Portable film wrapping machine

Abstract

The application provides a portable film covering and packing machine, and relates to the technical field of film covering and packing. The machine comprises a packing table, a feeding roller rotatably installed at the rear of one side of the top of the packing table, an electric storage table arranged at the other side of the top of the packing table, a controller fixedly installed at one side of the front of the packing table, and a guide roller rotatably installed at the front of the top of the packing table. The application effectively solves the technical problem of film tail loosening and falling off after cutting, and the interruption of work caused by manual film guiding again in the prior art by means of a limiting assembly and a cutting assembly. Specifically, after film covering, the cutting assembly is automatically started, a servo motor drives a lead screw to drive an adjusting seat and a cutting blade to stably move downward along a vertical rail, thereby realizing automatic cutting of the film without manual operation. After cutting, the pressing roller always keeps pressure on the film tail in cooperation with the guide roller, so that the residual film tail is continuously clamped and constrained.

Description

Technical Field

[0001] This utility model relates to the field of film-coating and packaging technology, and more specifically, to a convenient film-coating and packaging machine. Background Technology

[0002] In the logistics and warehousing of products, after the packaging box is filled internally, it usually needs to be covered with a stretch film. This film serves to waterproof and moisture-proof, prevent surface abrasion, and reinforce stacking stability, which is crucial for ensuring the integrity and cleanliness of the product during long-distance transportation.

[0003] For example, the "Convenient Film-Coating and Packaging Machine" disclosed in Chinese Utility Model Patent (Publication No.: CN221341217U) includes a base with at least two rotating rollers rotatably mounted on it. The base also includes an electric platform driven by a motor within the base. At least one vertically upward sliding groove is provided on the outer periphery of each rotating roller, within which a film cutter with a cutter blade slides. This design, with the sliding groove on the rotating roller and the film cutter within it, allows for rapid cutting of the coated packaging film, saving time and effort, and producing clean, smooth, and aesthetically pleasing cuts. The existing technical solution described above still has significant shortcomings in practical applications. Specifically, although a film cutter on the rotating roller enables convenient cutting of the packaging film, the end of the packaging film located between the cutter and the packaging film roll loses its original tension and constraint after the cutting action. Due to the softness and weight of the stretch film, without an external fixing structure, the end of the film layer is very prone to detaching or drooping from the surface of the rotating roller under gravity. When the equipment enters the next work cycle, the operator must manually pull and align the film again, a cumbersome and time-consuming process that disrupts the continuity of the laminating operation, leading to a decrease in overall packaging efficiency and failing to fully meet the user's actual need for ease of operation.

[0004] Therefore, we have made improvements to this and proposed a convenient film-coating and packaging machine. Utility Model Content

[0005] To address the shortcomings of existing technologies, this utility model provides a convenient film-coating and packaging machine, which solves the problems mentioned in the background section.

[0006] To achieve the above objectives, this utility model provides the following technical solution: A portable film-coating and packaging machine includes a packaging table, a feeding roller rotatably mounted on the rear of one side of the top of the packaging table, an electric placement platform provided on the other side of the top of the packaging table, a controller fixedly mounted on one side of the front of the packaging table, a guide roller rotatably mounted on the front of the top of the packaging table, a limit component provided on the top of the packaging table in front of the guide roller, a cutting component provided on the top of the packaging table on one side of the limit component, and a positioning component provided on one side of the back of the packaging table. The limiting component includes a fixed frame fixedly installed on the top of the packing table in front of the guide roller. An electric telescopic rod is fixedly installed on the front of the fixed frame. The drive end of the electric telescopic rod passes through the fixed frame and extends to the rear of the fixed frame. A movable frame is fixedly installed on the drive end of the electric telescopic rod. A pressure roller is rotatably installed on the movable frame.

[0007] As a preferred technical solution of this application, the cutting assembly includes a vertical rail fixedly installed on the top of the packing table on one side of the fixed frame. A lead screw is rotatably installed inside the vertical rail. An adjusting seat is sleeved on the outer wall of the lead screw. The adjusting seat is slidably installed on the vertical rail. A servo motor is fixedly installed at the top of the vertical rail. The driving end of the servo motor passes through the vertical rail and extends into the interior of the vertical rail. The driving end of the servo motor is fixedly connected to the top of the lead screw. A cutting blade is fixedly installed on the back of the adjusting seat.

