A kind of adhesive tape cutting mechanism and wet adhesive tape machine

Abstract

The utility model discloses a kind of adhesive tape cutting mechanism and wet water adhesive tape machine, and cutting mechanism includes rack, moving knife component and fixed knife component, moving knife component includes moving knife support, moving knife support is hingedly arranged on rack, fixed knife component is fixedly arranged on rack, moving knife component further includes moving knife blade and moving knife guide structure, moving knife blade is swingably mounted to moving knife support, moving knife guide structure is fixedly arranged on rack, when moving knife blade is driven and contacted with moving knife guide structure, moving knife blade is guided to adhere with the cutting end of fixed knife component to carry out cutting.The utility model is guided to the function of cutting by the movable loosening assembly of moving knife blade on moving knife support, and using moving knife guide structure to guide moving knife blade activity, realize the function of cutting.Moving knife blade is guided to adjust to specific position when working, compared with prior art, moving knife blade does not occur position deviation due to long-term work, after work, moving knife blade can return loose state, without accurate and frequent knife adjustment.

Description

Technical Field

[0001] This utility model relates to the field of processing equipment technology, and in particular to a tape cutting mechanism and a wet tape machine. Background Technology

[0002] In the express delivery and logistics industry, packaging cartons all need to be sealed. Currently, the sealing process for cartons at home and abroad generally uses plastic tape and paper wet tape. However, the use of plastic tape will cause environmental pollution.

[0003] A wet tape machine is a machine that uses uncontaminated treated paper tape (wet tape) to seal cartons. It uses a highly absorbent brush to apply water to the wet tape. After the starch layer on the surface of the wet tape is coated with water, it becomes sticky and can adhere to the carton. In the sealing process, a specific electric machine is generally used to apply water to the wet tape and then send it out. The wet tape is then used to seal the carton.

[0004] Existing wet tape cutting machines typically cut tape using a combination of moving and stationary blades. However, the positions of these blades require frequent adjustment to ensure optimal cutting results; otherwise, problems such as incomplete cuts or irregular cut surfaces can occur, significantly impacting efficiency. Furthermore, existing electric wet tape cutting machines require electricity, making them unsuitable for various applications. Moreover, these issues exist not only in wet tape cutting but also in other cutting scenarios, necessitating a new cutting mechanism to address these problems. Utility Model Content

[0005] To address the shortcomings of existing technologies, this utility model provides a tape cutting mechanism and a wet tape machine. It requires no electricity to operate and can automatically adjust the position of the moving blade during each cut, making it convenient and quick to operate.

[0006] According to a first aspect of the present invention, a tape cutting mechanism is provided, comprising a frame, a moving blade assembly, and a fixed blade assembly. The moving blade assembly includes a moving blade support hinged to the frame, and the fixed blade assembly is fixedly mounted on the frame. The moving blade assembly further includes a moving blade and a moving blade guide structure. The moving blade is oscillatingly mounted to the moving blade support, and the moving blade guide structure is fixedly mounted on the frame. When the moving blade is driven to contact the moving blade guide structure, the moving blade is guided to fit against the cutting end of the fixed blade assembly for cutting.

[0007] The moving blade of this utility model's tape cutting mechanism is oscillatingly mounted on a moving blade bracket, allowing for a loose assembly rather than a fixed installation. A moving blade guide structure on the frame guides the blade's movement, ensuring it engages with the cutting end of the fixed blade assembly for cutting. This design guides the moving blade to a specific position during operation, preventing positional shifts due to prolonged use, unlike existing fixed assembly methods. After each use, the blade returns to its loosely fitted state, eliminating the need for precise and frequent blade adjustments. Cutting tape and other materials requires only manual operation of the moving blade bracket; no electric control is needed, making operation convenient and quick. This tape cutting mechanism is suitable not only for cutting wet tape but also for various other product production lines.

[0008] In some embodiments, one end of the moving blade support is provided with a blade positioning structure, the blade positioning structure includes a positioning mounting post, a positioning hole is provided on the moving blade, the positioning mounting post passes through the positioning hole and is connected at one end to the moving blade support, and the other end is connected to a limit block, the size of the positioning hole is larger than the size of the positioning mounting post, and the gap between the limit block and the moving blade support is larger than the thickness of the portion of the moving blade with the positioning hole.

