Grinding wheel
By designing a grinding wheel with a detachable left grinding wheel, air gap grinding wheel, and right grinding wheel connecting sleeve, the problems of low grinding accuracy and low efficiency in the existing technology are solved, realizing high-precision and high-efficiency ferrite core machining, which is suitable for mass production.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JIANGMEN FENGGUAN NEW MATERIAL CO LTD
- Filing Date
- 2025-05-19
- Publication Date
- 2026-05-05
AI Technical Summary
Existing grinding wheels have low precision and low efficiency in machining ferrite cores, and chamfering grinding requires wheel replacement, which affects production efficiency.
Design a grinding wheel comprising a left grinding wheel, an air gap grinding wheel, and a right grinding wheel, connected by a connecting sleeve. The grinding wheels are chamfered and can be disassembled. Combined with bolts and nuts, the grinding wheels can be securely installed. It is suitable for air gap machining and chamfer grinding of different ferrite cores.
It improves the air gap machining accuracy and efficiency of grinding wheels, avoids the need to replace chamfering grinding wheels, increases production efficiency, and is suitable for mass production.
Smart Images

Figure CN224196592U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of grinding wheel technology, specifically to a grinding wheel. Background Technology
[0002] In the machining of ferrite cores with a central column, the central column needs to be ground to make its height less than the height of the core side plates, thus creating an air gap. However, existing technologies generally use a single grinding wheel for this purpose, resulting in low precision and efficiency in air gap machining. Furthermore, some ferrite cores require chamfering, which necessitates changing the chamfering grinding wheel, making it inconvenient, reducing production efficiency, and hindering mass production. Therefore, to avoid the shortcomings of existing technologies, it is necessary to improve them. Utility Model Content
[0003] The purpose of this invention is to overcome the shortcomings and deficiencies of the existing technology and provide a grinding wheel that is simple in structure and easy to use.
[0004] This utility model is achieved through the following technical solution:
[0005] A grinding wheel includes a left grinding wheel, an air gap grinding wheel, and a right grinding wheel. The left grinding wheel and the air gap grinding wheel, as well as the air gap grinding wheel and the right grinding wheel, are connected by connecting sleeves. The left grinding wheel, the air gap grinding wheel, and the right grinding wheel are all detachably connected to the connecting sleeves. The diameter of the air gap grinding wheel is smaller than the diameter of the left grinding wheel, and the diameter of the air gap grinding wheel is smaller than the diameter of the right grinding wheel. The left grinding wheel near the air gap grinding wheel and the right grinding wheel near the air gap grinding wheel each have a first chamfer. The left grinding wheel away from the air gap grinding wheel and the right grinding wheel away from the air gap grinding wheel each have a second chamfer. The air gap grinding wheel has a third chamfer on both its left and right sides.
[0006] Furthermore, the connecting sleeve is provided with a plurality of positioning posts, and the left grinding wheel, the air gap grinding wheel and the right grinding wheel are all provided with positioning holes corresponding to the positioning posts.
[0007] Furthermore, the left grinding wheel, air gap grinding wheel, right grinding wheel, and connecting sleeve are connected by bolts and nuts.
[0008] Furthermore, the left grinding wheel, the air gap grinding wheel, the right grinding wheel, and the connecting sleeve are all provided with through holes for the bolts to pass through.
[0009] Furthermore, the left grinding wheel and the right grinding wheel are respectively provided with a first opening and a second opening for positioning and installing the bolt head and the nut.
[0010] Furthermore, the dimensions of the first chamfer are 0.1mm×45°~3mm×45°, the dimensions of the second chamfer are 0.1mm×45°~3mm×45°, and the dimensions of the third chamfer are 0.1mm×45°~3mm×45°.
[0011] Furthermore, the size of the first chamfer is the same as the size of the third chamfer.
[0012] Furthermore, the left grinding wheel, the air gap grinding wheel, the right grinding wheel, and the connecting sleeve are all provided with shaft holes.
[0013] Furthermore, the diameter of the left grinding wheel is the same as the diameter of the right grinding wheel.
[0014] Furthermore, the first chamfer, the second chamfer, and the third chamfer are all 45° chamfers.