[0008] As a preferred technical solution of this application, the positioning component includes a positioning frame fixedly installed on one side of the back of the packing table, a rotating cylinder rotatably installed on the front side of the top of the positioning frame, a movable rectangular rod slidably inserted into the upper limit of the rotating cylinder, a pressure block fixedly installed at the bottom end of the movable rectangular rod, and a one-way locking mechanism provided on the front side of the top of the rotating cylinder.

[0009] As a preferred technical solution of this application, the one-way locking mechanism includes a slide groove opened on the front side of the top of the rotating drum, a slider slidably installed on the slide groove, a locking block fixedly installed on the top of the slider, an operating block fixedly installed on the front end of the locking block, a spring fixedly installed inside the slide groove between the front end of the slider and the front side of the inner wall of the slide groove, and a plurality of toothed grooves opened on the front side of the movable rectangular rod, the toothed grooves engaging with the locking block.

[0010] As a preferred technical solution of this application, the rear end of the locking block is inclined, and the locking block is adapted to the tooth groove.

[0011] As a preferred technical solution of this application, the adjusting seat is provided with a threaded hole adapted to the lead screw, and the adjusting seat is threadedly connected to the lead screw through the threaded hole.

[0012] As a preferred technical solution of this application, the front of the movable frame is fixedly installed with symmetrically distributed limiting rods, and the fixed frame is provided with sliding holes corresponding to the position and number of the limiting rods. The fixed frame is slidably connected to the limiting rods through the sliding holes.

[0013] As a preferred technical solution of this application, a handle is fixedly installed at the top of the movable rectangular rod, and a rubber pad is fixedly installed at the bottom of the pressure block.

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows: In the scheme of this application: 1. By incorporating a limiting and cutting component, this technology effectively solves the technical problems of film tail detachment and drooping after cutting, requiring manual re-guiding and causing operational interruptions. Specifically, after lamination, the cutting component automatically starts, with a servo motor driving a lead screw to move the adjusting seat and cutting blade smoothly down the vertical rail, achieving automatic film cutting without manual operation. After cutting, the pressure roller maintains a tight grip on the film tail with the guide roller, ensuring the residual film tail is continuously clamped and constrained, preventing it from detaching and drooping due to loss of tension. At the start of the next work cycle, the operator can directly pull out the film tail and attach it to the new goods, eliminating the need to repeat the film threading and traction action. This achieves continuous and rapid packaging operations, significantly improving the overall efficiency and ease of operation of lamination and packaging.

[0015] 2. The positioning component, when installed, assists in securing the goods during the rotating lamination process on the loading platform. This component uses a top-down clamping method; the operator presses the handle, causing the movable rectangular rod to slide down the rotating cylinder, which in turn presses the goods firmly against the loading platform from the top. This effectively prevents the goods from shifting or deviating during rotation, ensuring the accuracy of the lamination position and the tightness of the wrapping. Compared to existing technologies that clamp and limit the goods from the sides, this design avoids the lamination area around the goods, thus not hindering the wrapping of the film along the circumference of the goods. This allows the film to form a continuous and flat wrapping layer on the sides of the goods, improving packaging quality. Attached Figure Description

[0016] Figure 1 A three-dimensional structural diagram of a portable film-coating and packaging machine provided in this application; Figure 2 A rear view structural diagram of a portable film-coating and packaging machine provided in this application; Figure 3 A schematic diagram of the limiting component in a portable film-coating and packaging machine provided in this application; Figure 4 A schematic diagram of the cutting component in a portable film-coating and packaging machine provided in this application; Figure 5This application provides a schematic diagram of the positioning component in a portable film-coating and packaging machine. Figure 6 This is a schematic diagram of the one-way locking mechanism in a portable film-coating and packaging machine provided in this application.

