Knife protection assembly and film cutter

Abstract

The utility model discloses a tool protection assembly and film cutting machine, including die cutting protection mechanism, through the setting of die cutting protection mechanism, the backplate of meandering shape is installed below die cutting tool through a plurality of sets of buffer assembly, under the non -working state, the backplate of meandering shape can form protection to die cutting tool bottom cutting edge place, effectively prevent the collision of tool and outside hard thing, avoid cutting edge damage, in the working process, when die cutting tool contacts label band, buffer assembly can buffer the impact force that tool received, reduce the damage of tool because of instantaneous excessive force, prolong the service life of tool, also assist limit simultaneously when label band die cutting, improve label band die cutting accuracy, through the setting of cleaning mechanism, when needing to clean the label band chippings in die cutting groove, the cleaning mechanism can eject the chippings in die cutting groove, and then make the chippings in die cutting groove convenient to clean.

Description

Technical Field

[0001] This utility model relates to the technical field of film cutting machine equipment, specifically a tool protection component and a film cutting machine. Background Technology

[0002] In the label tape manufacturing industry, the die-cutting machine is an indispensable key piece of equipment. Its main function is to precisely die-cut the label tape according to the predetermined shape and size to meet the labeling needs of different products.

[0003] During the operation of the film cutting machine, the die-cutting blade directly cuts the label tape. During the operation of the equipment, the blade may accidentally collide with the worktable or other hard objects. In addition, the existing blade protection measures are often not perfect and lack effective protective devices to protect the bottom edge of the blade. This makes the blade susceptible to damage from external factors even when it is not in operation, which shortens the service life of the blade and increases production costs. Therefore, we need to propose a blade protection component and a film cutting machine. Utility Model Content

[0004] The purpose of this utility model is to provide a tool protection component and a die-cutting machine. By setting the die-cutting protection mechanism, the bottom edge of the die-cutting tool can be protected when not in operation, effectively preventing the tool from colliding with external hard objects and avoiding damage to the edge. During operation, the buffer component can buffer the impact force on the tool, reduce the damage caused by excessive instantaneous force, and extend the service life of the tool, so as to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A tool protection assembly includes a die-cutting protection mechanism;

[0007] The die-cutting protection mechanism includes an electro-hydraulic rod, a mounting plate, a clamping seat, a die-cutting cutter, locking bolts, a buffer assembly, and a U-shaped protective plate. The mounting plate is fixedly installed at the bottom of the telescopic end of the electro-hydraulic rod, the clamping seat is fixedly installed at the bottom of the mounting plate, the die-cutting cutter is clamped at the bottom of the clamping seat and fixed by two sets of locking bolts, and the U-shaped protective plate is installed below the die-cutting cutter by several sets of buffer assemblies to protect the outer side of the bottom blade of the die-cutting cutter and to limit the movement of the label tape during die-cutting.

[0008] Preferably, the buffer assembly includes a sleeve, a spring, a limiting ring plate, a sliding rod, and a connecting plate. The sleeve is fixedly installed at the bottom of the mounting plate, the spring is fixedly installed at the inner top of the sleeve, the limiting ring plate is fixedly installed at the bottom of the spring, one end of the sliding rod is fixedly inserted into the inside of the limiting ring plate, and the other end of the sliding rod passes through the sleeve and is fixedly connected to the top of the connecting plate. The connecting plate is fixedly installed on the top surface of the U-shaped protective plate by several screws.

[0009] Preferably, the die-cutting protection mechanism further includes a T-block, which is fixedly installed on the top of the die-cutting tool and slidably inserted into the interior of the card holder. One end of the locking bolt passes through the side wall of the card holder and is threaded to the interior of the top side of the T-block.

[0010] A film cutting machine includes a blade protection assembly, a worktable, a guiding mechanism, a mounting frame, a die-cutting groove, and a cleaning mechanism. The guiding mechanism is provided in two sets, respectively installed at both ends of the worktable, for guiding label tape. The mounting frame is fixedly installed on the top surface of the worktable, and an electro-hydraulic rod is fixedly installed on the inner top of the mounting frame. The die-cutting groove is opened on the top surface of the worktable and is correspondingly arranged with the die-cutting blade. The cleaning mechanism is installed at the bottom of the worktable for cleaning label tape debris in the die-cutting groove.

