An engraving tool and a method of machining thereof

Abstract

The application discloses a carving cutter and a processing method thereof, and relates to the technical field of cutters. The carving cutter comprises a shaft body and a plurality of cylinder bodies. Both ends of the shaft body in the axial direction are provided with rotating shafts, and the radial dimension of the rotating shafts is smaller than that of the middle part of the shaft body. The cylinder body comprises a base and a coating. The base is in a cylindrical structure, is sleeved with the middle part of the shaft body, and is detachably connected with the shaft body. The coating is located on the outer side surface of the base, and can finally form a blade. The processing method of the carving cutter comprises the following steps: processing the shaft body; processing a plurality of bases; forming the coating on the outer side surface of the base; polishing the coating; and performing CNC fine carving on the coating. The application can make the processing of the carving cutter more convenient and fast, and can make the carving cutter meet the requirements of more processing product shapes.

Description

Technical Field

[0001] This application relates to the technical field of cutting tools, and in particular to an engraving tool and a processing method thereof. Background Technology

[0002] A rotary die-cutting machine is a highly efficient die-cutting device mainly used for mass production, processing printed materials, plastics, metals, or other materials into die-cut products of various shapes. The engraving tools used in existing rotary die-cutting machines mainly include a cutter roller and a cutting edge; the shape of the cutting edge varies depending on the shape of the product being processed.

[0003] Currently, the common processing method for the engraving tools used in rotary die-cutting machines is to process the cutting roller and blade from a single metal raw material roller. The specific processing technology is as follows: turning the outer circle → rough grinding the outer circle → CNC rough machining → heat treatment and quenching → fine grinding the outer circle → CNC precision machining (CNC stands for Computer Numerical Control).

[0004] Existing engraving tools used in rotary die-cutting machines require high-strength steel as the raw material for processing, since both the cutting roller and the blade are made of the same material to ensure the cutting strength of the blade. However, processing the cutting roller and blade on high-strength steel is difficult, and to ensure the sharpness of the blade, the blade and the cutting roller need to be heat-treated and quenched together, which makes the engraving tool processing more complex and inconvenient. Moreover, when the shape of the blade on the engraving tool is complex and diverse, the processing difficulty of the engraving tool will also increase significantly. Summary of the Invention

[0005] This application provides a carving tool and its processing method, which makes the carving process more convenient and faster, and enables the carving tool to meet the needs of processing more product shapes.

[0006] On the one hand, this application provides a carving tool, which adopts the following technical solution:

[0007] A carving tool, comprising a shaft and several cylindrical bodies;

[0008] Both ends of the shaft have a rotating shaft in the axial direction, and the radial dimension of the rotating shaft is smaller than the radial dimension of the middle part of the shaft.

[0009] The cylindrical body includes a substrate and a coating; the substrate has a cylindrical structure, and the substrate is fitted with the middle part of the shaft, and the substrate and the shaft are detachably connected; the coating is located on the outer surface of the substrate, and the coating can ultimately form a blade edge.

[0010] By adopting the above technical solutions, the processing of the base in the shaft and cylinder can be made more convenient and faster. At the same time, the coating can be processed by spraying to form a blade with both strength and sharpness more quickly, which can effectively make the processing of engraving tools more convenient and faster. Furthermore, the spraying processing method can make the shape of the final blade more diverse, so that the engraving tools can meet the needs of processing more product shapes.

[0011] Optionally, the system includes multiple cylindrical bodies, each of which is fitted with the same shaft, and adjacent bases are interconnected.

[0012] By adopting the above technical solution, users can easily combine barrels with different blade shapes according to their needs, thereby enabling the engraving tools to further meet the needs of processing more product shapes.

[0013] Optionally, the two ends of the base along the axial direction are respectively provided with a snap-fit ​​portion and a snap-fit ​​groove, and the snap-fit ​​portion is adapted to the snap-fit ​​groove; after multiple bases are sleeved and fitted with the same shaft, the snap-fit ​​portion on one base will snap-fit ​​with the snap-fit ​​groove on the adjacent base.

[0014] By adopting the above technical solution, users can easily determine the installation positions of multiple cylinders on the shaft when using multiple cylinders in combination.

[0015] Optionally, it also includes a locking component, which is detachably connected to the shaft body via multiple screws; after the locking component is connected to the shaft body, the locking component is located at one end of the shaft body in the axial direction of the middle part, and the locking component has a mating part; after the locking component is connected to the shaft body, a mating groove that is adapted to the snap-fit ​​part is formed between the mating part and the shaft body.