[0017] The image shows: 1. Packing table; 2. Controller; 3. Feeding roller; 4. Guide roller; 5. Electric placement table; 6. Limiting component; 7. Cutting component; 8. Positioning component; 9. Fixing frame; 10. Electric telescopic rod; 11. Movable frame; 12. Pressure roller; 13. Limiting rod; 14. Vertical rail; 15. Lead screw; 16. Servo motor; 17. Adjusting seat; 18. Cutting blade; 19. Positioning frame; 20. Movable rectangular rod; 21. Toothed groove; 22. Rotary drum; 23. Pressure block; 24. Handle; 25. One-way locking mechanism; 26. Slide groove; 27. Slider; 28. Locking block; 29. ​​Operating block; 30. Spring. Detailed Implementation

[0018] To enable those skilled in the art to better understand the present invention, the technical solutions of the present invention 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 invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort should fall within the protection scope of the present invention.

[0019] To enable those skilled in the art to better understand the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.

[0020] It should be noted that, unless otherwise specified, the embodiments and features and technical solutions in the present invention can be combined with each other.

[0021] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0022] Example 1 Please refer to Figures 1-6A portable film-coating and packaging machine includes a packaging table 1, a feeding roller 3 rotatably mounted on the rear of one side of the top of the packaging table 1, an electric placement platform 5 provided on the other side of the top of the packaging table 1, a controller 2 fixedly mounted on one side of the front of the packaging table 1, a guide roller 4 rotatably mounted on the front of the top of the packaging table 1, a limit component 6 provided on the top of the packaging table 1 in front of the guide roller 4, a cutting component 7 provided on the top of the packaging table 1 on one side of the limit component 6, and a positioning component 8 provided on one side of the back of the packaging table 1. The limit component 6 includes a fixed frame 9 fixedly mounted on the top of the packaging table 1 in front of the guide roller 4, an electric telescopic rod 10 fixedly mounted on the front of the fixed frame 9, the drive end of the electric telescopic rod 10 passing through the fixed frame 9 and extending to the rear of the back of the fixed frame 9, and a movable frame 11 fixedly mounted on the drive end of the electric telescopic rod 10, on which a pressure roller 12 is rotatably mounted.

[0023] The movable frame 11 and pressure roller 12 can be driven to move towards the guide roller 4 by the electric telescopic rod 10, so that the pressure roller 12 and the guide roller 4 form a stable pressing limit on the film, preventing the film tail from loosening and falling. The pressure roller 12 can rotate, which does not affect the normal traction and pulling out of the subsequent film.

[0024] Furthermore, the cutting assembly 7 includes a vertical rail 14 fixedly installed on the top of the packing table 1 on one side of the fixing frame 9. A lead screw 15 is rotatably installed inside the vertical rail 14. An adjusting seat 17 is sleeved on the outer wall of the lead screw 15. The adjusting seat 17 is slidably installed on the vertical rail 14. A servo motor 16 is fixedly installed at the top of the vertical rail 14. The drive end of the servo motor 16 passes through the vertical rail 14 and extends into the interior of the vertical rail 14. The drive end of the servo motor 16 is fixedly connected to the top of the lead screw 15. A cutting blade 18 is fixedly installed on the back of the adjusting seat 17.

[0025] The servo motor 16 drives the lead screw 15 to rotate, and the threaded engagement drives the adjustment seat 17 and the cutting blade 18 to rise and fall smoothly along the vertical rail 14, realizing automatic cutting of the film without manual operation. The cutting action is precise and the cut is neat.

[0026] Furthermore, the adjusting seat 17 has a threaded hole that matches the lead screw 15, and the adjusting seat 17 is threadedly connected to the lead screw 15 through the threaded hole.

[0027] The threaded connection ensures that the rotational motion of the lead screw 15 can be stably converted into the linear lifting motion of the adjusting seat 17, resulting in smooth and reliable transmission. It also has a self-locking characteristic, which allows the cutting blade 18 to remain positioned at any height.

[0028] Furthermore, symmetrically distributed limiting rods 13 are fixedly installed on the front of the movable frame 11, and sliding holes corresponding to the position and number of the limiting rods 13 are opened on the fixed frame 9. The fixed frame 9 is slidably connected to the limiting rods 13 through the sliding holes opened on it.

