Automatic sealing device for square paper tube end cap

Abstract

This utility model provides an automatic sealing device for the end cap of a square paper tube, relating to the field of square paper tube sealing technology. It includes a workbench, with a first baffle vertically fixed to one side of the top of the workbench, and a T-shaped stop fixed to the end of the workbench. A first support frame is provided at the bottom of the T-shaped stop, and two fully automatic pneumatic nail guns are symmetrically mounted on the first support frame. A second support frame is provided on the side of the first baffle, and two fully automatic pneumatic nail guns are symmetrically mounted on the second support frame. A pneumatic switch is provided on the top side of the workbench, and the pneumatic switch is connected to the four fully automatic pneumatic nail guns via a pneumatic pipeline. This device solves the technical problems of traditional methods, which require operators to manually adjust the position of the paper tube and sequentially drive nails into the side, resulting in a long process, high labor intensity for workers, fatigue from prolonged operation, and uneven nail distribution and insecure nailing in some areas, affecting the sealing performance of the packaging.

Description

Technical Field

[0001] This utility model mainly relates to the field of square paper tube sealing technology, specifically to an automatic sealing device for locking the end cap of a square paper tube. Background Technology

[0002] Currently, to facilitate the logistics and transportation of deep-well motors, they are generally packaged in square paper tubes. After the deep-well motor is placed inside the paper tube, plastic covers are usually added to both ends to achieve a seal. The traditional method of securing the motor involves placing the instruction manual and product inside the paper tube and then reinforcing the joint between the cover and the paper tube with pneumatic nails. To ensure the cover is secure, pneumatic nails are usually driven into the side of the paper tube to prevent it from loosening or falling off.

[0003] This traditional method has the following technical drawbacks: operators need to manually adjust the position of the paper tube and drive in the nails one by one from the side, which takes a long time and affects production efficiency. Furthermore, because it requires repeated adjustments to the paper tube angle and operation of the air gun, the labor intensity for workers is high, and prolonged work can easily lead to fatigue. Finally, manual operation may result in uneven nail distribution, with some areas not being securely nailed, affecting the packaging's sealing performance.

[0004] It should be noted that the above content falls within the scope of technical knowledge of those skilled in the art. Due to the vast and complex nature of the technical content in this field, the above content of this application does not necessarily constitute prior art. Utility Model Content

[0005] 1. The technical problem to be solved by the utility model:

[0006] This utility model provides an automatic sealing device for locking the end cap of a square paper tube, in order to solve the technical problems existing in the background art.

[0007] 2. Technical Solution:

[0008] To achieve the above objectives, the technical solution provided by this utility model is as follows: an automatic sealing device for the end cap of a square paper tube, comprising a workbench, a first baffle vertically fixedly connected to one side of the top of the workbench, a T-shaped stop fixedly connected to the end of the workbench, a first support frame at the bottom of the T-shaped stop, two fully automatic pneumatic nail guns symmetrically mounted on the first support frame, a second support frame on the side of the first baffle, two fully automatic pneumatic nail guns symmetrically mounted on the second support frame, and a pneumatic switch on the top side of the workbench, the pneumatic switch being connected to four fully automatic pneumatic nail guns via pneumatic pipelines. In this embodiment, the operator first inserts the sealing cap into the end of the square paper tube, then pushes the square paper tube along the first baffle towards the T-shaped stop. When the square paper tube is completely limited by the T-shaped stop and the first baffle, the pneumatic switch is activated, and the four pneumatic nail guns... The fully automatic pneumatic nail gun operates simultaneously to fix two adjacent sides of the square paper tube. Then, the paper tube is rotated 180 degrees, and the above operation is repeated to fix the other two sides. This device, through mechanical positioning and synchronous nailing, achieves the simultaneous fixing of four pneumatic nails on two sides in each operation, significantly improving production efficiency and nailing accuracy while reducing manual labor intensity. Furthermore, the position of the paper tube after being limited by the T-shaped block and the first baffle is always the same, improving nailing accuracy. The fully automatic pneumatic nail gun of this device is pneumatically controlled; the pneumatic pipeline is omitted in the accompanying drawings. The pneumatic switch controls the pneumatic pipeline for nailing operations. The fully automatic pneumatic nail gun uses existing technology and will not be elaborated here. The fully automatic pneumatic nail gun of this device is fixedly connected to a support frame; please refer to the accompanying drawings for details.