[0009] Therefore, with this configuration, since the size of the positioning hole of the moving blade is larger than the size of the mounting post, and the gap between the limiting block and the moving blade bracket is larger than the thickness of the part of the moving blade with the positioning hole, the moving blade can be loosely mounted on the moving blade bracket.

[0010] In some embodiments, the moving blade guide structure includes a first guide plate, and the first guide plate has a guide surface on the side facing the fixed blade assembly.

[0011] Thus, with this configuration, when the moving blade is driven to contact the guide surface of the first guide plate, the guide surface can be used to guide the moving blade to move, thereby changing the current angle of the moving blade so that the moving blade is guided to fit against the cutting end of the fixed blade assembly.

[0012] In some embodiments, the moving blade guide structure further includes a second guide plate, which is disposed upstream of the moving blade of the first guide plate in the forward direction when the moving blade is cutting. The distance between the plane containing the end of the second guide plate facing the fixed blade assembly and the plane containing the end of the first guide plate facing the fixed blade assembly and the cutting end of the fixed blade assembly corresponds to the thickness of the moving blade.

[0013] Thus, with this configuration, when the cutting end of the moving blade is guided toward the fixed blade assembly, the blade body of the moving blade will simultaneously contact the first guide plate and the second guide plate, thereby providing further support for the moving blade. This ensures that the moving blade remains stable when it is in contact with the cutting end of the fixed blade assembly for cutting, thereby improving the cutting quality.

[0014] In some embodiments, the frame is provided with an elastic element, one end of which is connected to the frame and the other end of which is connected to the end of the moving blade support away from where the moving blade is located.

[0015] Therefore, by using this configuration, the moving blade can be automatically reset using the elastic element. This allows the moving blade support to be pulled back to its original position away from the top component by the elastic element after the driving force applied to the moving blade support is canceled.

[0016] In some embodiments, the cutting end of the moving blade is configured as an inverted "V" shape.

[0017] Therefore, this design allows the moving blade and the fixed blade assembly to cut simultaneously from both sides of the tape, improving the quality of the cut and enhancing safety. Furthermore, this design results in a shorter cutting distance, effectively reducing the size of parts and the overall dimensions of the device.

[0018] In some embodiments, the moving blade assembly further includes a cutting guard plate disposed on one end of the moving blade support where the moving blade is disposed.

[0019] Therefore, with this setup, the operator can indirectly apply driving force to the moving blade bracket through the cutter guard plate, thereby driving the moving blade to move towards the fixed blade assembly to achieve cutting.

[0020] In some embodiments, the fixed blade assembly includes a fixed blade, the length of which is not shorter than the length of the moving blade, and the cutting end of the fixed blade assembly is the cutting end of the fixed blade.

[0021] Therefore, this setting can improve the cutting quality when cutting materials.

[0022] In some embodiments, the fixed-blade assembly further includes a material guiding structure disposed on the fixed blade.

[0023] Therefore, with this setup, materials such as tape can be guided by the material guiding structure so that they can be accurately delivered to the cutting position for cutting.

[0024] In some embodiments, the material guiding structure includes a first material guiding plate and a second material guiding plate, which are spaced apart to form a guiding channel for guiding material between the cutting end of the fixed blade and the moving blade.

[0025] Therefore, by setting it up in this way, a guide channel can be formed by the first material guide plate and the second material guide plate to guide the material and guide it between the fixed blade and the moving blade to achieve material cutting.

[0026] According to a second aspect of the present invention, a wet tape machine is provided, including the tape cutting mechanism described in the first aspect above. Attached Figure Description

[0027] Figure 1 This is a schematic diagram of the overall structure of the tape cutting mechanism according to one embodiment of the present invention.

[0028] Figure 2 This is a side view of the tape cutting mechanism according to one embodiment of the present invention after removing the frame portion.

[0029] Figure 3 This is an exploded view of the moving blade assembly of a tape cutting mechanism according to one embodiment of the present invention.

[0030] Figure 4 This is a schematic diagram of the blade guide structure and fixed blade assembly of a tape cutting mechanism according to an embodiment of the present invention.