[0029] The limiting rod 13 slides with the sliding hole, which guides and constrains the translation of the movable frame 11, ensuring that the pressure roller 12 always maintains a straight line during the movement, avoiding skewness, and ensuring the parallelism and pressing effect between the pressure roller 12 and the guide roller 4.

[0030] Example 2 The convenient film-coating and packaging machine provided in Embodiment 1 is further optimized. Specifically, the positioning component 8 includes a positioning frame 19 fixedly installed on one side of the back of the packaging table 1. A rotating cylinder 22 is rotatably installed on the front side of the top of the positioning frame 19. A movable rectangular rod 20 is slidably inserted into the upper limit of the rotating cylinder 22. A pressure block 23 is fixedly installed at the bottom end of the movable rectangular rod 20. A one-way locking mechanism 25 is provided on the front side of the top of the rotating cylinder 22.

[0031] The rotation axis of the rotating drum 22 coincides with the rotation axis of the electric shelf 5. When the electric shelf 5 rotates, the movable rectangular rod 20 and the rotating drum 22 are driven to rotate synchronously by the friction between the goods and the pressure block 23.

[0032] Furthermore, the one-way locking mechanism 25 includes a slide groove 26 opened on the front side of the top of the rotating drum 22, a slider 27 is slidably installed on the slide groove 26, a locking block 28 is fixedly installed on the top of the slider 27, an operating block 29 is fixedly installed on the front end of the locking block 28, a spring 30 is fixedly installed inside the slide groove 26 between the front end of the slider 27 and the front side of the inner wall of the slide groove 26, and a number of toothed grooves 21 are opened on the front side of the movable rectangular rod 20, and the toothed grooves 21 are engaged with the locking block 28.

[0033] Spring 30 pushes slider 27 and locking block 28 to move towards tooth groove 21 and engage in the corresponding tooth groove, realizing one-way self-locking of movable rectangular rod 20, preventing pressure block 23 from accidentally rebounding and loosening under equipment vibration or external force, and ensuring that the goods are reliably pressed throughout the entire film covering process.

[0034] Furthermore, the rear end of the locking block 28 is inclined, and the locking block 28 is adapted to the tooth groove 21.

[0035] The inclined surface at the rear end of the locking block 28 forms a one-way engagement with the tooth groove 21. When the movable rectangular rod 20 is pressed down, the locking block 28 automatically retracts and slides into the next tooth groove. Step-by-step locking can be completed without additional operation, making the operation convenient and the self-locking reliable.

[0036] Furthermore, a handle 24 is fixedly installed at the top of the movable rectangular rod 20, and a rubber pad is fixedly installed at the bottom of the pressure block 23.

[0037] The handle 24 makes it easy for operators to grip and apply force. The rubber pad forms a flexible contact between the pressure block 23 and the surface of the goods, preventing the pressure block 23 from causing indentations or damage to the surface of the goods. At the same time, the rubber pad has a certain coefficient of friction, which can enhance the positioning stability of the goods.

[0038] It should be noted that the controller control circuit can be implemented by those skilled in the art through simple programming, and is common knowledge in the field. It is only used and not modified, so the control method and circuit connection will not be described in detail.

[0039] The usage process of the convenient film-coating and packaging machine provided by this utility model is as follows: The operator first places the rolled stretch film onto the feeding roller 3, pulls out the film head, and after passing it around the guide roller 4, guides the film head onto the surface of the goods to be packaged placed on the electric loading platform 5. At this time, in order to prevent the film tail from loosening after cutting and affecting the continuity of subsequent operations, the equipment uses the following structure to achieve initial limiting of the film head and auxiliary fixation of the goods.

[0040] Limiting and clamping action: The operator activates the electric telescopic rod 10 in the limiting assembly 6 via the controller 2. Its drive end extends backward, pushing the movable frame 11 and the pressure roller 12 rotatably mounted on it towards the guide roller 4 until a clamping and limiting action is formed between the pressure roller 12 and the guide roller 4 on the film. In this state, both the pressure roller 12 and the guide roller 4 are rotatable and will not affect the normal traction and pulling out of the film during the subsequent lamination process. At the same time, the limiting rod 13 on the front of the movable frame 11 slides within the corresponding sliding hole on the fixed frame 9, ensuring the stability and straightness of the pressure roller 12 during translation, thereby completing the initial positioning of the film head before lamination.

