High-speed packaging machine

Abstract

The utility model discloses a high-speed packaging machine, and relates to the technical field of heat shrinkage film corner cutting packaging. The high-speed packaging machine comprises a film supply device used for expanding a folded double-layer film, so that a containing space is formed between the double-layer film; the feeding device is used for continuously pushing the packing materials into the accommodating space from the first opening or the second opening according to a certain rhythm; a hot cutting mechanism of the edge sealing device is used for performing edge sealing and hot cutting on the double-layer film of the second opening; and a double-edged knife assembly of the cutting device is used for cutting the double-layer film sealing edge between two adjacent packaging materials into independent packaging materials, and meanwhile, four regular corners which can be conveniently cut off in the subsequent corner cutting procedure are formed. By integrating a plurality of working procedures such as film supplying, feeding, edge sealing and corner cutting, continuous operation is performed in the product moving process, and high-speed corner cutting packaging is achieved. And meanwhile, it is ensured that hot cutting lines of the four corners of the packaging material are well attached to the edges of the product, and the high-quality and attractive requirements of high-end product packaging are met.

Description

Technical Field

[0001] This utility model relates to the field of heat shrink film corner cutting packaging technology, and in particular to a high-speed packaging machine. Background Technology

[0002] In a commercialized society, businesses generally prioritize the design and quality of their product packaging to enhance their product image and market competitiveness. For goods such as electronics, food, cosmetics, and pharmaceuticals, attractive packaging not only attracts consumers' attention but also provides protection against moisture, dust, and scratches. Therefore, wrapping the outer surface of the packaging with a transparent film has become a popular choice for many companies.

[0003] However, existing packaging machines have certain shortcomings in efficiency. Traditional packaging machines often use an intermittent reciprocating motion mode, which leads to low packaging efficiency. The packaging cycle (CT) of a single product can be as long as 3 seconds or even longer, which cannot meet the needs of modern industrial production for efficient and fast packaging. Utility Model Content

[0004] To solve the above-mentioned technical problems, this utility model provides a high-speed packaging machine. The high-speed packaging machine includes: a film supply device, which is used to open a folded double-layer film to form an accommodating space between the double-layer film, the accommodating space having a first opening and a second opening;

[0005] A feeding device is used to continuously push the packaged goods into the receiving space from the first opening or the second opening at a certain rhythm.

[0006] An edge-sealing device, the edge-sealing device including a hot-cutting mechanism, the hot-cutting mechanism being used to hot-cut the double-layer film edge-sealing of the second opening;

[0007] A cutting device, the cutting device including a double-edged blade assembly, the double-edged blade assembly including a first blade and a second blade arranged in parallel, the first blade and the second blade being used to cut the double-layer film seal between two adjacent packages;

[0008] A corner-cutting device is used to straighten the corners of packaging bags on the surface of the packaging material and then cut off the straightened corners.

[0009] In one possible implementation of this application, the cutting device further includes a bottom blade assembly and a drive assembly, wherein the drive assembly is used to drive the double-edged blade assembly and the bottom blade assembly to move synchronously towards each other.

[0010] In one possible implementation of this application, the drive assembly includes a linkage mechanism, which includes a first link and a second link. The first link is connected to the double-edged blade assembly, and the second link is connected to the bottom blade assembly. The first link and the second link are connected through a transmission assembly to achieve synchronous movement.

[0011] In one possible implementation of this application, the cutting device further includes a first cam and a second cam. The first connecting rod is connected to the first cam via a cam roller, and the second connecting rod is connected to the second cam via a cam roller. The first cam and the second cam are disposed on the same plane and are symmetrically arranged. Both the first cam and the second cam include curved segments and straight segments. When the first connecting rod moves to the straight segment of the first cam, the second connecting rod moves to the straight segment of the second cam. At this time, the double-edged blade assembly engages with the bottom blade assembly.

[0012] In one possible implementation of this application, the hot cutting mechanism includes an edge sealing hot cutting knife and an edge sealing bottom knife. The edge sealing hot cutting knife is connected to a breakpoint swing arm, which is used to drive the edge sealing hot cutting knife away from or towards the edge sealing bottom knife.

