Discharging mechanism for residual gas in rolling barrel

Abstract

The invention relates to the technical field of roll barrel production, in particular to a discharge mechanism for residual gas in a roll barrel, which comprises a conveyor belt, a roll barrel, a limiting assembly, a positioning assembly and an exhaust assembly, the rolling barrel is conveyed on the conveying belt after being produced, a material pipe and an air pipe are arranged on the rolling barrel, the two fixing frames are fixedly and symmetrically arranged on the ground on the two sides of the conveying belt, and guide plates are fixedly arranged on the fixing frames and located above the conveying belt. The limiting assembly is arranged at the side end of the conveying belt, and the positioning assembly and the exhaust assembly are arranged on the fixing frame. A produced rolling barrel on the conveying belt is stopped through the limiting assembly, then the positioning assembly on the fixing frame clamps the rolling barrel and completes positioning, an inflation pipe and an exhaust pipe in the exhaust assembly stretch into the rolling barrel, residual harmful gas in the rolling barrel is exhausted, automatic exhaust is achieved in the process, and the production efficiency is improved. And residual harmful gas in the rolling barrel is prevented from being sucked by subsequent production workers during operation, and the health of the workers is guaranteed.

Description

Technical Field

[0001] The present invention relates to the technical field related to roll barrel production, and in particular to a mechanism for discharging residual gas in a roll barrel. Background Art

[0002] Packaging barrels are one of the traditional containers and occupy a very important position among traditional containers. Packaging barrels have evolved from the function of temporarily storing the contents to today's industrial packaging, sales packaging, transportation packaging, etc.; from production to circulation and consumption, they have formed a consistent flow container and become a means of long-term preservation of the contents. It can be said that packaging barrels have brought great changes and progress to human work and life. Packaging barrels have excellent mechanical properties and high strength. Therefore, packaging barrels need to be made into thin-walled, high-compression-resistant packaging containers that are not easy to break, so that the safety of the packaged products is reliably guaranteed and easy to store, transport, load and unload and use. However, in the above scheme and the prior art, most roll barrels are produced on an automatic production line through steps such as welding and painting, and harmful gases are inevitably generated during the process. After the roll barrel is produced, the harmful gases remain inside, affecting the health of workers.

[0003] Therefore, we need a discharge mechanism for residual gas in the roll barrel to solve the problem of residual harmful gas inside the existing roll barrel after production is completed. The residual toxic gas in the roll barrel can be automatically discharged to protect the health of workers. Summary of the Invention

[0004] The purpose of the present invention is to provide a mechanism for discharging residual gas in a roll drum, so as to solve the problem of residual harmful gas in the roll drum after the roll drum is produced as mentioned in the background art.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a mechanism for discharging residual gas in a roll barrel comprises a conveyor belt, a roll barrel, a limiting assembly, a positioning assembly and an exhaust assembly; the roll barrel is transported on a conveyor belt after production, and a material pipe and an air pipe are provided on the roll barrel. Two fixing frames are provided and fixedly and symmetrically arranged on the ground on both sides of the conveyor belt, and a guide plate is fixedly arranged on the fixing frame, and the guide plate is located above the conveyor belt; the limiting assembly is arranged at the side end of the conveyor belt, and the positioning assembly and the exhaust assembly are arranged on the fixing frame.

[0006] Preferably, the limiting assembly includes a fixed rod, a square tube, a square hole, a first motor, a gear, a blocking rod, a limiting block and a rack; the fixed rod is fixedly arranged on the ground at the side end of the conveyor belt, a square tube is fixedly arranged on the fixed rod, and a square hole is opened on the side wall of the square tube; the first motor is fixedly arranged on the fixed rod, and the output shaft of the first motor passes through the fixed rod and is fixedly connected to the gear; the blocking rod is sleeved on the square tube, and the blocking rod and the fixed rod are arranged perpendicularly; limiting blocks are symmetrically fixed at both ends of the side wall of the blocking rod, and a rack is fixedly arranged on the upper end of the blocking rod.