[0041] Cargo positioning assistance: Before the electric platform 5 starts rotating, the operator holds the handle 24 and presses down on the movable rectangular rod 20, causing it to slide downwards within the rotating drum 22. This causes the pressure block 23 at the bottom to fall vertically, pressing the cargo on the electric platform 5 from above to prevent it from shifting or deviating during the coating process. Simultaneously, the spring 30 within the one-way locking mechanism 25 pushes the slider 27, causing the locking block 28 to pop out and engage with the toothed groove 21 on the front of the movable rectangular rod 20. Utilizing the one-way engagement between the inclined surface at the rear end of the locking block 28 and the toothed groove 21, the movable rectangular rod 20 is self-locked, preventing the pressure block 23 from accidentally springing back and loosening under equipment vibration or external force. When the electric platform 5 rotates, the cargo rotates synchronously with it under the frictional force of the platform surface. Because the pressure block 23 presses against the upper surface of the cargo, the friction between the cargo and the pressure block 23 causes the movable rectangular rod 20 and the rotating drum 22 to rotate together. The movable rectangular rod 20 and the rotating cylinder 22 are connected by a limiting sliding plug-in joint, which can transmit circumferential torque. Therefore, although the rotation axis of the rotating cylinder 22 coincides with the rotation axis of the electric shelf 5, no additional rigid connection mechanism is required between them. Synchronous rotation can be achieved by friction transmission. When it is necessary to release the positioning and remove the goods, the operator moves the operating block 29 forward, so that the locking block 28 overcomes the elastic force of the spring 30 and slides forward and disengages from the tooth groove 21, thereby lifting the movable rectangular rod 20 and releasing the pressure block 23.

[0042] After the film head is positioned and the goods are secured, the equipment enters the formal packaging operation. During this stage, two core processes, rotational film covering and automatic film cutting, are performed simultaneously.

[0043] Rotary lamination action: The controller 2 drives the built-in motor to rotate the electric loading platform 5 at a constant speed. Since the film head has been limited and pressed by the pressure roller 12 and the guide roller 4, the rotation of the electric loading platform 5 will pull the film roll on the unloading roller 3 to continuously unwind, so that the film wraps around the circumference of the goods.

[0044] Automatic cutting action: After the film coating reaches the set number of turns, the electric table 5 stops rotating, and then the cutting assembly 7 starts. The servo motor 16 drives the lead screw 15 inside the vertical rail 14 to rotate. The lead screw 15 drives the adjusting seat 17 to slide down along the vertical rail 14 through the threaded engagement. The cutting blade 18 fixed on the back of the adjusting seat 17 moves down accordingly, cutting the film located on one side of the pressure roller 12 and the guide roller 4.

[0045] After cutting, because the pressure roller 12 remains extended and pressed, the remaining film tail is continuously held between the pressure roller 12 and the guide roller 4, preventing it from loosening or sagging due to loss of tension. When the next item is placed on the electric shelf 5, the pressure roller 12 does not retract immediately. The operator can directly pull the film tail out from between the pressure roller 12 and the guide roller 4 and adhere it to the surface of the new item, then proceed to the next work cycle. This design eliminates the tedious step of manually re-laying the film in traditional equipment, effectively improving the continuity and efficiency of the laminating and packaging operation.

[0046] It should be noted that all components used in this application are standard parts that can be purchased from the market. The specific connection methods of each part adopt conventional methods such as bolts, rivets and welding that are mature in the prior art. The mechanical parts and electrical equipment adopt conventional models in the prior art. The circuit connection adopts conventional connection methods in the prior art. The electrical equipment is connected to an external safe power source. These will not be described in detail here.

[0047] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a connection that allows communication between them; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0048] Obviously, the embodiments described above are only some embodiments of this utility model, not all embodiments. The accompanying drawings show preferred embodiments of this utility model, but do not limit the patent scope of this utility model. This utility model can be implemented in many different forms; rather, the purpose of providing these embodiments is to provide a more thorough and comprehensive understanding of the disclosure of this utility model. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing specific embodiments, or make equivalent substitutions for some of the technical features. Any equivalent structures made using the content of this utility model specification and drawings, directly or indirectly applied to other related technical fields, are similarly within the patent protection scope of this utility model.

