Wear-resistant PCBN cutter convenient to overhaul
By designing a multi-component mating structure for PCBN cutting tools, the problem of inconvenient maintenance and installation of wear-resistant PCBN cutting tools has been solved, enabling a convenient maintenance and installation process.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 恒迈新材料科技(南通)有限公司
- Filing Date
- 2025-04-16
- Publication Date
- 2026-04-24
AI Technical Summary
Existing wear-resistant PCBN tools are inconvenient to inspect and install, increasing the cost and time for users.
A PCBN tool is designed, comprising a main PCBN tool connecting component, a socket plate, a support column, a protective plate, a limit plate, an operating push rod, a mounting flange, a reinforcing plate, a threaded rod, a nut, a fixing block, a snap-fit opening, a mounting sleeve plate, and a plug-in opening. Through the cooperation of these components, convenient maintenance and installation can be achieved.
It enables convenient maintenance and installation of wear-resistant PCBN tools, reducing the difficulty and cost for users.
Smart Images

Figure CN224158065U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of PCBN cutting tool technology, specifically relating to a wear-resistant PCBN cutting tool that is easy to maintain. Background Technology
[0002] PCBN, a type of cutting tool material, is a synthetic material second only to diamond in hardness. PCBN, or polycrystalline cubic boron nitride, is a novel cutting tool material synthesized artificially with a hardness second only to natural diamond, making it the most suitable cutting tool material for high-speed cutting of ferrous metals. There are two main methods for manufacturing PCBN inserts: one is the one-step polymerization method, which directly polymerizes hexagonal boron nitride into a high-density sintered body; the other is the two-step polymerization method, which first synthesizes high-density cubic boron nitride, and then uses it as raw material to sinter into polycrystalline cubic boron nitride under high temperature and pressure. The quality of PCBN inserts is affected by many factors, among which changes in various process parameters during sintering have the greatest impact on the quality of PCBN inserts. The compositional materials such as binders or catalysts, matrix materials, as well as the surface cleanliness and particle size of the particles, all determine the performance of PCBN inserts.
[0003] The existing technology has the following problems:
[0004] Currently available wear-resistant PCBN cutting tools on the market are not convenient for users to perform easy maintenance, which increases the user's operating costs.
[0005] 2. Currently available wear-resistant PCBN cutting tools are not convenient for users to install, which affects the user's use of the tools. Utility Model Content
[0006] The purpose of this invention is to provide a wear-resistant PCBN tool that is easy to maintain in existing devices, so as to solve the problems mentioned in the background art.
[0007] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a wear-resistant PCBN tool that is easy to maintain, including a PCBN tool connecting main component, wherein a sleeve plate is fitted onto the outer ring surface of the PCBN tool connecting main component, and a support column is fixedly connected to the side surface of the sleeve plate.
[0008] The side surface of the support column is fixedly connected to a mounting flange, the outer ring surface of the PCBN tool connecting main component is limited by a reinforcing plate, and the outer ring surface of the PCBN tool connecting main component is limited by a mounting sleeve.
[0009] A PCBN cutter head is fixedly connected to the side surface of the mounting sleeve, a fixing block is fixedly connected to the side surface of the mounting sleeve, a nut is installed on the side surface of the fixing block, a threaded rod is inserted into the inner ring surface of the nut, and a protective plate is sleeved on the outer ring surface of the PCBN cutter head.
[0010] This utility model further illustrates that the side surface of the PCBN tool connecting main component is fitted with a limiting plate, and the limiting plate and the protective plate are structurally compatible.
[0011] The above technical solution, which uses a limiting plate that fits the protective plate structurally, allows users to easily limit the use of the protective plate.
[0012] The present invention further illustrates that an operating push rod is fixedly connected to the side surface of the limiting plate, and the operating push rod is connected to the protective plate.
[0013] By adopting the above technical solution, the operating push rod that connects to the protective plate in this solution can facilitate the user's operation of the protective plate.
[0014] The present invention further illustrates that the inner ring surface of the socket plate is provided with a snap-fit opening, and the snap-fit opening and the PCBN tool connecting main component are structurally compatible.
[0015] The above technical solution features a snap-fit opening that fits the main component connecting the PCBN tool, which facilitates the user's use of the main component for limiting its position.
[0016] The present invention further explains that the nut is connected between a fixing block and a mounting plate, and the fixing block is symmetrically arranged with the vertical center line of the nut as the axis of symmetry.
[0017] The above technical solution, which uses fixing blocks symmetrically arranged around the vertical center line of the nut as the axis of symmetry, facilitates stable installation of the nut by the user.
[0018] This utility model further illustrates that the threaded rod nut and the fixing block are connected, and the threaded rod passes through and connects the mounting sleeve plate and the PCBN tool connecting main component.