[0013] In one possible implementation of this application, one end of the breakpoint lever is connected to the edge sealing hot cutting knife, and the other end is connected to the first rotating shaft, wherein the edge sealing hot cutting knife can move around the first rotating shaft.

[0014] In one possible implementation of this application, the edge sealing hot cutting knife is arranged perpendicularly to the breakpoint swing arm, the breakpoint swing arm is provided with a first roller, the first roller is slidably connected to the swing block, and the contact surface between the swing block and the first roller includes a protruding section.

[0015] In one possible implementation of this application, the swing block includes a first transverse groove, a second rotating shaft is provided on one side of the first transverse groove, the swing block is connected to the second rotating shaft, and a second roller is connected to the first transverse groove.

[0016] Compared with existing technologies, this utility model provides a high-speed packaging machine that integrates multiple processes such as film feeding, material feeding, edge sealing, and corner cutting, enabling continuous operation during product movement and achieving high-speed corner-cutting packaging. The double-blade assembly of the cutting device cuts the double-layer film seal between two adjacent packages into independent packages, simultaneously forming four regular corners that are easy to remove in the subsequent corner-cutting process. Compared to traditional intermittent reciprocating packaging machines, this utility model provides a high-speed packaging machine with faster continuous movement, shortening the packaging cycle for a single product and greatly improving packaging efficiency, meeting the demands of modern industrial production for high-efficiency packaging. The cutting device provided in this application ensures both the tightness of the packaging and reduces packaging excess. The packaging excess can be controlled within a range of less than or equal to 8mm, effectively avoiding the problem of excessive gaps between the packaging bag and the product in traditional packaging processes, preventing the four corners from forming a regular shape. Simultaneously, it ensures that the heat-cut lines at the four corners of the packaging fit well with the product edges, meeting the high-quality and aesthetic requirements of high-end product packaging. The hot-cutting mechanism of the sealing device can hot-cut the double-layer film sealing edge of the second opening, ensuring the airtightness of the packaging. The cut corners of the packaging can be shaped, providing a basis for subsequent corner trimming. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the embodiments of this application will be described below.

[0018] Figure 1 This is a structural schematic diagram of a high-speed packaging machine provided by this utility model;

[0019] Figure 2 yes Figure 1 Top view;

[0020] Figure 3 This is a schematic diagram of the structure of the double-layer film in an embodiment of this utility model;

[0021] Figure 4 This is a schematic diagram of the cutting device in an embodiment of the present invention;

[0022] Figure 5 This is another structural schematic diagram of the cutting device in an embodiment of this utility model;

[0023] Figure 6 This is a schematic diagram of the structure of the double-edged blade assembly in an embodiment of this utility model;

[0024] Figure 7 This is another structural schematic diagram of the double-edged blade assembly in an embodiment of this utility model;

[0025] Figure 8 This is a cross-sectional structural schematic diagram of the cutting device according to an embodiment of the present invention;

[0026] Figure 9 This is a schematic diagram of the structure of the first cam and the second cam in an embodiment of this utility model;

[0027] Figure 10 This is a schematic diagram of the edge-sealing device in an embodiment of this utility model;

[0028] Figure 11 This is another structural schematic diagram of the edge-sealing device in this utility model embodiment;

[0029] Figure 12 This is a flowchart of a packaging process provided in an embodiment of this utility model;

[0030] Figure 13 This is a schematic diagram of the step of cutting off in an embodiment of this utility model;

[0031] Figure 14 This is a schematic diagram illustrating the effects of edge sealing and cutting in an embodiment of this utility model. Detailed Implementation

[0032] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model 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 merely illustrative of the present utility model and are not intended to limit the present utility model.

[0033] In the embodiments of this utility model, the terms "first," "second," etc., are used only to distinguish related technical features and do not indicate a sequential order. It should be understood that such data can be interchanged where appropriate for the embodiments of this application described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion. For example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatus.

[0034] In this application, the terms "upper," "lower," "inner," "middle," "outer," "front," and "rear," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. These terms are primarily for the purpose of better describing this application and its embodiments, and are not intended to limit the indicated device, element, or component to having a specific orientation, or to be constructed and operated in a specific orientation.

[0035] Furthermore, in addition to indicating location or positional relationship, some of the aforementioned terms may also have other meanings. For example, the term "above" may also be used in some cases to indicate a certain dependency or connection relationship. Those skilled in the art can understand the specific meaning of these terms in this application based on the specific circumstances.