[0009] Furthermore, a concave support frame is fixedly connected to the top of the workbench, a lifting mechanism is installed on the top of the concave support frame, and two fully automatic pneumatic nail guns are symmetrically arranged at the bottom of the lifting mechanism; a sliding base is provided on the opposite side of the first baffle, a moving platform is slidably connected to the top of the sliding base, a first telescopic cylinder is connected to the side of the moving platform, and two fully automatic pneumatic nail guns are symmetrically arranged at the end of the moving platform.

[0010] Furthermore, the lifting mechanism includes a vertical support plate, the rear end of which is fixedly connected to the concave support frame by bolts. A second telescopic cylinder is fixedly installed on the top of the vertical support plate. The piston rod end of the second telescopic cylinder is connected to a lifting slide plate. Two lifting slide columns are symmetrically fixedly connected to the bottom of the lifting slide plate. The lifting slide columns slide in cooperation with a guide platform provided on the side of the vertical support plate. A third support frame is fixedly connected to the bottom of the lifting slide columns. Two fully automatic pneumatic nail guns are symmetrically installed on the third support frame.

[0011] Furthermore, two concave sliders are symmetrically arranged at the bottom of the moving platform, and the concave sliders slide in cooperation with the guide rail on the sliding base; a positioning push plate is fixedly connected to the side of the moving platform, and the working surface of the positioning push plate is adapted to the shape of the fourth side of the square paper tube; the piston rod end of the first telescopic cylinder is fixedly connected to the moving platform.

[0012] Furthermore, symmetrical sliding holes are provided on the side of the worktable, and sliding columns are slidably fitted in the sliding holes. An extension plate is fixedly connected to the outer end of the sliding column, and a locking mechanism is provided between the extension plate and the worktable.

[0013] Furthermore, the locking mechanism includes a support block fixedly installed at the end of the workbench. The support block has a threaded through hole in the middle, and a threaded positioning pin is screwed into the threaded through hole. The sliding pin has a plurality of locking holes spaced apart along its length on its side. The end of the threaded positioning pin can be selectively inserted into any locking hole.

[0014] 3. Beneficial effects:

[0015] Compared with the prior art, the technical solution provided by this utility model has the following advantages:

[0016] This utility model is reasonably designed. It achieves simultaneous nailing on all four sides of the square paper tube through the coordinated operation of multiple sets of air nail guns, which greatly improves production efficiency. A single operation can achieve the fixing effect that traditional processes require multiple adjustments to achieve. The device adopts a T-shaped stop and a first baffle to form a precise positioning system. With the coordinated control of the lifting mechanism and the moving table, it ensures the consistency of the nailing position on each side and significantly improves the stability of product quality.

[0017] It should be noted that the structures not described in this utility model are the same as or can be implemented using existing technology, and will not be elaborated here, as they do not involve the design points and improvement directions of this utility model. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of this utility model;

[0019] Figure 2 This utility model Figure 1 A magnified structural diagram at point A;

[0020] Figure 3 This is a schematic diagram of the second angle structure of this utility model;

[0021] Figure 4 This is a schematic diagram of the third-angle structure of this utility model;

[0022] Figure 5 This is a front structural diagram of the present invention.

[0023] Figure label:

[0024] 1. Workbench; 2. First baffle; 3. T-shaped stop; 4. First support frame; 5. Second support frame; 6. Pneumatic switch; 11. Concave support frame; 12. Lifting mechanism; 121. Vertical support plate; 122. Second telescopic cylinder; 123. Lifting slide plate; 124. Lifting slide column; 125. Guide platform; 126. Third support frame; 13. Sliding hole; 14. Sliding column; 15. Extension plate; 16. Locking mechanism; 161. Support block; 162. Threaded positioning column; 163. Locking hole; 21. Sliding base; 22. Moving table; 221. Concave slider; 222. Positioning push plate; 23. First telescopic cylinder. Detailed Implementation

[0025] To facilitate understanding of this utility model, a more comprehensive description of the utility model will be given below with reference to the accompanying drawings, which show several embodiments of the utility model. However, the utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that the disclosure of the utility model will be more thorough and complete.

[0026] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "page", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0027] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0028] In this utility model, unless otherwise explicitly specified and limited, the terms "installed," "connected," "linked," "fixed," "provided with," and "located in" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0029] It should be noted that structures not described in this invention do not involve the design points and improvement directions of this invention, and can all be achieved using existing technologies known to those skilled in the art.

[0030] The specific implementation of the present invention will be described in detail below with reference to specific embodiments.

