A sticker dispensing machine

Abstract

The application relates to the field of material dispensing and packaging, in particular to a sticker dispensing machine which comprises a rack, a conveying mechanism arranged on the rack, a page dispensing mechanism and a film sealing and packaging mechanism, the film sealing and packaging mechanism comprises a bag material conveying assembly, a rubber strip pressing assembly, a pushing assembly, a thermoplastic cutting assembly and a sealing assembly, the bag material conveying assembly is used for conveying continuous bag materials, the rubber strip pressing assembly is used for pressing a double-sided rubber strip on the opening edge of the bag material on a bag material conveying path, the pushing assembly is used for extending into the cavity of the bag material and pushing the sticker and the bag material to synchronously pass through the thermoplastic cutting assembly, the thermoplastic cutting assembly is used for cutting the bag material to form a single packaging bag wrapped with the sticker, and the sealing assembly is used for turning over the side of the packaging bag provided with the double-sided rubber strip and adhering the side to the side not provided with the double-sided rubber strip. The dispensing machine has a simple structure, improves the sticker bagging fluency, realizes the sealing mode of the double-sided rubber strip adhesion, and thus improves the convenience of opening the packaging bag.

Description

Technical Field

[0001] This application relates to the field of material dispensing and packaging, and in particular to a sticker dispensing machine. Background Technology

[0002] In today's industrial production, the rapid development of automation technology has driven various industries to continuously pursue higher production efficiency and quality stability. Automated packaging and dispensing technology, as a crucial component of this, has emerged and gained widespread application. This technology enables the rapid and accurate dispensing and packaging of materials, significantly improving the level of automation in production and substantially reducing labor costs. It is widely used in the processing of various materials such as documents and stickers, providing strong support for the efficient operation of modern industry. Through automated packaging and dispensing, enterprises can complete production tasks more efficiently, improve product quality and market competitiveness, thereby gaining an advantage in fierce market competition.

[0003] To achieve the pagination and packaging of materials, commercially available automatic packaging and packaging devices typically consist of a conveying mechanism, a pagination feeding mechanism, and a sealing and packaging mechanism. The conveying mechanism transports the stickers, while the pagination feeding mechanism separates different stickers one by one and drops them sequentially onto the conveying mechanism, resulting in stacks of stickers to be packaged arranged at intervals on the conveying mechanism. Next, the sealing and packaging mechanism includes a packaging bag conveying component, a suction cup bag holding component, and a thermoplastic sealing component. The packaging bag conveying component continuously transports individual packaging bags, the suction cup bag holding component opens the packaging bag opening to facilitate pushing the stickers to be packaged into the packaging bag, and then the thermoplastic sealing component heat-seals the packaging bag opening, thus packaging multiple stickers.

[0004] However, existing automated packaging and dispensing devices still have significant shortcomings in practical applications. On the one hand, the suction cup bag support assembly and its coordination with other structures are relatively complex, making them prone to errors and increasing the bagging error rate. On the other hand, the thermoplastic sealing method makes it inconvenient to open the packaging bag, and requires brute force to tear it open, making the packaging bag unusable. Utility Model Content

[0005] To address the aforementioned issues, this application provides a sticker dispensing head with a simple packaging structure, offering an alternative automatic sealing method that effectively avoids the inconvenience of existing sealing methods.