[0011] Preferably, the guiding mechanism includes two sets of fixed plates, two sets of rotating rods, a drive motor, gears, and guide rollers. The two sets of fixed plates are symmetrically fixedly installed at one end of the worktable. The two sets of rotating rods are rotatably installed on the side walls of the two sets of fixed plates through bearings. One end of each set of rotating rods passes through the fixed plate and is fitted with a gear. The two sets of gears mesh with each other. The other end of one set of rotating rods passes through the fixed plate and is fixedly installed at one end of the output shaft of the drive motor. Guide rollers are fixedly fitted on the outer walls of both sets of rotating rods.

[0012] Preferably, the two sets of guide rollers are arranged vertically and vertically, and the top of the bottom guide roller is on the same horizontal line as the top surface of the worktable.

[0013] Preferably, the cleaning mechanism includes a concave frame, an electric push rod, a U-shaped lifting plate, and a circular cleaning frame. The concave frame is fixedly installed at the bottom of the workbench, the electric push rod is fixedly installed at the bottom of the concave frame, and the top of the telescopic end of the electric push rod passes through the concave frame and is fixedly installed at the bottom of the U-shaped lifting plate. The top of the U-shaped lifting plate passes through the workbench and extends into the interior of the die-cutting groove and is fixedly installed at the bottom of both sides of the circular cleaning frame.

[0014] Preferably, the U-shaped cleaning rack is located at the inner bottom of the die-cutting groove, and the bottom of the worktable is provided with a through groove for the top of both sides of the U-shaped lifting plate to pass through. The top outer walls of both sides of the U-shaped lifting plate are slidably connected to the inner wall of the through groove.

[0015] Preferably, the outer diameter of the U-shaped cleaning frame is adapted to the inner diameter of the die-cutting groove, and both the inner and outer walls of the U-shaped cleaning frame are slidably connected to the inner wall of the die-cutting groove. The label tape debris in the die-cutting groove is pushed out and cleaned by the rise of the U-shaped cleaning frame.

[0016] Preferably, it also includes two sets of limiting sliders and two sets of limiting grooves. The two sets of limiting grooves are symmetrically opened on the inner walls of both sides of the mounting frame. The two sets of limiting sliders are slidably installed inside the two sets of limiting grooves, and one end of the two sets of limiting sliders is fixedly connected to both sides of the mounting plate.

[0017] Compared with the prior art, the beneficial effects of this utility model are:

[0018] 1. This utility model, through the setting of a die-cutting protection mechanism, has a spiral protective plate installed below the die-cutting cutter through several sets of buffer components. In the non-working state, the spiral protective plate can protect the bottom edge of the die-cutting cutter, effectively preventing the cutter from colliding with external hard objects and avoiding damage to the cutter edge. During the working process, when the die-cutting cutter contacts the label tape, the buffer components can buffer the impact force on the cutter, reduce the damage caused by excessive instantaneous force, extend the service life of the cutter, and also provide auxiliary limit during label tape die-cutting, improving the die-cutting accuracy of the label tape.

[0019] 2. By setting up a cleaning mechanism, this utility model can push out the debris in the die-cutting groove when it is necessary to clean the label tape debris in the die-cutting groove, thereby making it easier to clean the debris in the die-cutting groove. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the die-cutting protection mechanism of this utility model;

[0021] Figure 2 This is a schematic diagram of the structure of the buffer assembly of this utility model;

[0022] Figure 3 This is a cross-sectional structural diagram of the present invention;

[0023] Figure 4 This is a schematic diagram of the guiding mechanism of this utility model;

[0024] Figure 5 This is a schematic diagram of the cleaning mechanism of this utility model;

[0025] Figure 6 This is a side view of the three-dimensional structure of the present invention.