[0031] Figure 5 This is a schematic diagram of the tape cutting mechanism according to one embodiment of the present invention during the cutting process;

[0032] Figure 6 This is a schematic diagram of the overall structure of a wet tape machine according to one embodiment of the present invention.

[0033] Explanation of reference numerals in the attached drawings: 1. Frame; 2. Moving blade assembly; 21. Moving blade support; 211. Left side frame; 212. Right side frame; 213. Front frame; 22. Moving blade; 221. Positioning hole; 23. Moving blade guide structure; 231. First guide plate; 232. Second guide plate; 233. Guide surface; 234. Material outlet; 24. Positioning mounting post; 25. Cutting blade guard plate; 26. Elastic element; 3. Fixed blade assembly; 31. Fixed blade; 32. First material guide plate; 33. Second material guide plate; 34. Guide channel. Detailed Implementation

[0034] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other.

[0035] In the description of this application, it should be understood that the use of terms such as "center," "middle," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," and "circumferential" to indicate orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings is solely for the convenience of describing this application and simplifying the description, and does 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, and therefore should not be construed as a limitation of this application. Features defined with "first" and "second" are used to distinguish feature names and do not have special meanings. Furthermore, features defined with "first" and "second" may explicitly or implicitly include one or more of that feature. In the description of this application, unless otherwise stated, "multiple" means two or more.

[0036] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; 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; and they can refer to the internal connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0037] It should also be noted that, in this document, the terms "comprising" or "including" include not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Unless otherwise specified, an element defined by the phrase "comprising..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element. The terminology used herein is generally that commonly used by those skilled in the art; in case of any discrepancy with commonly used terminology, the terminology used herein shall prevail.

[0038] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0039] The present invention will now be described in further detail with reference to the accompanying drawings.

[0040] Figure 1 The diagram schematically illustrates the overall structural composition of a tape cutting mechanism according to one embodiment of the present invention. (Refer to...) Figure 1 As shown, the tape cutting mechanism of this utility model includes a frame 1, a moving blade assembly 2, and a fixed blade assembly 3. The moving blade assembly 2 is hinged to the frame 1 to realize the movement of the blade, and the fixed blade assembly 3 is fixedly mounted on the frame 1. Thus, through the cooperation of the moving blade assembly 2 and the fixed blade assembly 3, shearing stress is generated to complete the cutting function.

[0041] The moving blade assembly 2 includes a moving blade support 21, which is hinged to the frame 1. A moving blade 22 is mounted on one end of the moving blade support 21, allowing the moving blade 22 to engage with the fixed blade assembly 3 for cutting by manually rotating the moving blade support 21. The hinge point of the moving blade support 21 can be located in the middle or at the end of the moving blade support 21 where the moving blade 22 is not mounted, thus allowing the moving blade 22 to move. The moving blade 22 is specifically configured to be pivotally mounted on the moving blade support 21, resulting in a loosely fitted assembly between the moving blade 22 and the moving blade support 21. The moving blade assembly 2 also includes a moving blade guide structure 23. The moving blade guide structure 23 is mounted on the frame 1 and is used to guide the moving blade 22 to the position where it engages with the fixed blade assembly 3 to complete the cutting operation when the moving blade 22 is driven to move.

[0042] Specifically, the movable blade 22 can be oscillatingly mounted on the movable blade holder 21. This can be achieved by providing a blade positioning structure on the movable blade holder 21, which may include a positioning mounting post 24. The movable blade 22 may have a positioning hole 221. A limit block is provided at the other end of the positioning mounting post 24, allowing the positioning mounting post 24 to pass through the positioning hole 221, thereby confining the movable blade 22 between the limit block and the movable blade holder 21. The size of the positioning hole 221 needs to be larger than the size of the positioning mounting post 24, so that the positioning hole 221 and the positioning mounting post 24 form an assembly state similar to a clearance fit. Simultaneously, the gap between the limit block and the movable blade holder 21 is greater than the thickness of the portion of the movable blade 22 with the positioning hole 221, allowing the movable blade 22 to move loosely on the movable blade holder 21. The positioning mounting post 24 can be a cylindrical column structure, or a square or other shaped column structure; this embodiment does not impose any limitations on this.

