Paper barrel end sealing plate gluing assembly line

Abstract

The invention relates to the technical field of paper barrel production, in particular to a paper barrel end sealing plate gluing assembly line which comprises a door vertical frame, a rotating disc, a workbench and a pressing device, the rotating disc is horizontally and rotatably installed at the inner bottom of the door vertical frame, the workbench is vertically installed on the rotating disc, and the pressing device is installed at the top of the door vertical frame. An automatic plate placing mechanism and a set of automatic feeding and gluing system are arranged on one side of the door vertical frame, a supplied material conveying mechanism and a discharged material conveying mechanism are arranged on the other side of the door vertical frame, a gap is reserved between the supplied material conveying mechanism and the discharged material conveying mechanism, and the gap right faces one set of workbenches and forms a manual operation station. The discharging conveying mechanism is further provided with another automatic feeding and gluing system, and the side, away from the door vertical frame, of the discharging conveying mechanism is further provided with an automatic discharging mechanism. The full-paper barrel production line is simple in overall structure and stable in operation, single-person auxiliary operation can be achieved, and the production efficiency of full-paper barrels is greatly improved on the premise that most work can be automatically operated.

Description

Technical Field

[0001] The present application relates to the technical field of paper barrel production, and particularly to a glue - coating and assembly production line for the end sealing plates of paper barrels. Background Art

[0002] A full - paper barrel is a packaging container made entirely of paper materials bonded together. Generally, a full - paper barrel includes a barrel body and a barrel lid. When producing the barrel body and the barrel lid of a full - paper barrel, it is necessary to first roll a paper sheet into a cylindrical structure in advance, then perform stamping treatment on the end of the cylindrical structure to form an inward - arranged annular flange, and then bond and fix a circular end sealing plate to the annular flange to form the barrel body or the barrel lid.

[0003] For example, Chinese Patent with application number CN202410668864.4 discloses a paper barrel bottom - pasting machine, which includes a first door - type stand, a second door - type stand and a bracket. An adjustable storage rack for holding paper sheets is arranged on the first door - type stand, and a moving module for adsorbing and moving paper sheets is arranged on the bracket; a glue - coating roller mechanism for coating glue on paper sheets is arranged on the second door - type stand, and the glue - coating roller mechanism includes an upper glue - coating roller, a lower glue - coating roller and a glue tray for holding glue.

[0004] Regarding the above - mentioned related technologies, the inventor believes that there are the following technical defects to be improved:

[0005] For some products, it may be necessary to perform bottom - sealing work twice. For example, one of the sealing plates serves as a core support structure, and the other sealing plate serves as a surface decoration structure. However, common paper barrel bottom - pasting machines can only complete bottom - sealing work once. If two devices are used to complete bottom - sealing work twice respectively, a large amount of workpiece and sealing plate turnover work is involved in the middle, which is not conducive to efficient single - person operation and the production efficiency is not high. Summary of the Invention

[0006] The present application provides a glue - coating and assembly production line for the end sealing plates of paper barrels to improve the following technical problems:

[0007] Common paper barrel bottom - pasting machines can only complete bottom - sealing work once. If two devices are used to complete bottom - sealing work twice respectively, a large amount of workpiece and sealing plate turnover work is involved in the middle, which is not conducive to efficient single - person operation and the production efficiency is not high.

[0008] The present application provides a glue - coating and assembly production line for the end sealing plates of paper barrels, adopting the following technical solutions:

[0009] A glue - applying and assembling production line for the end sealing plate of a paper barrel, comprising a door - type vertical frame, a turntable, at least four groups of workbenches and at least two groups of pressing devices. The turntable is horizontally and rotatably installed at the inner bottom of the door - type vertical frame and is driven by a servo - motor to rotate intermittently. Multiple groups of the workbenches are vertically and spacedly installed on the turntable. The pressing devices are installed at the top of the door - type vertical frame and are used to press the sealing plate coated with glue onto the blank workpiece. An automatic plate - placing mechanism and a set of automatic feeding and glue - applying systems are arranged on one side of the door - type vertical frame. A feeding conveying mechanism and a discharging conveying mechanism are arranged on the other side of the door - type vertical frame. There is a gap between the feeding conveying mechanism and the discharging conveying mechanism, and the gap is opposite to one of the groups of workbenches to form a manual operation station. Another set of automatic feeding and glue - applying systems is also arranged on the discharging conveying mechanism. An automatic blanking mechanism is further arranged on the side of the discharging conveying mechanism away from the door - type vertical frame.