[0016] The shaft has a limiting ring on its middle portion that is adapted to the snap-fit ​​groove, and the limiting ring is located at the end of the middle portion of the shaft that is away from the connection position of the locking member.

[0017] After multiple bases are fitted with the same shaft, the limiting ring engages with the snap-fit ​​groove on the adjacent base, and the snap-fit ​​portion on the base adjacent to the locking member engages with the mating groove.

[0018] By adopting the above technical solution, after multiple cylinders are used in combination and installed on the same shaft, the limiting ring and locking component can effectively improve the positional stability of multiple cylinders relative to the shaft, reduce the probability of cylinder displacement along the shaft axis during the use of the engraving tool, and thus effectively ensure the engraving effect of the engraving tool.

[0019] Optionally, the base has multiple positioning teeth on both the snap-fit ​​portion and the groove wall of the snap-fit ​​groove. The multiple positioning teeth are arranged in a circular array with the axis of the base as the axis, and the space between adjacent positioning teeth is adapted to the positioning teeth.

[0020] The outer side of the limiting ring also has a plurality of positioning teeth, and the plurality of positioning teeth are arranged in a circular array with the axis of the limiting ring as the axis; the locking member also has a plurality of positioning teeth on the inner side of the mating part, and the plurality of positioning teeth are arranged in a circular array with the axis of the locking member as the axis.

[0021] After multiple bases are fitted with the same shaft, the multiple positioning teeth between adjacent bases, between the limiting ring and adjacent bases, and between the locking member and adjacent bases are all engaged with each other.

[0022] By adopting the above technical solution, users can easily adjust the position of multiple sleeves when they are installed on the shaft according to their needs, so that the shape formed by the combination of the cutting edges on the multiple sleeves meets the requirements, thereby enabling the engraving tool to further meet the needs of processing more product shapes.

[0023] Optionally, after multiple bases are fitted with the same shaft, a heat dissipation space will be formed around the positioning teeth, and the heat dissipation space can communicate with the outside through the gap between adjacent bases.

[0024] By adopting the above technical solution, the heat generated by the cylinder during the carving process can be effectively dissipated through the heat dissipation space, thereby effectively reducing the probability of the cylinder being damaged due to thermal fatigue, effectively extending the service life of the carving tool, and thus effectively ensuring the quality of the carving tool.

[0025] Optionally, the base has several clearance grooves near the snap-fit ​​portion. After multiple bases are fitted with the same shaft, the heat dissipation space can communicate with the outside through the clearance grooves.

[0026] By adopting the above technical solution, it is possible to further facilitate the dissipation of heat generated by the engraving tool during the engraving process of the cylinder, thereby further reducing the probability of the cylinder being damaged due to thermal fatigue.

[0027] Optionally, after multiple bases are fitted with the same shaft, the extension direction of the positioning teeth is parallel to the axial direction of the shaft.

[0028] By adopting the above technical solution, the probability of damage to the positioning teeth during the installation of the cylinder can be effectively reduced, thereby further extending the service life of the cylinder and further improving the quality of the engraving tool.

[0029] Optionally, the tips of the positioning teeth and both ends in the length direction are chamfered.

[0030] By adopting the above technical solutions, the probability of damage to the tooth tip after the positioning tooth is bumped can be reduced, and the probability of the positioning tooth scratching the shaft or injuring the user due to the sharp tooth tip can also be reduced.

[0031] On the other hand, this application also provides a method for processing engraving tools, which adopts the following technical solution:

[0032] A method for processing a carving tool, comprising the following steps:

[0033] Machining the shaft;

[0034] A plurality of the bases are machined according to the shaft body, so that the bases can be sleeved and fitted with the shaft body;

[0035] A coating of the desired shape is formed by spraying a metallic material onto the outer surface of the substrate;

[0036] The coating is polished to improve dimensional accuracy;

[0037] The coating is precision sculpted using CNC machining to form the blade edge of the desired shape.