[0043] The moving blade 22 can be designed as a metal plate, with a beveled edge at its end to accentuate the cutting edge and form the cutting end. In some possible implementations, the cutting end of the moving blade 22 can be an inverted "V" shape, so that when the moving blade 22 engages with the fixed blade assembly 3, it cuts simultaneously from both sides of the tape, improving the quality of the cut and enhancing safety. This design also results in a shorter cutting distance, effectively reducing part size and overall device dimensions. The positioning hole 221 can be located on the moving blade 22 away from the cutting end to minimize its impact on the cutting end during cutting.

[0044] For example, refer to Figure 2 and Figure 3 As shown, in Figure 2 and Figure 3 In the illustrated embodiment, the moving tool support 21 consists of a connected front frame 213, a left frame 211, and a right frame 212. The left frame 211 and the right frame 212 have identical structures. The overall moving tool support 21 can be formed by integral molding and then bending. The left frame 211 and the right frame 212 are symmetrically arranged on both sides of the frame 1. In this embodiment, the positioning mounting post 24 is a cylindrical column structure, and two are symmetrically arranged on the front frame 213 along its centerline. Specifically, the positioning mounting post 24 is a sleeve structure made of copper, which ensures the structural stability of the positioning mounting post 24 and effectively reduces the overall weight. The limiting block can be a threaded component that is fixedly installed to the end of the positioning mounting post 24 via a threaded connection, such as... Figure 3 The threaded post shown, which penetrates the positioning mounting post 24, is tightened at its end to the other side of the positioning mounting post 24 by a nut, thus fixing the positioning mounting post 24 and limiting the movement of the moving blade. The cutting end of the moving blade 22 is located at its lower part and forms an inverted "V" shape. The positioning hole 221 of the moving blade 22 is located at the upper part of the moving blade 22. The positioning hole 221 is also circular, and its diameter is larger than the outer diameter of the positioning mounting post 24. After the moving blade 22 is installed on the moving blade holder 21, the moving blade 22 will swing along with the swing of the moving blade holder 21 under the action of gravity.

[0045] In some possible implementations, a cutter guard 25 may also be provided on the moving blade holder 21. The cutter guard 25 may be located at the end of the moving blade holder 21 to allow the user to directly touch and operate it, while protecting the user and preventing the user's body from approaching or reaching into the cutting position. Specifically, refer to... Figure 3 As shown, in Figure 3In the illustrated embodiment, the cutter guard plate 25 can be installed at the end of the positioning mounting post 24, i.e., at the position of the limiting block. Specifically, the cutter guard plate 25 is configured as an integrally formed "U"-shaped plate. The "U"-shaped cutter guard plate 25 is inverted, and one end passes through the positioning mounting post 24 to be fixed to the moving blade bracket 21 by the limiting block. At this time, in addition to its original basic function, the cutter guard plate 25 can also simultaneously perform the limiting function of the limiting block, further preventing the moving blade 22 from falling off.

[0046] Additionally, a spring-loaded element 26 can be installed on the frame 1, with one end connected to the frame 1 and the other end connected to the moving blade support 21. This configuration allows the spring-loaded element 26 to automatically reset and spring back the moving blade 22. For details, refer to... Figure 5 As shown, the hinge position on the moving blade holder 21 is located in the middle of the moving blade holder 21, and an elastic element 26, specifically a tension spring, is connected to the end of the moving blade holder 21 away from where the moving blade 22 is located. Therefore, when the moving blade holder 21 is pressed down for cutting, the elastic element 26 is in a stretched state. When the pressure applied to the moving blade holder 21 is released, the end of the moving blade holder 21 away from where the moving blade 22 is located is pulled by the elastic element 26, causing the moving blade 22 to automatically spring back to a position away from the fixed blade assembly 3.

[0047] The moving blade guide structure 23, which is fixedly mounted on the frame 1, can be detachably mounted on the frame 1 using bolts, nuts, or other means, or it can be integrally formed on the frame 1. Detachably mounting the moving blade guide structure 23 to the frame 1 facilitates its adjustment and maintenance. Specifically, the moving blade guide structure 23 is mounted on the side of the frame 1 facing the cutting end of the fixed blade assembly 3, and includes a first guide plate 231. The first guide plate 231 has a guide surface 233 on the side facing the fixed blade assembly 3. The guide surface 233 can be an inclined surface or an arc surface. For example, refer to... Figure 2 As shown, in Figure 2 In the illustrated embodiment, the guide surface 233 of the first guide plate 231 is configured as an arc surface and extends toward and below the fixed blade assembly 3. Consequently, after the moving blade 22 contacts the first guide plate 231, the moving blade 22 will be guided by the guide surface 233, so that the moving blade 22 moves toward the cutting end of the fixed blade assembly 3.