[0007] Preferably, the positioning assembly includes a fixed plate, a first electric telescopic rod, a mounting plate, an auxiliary wheel, a roller, a connecting column, a second electric telescopic rod, a push plate, a first arc groove and a second arc groove; the fixed plate is fixedly arranged on the fixed frame, the bottom end of the fixed plate is fixedly provided with the first electric telescopic rod, the end of the first electric telescopic rod is fixedly provided with a mounting plate, the bottom end of the mounting plate is fixedly provided with an auxiliary wheel, and the auxiliary wheel contacts the guide plate; the roller is symmetrically arranged on the mounting plate through a connecting rod, and both ends of the roller are rotatably connected to the connecting rod; the two ends of the connecting column are respectively fixedly connected to the fixed frames on both sides, and the second electric telescopic rod is fixedly arranged on the fixed frame; the push plates are symmetrically provided with two, one side of the push plate is movably socketed with the connecting column, and the other side of the push plate is fixedly connected to the end of the second electric telescopic rod; one end of the push plate side wall is provided with a first arc groove, and the other end of the push plate side wall is provided with a second arc groove.

[0008] Preferably, the exhaust assembly includes a fixing column, a threaded column, a second motor, a lifting plate, a mounting piece, an inflation tube, an exhaust tube, a first rubber gasket and a second rubber gasket; the fixing column and the threaded column are symmetrically arranged, the fixing column is arranged on a fixing frame on one side, and the threaded column is arranged on a fixing frame on the other side; both ends of the fixing column are fixedly connected to the fixing frame and the fixing plate respectively, and both ends of the threaded column are rotatably connected to the fixing frame and the fixing plate respectively, and the threaded column passes through the fixing frame and is fixedly connected to the output shaft of the second motor, and the second motor is fixedly arranged on the fixing frame; one end of the lifting plate is movably socketed with the fixing column, and the other end of the lifting plate is threadedly connected to the threaded column, and a mounting piece is fixedly arranged at the bottom end of the lifting plate; an inflation tube is fixedly arranged on one side of the mounting piece, and an exhaust tube is fixedly arranged on the other side; the inflation tube is socketed with a first rubber gasket, and the exhaust tube is socketed with a second rubber gasket, and the first rubber gasket and the second rubber gasket are both fixedly connected to the mounting piece.

[0009] Preferably, the square hole, gear and rack are arranged in corresponding positions and in the same number of groups, the square hole is slidably engaged with the rack, and the gear and rack are meshed; the limit block is engaged with the square tube.

[0010] Preferably, two of the first electric telescopic rods and the second electric telescopic rods are symmetrically arranged about the conveyor belt, the two first electric telescopic rods work synchronously, and the two second electric telescopic rods work synchronously.

[0011] Preferably, the first arc groove corresponds to the setting position of the material pipe, and the first arc groove is clamped with the material pipe; the second arc groove corresponds to the setting position of the air pipe, and the second arc groove is clamped with the air pipe.

[0012] Preferably, the inflation pipe and the material pipe have corresponding setting positions and the same number of setting groups, the inflation pipe and the material pipe are plugged in, the inflation pipe port extends into the roll barrel and is located at the bottom end of the roll barrel, and the other end of the inflation pipe is connected to the blower; the exhaust pipe and the air pipe have corresponding setting positions and the same number of setting groups, the exhaust pipe and the air pipe are plugged in, the exhaust pipe port extends into the roll barrel and is located at the upper end of the roll barrel, and the other end of the exhaust pipe is connected to the exhaust gas treatment device.

[0013] Preferably, the mounting piece is clamped to the upper end of the push plate; the first rubber gasket corresponds to the setting position of the first arc groove, the first rubber gasket is clamped to the first arc groove, and the first rubber gasket is clamped to the material pipe; the second rubber gasket corresponds to the setting position of the second arc groove, the second rubber gasket is clamped to the second arc groove, and the second rubber gasket is clamped to the air pipe.

