Edge grinding tool bit

By designing the rotating shaft and grinding head structure of the grinding head, the problem that existing grinding heads cannot achieve double-sided grinding of workpieces has been solved, enabling rapid replacement and stable assembly of the grinding head and improving grinding efficiency.

CN223749386UActive Publication Date: 2026-01-02DONGGUAN WENFENG TOOL CO LTD
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Patent Information

Application Number
CN202520212360.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-10
Publication Date
2026-01-02
Estimated Expiration
2035-02-10

AI Technical Summary

Technical Problem

Existing edge grinding cutters cannot achieve double-sided edge grinding and rust removal of workpieces, resulting in low edge grinding efficiency.

Method used

A grinding head is designed, including a rotating shaft and a grinding head. The rotating shaft is provided with a mounting groove, and the grinding head is provided with a limiting protrusion. The limiting protrusion slides and engages with the mounting groove to realize easy replacement and stable assembly of the grinding head.

Benefits of technology

It enables quick replacement and stable assembly of the grinding head, improves grinding efficiency, and ensures the convenience and efficiency of double-sided grinding of workpieces.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223749386U_ABST
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Abstract

The utility model belongs to the technical field of grinding equipment, and particularly relates to an edge grinding tool bit which comprises a rotating shaft and an edge grinding head, an installation sliding groove is formed in the rotating shaft, one end of the installation sliding groove extends to the side face of the end of the rotating shaft, an installation hole is formed in the edge grinding tool bit, a limiting protrusion is arranged on the inner side wall of the installation hole, and the limiting protrusion is matched with the rotating shaft. The edge grinding heads are arranged on the rotating shafts in a sleeving mode, the limiting protrusions are connected with the installation sliding grooves in a sliding and clamping mode, and free switching of the edge grinding heads is achieved through the structural arrangement.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the polishing equipment technical field, especially, relate to an edge grinding tool bit. BACKGROUND

[0002] The edge grinding machine is used for the edge grinding and rust removal of workpieces such as plates, and the multiple edges of the plate are ground and rusted according to the needs (such as the edge grinding of the inner tank plate of a water heater), so that the workpiece needs to be transmitted to the tool bit of the edge grinding machine during the edge grinding process. In the prior art, the transmission mechanism for the edge grinding machine is generally a plurality of parallel arranged rollers, which parallel transmit the workpiece to the tool bit of the edge grinding machine. In the above process, the workpiece is always in linear motion. The edge grinding tool bit of the prior art is generally installed on the side of the rack, and the workpiece is placed on the transmission component on the rack and is transmitted to the edge grinding tool bit through the transmission component. At this time, the edge grinding tool bit grinds and rusts one side of the workpiece. As known, one side of the workpiece has two surfaces, and in many occasions (such as the inner tank plate of a water heater), the edge grinding and rust removal of both surfaces are required to be completed before use. Therefore, the above prior art needs to grind the workpiece again in reverse to meet the use requirements. Therefore, the prior art has the technical problems of being unable to simultaneously grind and rust the double surfaces of the workpiece and low grinding efficiency. SUMMARY

[0003] The utility model discloses an edge grinding tool bit, which aims to solve the technical problem of low processing efficiency of the edge grinding tool bit in the prior art.

[0004] To achieve the above-mentioned purpose, the utility model discloses an edge grinding tool bit, which comprises a rotating shaft and an edge grinding head. An installation sliding groove is arranged on the rotating shaft, one end of the installation sliding groove extends to the side surface of the end of the rotating shaft, an installation hole is arranged on the edge grinding tool bit, a limiting protrusion is arranged on the inner side wall of the installation hole, the edge grinding head is sleeved on the rotating shaft, and the limiting protrusion is slidably connected with the installation sliding groove.

[0005] Preferably, the installation sliding groove comprises a guide groove and a limiting groove. The extension path of the guide groove is parallel to the central axis of the rotating shaft. The limiting groove is arranged close to the end of the rotating shaft and extends along the path around the outer side surface of the rotating shaft. One end of the limiting groove is in communication with the side surface of the guide groove. The limiting protrusion is slidably connected with the guide groove and can be clamped with the limiting groove.

[0006] Preferably, the bottom surfaces of the guide groove and the limiting groove are both curved surfaces around the central axis of the rotating shaft, and the bottom surfaces of the guide groove and the limiting groove are located on the same curved surface.

