechanism, the spraying mechanism comprising an upper spraying mechanism, a lower spraying mechanism, a high-pressure pump and a water tank, the water suction end of the high-pressure pump is connected to the water tank, the discharge end of the high-pressure pump is connected to the upper spraying mechanism and the lower spraying mechanism, the upper spraying mechanism and the lower spraying mechanism are respectively arranged on the upper and lower sides of the conveyor belt, and spray high-pressure flushing water from the top and bottom to the conveyor belt respectively; the air-blowing drying mechanism comprises a high-pressure fan, a gas heating device and an air knife, the air knife is arranged on one side of the upper spraying mechanism and is located on one side of the moving direction of the conveyor belt, the air knife has a narrow and long air outlet facing the conveyor belt, the airflow generated by the high-pressure fan is heated by the gas heating device and enters the air knife, and is blown to the conveyor belt after spraying through the narrow and long air outlet.

[0005] Furthermore, the upper spraying mechanism includes a rodless cylinder, a connecting frame, a water inlet pipe, a connecting block, a nozzle and a hose. The length direction of the rodless cylinder is along the width direction of the conveyor belt. The connecting frame is connected to the rodless cylinder. The water inlet pipe and the connecting block are installed on the connecting frame. The connecting block has a cavity, and the connecting block is provided with a water inlet and a water outlet communicated with its cavity. One end of the water inlet pipe is connected to the hose, and the other end is connected to the water inlet of the connecting block. The nozzle is installed on the water outlet of the connecting block; the structure of the lower spraying mechanism is the same as that of the upper spraying mechanism, and the direction of the nozzle is opposite.

[0006] Furthermore, the upper spray washing mechanism also includes a mounting frame and a drag chain, the rodless cylinder is mounted on the mounting frame, the mounting frame has a drag chain placement groove, the drag chain is arranged in the drag chain placement groove, one end of the drag chain is connected to the connecting frame through a connecting plate, and the hose passes through the drag chain.

[0007] Furthermore, a guide rail plate is installed on the mounting frame, and the length direction of the guide rail plate is along the width direction of the conveyor belt; an upper roller group and a lower roller group are installed on the connecting frame, and the upper roller group and the lower roller group are respectively located on the upper and lower sides of the guide rail plate.

[0008] Furthermore, each roller of the upper roller group and the lower roller group is in the shape of a pulley, and the upper and lower ends of the guide rail plate are respectively provided with guide convex strip structures that are matched with the wheel grooves of the rollers.

[0009] Furthermore, the air blowing and drying mechanism also includes an intermediate tube and multiple connecting pipes, the intermediate tube is provided with multiple air outlet joints along its length direction, the wind knife is provided with multiple air inlet joints along its length direction, the air outlet joints and the air inlet joints are connected one by one through connecting pipes; the airflow generated by the high-pressure fan is heated by the gas heating device and first enters the intermediate tube, and then enters the wind knife through the connecting pipes.

[0010] Furthermore, the spray washing mechanism also includes a liquid heating device, and the liquid heating device is used to heat the flushing water supplied to the upper spray washing mechanism and the lower spray washing mechanism.

[0011] Furthermore, it also includes an electronic control system, which includes a PLC and a touch screen, and the high-pressure pump, high-pressure fan, liquid heating device, gas heating device, rodless cylinder and re-baking machine are all electrically connected to the PLC.

[0012] Furthermore, it also includes a water receiving box, a surrounding plate and an upper cover plate, the water receiving box is located directly below the lower spraying mechanism and the wind knife, the surrounding plate is arranged at both ends of the upper spraying mechanism, the lower spraying mechanism and the wind knife, and the upper cover plate is arranged directly above the upper spraying mechanism and the wind knife.

[0013] Furthermore, silicone water baffles are provided on both sides of the upper spray washing mechanism and the wind knife. The silicone water baffles are located above the conveyor mesh belt. The upper end of the silicone water baffle is connected to the upper cover plate, and the lower end is a free end.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. The utility model can spray-wash and quickly dry the conveyor mesh belt, and can keep the mesh holes of the conveyor mesh belt transparent. After the conveyor mesh belt is dried, it directly enters the drying area, which effectively ensures the production efficiency of the re-drying machine.

