PCBN composite sheet edge strengthening treatment device
By combining a rotary table with laser processing and coating deposition modules, the stress concentration problem at the edge of PCBN composite sheets is solved, improving hardness and wear resistance, achieving efficient and low-cost edge strengthening processing, and enhancing automation.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HENAN LEADTEC MATERIALS CO LTD
- Filing Date
- 2025-07-22
- Publication Date
- 2026-06-02
AI Technical Summary
The edges of existing PCBN composite sheets are prone to chipping and wear due to stress concentration during use. Furthermore, the processing methods are limited, lack automation, and require complex and costly equipment.
The system employs a rotary table combined with a laser processing module and a coating deposition module. Through laser microstructuring and nano-coating deposition, it improves edge hardness and bonding strength. Furthermore, a PLC control system enables continuous processing of multiple wafers, reducing the need for manual intervention.
It significantly improves the edge hardness and wear resistance of PCBN composite sheets, increases production efficiency, reduces costs, ensures processing consistency and stability, and simplifies operation procedures.
Smart Images
Figure CN224313587U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of superhard material processing technology, specifically to a PCBN composite sheet edge strengthening treatment device. Background Technology
[0002] PCBN composite sheets are ultra-hard materials formed by sintering polycrystalline cubic boron nitride layers and cemented carbide substrates under high temperature and pressure. They have high hardness, high wear resistance and good thermal stability, and are widely used in cutting tools, wear-resistant parts and other fields. However, the edge areas of PCBN composite sheets are prone to chipping and wear due to stress concentration during use, which affects their service life and processing performance. Utility Model Content
[0003] (a) Technical problems to be solved
[0004] To overcome the aforementioned shortcomings of the prior art, this utility model provides a PCBN composite sheet edge strengthening processing device, which solves the problems in the prior art:
[0005] The problems include a single processing method, insufficient automation, and complex and costly equipment.
[0006] (II) Technical Solution
[0007] To achieve the above objectives, this utility model provides the following technical solution: a PCBN composite sheet edge strengthening treatment device, comprising a frame, a rotary table, a laser processing module, a coating deposition module, and a control system; the rotary table is mounted on a steel plate in the middle of the frame and can rotate around a central axis, with multiple fixture stations evenly distributed on it; the laser processing module and the coating deposition module are located on opposite sides of the rotary table, corresponding to the fixture stations; the control system is electrically connected to the rotary table, the laser processing module, and the coating deposition module.
[0008] Optionally, the rotary table is driven by a servo motor, and the fixture station includes a manual fixture and a positioning pin, through which the PCBN composite sheet is fixed.
[0009] Optionally, the laser processing module includes a fiber laser, a galvanometer scanning system, and a cooling device. The fiber laser is the main part of the device, the galvanometer scanning system is located on the front side of the inside of the fiber laser, and the cooling device is connected to the fiber laser through a pipe.
[0010] Optionally, the coating deposition module employs magnetron sputtering technology and includes a sputtering target, a vacuum chamber, and a gas supply system. The sputtering target is suspended at the top of the vacuum chamber, and the gas supply system is located at the bottom of the vacuum chamber.
[0011] Optionally, the control system includes a PLC controller and a human-machine interface.
[0012] (III) Beneficial Effects
[0013] This utility model provides a PCBN composite sheet edge strengthening treatment device, which has the following beneficial effects:
[0014] This PCBN composite sheet edge strengthening treatment device, combining laser microstructuring and nano-coating deposition, significantly improves the hardness, wear resistance, and bonding strength of PCBN composite sheet edges, solving the problem of limited effectiveness of single technologies. The rotary table design enables continuous processing of multiple PCBN composite sheets, improving production efficiency and reducing costs. The PLC system precisely controls the parameters of each module, ensuring the consistency and stability of processing and reducing manual intervention. It integrates laser processing, coating deposition, and cooling systems into one compact structure and is easy to operate. Attached Figure Description
[0015] Figure 1 This is a schematic diagram of the structure of this utility model;
[0016] Figure 2 This is a schematic diagram of the exploded structure of the rotary worktable of this utility model;
[0017] Figure 3 This is a schematic diagram of the laser processing module structure of this utility model;
[0018] Figure 4 This is a schematic diagram of the coating deposition module structure of this utility model;
[0019] Figure 5 This is a schematic cross-sectional view of the vacuum chamber structure of this utility model;
[0020] Figure 6 This is a schematic diagram of the exploded structure of the control system of this utility model;
[0021] Figure 7 This utility model Figure 2 A magnified structural diagram of point A in the middle.
[0022] In the diagram: 1. Frame; 2. Rotary table; 3. Laser processing module; 4. Coating deposition module; 5. Control system; 6. Fixture station; 7. Manual fixture; 8. Positioning pin; 101. Steel plate; 201. Servo motor; 301. Fiber laser; 302. Galvanometer scanning system; 303. Cooling device; 401. Vacuum chamber; 402. Sputtering target; 403. Gas supply system; 501. PLC controller; 502. Human-machine interface. Detailed Implementation
[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.