[0038] In summary, this application includes at least one of the following beneficial effects:

[0039] 1. It can make the carving process more convenient and faster while ensuring the quality of carving tools and carving effects;

[0040] 2. It allows users to easily combine the cylinder body according to different needs, change the shape of the cutting edge on the engraving tool, and enable the engraving tool to meet the needs of processing more product shapes;

[0041] 3. It makes the installation process of the cylinder on the shaft more convenient and faster, and at the same time allows the user to adjust the position of the cylinder relative to the shaft according to the required blade shape;

[0042] 4. It can effectively extend the service life of the cylinder, thereby effectively improving the quality of the engraving tools. Attached Figure Description

[0043] Figure 1 This is a schematic diagram of the structure of a carving tool in Embodiment 1;

[0044] Figure 2 This is an exploded view of a carving tool from Example 1;

[0045] Figure 3This is a cross-sectional view of a carving tool according to Embodiment 1;

[0046] Figure 4 yes Figure 3 Enlarged view of point A in the middle;

[0047] Figure 5 yes Figure 3 Enlarged view of point B in the middle.

[0048] Explanation of reference numerals in the attached drawings: 1. Shaft; 11. Rotating shaft; 12. Limiting ring; 2. Cylinder; 21. Base; 211. Snap-fit ​​part; 212. Snap-fit ​​groove; 213. Relief groove; 22. Coating; 3. Locking element; 31. Mating part; 32. Mating groove; 4. Positioning tooth; 5. Screw; 6. Heat dissipation space. Detailed Implementation

[0049] The following is in conjunction with the appendix Figure 1-5 This application will be described in further detail.

[0050] Example 1:

[0051] This application discloses an engraving tool for use on a rotary die-cutting machine, which can engrave the required shape on the processed product and form the required pattern on the surface of the processed product.

[0052] Reference Figure 1 and Figure 2 The engraving tool includes a shaft 1, multiple cylinders 2, and a locking element 3. The shaft 1 serves as the structure for mounting the engraving tool on the rotary die-cutting machine and also as the mounting carrier for the multiple cylinders 2. The cylinders 2 are used to cut the product being processed, enabling the engraving tool to achieve the engraving effect on the product. The locking element 3 facilitates the installation of the multiple cylinders 2 on the shaft 1, improves the positional stability of the cylinders 2 after installation on the shaft 1, and ensures that the engraving tool can reliably engrave the product. In this embodiment, the engraving tool preferably includes three cylinders 2; in other embodiments, the engraving tool may include a greater number of cylinders 2.

[0053] Reference Figure 2 and Figure 3 The shaft 1 has a cylindrical structure and is made of metal. At both ends of the shaft 1, there are rotating shafts 11 extending outward along their own axis, which connect the engraving tool to the main structure of the rotary die-cutting machine and facilitate the rotary die-cutting machine to drive the engraving tool to rotate around its own axis to engrave the product.

[0054] The axes of the two rotating shafts 11 coincide and their radial dimensions are equal; the radial dimension of the middle part of the shaft body 1 is greater than the radial dimension of the rotating shaft 11, and it is used to install multiple cylinders 2.

[0055] The middle part of the shaft 1 has a limiting ring 12 on the outer side of one end along its axial direction, which can effectively limit the installation position of the cylinder 2 on the middle part of the shaft 1, thereby effectively improving the stability of the cylinder 2 on the shaft 1 and making it convenient for users to install multiple cylinders 2 on the shaft 1.

[0056] Reference Figure 1 and Figure 3 The limiting ring 12 has an overall circular structure, and its axis coincides with the axis of the shaft 1. The outer side of the limiting ring 12 has multiple positioning teeth 4, the tips of which extend outwards along the radial direction of the limiting ring 12, and the positioning teeth 4 extend along the axial direction of the limiting ring 12. The multiple positioning teeth 4 are arranged in a circular array around the axis of the limiting ring 12, with adjacent positioning teeth 4 interlocking, and a space formed between adjacent positioning teeth 4 that is compatible with another positioning tooth 4. In this embodiment, preferably, the length dimension of the positioning teeth 4 on the limiting ring 12 is equal to the dimension along the axial direction of the limiting ring 12.

[0057] Furthermore, to reduce the sharpness of the tooth tip of the positioning tooth 4, it is preferable that the tooth tip and both ends along its length are chamfered, which can effectively reduce the probability of the positioning tooth 4 causing injury to the user or collision damage to other structures. In this embodiment, it is preferable that the tooth tip of the positioning tooth 4 is rounded, and both ends along its length are chamfered.

[0058] Reference Figure 2 and Figure 4 The cylinder 2 includes a base 21 and a coating 22, with the coating 22 distributed on the outer surface of the base 21. The base 21 is used for mounting the cylinder 2 onto the shaft 1 and also serves as a carrier for the formation of the coating 22. The coating 22 is formed by spraying a metal material onto the outer surface of the base 21, and after final processing, it can form a blade of the desired shape.