[0036] This utility model provides a high-speed packaging machine that integrates multiple processes such as film feeding, material feeding, edge sealing, and corner cutting, enabling continuous operation during product movement and achieving high-speed corner-cutting packaging. Compared to traditional intermittent reciprocating packaging machines, the continuous movement speed is faster, the packaging cycle for a single product can be further shortened, and packaging efficiency is improved, meeting the demands of modern industrial production for efficient packaging. The cutting device provided in this application ensures both the tightness of the packaging and reduces packaging excess. The double-blade assembly of the cutting device is used to cut the double-layer film seal between two adjacent packages into independent packages, while simultaneously forming four regular corners that are easy to remove in the subsequent corner-cutting process. The packaging excess can be controlled within a range of less than or equal to 8mm, effectively avoiding the problem of excessive gaps between the packaging bag and the product in traditional packaging processes, which prevents the four corners from forming a regular shape. At the same time, it ensures that the heat-cut lines at the four corners of the packaging fit well with the product edges, meeting the high-quality and aesthetic requirements of high-end product packaging. Example

[0037] This utility model embodiment provides a high-speed packaging machine, such as Figures 1 to 11 As shown, the high-speed packaging machine includes: a film feeding device 10, which is used to open a folded double-layer film to form a receiving space 110 between the double-layer film, the receiving space 110 having a first opening 120 and a second opening 130; a feeding device 40, which is used to continuously push the packaged item into the receiving space 110 from the first opening 120 or the second opening 130 at a certain rhythm; and a sealing device 20, which includes a heat-cutting mechanism 210, which is used to seal the second opening 120. 30 double-layer film edge sealing heat cutting; cutting device 30, the cutting device 30 includes a double-edged knife assembly 310, the double-edged knife assembly 310 includes a first blade 3110 and a second blade 3120 arranged in parallel, the first blade 3110 and the second blade 3120 are used to cut the double-layer film edge sealing between two adjacent packages, and at the same time form four regular corners that can be removed in the subsequent corner cutting process; corner cutting device 50, the corner cutting device 50 is used to straighten the corners of the packaging bag on the surface of the packaging and cut off the straightened corners.

[0038] The high-speed packaging machine provided in this application can simultaneously complete a series of actions, including bag making, during product movement. It operates at a high continuous speed, achieving a CT=1S. Packaging allowance is minimal, less than or equal to 8mm. The corners of the packaged item can be shaped after cutting, allowing for further corner trimming. After corner trimming, heat shrinking can be performed. Heat shrinking can be achieved using other auxiliary equipment.

[0039] The compatibility of high-speed packaging machines can be increased by changing the relative starting positions between the feeding device 40 and the cutting device 30.

[0040] This high-speed packaging machine is suitable not only for packaging square items but also for products of other shapes and sizes. Furthermore, the cut packaging can undergo heat shrinking, achieved through other auxiliary equipment, further enhancing the tightness and protective properties of the packaging. Because this high-speed packaging machine improves packaging efficiency and optimizes packaging results, the packaging cost per unit product is reduced. Simultaneously, the continuous operation mode minimizes equipment downtime, further lowering production costs.

[0041] like Figure 3 As shown, this application generally uses a folded or bifolded double-layer film. The film supply device 10 opens the folded double-layer film to form an accommodating space 110 between the double-layer film. The accommodating space 110 has a first opening 120 and a second opening 130.

[0042] In this way, the film supply device 10 unfolds the folded double-layer film to form a receiving space 110. Simultaneously, because a natural separation has formed between the double-layer film, the feeding device 40 can more accurately push the package into the receiving space 110, reducing the possibility of operational errors. The double-edged blade assembly 310 of the cutting device 30 can precisely cut the double-layer film seal between two adjacent packages, making each package an independent unit. This facilitates subsequent corner trimming and possible heat shrinking.

[0043] like Figures 4 to 8 As shown, in some embodiments, the cutting device 30 further includes a bottom blade assembly 320 and a drive assembly 330, wherein the drive assembly 330 is used to drive the double-edged blade assembly 310 and the bottom blade assembly 320 to move synchronously towards each other.