[0010] In a feasible technical solution of the present application, the automatic feeding and glue - applying system includes a frame and a sealing - plate material box, a roller - type glue - applying machine, a feeding table and a turnover table installed on the frame. The feeding table is located on the inlet side of the roller - type glue - applying machine, and the turnover table is located on the outlet side of the roller - type glue - applying machine. The frame is also provided with an automatic plate - taking and feeding mechanism, which is used to individually adsorb and fix the sealing plates in the sealing - plate material box and linearly convey the sealing plates to the feeding table and put them down. The sealing plates on the feeding table are transported through the roller - type glue - applying machine during the process of being transported to the turnover table to complete the automatic glue - applying work.

[0011] In a feasible technical solution of the present application, a conveying belt for transporting the sealing plates is arranged on the feeding table, and multiple groups of pulley structures for transporting the sealing plates are arranged on the turnover table. There are gaps between adjacent pulley structures, and the gaps are used to avoid contacting the glue on the lower surface of the sealing plates.

[0012] In a feasible technical solution of the present application, the automatic plate - taking and feeding mechanism includes a bracket, a linear sliding module, a moving vertical plate, a lifting power unit and multiple groups of suction cups I. The linear sliding module is horizontally installed on the bracket, the moving vertical plate is fixed on the sliding block of the linear sliding module, the lifting power unit is installed on the outer side of the moving vertical plate, and the lifting power unit is used to drive multiple groups of suction cups I to rise or fall.

[0013] In a feasible technical solution of the present application, the lifting power unit includes a lifting cylinder and a lifting plate. The lifting cylinder is vertically installed on the moving vertical plate, the lifting plate is horizontally arranged and fixed at the bottom of the telescopic rod of the lifting cylinder, and multiple groups of suction cups I are spacedly installed on the lifting plate.

[0014] In an implementable technical solution of the present application, two guiding rods are vertically fixed on the lifting plate, two guiding cylinders are arranged on the movable vertical plate, and the guiding rods penetrate and are slidably assembled in the guiding cylinders; the positions of at least one group of the first suction cups are adjustable relative to the lifting plate.

[0015] In an implementable technical solution of the present application, the pressing device includes a hydraulic cylinder and a pressing plate. The hydraulic cylinder is vertically and fixedly installed on the top of the door vertical frame, and the pressing plate is horizontally arranged and fixed to the bottom of the telescopic rod of the hydraulic cylinder.

[0016] In an implementable technical solution of the present application, the automatic plate placing mechanism includes a plate placing robotic arm, a plate placing disc, and multiple groups of second suction cups. The plate placing disc is horizontally arranged and fixed to the outer end of the plate placing robotic arm, and multiple groups of the second suction cups are installed on the plate placing disc at intervals.

[0017] In an implementable technical solution of the present application, the automatic blanking mechanism includes a blanking robotic arm, a blanking disc, and multiple groups of third suction cups. The blanking disc is horizontally arranged and fixed to the outer end of the blanking robotic arm, and multiple groups of the third suction cups are installed on the blanking disc at intervals.

[0018] In an implementable technical solution of the present application, the incoming material conveying mechanism is a belt conveyor, the outgoing material conveying mechanism is a roller conveyor, and the incoming material conveying mechanism, the manual operation station, and the outgoing material conveying mechanism are located on the same straight line.

[0019] In summary, the present application includes at least one of the following beneficial technical effects:

[0020] The staff at the manual operation station first pick and place the blank workpieces on the incoming material conveying mechanism onto the nearest workbench. The automatic feeding and gluing system on the outgoing material conveying mechanism is used to automatically grab the first sealing plate and apply glue. Then the staff place the first sealing plate coated with glue on the blank workpieces on the workbench. Start the turntable to drive the blank workpieces and the first sealing plate to rotate to directly below one group of the pressing devices, and then start this group of pressing devices to press and fix the first sealing plate on the blank workpieces to form a transitional processed body. Then continue to rotate the turntable to transfer the transitional processed body to the next station. At the same time, another automatic feeding and gluing system is used to automatically grab the second sealing plate and apply glue. Start the automatic plate placing mechanism to place the first sealing plate coated with glue on the transitional processed body in the nearest workbench. Then start another group of pressing devices to press and fix the second sealing plate on the transitional processed body to obtain the finished product. Then continue to rotate the turntable to transfer the finished product back to the position near the manual operation station. The staff at the manual operation station then pick and place the finished product onto the outgoing material conveying mechanism. Start the outgoing material conveying mechanism to convey the finished product to directly below the outgoing material conveying mechanism, and then send the finished product out of the working area of the production line through the outgoing material conveying mechanism;