[0016] 2. Compared with manual brushing of the conveyor mesh belt, the utility model can be used to clean the conveyor mesh belt, thereby reducing labor intensity, improving cleaning efficiency, and not affecting the normal use of the re-baking machine.

[0017] 3. The utility model is provided with an electric control system, which has a PLC and a touch screen, so that the utility model can be set to two control modes, manual control and automatic control, making the use of the utility model more convenient.

[0018] 4. The utility model drives the nozzle to do reciprocating motion through the rodless cylinder, which has the advantages of low failure rate, flexible speed adjustment, and comprehensive cleaning without dead angles.

[0019] 5. The spray cleaning mechanism of the utility model has a drag chain, and the water supply hose passes through the drag chain, which can effectively protect the hose.

[0020] 6. The spray washing mechanism of the utility model is also provided with a liquid heating device, through which the flushing water can be heated, thereby improving the decontamination ability of the flushing water and cleaning the conveyor mesh belt more cleanly. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is the front view of the utility model;

[0022] Figure 2 It is a three-dimensional diagram of the water receiving box, the enclosure, the upper cover plate, the silicone water retaining plate, and the upper spray washing mechanism, the lower spray washing mechanism and the air knife arranged between the water receiving box and the upper cover plate of the utility model;

[0023] Figure 3 yes Figure 2 A three-dimensional diagram of the structure shown after removing the enclosure, upper cover and silicone water retaining plate;

[0024] Figure 4 It is a three-dimensional diagram of the upper spray washing mechanism of the utility model;

[0025] Figure 5 yes Figure 4 A magnified image of area A;

[0026] Figure 6 It is a side view of the upper spray washing mechanism of the utility model;

[0027] Figure 7 It is a three-dimensional diagram of the wind knife of the utility model;

[0028] Figure 8 It is a three-dimensional diagram of the intermediate tube of the utility model;

[0029] Fig. 9 It is the electric control structure block diagram of the utility model.

[0030] In the figure: 1. Conveyor mesh belt; 2. Upper spray washing mechanism; 3. Lower spray washing mechanism; 4. Rodless cylinder; 5. Connecting frame; 6. Water inlet pipe; 7. Connecting block; 8. Spray nozzle; 9. Mounting frame; 10. Drag chain; 11. Guide plate; 12. Upper roller group; 13. Lower roller group; 14. Wind knife; 15. Middle pipe; 16. Air outlet joint; 17. Air inlet joint; 18. Connecting pipe; 19. Water receiving box; 20. Enclosure; 21. Upper cover plate; 22. Silicone water retaining plate. DETAILED DESCRIPTION

[0031] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like 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 an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0032] The following is a further description with reference to the accompanying drawings and specific embodiments:

[0033] like Figure 1 , Figure 2 , Figure 3 and Fig. 9As shown, a cleaning device for a tobacco conveying mesh belt of a redrying machine includes a spraying mechanism, an air blowing and drying mechanism, an electric control system, a water receiving box 19, a panel 20, an upper cover plate 21 and a silicone water baffle 22. The spraying mechanism includes an upper spraying mechanism 2, a lower spraying mechanism 3, a high-pressure pump and a water tank, the water suction end of the high-pressure pump is connected to the water tank, and the water discharge end of the high-pressure pump is connected to the upper spraying mechanism 2 and the lower spraying mechanism 3. The upper spraying mechanism 2 and the lower spraying mechanism 3 are respectively arranged on the upper and lower sides of the conveying mesh belt 1, and spray high-pressure washing water from the upper and lower sides to the conveying mesh belt 1 respectively. The water receiving box 19 is located directly below the lower spraying mechanism 3 and the air knife 14, the panel 20 is arranged at both ends of the upper spraying mechanism 2, the lower spraying mechanism 3 and the air knife 14, and the upper cover plate 21 is arranged directly above the upper spraying mechanism 2 and the air knife 14. The silicone water baffle plate 22 is arranged on both sides of the upper spray washing mechanism 2 and the air knife 14. The silicone water baffle plate 22 is located above the conveyor mesh belt 1. The upper end of the silicone water baffle plate 22 is connected to the upper cover plate 21, and the lower end is a free end. The conveyor mesh belt 1 passes between the upper spray washing mechanism 2 and the lower spray washing mechanism 3, and between the water receiving box 19 and the enclosure 20 and the silicone water baffle plate 22.