[0014] Compared with the prior art, this application has the following beneficial effects: The finished roll barrel on the conveyor belt is blocked by the limiting component, and then the positioning component on the fixed frame clamps the roll barrel and completes the positioning. The inflation pipe and exhaust pipe in the exhaust component extend into the roll barrel to discharge the remaining harmful gas in the roll barrel. Automatic exhaust is achieved in the process to prevent subsequent production workers from inhaling the remaining harmful gas in the roll barrel during operation, thereby ensuring the health of the workers. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the present invention; Figure 2 This is a schematic diagram of the connection of the fixing frame structure of the present invention; Figure 3 For the present invention Figure 1 A partial enlarged view of point A in the middle; Figure 4 For the present invention Figure 2 A partial enlarged view of point B in the middle; Figure 5 This is a schematic diagram of the connection of the fixing rod structure of the present invention; Figure 6 This is a schematic diagram of the connection of the barrier rod structure of the present invention; Figure 7 This is a schematic diagram of the structural connection of the mounting member of the present invention.

[0016] In the figure: conveyor belt 1, drum 2, material pipe 3, air pipe 4, fixed rod 5, square tube 6, square hole 7, first motor 8, gear 9, blocking rod 10, limit block 11, rack 12, fixing frame 13, guide plate 14, fixing plate 15, first electric telescopic rod 16, mounting plate 17, auxiliary wheel 18, roller 19, connecting column 20, second electric telescopic rod 21, push plate 22, first arc groove 23, second arc groove 24, fixing column 25, threaded column 26, second motor 27, lifting plate 28, mounting part 29, inflation tube 30, exhaust pipe 31, first rubber gasket 32, second rubber gasket 33. DETAILED DESCRIPTION

[0017] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0018] In order to clearly and completely describe the objectives and technical solutions of the present invention and make the advantages more clearly understood, the embodiments of the present invention are further described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are part of the embodiments of the present invention, not all of them, and are only used to explain the embodiments of the present invention, not to limit the embodiments of the present invention. All other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0019] In the description of the present invention, it should be noted that the terms "center," "middle," "upper," "lower," "left," "right," "inner," "outer," "top," "bottom," "side," "vertical," "horizontal," and the like, indicating positions or location relationships, are based on the positions or location relationships shown in the accompanying drawings and are intended only to facilitate the description of the present invention and simplify the description. They are not intended to indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limiting the present invention. Furthermore, the terms "one," "first," "second," "third," "fourth," "fifth," and "sixth" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0020] In the description of the present invention, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed, detachable, or integral connections; mechanical or electrical connections; direct or indirect connections through an intermediate medium; and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on the specific circumstances.

[0021] For the purpose of simplicity and illustration, the principles of the embodiments are described primarily with reference to examples. In the following description, many specific details are provided to provide a thorough understanding of the embodiments. However, it will be apparent to those skilled in the art that these embodiments may not be limited to these specific details in practice. In some instances, well-known methods and structures are not described in detail to avoid unnecessarily obscuring the understanding of these embodiments. In addition, all embodiments may be used in combination with each other.