[0021] The glue - applying and assembling production line for the end sealing plates of paper barrels in this application has a simple overall structure and stable operation. It can realize single - person assisted operation. Based on the premise that most of the work can be automated, it can conveniently realize the loading and unloading, glue - applying, and pressing and bonding of double sealing plates, greatly improving the production efficiency of all - paper barrels. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the embodiments of this application, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the following - described drawings are only some embodiments of this application. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0023] Figure 1 It is a schematic structural diagram of the glue - applying and assembling production line for the end sealing plates of paper barrels in the embodiments of this application.

[0024] Figure 2 It is a schematic structural diagram of the automatic feeding and glue - applying system in the embodiments of this application.

[0025] Description of the reference numerals:

[0026] 1. Door - type stand

[0027] 2. Turntable

[0028] 3. Workbench

[0029] 4. Pressing device; 41. Hydraulic cylinder; 42. Pressure plate

[0030] 5. Automatic plate - placing mechanism; 51. Plate - placing robotic arm; 52. Plate - placing tray; 53. Suction cup II

[0031] 6. Discharge conveying mechanism

[0032] 7. Incoming - material conveying mechanism

[0033] 8. Automatic feeding and glue - applying system; 81. Frame; 82. Sealing - plate material box; 83. Roller - type glue - applying machine; 84. Feeding table; 841. Conveyor belt; 85. Transfer table; 851. Belt - pulley structure; 86. Automatic plate - taking and loading mechanism; 861. Bracket; 862. Linear sliding module; 863. Moving vertical plate; 864. Lifting power unit; 8641. Lifting cylinder; 8642. Lifting plate; 86421. Linear chute; 8643. Guide rod; 8644. Guide tube; 865. Suction cup I; 8651. Locking nut

[0034] 9. Automatic unloading mechanism; 91. Discharge robotic arm; 92. Discharge tray; 93. Suction cup III Detailed implementation manners

[0035] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present application clearer and more understandable, the present application will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0036] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0037] It should be understood that the orientation or positional relationship indicated by the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present application.

[0038] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present application, "a plurality of" means two or more unless otherwise specifically defined.

[0039] The following is a further detailed description of the present application with reference to the attached Figure 1-2 drawings.

[0040] The embodiment of the present application discloses a glue coating and assembly production line for the end seal plate of a paper barrel. Refer to Figure 1-2, the glue - applying and assembling production line for the end - sealing plate of the paper barrel includes a door - type vertical frame 1, a turntable 2, at least four groups of workbenches 3 and at least two groups of pressing devices 4. The turntable 2 is horizontally and rotatably installed at the inner bottom of the door - type vertical frame 1 and is driven by a servo - motor to rotate intermittently. Multiple groups of workbenches 3 are vertically and spacedly installed on the turntable 2. The pressing devices 4 are installed at the top of the door - type vertical frame 1 and are used to press the glue - coated sealing plate onto the blank workpiece. On one side of the door - type vertical frame 1, there is an automatic plate - placing mechanism 5 and a set of automatic feeding and glue - applying system 8. On the other side of the door - type vertical frame 1, there is a feeding conveying mechanism 7 and a discharging conveying mechanism 6. There is a gap between the feeding conveying mechanism 7 and the discharging conveying mechanism 6. The gap is opposite to one of the workbenches 3 and forms a manual operation station. Another set of automatic feeding and glue - applying system 8 is also arranged on the discharging conveying mechanism 6. An automatic blanking mechanism 9 is also arranged on the side of the discharging conveying mechanism 6 far away from the door - type vertical frame 1.

