Passivation device for cutting edge of PCBN (polycrystalline cubic boron nitride) cutter

By designing a PCBN tool edge passivation device including a rotating disc, mounting disc and brush disc, the problem of passivation caused by tool edge wear is solved, and efficient and automatic edge passivation is achieved, and the service life of the tool is extended.

CN222661007UActive Publication Date: 2025-03-25VANTRANS INTELLIGENT MFG CO LTD
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Patent Information

Application Number
CN202421385554.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-18
Publication Date
2025-03-25
Estimated Expiration
2034-06-18

AI Technical Summary

Technical Problem

The edge wear of PCBN tools during use leads to passivation, affecting cutting performance and service life. It is difficult for the prior art to achieve accurate and efficient edge passivation.

Method used

A PCBN tool edge passivation device is designed, including a rotating disc, a mounting disc and a brush disk. The rotating brush contacts the tool edge to automatically and efficiently realizes the edge passivation.

Benefits of technology

By rotating the brush and rotating the tool, the tool edge is brushed into a round and smooth arc shape, which achieves efficient passivation of the PCBN tool edge and extends the tool service life.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of machining tools, in particular to a PCBN (polycrystalline cubic boron nitride) cutter cutting edge passivation device which comprises a working rack, a rotating disc is mounted on one side of the top surface of the working rack, a supporting frame perpendicular to the top surface of the working rack is arranged on the other side of the top surface of the working rack, a connecting plate is slidably arranged on the supporting frame, and a mounting disc is arranged on the connecting plate. The connecting plate is connected with a jacking driver for adjusting the distance between the mounting disc and the rotating disc; the rotating disc comprises a planet carrier and a plurality of fixed discs, the plurality of fixed discs are rotatably arranged on the outer ring of the planet carrier in a surrounding manner, quick-change trays are detachably arranged on the fixed discs, PCBN cutters are mounted on the quick-change trays, and the planet carrier penetrates through the working rack and is connected with a second driver for driving the rotating disc to rotate. By rotating the brush and the cutter, the cutting edge of the cutter is brushed into a round and smooth arc shape by the brush, so that the cutting edge passivation effect of the PCBN cutter is automatically and efficiently realized.
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Description

Technical Field

[0001] The utility model relates to the technical field of mechanical processing tools, in particular to a PCBN tool edge passivation device. Background Art

[0002] PCBN tools are widely used in the field of hard cutting due to their excellent hardness and wear resistance. However, during the use of the tool, the cutting edge will become blunt due to wear, affecting its cutting performance and service life. Therefore, it is of great practical value to develop a device that can accurately and efficiently passivate the cutting edge of PCBN tools.

[0003] In view of this, we propose a PCBN tool edge passivation device to solve the existing problems. Utility Model Content

[0004] The utility model aims to provide a PCBN tool edge passivation device to solve the problems raised in the above background technology.

[0005] To achieve the above purpose, the utility model provides the following technical solution: a PCBN tool edge passivation device, comprising:

[0006] A workbench, a rotating disk is installed on one side of the top surface of the workbench, and a support frame perpendicular to the top surface of the workbench is provided on the other side, a connecting plate is slidably provided on the support frame, a mounting plate is provided on the connecting plate, and a jacking drive for adjusting the distance between the mounting plate and the rotating plate is connected to the connecting plate;

[0007] The rotating disk includes a planetary wheel carrier and a fixed disk, wherein a plurality of fixed disks are provided, and the plurality of fixed disks are rotatably arranged around the outer ring of the planetary wheel carrier, and a quick-change tray is detachably arranged on the fixed disk, and a PCBN tool is installed on the quick-change tray, and the planetary wheel carrier passes through the workbench and is connected to a second driver that drives the rotating disk to rotate;

[0008] The mounting disk is located directly above the rotating disk, a brush disk is arranged at the bottom of the mounting disk, and the mounting disk is connected to a first driver for driving the mounting disk to rotate through a connecting plate, and is used for rotating in contact with the cutting edge of the PCBN tool to passivate the cutting edge.