[0044] In some embodiments, the drive assembly 330 includes a linkage mechanism 3310, which includes a first link 33110 and a second link 33120. The first link 33110 is connected to the double-edged blade assembly 310, and the second link 33120 is connected to the bottom blade assembly 320. The first link 33110 and the second link 33120 are connected through the transmission assembly 3320 to achieve synchronous movement.

[0045] In some embodiments, the cutting device 30 further includes a first cam 340 and a second cam 350, a first connecting rod 33110 connected to the first cam 340 via a cam roller, a second connecting rod 33120 connected to the second cam 350 via a cam roller, and the first cam 340 and the second cam 350 are disposed on the same plane.

[0046] In this way, by driving the double-edged blade assembly 310 and the bottom blade assembly 320 to move synchronously and continuously in opposite directions through the drive component 330, the cutting action can be made more precise and stable. This reduces errors in the cutting process, improves cutting accuracy, and also speeds up the cutting process, thereby improving overall packaging efficiency. The linkage mechanism 3310 includes a first link 33110 and a second link 33120, which are respectively connected to the double-edged blade assembly 310 and the bottom blade assembly 320, and are linked together through the transmission component 3320. This makes the movement of the double-edged blade assembly 310 and the bottom blade assembly 320 smoother and more coordinated, avoiding cutting quality problems caused by asynchronous movement. The first link 33110 is slidably connected to the first cam 340, and the second link 33120 is slidably connected to the second cam 350, and both are located on the same plane.

[0047] like Figure 9 As shown, in some embodiments, the first cam 340 and the second cam 350 are symmetrically arranged. Both the first cam 340 and the second cam 350 include curved segments and straight segments. When the first connecting rod 33110 moves to the straight segment of the first cam 340, the second connecting rod 33120 moves to the straight segment of the second cam 350. At this time, the double-edged blade assembly 310 and the bottom blade assembly 320 are engaged.

[0048] Understandably, the linkage mechanism 3310 rotates continuously, driving the double-edged blade assembly 310. Due to the characteristics of the linkage mechanism 3310, the double-edged blade assembly 310 can maintain vertical movement and complete the cutting step in the straight section of the cam.

[0049] Understandably, the symmetrical arrangement of the first cam 340 and the second cam 350 ensures precise synchronization between the double-edged blade assembly 310 and the bottom blade assembly 320 during the cutting process. When the first connecting rod 33110 moves to the straight segment of the first cam 340, the second connecting rod 33120 simultaneously moves to the straight segment of the second cam 350. At this point, the double-edged blade assembly 310 and the bottom blade assembly 320 accurately abut against each other, achieving a precise cutting action. The linkage mechanism 3310 rotates continuously, driving the double-edged blade assembly 310 to move. Due to the characteristics of the linkage mechanism 3310, the double-edged blade assembly 310 can maintain vertical movement, avoiding the problem of unstable cutting quality caused by changes in the direction of movement. This vertical cutting method is more stable and reliable, improving cutting accuracy. This application completes the cutting step on the straight segment of the cam, optimizing cutting efficiency. The symmetrical arrangement of the cams and the fixed cam simplifies the structure of the cutting device 30 and reduces the number of parts. This can reduce manufacturing costs and improve the reliability and stability of the cutting device 30.

[0050] like Figure 10 and Figure 11 As shown, in some embodiments, the hot cutting mechanism 210 includes an edge sealing hot cutting knife 2110 and an edge sealing bottom knife 2120. The edge sealing hot cutting knife 2110 is connected to a breakpoint swing rod 2130, which is used to drive the edge sealing hot cutting knife 2110 away from or closer to the edge sealing bottom knife 2120.

[0051] In some embodiments, one end of the breakpoint lever 2130 is connected to the edge sealing hot cutting knife 2110, and the other end is connected to the first rotating shaft 2140, so that the edge sealing hot cutting knife 2110 can move around the first rotating shaft 2140.

[0052] In some embodiments, the edge sealing hot cutting knife 2110 is perpendicularly arranged to the breakpoint swing arm 2130. The breakpoint swing arm 2130 is provided with a first roller 21310. The direction of the protrusion of the first roller 21310 is perpendicular to the breakpoint swing arm 2130 and is located between the edge sealing hot cutting knife 2110 and the first rotating shaft 2140. The first roller 21310 is slidably connected to the swing block 2150. The contact surface between the swing block 2150 and the first roller 21310 includes a protruding section 21510.

