Novel diamond edge grinding wheel

Abstract

The utility model relates to the technical field of grinding tools, in particular to a novel diamond edge grinding wheel which comprises an edge grinding base body and edge grinding blocks installed on the edge grinding base body in a surrounding mode. The edge grinding block comprises a diamond tool bit, the diamond tool bit is directly sintered on a metal sheet, and the upper surface of the diamond tool bit is flush, so that the impact strength is enhanced, and the service life of the edge grinding wheel is prolonged; a dovetail screw penetrates through the metal sheet, the tail end of the dovetail screw is embedded into the diamond tool bit, stability and safety of connection of the diamond tool bit and the metal sheet in the working process are guaranteed, the front end of the dovetail screw is fixedly connected with the edge grinding base body, and the diamond tool bit, the metal sheet and the edge grinding base body are fastened through a screw dovetail. The edge grinding wheel can be repeatedly used by replacing a tool bit, the production cost is reduced, a mounting gap exists between every two adjacent edge grinding blocks, chip removal is conducted through the mounting gaps, and the use requirement is met.

Description

Technical Field

[0001] The utility model relates to the technical field of abrasive tools, in particular to a new type of diamond edging wheel. Background Art

[0002] An edging wheel is a kind of abrasive tool, usually made by hot pressing and sintering diamond abrasive and metal powder, and is widely used in the fields of building ceramics, stone materials, etc. At present, with the market depression and the continuous increase of raw material and labor costs, abrasive tool manufacturers have no profit to make, and product upgrading and iteration are imperative.

[0003] In the prior art, after the diamond abrasive and metal powder are configured and sintered into a block, they are directly welded to the edging base, and the workpiece to be ground is ground. However, during the welding and forming process of this edging wheel, the diamond cutting head generates thermal expansion and high-temperature carbonization damage, the grinding efficiency is low, and the edging base is deformed by heat, requiring secondary processing for leveling; at the same time, during use, the connection between the diamond cutting head and the edging base is not stable, which is prone to safety hazards. Summary of the Utility Model

[0004] In order to improve the problems of the edging wheel in the prior art during use, the utility model provides a new type of diamond edging wheel.

[0005] The new type of diamond edging wheel provided by the utility model adopts the following technical scheme:

[0006] A new type of diamond edging wheel includes an edging base and an edging block installed around the edging base; the edging block includes a diamond cutting head, the diamond cutting head is sintered on a metal sheet, a dovetail screw penetrates through the metal sheet, the tail end of the dovetail screw is embedded in the diamond cutting head, and the front end of the dovetail screw is fixedly connected to the edging base. The diamond cutting head, the metal sheet and the edging base are fastened by the dovetail screw, avoiding the thermal expansion and high-temperature carbonization damage of the diamond cutting head during welding, and at the same time avoiding the adverse situation of the price increase of welding materials and solders in the welding process. The edging wheel can replace the cutting head for repeated use, thereby reducing the production cost.

[0007] Preferably, a countersunk hole is formed around the edge of the edging base, the front end of the dovetail screw penetrates through the countersunk hole and is fastened in cooperation with a nut, and a fastening groove for accommodating the nut is arranged in the countersunk hole.

[0008] Preferably, there are two or more dovetail screws arranged on a single metal sheet, and the countersunk holes correspond to the installation positions and numbers of the dovetail screws.

[0009] Preferably, a gasket is arranged on the side of the nut facing the fastening groove, and the upper surface of the diamond cutting head is flush.

[0010] Preferably, the edge grinding blocks are circumferentially mounted on the upper edge of the edge grinding base body, and there is an installation gap between adjacent edge grinding blocks for chip removal.

[0011] Preferably, a plurality of mounting holes are provided in the edge grinding base body, and the mounting holes are uniformly arranged around the axis.

[0012] Preferably, the upper surface of the diamond cutting head is inclined outward, and the inclination angle ranges from 30° to 60°. Using the edge-opening process, the upper surface of the diamond cutting head is shaped by a sintering mold to obtain the required shape, saving time and consumables to achieve the purpose of cost reduction.