[0048] Furthermore, the moving blade guide structure 23 may also include a second guide plate 232. The second guide plate 232 is disposed upstream of the moving blade 22 in the forward direction when the first guide plate 231 is cutting. For example, see... Figure 2 and Figure 4 As shown, in Figure 2 and Figure 4In the illustrated embodiment, the second guide plate 232 is specifically disposed above the first guide plate 231, with partitions on both sides between them, so that the gap between the first guide plate 231 and the second guide plate 232 can form a material outlet 234 after cutting. When the moving blade 22 is pressed down, the moving blade 22 will first contact the end of the second guide plate 232 to form a first guide, thereby guiding the moving blade 22 to move towards the guide surface 233 of the first guide plate 231, and then contact the guide surface 233 to form a second guide. The gap between the plane containing the end of the second guide plate 232 facing the fixed blade assembly 3 and the end of the first guide plate 231 facing the fixed blade assembly 3, and the cutting end of the fixed blade assembly 3, corresponds to the thickness of the moving blade 22. Specifically, refer to... Figure 5 As shown, after the moving blade 22 is fully pressed down, the side of the moving blade 22 away from the fixed blade assembly 3 will abut against the end of the first guide plate 231 and the end of the second guide plate 232 to ensure the movement trajectory of the moving blade 22 and to ensure that the moving blade 22 is guided to fit against the cutting end of the fixed blade assembly 3.

[0049] The fixed blade assembly 3, which is fixedly mounted on the frame 1, includes a fixed blade 31. The fixed blade 31 can also be detachably mounted and fixed to the frame 1 using bolts, nuts, or other structures. Specifically, the length of the fixed blade 31 is set to be no shorter than the length of the moving blade 22. (Refer to...) Figure 2 and Figure 4 As shown, the cross-section of the fixed blade 31 forms a shape similar to a parallelogram, and its upper left tip is the cutting end of the fixed blade 31, that is, the cutting end of the fixed blade assembly 3.

[0050] Furthermore, the fixed-blade assembly 3 may also be provided with a material guiding structure. The material guiding structure includes a first material guide plate 32 and a second material guide plate 33, which are spaced apart to form a guide channel 34. Specifically, refer to... Figure 2 and Figure 4As shown, the material guiding structure includes a first material guide plate 32 at the top and a second material guide plate 33 at the bottom. The upper surface of the second material guide plate 33 is flush with the top surface of the fixed blade 31, allowing the formed guide channel 34 to guide the material to the cutting end of the fixed blade 31, thus guiding the material between the cutting end of the fixed blade 31 and the moving blade 22 for cutting. Both the end of the first material guide plate 32 away from the fixed blade 31 and the end of the second material guide plate 33 away from the fixed blade 31 have upward-curved arc-shaped surfaces. Partitions are provided on both sides of the first material guide plate 32 and the second material guide plate 33, forming the guide channel 34 between them. When the tape cutting mechanism of this invention is used in a wet tape machine, the guide channel 34 can also be used to add a brush for applying water to the material, so that the material is coated with water after passing through the guide channel 34 and can be used directly after cutting.

[0051] When using the entire device, simply guide the material into the corresponding position through the guide channel 34, pull it out through the material outlet 234 formed by the moving blade guide structure 23, and then press down on the moving blade support 21 by the cutting guard plate 25 on the moving blade support 21, so that the moving blade 22 moves towards the fixed blade assembly 3. After pressing down on the moving blade support 21, the moving blade 22 will first contact the first guide plate 231 to be guided to the guide surface 233 of the second guide plate 232, and then guided by the second guide plate 232 to fit against the cutting end of the fixed blade 31 to cut the material. After cutting is completed, simply release the downward pressure on the moving blade support 21, and the moving blade support 21 will automatically spring back to its original position under the action of the elastic element.