[0041] Among them, the feeding conveying mechanism 7 is a belt conveyor, the discharging conveying mechanism 6 is a roller - way conveyor, and the feeding conveying mechanism 7, the manual operation station, and the discharging conveying mechanism 6 are located on the same straight line.

[0042] In this embodiment, the automatic feeding and glue - applying system 8 includes a frame 81 and a sealing - plate material box 82, a roller - type glue - applying machine 83, a feeding table 84, and a turnover table 85 installed on the frame 81. The feeding table 84 is located on the inlet side of the roller - type glue - applying machine 83, and the turnover table 85 is located on the outlet side of the roller - type glue - applying machine 83. The frame 81 is also provided with an automatic plate - taking and loading mechanism 86. The automatic plate - taking and loading mechanism 86 is used to adsorb and fix the sealing plates in the sealing - plate material box 82 one by one, linearly convey the sealing plates to the feeding table 84 and put them down. During the process of transporting the sealing plates on the feeding table 84 to the turnover table 85, they pass through the roller - type glue - applying machine 83 to complete the automatic glue - applying work.

[0043] The above - designed automatic feeding and glue - applying system 8 has a simple and firm structure, stable operation, and is relatively convenient to operate, and can stably convey and apply glue to the sealing plates.

[0044] In order to ensure that the sealing plate has sufficient thrust before being pushed to the roller - type glue - applying machine 83, a conveying belt 841 for transporting the sealing plate is arranged on the feeding table 84. The contact area between the conveying belt 841 and the sealing plate is large, and the frictional pushing force is also relatively large, which can ensure that the sealing plate can smoothly pass through the rubber roller of the roller - type glue - applying machine 83.

[0045] The turnover table 85 is provided with multiple groups of pulley structures 851 for transporting the sealing plates. There are gaps between adjacent pulley structures 851. The gaps are used to avoid contacting the glue on the lower surface of the sealing plate, thereby effectively preventing the glue applied on the sealing plate from being contaminated or friction - worn.

[0046] Moreover, the automatic board-taking and feeding mechanism 86 includes a bracket 861, a linear sliding module 862, a moving vertical plate 863, a lifting power unit 864, and multiple groups of suction cups 865. The linear sliding module 862 is horizontally installed on the bracket 861. The moving vertical plate 863 is fixed to the sliding block of the linear sliding module 862. The lifting power unit 864 is installed on the outer side of the moving vertical plate 863, and the lifting power unit 864 is used to drive the multiple groups of suction cups 865 to rise or fall.

[0047] Among them, the lifting power unit 864 includes a lifting cylinder 8641 and a lifting plate 8642. The lifting cylinder 8641 is vertically installed on the moving vertical plate 863. The lifting plate 8642 is horizontally arranged and fixed to the bottom of the telescopic rod of the lifting cylinder 8641. Multiple groups of suction cups 865 are installed on the lifting plate 8642 at intervals.

[0048] The automatic board-taking and feeding mechanism 86 designed above has a simple and firm structure, stable operation, and convenient operation. It can automatically and stably suck the sealing board, quickly transport the sealing board, and place the sealing board down.

[0049] Moreover, in order to ensure the stability of the sealing board when moving upward and placing downward after being sucked and fixed, two guide rods 8643 are vertically fixed on the lifting plate 8642. Two guide cylinders 8644 are arranged on the moving vertical plate 863. The guide rods 8643 penetrate and are slidably assembled in the guide cylinders 8644.

[0050] At the same time, in order to be applicable to sealing boards of different sizes, there are at least three groups of suction cups 865 and they are at least arranged in a triangular shape. The position of one group of suction cups 865 is adjustable relative to the lifting plate 8642. Specifically, a linear chute 86421 is arranged on the lifting plate 8642. The suction cup 865 has a threaded section. The threaded section vertically penetrates the linear chute 86421, and two locking nuts 8651 are threadedly assembled on the threaded section. The two locking nuts 8651 cooperate to clamp and fix the lifting plate 8642.

[0051] In this embodiment, the pressing device 4 includes a hydraulic cylinder 41 and a pressing plate 42. The hydraulic cylinder 41 is vertically and fixedly installed on the top of the door vertical frame 1. The pressing plate 42 is horizontally arranged and fixed to the bottom of the telescopic rod of the hydraulic cylinder 41. The pressing device 4 designed above has a simple and firm structure, stable operation, and convenient operation. It can stably press the sealing board.