[0022] Example 1 See also Figures 1 to 7 , a discharge mechanism for residual gas in a roll barrel: comprises a conveyor belt 1, a roll barrel 2, a limiting component, a positioning component and an exhaust component; the roll barrel 2 is transported on the conveyor belt 1 after production, and a material pipe 3 and an air pipe 4 are provided on the roll barrel 2, two fixing frames 13 are provided and fixedly and symmetrically arranged on the ground on both sides of the conveyor belt 1, and a guide plate 14 is fixedly arranged on the fixing frame 13, and the guide plate 14 is located above the conveyor belt 1; the limiting component is arranged at the side end of the conveyor belt 1, and the positioning component and the exhaust component are arranged on the fixing frame 13; the fixing rod 5 in the limiting component is fixedly arranged on the ground at the side end of the conveyor belt 1, and the fixing rod 5 is fixedly provided with a square tube 6, and a square hole 7 is opened on the side wall of the square tube 6; the first motor 8 is fixedly provided on the fixed rod 5, and the output shaft of the first motor 8 passes through the fixed rod 5 and is fixedly connected to the gear 9; the blocking rod 10 is sleeved on the square tube 6, and the blocking rod 10 is arranged perpendicular to the fixed rod 5; limit blocks 11 are symmetrically fixed at both ends of the side wall of the blocking rod 10, and a rack 12 is fixedly provided on the upper end of the blocking rod 10; the square hole 7, the gear 9 and the rack 12 are arranged in corresponding positions and the same number of groups are set, the square hole 7 is slidably engaged with the rack 12, and the gear 9 and the rack 12 are engaged; the limit block 11 is engaged with the square tube 6.

[0023] In actual use, after the roll barrel 2 is produced, it is transported on the conveyor belt 1. At this time, the first motor 8 starts to drive the gear 9 to rotate, and the gear 9 engages the rack 12, so that the blocking rod 10 moves to the right. The roll barrel 2 collides with the guide plate 14 and deviates to the middle of the conveyor belt 1. Then the roll barrel 2 is engaged with the blocking rod 10, and the conveyor belt 1 stops. The positioning component clamps the roll barrel 2 to complete the positioning, and the exhaust component discharges the harmful gas in the roll barrel 2. Then the conveyor belt 1 is started again, and the first motor 8 starts to drive the gear 9 to rotate in the opposite direction, so that the blocking rod 10 moves to the left, and the roll barrel 2 is transported away and the harmful gas treatment of the next roll barrel 2 is carried out.

[0024] Example 2 On the basis of the first embodiment, in order to make the drum 2 in a stable state when the drum 2 is exhausted, it is convenient for the pipe in the exhaust assembly to be accurately extended into the drum 2 for exhaust. The fixing plate 15 in the positioning assembly is fixedly set on the fixing frame 13, and the bottom end of the fixing plate 15 is fixedly provided with a first electric telescopic rod 16, and the end of the first electric telescopic rod 16 is fixedly provided with a mounting plate 17, and the bottom end of the mounting plate 17 is fixedly provided with an auxiliary wheel 18, and the auxiliary wheel 18 is in contact with the guide plate 14; the roller 19 is symmetrically set on the mounting plate 17 through a connecting rod, and the two ends of the roller 19 are rotatably connected to the connecting rod; the two ends of the connecting column 20 are respectively fixedly connected to the fixing frames 13 on both sides, and the second electric telescopic rod 21 is fixedly set on the fixing frame 13; there are two symmetrical push plates 22, and one side of the push plate 22 is connected to the The connecting column 20 is movably sleeved, and the other side of the push plate 22 is fixedly connected to the end of the second electric telescopic rod 21; a first arc groove 23 is opened at one end of the side wall of the push plate 22, and a second arc groove 24 is opened at the other end of the side wall of the push plate 22; two first electric telescopic rods 16 and two second electric telescopic rods 21 are symmetrically arranged about the conveyor belt 1, the two first electric telescopic rods 16 work synchronously, and the two second electric telescopic rods 21 work synchronously; the first arc groove 23 corresponds to the setting position of the material pipe 3, and the first arc groove 23 is clamped with the material pipe 3; the second arc groove 24 corresponds to the setting position of the air pipe 4, and the second arc groove 24 is clamped with the air pipe 4.