[0015] Compared to existing technologies, this utility model features a detachable connection between the left grinding wheel, the air gap grinding wheel, and the right grinding wheel via a connecting sleeve. Both the left and right grinding wheels have a first chamfer on the side closest to the air gap, and both have a second chamfer on the side furthest from the air gap. The air gap grinding wheels also have third chamfers on both sides. In use, the left and right grinding wheels grind the left and right side plates, while the air gap grinding wheel grinds the central column, creating an air gap value with the required precision relative to the side plates. Different connecting sleeves can be used, making it suitable for air gap machining of different ferrite cores. The first, second, and third chamfers can be used to grind and chamfer the central column and the left and right side plates, resulting in high precision and efficiency in air gap machining. It eliminates the need to replace the chamfering grinding wheels, making it convenient to use, improving production efficiency, and facilitating mass production. Attached Figure Description
[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0017] Figure 1 This is a schematic diagram of the structure of the grinding wheel of this utility model;
[0018] Figure 2 This is an exploded view of the structure of the grinding wheel of this utility model.
[0019] In the diagram: 1-Left grinding wheel; 2-Air gap grinding wheel; 3-Right grinding wheel; 4-Connecting sleeve; 5-First chamfer; 6-Second chamfer; 7-Third chamfer; 8-Positioning pin; 9-Positioning hole; 10-Bolt; 11-Nut; 12-Through hole; 13-First opening; 14-Shaft hole. Detailed Implementation
[0020] 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.
[0021] like Figure 1 and Figure 2 The present invention discloses a grinding wheel comprising a left grinding wheel 1, an air gap grinding wheel 2, and a right grinding wheel 3. The left grinding wheel 1 and the air gap grinding wheel 2, as well as the air gap grinding wheel 2 and the right grinding wheel 3, are connected by a connecting sleeve 4. The left grinding wheel 1, the air gap grinding wheel 2, and the right grinding wheel 3 are detachably connected to the connecting sleeve 4. The diameter of the air gap grinding wheel 2 is smaller than the diameter of the left grinding wheel 1, and the diameter of the air gap grinding wheel 2 is smaller than the diameter of the right grinding wheel 3. The left grinding wheel 1 near the air gap grinding wheel 2 and the right grinding wheel 3 near the air gap grinding wheel 2 are both provided with a first chamfer 5. The left grinding wheel 1 away from the air gap grinding wheel 2 and the right grinding wheel 3 away from the air gap grinding wheel 2 are both provided with a second chamfer 6. The left and right sides of the air gap grinding wheel 2 are both provided with a third chamfer 7. The left grinding wheel 1, the air gap grinding wheel 2, and the right grinding wheel 3 are detachably connected to the connecting sleeve 4. Both the left grinding wheel 1 and the right grinding wheel 3 near the air gap grinding wheel 2 have a first chamfer 5. Both the left grinding wheel 1 and the right grinding wheel 3 away from the air gap grinding wheel 2 have a second chamfer 6. The air gap grinding wheel 2 has a third chamfer 7 on both its left and right sides. In use, the left grinding wheel 1 and the right grinding wheel 2 grind the left and right side plates, while the air gap grinding wheel 2 grinds the central column, forming an air gap value with the required precision relative to the two side plates. Different connecting sleeves 4 can be replaced, making it suitable for air gap processing of different ferrite cores. The first chamfer 5, the second chamfer 6, and the third chamfer 7 can be used to grind and chamfer the central column and the left and right side plates, resulting in high precision and efficiency in air gap processing. It eliminates the need to replace the chamfering grinding wheels, making it convenient to use, improving production efficiency, and facilitating mass production.
[0022] The connecting sleeve 4 is provided with several positioning posts 8. The left grinding wheel 1, the air gap grinding wheel 2 and the right grinding wheel 3 are all provided with positioning holes 9 corresponding to the positioning posts 8, which facilitates the positioning and installation of the left grinding wheel 1, the air gap grinding wheel 2 and the right grinding wheel 3.
[0023] The left grinding wheel 1, the air gap grinding wheel 2, the right grinding wheel 3, and the connecting sleeve 4 are connected by bolts 10 and nuts 11, which makes the installation of the grinding wheels simple and the structure stable.