[0026] In the diagram: 1. Workbench; 2. Guiding mechanism; 21. Fixed plate; 22. Rotating rod; 23. Drive motor; 24. Gear; 25. Guide roller; 3. Mounting frame; 4. Die-cutting protection mechanism; 41. Electro-hydraulic rod; 42. Mounting plate; 43. Card holder; 44. Die-cutting cutter; 45. T-block; 46. Locking bolt; 47. Buffer assembly; 471. Sleeve; 472. Spring; 473. Limiting ring plate; 474. Sliding rod; 475. Connecting plate; 48. U-shaped protective plate; 5. Limiting slider; 6. Die-cutting groove; 7. Cleaning mechanism; 71. Concave frame; 72. Electric push rod; 73. U-shaped lifting plate; 74. U-shaped cleaning frame; 8. Limiting slide groove. Detailed Implementation

[0027] 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.

[0028] Please see Figure 1-6 This utility model provides a technical solution:

[0029] A tool protection assembly includes a die-cutting protection mechanism 4;

[0030] The die-cutting protection mechanism 4 includes an electric hydraulic rod 41, a mounting plate 42, a clamping seat 43, a die-cutting cutter 44, locking bolts 46, a buffer assembly 47, and a U-shaped protective plate 48. The mounting plate 42 is fixedly installed at the bottom of the telescopic end of the electric hydraulic rod 41. The clamping seat 43 is fixedly installed at the bottom of the mounting plate 42. The die-cutting cutter 44 is clamped at the bottom of the clamping seat 43 and fixed by two sets of locking bolts 46. The U-shaped protective plate 48 is installed below the die-cutting cutter 44 by several sets of buffer assemblies 47 to protect the outer side of the bottom blade of the die-cutting cutter 44 and to limit the movement of the label tape during die-cutting.

[0031] It should be noted that the shape of the U-shaped protective plate 48 is adapted to the outer contour of the bottom blade of the die-cutting cutter 44, and can fully cover the outside of the blade, preventing personnel or other objects from accidentally touching the blade and causing damage when not in operation, which greatly improves the safety of the equipment. When die-cutting the label tape, the U-shaped protective plate 48 can make contact with the label tape in advance, which plays a good limiting role for the label tape, preventing the label tape from shifting during the die-cutting process, ensuring the accuracy of the die-cutting position, and improving the product qualification rate. At the same time, the U-shaped protective plate 48 is installed through the buffer component 47. When it comes into contact with the label tape, the buffer component 47 can provide a certain amount of buffering force to prevent the U-shaped protective plate 48 from causing excessive compression and damage to the label tape.

[0032] The HOB40-100 electric hydraulic actuator is available as model 41. This model has a large thrust and pull force, runs smoothly, and can accurately control the lifting and lowering of the die-cutting cutter 44 to meet the needs of die-cutting operations.

[0033] In an optional embodiment: the buffer assembly 47 includes a sleeve 471, a spring 472, a limiting ring plate 473, a sliding rod 474, and a connecting plate 475. The sleeve 471 is fixedly installed at the bottom of the mounting plate 42, the spring 472 is fixedly installed at the inner top of the sleeve 471, the limiting ring plate 473 is fixedly installed at the bottom of the spring 472, one end of the sliding rod 474 is fixedly inserted into the inside of the limiting ring plate 473, and the other end of the sliding rod 474 passes through the sleeve 471 and is fixedly connected to the top of the connecting plate 475. The connecting plate 475 is fixedly installed on the top surface of the U-shaped protective plate 48 by several screws.

[0034] It should be noted that when the U-shaped protective plate 48 comes into contact with the label tape or the worktable 1, the sliding rod 474 will slide upward, causing the limiting ring plate 473 to compress the spring 472. The elastic force generated by the spring 472 forms a buffer force, which effectively reduces the impact force on the U-shaped protective plate 48, thereby protecting the die-cutting tool 44 and preventing it from being damaged by rigid collision. The limiting ring plate 473 can prevent the sliding rod 474 from disengaging from the sleeve 471, ensuring the structural stability of the buffer assembly 47. The sleeve 471 plays a protective and guiding role for the spring 472 and the sliding rod 474, ensuring that the spring 472 can only extend and retract in the axial direction and the sliding rod 474 can only slide in the axial direction, thus improving the working reliability of the buffer assembly 47.

[0035] In an optional embodiment, the die-cutting protection mechanism 4 further includes a T-block 45, which is fixedly installed on the top of the die-cutting cutter 44 and slidably inserted into the interior of the card holder 43. One end of the locking bolt 46 passes through the side wall of the card holder 43 and is threaded to the interior of the top side of the T-block 45.

