Film covering mechanism of vibration cutter cutting machine

Abstract

The utility model belongs to the technical field of film covering mechanisms of cutting machines, and particularly relates to a film covering mechanism of a vibration cutter cutting machine, which comprises a shell, a mounting platform, a rebound mechanism, a processing platform, a cutter head assembly and a moving mechanism, the cutter head assembly comprises a fixing ring, and a mounting ring is fixed at the bottom of the fixing ring; four stroke mechanisms are fixed to the bottom of the mounting ring at equal intervals, limiting check blocks are arranged among the four stroke mechanisms, telescopic sliding rods are slidably connected to the bottoms of the stroke mechanisms, circular ring connecting blocks are fixed to the bottoms of the telescopic sliding rods and fixed to a film covering circular ring, and a tool bit mounting ring is arranged in the fixing ring; according to the negative pressure film laminating device, the stroke mechanism is arranged, the telescopic sliding rod elastically slides, when the tool bit is pressed downwards, the film laminating circular ring makes contact with a material firstly, a negative pressure film can be attached to the surface of the material more tightly, and the situation that adsorption is not tight due to the fact that the tool bit moves is avoided.

Description

Technical Field

[0001] This utility model belongs to the technical field of film coating mechanism for cutting machines, and particularly relates to the film coating mechanism for vibrating knife cutting machines. Background Technology

[0002] In the application of vibratory knife cutting machines, the coating process is a crucial step. However, traditional coating methods often suffer from uneven coating, air bubbles, and unstable material adsorption due to coating voids. These problems not only affect cutting quality but also reduce production efficiency. This is especially true in composite material processing fields such as aerospace and automotive manufacturing, where the requirements for coating quality are even more stringent. Therefore, developing a mechanism that can stably, efficiently, and uniformly coat materials after vibratory knife cutting is particularly important. Authorized publication number CN220362687U discloses a coating mechanism for vibratory knife cutting machines, comprising: fixed shafts located at both ends of the vibratory knife cutting machine's worktable; each fixed shaft is wound with an airtight first film to cover the processed material; rollers for winding the first film are located on both sides of the vibratory knife near the fixed shafts; the other end of the first film is connected to a corresponding roller; the rollers are connected to the vibratory knife cutting machine and move synchronously with the vibratory knife. Through this method, this invention can coat the cut material with a film, thereby reducing the impact of coating voids on material adsorption and thus stably adsorbing the material onto the worktable.

[0003] In the above-mentioned solutions, the fixed shaft and roller are only set in the horizontal direction. When the cutter head moves, it will cause large-scale deformation and folding of the film, resulting in low processing stability. At the contact position of the cutter head, due to the high frequency of the vibrating knife, turbulence is easily generated, especially airflow on the film near the cutter head, affecting the stability of material adsorption. Therefore, this utility model proposes a film coating mechanism for a vibrating knife cutting machine to solve the above problems. Utility Model Content

[0004] The purpose of this invention is to provide a film coating mechanism for a vibrating knife cutting machine, so as to at least solve the problems of the prior art mentioned above.

[0005] To achieve the above objectives, the vibrating knife cutting machine coating mechanism provided in this embodiment includes a housing, a mounting platform, a spring mechanism, a processing platform, and a cutter head assembly. The cutter head assembly includes a fixing ring, a mounting ring fixed to the bottom of the fixing ring, four stroke mechanisms fixed at equal intervals to the bottom of the mounting ring, limit blocks provided between the four stroke mechanisms, a telescopic slide rod slidably connected to the bottom of each stroke mechanism, a circular connecting block fixed to the bottom of the telescopic slide rod, the circular connecting block fixed to the coating ring, a cutter head mounting ring provided inside the fixing ring, and a cutter head connected to the bottom of the cutter head mounting ring.

[0006] Optionally, the mounting platform is fixedly installed inside the housing, and a cutter head assembly is connected to the bottom of the mounting platform. A spring-loaded mechanism is provided on the plane where the cutter head assembly is located. The spring-loaded mechanism is fixed on four sides of the inner wall of the housing. A processing platform is provided below the spring-loaded mechanism and is fixed on the inner wall of the housing.

[0007] Optionally, the retaining ring and the cutter head mounting ring in the cutter head assembly are fixed to the bottom of the mounting platform.