[0052] In this embodiment, the automatic board-releasing mechanism 5 includes a board-releasing robotic arm 51, a board-releasing tray 52, and multiple groups of suction cups 53. The board-releasing tray 52 is horizontally arranged and fixed to the outer end of the board-releasing robotic arm 51. Multiple groups of suction cups 53 are installed on the board-releasing tray 52 at intervals. The automatic board-releasing mechanism 5 designed above has a simple and firm structure, stable operation, and convenient operation. It can stably transfer the sealing board.

[0053] In this embodiment, the automatic blanking mechanism 9 includes a discharging robotic arm 91, a discharging tray 92, and multiple groups of suction cups III 93. The discharging tray 92 is horizontally arranged and fixed to the outer end of the discharging robotic arm 91, and multiple groups of suction cups III 93 are installed on the discharging tray 92 at intervals. The automatic blanking mechanism 9 designed above has a simple and firm structure, stable operation, and convenient operation, and can stably transfer the finished products.

[0054] The working principle / usage process of the glue coating and assembly production line for the end seals of paper barrels in the embodiments of this application is roughly as follows:

[0055] The staff at the manual operation station first pick and place the blank workpieces on the incoming material conveying mechanism 7 onto the nearest workbench 3. The automatic feeding and glue coating system 8 on the outgoing material conveying mechanism 6 is used to automatically grab the first seal and apply glue. Then the staff place the first seal coated with glue on the blank workpieces in the workbench 3, start the turntable 2 to drive the blank workpieces and the first seal to rotate to directly below one group of pressing devices 4, and then start this group of pressing devices 4 to press and fix the first seal on the blank workpieces to form a transitional processed body. Then continue to rotate the turntable 2 to transfer the transitional processed body to the next station. At the same time, another automatic feeding and glue coating system 8 is used to automatically grab the second seal and apply glue. Start the automatic plate placing mechanism 5 to place the first seal coated with glue on the transitional processed body in the nearest workbench 3, and then start another group of pressing devices 4 to press and fix the second seal on the transitional processed body to obtain the finished product. Then continue to rotate the turntable 2 to transfer the finished product back to a position near the manual operation station. The staff at the manual operation station then pick and place the finished product onto the outgoing material conveying mechanism 6, start the outgoing material conveying mechanism 6 to convey the finished product to directly below the outgoing material conveying mechanism 6, and then send the finished product out of the working area of the production line through the outgoing material conveying mechanism 6.

[0056] The beneficial technical effects of the glue coating and assembly production line for the end seals of paper barrels in the embodiments of this application are roughly as follows:

[0057] The overall structure is simple and the operation is stable. It can realize single-person assisted operation. Based on the premise that most of the work can be automated, it can conveniently realize the loading and unloading, glue coating, pressing and bonding, etc. of double seals, and greatly improve the production efficiency of all-paper barrels.

[0058] The above are only the preferred embodiments of this application and are not intended to limit this application. Any modifications, equivalent replacements, and improvements made within the spirit and principles of the application shall be included within the protection scope of this application.

Claims

1. A glue - applying and assembling production line for the end - sealing plates of paper barrels, characterized in that, It includes a door frame (1), a turntable (2), at least four groups of workbenches (3) and at least two groups of pressing devices (4). The turntable (2) is horizontally and rotatably installed at the inner bottom of the door frame (1) and is driven by a servo motor to rotate intermittently. Multiple groups of the workbenches (3) are vertically and spacedly installed on the turntable (2). The pressing device (4) is installed at the top of the door frame (1) and is used to press the sealing plate coated with glue onto the blank workpiece. An automatic plate placing mechanism (5) and a set of automatic feeding and gluing systems (8) are arranged on one side of the door frame (1). A feeding conveying mechanism (7) and a discharging conveying mechanism (6) are arranged on the other side of the door frame (1). There is a gap between the feeding conveying mechanism (7) and the discharging conveying mechanism (6), and the gap is opposite to one group of the workbenches (3) to form a manual operation station. Another set of automatic feeding and gluing systems (8) is also arranged on the discharging conveying mechanism (6). An automatic blanking mechanism (9) is arranged on the side of the discharging conveying mechanism (6) away from the door frame (1).