[0006] This application provides a sticker packaging machine, including a frame and a conveying mechanism, a paging feeding mechanism, and a sealing and packaging mechanism disposed on the frame. The sealing and packaging mechanism includes a bag material conveying assembly, an adhesive strip pressing assembly, a pushing assembly, a thermoplastic cutting assembly, and a sealing assembly. The bag material conveying assembly conveys continuous bag material. The adhesive strip pressing assembly presses double-sided adhesive strips onto the edge of the bag material opening along the bag material conveying path. The pushing assembly extends into the cavity of the bag material and pushes the sticker and bag material simultaneously through the thermoplastic cutting assembly. The thermoplastic cutting assembly cuts the bag material to form individual packaging bags wrapped with stickers. The sealing assembly flips the side of the packaging bag opening with the double-sided adhesive strip and adheres it to the side without the double-sided adhesive strip. By adopting the above technical solution, the bag material conveying assembly conveys continuous bag material, providing continuous packaging material for subsequent packaging and ensuring production continuity. The adhesive strip pressing assembly presses double-sided adhesive strips onto the edge of the bag opening along the bag material conveying path. Compared to traditional suction cup bag-holding assemblies, this simplifies the structure, avoids errors prone to occur with complex structures, and reduces the bagging error rate. The pushing assembly extends into the bag material cavity and pushes the sticker and bag material simultaneously through the thermoplastic cutting assembly, achieving synchronous movement of the sticker and bag material. This allows the sticker to accurately enter the bag material, improving the smoothness of sticker bagging. The thermoplastic cutting assembly cuts the bag material into individual packaging bags wrapped with stickers, completing the segmentation of the packaging material. The sealing assembly flips the side of the packaging bag with the double-sided adhesive strip and adheres it to the side without the double-sided adhesive strip. This double-sided adhesive strip method replaces the traditional thermoplastic sealing method, making it easier to open the packaging bag without the need for brute force tearing. Furthermore, the packaging bag can be reused after opening, reducing packaging costs and improving resource utilization. Preferably, the bag material conveying assembly includes an unwinding roller and a conveying roller disposed on the frame. The unwinding roller is fixed and holds a roll of bag material, while the conveying roller is rotatable to guide the bag material conveying. By adopting the above technical solution, with the unwinding roller fixed and holding the roll of bag material, and the conveying roller rotatable, a pulling force is generated on the bag material when the conveying roller rotates, thereby guiding the bag material out of the roll of bag material on the unwinding roller and conveying it, achieving continuous and stable conveying of the bag material, ensuring the smooth progress of subsequent sealing and packaging processes, and improving the working efficiency and stability of the sticker packaging machine. Preferably, the adhesive strip pressing assembly includes an adhesive strip roller, a first pressing roller, and a second pressing roller. The adhesive strip roller holds a roll of adhesive strip, and a pressing gap is formed between the first pressing roller and the second pressing roller. When the double-sided adhesive strip and the bag material pass through the pressing gap simultaneously, the double-sided adhesive strip is adhered to the edge of the bag opening. By adopting the above technical solution, the adhesive strip roller holding the roll of adhesive strip can continuously provide double-sided adhesive strip. A pressing gap is formed between the first pressing roller and the second pressing roller. When the double-sided adhesive strip and the bag material pass through the pressing gap at the same time, under the squeezing action of the pressing roller, the double-sided adhesive strip comes into close contact with the edge of the bag opening and is thus firmly bonded to the edge of the bag opening.Preferably, the bag material conveying assembly further includes a conveyor belt, the conveying direction of which is perpendicular to the conveying direction of the conveying mechanism, and the thermoplastic cutting assembly is disposed on the conveying path of the conveyor belt. By adopting the above technical solution, the conveying direction of the conveyor belt in the bag material conveying assembly is perpendicular to the conveying direction of the conveying mechanism, allowing the sticker on the conveying mechanism to cooperate with the bag material conveyed by the conveyor belt at a suitable position, and the sticker accurately enters the bag material from the conveying mechanism. The thermoplastic cutting assembly is disposed on the conveying path of the conveyor belt. When the pushing assembly pushes the sticker and bag material to move synchronously to the thermoplastic cutting assembly, the thermoplastic cutting assembly can promptly cut the bag material to form individual packaging bags wrapped with stickers, improving the automation level and working efficiency of the sticker packaging machine, reducing manual operation, and lowering labor costs. Preferably, the pushing assembly includes a mounting plate, a pushing plate, and a pushing plate driver. The pushing plate driver is disposed on one side of the conveyor belt, and the pushing plate is disposed at the end of the mounting plate. The pushing plate driver drives the mounting plate to extend from the bag opening into the cavity of the bag material and drives the pushing plate to move towards the thermoplastic cutting assembly. By adopting the above technical solution, the pushing plate extends from the bag opening into the cavity of the bag material, and the pushing plate driver drives the pushing plate to move towards the thermoplastic cutting assembly. In this way, when the sticker is conveyed to the appropriate