[0009] Preferably, a rotating shaft is provided at the bottom of the planetary wheel frame, which is connected to the second driver. A large gear ring is installed at the bottom of the planetary wheel frame, and a plurality of planetary wheels meshing with the large gear ring are provided on the outer ring of the bottom of the planetary wheel frame. The planetary wheels pass through the planetary wheel frame and are connected to the fixed disk.

[0010] Preferably, a plurality of positioning grooves are provided on the disk surface of the quick-change tray, and the positioning grooves are evenly distributed on the disk surface of the quick-change tray to accommodate the installation of PCBN tools.

[0011] Preferably, a water collecting trough is arranged around the outer ring of the rotating disk, and the water collecting trough has a drain port for collecting and discharging waste liquid generated during the passivation process.

[0012] Preferably, the support frame also includes a slide rail vertically arranged on the end face of the support frame close to the rotating disk, and the connecting plate is slidably connected to the support frame through the slide rail. The connecting plate is an L-shaped component, one end of the connecting plate is parallel to the support frame, and the other end is located directly above the rotating disk and is provided with a mounting plate.

[0013] Preferably, the connecting plate is located on one side of the rear end of the support frame and is hinged to the output shaft of the jacking drive, and the other end of the jacking drive is fixed on the workbench.

[0014] Preferably, a lower skin cavity is connected below the end surface slide rail on one side of the support frame close to the rotating disk.

[0015] Preferably, a sheet metal shell is further provided on the outside of the workbench, a control electric box is installed at the rear end of the shell, and a control button electrically connected to the control electric box is provided at the front end of the shell.

[0016] Preferably, the control electrical box is electrically connected to the first drive, the second drive and the lifting drive.

[0017] Compared with the prior art, the utility model has the beneficial effect that the brush can brush the cutting edge of the cutting tool into a round and smooth arc shape by rotating the brush and the cutting tool, thereby automatically and efficiently achieving the passivation effect of the cutting edge of the PCBN cutting tool. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional schematic diagram of the overall structure of the utility model;

[0019] Figure 2 It is a schematic diagram of the internal three-dimensional structure of the utility model;

[0020] Figure 3 It is an isometric side view schematic diagram of the internal three-dimensional structure of the utility model;

[0021] Figure 4 It is a two-dimensional side view schematic diagram of the internal structure of the utility model;

[0022] Figure 5 It is a schematic diagram of the three-dimensional structure of the rotating disk of the utility model.

[0023] In the figure: 1. first driver; 2. mounting plate; 21. brush plate; 3. rotating plate; 31. quick-change tray; 32. fixed plate; 33. planetary gear carrier; 34. planetary gear; 35. large ring gear; 4. workbench; 41. water collection tank; 42. housing; 43. control electric box; 44. control button; 5. second driver; 6. support frame; 61. lifting driver; 7. lower skin cavity; 8. connecting plate. DETAILED DESCRIPTION

[0024] The technical solution of the utility model is further described below in conjunction with the accompanying drawings and specific embodiments. Example

[0025] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, the utility model proposes a PCBN tool edge passivation device, comprising:

[0026] A workbench 4 is provided, with a rotating disk 3 installed on one side of its top surface, and a support frame 6 perpendicular to the top surface of the workbench 4 is provided on the other side, a connecting plate 8 is slidably provided on the support frame 6, a mounting disk 2 is provided on the connecting plate 8, and a lifting driver 61 for adjusting the distance between the mounting disk 2 and the rotating disk 3 is connected to the connecting plate 8;

[0027] The rotating disk 3 includes a planetary wheel carrier 33 and a fixed disk 32. The fixed disk 32 is provided with a plurality of fixed disks 32, which are rotatably arranged around the outer ring of the planetary wheel carrier 33. A quick-change tray 31 is detachably arranged on the fixed disk 32, and a PCBN tool is installed on the quick-change tray 31. The planetary wheel carrier 33 passes through the workbench 4 and is connected to a second driver 5 that drives the rotating disk 3 to rotate.