[0008] Optionally, the travel mechanism includes a travel block, a travel spring rod, and a travel slider. The travel slider is slidably connected to the travel block. The stepped groove at the bottom of the travel block limits the travel slider. The two ends of the travel spring rod are fixed to the inner wall at the top of the travel slider and the inner wall at the top of the travel block. The number of travel spring rods is set to three.

[0009] Optionally, the telescopic slide bar includes a telescopic rod, an upper reinforcing block is fixed on the upper inner side of the telescopic rod, and a lower reinforcing block is fixed on the lower inner side of the telescopic rod.

[0010] Optionally, the annular connecting block includes a connecting block body. The connecting block body has an inner hole on the side closer to the cutter head and an outer hole on the side farther from the cutter head. An installation hole is provided on the block body where the outer hole is located. An elastic limiting plug is provided between the outer hole and the inner hole. The elastic limiting plug is engaged with the connecting block body by a limiting cover plate. The limiting cover plate is installed on the connecting block body by a threaded connection between the mounting bolt and the installation hole.

[0011] Optionally, the rebound mechanism includes a rotating rod, the two ends of which are rotatably engaged with fixed rods, a torsion spring is provided between the fixed rods, a torsion block is provided in the middle of the torsion spring, and the torsion block is fixedly connected to the inner wall of the rotating rod.

[0012] Optionally, the springback mechanism is configured to address the gap between the annular connecting block and the coated annular ring.

[0013] Optionally, the moving mechanism is located above the cutter head assembly. The moving mechanism includes a movable mounting block. A first axle and a second axle are respectively provided on the left and right sides of the movable mounting block. The first axle and the second axle are rotatably connected to the movable mounting block. The movable mounting block rotates through a transmission gear in the middle. The transmission gear is rotatably mounted on the inner arm of the movable mounting block. The second axle rotates through a motor gear. The motor gear is driven by a transverse motor, which is fixed on the movable mounting block.

[0014] Optionally, a horizontal hydraulic cylinder is fixed on the surface of the movable mounting block away from the transmission gear, and a limit block is fixed at the bottom of the horizontal hydraulic cylinder. The limit block rotates and cooperates with the first shaft and the second shaft. A vertical hydraulic cylinder is fixed above the movable mounting block, and the bottom of the vertical hydraulic cylinder is fixedly connected to the cutter head assembly.

[0015] Optionally, the first axle wheel includes an axle body, the middle section of which has a rotation limiting groove, and the axle body is slidably connected to a bushing.

[0016] The above-mentioned technical solutions in the film coating mechanism of the vibrating knife cutting machine provided in this embodiment of the utility model have at least one of the following technical effects:

[0017] 1. The film coating mechanism of the vibrating knife cutting machine of this utility model, by setting a stroke mechanism and a telescopic slide bar for elastic sliding, when the knife head is pressed down, the film coating ring contacts the material first, which can make the negative pressure film adhere more tightly to the material surface and prevent the adhesion from being loose due to the movement of the knife head.

[0018] 2. The film coating mechanism of the vibrating knife cutting machine of this utility model can fully cover the surface of the material to be cut by setting up a four-directional rebound mechanism and a film coating ring. By using the elastic limit plug and the inner and outer holes on the connecting block to lock together, one end of the negative pressure membrane can be fixed to the bottom of the cutter head assembly, which also facilitates the disassembly and replacement of the negative pressure membrane. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 This utility model provides a schematic diagram of the film coating mechanism for a vibrating knife cutting machine;

[0021] Figure 2 This utility model provides a schematic diagram of the cutter head assembly structure of the film coating mechanism of a vibrating knife cutting machine;

[0022] Figure 3 This utility model provides a partially exploded cross-sectional view of the stroke mechanism of the coating mechanism of a vibrating knife cutting machine;

[0023] Figure 4 An exploded view of the spring mechanism structure of the film coating mechanism of the vibrating knife cutting machine is provided for this utility model.

[0024] Figure 5This utility model provides a half-sectional view of the connection of the fixing rod of the film coating mechanism of the vibrating knife cutting machine;

[0025] Figure 6 An exploded view of the circular connecting block structure of the film coating mechanism of the vibrating knife cutting machine is provided for this utility model.