Claims

1. A portable film-coating and packaging machine, characterized in that, The package includes a packing table (1), a feeding roller (3) is rotatably installed on the rear of one side of the top of the packing table (1), an electric storage platform (5) is provided on the other side of the top of the packing table (1), a controller (2) is fixedly installed on one side of the front of the packing table (1), a guide roller (4) is rotatably installed on the front of the top of the packing table (1), a limit component (6) is provided on the top of the packing table (1) in front of the guide roller (4), a cutting component (7) is provided on the top of the packing table (1) on one side of the limit component (6), and a positioning component (8) is provided on one side of the back of the packing table (1). The limiting component (6) includes a fixed frame (9) fixedly installed on the top of the packing table (1) in front of the guide roller (4). An electric telescopic rod (10) is fixedly installed on the front of the fixed frame (9). The driving end of the electric telescopic rod (10) passes through the fixed frame (9) and extends to the back of the fixed frame (9). A movable frame (11) is fixedly installed on the driving end of the electric telescopic rod (10). A pressure roller (12) is rotatably installed on the movable frame (11).

2. The portable film-coating and packaging machine according to claim 1, characterized in that, The cutting assembly (7) includes a vertical rail (14) fixedly installed on the top of the packing table (1) on one side of the fixed frame (9). A lead screw (15) is rotatably installed inside the vertical rail (14). An adjusting seat (17) is sleeved on the outer wall of the lead screw (15). The adjusting seat (17) is slidably installed on the vertical rail (14). A servo motor (16) is fixedly installed at the top of the vertical rail (14). The driving end of the servo motor (16) passes through the vertical rail (14) and extends into the interior of the vertical rail (14). The driving end of the servo motor (16) is fixedly connected to the top of the lead screw (15). A cutting blade (18) is fixedly installed on the back of the adjusting seat (17).

3. The portable film-coating and packaging machine according to claim 1, characterized in that, The positioning component (8) includes a positioning frame (19) fixedly installed on one side of the back of the packing table (1). A rotating cylinder (22) is rotatably installed on the front side of the top of the positioning frame (19). A movable rectangular rod (20) is slidably inserted into the upper limit of the rotating cylinder (22). A pressure block (23) is fixedly installed at the bottom end of the movable rectangular rod (20). A one-way locking mechanism (25) is provided on the front side of the top of the rotating cylinder (22).

4. A portable film-coating and packaging machine according to claim 3, characterized in that, The one-way locking mechanism (25) includes a slide groove (26) opened on the front side of the top of the rotating drum (22), a slider (27) is slidably installed on the slide groove (26), a locking block (28) is fixedly installed on the top of the slider (27), an operating block (29) is fixedly installed on the front end of the locking block (28), a spring (30) is fixedly installed inside the slide groove (26) between the front end of the slider (27) and the front side of the inner wall of the slide groove (26), and a number of toothed grooves (21) are opened on the front side of the movable rectangular rod (20), and the toothed grooves (21) are engaged with the locking block (28).

5. A portable film-coating and packaging machine according to claim 4, characterized in that, The rear end of the locking block (28) is inclined, and the locking block (28) is adapted to the tooth groove (21).

6. A portable film-coating and packaging machine according to claim 2, characterized in that, The adjusting seat (17) has a threaded hole that matches the lead screw (15), and the adjusting seat (17) is threadedly connected to the lead screw (15) through the threaded hole.

7. A portable film-coating and packaging machine according to claim 1, characterized in that, The movable frame (11) is fixedly installed with symmetrically distributed limiting rods (13) on its front side. The fixed frame (9) is provided with sliding holes corresponding to the position and number of the limiting rods (13). The fixed frame (9) is slidably connected to the limiting rods (13) through the sliding holes.

8. A portable film-coating and packaging machine according to claim 3, characterized in that, A handle (24) is fixedly installed at the top of the movable rectangular rod (20), and a rubber pad is fixedly installed at the bottom of the pressure block (23).

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