[0013] In summary, the utility model has the following beneficial technical effects:

[0014] In the utility model, the diamond cutting head is directly sintered onto the metal sheet, and the dovetail structure at the tail end of the dovetail screw is embedded into the diamond cutting head to ensure the stability and safety of the connection between the diamond cutting head and the metal sheet during the working process; the diamond cutting head and the metal sheet are positioned by dovetail screws and circumferentially mounted on the edge grinding base body, the edge grinding base body will not be damaged by heat, and the installation gap is used for chip removal to meet the use requirements. The dovetail screws cooperate with nuts and gaskets to ensure that the upper surface of the diamond cutting head is flush. In the initial state, the diamond cutting head will not collide with the workpiece to be ground, enhancing the impact resistance and extending the service life of the edge grinding wheel. Description of the Drawings

[0015] Figure 1 is the overall structural schematic diagram of a new type of diamond edge grinding wheel according to Embodiment 1 of the utility model;

[0016] Figure 2 is the connection schematic diagram of the edge grinding block and the edge grinding base body according to Embodiment 1 of the utility model;

[0017] Figure 3 is the perspective view of the structure of the edge grinding block according to Embodiment 1 of the utility model;

[0018] Figure 4 is the overall structural schematic diagram of a new type of diamond edge grinding wheel according to Embodiment 2 of the utility model;

[0019] Figure 5 is the connection schematic diagram of the edge grinding block and the edge grinding base body according to Embodiment 2 of the utility model.

[0020] Description of the reference numerals: 1. Edge grinding base body; 2. Edge grinding block; 3. Diamond cutting head; 4. Metal sheet; 5. Dovetail screw; 6. Countersunk hole; 7. Nut; 8. Fastening groove; 9. Gasket; 10. Installation gap; 11. Mounting hole; 12. Through hole; 13. Convex ring structure. Detailed Description of the Invention

[0021] The following is combined withFigures 1-5 A further detailed description of the present utility model will be given below.

[0022] Embodiment 1 of the utility model discloses a new type of diamond edging wheel.

[0023] Referring to Figure 1 、 Figure 2 、 Figure 3 A new type of diamond edging wheel includes an edging base body 1 and edging blocks 2 circumferentially installed on the edging base body 1; the edging blocks 2 include diamond cutting heads 3, the diamond cutting heads 3 are sintered on a metal sheet 4, and the metal sheet 4 is arc-shaped; a dovetail screw 5 penetrates through the metal sheet 4, the tail end of the dovetail screw 5 is embedded in the diamond cutting head 3, and the front end of the dovetail screw 5 is fixedly connected to the edging base body 1. The diamond cutting head 3 is directly sintered onto the metal sheet 4, and the dovetail structure at the tail end of the dovetail screw 5 is embedded in the diamond cutting head 3 to ensure the stability and safety of the connection between the diamond cutting head 3 and the metal sheet 4 during the working process.

[0024] Referring to Figure 2 A through hole 12 is provided on the metal sheet 4, and a convex ring structure 13 is provided in the middle section of the dovetail screw 5, which is in contact and fastened with the inner side of the through hole 12 on the metal sheet 4. The cross sections of the convex ring structure 13 and the through hole 12 are rectangular.

[0025] Referring to Figure 2 A countersunk hole 6 is circumferentially formed at the edge of the edging base body 1. The front end of the dovetail screw 5 penetrates through the countersunk hole 6 and is fastened in cooperation with a nut 7. A fastening groove 8 for accommodating the nut 7 is provided in the countersunk hole 6.

[0026] Referring to Figure 2 Two or more dovetail screws 5 are provided on a single metal sheet 4, and the countersunk holes 6 correspond to the installation positions and quantities of the dovetail screws 5.

[0027] Referring to Figure 2 A gasket 9 is provided on one side of the nut 7 facing the fastening groove 8, and the upper surfaces of the diamond cutting heads 3 are flush. In the initial state, the diamond cutting heads 3 will not collide with the workpiece to be ground, enhancing the impact resistance and extending the service life of the edging wheel.

[0028] Referring to Figure 1 、 Figure 2 The edging blocks 2 are circumferentially installed on the upper edge of the edging base body 1, and there is an installation gap 10 between adjacent two edging blocks 2. The installation gap 10 discharges debris during the working process.

[0029] Referring to Figure 1 A plurality of installation holes 11 are formed on the edging base body 1, and the installation holes 11 are evenly arranged around the axis. The edging wheel is fixedly installed on the output shaft of the motor through the installation holes 11, and the motor drives the edging wheel to rotate.

[0030] Referring toFigure 2 , Figure 3 , the upper surface of the diamond bit 3 is inclined outward, and the inclination angle ranges from 30° to 60°. Using the edge-opening process, the upper surface of the diamond bit 3 is shaped by a sintering mold. The inclination of the upper surface of the diamond bit 3 enables the diamond bit 3 to quickly fit with the workpiece to be ground and enter the working state when in use.