[0026] Figure 7 This utility model provides a schematic diagram of the moving mechanism of the film coating mechanism of a vibrating knife cutting machine;

[0027] Figure 8 A side sectional view of the first shaft wheel of the film coating mechanism of the vibrating knife cutting machine is provided for this utility model.

[0028] The following are the labeling elements in the figure:

[0029] 1—Outer shell 2—Mounting platform 3—Rebound mechanism 31—Rotating rod

[0030] 32—Fixed rod; 33—Torsion spring; 34—Torsion block; 4—Machining platform

[0031] 5—Cutter Head Assembly 51—Fixing Ring 52—Mounting Ring 53—Limit Stop 54—Stroke Mechanism 541—Stroke Block 542—Stroke Spring Rod 543—Stroke Slider 55—Telescopic Slide Rod 551—Telescopic Rod 552—Upper Reinforcing Block 553—Lower Reinforcing Block 56—Coated Circular Ring 57—Circular Ring Connecting Block 571—Connecting Block Body 572—Inner Hole 573—Outer Hole 574—Mounting Hole 575—Elastic Limiting Plug 576—Limiting Cover Plate 577—Mounting Bolt 58—Cutter Head 59—Cutter Head Mounting Ring 6—Moving Mechanism

[0032] 61—First axle wheel; 62—Moving mounting block; 63—Second axle wheel; 64—Transmission gear

[0033] 65—Horizontal motor; 66—Motor gear; 67—Horizontal hydraulic cylinder; 68—Limit block

[0034] 69—Vertical hydraulic cylinder; 611—Shaft body; 612—Rotation limit groove; 613—Shaft sleeve. Detailed Implementation

[0035] The embodiments of this utility model are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The following description is based on the accompanying drawings. Figure 1-8 The described embodiments are exemplary and intended to explain embodiments of the present invention, and should not be construed as limiting the present invention.

[0036] In the description of the embodiments of this utility model, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing the embodiments of this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0037] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of embodiments of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0038] In this embodiment of the invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," 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 or an electrical connection; 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. Those skilled in the art can understand the specific meaning of the above terms in this embodiment of the invention according to the specific circumstances.

[0039] In one embodiment of this utility model, such as Figure 1-3As shown, a film coating mechanism for a vibrating knife cutting machine is provided, including a housing 1, a mounting platform 2, a spring mechanism 3, a processing platform 4, and a cutter head assembly 5. The cutter head assembly 5 includes a fixing ring 51, a mounting ring 52 fixed to the bottom of the fixing ring 51, four stroke mechanisms 54 fixed at equal intervals to the bottom of the mounting ring 52, limit stops 53 provided between the four stroke mechanisms 54, a telescopic slide rod 55 slidably connected to the bottom of the stroke mechanism 54, and a circular connecting block 57 fixed to the bottom of the telescopic slide rod 55. The circular connecting block 57 is fixed on the film coating ring 56. A cutter head mounting ring 59 is provided inside ring 51, and a cutter head 58 is connected to the bottom of the cutter head mounting ring 59. Mounting platform 2 is fixedly installed inside housing 1, and a cutter head assembly 5 is connected to the bottom of mounting platform 2. A spring-loaded mechanism 3 is provided on the plane where the cutter head assembly 5 is located. The spring-loaded mechanism 3 is fixed on four surfaces of the inner wall of housing 1. A processing platform 4 is provided below the spring-loaded mechanism 3 and is fixed to the inner wall of housing 1. The fixing ring 51 and the cutter head mounting ring 59 in the cutter head assembly 5 are fixed to the bottom of mounting platform 2. The stroke mechanism 54 and the telescopic slide rod 55 spring... The coating ring 56 contacts the material first when the cutter head 58 is pressed down, allowing the negative pressure film to adhere more tightly to the material surface and preventing loose adhesion caused by the movement of the cutter head 58. The outer shell 1 serves as the supporting structure for the entire coating mechanism, protecting the internal components from external damage and providing fixing points for the mounting platform 2 and other components. The mounting platform 2 is used to fix the cutter head assembly 5, ensuring the stability and accuracy of the cutter head 58 during processing. It also serves as a connecting bridge between the cutter head assembly 5 and the outer shell 1. The springback mechanism 3 includes a rotating rod 31, a fixing rod 32, a torsion spring 33, and a torsion block 34, which helps the mechanism return to its original position after the cutter head 58 cuts. The elasticity of the torsion spring 33 absorbs the impact force during the cutting process, improving the smoothness and accuracy of the cutting. The gap between the corresponding ring connecting block 57 and the coating ring 56 is set to ensure that the springback effect does not affect the coating operation. The processing platform 4 provides a surface for placing the cutting material, ensuring that the material remains stable during the cutting process. It is fixed on the inner wall of the outer shell 1 and works with the cutter head assembly 5 to complete the cutting task.