[0053] Of course, the first roller 21310 can also be set on the edge sealing hot cutting knife 2110, the edge sealing bottom knife 2120, the breakpoint rocker arm 2130 or other components. As long as the configuration can make the edge sealing hot cutting knife 2110 and the edge sealing bottom knife 2120 disconnect or connect by driving the first roller 21310, it is acceptable.

[0054] In some embodiments, the swing block 2150 includes a first transverse groove 21520, a second rotating shaft 2160 is provided on one side of the first transverse groove 21520, the swing block 2150 is connected to the second rotating shaft 2160, and the second roller 2170 is connected to the first transverse groove 21520.

[0055] The edge banding device 20 may also include a first elongated groove 21530, a third roller 21540, a swing plate 2180, and a drive wheel 2190. Understandably, the edge banding hot cutting blade 2110 and the edge banding bottom blade 2120 cooperate to complete the edge banding hot cutting. The edge banding hot cutting blade 2110 or the edge banding bottom blade 2120 can move around the first rotating shaft 2140 via the breakpoint swing rod 2130. When the edge banding hot cutting blade 2110 or the edge banding bottom blade 2120 can move around the first rotating shaft 2140 via the breakpoint swing rod 2130, the edge banding hot cutting blade 2110 disengages from the edge banding bottom blade 2120, stopping the edge banding hot cutting operation.

[0056] Specifically, the second roller 2170 can be mounted through the swing plate 2180, with one end engaging with the drive wheel 2190 and the other end slidably connected to the first transverse groove 21520. More specifically, one end of the second roller 2170 can engage with the groove on the drive wheel 2190, so that when the drive wheel 2190 rotates, the second roller 2170 can drive the swing plate 2180 to move. The second pivot 2160 can be the hinge point between the swing block 2150 and the swing plate 2180. The third roller 21540 is engaged in the first long groove 21530 of the swing block 2150, so that the swing plate 2180 can drive the swing block 2150 to move or swing through the third roller 21540.

[0057] In this way, the edge sealing hot cutting knife 2110 or the edge sealing bottom knife 2120 is installed on the breakpoint swing arm 2130, and the swing block 2150 drives the breakpoint swing arm 2130 to move through the first roller 21310. In this way, the edge sealing hot cutting knife 2110 is disengaged from the edge sealing bottom knife 2120, interrupting the edge sealing hot cutting, and the interrupted part forms the breakpoint part.

[0058] The edge-sealing hot-cutting blade 2110 is connected to the first rotating shaft 2140 via a breakpoint rocker arm 2130, allowing it to move around the first rotating shaft 2140. This enables the edge-sealing hot-cutting blade 2110 to move away from or closer to the edge-sealing bottom blade 2120 as needed, precisely controlling the start and end of the edge-sealing hot-cutting process and ensuring the stability and consistency of the edge-sealing quality. The first roller 21310 protrudes perpendicularly to the breakpoint rocker arm 2130 and is slidably connected to the protruding section 21510 on the swing block 2150. When the drive wheel 2190 rotates, the protruding section 21510 pushes the first roller 21310, thereby driving the breakpoint rocker arm 2130 and the edge-sealing hot-cutting blade 2110 to move, thus interrupting or resuming the edge-sealing hot-cutting process. The second roller 2170 is mounted through the swing plate 2180 and is configured to cooperate with the wheel groove on the drive wheel 2190. When the drive wheel 2190 rotates, it drives the swing plate 2180 to move via the second roller 2170, which in turn drives the swing block 2150 and the breakpoint swing rod 2130 to move via the third roller 21540. This efficient drive and motion transmission mechanism ensures the rapid response and stability of the edge sealing hot cutting action. When the edge sealing hot cutting knife 2110 or the edge sealing bottom knife 2120 moves around the first rotating shaft 2140 via the breakpoint swing rod 2130, the contact between them is broken, thus forming a breakpoint. This not only optimizes the formation process of the edge sealing breakpoint, but also reduces the thermal stress generated by continuous edge sealing hot cutting, improving the edge sealing quality. By integrating components such as the first cam 340, the second cam 350, the swing block 2150, and the swing plate 2180, the structure of the edge sealing device 20 is simplified, and the number of parts is reduced.

