Multi-axis linkage micro-control grinding head structure for precision sharpening device of cutting knife

Abstract

This utility model relates to a multi-axis linkage micro-controlled grinding head structure for a precision cutting knife grinding device, belonging to the field of grinding and processing technology. It includes a fixed frame, with a mounting rod on the outer side of the fixed frame. A grinding wheel is detachably mounted on one end of the mounting rod. A moving mechanism is provided between the fixed frame and the mounting rod, and a linkage component is also provided between the fixed frame and the mounting rod. The moving mechanism includes a drive motor fixedly mounted on one side of the fixed frame, a lead screw fixedly mounted on the output shaft of the drive motor, a threaded sleeve threaded onto the outer side of the lead screw, a moving seat fixedly connected to the outer side of the threaded sleeve, and a bearing seat connected to the mounting rod fixedly mounted on the outer wall of the moving seat. The linkage component includes a transmission shaft fixedly connected to the lead screw. This precision cutting knife grinding device using a multi-axis linkage micro-controlled grinding head structure facilitates stable grinding, provides convenience for the operator, improves grinding efficiency, and has high practicality.

Description

Technical Field

[0001] This utility model relates to the field of grinding and processing technology, specifically to a multi-axis linkage micro-controlled grinding head structure for a precision grinding device for cutting blades. Background Technology

[0002] With the development of modern machining industry, the requirements for cutting quality and precision are constantly increasing, as are the demands for improved production efficiency, reduced production costs, and highly intelligent automatic cutting functions. Cutting machines are used in both metal and non-metal industries. Generally speaking, the non-metal industry is more subdivided, including stone cutting machines, water jet cutting machines, and serrated cutting machines for cutting stone, as well as laser cutting machines and blade cutting machines for cutting fabrics, plastics, and chemical fiber products. For cutting metal materials, there are flame cutting machines and plasma cutting machines. Flame cutting machines are further divided into two main categories: CNC cutting machines and manual cutting machines. Manual cutting machines include trolley cutting machines, semi-automatic cutting machines, and fully manual cutting machines. CNC cutting machines include gantry CNC cutting machines, cantilever CNC cutting machines, tabletop CNC cutting machines, and intersecting line CNC cutting machines, etc.

[0003] The cutting blade is an important part of the cutting machine. After long-term use, its blade will wear down, affecting the cutting effect. It needs to be sharpened by a sharpening device to restore its sharpness. However, in the use of existing sharpening devices, the position of the sharpening tool is fixed, and the operator needs to hold the blade and move it steadily along the surface of the sharpening tool. This requires the operator to have a certain amount of experience and causes inconvenience. Therefore, a multi-axis linkage micro-controlled sharpening head structure for precision sharpening of cutting blades is proposed to solve the above-mentioned problems. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a multi-axis linkage micro-controlled grinding head structure for a precision grinding device for cutting knives. It has advantages such as easy position adjustment and solves the problem of fixed position of the grinding tool in existing grinding devices during use.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a multi-axis linkage micro-controlled grinding head structure for a precision grinding device for cutting knives, including a fixed frame, an mounting rod provided on the outer side of the fixed frame, a grinding wheel detachably mounted on one end of the mounting rod, a moving mechanism provided between the fixed frame and the mounting rod, and a linkage component provided between the fixed frame and the mounting rod;

[0006] The moving mechanism includes a drive motor fixedly installed on one side of the fixed frame, a lead screw fixedly installed on the output shaft of the drive motor, a threaded sleeve installed on the outer side of the lead screw, a moving seat fixedly connected to the outer side of the threaded sleeve, and a bearing seat connected to the mounting rod fixedly installed on the outer wall of the moving seat.

[0007] The linkage assembly includes a drive shaft fixedly connected to a lead screw. A first gear is fixedly connected to the end of the drive shaft away from the lead screw. A second gear meshes on the tooth surface of the first gear. A connecting shaft is fixedly installed on the outer side of the second gear. A transmission sleeve is fixedly installed on the outer side of the connecting shaft. A splined shaft connected to a mounting rod is provided at the end of the transmission sleeve away from the connecting shaft.

[0008] Furthermore, the lead screw is located inside the fixed frame, the threaded sleeve is slidably fitted with the inner side of the fixed frame, and the outer wall of the mounting rod is connected to the inner side of the bearing seat through a bearing.

[0009] Furthermore, the end of the drive shaft near the lead screw is connected to the outside of the fixed frame via a bearing, and the end of the mounting rod away from the grinding wheel is fixedly connected to the spline shaft.

