A sealing machine
By setting a wing tip and an outward protrusion at the punch end of the closure machine punch, the problem of bent tack feet is solved, thus improving the reliability of sealing and the durability of the equipment, and reducing the waste of tacks and household waste.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 深圳舞迪科技有限公司
- Filing Date
- 2025-07-30
- Publication Date
- 2026-05-26
AI Technical Summary
When existing tying machines are stamping tacks, the tack legs tend to bend in opposite directions, leading to sealing failure and wasted tacks.
Design a tying machine with wing tips on both sides of the punch end of the punch. The inner side of the wing tips abuts against the end of the tack crown. During punching, the wing tips prevent the tack feet from bending away from each other, and the durability of the punch is enhanced by the outward protrusion and reinforcing ridge.
It effectively prevents the nail feet from bending, ensures successful sealing, reduces nail waste, improves equipment durability, facilitates disassembly of the seal, and reduces household waste.
Smart Images

Figure CN224277815U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of sealing machine technology, and in particular to a sealing machine. Background Technology
[0002] Sealing machines are commonly found in shopping malls. Users place the opening of a plastic bag into the sealing opening of the machine, and the machine uses a punch to press the sealing studs, sealing the opening of the plastic bag.
[0003] In the existing technology, sometimes when the punch is used to press the tack, the tack legs bend in a direction away from each other. This situation makes it impossible to seal the plastic bag opening and also results in the waste of tacks.
[0004] Therefore, there are still problems in the existing technology that need to be solved. Utility Model Content
[0005] The main purpose of this invention is to provide a tying machine that prevents the tack legs from bending away from each other during stamping.
[0006] To achieve the above objectives, the present invention proposes a tying machine, which includes a support and a punch assembly. The support is provided with a guide rail, and the punch assembly includes a punch and a driving component for moving the punch. Both sides of the punch end of the punch are provided with wingtips, and the inner side of the wingtips is used to hold the end of the tack crown.
[0007] Preferably, the tips of both wings are located within the boundary formed by the two sides of the punch in the punching direction.
[0008] Preferably, the wingtip has an arc-shaped profile.
[0009] Preferably, the minimum distance between the two wingtips is not less than 10.3 mm.
[0010] Preferably, the punch end of the punch has an outward protrusion between the tips of the two wings.
[0011] Preferably, the outline of the convex portion is arc-shaped.
[0012] Preferably, the opposite sides of the two wingtips have inclined arc surfaces, and the two wingtips and the outward convex part form an "M" shape.
[0013] Preferably, a reinforcing rib is provided below the protruding part of the punch, and the reinforcing rib is fixed to the punch or integrally formed with the punch.
[0014] This application provides a tying machine, including a support and a punch assembly. The support is provided with a guide rail, and the punch assembly includes a punch and a drive component for moving the punch. Both sides of the punch end of the punch are provided with wingtips, the inner side of which is used to abut the end of the tying nail's crown. This is intended to prevent the tying nail's feet from bending away from each other during punching. Attached Figure Description
[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.
[0016] Figure 1 This is a schematic diagram of an embodiment of the sealing machine of this utility model;
[0017] Figure 2 This is a schematic diagram of the punch assembly of an embodiment of the sealing machine of this utility model;
[0018] Figure 3 This is a schematic diagram of a punch in an embodiment of the sealing machine of this utility model;
[0019] Figure 4 This is an enlarged view of the punch end of the punch in an embodiment of the sealing machine of this utility model;
[0020] Figure 5 This is another enlarged view of the punch end of the punch in one embodiment of the sealing machine of this utility model;
[0021] Figure 6 A schematic diagram of a tying staple adapted to the punch of a tying machine according to an embodiment of the present invention.
[0022] Figure 7 This is another enlarged view of the punch end of the punch in one embodiment of the sealing machine of this utility model.
[0023] Explanation of icon numbers:
[0024] label name label name 100 support 212 Outer convex part 200 punch assembly 213 Strengthening edge 210 punch knife 220 Drive components 211 wingtip 300 guide
[0025] The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation
[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0027] It should be noted that if the embodiments of this utility model involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicators will also change accordingly.
[0028] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of indicated technical features. Therefore, features defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. If the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.
[0029] Sealing machines are commonly found in shopping malls. Users place the opening of a plastic bag into the sealing opening of the machine, and the machine uses a punch to press the sealing studs, sealing the opening of the plastic bag.
[0030] In the existing technology, sometimes when the punch is used to press the tack, the tack legs bend in a direction away from each other. This situation makes it impossible to seal the plastic bag opening and also results in the waste of tacks.
[0031] To address the aforementioned issues, this patent provides a snagging machine designed to prevent the snagging pins from bending in opposite directions during stamping.
[0032] For ease of understanding, the specific implementation methods of the embodiments of this application will be described in detail below with reference to the accompanying drawings.
[0033] Please see Figure 1 , Figure 2 and Figure 4A sealing machine includes a support 100 and a punch assembly 200. The support 100 is equipped with a guide rail 300. The punch assembly 200 includes a punch 210 and a drive member 220 for moving the punch 210. Both sides of the punch end of the punch 210 are provided with wingtips 211, the inner side of which abuts against the end of the pin crown. When sealing a plastic bag, the punch 210 moves closer to the pin, and the inner side of the wingtips 211 abuts against the end of the pin crown, causing the pin legs to bend closer together. The punch 210 pushes the pin forward until it presses against the side wall at the sealing position, further bending the pin legs, thus sealing the plastic bag opening. In this implementation, during the stamping process, the wingtip 211 has an inward resisting effect on both ends of the tack crown, and the two ends of the tack crown correspond to the positions of the tack feet, thereby preventing the tack feet from bending outward and deforming unexpectedly when sealing the packaging bag.