[0036] It should be noted that the sliding engagement between the T-block 45 and the mounting base 43 provides precise positioning for the installation of the die-cutting cutter 44, enabling the die-cutting cutter 44 to be quickly installed in the correct position, reducing installation time. At the same time, the T-shaped structure effectively restricts the horizontal movement of the die-cutting cutter 44, ensuring the stability of the die-cutting cutter 44 during operation. The T-block 45 and the mounting base 43 are fixed by two sets of locking bolts 46, ensuring a firm connection and easy disassembly. When it is necessary to replace the die-cutting cutter 44, simply loosen the locking bolts 46 on both sides of the mounting base 43 to remove the die-cutting cutter 44 from the mounting base 43, facilitating the maintenance or replacement of the die-cutting cutter 44 and improving the maintenance efficiency of the equipment.

[0037] A film cutting machine includes a blade protection assembly, a worktable 1, a guiding mechanism 2, a mounting frame 3, a die-cutting groove 6, and a cleaning mechanism 7. The guiding mechanism 2 has two sets, which are respectively installed at both ends of the worktable 1 for guiding the label tape. The mounting frame 3 is fixedly installed on the top surface of the worktable 1. An electric hydraulic rod 41 is fixedly installed on the inner top of the mounting frame 3. The die-cutting groove 6 is opened on the top surface of the worktable 1 and is correspondingly arranged with the die-cutting blade 44. The cleaning mechanism 7 is installed at the bottom of the worktable 1 for cleaning label tape debris in the die-cutting groove 6.

[0038] It should be noted that the workbench 1 provides a stable mounting foundation for all components of the entire die-cutting machine, ensuring the overall stability of the equipment during operation. Two sets of guiding mechanisms 2 are located at opposite ends of the workbench 1, enabling continuous and stable feeding of the label tape. This allows the label tape to enter the die-cutting area at a set speed and path, ensuring the continuity and efficiency of the die-cutting operation. The die-cutting groove 6 is correspondingly set with the die-cutting blade 44. During die-cutting, the die-cutting blade 44 extends into the die-cutting groove 6 to cut the label tape, avoiding direct contact between the die-cutting blade 44 and the surface of the workbench 1, thus preventing wear and ensuring thorough cutting. The cleaning mechanism 7 promptly cleans label tape debris from the die-cutting groove 6, preventing debris accumulation from affecting die-cutting quality and avoiding damage to the die-cutting blade 44.

[0039] In an optional embodiment: the guiding mechanism 2 includes two sets of fixed plates 21, two sets of rotating rods 22, a drive motor 23, gears 24 and guiding rollers 25. The two sets of fixed plates 21 are symmetrically fixedly installed at one end of the worktable 1. The two sets of rotating rods 22 are rotatably installed on the side walls of the two sets of fixed plates 21 through bearings. One end of the two sets of rotating rods 22 passes through the fixed plate 21 and is respectively sleeved with gears 24. The two sets of gears 24 mesh with each other. The other end of one set of rotating rods 22 passes through the fixed plate 21 and is fixedly installed with one end of the output shaft of the drive motor 23. The outer walls of the two sets of rotating rods 22 are fixedly sleeved with guiding rollers 25.

[0040] It should be noted that the fixed plate 21 provides stable support for the rotating rod 22, gear 24 and guide roller 25, ensuring the positional accuracy of these components during operation. The two sets of gears 24 mesh with each other, enabling the two sets of rotating rods 22 to rotate synchronously in opposite directions, thereby driving the two sets of guide rollers 25 to rotate synchronously in opposite directions, thus clamping the label tape and guiding it forward, with a stable and reliable guiding effect.

[0041] The drive motor 23 model is optional: 57BYG250H stepper motor. This motor has high precision and stable speed. It can accurately control the rotation angle and speed of the rotating rod 22 through control pulse signals, thereby accurately controlling the amount of label tape fed to meet the needs of different die-cutting lengths.

[0042] In an optional embodiment: two sets of guide rollers 25 are arranged vertically and vertically, and the top of the bottom guide roller 25 is on the same horizontal line as the top surface of the worktable 1.