[0024] Unless otherwise defined, the technical or scientific terms used in this disclosure shall have the ordinary meaning understood by those skilled in the art. The terms "first," "second," and similar terms used in this disclosure do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Terms such as "comprising" or "including" mean that the element or object preceding the word encompasses the elements or objects listed following the word and their equivalents, without excluding other elements or objects. Terms such as "connected" or "linked" are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. Terms such as "upper," "lower," "left," and "right" are used only to indicate relative positional relationships; when the absolute position of the described object changes, the relative positional relationship may also change accordingly.
[0025] Please see Figures 1 to 7 This utility model provides a technical solution: a PCBN composite sheet edge strengthening treatment device, including a frame 1, a rotary worktable 2, a laser processing module 3, a coating deposition module 4, and a control system 5; the rotary worktable 2 is driven by a servo motor 201 and can rotate around a central axis; six clamping stations 6 are evenly distributed on the worktable, each station is equipped with a manual clamp 7 and a positioning pin 8 for fixing the PCBN composite sheet; a steel plate 101 is provided in the middle of the frame 1 for mounting the rotary worktable 2.
[0026] The laser processing module 3 includes a fiber laser 301, a galvanometer scanning system 302, and a cooling device 303. The laser beam emitted by the laser is focused on the edge of the PCBN composite sheet after being scanned by the galvanometer. The cooling device 303 uses compressed air to cool the processing area in real time to prevent overheating and damage to the material. In use, the output end of the fiber laser 301 of the laser processing module 3 is connected to the entrance port of the galvanometer scanning system 302 through an optical fiber. The output optical path of the galvanometer scanning system 302 is at the same height as the center of the fixture station 6 of the rotary table 2, and the optical path axis is radially coincident with the rotary table 2, ensuring that the laser beam is focused on the edge area of the PCBN composite sheet.
[0027] The coating deposition module 4 employs magnetron sputtering technology and includes a sputtering target 402, a vacuum chamber 401, and a gas supply system 403. During processing, the vacuum chamber 401 is evacuated, and nitrogen and hydrogen are introduced. The coating deposition module 4 is the core functional module in this device for achieving nano-coating deposition on the edge of the PCBN composite sheet. It uses magnetron sputtering technology to prepare the coating and is installed on the right side of the frame 1. It is symmetrically distributed with the laser processing module 3 along the center of the rotating stage 2, ensuring that when the fixture station 6 of the rotating stage 2 rotates to the position below this module, the edge of the PCBN composite sheet can accurately align with the coating deposition area.
[0028] The input terminal of the PLC controller 501 is connected to the signal output terminal of the human-machine interface 502. The output terminals are respectively connected to the servo motor 201 driver, the laser power supply of the laser processing module 3, the driver board of the galvanometer scanning system 302, and the vacuum valve and gas flow controller of the coating deposition module 4. All electrical components are quickly connected through plugs, and the cables are arranged along the wire grooves inside the frame 1 to avoid exposure.
[0029] All electrical components mentioned in this article are connected to an external main controller and 220V AC mains power, and the main controller can be a conventional known device such as a computer that can control it.
[0030] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A PCBN composite sheet edge strengthening treatment device, characterized in that: The system includes a frame (1), a rotary table (2), a laser processing module (3), a coating deposition module (4), and a control system (5). The rotary table (2) is mounted on a steel plate (101) in the middle of the frame (1) and can rotate around a central axis. Multiple fixture stations (6) are evenly distributed on the rotary table. The laser processing module (3) and the coating deposition module (4) are located on both sides of the rotary table (2) and are correspondingly arranged with the fixture stations (6). The control system (5) is electrically connected to the rotary table (2), the laser processing module (3), and the coating deposition module (4).
2. The PCBN composite sheet edge strengthening treatment device according to claim 1, characterized in that: The rotary table (2) is driven by a servo motor (201), and the fixture station (6) includes a manual fixture (7) and a positioning pin (8), which are used to fix the PCBN composite sheet.
3. The PCBN composite sheet edge strengthening treatment device according to claim 1, characterized in that: The laser processing module (3) includes a fiber laser (301), a galvanometer scanning system (302), and a cooling device (303). The fiber laser (301) is the main part of the device. The galvanometer scanning system (302) is located on the front side of the inside of the fiber laser (301). The cooling device (303) is connected to the fiber laser (301) through a pipe.
4. The PCBN composite sheet edge strengthening treatment device according to claim 1, characterized in that: The coating deposition module (4) employs magnetron sputtering technology and includes a sputtering target (402), a vacuum chamber (401), and a gas supply system (403). The sputtering target (402) is suspended at the top of the vacuum chamber (401), and the gas supply system (403) is located at the bottom of the vacuum chamber (401).
5. The PCBN composite sheet edge strengthening treatment device according to claim 1, characterized in that: The control system (5) includes a PLC controller (501) and a human-machine interface (502).