[0031] See attached document Figure 1-5 An automatic sealing device for the end cap of a square paper tube includes a workbench 1. A first baffle 2 is vertically fixed to one side of the top of the workbench 1, and a T-shaped stop block 3 is fixedly connected to the end of the workbench 1. A first support frame 4 is provided at the bottom of the T-shaped stop block 3, and two fully automatic pneumatic nail guns are symmetrically installed on the first support frame 4. A second support frame 5 is provided on the side of the first baffle 2, and two fully automatic pneumatic nail guns are symmetrically installed on the second support frame 5. A pneumatic switch 6 is provided on the top side of the workbench 1, and the pneumatic switch 6 is connected to four fully automatic pneumatic nail guns through a pneumatic pipeline. In this embodiment, the operator first inserts the sealing cap into the end of the square paper tube, and then pushes the square paper tube along the first baffle 2 towards the T-shaped stop block 3. When the square paper tube is completely limited by the T-shaped stop block 3 and the first baffle 2, the pneumatic switch 6 is activated, and the four fully automatic pneumatic nail guns are activated. The pneumatic nail gun operates simultaneously to fix two adjacent sides of the square paper tube. Then, the paper tube is rotated 180 degrees, and the above operation is repeated to fix the other two sides. This device, through mechanical positioning and synchronous nailing, achieves simultaneous fixing of four pneumatic nails on two sides in each operation, significantly improving production efficiency and nailing accuracy while reducing manual labor intensity. Furthermore, the position of the paper tube after being limited by the T-shaped stop 3 and the first baffle 2 is always the same, improving nailing accuracy. The fully automatic pneumatic nail gun of this device is pneumatically controlled; the pneumatic pipeline is omitted in the accompanying drawings. The pneumatic switch 6 controls the pneumatic pipeline for nailing operations. The fully automatic pneumatic nail gun uses existing technology and will not be elaborated here. The fully automatic pneumatic nail gun of this device is fixedly connected to a support frame; please refer to the accompanying drawings for details.

[0032] The top of the workbench 1 is fixedly connected to a concave support frame 11, and a lifting mechanism 12 is installed on the top of the concave support frame 11. Two fully automatic pneumatic nail guns are symmetrically arranged at the bottom of the lifting mechanism 12. A sliding base 21 is provided on the opposite side of the first baffle 2. A moving platform 22 is slidably connected to the top of the sliding base 21. A first telescopic cylinder 23 is connected to the side of the moving platform 22, and two fully automatic pneumatic nail guns are symmetrically arranged at the end of the moving platform 22. The lifting mechanism 12 and the first telescopic cylinder 23 are both electrically connected to a pneumatic switch 6. In specific implementation, the operator pushes the square paper tube. After positioning between the T-shaped stop 3 and the first baffle 2, pressing the pneumatic switch 6 will simultaneously trigger the nailing action in four directions: the lifting mechanism 12 drives the top pneumatic nail gun to move down to complete the nailing on the upper surface, the first telescopic cylinder 23 pushes the moving table 22 forward to complete the nailing on the side, and works synchronously with the original two sets of pneumatic nail guns to achieve synchronous nailing on all four sides of the square paper tube. This improved solution, by adding top and side automatic nailing mechanisms, enables the fixing of all four sides in a single operation, doubling the work efficiency, while ensuring the consistency of the nailing position on each side.

[0033] The lifting mechanism 12 includes a vertical support plate 121. The rear end of the vertical support plate 121 is fixedly connected to the concave support frame 11 by bolts. A second telescopic cylinder 122 is fixedly installed on the top of the vertical support plate 121. The piston rod end of the second telescopic cylinder 122 is connected to a lifting slide plate 123. Two lifting slide columns 124 are symmetrically fixedly connected to the bottom of the lifting slide plate 123. The lifting slide columns 124 are slidably engaged with a guide platform 125 provided on the side of the vertical support plate 121. A third support frame 126 is fixedly connected to the bottom of the lifting slide columns 124. Two fully automatic pneumatic nail guns are symmetrically installed on the third support frame 126. In this embodiment... In this mechanism, when the pneumatic switch 6 is triggered, the piston rod of the second telescopic cylinder 122 extends, pushing the lifting slide plate 123 to move smoothly downwards along the guide platform 125. This, in turn, drives the third support frame 126 and its fully automatic pneumatic nail gun to descend synchronously via the lifting slide column 124. When the fully automatic pneumatic nail gun reaches the preset working position, the nailing operation is automatically completed. Subsequently, the second telescopic cylinder 122 resets, driving the entire lifting mechanism 12 back to its original position. This lifting mechanism 12 employs a slide column guide structure to ensure smooth operation, and, in conjunction with the cylinder drive, achieves precise reciprocating motion, coordinating the top nailing operation with nailing actions in other directions, further improving the automation level and operational reliability of the device.