2. The glue - applying and assembling production line for the end - sealing plate of the paper barrel according to claim 1, wherein, The automatic feeding and gluing system (8) includes a frame (81) and a sealing plate cartridge (82), a roll coater (83), a feeding table (84) and a turnover table (85) installed on the frame (81). The feeding table (84) is located on the inlet side of the roll coater (83), and the turnover table (85) is located on the outlet side of the roll coater (83). The frame (81) is also provided with an automatic plate picking and loading mechanism (86). The automatic plate picking and loading mechanism (86) is used to adsorb and fix the sealing plates in the sealing plate cartridge (82) one by one, linearly convey the sealing plates to the feeding table (84) and put them down. The sealing plates on the feeding table (84) pass through the roll coater (83) during the process of being transported to the turnover table (85) to complete the automatic gluing work.

3. The glue - applying and assembling production line for the end - sealing plate of the paper barrel according to claim 2, wherein, A conveyor belt (841) for transporting the sealing plates is arranged on the feeding table (84). Multiple pulley structures (851) for transporting the sealing plates are arranged on the turnover table (85). There are gaps between adjacent pulley structures (851), and the gaps are used to avoid contacting the glue on the lower surface of the sealing plate.

4. The glue - applying and assembling production line for the end sealing plate of the paper barrel according to claim 2, characterized in that, The automatic plate picking and loading mechanism (86) includes a bracket (861), a linear sliding module (862), a moving vertical plate (863), a lifting power unit (864) and multiple groups of suction cups I (865). The linear sliding module (862) is horizontally installed on the bracket (861). The moving vertical plate (863) is fixed on the sliding block of the linear sliding module (862). The lifting power unit (864) is installed on the outer side of the moving vertical plate (863), and the lifting power unit (864) is used to drive multiple groups of the suction cups I (865) to rise or fall.

5. The glue - applying and assembling production line for the end sealing plate of the paper barrel according to claim 4, wherein, The lifting power unit (864) includes a lifting cylinder (8641) and a lifting plate (8642). The lifting cylinder (8641) is vertically installed on the moving vertical plate (863). The lifting plate (8642) is horizontally arranged and fixed to the bottom of the telescopic rod of the lifting cylinder (8641). Multiple groups of the first suction cups (865) are installed on the lifting plate (8642) at intervals.

6. The glue - applying and assembling production line for the end - sealing plate of the paper barrel according to claim 5, wherein, Two guide rods (8643) are vertically fixed on the lifting plate (8642). Two guide cylinders (8644) are provided on the moving vertical plate (863). The guide rods (8643) penetrate and are slidably assembled in the guide cylinders (8644). The position of at least one group of the first suction cups (865) is adjustable relative to the lifting plate (8642).

7. The glue - applying and assembling production line for the end - sealing plate of the paper barrel according to claim 1, wherein, The pressing device (4) includes a hydraulic cylinder (41) and a pressure plate (42). The hydraulic cylinder (41) is vertically and fixedly installed on the top of the door vertical frame (1). The pressure plate (42) is horizontally arranged and fixed to the bottom of the telescopic rod of the hydraulic cylinder (41).

8. The glue - applying and assembling production line for the end - sealing plate of the paper barrel according to claim 1, wherein, The automatic plate discharging mechanism (5) includes a plate discharging robotic arm (51), a plate discharging tray (52) and multiple groups of the second suction cups (53). The plate discharging tray (52) is horizontally arranged and fixed to the outer end of the plate discharging robotic arm (51). Multiple groups of the second suction cups (53) are installed on the plate discharging tray (52) at intervals.

9. The glue - applying and assembling production line for the end - sealing plate of the paper barrel according to claim 1, wherein, The automatic blanking mechanism (9) includes a blanking robotic arm (91), a blanking tray (92) and multiple groups of the third suction cups (93). The blanking tray (92) is horizontally arranged and fixed to the outer end of the blanking robotic arm (91). Multiple groups of the third suction cups (93) are installed on the blanking tray (92) at intervals.

10. The glue - applying and assembling production line for the end sealing plate of the paper barrel according to claim 1, wherein, The incoming material conveying mechanism (7) is a belt conveyor, and the outgoing material conveying mechanism (6) is a roller conveyor. The incoming material conveying mechanism (7), the manual operation station and the outgoing material conveying mechanism (6) are located on the same straight line.

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