[0059] The substrate 21 has an overall annular cylindrical structure and is also made of metal. The coating 22 is formed by spraying a high-strength metal material onto the outer surface of the substrate 21, and has different shapes according to different engraving requirements. In this embodiment, it is preferable that the material of the substrate 21 is the same as that of the shaft 1, and it is preferable that the strength of the coating 22 material is higher than that of the substrate 21 material to ensure the strength and sharpness of the blade.

[0060] Reference Figure 3 and Figure 4The inner diameter of the base 21 is equal to the radial dimension of the middle part of the shaft 1, so that the base 21 can be fitted and matched with the middle part of the shaft 1. At this time, the inner surface of the base 21 is in contact with the outer surface of the middle part of the shaft 1. After multiple bases 21 are fitted and matched on the middle part of the same shaft 1, adjacent bases 21 will contact and abut each other, and multiple coatings 22 will combine to form the blade of the required shape.

[0061] Reference Figure 2 and Figure 4 The base 21 has a locking part 211 and a locking groove 212 at both ends along its axial direction, and the locking part 211 and the locking groove 212 are adapted to each other. When the base 21 and the middle part of the shaft 1 are fitted together to realize the installation of the cylinder 2 on the shaft 1, the cylinder 2 will be installed on the shaft 1 with the locking groove 212 on the base 21 close to the limiting ring 12. When multiple cylinders 2 are installed on the shaft 1, the limiting ring 12 will engage with the locking groove 212 on its adjacent base 21, and at this time the limiting ring 12 will restrict its adjacent base 21 from moving further toward itself. At the same time, the locking part 211 on the adjacent base 21 will engage with the corresponding locking groove 212.

[0062] The base 21 has multiple positioning teeth 4 with the same structure as the positioning teeth 4 on the limiting ring 12 at both the snap-fit ​​portion 211 and the snap-fit ​​groove 212. The multiple positioning teeth 4 at the snap-fit ​​portion 211 are all located on the outside of the snap-fit ​​portion 211, and the multiple positioning teeth 4 at the snap-fit ​​groove 212 are all located in the snap-fit ​​groove 212 and on the peripheral groove wall of the snap-fit ​​groove 212. The multiple positioning teeth 4 at the snap-fit ​​portion 211 and the multiple positioning teeth 4 at the snap-fit ​​groove 212 are all arranged in a circular array with the axis of the base 21 as the axis.

[0063] When multiple cylinders 2 are installed on the shaft 1, multiple positioning teeth 4 on the limiting ring 12 will engage with multiple positioning teeth 4 inside the snap-fit ​​groove 212 on the adjacent base 21. At this time, the base 21 adjacent to the limiting ring 12 is restricted from rotating about the axis of the shaft 1. At the same time, multiple positioning teeth 4 on the snap-fit ​​part 211 on the adjacent base 21 will also engage with multiple positioning teeth 4 inside the corresponding snap-fit ​​groove 212. At this time, the base 21 is restricted from rotating about the axis of the shaft 1 relative to the adjacent base 21.

[0064] By achieving the meshing of multiple positioning teeth 4 between adjacent substrates 21 with different positional relationships, the shape of the blade formed by multiple coatings 22 can be changed, thereby allowing users to easily adjust the shape of the engraving tool blade according to their needs.

[0065] Reference Figure 2 and Figure 5The locking element 3 has an overall ring-shaped structure. The locking element 3 is detachably connected to the shaft 1, and the locking element 3 is installed at the end of the middle part of the shaft 1 away from the limiting ring 12. In this embodiment, the locking element 3 is preferably detachably connected to the middle part of the shaft 1 through multiple screws 5. After the locking element 3 is sleeved on the rotating shaft 11 at the end of the shaft 1 away from the limiting ring 12, it abuts against the end of the middle part of the shaft 1 away from the limiting ring 12. Then, the locking element 3 is connected and fixed to the shaft 1 by multiple screws 5 threadedly engaging with the middle part of the shaft 1. At this time, the axis of the locking element 3 coincides with the axis of the shaft 1.

[0066] The outer edge of the locking member 3 extends outward along its own axis and has a mating part 31 that is adapted to the snap-fit ​​groove 212. The inner side of the mating part 31 also has multiple positioning teeth 4 with the same structure as the positioning teeth 4 on the base 21, and the multiple positioning teeth 4 are arranged in a circular array with the axis of the locking member 3 as the axis.