[0034] Two concave sliders 221 are symmetrically arranged at the bottom of the moving platform 22, and the concave sliders 221 slide in cooperation with the guide rails on the sliding base 21. A positioning push plate 222 is fixedly connected to the side of the moving platform 22, and the working surface of the positioning push plate 222 is adapted to the shape of the fourth side of the square paper tube. The piston rod end of the first telescopic cylinder 23 is fixedly connected to the moving platform 22. In specific implementation, when the first telescopic cylinder 23 is activated, it pushes the moving platform 22 to move smoothly along the sliding base 21 through the concave sliders 221, and at the same time drives the positioning push plate 222 to move towards the square paper tube. After the positioning push plate 222 first contacts the square paper tube and completes precise positioning, the fully automatic pneumatic nail gun set at the end of the moving platform 22 reaches the preset working position and performs the nailing operation. This structure ensures smooth movement through the precise cooperation of the slider guide rail, and with the dual positioning function of the positioning push plate 222, the nailing position on the fourth side is more accurate and reliable, realizing the complete automation of the nailing operation on all four sides.

[0035] The workbench 1 has symmetrical sliding holes 13 on its side. Sliding posts 14 are slidably fitted within the sliding holes 13, and extension plates 15 are fixedly connected to the outer ends of the sliding posts 14. A locking mechanism 16 is provided between the extension plates 15 and the workbench 1. In this embodiment, when processing longer square paper tubes, the operator can loosen the locking mechanism 16, pull the extension plates 15 along the sliding holes 13 to the required length, and then re-lock them. The extended plates 15, when unfolded, form an auxiliary support platform, effectively extending the support length of the workbench 1 and ensuring the stability of long square paper tubes during the nailing process. This adjustable extension structure allows the device to adapt to the processing needs of square paper tubes of different lengths, significantly improving the versatility and practicality of the equipment.

[0036] The locking mechanism 16 includes a support block 161 fixedly installed at the end of the workbench 1. The support block 161 has a threaded through hole in the middle, and a threaded positioning pin 162 is screwed into the threaded through hole. The sliding pin 14 has a plurality of locking holes 163 spaced apart along its length on its side. The end of the threaded positioning pin 162 can be selectively inserted into any locking hole 163. In this embodiment, when it is necessary to adjust the position of the extension plate 15, the operator rotates the threaded positioning pin 162 so that its end is removed from the current locking hole 163, and the extension plate 15 can be freely slid to the required position. After adjustment, the threaded positioning pin 162 is screwed into the corresponding locking hole 163, and the extension plate 15 is accurately positioned and reliably locked by thread fastening. The locking mechanism 16 adopts the method of threaded pin and positioning hole cooperation, which is simple and reliable in structure and can realize multi-position adjustment of the extension plate 15. It can not only ensure the stability during operation, but also meet the processing needs of square paper tubes of different lengths.

[0037] In summary, the automatic sealing device for the end cap of the square paper tube described in this application adopts a modular design and achieves efficient nailing operations through the coordinated operation of mechanical positioning and pneumatic control. Its working principle can be divided into three main stages:

[0038] The initial positioning stage begins with the operator pushing the square paper tube with the sealed cap onto the first baffle 2 into the working area. The right-angle positioning structure formed by the T-shaped stop 3 and the first baffle 2 ensures the paper tube is precisely positioned. For extra-long paper tubes, the length of the worktable 1 can be pre-adjusted via the sliding column 14-extension plate 15 mechanism: after rotating the threaded positioning column 162 to release the lock, the extension plate 15 is pulled to the appropriate position, and then a stable fixation is achieved through the engagement of the threaded positioning column 162 and the locking hole 163.

[0039] Secondly, after the pneumatic switch 6 is triggered during the multi-directional synchronous nailing stage, the device starts the collaborative operation mode:

[0040] Fixed pneumatic nail gun assembly: Four pneumatic nail guns on the first support frame 4 and the second support frame 5 simultaneously nail two adjacent surfaces;

[0041] Lifting pneumatic nail gun assembly: The second telescopic cylinder 122 drives the lifting slide plate 123 to move down, which in turn drives the two pneumatic nail guns at the top to complete the nailing on the upper surface;

[0042] Lateral pneumatic nail gun assembly: The first telescopic cylinder 23 pushes the moving platform 22 forward, and moves smoothly through the concave slider 221-guide rail system. After the positioning push plate 222 contacts the paper tube for precise positioning, the two pneumatic nail guns at the end complete the side nailing.