[0025] During actual use, the reel barrel 2 is engaged with the blocking rod 10. After the conveyor belt 1 stops, the two first electric telescopic rods 16 work synchronously to push the mounting plates 17 on both sides of the reel barrel 2 to move closer to the reel barrel 2 until the rollers 19 on the mounting plates 17 on both sides are engaged with the reel barrel 2 and thus clamp the reel barrel 2. After that, the two second electric telescopic rods 21 work synchronously to push the two push plates 22 to move, and the material pipe 3 or the air pipe 4 on the reel barrel 2 is engaged with the push plate 22 on one side. During the movement of the push plate 22, the reel barrel 2 is driven to rotate until the first arc groove 23 is engaged with the material pipe 3 and the second arc groove 24 is engaged with the air pipe 4, completing the positioning of the reel barrel 2. After the reel barrel 2 is exhausted, the positioning assembly is reset to facilitate the exhaust work of the next reel barrel 2.

[0026] Example 3 On the basis of the second embodiment, in order to fully discharge the harmful gas in the drum 2 after the drum 2 is produced, the harmful gas is avoided from remaining in the drum 2. The fixed column 25 and the threaded column 26 in the exhaust assembly are symmetrically arranged, the fixed column 25 is arranged on the fixing frame 13 on one side, and the threaded column 26 is arranged on the fixing frame 13 on the other side; the two ends of the fixed column 25 are fixedly connected to the fixing frame 13 and the fixing plate 15 respectively, and the two ends of the threaded column 26 are rotatably connected to the fixing frame 13 and the fixing plate 15 respectively, and the threaded column 26 passes through the fixing frame 13 and is fixedly connected to the output shaft of the second motor 27, and the second motor 27 is fixedly arranged on the fixing frame 13; one end of the lifting plate 28 is movably connected to the fixed column 25, and the other end of the lifting plate 28 is threadedly connected to the threaded column 26, and a mounting part 29 is fixedly provided at the bottom end of the lifting plate 28; an inflation tube 30 is fixedly provided on one side of the mounting part 29, and an exhaust pipe 31 is fixedly provided on the other side; the inflation tube 30 is sleeved with a first rubber gasket 32, and the exhaust pipe 31 is sleeved with a second rubber gasket 33, the first rubber gasket 32 ​​and the second The rubber washers 33 are all fixedly connected to the mounting parts 29; the setting position of the inflation tube 30 corresponds to that of the material tube 3 and the number of setting groups is the same. The inflation tube 30 is plugged into the material tube 3, and the end of the inflation tube 30 extends into the reel barrel 2 and is located at the bottom end of the reel barrel 2, and the other end of the inflation tube 30 is connected to the blower; the setting position of the exhaust tube 31 corresponds to that of the air tube 4 and the number of setting groups is the same. The exhaust tube 31 is plugged into the air tube 4, and the end of the exhaust tube 31 extends into the reel barrel 2 and is located at the upper end of the reel barrel 2, and the other end of the exhaust tube 31 is connected to the exhaust gas treatment device; the mounting part 29 is clamped with the upper end of the push plate 22; the first rubber washer 32 corresponds to the setting position of the first arc groove 23, the first rubber washer 32 is clamped with the first arc groove 23, and the first rubber washer 32 is clamped with the material tube 3; the second rubber washer 33 corresponds to the setting position of the second arc groove 24, the second rubber washer 33 is clamped with the second arc groove 24, and the second rubber washer 33 is clamped with the air tube 4.

[0027] When the second motor 27 is started and drives the threaded column 26 to rotate, the lifting plate 28 is controlled to move downward, so that the inflation tube 30 is plugged into the material tube 3 and the exhaust tube 31 is plugged into the air tube 4, until the mounting part 29 is engaged with the upper end of the push plate 22. At this time, the first rubber gasket 32 ​​is engaged with the first arc groove 23 and engaged with the material tube 3, and the second rubber gasket 33 is engaged with the second arc groove 24 and engaged with the air tube 4; at this time, the end of the inflation tube 30 extends into the bottom end of the reel barrel 2, and the end of the exhaust tube 31 extends into the reel barrel 2 and is located at the upper end of the reel barrel 2. At the same time, the device has good airtightness, the inflation tube 30 inflates the reel barrel 2, and the gas in the reel barrel 2 is discharged from the exhaust tube 31. After a period of time, the exhaust process of the harmful gas in the reel barrel 2 is completed, and the second motor 27 is started and drives the threaded column 26 to rotate in the opposite direction, so that the lifting plate 28 moves upward until the end of the inflation tube 30 is located at the upper end of the push plate 22, and then the exhaust process of the next reel barrel 2 is carried out.