position, the pushing plate can accurately push the sticker into the bag material. Since the thermoplastic cutting assembly has sealed one end of the bag material, pushing the sticker can simultaneously drive the sealed end of the bag material through the thermoplastic cutting assembly. Preferably, the pushing plate is a U-shaped plate with a U-shaped groove facing the thermoplastic cutting assembly. One side of the U-shaped groove faces the conveying mechanism. When the conveying mechanism conveys the sticker to the U-shaped groove, the pushing plate pushes the sticker, causing the bag material to pass through the thermoplastic cutting assembly together. By adopting the above technical solution, the pusher plate is U-shaped and has a U-shaped groove facing the thermoplastic cutting assembly. One side of the U-shaped groove faces the conveying mechanism. When the conveying mechanism conveys the sticker to the U-shaped groove, the U-shaped groove can accurately receive the sticker, allowing the pusher plate to push the sticker stably. This structural design allows the pusher plate to drive the bag material through the thermoplastic cutting assembly together when pushing the sticker, avoiding the separation of the sticker and bag material, improving the synchronization and stability of sticker and bag material conveying, and thus improving the efficiency and accuracy of sticker packaging. Preferably, the thermoplastic cutting assembly includes a thermoplastic cutter, a lifting drive, and a buffer. The lifting drive drives the thermoplastic cutter to move up and down. The layout direction of the thermoplastic cutter is perpendicular to the conveying direction of the conveyor belt. The buffer provides a cushioning effect for the movement of the thermoplastic cutter. By adopting the above technical solution, the lifting drive unit drives the thermoplastic cutter to move up and down, and the layout direction of the thermoplastic cutter is set perpendicular to the conveying direction of the conveyor belt. In this way, when the bag material is conveyed with the conveyor belt, the thermoplastic cutter can accurately cut the bag material to form individual packaging bags wrapped with stickers, thus realizing efficient cutting operation of bag material.Meanwhile, the buffer component provides cushioning for the movement of the thermoplastic cutter, reducing the impact force generated during the movement of the thermoplastic cutter and reducing the vibration at the moment of contact between the thermoplastic cutter and the bag material. This avoids uneven cutting or damage to the bag material due to excessive vibration, thereby improving the cutting quality and stability and ensuring the forming effect of individual packaging bags. Preferably, the sealing assembly includes a brush head and a brush head driver. The brush head driver is located on one side of the conveyor belt and drives the brush head to flip the side of the packaging bag opening with the double-sided adhesive strip upwards. By adopting the above technical solution, since the brush head driver is located on one side of the conveyor belt, it can drive the brush head to move. The brush head can act on the side of the packaging bag opening with the double-sided adhesive strip, and by pushing and guiding the brush head, it flips this side upwards, so that this side can adhere to the side without the double-sided adhesive strip, thereby sealing the packaging bag. Compared to existing thermoplastic sealing methods, this double-sided adhesive strip sealing method makes opening the packaging bag easier, eliminating the need for brute force to tear it open. Furthermore, the packaging bag can be reused after opening, reducing packaging costs. Preferably, the paging feeding mechanism includes two paging feeding structures for placing stacked stickers, arranged sequentially along the conveying direction of the conveying mechanism. By adopting the above technical solution, the paging feeding mechanism has two paging feeding structures for placing stacked stickers, and these two paging feeding structures are arranged sequentially along the conveying direction of the conveying mechanism. During operation, the conveying mechanism passes through these two paging feeding structures sequentially. When the conveying mechanism passes through the first paging feeding structure, it can carry away the stickers at the bottom of the stacked stickers of that paging feeding structure; continuing to the second paging feeding structure, it can also carry away the stickers at the bottom of the stacked stickers of that second paging feeding structure. This arrangement achieves continuous and orderly paging feeding, greatly improving the paging supply efficiency of stickers, and thus improving the overall working efficiency of the sticker packaging machine. Preferably, the conveying mechanism includes a conveying component and limiting rods spaced apart from the conveying component. The limiting rods move synchronously with the conveying component, and a receiving groove is provided between two adjacent limiting rods. When the limiting rods move to the bottom of the paging feeding structure, the paging feeding mechanism pushes out the sticker at the bottom of the stacked stickers, causing the sticker to fall into the receiving groove behind the limiting rod. By adopting the above technical solution, the conveying component in the conveying mechanism drives the limiting rods to move synchronously. When the limiting rods move to the bottom of the paging feeding structure, the paging feeding structure senses the presence of the limiting rods and pushes out one sticker at the bottom of the stacked stickers. Since a receiving groove is provided between two adjacent limiting rods, the stickers being carried away will naturally fall into the receiving groove behind the limiting rod, realizing the separation and orderly arrangement of stickers one by one. This design allows stickers to be gripped and conveyed stably and accurately, avoiding sticker sticking and confusion, improving the efficiency and accuracy of sticker paging, and thus improving the working efficiency and stability of the entire sticker packaging machine, ensuring that subsequent packaging processes can proceed smoothly.