[0043] It should be noted that the upper and lower corresponding guide rollers 25 can firmly clamp the label tape, preventing the label tape from slipping during the guiding process and ensuring the guiding accuracy of the label tape. The top of the bottom guide roller 25 is flush with the top surface of the worktable 1, so that the label tape can maintain a smooth transition when entering the surface of the worktable 1, avoiding wrinkles or deviation of the label tape due to height difference, ensuring the accurate position of the label tape on the worktable 1, and improving the die-cutting quality.

[0044] In an optional embodiment: the cleaning mechanism 7 includes a concave frame 71, an electric push rod 72, a U-shaped lifting plate 73, and a circular cleaning frame 74. The concave frame 71 is fixedly installed at the bottom of the workbench 1, the electric push rod 72 is fixedly installed at the bottom of the concave frame 71, and the top of the telescopic end of the electric push rod 72 passes through the concave frame 71 and is fixedly installed at the bottom of the U-shaped lifting plate 73. The top of the U-shaped lifting plate 73 passes through the workbench 1 and extends into the interior of the die-cutting groove 6 and is fixedly installed at the bottom of both sides of the circular cleaning frame 74.

[0045] It should be noted that the concave frame 71 provides a stable mounting platform for the electric push rod 72, ensuring that the electric push rod 72 will not shake during operation. The electric push rod 72 can drive the U-shaped lifting plate 73 and the circular cleaning frame 74 to move up and down, thereby cleaning the debris in the die-cutting slot 6. The structural design of the U-shaped lifting plate 73 enables it to stably drive the circular cleaning frame 74 to move without interfering with other parts of the worktable 1.

[0046] The electric push rod model 72 is available as follows: DTZ300 electric push rod. This push rod operates smoothly, has moderate thrust, and can accurately control the lifting height of the rotary cleaning frame 74 to meet the needs of debris cleaning.

[0047] In an optional embodiment: the circular cleaning rack 74 is located at the inner bottom of the die-cutting groove 6, and the bottom of the worktable 1 is provided with a through groove for the top of both sides of the U-shaped lifting plate 73 to pass through, and the top outer wall of both sides of the U-shaped lifting plate 73 is slidably connected to the inner wall of the through groove.

[0048] It should be noted that the through groove provides guidance for the movement of the U-shaped lifting plate 73, ensuring that the U-shaped lifting plate 73 can only move in the up and down direction, avoiding deviation during movement, and ensuring that the circular cleaning frame 74 can accurately rise and fall within the die-cutting groove 6. The sliding connection between the U-shaped lifting plate 73 and the through groove results in low frictional resistance, making the movement of the U-shaped lifting plate 73 smoother.

[0049] It is worth noting that when the circular cleaning rack 74 rises to its highest point, its top is on the same horizontal line as the top surface of the workbench 1.

[0050] In an optional embodiment: the outer diameter of the circular cleaning frame 74 is adapted to the inner diameter of the die-cutting groove 6, and both the inner and outer walls of the circular cleaning frame 74 are slidably connected to the inner wall of the die-cutting groove 6. The label tape debris in the die-cutting groove 6 is pushed out and cleaned by the upward movement of the circular cleaning frame 74.

[0051] It should be noted that the outer diameter of the circular cleaning frame 74 is adapted to the inner diameter of the die-cutting groove 6, so that it can make close contact with the inner wall of the die-cutting groove 6 during the rising process, and clean away the debris attached to the inner wall of the die-cutting groove 6. The cleaning effect is more comprehensive, and it avoids tilting or jamming, which improves the working reliability of the cleaning mechanism 7. The debris is cleaned by rising and ejecting, which improves the cleaning efficiency inside the die-cutting groove 6.

[0052] In an optional embodiment, it further includes two sets of limiting sliders 5 and two sets of limiting grooves 8. The two sets of limiting grooves 8 are symmetrically opened on the inner walls of both sides of the mounting frame 3. The two sets of limiting sliders 5 are slidably installed inside the two sets of limiting grooves 8, and one end of the two sets of limiting sliders 5 is fixedly connected to both sides of the mounting plate 42.