[0028] Although the above describes the illustrative specific implementation methods of the present application so that those skilled in the art can understand the present application, the present application is not limited to the scope of the specific implementation methods. For those of ordinary skill in the art, as long as various changes are within the spirit and scope of the present application defined and determined by the attached claims, all application creations based on the concept of the present application are protected.

Claims

1. The exhaust mechanism of the residual gas in the drum is characterized by: The invention comprises a conveyor belt (1), a roll barrel (2), a limit assembly, a positioning assembly and an exhaust assembly; the roll barrel (2) is transported on the conveyor belt (1) after production, the roll barrel (2) is provided with a material pipe (3) and an air pipe (4), two fixing frames (13) are provided and fixedly and symmetrically arranged on the ground on both sides of the conveyor belt (1), and a guide plate (14) is fixedly arranged on the fixing frame (13), and the guide plate (14) is located above the conveyor belt (1); the limit assembly is arranged at the side end of the conveyor belt (1), and the positioning assembly and the exhaust assembly are arranged on the fixing frame (13).

2. The exhaust mechanism for residual gas in a roll barrel according to claim 1, characterized in that: The limiting assembly comprises a fixed rod (5), a square tube (6), a square hole (7), a first motor (8), a gear (9), a blocking rod (10), a limiting block (11) and a rack (12); the fixed rod (5) is fixedly arranged on the ground at the side end of the conveyor belt (1), the fixed rod (5) is fixedly provided with a square tube (6), and a square hole (7) is opened on the side wall of the square tube (6); the first motor (8) is fixedly arranged on the fixed rod (5), and the output shaft of the first motor (8) passes through the fixed rod (5) and is fixedly connected to the gear (9); the blocking rod (10) is sleeved on the square tube (6), and the blocking rod (10) and the fixed rod (5) are arranged vertically; the limiting blocks (11) are symmetrically fixedly provided at both ends of the side wall of the blocking rod (10), and the rack (12) is fixedly provided at the upper end of the blocking rod (10).

3. The exhaust mechanism for residual gas in a roll barrel according to claim 1, characterized in that: The positioning assembly comprises a fixed plate (15), a first electric telescopic rod (16), a mounting plate (17), an auxiliary wheel (18), a roller (19), a connecting column (20), a second electric telescopic rod (21), a push plate (22), a first arc groove (23) and a second arc groove (24); the fixed plate (15) is fixedly arranged on the fixed frame (13); the first electric telescopic rod (16) is fixedly arranged at the bottom end of the fixed plate (15); the end of the first electric telescopic rod (16) is fixedly arranged with the mounting plate (17); the bottom end of the mounting plate (17) is fixedly arranged with the auxiliary wheel (18); the auxiliary wheel (18) is connected to the guide plate (14) The roller (19) is symmetrically arranged on the mounting plate (17) through a connecting rod, and both ends of the roller (19) are rotatably connected to the connecting rod; both ends of the connecting column (20) are fixedly connected to the fixing frames (13) on both sides, and the second electric telescopic rod (21) is fixedly arranged on the fixing frame (13); two push plates (22) are symmetrically arranged, one side of the push plate (22) is movably connected to the connecting column (20), and the other side of the push plate (22) is fixedly connected to the end of the second electric telescopic rod (21); a first arc groove (23) is opened at one end of the side wall of the push plate (22), and a second arc groove (24) is opened at the other end of the side wall of the push plate (22).