[0040] like Figure 1-5As shown, the stroke mechanism 54 includes a stroke block 541, a stroke spring rod 542, and a stroke slider 543. The stroke slider 543 is slidably connected to the stroke block 541. The stepped groove at the bottom of the stroke block 541 limits the movement of the stroke slider 543. The two ends of the stroke spring rod 542 are fixed to the inner wall of the top of the stroke slider 543 and the inner wall of the upper end of the stroke block 541. There are three stroke spring rods 542. The telescopic slide rod 55 includes a telescopic rod 551. An upper reinforcing block 552 is fixed to the inner side of the upper part of the telescopic rod 551, and a lower reinforcing block 553 is fixed to the inner side of the lower part of the telescopic rod 551. The stroke mechanism 54 includes a stroke block 541, a stroke spring rod 542, and a stroke slider 543, providing a cutter head 5. The vertical movement and cushioning of the 8, the elastic action of the travel spring rod 542 helps absorb the impact force during cutting, protecting the cutter head 58 and the material. The telescopic slide bar 55 includes a telescopic rod 551, an upper reinforcing block 552 and a lower reinforcing block 553, providing stable telescopic movement. The reinforcing blocks are used to enhance the rigidity and stability of the slide bar, ensuring accuracy during the cutting process. The annular connecting block 57 includes a connecting block body 571, an inner hole 572, an outer hole 573, a mounting hole 574, an elastic limit plug 575 and a limit cover plate 576, connecting the cutter head assembly 5 and the coated annular ring 56, providing elastic connection and limit function. The elastic limit plug 575 and the limit cover plate 576 are used to adjust and maintain the stability and elasticity of the connecting block.

[0041] like Figure 1-3As shown in Figure 6, the annular connecting block 57 includes a connecting block body 571. An inner hole 572 is formed on the side of the connecting block body 571 closest to the cutter head 58, and an outer hole 573 is formed on the side of the connecting block body 571 furthest from the cutter head 58. An installation hole 574 is formed on the block containing the outer hole 573. An elastic limiting plug 575 is provided between the outer hole 573 and the inner hole 572. The elastic limiting plug 575 is engaged with the connecting block body 571 by a limiting cover plate 576. The limiting cover plate 576 is installed on the connecting block body 571 by a threaded connection between the mounting bolt 577 and the installation hole 574. The spring-loaded mechanism 3 includes a rotating rod 31. Both ends of the rotating rod 31 are rotatably engaged with fixed rods 32. A torsion spring 33 is provided between the fixed rods 32. A torsion block 34 is provided in the middle of the torsion spring 33. The torsion block 34 is fixedly connected to the inner wall of the rotating rod 31. The spring-loaded mechanism 3 corresponds to the annular connecting block 57 and the coated annular ring. The gap between 56, the spring mechanism 3, and the film-coated ring 56 can fully cover the surface of the material to be cut. By engaging the elastic limit plug 575 with the inner hole 572 and outer hole 573 on the connecting block 571, one end of the negative pressure membrane can be fixed to the bottom of the cutter head assembly 5, which also facilitates the disassembly and replacement of the negative pressure membrane. The cutter head assembly 5 includes a fixing ring 51, a mounting ring 52, a limit stop 53, a stroke mechanism 54, a telescopic slide bar 55, a film-coated ring 56, a ring connecting block 57, a cutter head mounting ring 59, and a cutter head 58. The cutter head 58 is the part that actually performs the cutting operation. It is fixed to the assembly by the cutter head mounting ring 59. The stroke mechanism 54 and the telescopic slide bar 55 provide the up and down movement capability of the cutter head 58 to adapt to materials of different thicknesses. The ring connecting block 57 and the film-coated ring 56 are used to connect and support the cutter head assembly 5, while allowing a certain amount of elastic movement.