[0007] In summary, this application includes at least one of the following beneficial technical effects: 1. By setting up an adhesive strip pressing component, a material pushing component, a thermoplastic cutting component, and a sealing component, the suction cup bag support component in the existing technology is replaced. This avoids the complex cooperation between the suction cup bag support component structure and other structures, simplifies the structural cooperation, improves the smoothness of sticker bagging, and thus reduces the bagging error rate. 2. A double-sided adhesive strip is pressed onto the edge of the bag opening using an adhesive strip pressing assembly, and a sealing assembly is used to flip and stick the side with the double-sided adhesive strip to the side without the double-sided adhesive strip. This double-sided adhesive strip sealing replaces the thermoplastic sealing, eliminating the need for brute force to tear open the bag and making it easier to open. 3. The pusher plate extends into the cavity of the bag material from the bag opening. The pusher plate driver drives the pusher plate to move towards the thermoplastic cutting assembly. In this way, when the sticker is conveyed to the appropriate position, the pusher plate can accurately push the sticker into the bag material. Since the thermoplastic cutting assembly has already sealed one end of the bag material, pushing the sticker can drive the sealed end of the bag material to pass through the thermoplastic cutting assembly simultaneously. Attached Figure Description

[0008] Figure 1 This is a structural diagram of a sticker dispensing machine according to this application; Figure 2 This is a structural diagram of the push plate of a sticker dispensing machine according to this application.

[0009] Explanation of reference numerals in the attached drawings: 1. Frame; 2. Conveying mechanism; 3. Page feeding mechanism; 4. Sealing and packaging mechanism; 21. Conveying component; 22. Limiting rod; 23. Receiving groove; 41. Bag material conveying assembly; 42. Adhesive strip pressing assembly; 43. Pushing assembly; 44. Thermoplastic cutting assembly; 45. Sealing assembly; 411. Conveyor belt; 412. Unwinding roller; 413. Conveying roller; 421. Adhesive strip roller; 422. First pressing roller; 423. Second pressing roller; 431. Mounting plate; 432. Push plate; 433. Push plate drive component; 441. Thermoplastic cutter; 442. Lifting drive component; 443. Buffer component; 451. Brush head; 452. Brush head drive component. Detailed Implementation

[0010] The following is in conjunction with the appendix Figure 1-2 This application will be described in further detail.

[0011] This application provides a sticker dispensing machine, which, according to an embodiment, is described below. Figure 1 and Figure 2The system includes a frame 1 and a conveying mechanism 2, a paging feeding mechanism 3, and a sealing and packaging mechanism 4, which are arranged sequentially on the frame 1 according to the packaging process. The sealing and packaging mechanism 4 includes a bag material conveying component 41, a tape pressing component 42, a pushing component 43, a thermoplastic cutting component 44, and a sealing component 45, which are arranged on the frame 1. The components work together to realize the automated packaging of stickers, reduce the bagging error rate, and allow the packaging bags to be reused.