[0007] Preferably, the limiting protrusion comprises a supporting block and two clamping protrusions, the limiting protrusion is arranged on the inner side wall of the mounting hole, and the bottom plane of the limiting protrusion is arranged in a curved surface, the bottom surface of the supporting block is arranged close to the bottom surface of the guide groove and the limiting groove, the two clamping protrusions are arranged on two non-adjacent side surfaces of the limiting protrusion respectively, and the two clamping protrusions can abut against the two inner side walls of the limiting groove respectively.

[0008] Preferably, the bottom of the clamping protrusion is located on the same curved surface as the bottom of the supporting block.

[0009] Preferably, the top plane of the clamping protrusion is arranged in a curved surface, one end of the top plane of the clamping protrusion is connected with the bottom plane of the clamping protrusion, and the other end of the top plane of the clamping protrusion is arranged in a curved surface away from the bottom plane of the clamping protrusion.

[0010] Preferably, two positioning protrusions are arranged on the limiting groove, the two positioning protrusions are arranged on two opposite inner side surfaces of the limiting groove respectively, and the two positioning protrusions are located at the top opening of the limiting groove, and the top plane of the positioning protrusion is arranged flush with the outer side surface of the rotating shaft.

[0011] Preferably, a plurality of auxiliary grooves are arranged on the outer side surface of the rotating shaft at intervals, each auxiliary groove is arranged around the rotating shaft, and each auxiliary groove is in communication with the guide groove.

[0012] Preferably, a plurality of auxiliary protrusions are arranged on the inner side wall of the mounting hole at intervals, each auxiliary protrusion is in sliding connection with each auxiliary groove.

[0013] The above one or more technical solutions in the edge grinding tool provided by the embodiment of the utility model have at least one of the following technical effects:

[0014] The edge grinding tool in the utility model is assembled by a rotating shaft and an edge grinding head, wherein the edge grinding head is freely detachable and replaceable, a mounting sliding groove is arranged on the rotating shaft, one end of the mounting sliding groove extends to the end surface of the rotating shaft, an installation hole is arranged on the edge grinding head, a limiting protrusion is arranged on the inner side wall of the installation hole, and the limiting protrusion is used for clamping the mounting sliding groove, when assembled, one end of the rotating shaft penetrated by the mounting sliding groove is inserted into the installation hole, the limiting protrusion is inserted into the mounting sliding groove, the edge grinding head is clamped with the rotating shaft, and the edge grinding head in the application can be simply replaced according to requirements through the above structure. BRIEF DESCRIPTION OF DRAWINGS

[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model, 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.

[0016] Figure 1 A cross-sectional view of the edge grinding head provided in an embodiment of this utility model.

[0017] Figure 2 for Figure 1 A magnified view of part A in the image.

[0018] Figure 3 A side view of the limiting protrusion of the grinding head provided in an embodiment of this utility model.

[0019] Figure 4 This is a side view of the rotating shaft of the grinding head provided in an embodiment of the present utility model.

[0020] The following are the labeling elements in the figure:

[0021] 10—Spindle 11—Mounting groove 12—Auxiliary groove

[0022] 20—Grinding head; 21—Limiting protrusion; 22—Auxiliary protrusion

[0023] 111—Guide groove; 112—Limiting groove; 211—Support block

[0024] 212—Snap-fit ​​protrusion. Detailed Implementation

[0025] The embodiments of this utility model are described in detail below, with examples of the embodiments shown in the appendix. Figures 1-4 As shown, the same or similar reference numerals throughout denote the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain embodiments of the present invention, and should not be construed as limiting the present invention.

[0026] In the description of the embodiments of this utility model, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing the embodiments of 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.

[0027] In addition, the terms "first", "second", "third", "fourth", "fifth", "sixth", "seventh" and "eighth" are only used for descriptive purpose and cannot be understood as indicating or implying relative importance or implying the number of the technical features indicated. Therefore, the features defined with "first", "second", "third", "fourth", "fifth", "sixth", "seventh" and "eighth" can explicitly or implicitly include one or more of the features. In the description of the embodiments of the present application, the meaning of "a plurality of" is two or more than two, unless otherwise specifically limited.