[0042] like Figure 7 , 8As shown, the moving mechanism 6 is positioned above the cutter head assembly 5. The moving mechanism 6 includes a moving mounting block 62. A first axle wheel 61 and a second axle wheel 63 are respectively positioned on the left and right sides of the moving mounting block 62. The first axle wheel 61 and the second axle wheel 63 are rotatably connected to the moving mounting block 62. The moving mounting block 62 rotates through a transmission gear 64, which is rotatably mounted on the inner arm of the moving mounting block 62. The second axle wheel 63 rotates through a motor gear 66, which is driven by a horizontal motor 65. The horizontal motor 65 is fixed to the moving mounting block 62. A horizontal hydraulic cylinder 67 is fixed to the surface of the moving mounting block 62 away from the transmission gear 64. A limit block 68 is fixed to the bottom of the horizontal hydraulic cylinder 67, and the limit block 68 rotatably engages with the first axle wheel 61 and the second axle wheel 63. A vertical hydraulic cylinder 69 is fixed above the moving mounting block 62, and the bottom of the vertical hydraulic cylinder 69 is fixedly connected to the cutter head assembly 5. The first axle wheel 61... The device includes a shaft 611 with a rotation limiting groove 612 in the middle section. The shaft 611 is slidably connected to a bushing 613. A first axle wheel 61 and a second axle wheel 63 provide support and guidance for the cutter head assembly 5 during movement, ensuring that the cutter head 58 can cut along a predetermined path. A transmission gear 64 transmits power, enabling the gears inside the movable mounting block 62 to mesh and rotate, thereby driving the movement of the cutter head assembly 5. A horizontal motor 65 and a motor gear 66 provide a power source, driving the motor gear 66 to rotate, which in turn drives the movement of the cutter head assembly 5 through the transmission gear 64. A horizontal hydraulic cylinder 67 provides a horizontal thrust or pull force, and a limit block 68 restricts and guides the horizontal movement of the cutter head assembly 5. A vertical hydraulic cylinder 69 provides a vertical thrust or pull force, driving the cutter head assembly 5 to move vertically, thereby adjusting the cutting depth.

[0043] At least one embodiment of this utility model can achieve the following: When the coating mechanism starts working, the negative pressure film roll is installed on the rotating rod 31, the other end of the negative pressure film is wound from the bottom of the coating ring 56 and passed through the connecting block 571, the negative pressure film is pressed against the inner hole 572 by the elastic limiting plug 575, and the limiting cover plate 576 is fixed to the mounting hole 574 by the mounting bolt 577. The limiting cover plate 576 compresses the elastic limiting plug 575 inward, thereby achieving the effect of fixing the negative pressure film. When starting working, the coating ring 56 moves downward with the cutter head 58. The coating ring 56 first contacts the material. Under the elastic force of the stroke spring rod 542, the coating ring 56 presses the negative pressure film downward and tightly against the material. When the cutter head 58 moves horizontally, the rotating rod 31 in the corresponding two directions rotates, the torsion spring 33 deforms and stores elastic force, and tightens the negative pressure film horizontally, so that the negative pressure film can always be stably and tightly attached to the outer surface of the material, thus completing the processing.

[0044] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A film coating mechanism for a vibrating knife cutting machine, comprising a housing (1), a mounting platform (2), a spring mechanism (3), a processing platform (4), a cutter head assembly (5), and a moving mechanism (6), characterized in that: The cutter head assembly (5) includes a fixing ring (51), a mounting ring (52) is fixed at the bottom of the fixing ring (51), four stroke mechanisms (54) are fixed at equal intervals at the bottom of the mounting ring (52), a limit stop (53) is provided between the four stroke mechanisms (54), a telescopic slide rod (55) is slidably connected to the bottom of the stroke mechanism (54), a circular ring connecting block (57) is fixed at the bottom of the telescopic slide rod (55), the circular ring connecting block (57) is fixed on the film-coated circular ring (56), a cutter head mounting ring (59) is provided inside the fixing ring (51), and a cutter head (58) is connected to the bottom of the cutter head mounting ring (59).