[0012] Specifically, in this embodiment, the conveying mechanism 2 includes a conveying component 21 and limiting rods 22 spaced apart from the conveying component 21. The limiting rods 22 move synchronously with the conveying component 21, and a receiving groove 23 is provided between two adjacent limiting rods 22. The conveying component 21 can be a transmission chain structure, which can operate stably. The limiting rods 22 are plastic rods, which are bolted to the conveying component 21 to ensure a firm connection. When the conveying component 21 operates, the limiting rods 22 move synchronously to prepare for subsequent sticker gripping.

[0013] Specifically, in this embodiment, the paging feeding mechanism 3 includes two paging feeding structures for placing stacked stickers. The two paging feeding structures are arranged sequentially along the conveying direction of the conveying mechanism 2. The stickers are stacked vertically in the placement slots of the paging feeding structures. When the limiting rod 22 of the conveying mechanism 2 moves to the bottom of the paging feeding structure, since there is a sensing device between the limiting rod 22 and the paging feeding mechanism 3, when the limiting rod 22 is sensed, the paging feeding mechanism 3 automatically starts the feeding operation, pushing out the bottom sticker of the stacked paper, so that the sticker falls into the receiving slot 23 behind the limiting rod 22, thus realizing the paging feeding of the stickers.

[0014] The conveying mechanism 2 and the paging feeding mechanism 3 in this embodiment are both existing technologies, and their specific structures and working principles will not be described in detail here.

[0015] Specifically, the bag material conveying assembly 41 in this embodiment includes a conveyor belt 411, an unwinding roller 412, and a conveying roller 413 mounted on the frame 1. The unwinding roller 412 is fixed and holds the bag material roll, while the conveying roller 413 is rotatable and guides the bag material conveying. The conveying direction of the conveyor belt 411 is perpendicular to the conveying direction of the conveying mechanism 2. The thermoplastic cutting assembly 44 is mounted on the conveying path of the conveyor belt 411. The unwinding roller 412 is typically made of metal and is cylindrical in shape with a smooth surface to reduce friction with the bag material and ensure smooth unwinding. The conveying roller 413 is also cylindrical and can be made of metal or plastic. It is driven by a motor to rotate, thereby guiding the bag material along a set path. The conveyor belt 411 continuously operates, conveying the bag material to the subsequent processing position.

[0016] Specifically, in this embodiment, the adhesive strip pressing assembly 42 includes an adhesive strip roller 421, a first pressing roller 422, and a second pressing roller 423. The adhesive strip roller 421 holds an adhesive strip roll, and a pressing gap is formed between the first pressing roller 422 and the second pressing roller 423. When the double-sided adhesive strip and the bag material pass through the pressing gap simultaneously, the double-sided adhesive strip can be adhered to the edge of the bag opening. The adhesive strip roller 421 is generally made of metal or plastic and is cylindrical, used to hold the adhesive strip roll. The first pressing roller 422 and the second pressing roller 423 are also cylindrical and can be made of metal with a specially treated surface to ensure a good pressing effect. When the bag material and the double-sided adhesive strip pass through the pressing gap, the gap between the first pressing roller 422 and the second pressing roller 423 matches the conveying angle, allowing the double-sided adhesive strip to be tightly pressed onto the bag material.

[0017] Specifically, in this embodiment, the bag material refers to a piece of film material that is folded asymmetrically to become a double-sided film material. The two layers of film material are stretched to form a U-shaped structure and an internal cavity is formed. One edge of the double-sided film material protrudes beyond the edge of the other side. Double-sided adhesive strips are attached to the protruding edge of the bag material. The end of the bag material with the double-sided adhesive strips is the bag opening that needs to be sealed later.