[0067] When the locking member 3 is fixedly connected to the shaft 1, the mating part 31 will surround the middle part of the shaft 1 away from the end of the limiting ring 12, and at the same time, a mating groove 32 is formed between it and the shaft 1 for the locking part 211 to engage. When the locking part 211 of the base 21 adjacent to the locking member 3 engages with the mating groove 32, the multiple positioning teeth 4 on the locking part 211 of the base 21 adjacent to the locking member 3 will mesh with the multiple positioning teeth 4 on the mating part 31. At this time, the rotation of the base 21 adjacent to the locking member 3 relative to the shaft 1 about the axis of the shaft 1 is further restricted.

[0068] When the limiting ring 12 engages with the multiple positioning teeth 4 between adjacent bases 21, between adjacent bases 21, and between the locking member 3 and adjacent bases 21, a heat dissipation space 6 is formed between the positioning teeth 4 and the adjacent body. During the engraving process of the engraving tool, the heat generated by the cylinder 2 can be diffused outward through the heat dissipation space 6.

[0069] Reference Figure 1 and Figure 4 Furthermore, preferably, the base 21 has a plurality of clearance grooves 213 at the end away from its own snap-fit ​​groove 212. The plurality of clearance grooves 213 correspond one-to-one with the spaces between each pair of the plurality of positioning teeth 4 located on the snap-fit ​​part 211 on the same base 21, and the plurality of clearance grooves 213 are respectively connected to the spaces between the corresponding two positioning teeth 4 of the necklace.

[0070] When multiple positioning teeth 4 between adjacent bases 21 mesh, the heat dissipation space 6 can communicate with the outside through the corresponding several clearance grooves 213, and the heat generated by the cylinder 2 can be effectively diffused outward.

[0071] The implementation principle of a carving tool in this application embodiment is as follows:

[0072] After selecting a cylinder 2 with a corresponding blade shape according to the pattern to be engraved on the product, install the cylinder 2 sequentially on the middle part of the shaft 1 in a certain order; after the base 21 of the first cylinder 2 contacts and abuts against the limiting ring 12, and the multiple positioning teeth 4 between them mesh with each other; then install the next cylinder 2, and adjust the position of the cylinder 2 relative to the previous installed cylinder 2, and make the multiple positioning teeth 4 between adjacent cylinder 2 mesh with each other; after repeating the above steps, install a locking member 3 at the end of the middle part of the shaft 1 away from the limiting ring 12, so that the locking member 3 abuts against the middle part of the shaft 1, and the snap-fit ​​part 211 on the base 21 adjacent to the locking member 3 snaps into the mating groove 32, and after the multiple positioning teeth 4 between the locking member 3 and the adjacent base 21 mesh with each other, connect and fix the locking member 3 to the shaft 1 through multiple screws 5. At this time, the engraving tool can be installed on the rotary die-cutting machine for use.

[0073] Example 2:

[0074] Reference Figure 1 and Figure 2 This application discloses a method for processing an engraving tool, used to process an engraving tool as described in Example 1, comprising the following steps:

[0075] S1, Machining shaft 1.

[0076] The shaft 1 is machined from a metal material with low strength, and two rotating shafts 11, a limiting ring 12, and multiple positioning teeth 4 on the limiting ring 12 are machined on the shaft 1. In this embodiment, the metal material used for machining the shaft 1 is preferably 45 steel.

[0077] S2. Machining several bases 21 according to the shaft 1, so that the bases 21 can fit and cooperate with the shaft 1.

[0078] Based on the dimensions of the middle portion of the shaft 1, several bases 21 capable of fitting and engaging with the shaft 1 are machined from a low-strength metal material. Matching locking grooves 212 and locking portions 211 are then machined at both ends of the bases 21 along their axial direction. Furthermore, multiple positioning teeth 4 are machined at both the locking grooves 212 and the locking portions 211. In this embodiment, it is preferable that the metal material used to machine the bases 21 is the same as the metal material used to machine the shaft 1.

[0079] S3. Spray a metallic material onto the outer surface of the substrate 21 to form a coating 22 of the desired shape.

[0080] The outer surface of the substrate 21 is processed by spraying high-strength metal powder onto the outer surface of the substrate 21 using a spraying device (such as a plasma spraying device), thus initially obtaining a coating 22 on the outer surface of the substrate 21 that is similar to the desired blade shape. In this embodiment, high-speed steel is preferably used as the metal material for processing the coating 22.

[0081] S4. Polish the coating 22 to improve dimensional accuracy.

[0082] The coating 22 is further processed to make its shape and size closer to the shape and size of the required blade, thereby improving the accuracy of the shape and size of the coating 22.