[0059] This utility model embodiment also provides a packaging process related to a high-speed packaging machine, such as... Figure 12 As shown, the packaging process includes the following steps:

[0060] S110: Film supply. The film supply device 10 unfolds the folded double-layer film to form an accommodating space 110 between the double-layer film. The accommodating space 110 has a first opening 120 and a second opening 130.

[0061] S120: Feeding: The feeding device 40 continuously pushes the packaged goods into the receiving space 110 from the first opening 120 or the second opening 130 at a certain rhythm.

[0062] S130: Sealing, the hot cutting mechanism 210 hot cuts the double-layer film of the second opening 130 to seal the edge;

[0063] S140: Cutting, the first blade 3110 and the second blade 3120 of the double-edged knife assembly 310 cut the double-layer film seal between two adjacent packages into independent packages, while forming four regular corners that can be removed in the subsequent corner cutting process.

[0064] S150: Corner cutting. The cut package is fed into the corner cutting device, which straightens the corners of the packaged bag on the surface of the package and cuts off the straightened corners.

[0065] S160: Heat shrinking, corner trimming and cutting of the packaging bag are heat-shrinked and adhered tightly to the surface of the packaged item in the film heat shrinking mechanism.

[0066] This process automates the entire process from raw materials to finished products through steps such as film feeding, material handling, edge sealing, cutting, corner trimming, and heat shrinking. This highly efficient automated packaging method not only improves production efficiency but also reduces reliance on manual operation and lowers production costs.

[0067] Using a folded double-layer film as the packaging material, and expanding it through the film supply device 10 to form an accommodating space 110, ensures stable placement of the packaged goods. Simultaneously, the precise coordination of the heat-cutting mechanism 210, the double-blade assembly 310, the corner-cutting device, and the film heat-shrinking mechanism further guarantees the stability and consistency of packaging quality. The corner-cutting process ensures the flatness and aesthetics of the packaging bag corners, improving the overall visual effect of the product. At the same time, the heat-shrinking process ensures the packaging bag fits tightly against the surface of the packaged goods, preventing loosening or wrinkling, further enhancing the product's appearance quality.

[0068] like Figure 12 As shown, this can be understood as a side view of the cutting step in this application. After the sealing step, the double-layer film seal between the two adjacent packages is cut by the double-edged knife assembly 310.

[0069] Understandably, the first blade 3110 and the second blade 3120 of the double-edged blade assembly 310 can precisely cut the double-layer film seal between two adjacent packages, achieving accurate separation of the packages. This precise separation method avoids the packages from sticking together or misaligning, ensuring the independence and integrity of each package.

[0070] The rapid cutting action of the double-edged blade assembly 310 significantly improves packaging efficiency. Compared to manual cutting or other inefficient cutting methods, the double-edged blade assembly 310 can complete the cutting of a large number of packages in a short time, thereby shortening the production cycle and improving overall production efficiency.

[0071] like Figure 13 The diagram shown is a top view illustrating the effect of the film removed after the sealing and cutting steps. The two solid lines at the top and bottom of the packaging can be interpreted as the folding and opening positions of the double-layer film. Generally, the solid line at the top of the packaging can be understood as the folding position of the double-layer film, and the dashed line can be interpreted as the portion of the film removed during the sealing and cutting steps.

[0072] Using the packaging process provided in this application, a series of actions, including bag making, are completed simultaneously during product movement. The continuous, high-speed movement further shortens packaging time. Packaging allowance is minimal, less than or equal to 8mm. The corners of the packaged item can be shaped after cutting, allowing for further corner trimming. After corner trimming, heat shrinking can be performed. Heat shrinking can be achieved using other auxiliary equipment.

[0073] like Figure 14 As shown, more specifically, the sealing step can be interrupted during the heat-cutting process of sealing the double-layer film at the second opening 130. This interruption can be understood as stopping the heat-cutting process at the point where a break is needed. Generally, it can be understood as stopping the heat-cutting process at the gap between the two packages, and then cutting off the film between the two packages in the subsequent cutting step. By adding this interruption, the film waste cut laterally in the sealing step is connected to the film waste cut vertically in the cutting step, making waste collection easier. No additional negative pressure waste suction is required.