[0052] The movable blade 22 of this invention's tape cutting mechanism is oscillatingly mounted on a movable blade bracket 21, allowing for a loosely fitted installation. A movable blade guide structure 23 on the frame 1 guides the blade 22 during movement, ensuring it engages with the cutting end of the fixed blade assembly 3 for cutting. This design guides the blade 22 to a specific position during operation, preventing positional shifts due to prolonged use, unlike existing fixed mounting methods. After each use, the blade 22 disengages from the guide structure 23, returning to a loosely fitted state, eliminating the need for precise and frequent blade adjustments. Cutting tape and other materials requires only manual operation of the movable blade bracket 21, eliminating the need for electric control and offering convenient and quick operation. This tape cutting mechanism is suitable not only for cutting wet tape but also for cutting scenarios in other product production lines.

[0053] Figure 6 The wet tape machine of one embodiment of the present invention is illustrated schematically. (Refer to...) Figure 6 As shown, the wet tape machine is equipped with a tape cutting mechanism according to any of the aforementioned embodiments to cut the wet tape.

[0054] The above descriptions are merely some embodiments of this utility model. For those skilled in the art, various modifications and improvements can be made without departing from the inventive concept of this utility model, and all such modifications and improvements fall within the protection scope of this utility model.

Claims

1. A tape cutting mechanism, characterized in that: The device includes a frame, a moving blade assembly, and a fixed blade assembly. The moving blade assembly includes a moving blade support hinged to the frame, and the fixed blade assembly is fixedly mounted on the frame. The moving blade assembly also includes a moving blade and a moving blade guide structure. The moving blade is oscillatingly mounted to the moving blade support, and the moving blade guide structure is fixedly mounted on the frame. When the moving blade is driven to contact the moving blade guide structure, the moving blade is guided to fit against the cutting end of the fixed blade assembly for cutting.

2. The tape cutting mechanism according to claim 1, characterized in that: One end of the moving blade support is provided with a blade positioning structure. The blade positioning structure includes a positioning mounting post. The moving blade is provided with a positioning hole. The positioning mounting post passes through the positioning hole and is connected to the moving blade support at one end and to a limit block at the other end. The size of the positioning hole is larger than the size of the positioning mounting post. The gap between the limit block and the moving blade support is larger than the thickness of the portion of the moving blade with the positioning hole.

3. The tape cutting mechanism according to claim 1, characterized in that: The moving blade guide structure includes a first guide plate, and the first guide plate has a guide surface on the side facing the fixed blade assembly.

4. The tape cutting mechanism according to claim 3, characterized in that: The moving blade guide structure further includes a second guide plate, which is disposed upstream of the moving blade of the first guide plate in the forward direction when the moving blade is cutting. The distance between the plane containing the end of the second guide plate facing the fixed blade assembly and the plane containing the end of the first guide plate facing the fixed blade assembly and the cutting end of the fixed blade assembly corresponds to the thickness of the moving blade.

5. The tape cutting mechanism according to claim 1, characterized in that: An elastic element is provided on the frame. One end of the elastic element is connected to the frame, and the other end is connected to the end of the moving blade support away from where the moving blade is located.

6. The tape cutting mechanism according to claim 1, characterized in that: The cutting end of the moving blade is set in an inverted "V" shape.

7. The tape cutting mechanism according to claim 1, characterized in that: The moving blade assembly also includes a cutting blade guard plate, which is disposed on one end of the moving blade bracket where the moving blade is located.

8. The tape cutting mechanism according to claim 1, characterized in that: The fixed blade assembly includes a fixed blade, the length of which is not shorter than the length of the moving blade, and the cutting end of the fixed blade assembly is the cutting end of the fixed blade.

9. The tape cutting mechanism according to claim 8, characterized in that: The fixed blade assembly further includes a material guiding structure, which is disposed on the fixed blade. The material guiding structure includes a first material guiding plate and a second material guiding plate, which are spaced apart to form a guiding channel. The guiding channel is used to guide the material between the cutting end of the fixed blade and the moving blade.

10. A wet tape machine, characterized in that: Includes the tape cutting mechanism described in any one of claims 1 to 9.

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