Knife sharpening auxiliary positioning tool and knife sharpener
By designing a sharpening auxiliary positioning tool, and utilizing locking holes and angle adjustment mechanisms, the problem of uneven blade thickness caused by traditional sharpening methods was solved, thus improving sharpening accuracy and efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHANGZHOU YUANCHANG ELECTRIC APPLIANCE CO LTD
- Filing Date
- 2025-06-05
- Publication Date
- 2026-05-05
AI Technical Summary
Traditional methods of sharpening blades often result in uneven thickness, which can damage the blades and lead to low sharpening efficiency.
A sharpening auxiliary positioning tool was designed, comprising a sharpener body, a locking hole, an angle adjustment mechanism, an adjustment pressure plate, a rotating shaft, and an adjustment knob. The sharpening head is fixed through the locking hole, and the angle adjustment mechanism and scale values are used to achieve precise angle adjustment.
It achieves precise blade grinding, improves grinding accuracy and efficiency, and avoids uneven blade wear.
Smart Images
Figure CN224196464U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of garden blade processing technology, and in particular to a sharpening auxiliary positioning tool and a sharpening machine having the auxiliary positioning tool. Background Technology
[0002] Blades are core functional components of tools used in industries such as landscaping. After a period of use, blades become dull and lose their function, requiring sharpening with a grinding head. The traditional method is to sharpen the blades by hand with a grinder, which results in uneven thickness and can easily damage the blades. Utility Model Content
[0003] The purpose of this application is to provide a sharpening auxiliary positioning tool that is simple in structure, accurate in positioning, and easy to use, as well as a sharpening machine having the auxiliary positioning tool.
[0004] To achieve the above objectives, this utility model provides a sharpening auxiliary positioning tool, including a sharpening machine body, a locking hole for fixing the sharpening head on the sharpening machine body, and an angle adjustment mechanism for adjusting the workpiece angle on the sharpening machine body.
[0005] The angle adjustment mechanism includes an adjustment plate, a rotating shaft, and an adjustment knob. The rotating shaft is rotatably connected to one end of the grinder body. The adjustment plate is fixed on the rotating shaft. One side of the adjustment plate has a positioning surface that can fit against the end face of the workpiece being ground. The adjustment knob is fixed to one end of the rotating shaft and can drive the adjustment plate to rotate by rotating the knob.
[0006] To facilitate the installation of the sharpening head and angle adjustment mechanism, the sharpening device body includes a ring-shaped locking part with a locking hole in the center that can lock the sharpening head. One end of the locking part has an extension that is perpendicular to the end face of the locking part, and the angle adjustment mechanism is installed at one end of the extension.
[0007] To facilitate the guidance of the grinding head, a baffle is provided at the other end of the locking part. The baffle is disposed opposite to the extension part, and there is a channel between the baffle and the extension part that allows the grinding head to pass through.
[0008] To facilitate the rotation of the angle adjustment mechanism, the end of the extension away from the locking part has a plate-shaped rotating part, and the adjusting pressure plate has a set of limiting plates that can be inserted into the rotating part. The rotating shaft passes through the rotating part and the limiting plates, and the rotating shaft can rotate around the axial direction of the rotating part.
[0009] To facilitate accurate adjustment of the angle of the adjusting plate, a first scale value is provided on one side of the extension, and a first pointer is fixed at the end of the rotating shaft near the adjusting knob.
[0010] Correspondingly, a second scale value is provided on the other side of the extension, and a second pointer is fixed at the end of the rotating shaft away from the adjustment knob.
[0011] To facilitate the adjustment of the pressure plate and the blade end face, the adjustment pressure plate has a triangular structure, and the end face of the adjustment pressure plate near the grinding head is a horizontal positioning surface.
[0012] This utility model also provides a knife sharpener, which has the above-mentioned knife sharpening auxiliary positioning tool.
[0013] In summary, this utility model has the following beneficial effects: the sharpening auxiliary positioning tool and sharpener use a specially designed angle adjustment mechanism to position the blade with an auxiliary platform. By adjusting the angle, the blade can be easily sharpened to the desired effect. The structure is simple, the operation is convenient, and the sharpening accuracy and efficiency of the blade are greatly improved. Attached Figure Description
[0014] Figure 1 This is a three-dimensional structural diagram of the sharpening auxiliary positioning tool of this utility model from one direction;
[0015] Figure 2 This is a three-dimensional structural diagram of the sharpening auxiliary positioning tool of this utility model from another perspective. Detailed Implementation
[0016] The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby providing a clearer and more definite definition of the scope of protection of the present invention.
[0017] In the description of this utility model, it should be noted that the terms "upper", "lower", "left", "right", "top", "bottom", "side", "end", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, 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. Therefore, they should not be construed as limitations on this utility model.