[0034] It should be noted that the wingtips 211 on both sides of the punch end of the punch 210 can be implemented in various ways. This embodiment provides the following implementation methods, please refer to [link / reference]. Figure 3 Both wingtips 211 are located within the boundary formed by the two sides of the punch 210 in the direction of the punch. Figure 3 In the diagram, the distance between the two dashed lines is within the boundary formed by the two sides of the punch 210 in the punching direction. This implementation ensures that when the wingtip 211 abuts against the end of the pin crown, the stress at the connection between the wingtip 211 and the punch 210 is relatively small, and the wingtip 211 is entirely within the width of the punch 210, providing some support. The wingtip 211 itself is not easily deformed or broken.
[0035] It should be noted that the wingtip 211 can be implemented in various ways. This embodiment provides the following implementation methods, please refer to [link / reference]. Figure 4 The wingtip 211 has an arc-shaped profile. In this configuration, when the inner side of the wingtip 211 abuts against the end of the tack's crown, the tack's prongs will not bend excessively towards each other. Before the tack is stamped, the opening of the plastic bag can be inserted between the two prongs, successfully completing the seal. Furthermore, since tacks are non-precision products, the width of different batches may vary within a certain range. The arc-shaped profile allows for a larger width error in the tacks, and within a general error range, they can function normally without malfunctions such as jamming.
[0036] It should be noted that, in order to ensure that the inner side of the wingtip 211 can abut against the end of the pin crown, this embodiment provides the following implementation method, please refer to [link / reference]. Figure 3 The minimum distance between the two wingtips 211 is not less than 10.3mm.
[0037] The tying machine of this application uses tacks frequently and requires high durability. Each malfunction would seriously affect the customer's shopping experience. To enhance durability, the tying machine of this application has an outward protrusion 212 located between the two wing tips 211 at the punch end, making the punch end as a whole "M" shape. The crown of the matching tack is also "M" shaped. That is, during punching, the punching surface is "M" shaped, which can ensure that the punch 210 and the tack will not tilt due to excessive force during punching. It also increases the contact area, which can reduce the pressure between the punch end of the punch 210 and the tack, further reducing the possibility of the tack deforming before sealing the shopping bag, reducing the accidental failure rate, and ensuring long-term durability.
[0038] In addition, the "M" type tack is equivalent to pre-bending the tack feet and crown. After the shopping bag is sealed, the total bending angle of the tack feet relative to the crown is smaller than that of a flat tack. Shoppers can remove the sealed tacks more easily without damaging the shopping bag, increasing the possibility of reusing the shopping bag and helping to reduce the total amount of household waste.
[0039] Based on the above implementation method, in order to avoid breaking the crown of the rivet, this embodiment provides the following implementation method, please refer to [link / reference]. Figure 4 The outline of the protruding part 212 is curved. Compared with other sharp outlines, the curved outline is less likely to break the crown of the staple.
[0040] Furthermore, the shapes of the two wingtips 211 and the outward protrusions 212 can be implemented in various ways. This embodiment provides the following implementation methods, please refer to [link / reference]. Figure 7 The two wingtips 211 have sloping arc surfaces on opposite sides, and the two wingtips 211 and the outward protrusion 212 form an "M" shape.
[0041] It should be noted that, in order to make the punch 210 more robust and durable, this embodiment provides the following implementation method, please refer to [link / reference]. Figure 5 The punch 210 has a reinforcing rib 213 below the protrusion 212. The reinforcing rib 213 is fixed to the punch 210 as a whole or is integrally formed with the punch 210. The reinforcing rib 213 makes the punch 210 more rigid and durable.
[0042] In summary, the tying machine provided in this application includes a support 100 and a punch assembly 200. The support 100 is provided with a guide rail 300. The punch assembly 200 includes a punch 210 and a drive member 220 for moving the punch 210. Both sides of the punch end of the punch 210 are provided with wingtips 211, the inner side of which abuts against the end of the tying nail's crown. This aims to prevent the tying nail's feet from bending away from each other during punching.
[0043] The above description is only a preferred embodiment of the present utility model and does not limit the patent scope of the present utility model. All equivalent structural transformations made under the inventive concept of the present utility model using the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present utility model.
Claims
1. A notching machine characterized by, It includes a bracket and a punch assembly, wherein the bracket is provided with a guide rail, and the punch assembly includes a punch and a drive component for driving the punch to move; The punch has wing tips on both sides of the punch end, and the inner side of the wing tips is used to hold the end of the rivet crown.
2. The lacer according to claim 1, wherein Both wingtips are located within the boundary formed by the two sides of the punch in the punching direction of the punch.
3. The sealing machine as described in claim 1, characterized in that, The wingtip has an arc-shaped profile.
4. The sealing machine as described in claim 1, characterized in that, The minimum distance between the two wingtips is not less than 10.3 mm.
5. The sealing machine as described in claim 1, characterized in that, The punch end of the punch has an outward protrusion between the two wingtips.
6. The sealing machine as described in claim 5, characterized in that, The outline of the convex portion is arc-shaped.
7. The sealing machine as described in claim 6, characterized in that, The two wingtips have inclined arc surfaces on their opposite sides, and the two wingtips and the convex portion form an "M" shape.
8. The sealing machine as described in claim 5, characterized in that, The punch has a reinforcing rib below the protruding part, and the reinforcing rib is fixed to the punch or integrally formed with the punch.