[0074] The packaging process provided by this utility model embodiment has good compatibility and can adapt to different sizes of items to be packaged. Of course, breakpoint processing is not necessary.

[0075] In this way, by using breakpoint treatment during the edge sealing process, the edge sealing heat cutting can be stopped at the point where a break is needed. The edge sealing heat cutting is stopped in the gap between the two packages, and then the film between the two packages is removed in the subsequent cutting step. This method connects the horizontally cut film waste with the vertically cut film waste, making waste disposal easier and reducing production costs.

[0076] The packaging process provided in this application completes a series of actions, including bag making, simultaneously during product movement. The continuous movement speed is high, with a cycle time (CT) of approximately one second. This highly efficient automated processing method significantly improves production efficiency and reduces labor costs.

[0077] The packaging process provided by this utility model has good compatibility and can adapt to different sizes of items to be packaged within a certain range. This compatibility allows the process to be widely used in various packaging scenarios, meeting the needs of different customers. The waste collection process is simplified through breakpoint treatment and film waste connection design. No additional negative pressure waste suction devices are needed, simplifying the equipment structure.

[0078] The above are merely preferred embodiments of this utility model, but the scope of protection of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the scope of protection of this utility model. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the scope of protection of this utility model.

Claims

1. A high-speed packaging machine, characterized in that, include: A film supply device is used to open up a folded double-layer film to form an accommodating space between the double-layer film, the accommodating space having a first opening and a second opening; A feeding device is used to continuously push the packaged goods into the receiving space from the first opening or the second opening at a certain rhythm. An edge-sealing device, the edge-sealing device including a hot-cutting mechanism, the hot-cutting mechanism being used to hot-cut the double-layer film edge-sealing of the second opening; A cutting device, the cutting device including a double-edged blade assembly for cutting the double-layer film seal between two adjacent packages; A corner-cutting device is used to straighten the corners of packaging bags on the surface of the packaging material and then cut off the straightened corners.

2. The high-speed packaging machine according to claim 1, characterized in that, The cutting device further includes a bottom blade assembly and a drive assembly, wherein the drive assembly is used to drive the double-edged blade assembly and the bottom blade assembly to move synchronously towards each other.

3. The high-speed packaging machine according to claim 2, characterized in that, The drive assembly includes a linkage mechanism, which includes a first link and a second link. The first link is connected to the double-edged blade assembly, and the second link is connected to the bottom blade assembly. The first link and the second link are connected through a transmission assembly to achieve synchronous movement.

4. The high-speed packaging machine according to claim 3, characterized in that, The cutting device further includes a first cam and a second cam. The first connecting rod is connected to the first cam via a cam roller, and the second connecting rod is connected to the second cam via a cam roller. The first cam and the second cam are located on the same plane and are symmetrically arranged. Both the first cam and the second cam include curved segments and straight segments. When the first connecting rod moves to the straight segment of the first cam, the second connecting rod moves to the straight segment of the second cam. At this time, the double-edged blade assembly engages with the bottom blade assembly.

5. The high-speed packaging machine according to claim 1, characterized in that, The hot cutting mechanism includes an edge sealing hot cutting knife and an edge sealing bottom knife. The edge sealing hot cutting knife is connected to a breakpoint swing rod, which is used to move the edge sealing hot cutting knife away from or closer to the edge sealing bottom knife.

6. The high-speed packaging machine according to claim 5, characterized in that, One end of the breakpoint swing arm is connected to the edge sealing hot cutting knife, and the other end is connected to the first rotating shaft. The edge sealing hot cutting knife can move around the first rotating shaft.

7. The high-speed packaging machine according to claim 6, characterized in that, The edge sealing hot cutting knife is perpendicular to the breakpoint swing arm, and a first roller is provided on the breakpoint swing arm. The first roller is slidably connected to the swing block, and the contact surface between the swing block and the first roller includes a protruding section.

8. The high-speed packaging machine according to claim 7, characterized in that, The swing block includes a first transverse groove, a second rotating shaft is provided on one side of the first transverse groove, the swing block is connected to the second rotating shaft, and the second roller is connected to the first transverse groove.

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