[0034] like Figure 4-Figure 6 As shown, the upper spray washing mechanism 2 includes a rodless cylinder 4, a connecting frame 5, a water inlet pipe 6, a connecting block 7, a nozzle 8, a hose, a mounting frame 9 and a drag chain 10. The length direction of the rodless cylinder 4 is along the width direction of the conveyor mesh belt 1, and the rodless cylinder 4 is mounted on the mounting frame 9. The connecting frame 5 is connected to the rodless cylinder 4, the water inlet pipe 6 and the connecting block 7 are mounted on the connecting frame 5, the connecting block 7 has a cavity, and the connecting block 7 is provided with a water inlet and a water outlet communicating with its cavity, one end of the water inlet pipe 6 is connected to the hose, and the other end is connected to the water inlet of the connecting block 7, and the nozzle 8 is mounted on the water outlet of the connecting block 7. The mounting frame 9 has a drag chain placement groove, and the drag chain 10 is arranged in the drag chain placement groove. One end of the drag chain 10 is connected to the connecting frame 5 through a connecting plate, and the hose passes through the drag chain 10, and the drag chain 10 can effectively protect the hose. A guide plate 11 is also installed on the mounting frame 9, and the length direction of the guide plate 11 is along the width direction of the conveyor mesh belt 1. The connecting frame 5 is provided with an upper roller group 12 and a lower roller group 13, which are respectively located at the upper and lower sides of the guide plate 11. The rollers of the upper roller group 12 and the lower roller group 13 are in the shape of pulleys, and the upper and lower ends of the guide plate 11 are respectively provided with guide convex strip structures adapted to the wheel grooves of the rollers. The mutual cooperation between the upper roller group 12, the lower roller group 13 and the guide convex strips enables the connecting frame 5 to move only along the length direction of the rodless cylinder 4 and the guide plate 11. In the upper spray washing mechanism 2, the rodless cylinder 4 is a power element, which is used to drive the connecting frame 5 and the water inlet pipe 6, the connecting block 7 and the nozzle 8 installed on the connecting frame 5 to move, and also drives the hose and one end of the drag chain 10 to move. The mutual cooperation between the upper roller group 12, the lower roller group 13 and the guide convex strips is used to limit and guide the movement of the connecting frame 5, which has the function of stabilizing the movement.

[0035] The structure of the lower spray mechanism 3 is the same as that of the upper spray mechanism 2, except that the directions of the nozzles 8 are opposite. The nozzles 8 of the lower spray mechanism 3 spray water from bottom to top, while the nozzles 8 of the upper spray mechanism 2 spray water from top to bottom.

[0036] In some exemplary embodiments, the spray washing mechanism further includes a liquid heating device, which is used to heat the flushing water delivered to the upper spray washing mechanism 2 and the lower spray washing mechanism 3. The liquid heating device can have various structural forms, such as a steam heating device, an electric heating rod device, etc. The flushing water can be heated by the liquid heating device, which can improve the decontamination ability of the flushing water and clean the conveyor mesh belt 1 more cleanly.

[0037] like Figure 1 , Figure 3 , Figure 7 and Figure 8 As shown, the air blowing and drying mechanism includes a high-pressure blower, a gas heating device, an intermediate pipe 15 of an air knife 14, and a plurality of connecting pipes 18. The air knife 14 is arranged on one side of the upper spray washing mechanism 2 and on the side of the moving direction of the conveyor mesh belt 1. The air knife 14 has a narrow and long air outlet facing the conveyor mesh belt 1. The intermediate pipe 15 is arranged on the frame of the re-drying machine. The intermediate pipe 15 is provided with a plurality of air outlet joints 16 along its length direction. The air knife 14 is provided with a plurality of air inlet joints 17 along its length direction. The air outlet joints 16 and the air inlet joints 17 are connected one by one through the connecting pipes 18. The upper cover plate 21 is provided with through holes for each connecting pipe 18 to pass through. The airflow generated by the high-pressure blower enters the intermediate pipe 15 after being heated by the gas heating device, and then enters the air knife 14 through each connecting pipe 18, and finally blows toward the conveyor mesh belt 1 after spray washing through the narrow and long air outlet of the air knife 14, so as to quickly dry the conveyor mesh belt 1.