[0083] S5. Perform CNC precision carving on coating 22 to form the desired blade shape.

[0084] The coating 22 is precision sculpted using CNC machining to obtain a blade of the desired shape and size;

[0085] After the coating 22 is completed, several cylindrical bodies 2 are installed and fixed on the shaft 1, and the engraving tool can be put into use.

[0086] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A carving tool, characterized in that, Includes shaft (1) and cylinder (2); The shaft (1) has a rotating shaft (11) at both ends in the axial direction, and the radial dimension of the rotating shaft (11) is smaller than the radial dimension of the middle part of the shaft (1). The cylindrical body (2) includes a base (21) and a coating (22); the base (21) has a cylindrical structure, the base (21) is fitted with the middle part of the shaft (1), and the base (21) and the shaft (1) are detachably connected; the coating (22) is located on the outer surface of the base (21), and the coating (22) can ultimately form a blade; It includes multiple cylindrical bodies (2), multiple bases (21) are fitted and fitted with the same shaft (1), and adjacent bases (21) are connected to each other; The base (21) has a snap-fit ​​part (211) and a snap-fit ​​groove (212) at both ends in the axial direction, and the snap-fit ​​part (211) and the snap-fit ​​groove (212) are adapted to each other; after multiple bases (21) are fitted and matched with the same shaft (1), the snap-fit ​​part (211) on one base (21) will snap and match with the snap-fit ​​groove (212) on the adjacent base (21); It also includes a locking member (3), which is detachably connected to the shaft (1) by a plurality of screws (5); after the locking member (3) is connected to the shaft (1), the locking member (3) is located at one end of the axial direction of the middle part of the shaft (1), and the locking member (3) has a mating part (31). After the locking member (3) is connected to the shaft (1), a mating groove (32) that is adapted to the snap-fit ​​part (211) is formed between the mating part (31) and the shaft (1). The shaft (1) has a limiting ring (12) on its middle portion that is adapted to the snap-fit ​​groove (212), and the limiting ring (12) is located at one end of the middle portion of the shaft (1) away from the connection position of the locking member (3); After multiple bases (21) are fitted with the same shaft (1), the limiting ring (12) engages with the snap-fit ​​groove (212) on the adjacent base (21), and the snap-fit ​​part (211) on the base (21) adjacent to the locking member (3) engages with the mating groove (32). The base (21) has multiple positioning teeth (4) on the wall of the snap-fit ​​part (211) and the snap-fit ​​groove (212). The multiple positioning teeth (4) are arranged in a circular array with the axis of the base (21) as the axis, and the space between adjacent positioning teeth (4) is adapted to the positioning teeth (4). The outer side of the limiting ring (12) also has a plurality of positioning teeth (4), and the plurality of positioning teeth (4) are arranged in a circular array with the axis of the limiting ring (12) as the axis; the locking member (3) also has a plurality of positioning teeth (4) on the inner side of the mating part (31), and the plurality of positioning teeth (4) are arranged in a circular array with the axis of the locking member (3) as the axis; After multiple bases (21) are fitted with the same shaft (1), multiple positioning teeth (4) between adjacent bases (21), between the limiting ring (12) and adjacent bases (21), and between the locking member (3) and adjacent bases (21) are engaged with each other; After multiple bases (21) are fitted and engaged with the same shaft (1), a heat dissipation space (6) will be formed around the positioning tooth (4), and the heat dissipation space (6) can communicate with the outside through the gap between adjacent bases (21); The base (21) has several clearance grooves (213) near the snap-fit ​​part (211). After multiple bases (21) are fitted with the same shaft (1), the heat dissipation space (6) can communicate with the outside through the clearance grooves (213).

2. The engraving tool according to claim 1, characterized in that, After multiple bases (21) are fitted with the same shaft (1), the extension direction of the positioning teeth (4) is parallel to the axial direction of the shaft (1).

3. The carving tool according to claim 1, characterized in that, The tooth ends and both ends in the length direction of the positioning tooth (4) are chamfered.

4. A method for processing a carving tool, used to process a carving tool as described in any one of claims 1-3, characterized in that, Includes the following steps: Machining the shaft (1); Multiple bases (21) are machined according to the shaft (1) so that the bases (21) can be fitted and matched with the shaft (1); A coating (22) of the desired shape is formed by spraying a metallic material onto the outer surface of the substrate (21). The coating (22) is polished to improve dimensional accuracy; The coating (22) is CNC precision sculpted to form the blade edge of the desired shape.

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