[0028] In the embodiments of the present application, unless otherwise specifically defined and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication or interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0029] In one embodiment of the present application, as shown in Figures 1-4 A grinding edge tool is provided, which comprises a rotating shaft 10 and a grinding head 20. The rotating shaft 10 is provided with a mounting sliding groove 11, one end of which extends to the end side of the rotating shaft 10. The grinding edge tool is provided with a mounting hole, and a limiting protrusion 21 is arranged on the inner side wall of the mounting hole. The grinding head 20 is sleeved on the rotating shaft 10, and the limiting protrusion 21 is slidably connected with the mounting sliding groove 11.

[0030] The grinding edge tool in the present application is assembled by the rotating shaft 10 and the grinding head 20. The grinding head 20 can be freely disassembled and replaced. The mounting sliding groove 11 is formed on the upper surface of the rotating shaft 10, and one end of the mounting sliding groove 11 extends to the end side of the rotating shaft 10. A mounting hole is formed on the grinding head 20, and a limiting protrusion 21 is arranged on the inner side wall of the mounting hole for clamping with the mounting sliding groove 11. During assembly, the end of the rotating shaft 10 penetrated by the mounting sliding groove 11 is inserted into the mounting hole, and the limiting protrusion 21 is aligned with the mounting sliding groove 11 and inserted, so that the grinding head 20 is clamped with the rotating shaft 10. Through the above structure, the grinding head 20 in the present application can be easily replaced according to the requirements.

[0031] In another embodiment of the present application, as shown in Figures 1-2 and Figure 4As shown, the mounting sliding groove 11 comprises a guide groove 111 and a limiting groove 112, the extension path of the guide groove 111 is arranged in parallel with the central axis of the rotating shaft 10, the limiting groove 112 is arranged close to the end of the rotating shaft 10, and the limiting groove 112 is arranged along the path around the outer side surface of the rotating shaft 10, one end of the limiting groove 112 is communicated with the side surface of the guide groove 111, the limiting protrusion 21 is slidably connected with the guide groove 111, the limiting protrusion 21 can be clamped with the limiting groove 112, the limiting protrusion 21 is guided to enter by the guide groove 111, so that the edging head 20 is moved to the set position, then the edging head 20 is rotated, the limiting protrusion 21 enters the limiting groove 112 and is clamped with each other, and the extension direction of the limiting groove 112 is arranged in the opposite direction of the rotating direction of the rotating shaft 10, so that the edging head 20 cannot be loosened due to long-term inertial force during the rotation of the rotating shaft 10.

[0032] As shown in another embodiment of the utility model, Figures 1-2 and Figure 4 As shown, the bottom surfaces of the guide groove 111 and the limiting groove 112 are arranged as curved surfaces around the central axis of the rotating shaft 10, and the bottom surface of the guide groove 111 and the bottom surface of the limiting groove 112 are located on the same curved surface, so that the limiting protrusion 21 is not blocked during the rotation of the edging head 20.

[0033] As shown in another embodiment of the utility model, Figures 1-3 As shown, the limiting protrusion 21 comprises a supporting block 2 and two clamping protrusions 212, the limiting protrusion 21 is arranged on the inner side wall of the mounting hole, the bottom surface of the limiting protrusion 21 is arranged as a curved surface, the bottom surface of the supporting block 2 is arranged close to the bottom surfaces of the guide groove 111 and the limiting groove 112, the two clamping protrusions 212 are arranged on the two non-adjacent side surfaces of the limiting protrusion 21 respectively, and the two clamping protrusions 212 can abut against the two inner side walls of the limiting groove 112 respectively, the limiting protrusion 21 is positioned and assembled by being clamped with the limiting groove 112 through the clamping protrusions 212, and the supporting block 2 guides the assembly of the edging head 20 by being slidably connected with the guide groove 111.

[0034] As shown in another embodiment of the utility model, Figures 1-3 As shown, the bottom of the clamping protrusion 212 and the bottom of the supporting block 2 are located on the same curved surface, so that the connection stability of the bottom interface is further ensured, and the loosening is not easily caused.

[0035] As shown in another embodiment of the utility model, Figures 1-3 As shown, the top surface of the clamping protrusion 212 is arranged as a curved surface, one end of the top surface of the clamping protrusion 212 is connected with the bottom surface of the clamping protrusion 212, and the other end of the top surface of the clamping protrusion 212 is arranged in a curved manner away from the bottom surface of the clamping protrusion 212, so that the narrow surface of the clamping protrusion 212 is entered, the end is clamped after rotation, and vice versa, the clamping protrusion 212 is separated from the limiting groove 112.