[0038] like Fig. 9 As shown, the electric control system includes a PLC and a touch screen. The touch screen, high-pressure pump, high-pressure fan, liquid heating device, gas heating device, rodless cylinder 4 and reheating machine are all electrically connected to the PLC. In this way, the operation of each electrical component can be controlled through the touch screen. Two control modes, manual control and automatic control, can also be set. Manual control can be performed through the touch screen, and automatic control can be performed by programming an automatic control program in the PLC.

[0039] The working principle of the utility model is as follows: the high-pressure pump, high-pressure fan, liquid heating device, gas heating device and the rodless cylinder 4 of the upper spraying mechanism 2 and the lower spraying mechanism 3 are started, the high-pressure pump delivers the flushing water heated by the liquid heating device to the upper spraying mechanism 2 and the lower spraying mechanism 3, the rodless cylinder 4 of the upper spraying mechanism 2 and the lower spraying mechanism 3 drives the nozzles 8 of the upper spraying mechanism 2 and the lower spraying mechanism 3 to move along the width direction of the conveyor mesh belt 1, and sprays the conveyor mesh belt 1. The airflow generated by the high-pressure fan is heated by the gas heating device and first enters the intermediate pipe 15, then enters the wind knife 14 through each connecting pipe 18, and finally blows to the conveyor mesh belt 1 after spraying through the narrow and long air outlet of the wind knife 14, so as to quickly dry the conveyor mesh belt 1 after spraying.

[0040] Therefore, the utility model can spray wash and quickly dry the conveyor mesh belt 1, keep the mesh of the conveyor mesh belt 1 transparent, and directly enter the drying area after drying, thus effectively ensuring the production efficiency of the re-drying machine. Compared with manual brushing of the conveyor mesh belt 1, the labor intensity is reduced, the cleaning efficiency is improved, and the normal use of the re-drying machine is not affected.

[0041] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may be modified and varied in various ways. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A tobacco leaf conveying belt cleaning device for a redrying machine, characterized in that: The invention comprises a spray washing mechanism and an air-blowing drying mechanism, wherein the spray washing mechanism comprises an upper spray washing mechanism (2), a lower spray washing mechanism (3), a high-pressure pump and a water tank, wherein the water suction end of the high-pressure pump is connected to the water tank, and the water discharge end of the high-pressure pump is connected to the upper spray washing mechanism (2) and the lower spray washing mechanism (3), wherein the upper spray washing mechanism (2) and the lower spray washing mechanism (3) are respectively arranged on the upper and lower sides of the conveyor mesh belt (1), and respectively spray high-pressure washing water from the upper side and the lower side to the conveyor mesh belt (1); wherein the air-blowing drying mechanism comprises a high-pressure fan, a gas heating device and an air knife (14), wherein the air knife (14) is arranged on one side of the upper spray washing mechanism (2) and is located on one side of the moving direction of the conveyor mesh belt (1), wherein the air knife (14) has a narrow and long air outlet facing the conveyor mesh belt (1), wherein the airflow generated by the high-pressure fan is heated by the gas heating device and then enters the air knife (14), and is blown toward the conveyor mesh belt (1) after spray washing through the narrow and long air outlet.