[0043] All pneumatic nail guns achieve millisecond-level synchronous operation through a unified pneumatic control system, ensuring that eight nail points are fixed simultaneously.

[0044] Finally, there is the reset and loop phase:

[0045] After nailing is completed, the lifting mechanism 12 automatically returns to its original position, and the moving platform 22 returns to its initial position under the action of the cylinder. The operator only needs to rotate the paper tube 180° to repeat the positioning to perform additional nailing on the remaining two sides. The entire work cycle ensures that the repeatability of positioning is ≤0.5mm through mechanical limit and pneumatic control, and the nailing position deviation is controlled within ±1mm.

[0046] Compared with traditional processes, this device significantly improves nailing efficiency and completely eliminates the problem of positional deviation caused by manual nailing.

[0047] The above-described embodiments are merely illustrative of certain implementations of this utility model, and their descriptions are relatively specific and detailed. However, they should not be construed as limiting the scope of this utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these modifications and improvements all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. An automatic sealing device for locking the end of a square paper tube, characterized by: The workbench (1) includes a first baffle (2) vertically fixed to one side of the top of the workbench (1), a T-shaped block (3) fixedly connected to the end of the workbench (1), a first support frame (4) provided at the bottom of the T-shaped block (3), two fully automatic pneumatic nail guns symmetrically installed on the first support frame (4), a second support frame (5) provided on the side of the first baffle (2), two fully automatic pneumatic nail guns symmetrically installed on the second support frame (5), and a pneumatic switch (6) provided on the top side of the workbench (1), the pneumatic switch (6) being connected to the four fully automatic pneumatic nail guns through a pneumatic pipeline.

2. A device for automatically sealing the end closure of a square paper tube according to claim 1, characterized in that: The workbench (1) is fixedly connected to a concave support frame (11) at the top. A lifting mechanism (12) is installed on the top of the concave support frame (11). Two fully automatic pneumatic nail guns are symmetrically arranged at the bottom of the lifting mechanism (12). A sliding base (21) is provided on the opposite side of the first baffle (2). A moving platform (22) is slidably connected to the top of the sliding base (21). A first telescopic cylinder (23) is connected to the side of the moving platform (22). Two fully automatic pneumatic nail guns are symmetrically arranged at the end of the moving platform (22).

3. A device for automatically sealing the end closure of a square paper tube according to claim 2, characterized in that: The lifting mechanism (12) includes a vertical support plate (121), the rear end of which is fixedly connected to the concave support frame (11) by bolts. A second telescopic cylinder (122) is fixedly installed on the top of the vertical support plate (121). The piston rod end of the second telescopic cylinder (122) is connected to the lifting slide plate (123). Two lifting slide columns (124) are symmetrically fixedly connected to the bottom of the lifting slide plate (123). The lifting slide columns (124) slide in cooperation with the guide platform (125) provided on the side of the vertical support plate (121). A third support frame (126) is fixedly connected to the bottom of the lifting slide columns (124). Two fully automatic pneumatic nail guns are symmetrically installed on the third support frame (126).

4. The automatic sealing device for the end cap of a square paper tube according to claim 2, characterized in that: Two concave sliders (221) are symmetrically arranged at the bottom of the moving platform (22), and the concave sliders (221) slide in cooperation with the guide rail on the sliding base (21); the side of the moving platform (22) is fixedly connected to the positioning push plate (222), and the working surface of the positioning push plate (222) is adapted to the shape of the fourth side of the square paper tube; the piston rod end of the first telescopic cylinder (23) is fixedly connected to the moving platform (22).

5. A device for automatically sealing the end closure of a square paper tube according to claim 1, characterized in that: The workbench (1) has symmetrical sliding holes (13) on its side. A sliding column (14) is slidably fitted inside the sliding hole (13). An extension plate (15) is fixedly connected to the outer end of the sliding column (14). A locking mechanism (16) is provided between the extension plate (15) and the workbench (1).

6. A device for automatically sealing the end closure of a square paper tube according to claim 5, characterized in that: The locking mechanism (16) includes a support block (161) fixedly installed at the end of the workbench (1). The support block (161) has a threaded through hole in the middle. A threaded positioning pin (162) is screwed into the threaded through hole. A number of locking holes (163) are spaced apart along the length direction on the side of the sliding pin (14). The end of the threaded positioning pin (162) can be selectively inserted into any locking hole (163).

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