[0028] The mounting disk 2 is located directly above the rotating disk 3. A brush disk 21 is provided at the bottom of the mounting disk 2. The mounting disk 2 is connected to a first driver 1 that drives the mounting disk 2 to rotate through a connecting plate 8, and is used for rotating in contact with the cutting edge of the PCBN tool to passivate the cutting edge.

[0029] Furthermore, if Figure 5 As shown, a rotating shaft is provided at the bottom of the planetary wheel carrier 33, and the rotating shaft is connected to the second driver 5. A large ring gear 35 is installed at the bottom of the planetary wheel carrier 33. The outer ring of the bottom of the planetary wheel carrier 33 is provided with a plurality of planetary wheels 34 meshing with the large ring gear 35. The planetary wheels 34 pass through the planetary wheel carrier 33 and are connected to the fixed disk 32.

[0030] Specifically, the second driver 5 drives the planetary wheel carrier 33 to rotate through the rotating shaft, thereby driving all the fixed plates 32 and the quick-change trays 31 and PCBN tools thereon to rotate.

[0031] Furthermore, a plurality of positioning grooves are provided on the disk surface of the quick-change tray 31 , and the positioning grooves are evenly distributed on the disk surface of the quick-change tray 31 to accommodate the installation of PCBN tools.

[0032] Furthermore, if Figure 1 , Figure 2 , Figure 3 As shown, a water collecting tank 41 is arranged around the outer ring of the rotating disk 3 for collecting waste liquid generated during the passivation process. The water collecting tank 41 has a drain port for discharging the collected waste liquid.

[0033] Furthermore, if Figure 2 , Figure 3 , Figure 4 As shown, the support frame 6 also includes a slide rail vertically arranged on the end face of the support frame 6 close to the rotating disk 3. The connecting plate 8 is slidably connected to the support frame 6 through the slide rail. The connecting plate 8 is an L-shaped component. One end of the connecting plate 8 is parallel to the support frame 6, and the other end is located directly above the rotating disk 3 and is provided with a mounting disk 2.

[0034] Furthermore, if Figure 3 As shown, the connecting plate 8 is located at one side of the rear end of the supporting frame 6 and is hinged to the output shaft of the lifting driver 61 , and the other end of the lifting driver 61 is fixed on the workbench 4 frame.

[0035] Furthermore, if Figure 2 , Figure 3 , Figure 4 As shown, a lower skin cavity 7 is connected below the end surface slide rail of the support frame 6 close to the rotating disk 3 to block debris generated during passivation.

[0036] Furthermore, if Figure 1 As shown, a sheet metal shell 42 is also provided on the outside of the workbench 4, a control box 43 is installed at the rear end of the shell 42, and a control button 44 electrically connected to the control box 43 is provided at the front end of the shell 42, and the equipment is operated and controlled by the control button 44.

[0037] Furthermore, the control electrical box 43 is electrically connected to the first driver 1 , the second driver 5 and the lifting driver 61 .

[0038] The working principle of a PCBN tool edge passivation device based on the first embodiment is as follows: when in use, a rotating disk 3 and a supporting frame 6 are arranged on the top of a workbench 4, the rotating disk 3 is composed of a planetary wheel frame 33 and a plurality of rotatable fixed disks 32, a quick-change tray 31 is detachably mounted on the fixed disk 32, and a PCBN tool to be passivated is placed on the quick-change tray 31, while the second driver 5 drives the planetary wheel frame 33 to rotate, so that the fixed disk 32 around the outer ring of the planetary wheel frame 33 drives the quick-change tray 31 to rotate, and the mounting disk 2 is located on the rotating disk 3, a brush disk 21 is provided at its bottom, and a brush is provided on the brush disk 21. The mounting disk 2 is driven to rotate by the first driver 1. During passivation, the lifting driver 61 adjusts the mounting disk 2 through the connecting plate 8 to lower the mounting disk 2 so that the brush disk 21 contacts the cutting edge of the PCBN tool. The first driver 1 and the second driver 5 are controlled by the electric box 43 to rotate relatively, so that the brush disk 21 and the cutting edge of the PCBN tool are in rotational contact, and the passivation operation is performed. The passivation during rotation ensures the uniformity of the passivation of the cutting edge of the tool.