2. The tobacco leaf conveying mesh belt cleaning device for a redrying machine according to claim 1 is characterized in that: The upper spray washing mechanism (2) comprises a rodless cylinder (4), a connecting frame (5), a water inlet pipe (6), a connecting block (7), a nozzle (8) and a hose. The length direction of the rodless cylinder (4) is along the width direction of the conveyor mesh belt (1). The connecting frame (5) is connected to the rodless cylinder (4). The water inlet pipe (6) and the connecting block (7) are mounted on the connecting frame (5). The connecting block (7) has a cavity, and the connecting block (7) is provided with a water inlet and a water outlet communicating with the cavity. One end of the water inlet pipe (6) is connected to the hose, and the other end is connected to the water inlet of the connecting block (7). The nozzle (8) is mounted on the water outlet of the connecting block (7). The structure of the lower spray washing mechanism (3) is the same as that of the upper spray washing mechanism (2), and the nozzle (8) is oriented in the opposite direction.

3. The tobacco leaf conveying mesh belt cleaning device for a redrying machine according to claim 2 is characterized in that: The upper spray washing mechanism (2) further comprises a mounting frame (9) and a drag chain (10), the rodless cylinder (4) being mounted on the mounting frame (9), the mounting frame (9) being provided with a drag chain placement groove, the drag chain (10) being arranged in the drag chain placement groove, one end of the drag chain (10) being connected to the connecting frame (5) via a connecting plate, and the hose passing through the drag chain (10).

4. The tobacco leaf conveying mesh belt cleaning device for a redrying machine according to claim 3 is characterized in that: A guide rail plate (11) is also mounted on the mounting frame (9), and the length direction of the guide rail plate (11) is along the width direction of the conveyor mesh belt (1); an upper roller group (12) and a lower roller group (13) are mounted on the connecting frame (5), and the upper roller group (12) and the lower roller group (13) are respectively located on the upper and lower sides of the guide rail plate (11).

5. The tobacco leaf conveying mesh belt cleaning device for a redrying machine according to claim 4, characterized in that: The rollers of the upper roller group (12) and the lower roller group (13) are in the shape of pulleys, and the upper and lower ends of the guide rail plate (11) are respectively provided with guide convex strip structures that match the wheel grooves of the rollers.

6. The tobacco leaf conveying mesh belt cleaning device for a redrying machine according to claim 1, characterized in that: The air blowing and drying mechanism further comprises an intermediate tube (15) and a plurality of connecting pipes (18); the intermediate tube (15) is provided with a plurality of air outlet joints (16) along its length direction; the air knife (14) is provided with a plurality of air inlet joints (17) along its length direction; the air outlet joints (16) and the air inlet joints (17) are connected one by one via the connecting pipes (18); the airflow generated by the high-pressure fan is heated by the gas heating device and then enters the intermediate tube (15) and then enters the air knife (14) via the connecting pipes (18).

7. The tobacco leaf conveying mesh belt cleaning device for a redrying machine according to claim 1, characterized in that: The spray washing mechanism further comprises a liquid heating device, wherein the liquid heating device is used to heat the flushing water supplied to the upper spray washing mechanism (2) and the lower spray washing mechanism (3).

8. The tobacco leaf conveying mesh belt cleaning device for a redrying machine according to claim 7, characterized in that: It also includes an electric control system, which includes a PLC and a touch screen, and the high-pressure pump, high-pressure fan, liquid heating device, gas heating device, rodless cylinder (4) and re-baking machine are all electrically connected to the PLC.

9. A tobacco leaf conveying belt cleaning device for a redrying machine according to any one of claims 1 to 8, characterized in that: It also includes a water receiving box (19), a surrounding plate (20) and an upper cover plate (21), wherein the water receiving box (19) is located directly below the lower spraying mechanism (3) and the air knife (14), the surrounding plate (20) is arranged at both ends of the upper spraying mechanism (2), the lower spraying mechanism (3) and the air knife (14), and the upper cover plate (21) is arranged directly above the upper spraying mechanism (2) and the air knife (14).

10. A tobacco leaf conveying mesh belt cleaning device for a redrying machine according to claim 9, characterized in that: A silicone water baffle (22) is provided on both sides of the upper spray washing mechanism (2) and the air knife (14); the silicone water baffle (22) is located above the conveyor mesh belt (1); the upper end of the silicone water baffle (22) is connected to the upper cover plate (21), and the lower end is a free end.

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