[0036] In another embodiment of the present application, as shown in Figures 1-2 Two positioning protrusions are arranged on the limiting groove 112, and the two positioning protrusions are respectively arranged on the inner side surfaces of the limiting groove 112, and the two positioning protrusions are located at the top opening of the limiting groove 112, the top plane of the positioning protrusion is flush with the outer side surface of the rotating shaft 10, and the clamping protrusion 212 is limited by the positioning protrusion and the bottom surface of the limiting groove 112.

[0037] In another embodiment of the present application, as shown in Figures 1-2 and Figure 4 A plurality of auxiliary grooves 12 are arranged on the outer side surface of the rotating shaft 10, each auxiliary groove 12 is arranged around the rotating shaft 10, and each auxiliary groove 12 is in communication with the guide groove 111, and the assembly of the edge grinding head 20 is matched by the auxiliary groove 12.

[0038] In another embodiment of the present application, as shown in Figures 1-2 A plurality of auxiliary protrusions 22 are arranged on the inner side wall of the mounting hole, each auxiliary protrusion 22 is slidably connected with each auxiliary groove 12, and the clamping between the auxiliary protrusion 22 and the auxiliary groove 12 can reinforce the stability of the assembly of the edge grinding head 20.

[0039] The above is only a preferred embodiment of the present application, and is not intended to limit the present application, and any modification, equivalent replacement and improvement within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. An edging bit, characterized by: The application relates to a grinding head mounting structure, which comprises a rotating shaft and a grinding head, the rotating shaft is provided with a mounting sliding groove, the mounting sliding groove extends to the side of the end of the rotating shaft, the grinding head is provided with a mounting hole, a limiting protrusion is arranged on the inner side wall of the mounting hole, the grinding head is sleeved on the rotating shaft, and the limiting protrusion is slidably connected with the mounting sliding groove.

2. The edging bit of claim 1, wherein: The mounting sliding groove comprises a guide groove and a limiting groove, the extension path of the guide groove is arranged in parallel with the central axis of the rotating shaft, the limiting groove is arranged close to the end of the rotating shaft, the limiting groove extends along the path around the outer side of the rotating shaft, one end of the limiting groove is communicated with the side of the guide groove, the limiting protrusion is slidably connected with the guide groove, and the limiting protrusion can be clamped with the limiting groove.

3. The edging bit of claim 2, wherein: The bottom surfaces of the guide groove and the limiting groove are arranged in curved surfaces around the central axis of the rotating shaft, and the bottom surfaces of the guide groove and the limiting groove are located on the same curved surface.

4. An edging tool bit according to claim 3, characterised in that: The limiting protrusion comprises a supporting block and two clamping protrusions, the limiting protrusion is arranged on the inner side wall of the mounting hole, the bottom surface of the supporting block is arranged close to the bottom surfaces of the guide groove and the limiting groove, the two clamping protrusions are arranged on two non-adjacent sides of the limiting protrusion respectively, and the two clamping protrusions can be respectively abutted with the two inner side walls of the limiting groove.

5. The edging bit of claim 4, wherein: The bottom of the clamping protrusion is located on the same curved surface with the bottom of the supporting block.

6. The edging bit of claim 4, wherein: The top surface of the clamping protrusion is arranged in a curved surface, one end of the top surface of the clamping protrusion is connected with the bottom surface of the clamping protrusion, and the other end of the top surface of the clamping protrusion is arranged in a curved surface away from the bottom surface of the clamping protrusion.

7. The edging bit of claim 2, wherein: The limiting groove is provided with two positioning protrusions, the two positioning protrusions are arranged on two opposite inner side walls of the limiting groove respectively, and the two positioning protrusions are located at the top opening of the limiting groove.

8. The edging bit of claim 2, wherein: The outer side of the rotating shaft is provided with a plurality of auxiliary grooves at intervals, each auxiliary groove is arranged around the rotating shaft, and each auxiliary groove is communicated with the guide groove.

9. The edging tool bit of claim 8, wherein: The inner side wall of the mounting hole is provided with a plurality of auxiliary protrusions at intervals, each auxiliary protrusion is slidably connected with each auxiliary groove.