[0039] The above-mentioned specific embodiments are only several preferred embodiments of the present invention. Based on the technical solution of the present invention and the relevant inspiration of the above-mentioned embodiments, those skilled in the art can make various alternative improvements and combinations to the above-mentioned specific embodiments.

Claims

1. A PCBN tool edge passivation device, characterized in that: include: A workbench (4) frame, a rotating disk (3) is installed on one side of the top surface of the workbench (4), and a support frame (6) perpendicular to the top surface of the workbench (4) frame is provided on the other side, a connecting plate (8) is slidably provided on the support frame (6), a mounting disk (2) is provided on the connecting plate (8), and a lifting driver (61) for adjusting the distance between the mounting disk (2) and the rotating disk (3) is connected to the connecting plate (8); The rotating disk (3) comprises a planetary wheel carrier (33) and a fixed disk (32), wherein a plurality of fixed disks (32) are provided, and the plurality of fixed disks (32) are rotatably arranged around the outer ring of the planetary wheel carrier (33), wherein a quick-change tray (31) is detachably arranged on the fixed disk (32), and a PCBN tool is mounted on the quick-change tray (31), and the planetary wheel carrier (33) passes through a workbench (4) frame and is connected to a second driver (5) for driving the rotating disk (3) to rotate; The mounting disk (2) is located directly above the rotating disk (3), a brush disk (21) is arranged at the bottom of the mounting disk (2), and the mounting disk (2) is connected to a first driver (1) for driving the mounting disk (2) to rotate through a connecting plate (8), and is used for rotating in contact with the cutting edge of the PCBN tool to passivate the cutting edge.

2. A PCBN tool edge passivation device according to claim 1, characterized in that: The bottom of the planetary wheel carrier (33) is provided with a rotating shaft, which is connected to the second driver (5); the bottom of the planetary wheel carrier (33) is provided with a large gear ring (35); the outer ring of the bottom of the planetary wheel carrier (33) is provided with a plurality of planetary wheels (34) meshing with the large gear ring (35); the planetary wheels (34) pass through the planetary wheel carrier (33) and are connected to the fixed disk (32).

3. The PCBN tool edge passivation device according to claim 1, characterized in that: A plurality of positioning grooves are provided on the disk surface of the quick-change tray (31), and the positioning grooves are evenly distributed on the disk surface of the quick-change tray (31) to accommodate the installation of PCBN tools.

4. The PCBN tool edge passivation device according to claim 1, characterized in that: A water collecting trough (41) is arranged around the outer ring of the rotating disk (3), and a drainage port is provided in the water collecting trough (41) for collecting and discharging waste liquid generated during the passivation process.

5. The PCBN tool edge passivation device according to claim 1, characterized in that: The support frame (6) further comprises a slide rail vertically arranged on an end surface of the support frame (6) close to the rotating disk (3); the connecting plate (8) is slidably connected to the support frame (6) via the slide rail; the connecting plate (8) is an L-shaped member; one end of the connecting plate (8) is parallel to the support frame (6); the other end is located directly above the rotating disk (3) and is provided with a mounting plate (2).

6. A PCBN tool edge passivation device according to claim 5, characterized in that: The connecting plate (8) is located on one side of the rear end of the support frame (6) and is hingedly connected to the output shaft of the lifting driver (61); the other end of the lifting driver (61) is fixed on the workbench (4).

7. The PCBN tool edge passivation device according to claim 5, characterized in that: A lower skin cavity (7) is provided below the end surface slide rail of one side of the support frame (6) close to the rotating disk (3).

8. The PCBN tool edge passivation device according to claim 1, characterized in that: The workbench (4) frame is further provided with a sheet metal housing (42) on the outside, a control electric box (43) is installed at the rear end of the housing (42), and a control button (44) electrically connected to the control electric box (43) is provided at the front end of the housing (42).

9. A PCBN tool edge passivation device according to claim 8, characterized in that: The control electrical box (43) is electrically connected to the first drive (1), the second drive (5) and the lifting drive (61).