[0019] The above technical solution, which uses a threaded rod to connect the mounting plate and the PCBN tool connecting main component, facilitates the user's use and installation of the mounting plate.
[0020] The present invention further explains that the side surface of the mounting flange is provided with mounting openings, and the number of mounting openings is multiple.
[0021] The above technical solution features multiple installation openings, which facilitates the user's installation of the mounting flange using bolts.
[0022] The present invention further illustrates that the inner ring surface of the mounting sleeve is provided with an insertion opening, and the insertion opening and the PCBN tool connecting main component are structurally compatible.
[0023] The above technical solution provides a fitting insertion opening between the main PCBN tool connecting component and the PCBN tool connecting component, facilitating user-defined insertion and positioning of the main PCBN tool connecting component.
[0024] Compared with the prior art, the beneficial effects achieved by this utility model are:
[0025] This utility model provides a wear-resistant PCBN cutting tool that is easy to maintain. Through the coordinated use of a PCBN cutting tool connecting main component, PCBN cutting head, protective plate, limiting plate, support column, operating push rod, mounting opening, mounting flange, reinforcing plate, threaded rod, nut, fixing block, snap-fit opening, sleeve plate, mounting sleeve plate, and plug-in opening, it facilitates convenient tool maintenance for the user. When the user needs to maintain the tool, they need to move the operating push rod to unfold the limiting plate, then pull the protective plate off the mounting sleeve plate, push the protective plate upwards, and then tighten the threaded rod, removing it from the nut to remove the PCBN cutting head. This facilitates tool maintenance and meets the user's need for convenient tool removal and maintenance.
[0026] This utility model provides a wear-resistant PCBN cutting tool that is easy to maintain. The installation opening allows users to easily insert self-tapping screws into the opening and then install the mounting flange. The support column facilitates convenient installation of the PCBN cutting tool, thus meeting the user's need for easy installation. Attached Figure Description
[0027] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:
[0028] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0029] Figure 2 This is a perspective view of the structure of this utility model;
[0030] Figure 3 This is a cross-sectional view of the structure of this utility model;
[0031] Figure 4 This is the utility model Figure 3 Enlarged view of the structure at point A in the middle;
[0032] Figure 5 This is a side view of the structure of this utility model.
[0033] In the diagram: 1. Main component for PCBN tool connection; 2. PCBN tool head; 3. Protective plate; 4. Limiting plate; 5. Support column; 6. Operating push rod; 7. Mounting opening; 8. Mounting flange; 9. Reinforcing plate; 10. Threaded rod; 11. Nut; 12. Fixing block; 13. Snap-fit opening; 14. Socket plate; 15. Mounting sleeve plate; 16. Insertion opening. Detailed Implementation
[0034] The following detailed, non-limiting description of the present invention, in conjunction with preferred embodiments and accompanying drawings, is provided. Obviously, the described embodiments are merely some, not all, of the embodiments of the present invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.
[0035] Please see Figure 1-5 The present invention provides a technical solution: a wear-resistant PCBN tool that is easy to maintain, including a PCBN tool connecting main component 1, a sleeve plate 14 that is limited and sleeved on the outer ring surface of the PCBN tool connecting main component 1, a support column 5 that is fixedly connected to the side surface of the sleeve plate 14, and a mounting flange 8 that is fixedly connected to the side surface of the support column 5.
[0036] In this embodiment, a limiting plate 4 is fitted onto the side surface of the PCBN tool connecting main component 1, and the limiting plate 4 and the protective plate 3 are structurally compatible. The limiting plate 4, which is structurally compatible with the protective plate 3, facilitates the user's use of the protective plate 3. An operating push rod 6 is fixedly connected to the side surface of the limiting plate 4, and the operating push rod 6 is connected to the protective plate 3. The operating push rod 6, which is connected to the protective plate 3, facilitates the user's use of the protective plate 3.
[0037] like Figure 1-5 As shown, based on Embodiment 1, this utility model provides a technical solution: preferably, a reinforcing plate 9 is fitted onto the outer ring surface of the PCBN tool connecting main component 1, and a mounting sleeve 15 is fitted onto the outer ring surface of the PCBN tool connecting main component 1, with a PCBN tool head 2 fixedly connected to the side surface of the mounting sleeve 15.
[0038] In this embodiment, the inner ring surface of the socket plate 14 is provided with a snap-fit opening 13, and the snap-fit opening 13 and the PCBN tool connecting main component 1 are structurally compatible. The snap-fit opening 13, which is structurally compatible with the PCBN tool connecting main component 1, can facilitate the user to limit the use of the PCBN tool connecting main component 1.