[0018] Example 1
[0019] like Figure 1 , Figure 2The tool shown is a sharpening auxiliary positioning tool, including a sharpening body. The sharpening body includes a ring-shaped locking part 1. The locking part 1 has a locking hole 4 at its center, which can lock the sharpening head. The locking hole 4 is a threaded hole. One end (bottom end) of the locking part 1 has an extension part 2 and a baffle part 3. The extension part 2 and the baffle part 3 are perpendicular to the bottom end face of the locking part 1. The baffle part 3 is arranged opposite to the extension part 2. There is a channel between the baffle part 3 and the extension part 2 that allows the sharpening head to pass through. An angle adjustment mechanism that can adjust the angle of the workpiece is provided on the bottom end of the extension part 2.
[0020] Specifically, the angle adjustment mechanism includes an adjusting pressure plate 5, a rotating shaft 7, and an adjusting knob 6. The end (bottom end) of the extension 2 away from the locking part 1 has a plate-shaped rotating part. The adjusting pressure plate 5 has a set of limiting plates that can be inserted into the rotating part. The rotating shaft 7 passes through the rotating part and the limiting plates and can rotate axially around the rotating part. The top end of the adjusting pressure plate 5 is fixed to the rotating shaft 7, and the adjusting pressure plate 5 can rotate together with the rotating shaft 7. The adjusting pressure plate 5 has a triangular structure. The end face of the adjusting pressure plate 5 near the grinding head is a horizontal positioning surface 501. The positioning surface 501 can fit against the end face of the workpiece (blade) being ground. The adjusting knob 6 is fixed to one end of the rotating shaft 7, and the adjusting knob 6 can drive the adjusting pressure plate 5 to rotate by rotating.
[0021] In addition, a first scale value 8 is provided on one end face of the extension 2, a first pointer 9 is fixed at one end of the rotating shaft 7 near the adjustment knob 6, a second scale value 10 is provided on the other end face of the extension 2, and a second pointer 11 is fixed at one end of the rotating shaft 7 away from the adjustment knob 6. The first pointer 9 and the second pointer 11 can both rotate simultaneously with the rotating shaft 7. The first scale value 8 and the second scale value 10 can display the current angle (rotation angle range is 20-40 degrees).
[0022] Example 2
[0023] This utility model also provides a knife sharpener, which has the above-mentioned knife sharpening auxiliary positioning tool.
[0024] When using this tool, install the sharpening auxiliary positioning tool on the sharpener. The sharpening head is threadedly connected to the sharpener body. Place the blade against the positioning surface of the adjusting plate and drive the adjusting plate to rotate by adjusting the knob, so that the blade can be rotated at a certain angle and the sharpening head can then sharpen it.
[0025] In the description of the embodiments of this utility model, unless otherwise expressly specified and limited, the terms "installed," "connected," "linked," "set up," "equipped with," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0026] 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, principle and application direction of this application should be covered within the scope of protection of this application.
Claims
1. A sharpening auxiliary positioning tool, comprising a sharpening body, wherein the sharpening body has a locking hole for fixing a sharpening head, characterized in that: The main body of the sharpener is equipped with an angle adjustment mechanism that can adjust the angle of the workpiece. The angle adjustment mechanism includes an adjustment plate, a rotating shaft, and an adjustment knob. The rotating shaft is rotatably connected to one end of the grinder body. The adjustment plate is fixed on the rotating shaft. One side of the adjustment plate has a positioning surface that can fit against the end face of the workpiece being ground. The adjustment knob is fixed to one end of the rotating shaft and can drive the adjustment plate to rotate by rotating the knob.
2. The sharpening auxiliary positioning tool according to claim 1, characterized in that: The main body of the sharpener includes a ring-shaped locking part with a locking hole in the center that can lock the sharpening head. One end of the locking part has an extension that is perpendicular to the end face of the locking part. The angle adjustment mechanism is installed at one end of the extension.
3. The sharpening auxiliary positioning tool according to claim 2, characterized in that: The other end of the locking part is provided with a baffle part, which is disposed opposite to the extension part, and there is a channel between the baffle part and the extension part that allows the grinding head to pass through.
4. The sharpening auxiliary positioning tool according to claim 2, characterized in that: The extension portion has a plate-shaped rotating portion at the end away from the locking portion. The adjusting pressure plate has a set of limiting plates that can be inserted into the rotating portion. The rotating shaft passes through the rotating portion and the limiting plates and can rotate axially around the rotating portion.
5. The sharpening auxiliary positioning tool according to claim 2, characterized in that: A first scale value is provided on one side of the extension, and a first pointer is fixed at the end of the rotating shaft near the adjustment knob.
6. The sharpening auxiliary positioning tool according to claim 5, characterized in that: A second scale value is provided on the other side of the extension, and a second pointer is fixed at the end of the rotating shaft away from the adjustment knob.
7. The sharpening auxiliary positioning tool according to claim 4, characterized in that: The adjusting plate has a triangular structure, and the end face of the adjusting plate near the grinding head is a horizontal positioning surface.
8. A knife sharpener, characterized in that: The sharpening device has a sharpening auxiliary positioning tool as described in any one of claims 1-7.