2. The film coating mechanism of the vibrating knife cutting machine according to claim 1, characterized in that: The mounting platform (2) is fixedly installed inside the outer shell (1). A cutter head assembly (5) is connected to the bottom of the mounting platform (2). A spring-back mechanism (3) is provided on the plane where the cutter head assembly (5) is located. The spring-back mechanism (3) is fixed on the four sides of the inner wall of the outer shell (1). A processing platform (4) is provided below the spring-back mechanism (3). The processing platform (4) is fixed on the inner wall of the outer shell (1).

3. The film coating mechanism of the vibrating knife cutting machine according to claim 1, characterized in that: The fixing ring (51) and the cutting head mounting ring (59) in the cutting head assembly (5) are fixed to the bottom of the mounting platform (2).

4. The film coating mechanism of the vibrating knife cutting machine according to claim 1, characterized in that: The stroke mechanism (54) includes a stroke block (541), a stroke spring rod (542), and a stroke slider (543). The stroke slider (543) is slidably connected to the stroke block (541). The stepped groove at the bottom of the stroke block (541) limits the stroke slider (543). The two ends of the stroke spring rod (542) are fixed to the inner wall at the top of the stroke slider (543) and the inner wall at the upper end of the stroke block (541). There are three stroke spring rods (542).

5. The film coating mechanism of the vibrating knife cutting machine according to claim 1, characterized in that: The telescopic slide bar (55) includes a telescopic rod (551), an upper reinforcing block (552) is fixed on the upper inner side of the telescopic rod (551), and a lower reinforcing block (553) is fixed on the lower inner side of the telescopic rod (551).

6. The film coating mechanism of the vibrating knife cutting machine according to claim 1, characterized in that: The annular connecting block (57) includes a connecting block body (571). The connecting block body (571) has an inner hole (572) on the side of the block near the cutter head (58) and an outer hole (573) on the side of the block away from the cutter head (58). An installation hole (574) is provided on the block where the outer hole (573) is located. An elastic limiting plug (575) is provided between the outer hole (573) and the inner hole (572). The elastic limiting plug (575) is engaged with the connecting block body (571) by a limiting cover plate (576). The limiting cover plate (576) is installed on the connecting block body (571) by a threaded connection between the mounting bolt (577) and the mounting hole (574).

7. The film coating mechanism for a vibrating knife cutting machine according to claim 6, characterized in that: The rebound mechanism (3) includes a rotating rod (31), the two ends of which are rotatably engaged with the fixed rod (32), a torsion spring (33) is provided between the fixed rods (32), a torsion block (34) is provided in the middle of the torsion spring (33), and the torsion block (34) is fixedly connected to the inner wall of the rotating rod (31).

8. The film coating mechanism of the vibrating knife cutting machine according to claim 6, characterized in that: The spring mechanism (3) is configured to fill the gap between the annular connecting block (57) and the coated annular ring (56).

9. The film coating mechanism of the vibrating knife cutting machine according to claim 1, characterized in that: The moving mechanism (6) is located above the cutter head assembly (5). The moving mechanism (6) includes a moving mounting block (62). A first shaft wheel (61) and a second shaft wheel (63) are respectively provided on the left and right sides of the moving mounting block (62). The first shaft wheel (61) and the second shaft wheel (63) are rotatably connected to the moving mounting block (62). The moving mounting block (62) rotates in the middle through a transmission gear (64). The transmission gear (64) is rotatably mounted on the inner arm of the moving mounting block (62). The second shaft wheel (63) rotates in contact with a motor gear (66). The motor gear (66) is driven by a transverse motor (65). The transverse motor (65) is fixed on the moving mounting block (62).

10. The film coating mechanism of the vibrating knife cutting machine according to claim 9, characterized in that: A horizontal hydraulic cylinder (67) is fixed on the surface of the movable mounting block (62) away from the transmission gear (64). A limit block (68) is fixed at the bottom of the horizontal hydraulic cylinder (67). The limit block (68) rotates with the first shaft wheel (61) and the second shaft wheel (63). A vertical hydraulic cylinder (69) is fixed above the movable mounting block (62). The bottom of the vertical hydraulic cylinder (69) is fixedly connected to the cutter head assembly (5).

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