Diamond grinding disc for grinding concrete
By designing a detachable diamond grinding disc body and an arc-shaped structure, the problem of complete scrapping due to partial damage to existing grinding discs has been solved, enabling convenient partial replacement and extending service life, thereby improving grinding efficiency and safety.
Patent Information
- Application Number
- CN202520193067.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-07
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-02-07
AI Technical Summary
If a diamond grinding disc is partially damaged, the entire disc is scrapped, resulting in material waste and making partial replacement impossible.
The diamond grinding disc body is designed for detachable installation, allowing for partial replacement through plug-in and threaded connections. It is also curved along the direction of rotation to improve grinding performance and uses a wear-resistant epoxy resin layer to extend its service life.
It enables convenient replacement in case of localized damage, improves grinding efficiency, reduces noise and chip production, reduces operator hazards, and extends service life.
Smart Images

Figure CN223947692U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to diamond grinding disc technical field, especially relate to a diamond grinding disc for polishing concrete. BACKGROUND
[0002] The professional explanation of diamond grinding disc is the disc type grinding tool for grinding machine, which is composed of disc body and diamond grinding block, and the diamond is welded or inlaid on the disc body, and the working surface is polished by the high-speed rotation of the grinding machine.
[0003] The prior art also has the following shortcomings:
[0004] The diamond finishing block of the prior art is welded or inlaid on the disc body to form a diamond coating, and the working surface is polished by the high-speed rotation of the grinding machine. If there is a problem with such a diamond grinding disc, the entire grinding disc is scrapped, causing extreme waste of materials, and the local position cannot be replaced. UTILITY MODEL CONTENTS
[0005] The utility model provides a diamond grinding disc for polishing concrete, which aims to solve the problem that the diamond finishing block of the prior art is welded or inlaid on the disc body to form a diamond coating, and the working surface is polished by the high-speed rotation of the grinding machine. If there is a problem with such a diamond grinding disc, the entire grinding disc is scrapped, causing extreme waste of materials, and the local position cannot be replaced.
[0006] The utility model is implemented as follows: a diamond grinding disc for polishing concrete comprises a base disc, a plurality of mounting discs are fixedly connected around the base disc, the bottom of each mounting disc is provided with a diamond grinding disc body, each mounting disc is provided with a mounting groove on one side close to the diamond grinding disc body, and each diamond grinding disc body is inserted into the corresponding mounting groove.
[0007] Preferably, a fixing hole is formed on each side of each mounting disc, a positioning column is fixedly connected to the upper end of each side of each diamond grinding disc body, and a fastening sleeve is threadedly connected to the inside of each fixing hole through the two positioning columns.
[0008] Preferably, each mounting disc and each diamond grinding disc body are arc-shaped along the rotation direction.
[0009] Preferably, a plurality of grinding blocks are fixedly connected to the lower end of each diamond grinding disc body.
[0010] Preferably, an axle hole is formed in the middle of the base disc, and a plurality of transmission holes are formed in the circumference of the axle hole on the base disc.
[0011] Preferably, the mounting disc and the diamond grinding disc body are sequentially provided with a base layer, a buffer layer and a wear-resistant layer from inside to outside.
[0012] Compared with the prior art, the embodiment of the application has the following beneficial effects:
[0013] By setting the detachably mounted diamond grinding disc body, the local replacement can be facilitated when the local damage occurs, and the diamond grinding disc body and the mounting disc are arc-shaped along the rotation direction, so that the grinding effect is good, the use noise is small, the chip generation is less, and the harm to the operator is reduced. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 is a bottom view structural schematic diagram of the utility model;
[0015] Figure 2 is a side view structural schematic diagram of the connection between the diamond grinding disc body and the mounting disc of the utility model;
[0016] Figure 3 is a cross-sectional structural schematic diagram of the diamond grinding disc body and the mounting disc of the utility model;
[0017] In the drawing: 1, base disc; 2, shaft hole; 3, transmission hole; 4, mounting disc; 5, mounting groove; 6, diamond grinding disc body; 7, grinding block; 8, positioning column; 9, fixing hole; 10, fastening sleeve; 11, wear-resistant layer; 12, base layer; 13, buffer layer. DETAILED DESCRIPTION
[0018] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description herein is for describing particular embodiments only and is not intended to be limiting of the application; the description and the drawings are to be regarded as illustrative in nature and are not intended to limit the application; the terminology used in the description and the claims of the present application and the above description of the drawings includes the terms specifically mentioned above as well as any equivalents thereof.
[0019] Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are they necessarily mutually exclusive of one another. It is expressly understood that the described embodiments are merely examples from a multitude of embodiments that are of the application. It is appreciated that the embodiments described herein can be combined with other embodiments.
[0020] The utility model embodiment provides a kind of diamond grinding disc for polishing concrete, such as Figures 1-3As shown, including: base disc 1, the four around base disc 1 is fixedly connected with mounting disc 4 respectively;The bottom of several mounting discs 4 is provided with diamond grinding disc body 6;Several mounting discs 4 are close to the side of several diamond grinding disc bodies 6 and are respectively provided with mounting groove 5, and several diamond grinding disc bodies 6 are inserted with several corresponding positions of mounting groove 5.