[0053] It should be noted that the sliding engagement between the limit slider 5 and the limit groove 8 guides the lifting and lowering of the mounting plate 42, ensuring that the mounting plate 42 can only be lifted and lowered in the vertical direction. This prevents the mounting plate 42 from shifting or shaking during the lifting and lowering process, thereby ensuring the positional accuracy of the die-cutting cutter 44 during the lifting and lowering process. This ensures that the die-cutting cutter 44 can be accurately aligned with the die-cutting groove 6, improving the die-cutting quality. At the same time, it can also share the radial force borne by the electro-hydraulic rod 41, protecting the electro-hydraulic rod 41 and extending its service life.

[0054] Working principle: When using this utility model, the T-shaped block 45 at the top of the die-cutting cutter 44 is slid into the inside of the bracket 43, and two sets of locking bolts 46 are used to penetrate the side wall of the bracket 43 and screwed into one side of the top of the T-shaped block 45 to complete the stable installation of the die-cutting cutter 44.

[0055] In non-working state: The spiral protective plate 48, supported by the buffer assembly 47, is located outside the bottom cutting edge of the die-cutting tool 44, forming a physical barrier to prevent the tool from being damaged by collision with external objects;

[0056] Working state: When the electric hydraulic rod 41 pushes the mounting plate 42 and the die-cutting cutter 44 to press down and contact the label tape, the label tape generates a reaction force on the spiral protective plate 48, the buffer component 47 plays its role, and the sliding rod 474 slides into the sleeve 471 under the reaction force, compressing the spring 472. The spring 472 absorbs and disperses the impact energy, reduces the force on the cutter, and protects the cutting edge.

[0057] When the drive motor 23 starts, it drives the rotating rod 22 connected to it to rotate. Through the meshing transmission of the gear 24, the other set of rotating rods 22 rotate synchronously, which in turn drives the two sets of guide rollers 25 to rotate. Under the friction of the two sets of guide rollers 25, the label tape is smoothly guided from one end of the worktable 1 to the die-cutting position. Because the guide rollers 25 rotate synchronously, the flatness and stability of the label tape are ensured.

[0058] The telescopic end of the electric hydraulic rod 41 extends downward, pushing the mounting plate 42 to descend vertically along the limiting slide grooves 8 on both sides of the mounting frame 3. The limiting slider 5 cooperates with the limiting slide grooves 8 to ensure that the mounting plate 42 moves smoothly. The mounting plate 42 drives the die-cutting cutter 44 to descend to the die-cutting groove 6 on the worktable 1 to die-cut the label tape located above the die-cutting groove 6, thus completing the cutting process of the label tape.

[0059] When a certain amount of label tape debris accumulates in the die-cutting slot 6, the telescopic end of the electric push rod 72 extends upward, pushing the U-shaped lifting plate 73 to rise. The tops on both sides of the U-shaped lifting plate 73 slide along the through groove at the bottom of the worktable 1, causing the circular cleaning frame 74 to rise. The circular cleaning frame 74 pushes the debris out of the die-cutting slot 6, thus facilitating the cleaning of the debris, keeping the die-cutting slot clean, and providing good conditions for subsequent die-cutting work.

[0060] The control method of the drive motor, electro-hydraulic rod and electric push rod in this application is to automatically control them through a controller. The control circuit of the controller can be implemented by a person skilled in the art through simple programming, which is common knowledge in the field. Furthermore, this application is mainly used to protect the structure and shape and their combination, so the control method and circuit connection will not be explained in detail in this application.

[0061] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A tool protection component, characterized in that, Including die-cutting protection mechanisms; The die-cutting protection mechanism includes an electro-hydraulic rod, a mounting plate, a clamping seat, a die-cutting cutter, locking bolts, a buffer assembly, and a U-shaped protective plate. The mounting plate is fixedly installed at the bottom of the telescopic end of the electro-hydraulic rod, the clamping seat is fixedly installed at the bottom of the mounting plate, the die-cutting cutter is clamped at the bottom of the clamping seat and fixed by two sets of locking bolts, and the U-shaped protective plate is installed below the die-cutting cutter by several sets of buffer assemblies to protect the outer side of the bottom blade of the die-cutting cutter and to limit the movement of the label tape during die-cutting.