[0024] The left grinding wheel 1, the air gap grinding wheel 2, the right grinding wheel 3, and the connecting sleeve 4 are all provided with through holes 12 for the bolt 10 to pass through, so as to facilitate the stable installation of the bolt 10.
[0025] The left grinding wheel 1 and the right grinding wheel 3 are respectively provided with a first opening 13 and a second opening for positioning and installing the bolt head of the bolt 10 and the nut 11, which facilitates the positioning and installation of the bolt 10 and the nut 11 and prevents external factors from affecting the stability of the installation of the bolt 10 and the nut 11.
[0026] In practice, the dimensions of the first chamfer 5 are 0.1mm×45°~3mm×45°, the dimensions of the second chamfer 6 are 0.1mm×45°~3mm×45°, and the dimensions of the third chamfer 7 are 0.1mm×45°~3mm×45°, which are suitable for chamfer requirements of different sizes.
[0027] The size of the first chamfer 5 is the same as that of the third chamfer 7. The center column and the left and right side plates are precisely ground and chamfered.
[0028] The left grinding wheel 1, the air gap grinding wheel 2, the right grinding wheel 3, and the connecting sleeve 4 are all provided with shaft holes 14, which facilitates the stable installation of the grinding wheels.
[0029] The diameter of the left grinding wheel 1 is the same as that of the right grinding wheel 3, which is conducive to the stable processing of the air gap grinding wheel 2 and improves the processing accuracy of the air gap.
[0030] The first chamfer 5, the second chamfer 6, and the third chamfer 7 are all 45° chamfers, with stable chamfer control and high chamfer precision.
[0031] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A grinding wheel, characterized in that: The device includes a left grinding wheel, an air gap grinding wheel, and a right grinding wheel. The left grinding wheel and the air gap grinding wheel, as well as the air gap grinding wheel and the right grinding wheel, are connected by connecting sleeves. The left grinding wheel, the air gap grinding wheel, and the right grinding wheel are all detachably connected to the connecting sleeves. The diameter of the air gap grinding wheel is smaller than the diameter of the left grinding wheel, and the diameter of the air gap grinding wheel is smaller than the diameter of the right grinding wheel. The left grinding wheel near the air gap grinding wheel and the right grinding wheel near the air gap grinding wheel each have a first chamfer. The left grinding wheel away from the air gap grinding wheel and the right grinding wheel away from the air gap grinding wheel each have a second chamfer. The air gap grinding wheel has a third chamfer on both its left and right sides.
2. The grinding wheel according to claim 1, characterized in that: The connecting sleeve is provided with a number of positioning posts, and the left grinding wheel, the air gap grinding wheel and the right grinding wheel are all provided with positioning holes corresponding to the positioning posts.
3. The grinding wheel according to claim 1, characterized in that: The left grinding wheel, air gap grinding wheel, right grinding wheel and connecting sleeve are connected by bolts and nuts.
4. The grinding wheel according to claim 3, characterized in that: The left grinding wheel, air gap grinding wheel, right grinding wheel, and connecting sleeve are all provided with through holes for the bolts to pass through.
5. The grinding wheel according to claim 3, characterized in that: The left grinding wheel and the right grinding wheel are respectively provided with a first opening and a second opening for positioning and installing the bolt head and the nut.
6. The grinding wheel according to claim 1, characterized in that: The dimensions of the first chamfer are 0.1mm×45°~3mm×45°, the dimensions of the second chamfer are 0.1mm×45°~3mm×45°, and the dimensions of the third chamfer are 0.1mm×45°~3mm×45°.
7. The grinding wheel according to claim 1, characterized in that: The size of the first chamfer is the same as the size of the third chamfer.
8. The grinding wheel according to claim 1, characterized in that: The left grinding wheel, air gap grinding wheel, right grinding wheel, and connecting sleeve are all provided with shaft holes.
9. The grinding wheel according to claim 1, characterized in that: The diameter of the left grinding wheel is the same as the diameter of the right grinding wheel.
10. The grinding wheel according to claim 1, characterized in that: The first, second, and third chamfers are all 45° chamfers.