4. The exhaust mechanism for residual gas in a roll barrel according to claim 1, characterized in that: The exhaust assembly comprises a fixed column (25), a threaded column (26), a second motor (27), a lifting plate (28), a mounting member (29), an air filling tube (30), an exhaust tube (31), a first rubber gasket (32) and a second rubber gasket (33); the fixed column (25) and the threaded column (26) are symmetrically arranged, the fixed column (25) is arranged on a fixed frame (13) on one side, and the threaded column (26) is arranged on a fixed frame (13) on the other side; the two ends of the fixed column (25) are respectively fixedly connected to the fixed frame (13) and the fixed plate (15), the two ends of the threaded column (26) are respectively rotatably connected to the fixed frame (13) and the fixed plate (15), and the threaded column (26) passes through the fixed frame (13) is fixedly connected to the output shaft of the second motor (27), and the second motor (27) is fixedly arranged on the fixing frame (13); one end of the lifting plate (28) is movably sleeved with the fixing column (25), and the other end of the lifting plate (28) is threadedly connected to the threaded column (26), and a mounting member (29) is fixedly arranged at the bottom end of the lifting plate (28); an inflation tube (30) is fixedly arranged on one side of the mounting member (29), and an exhaust tube (31) is fixedly arranged on the other side; the inflation tube (30) is sleeved with a first rubber gasket (32), and the exhaust tube (31) is sleeved with a second rubber gasket (33), and both the first rubber gasket (32) and the second rubber gasket (33) are fixedly connected to the mounting member (29).

5. The exhaust mechanism for residual gas in a roll barrel according to claim 2, characterized in that: The square hole (7), the gear (9) and the rack (12) are arranged at corresponding positions and are arranged in the same number of groups. The square hole (7) and the rack (12) are slidably engaged, and the gear (9) and the rack (12) are meshed. The limit block (11) is engaged with the square tube (6).

6. The exhaust mechanism for residual gas in a roll barrel according to claim 3, characterized in that: Two of the first electric telescopic rods (16) and the second electric telescopic rods (21) are symmetrically arranged with respect to the conveyor belt (1); the two first electric telescopic rods (16) operate synchronously, and the two second electric telescopic rods (21) operate synchronously.

7. The exhaust mechanism for residual gas in a roll barrel according to claim 3, characterized in that: The first arc groove (23) corresponds to the setting position of the material pipe (3), and the first arc groove (23) is clamped with the material pipe (3); the second arc groove (24) corresponds to the setting position of the air pipe (4), and the second arc groove (24) is clamped with the air pipe (4).

8. The exhaust mechanism for residual gas in a roll barrel according to claim 4, characterized in that: The inflation pipe (30) and the material pipe (3) are arranged at corresponding positions and are arranged in the same number of groups. The inflation pipe (30) is plugged into the material pipe (3). The end of the inflation pipe (30) extends into the reel barrel (2) and is located at the bottom end of the reel barrel (2). The other end of the inflation pipe (30) is connected to the blower. The exhaust pipe (31) and the air pipe (4) are arranged at corresponding positions and are arranged in the same number of groups. The exhaust pipe (31) is plugged into the air pipe (4). The end of the exhaust pipe (31) extends into the reel barrel (2) and is located at the upper end of the reel barrel (2). The other end of the exhaust pipe (31) is connected to the exhaust gas treatment device.

9. The exhaust mechanism for residual gas in a roll barrel according to claim 4, characterized in that: The mounting member (29) is clamped to the upper end of the push plate (22); the first rubber gasket (32) corresponds to the setting position of the first arc groove (23), the first rubber gasket (32) is clamped to the first arc groove (23), and the first rubber gasket (32) is clamped to the material pipe (3); the second rubber gasket (33) corresponds to the setting position of the second arc groove (24), the second rubber gasket (33) is clamped to the second arc groove (24), and the second rubber gasket (33) is clamped to the air pipe (4).

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