2. The tool protection assembly according to claim 1, characterized in that: The buffer assembly includes a sleeve, a spring, a limiting ring plate, a sliding rod, and a connecting plate. The sleeve is fixedly installed at the bottom of the mounting plate, the spring is fixedly installed at the inner top of the sleeve, the limiting ring plate is fixedly installed at the bottom of the spring, one end of the sliding rod is fixedly inserted into the inside of the limiting ring plate, and the other end of the sliding rod passes through the sleeve and is fixedly connected to the top of the connecting plate. The connecting plate is fixedly installed on the top surface of the U-shaped protective plate by several screws.

3. The tool protection assembly according to claim 1, characterized in that: The die-cutting protection mechanism also includes a T-block, which is fixedly installed on the top of the die-cutting tool and slidably inserted into the inside of the card seat. One end of the locking bolt passes through the side wall of the card seat and is threaded to the inside of the top side of the T-block.

4. A film cutting machine, comprising the blade protection assembly as described in any one of claims 1-3, characterized in that: It also includes a worktable, a guiding mechanism, a mounting frame, a die-cutting groove, and a cleaning mechanism. The guiding mechanism is provided in two sets, which are respectively installed at both ends of the worktable for guiding the label tape. The mounting frame is fixedly installed on the top surface of the worktable, and the electric hydraulic rod is fixedly installed on the inner top of the mounting frame. The die-cutting groove is opened on the top surface of the worktable and is arranged correspondingly to the die-cutting tool. The cleaning mechanism is installed at the bottom of the worktable for cleaning label tape debris in the die-cutting groove.

5. The film cutting machine according to claim 4, characterized in that: The guiding mechanism includes two sets of fixed plates, two sets of rotating rods, a drive motor, gears, and guide rollers. The two sets of fixed plates are symmetrically fixedly installed at one end of the worktable. The two sets of rotating rods are rotatably installed on the side walls of the two sets of fixed plates through bearings. One end of each set of rotating rods passes through the fixed plate and is fitted with a gear. The two sets of gears mesh with each other. The other end of one set of rotating rods passes through the fixed plate and is fixedly installed to one end of the output shaft of the drive motor. Guide rollers are fixedly fitted on the outer walls of both sets of rotating rods.

6. The film cutting machine according to claim 5, characterized in that: The two sets of guide rollers are arranged vertically and horizontally, with the top of the bottom guide roller and the top surface of the worktable on the same horizontal line.

7. The film cutting machine according to claim 4, characterized in that: The cleaning mechanism includes a concave frame, an electric push rod, a U-shaped lifting plate, and a circular cleaning frame. The concave frame is fixedly installed at the bottom of the workbench, and the electric push rod is fixedly installed at the bottom of the concave frame. The top of the telescopic end of the electric push rod passes through the concave frame and is fixedly installed at the bottom of the U-shaped lifting plate. The top of the U-shaped lifting plate passes through the workbench and extends into the interior of the die-cutting groove, and is fixedly installed at the bottom of both sides of the circular cleaning frame.

8. The film cutting machine according to claim 7, characterized in that: The U-shaped cleaning rack is located at the bottom of the die-cutting slot, and the bottom of the worktable is provided with a through slot for the top of both sides of the U-shaped lifting plate to pass through. The top outer walls of both sides of the U-shaped lifting plate are slidably connected to the inner wall of the through slot.

9. The film cutting machine according to claim 8, characterized in that: The outer diameter of the U-shaped cleaning frame is adapted to the inner diameter of the die-cutting groove, and both the inner and outer walls of the U-shaped cleaning frame are slidably connected to the inner wall of the die-cutting groove. The label tape debris in the die-cutting groove is pushed out and cleaned by the rise of the U-shaped cleaning frame.

10. The film cutting machine according to claim 4, characterized in that: It also includes two sets of limiting sliders and two sets of limiting grooves. The two sets of limiting grooves are symmetrically opened on the inner walls of both sides of the mounting frame. The two sets of limiting sliders are slidably installed inside the two sets of limiting grooves, and one end of the two sets of limiting sliders is fixedly connected to both sides of the mounting plate.

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