[0010] Furthermore, the inner side of the transmission sleeve is adapted to the outer side of the spline shaft, and the end of the spline shaft away from the mounting rod is movably inserted into the inside of the transmission sleeve.

[0011] Furthermore, a connecting plate is fixedly connected to the outside of the fixed frame, and a mounting plate is fixedly connected to the end of the connecting plate away from the fixed frame. Both the first gear and the second gear are connected to the outer wall of the mounting plate through bearings.

[0012] Furthermore, a positioning plate is fixedly connected to one end of the mounting rod near the grinding wheel, and a positioning shaft penetrating the inner side of the grinding wheel is fixedly connected to the outer wall of the positioning plate.

[0013] Furthermore, two symmetrical arc-shaped sleeves are fixedly connected to the outer wall of the grinding wheel, and the positioning shaft passes through the two arc-shaped sleeves. A fixing screw extending to the inside of the positioning shaft is threaded onto the outer wall of the arc-shaped sleeve.

[0014] Furthermore, two fixing blocks are fixedly installed on the outer wall of the fixing frame, and a guide rail is fixedly installed between the two fixing blocks. A slider is fixedly installed on the side of the movable seat near the guide rail, and the slider slides in cooperation with the outer wall of the guide rail.

[0015] Compared with the prior art, this utility model provides a multi-axis linkage micro-controlled grinding head structure for a precision grinding device for cutting knives, which has the following beneficial effects:

[0016] This precision blade sharpening device for cutting tools uses a multi-axis linkage micro-controlled grinding head structure. Through the coordinated use of the moving mechanism and linkage components, it drives the rotating grinding wheel to move, facilitating the adjustment of the grinding wheel's grinding position. When sharpening a cutting tool, it is only necessary to use a clamp to hold and fix the cutting tool, aligning the grinding surface of the cutting tool with the grinding wheel. Under the operation of the drive motor, the rotating grinding wheel moves along the surface of the cutting tool, facilitating stable sharpening. This provides convenience for the operator, improves sharpening efficiency, and is highly practical, solving the problem of the fixed position of the sharpening tool in existing sharpening devices during use. Attached Figure Description

[0017] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0018] Figure 2 This is a schematic diagram of the lead screw of this utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the grinding wheel of this utility model;

[0020] Figure 4 This is a schematic diagram of the positioning shaft of this utility model.

[0021] In the diagram: 1. Fixed frame; 2. Mounting rod; 3. Grinding wheel; 4. Drive motor; 5. Lead screw; 6. Threaded sleeve; 7. Moving seat; 8. Bearing seat; 9. Transmission shaft; 10. First gear; 11. Second gear; 12. Connecting shaft; 13. Transmission sleeve; 14. Splined shaft; 15. Positioning plate; 16. Positioning shaft; 17. Arc sleeve; 18. Fixing screw; 19. Connecting plate; 20. Mounting plate; 21. Fixing block; 22. Guide rail; 23. Slider. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Please see Figures 1 to 4 The precision grinding device for cutting blades in this embodiment uses a multi-axis linkage micro-controlled grinding head structure, including a fixed frame 1, an mounting rod 2 on the outside of the fixed frame 1, and a grinding wheel 3 detachably mounted on one end of the mounting rod 2.

[0024] In this embodiment, a moving mechanism is provided between the fixed frame 1 and the mounting rod 2. The moving mechanism includes a drive motor 4 fixedly installed on one side of the fixed frame 1. A lead screw 5 is fixedly installed on the output shaft of the drive motor 4. The lead screw 5 is located inside the fixed frame 1. A threaded sleeve 6 is threadedly installed on the outer side of the lead screw 5. The threaded sleeve 6 is slidably engaged with the inner side of the fixed frame 1. A movable seat 7 is fixedly connected to the outer side of the threaded sleeve 6. A bearing seat 8 connected to the mounting rod 2 is fixedly installed on the outer wall of the movable seat 7. The outer wall of the mounting rod 2 is connected to the inner side of the bearing seat 8 through a bearing. By starting the drive motor 4, the lead screw 5 can be rotated, which in turn moves the threaded sleeve 6 along the inner side of the fixed frame 1. At the same time, the movable seat 7 is moved, which facilitates the adjustment of the position of the mounting rod 2 and the grinding wheel 3. The bearing seat 8 and the bearing provide rotational support for the mounting rod 2.