[0039] like Figure 1-5 As shown, based on Embodiment 1, this utility model provides a technical solution: preferably, a fixing block 12 is fixedly connected to the side surface of the mounting plate 15, a nut 11 is installed on the side surface of the fixing block 12, a threaded rod 10 is inserted into the inner ring surface of the nut 11, and a protective plate 3 is sleeved on the outer ring surface of the PCBN cutter head 2.
[0040] In this embodiment, the nut 11 is connected to the mounting block 12 and the mounting sleeve 15. The mounting block 12 is symmetrically arranged about the vertical center line of the nut 11. This symmetrical arrangement of the mounting block 12 facilitates stable installation of the nut 11 by the user. The threaded rod 10 connects the nut 11 and the mounting block 12, and the threaded rod 10 passes through and connects the mounting sleeve 15 and the PCBN tool connecting main component 1. The mounting sleeve 15 is designed to facilitate user installation. The mounting flange 8 has multiple mounting openings 7 on its side surface, which allow users to easily install the mounting flange 8 with bolts. The inner ring surface of the mounting sleeve 15 has a plug-in opening 16, which fits structurally with the PCBN tool connecting main component 1. This fit allows users to easily use and limit the plug-in connection of the PCBN tool connecting main component 1.
[0041] like Figure 1-5As shown, when the user needs to inspect the tool, the user needs to move the operating push rod 6. The user can then unfold the limiting plate 4 by operating the push rod 6, and the user can remove the protective plate 3 from the mounting sleeve 15. The user can then push the protective plate 3 upward, and then the user can turn the threaded rod 10 and remove it from the nut 11. The user can then remove the PCBN tool head 2, which is convenient for the user to inspect the tool. Through the mounting opening 7, the user can easily insert the self-tapping screw into the mounting opening 7, and then install the mounting flange 8. The support column 5 makes it convenient for the user to install and use the PCBN tool.
[0042] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model, 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, and therefore should not be construed as a limitation of this utility model.
[0043] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.
Claims
1. A wear-resistant PCBN cutting tool that is easy to maintain, comprising a PCBN cutting tool connecting main component (1), characterized in that: The outer ring surface of the PCBN tool connecting main component (1) is fitted with a sleeve plate (14), and the side surface of the sleeve plate (14) is fixedly connected with a support column (5). The side surface of the support column (5) is fixedly connected to the mounting flange (8), and the outer ring surface of the PCBN tool connecting main component (1) is limited by the reinforcing plate (9). The outer ring surface of the PCBN tool connecting main component (1) is fitted with a mounting plate (15). The side surface of the mounting plate (15) is fixedly connected to a PCBN tool head (2). The side surface of the mounting plate (15) is fixedly connected to a fixing block (12). The side surface of the fixing block (12) is fitted with a nut (11). The inner ring surface of the nut (11) is fitted with a threaded rod (10). The outer ring surface of the PCBN tool head (2) is fitted with a protective plate (3).
2. The wear-resistant PCBN cutting tool that is easy to maintain according to claim 1, characterized in that: The side surface of the PCBN tool connecting main component (1) is fitted with a limiting plate (4), and the limiting plate (4) and the protective plate (3) are structurally compatible.
3. The wear-resistant PCBN cutting tool that is easy to maintain according to claim 2, characterized in that: An operating push rod (6) is fixedly connected to the side surface of the limiting plate (4), and the operating push rod (6) is connected to the protective plate (3).
4. The wear-resistant PCBN cutting tool that is easy to maintain according to claim 1, characterized in that: The inner ring surface of the socket plate (14) is provided with a snap-fit opening (13), and the snap-fit opening (13) and the PCBN tool connecting main component (1) are structurally compatible.
5. The wear-resistant PCBN cutting tool that is easy to maintain according to claim 1, characterized in that: The nut (11) is connected to the mounting plate (15) via the fixing block (12), and the fixing block (12) is symmetrically arranged with the vertical center line of the nut (11) as the axis of symmetry.
6. The wear-resistant PCBN cutting tool that is easy to maintain according to claim 1, characterized in that: The threaded rod (10) is connected to the nut (11) and the fixing block (12), and the threaded rod (10) passes through and connects the mounting sleeve (15) and the PCBN tool connecting main component (1).
7. The wear-resistant PCBN cutting tool that is easy to maintain according to claim 1, characterized in that: The mounting flange (8) has mounting openings (7) on its side surface, and there are multiple mounting openings (7).
8. The wear-resistant PCBN cutting tool that is easy to maintain according to claim 1, characterized in that: The inner ring surface of the mounting sleeve (15) is provided with a plug-in opening (16), and the plug-in opening (16) and the PCBN tool connecting main component (1) are structurally compatible.