[0021] It should be noted that, since the prior art diamond dressing block is welded or inlaid on the diamond coating of the disc body, the working surface is implemented by the high-speed rotation of the grinding machine, and the entire grinding disc is scrapped if there is a problem with the diamond grinding disc, which causes material waste and cannot replace the local position, and the diamond grinding disc body 6 is detachably arranged, so that the local position can be replaced when the local position is damaged.
[0022] In further preferred embodiments of the present application, as shown in Figures 1-2 The two sides of the several mounting discs 4 are respectively provided with fixing holes 9, and the upper ends of the two sides of the several diamond grinding disc bodies 6 are respectively fixedly connected with positioning columns 8, and the two positioning columns 8 are respectively screwed into the two fixing holes 9 and are connected with fastening sleeves 10.
[0023] In this embodiment, it is convenient to fix.
[0024] In further preferred embodiments of the present application, as shown in Figure 1 The several mounting discs 4 and the several diamond grinding disc bodies 6 are arc-shaped along the rotation direction.
[0025] In this embodiment, the diamond grinding disc body 6 and the mounting disc 4 are arc-shaped along the rotation direction, and have the advantages of good grinding effect, small use noise, less chip generation and reduced harm to operators.
[0026] In further preferred embodiments of the present application, as shown in Figure 1-2 The lower ends of the several diamond grinding disc bodies 6 are respectively fixedly connected with several grinding blocks 7.
[0027] In this embodiment, the chips can be discharged through the gaps between the several grinding blocks 7, and the base disc 1 is protected to prevent wear.
[0028] In further preferred embodiments of the present application, as shown in Figure 1 The middle of the base disc 1 is provided with a shaft hole 2, and the base disc 1 is provided with several transmission holes 3 along the circumference of the shaft hole 2.
[0029] In this embodiment, the transmission holes 3 are uniformly distributed around the shaft hole 2, and the transmission holes 3 can prevent relative sliding between the motor shaft and the shaft hole 2.
[0030] In further preferred embodiments of the present application, as shown in Figure 3As shown, the mounting disc 4 and the diamond grinding disc body 6 are sequentially provided with a base layer 12, a buffer layer 13 and a wear-resistant layer 11 from inside to outside.
[0031] In the embodiment, preferably, the wear-resistant layer 11 adopts an epoxy resin material, and the epoxy resin layer can well reduce long-term wear of the outer rigid building board and prolong the service life of the diamond grinding disc body 6.
[0032] It should be noted that, for the foregoing embodiments, in order to simply describe, they are all expressed as a series of action combinations, but those skilled in the art should know that the present application is not limited by the described action sequence, because according to the present application, some steps can be performed in other sequences or simultaneously. Secondly, those skilled in the art should know that the embodiments described in the specification all belong to preferred embodiments, and the actions and modules involved are not necessarily required by the present application.
[0033] In several embodiments provided by the present application, it should be understood that the disclosed device can be implemented by other ways. For example, the device embodiments described above are only illustrative, for example, the division of the above units, actual implementation can have another division way, for example, a plurality of units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point, the coupling or communication connection between the displayed or discussed each other can be through some interface, indirect coupling or communication connection between devices or units, which can be electrical or other forms.
[0034] The units described as separate components can or can not be physically separate, and the components shown as units can or can not be physical units, that is, they can be located in one place, or can be distributed on multiple network units. Part or all of the units can be selected to achieve the purpose of the embodiment scheme according to actual needs.
[0035] The above embodiments are only used to illustrate the technical scheme of the present application, and not to limit the protection scope of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments. Based on these embodiments, all other embodiments obtained by those skilled in the art without creative labor belong to the scope to be protected by the present application. Although the present application has been described in detail with reference to the above embodiments, those skilled in the art can still combine, delete or make other adjustments to the features in each embodiment of the present application according to the situation without creative labor, so as to obtain different other technical schemes which do not deviate from the concept of the present application in essence. These technical schemes also belong to the scope to be protected by the present application.
Claims
1. A diamond impregnated concrete polishing disc, characterised in that, Include: The base disc (1), the four around of base disc (1) fixedly connected with installation disc (4) respectively; The bottom of several installation discs (4) is provided with diamond grinding disc body (6); Several installation discs (4) are close to the side of several diamond grinding disc body (6) respectively and are provided with installation groove (5), and several diamond grinding disc body (6) are inserted with several corresponding position installation groove (5).
2. A diamond impregnated concrete grinding disc as claimed in claim 1 wherein, Several installation discs (4) are provided with fixed hole (9) on both sides respectively; Several diamond grinding disc body (6) are provided with positioning column (8) on both sides upper end respectively and are fixedly connected; Two positioning columns (8) are respectively threaded with fastening sleeve (10) through the inside of two fixed holes (9).
3. A diamond impregnated concrete grinding disc as claimed in claim 2 wherein, Several installation discs (4) and several diamond grinding disc body (6) are arc along the rotation direction.
4. A diamond impregnated concrete grinding disc as claimed in claim 2 wherein, The lower end of several diamond grinding disc body (6) is respectively fixedly connected with several grinding block (7).
5. A diamond impregnated concrete polishing disc as claimed in claim 1 wherein, The middle of base disc (1) is provided with shaft hole (2), and the circumference along shaft hole (2) of base disc (1) is provided with several transmission holes (3).
6. A diamond impregnated concrete polishing disc as claimed in claim 2 wherein, The installation disc (4) and the diamond grinding disc body (6) are sequentially provided with base layer (12), buffer layer (13) and wear-resistant layer (11) from inside to outside.