[0025] Two fixing blocks 21 are fixedly installed on the outer wall of the fixing frame 1, and a guide rail 22 is fixedly installed between the two fixing blocks 21. A slider 23 is fixedly installed on the side of the movable seat 7 near the guide rail 22. The slider 23 slides with the outer wall of the guide rail 22. The slider 23 and the guide rail 22 work together to further guide the movable seat 7 and improve the stability of the structure.

[0026] In this embodiment, a linkage assembly is also provided between the fixing frame 1 and the mounting rod 2. The linkage assembly includes a transmission shaft 9 fixedly connected to the lead screw 5. A first gear 10 is fixedly connected to the end of the transmission shaft 9 away from the lead screw 5. A second gear 11 meshes on the tooth surface of the first gear 10. A connecting shaft 12 is fixedly installed on the outer side of the second gear 11. A transmission sleeve 13 is fixedly installed on the outer side of the connecting shaft 12. A spline shaft 14 connected to the mounting rod 2 is provided at the end of the transmission sleeve 13 away from the connecting shaft 12. The end of the mounting rod 2 away from the grinding wheel 3 is fixedly connected to the spline shaft 14. The inner side of the transmission sleeve 13 is adapted to the outer side of the spline shaft 14. The end of the spline shaft 14 away from the mounting rod 2 is movably inserted into the inside of the transmission sleeve 13. When the lead screw 5 rotates, it can drive the transmission shaft 9 to rotate synchronously, thereby driving the first gear 10 and the second gear 11 to drive the transmission. The second gear 11 will drive the connecting shaft 12 to rotate, and drive the transmission sleeve 13 to rotate, while driving the spline shaft 14 to rotate, thereby driving the mounting rod 2 and the grinding wheel 3 to rotate. The rotating grinding wheel 3 facilitates the grinding of the cutting blade.

[0027] It should be noted that the end of the drive shaft 9 near the lead screw 5 is connected to the outside of the fixed frame 1 through a bearing. At the same time, a connecting plate 19 is fixedly connected to the outside of the fixed frame 1, and a mounting plate 20 is fixedly connected to the end of the connecting plate 19 away from the fixed frame 1. The first gear 10 and the second gear 11 are both connected to the outer wall of the mounting plate 20 through bearings.

[0028] In this embodiment, a positioning plate 15 is fixedly connected to one end of the mounting rod 2 near the grinding wheel 3. A positioning shaft 16 that penetrates the inner side of the grinding wheel 3 is fixedly connected to the outer wall of the positioning plate 15. Two mutually symmetrical arc-shaped sleeves 17 are fixedly connected to the outer wall of the grinding wheel 3. The positioning shaft 16 passes between the two arc-shaped sleeves 17. A fixing screw 18 extending to the inner side of the positioning shaft 16 is threadedly connected to the outer wall of the arc-shaped sleeve 17, which facilitates the installation and disassembly of the grinding wheel 3 and makes it convenient to replace the grinding wheel 3.

[0029] The working principle of the above embodiments is as follows:

[0030] In use, starting the drive motor 4 drives the lead screw 5 to rotate, which in turn drives the threaded sleeve 6 to move along the inner side of the fixed frame 1, and simultaneously drives the moving seat 7 to move, thereby adjusting the position of the mounting rod 2 and the grinding wheel 3. When the lead screw 5 rotates, it drives the transmission shaft 9 to rotate synchronously, thereby driving the first gear 10 and the second gear 11 to drive the transmission. The second gear 11 then drives the connecting shaft 12 to rotate, which in turn drives the transmission sleeve 13 to rotate, and simultaneously drives the spline shaft 14 to rotate, thereby driving the mounting rod 2 and the grinding wheel 3 to rotate. With the cooperation of the moving mechanism and the linkage components, the rotating grinding wheel 3 can be moved, which facilitates the adjustment of the grinding position of the grinding wheel 3. When grinding the cutting blade, it is only necessary to use a clamp to hold and fix the cutting blade so that the grinding surface of the cutting blade corresponds to the grinding wheel 3. Under the operation of the drive motor 4, the rotating grinding wheel 3 moves along the surface of the cutting blade, which facilitates stable grinding.

[0031] The installation, connection, or setting methods disclosed in this embodiment are all common mechanical connection methods, and any method that achieves the desired beneficial effect can be implemented. Furthermore, all electrical components in this embodiment are electrically connected to the main controller and power supply. The main controller can be a conventional, known device such as a computer that performs control functions. Those skilled in the art can control the electrical components through simple programming, and the existing disclosed power connection technologies are common knowledge in the field. Therefore, this embodiment will not elaborate further on their specific structural composition and working principles.