[0018] Specifically, in this embodiment, the material pushing assembly 43 includes a mounting plate 431, a pusher plate 432, and a pusher plate drive component 433. The pusher plate drive component 433 is mounted on the frame 1 on one side of the conveyor belt 411. The pusher plate 432 is located at the end of the mounting plate 431. The pusher plate drive component 433 drives the mounting plate 431 to extend the pusher plate 432 from the bag opening into the cavity of the bag material, and drives the pusher plate 432 to move towards the thermoplastic cutting assembly 44. The mounting plate 431 has an L-shaped structure and is fixed to the pusher plate drive component 433 with bolts to ensure its installation stability. The pusher plate 432 is a U-shaped plate used to open the bag material. The U-shaped plate is provided with a U-shaped groove facing the thermoplastic cutting assembly 44, and one side of the U-shaped groove faces the conveying mechanism 2. When the conveying mechanism 2 conveys the sticker to the U-shaped groove, the pusher plate 432 pushes the sticker and drives the bag material to pass through the thermoplastic cutting assembly 44 together. The push plate drive component 433 can be a lead screw cylinder, which drives the push plate 432 to move by extending and retracting the cylinder, or it can be an electric push rod to drive the push plate 432 to move. In particular, the discharge end of the conveyor 21 is located on one side of the conveyor belt 411. When the conveyor 21 conveys the sticker to the discharge end, due to inertia, the sticker can slide into the U-shaped groove along the bag opening.

[0019] Specifically, the thermoplastic cutting assembly 44 in this embodiment includes a thermoplastic cutter 441, a lifting drive 442, and a buffer 443. The lifting drive 442 drives the thermoplastic cutter 441 to move up and down. The thermoplastic cutter 441 is positioned perpendicular to the conveying direction of the conveyor belt 411, and its initial position is directly above the bag material. The buffer 443 provides cushioning for the movement of the thermoplastic cutter 441. The thermoplastic cutter 441 is made of metal, and its blade is specially treated to quickly cut the bag material when heated. The lifting drive 442 can be a screw and nut mechanism driven by a motor, which realizes the up and down movement of the thermoplastic cutter 441 through the rotation of the motor. The buffer 443 can be a spring, which acts as a buffer when the thermoplastic cutter 441 descends, avoiding excessive impact on the bag material. The thermoplastic cutting assembly 44 in this embodiment is based on existing packaging device technology, and its specific structure and working principle will not be described in detail here.

[0020] Specifically, this embodiment uses a sealing assembly 45. The sealing assembly 45 includes a brush head 451 and a brush head drive 452. The brush head drive 452 is positioned on the side of the conveyor belt 411 near the bag opening and drives the brush head 451 to flip the side of the packaging bag opening with double-sided adhesive strips upwards and adhere it to the side without double-sided adhesive strips. The brush head 451 consists of soft bristles and a handle, with the handle connected to the brush head drive 452. The brush head drive 452 can be a motor, which rotates to drive the brush head 451 to oscillate. The sealed product is conveyed to the product collection area via the conveyor belt 411.

[0021] The implementation principle of this embodiment is as follows: This sticker dispensing machine achieves automated sticker dispensing and packaging through the coordinated work of its various components. The conveying mechanism 2 and the paging feeding mechanism 3 work together to sequentially transport the stickers to appropriate positions. The bag material conveying component 41 continuously transports the bag material to the designated position, the adhesive strip pressing component 42 presses double-sided adhesive strips onto the edge of the bag opening, and the pushing component 43 pushes the stickers and bag material simultaneously through the thermoplastic cutting component 44. The thermoplastic cutting component 44 cuts the bag material into individual packaging bags, and the sealing component 45 seals the bag opening with double-sided adhesive strips. Compared with existing technologies, this avoids complex suction cup bag-holding components, reduces the bagging error rate, and uses double-sided adhesive strips for easy opening of the packaging bags. The packaging bags can be reused, improving production efficiency and resource utilization, and making a significant improvement and contribution to existing sticker dispensing and packaging technologies.