[0032] It should be noted that the orientations or positional relationships indicated herein are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the purpose of facilitating the description of this application and simplifying the description, and are not intended to 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.

Claims

1. A multi-axis linkage micro-controlled grinding head structure for a precision grinding device for cutting blades, characterized in that: Includes a fixed frame (1), an installation rod (2) is provided on the outside of the fixed frame (1), a grinding wheel (3) is detachably installed on one end of the installation rod (2), a moving mechanism is provided between the fixed frame (1) and the installation rod (2), and a linkage component is also provided between the fixed frame (1) and the installation rod (2); The moving mechanism includes a drive motor (4) fixedly installed on one side of the fixed frame (1), a lead screw (5) fixedly installed on the output shaft of the drive motor (4), a threaded sleeve (6) is threaded on the outer side of the lead screw (5), a moving seat (7) is fixedly connected to the outer side of the threaded sleeve (6), and a bearing seat (8) connected to the mounting rod (2) is fixedly installed on the outer wall of the moving seat (7). The linkage assembly includes a transmission shaft (9) fixedly connected to the lead screw (5). A first gear (10) is fixedly connected to one end of the transmission shaft (9) away from the lead screw (5). A second gear (11) meshes on the tooth surface of the first gear (10). A connecting shaft (12) is fixedly installed on the outer side of the second gear (11). A transmission sleeve (13) is fixedly installed on the outer side of the connecting shaft (12). A spline shaft (14) connected to the mounting rod (2) is provided at one end of the transmission sleeve (13) away from the connecting shaft (12).

2. The multi-axis linkage micro-controlled grinding head structure for the precision grinding device for cutting blades according to claim 1, characterized in that: The lead screw (5) is located inside the fixed frame (1), the threaded sleeve (6) is slidably fitted with the inner side of the fixed frame (1), and the outer wall of the mounting rod (2) is connected to the inner side of the bearing seat (8) through a bearing.

3. The multi-axis linkage micro-controlled grinding head structure for the precision grinding device for cutting blades according to claim 1, characterized in that: The end of the drive shaft (9) near the lead screw (5) is connected to the outside of the fixed frame (1) via a bearing, and the end of the mounting rod (2) away from the grinding wheel (3) is fixedly connected to the spline shaft (14).

4. The multi-axis linkage micro-controlled grinding head structure for the precision grinding device for cutting blades according to claim 1, characterized in that: The inner side of the transmission sleeve (13) is adapted to the outer side of the spline shaft (14), and the end of the spline shaft (14) away from the mounting rod (2) is movably inserted into the inside of the transmission sleeve (13).

5. The multi-axis linkage micro-controlled grinding head structure for the precision grinding device for cutting blades according to claim 1, characterized in that: The fixed frame (1) is externally fixedly connected to a connecting plate (19), and a mounting plate (20) is fixedly connected to one end of the connecting plate (19) away from the fixed frame (1). The first gear (10) and the second gear (11) are both connected to the outer wall of the mounting plate (20) through bearings.

6. The multi-axis linkage micro-controlled grinding head structure for the precision grinding device for cutting blades according to claim 1, characterized in that: The mounting rod (2) is fixedly connected to a positioning plate (15) at one end near the grinding wheel (3), and a positioning shaft (16) that penetrates the inner side of the grinding wheel (3) is fixedly connected to the outer wall of the positioning plate (15).

7. The multi-axis linkage micro-controlled grinding head structure for the precision grinding device for cutting blades according to claim 6, characterized in that: Two symmetrical arc sleeves (17) are fixedly connected to the outer wall of the grinding wheel (3). The positioning shaft (16) passes through the two arc sleeves (17). The outer wall of the arc sleeve (17) is threaded with a fixing screw (18) extending to the inside of the positioning shaft (16).

8. The multi-axis linkage micro-controlled grinding head structure for the precision grinding device for cutting blades according to claim 1, characterized in that: Two fixing blocks (21) are fixedly installed on the outer wall of the fixing frame (1), and a guide rail (22) is fixedly installed between the two fixing blocks (21). A slider (23) is fixedly installed on the side of the movable seat (7) near the guide rail (22), and the slider (23) slides in cooperation with the outer wall of the guide rail (22).

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