[0022] The above are all preferred embodiments of this application and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A sticker packaging machine, comprising a frame (1) and a conveying mechanism (2), a paging feeding mechanism (3), and a sealing and packaging mechanism (4) disposed on the frame (1), characterized in that, The sealing and packaging mechanism (4) includes a bag material conveying assembly (41), an adhesive strip pressing assembly (42), a pushing assembly (43), a thermoplastic cutting assembly (44), and a sealing assembly (45). The bag material conveying assembly (41) is used to convey continuous bag material. The adhesive strip pressing assembly (42) is used to press double-sided adhesive strips onto the edge of the bag material opening on the bag material conveying path. The pushing assembly (43) is used to extend into the cavity of the bag material and push the sticker and bag material to pass through the thermoplastic cutting assembly (44) simultaneously. The thermoplastic cutting assembly (44) is used to cut the bag material to form a single packaging bag wrapped with a sticker. The sealing assembly (45) is used to flip the side of the packaging bag opening with double-sided adhesive strips and stick it to the side without double-sided adhesive strips.

2. The sticker dispensing machine according to claim 1, characterized in that, The bag material conveying assembly (41) includes an unwinding roller (412) and a conveying roller (413) disposed on the frame (1). The unwinding roller (412) is fixed and holds the bag material roll, while the conveying roller (413) is rotatable for guiding the bag material conveying.

3. The sticker dispensing machine according to claim 1, characterized in that, The adhesive strip pressing assembly (42) includes an adhesive strip roller (421), a first pressing roller (422), and a second pressing roller (423). The adhesive strip roller (421) holds an adhesive strip roll. A pressing gap is formed between the first pressing roller (422) and the second pressing roller (423). When the double-sided adhesive strip and the bag material pass through the pressing gap at the same time, the double-sided adhesive strip is bonded to the edge of the bag opening.

4. The sticker dispensing machine according to claim 2, characterized in that, The bag material conveying assembly (41) also includes a conveyor belt (411), the conveying direction of the conveyor belt (411) is perpendicular to the conveying direction of the conveying mechanism (2), and the thermoplastic cutting assembly (44) is disposed on the conveying path of the conveyor belt (411).

5. The sticker dispensing machine according to claim 4, characterized in that, The material pushing assembly (43) includes a mounting plate (431), a push plate (432), and a push plate drive (433). The push plate drive (433) is located on one side of the conveyor belt (411). The push plate (432) is located at the end of the mounting plate (431). The push plate drive (433) drives the mounting plate (431) to extend from the bag opening into the cavity of the bag material and drives the push plate (432) to move toward the thermoplastic cutting assembly (44).

6. The sticker dispensing machine according to claim 5, characterized in that, The push plate (432) is U-shaped and has a U-shaped groove facing the thermoplastic cutting assembly (44). One side of the U-shaped groove faces the conveying mechanism (2). When the conveying mechanism (2) conveys the sticker to the U-shaped groove, the push plate (432) pushes the sticker and drives the bag material through the thermoplastic cutting assembly (44).

7. The sticker dispensing machine according to claim 4, characterized in that, The thermoplastic cutting assembly (44) includes a thermoplastic cutter (441), a lifting drive (442), and a buffer (443). The lifting drive (442) drives the thermoplastic cutter (441) to move up and down. The layout direction of the thermoplastic cutter (441) is perpendicular to the conveying direction of the conveyor belt (411). The buffer (443) is used to provide a buffering effect for the movement of the thermoplastic cutter (441).

8. The sticker dispensing machine according to claim 4, characterized in that, The sealing assembly (45) includes a brush head (451) and a brush head drive (452). The brush head drive (452) is located on one side of the conveyor belt (411) and drives the brush head (451) to flip the side of the packaging bag with the double-sided adhesive strip upward.

9. The sticker dispensing machine according to claim 1, characterized in that, The paging feeding mechanism (3) includes two paging feeding structures for placing stacked stickers, and the two paging feeding structures are arranged sequentially along the conveying direction of the conveying mechanism (2).

10. The sticker dispensing machine according to claim 9, characterized in that, The conveying mechanism (2) includes a conveying component (21) and a limiting rod (22) spaced apart from the conveying component (21). The limiting rod (22) moves synchronously with the conveying component (21). A receiving groove (23) is provided between two adjacent limiting rods (22). When the limiting rod (22) moves to the bottom of the paging feeding structure, the paging feeding mechanism (3) pushes out the sticker at the bottom of the stacked sticker, so that the sticker falls into the receiving groove (23) behind the limiting rod (22).

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