[0031] The implementation principle of a new type of diamond grinding wheel in Embodiment 1 of the utility model is as follows: Drill holes in the metal sheet 4 and penetrate the dovetail screw 5. Mix diamond abrasive and resin powder and hot-press and sinter them on the arc-shaped metal sheet 4 through a mold. The dovetail structure at the tail end of the dovetail screw 5 is embedded in the diamond bit 3. Use the dovetail screw 5 to install the grinding block 2 around the edge of the grinding matrix 1 to ensure that the upper surface of the diamond bit 3 is flush. Install the grinding wheel on the output shaft of the motor, and the grinding wheel rotates to grind the workpiece to be ground. The chips generated by grinding are discharged through the installation gap.

[0032] Based on Embodiment 1 of the utility model, Embodiment 2 of the utility model discloses a new type of diamond grinding wheel.

[0033] Refer to Figure 4 , Figure 5 , a new type of diamond grinding wheel, including a grinding matrix 1 and an annular grinding block 2 installed on the grinding matrix 1; the grinding block 2 includes a diamond bit 3, the diamond bit 3 is sintered on a metal sheet 4, the metal sheet 4 is annular, and a dovetail screw 5 penetrates through the metal sheet 4. The tail end of the dovetail screw 5 is embedded in the diamond bit 3, and the front end of the dovetail screw 5 is fixedly connected to the grinding matrix 1. The diamond bit 3 is directly sintered onto the metal sheet 4, and the dovetail structure at the tail end of the dovetail screw 5 is embedded in the diamond bit 3 to ensure the stability and safety of the connection between the diamond bit 3 and the metal sheet 4 during the working process.

[0034] Refer to Figure 4 , Figure 5 , a through hole 12 is provided on the metal sheet 4, and a convex ring structure 13 is provided in the middle section of the dovetail screw 5, which is in contact and fastened with the inner side of the through hole 12 on the metal sheet 4. The cross-section of the convex ring structure 13 is stepped.

[0035] The implementation principle of a new type of diamond grinding wheel in Embodiment 2 of the utility model is as follows: Embodiment 2 of the utility model uses an annular grinding block 2 installed on the grinding matrix 1, which further avoids the bump damage caused by the slight height difference when multiple arc-shaped grinding blocks 2 are installed on the grinding matrix 1; a stepped structure is provided in the middle section of the dovetail screw 5, so that the installation of the metal sheet 4 and the grinding matrix 1 is more compact.

[0036] The above are all the preferred embodiments of the present utility model, and the protection scope of the present utility model is not limited thereby. Therefore, all equivalent changes made according to the structure, shape, and principle of the present utility model shall be covered within the protection scope of the present utility model.

Claims

1. A new type of diamond grinding wheel, characterized by: The invention comprises an edge grinding base (1) and an edge grinding block (2) mounted around the edge grinding base (1); the edge grinding block (2) comprises a diamond bit (3), the diamond bit (3) is sintered on a metal sheet (4), a dovetail screw (5) passes through the metal sheet (4), the tail end of the dovetail screw (5) is embedded in the diamond bit (3), and the front end of the dovetail screw (5) is fixedly connected to the edge grinding base (1).

2. The novel diamond edge grinding wheel according to claim 1, characterized in that: A countersunk hole (6) is provided around the edge of the edge grinding base (1); the front end of the dovetail screw (5) passes through the countersunk hole (6) and is fastened with the nut (7); and a fastening groove (8) for accommodating the nut (7) is provided in the countersunk hole (6).

3. The novel diamond squaring wheel according to claim 2, characterized in that: More than two dovetail screws (5) are provided on the single metal sheet (4), and the countersunk holes (6) correspond to the installation positions and numbers of the dovetail screws (5).

4. The novel diamond squaring wheel according to claim 2, characterized in that: A gasket (9) is provided on the side of the nut (7) facing the fastening groove (8), and the upper surface of the diamond bit (3) is flush.

5. The novel diamond squaring wheel according to claim 1, characterized in that: The edge grinding blocks (2) are mounted around the upper edge of the edge grinding base (1), and a mounting gap (10) exists between two adjacent edge grinding blocks (2).

6. The novel diamond squaring wheel according to claim 1, characterized in that: The edge grinding base (1) is provided with a plurality of mounting holes (11), and the mounting holes (11) are evenly arranged around the axis.

7. The novel diamond squaring wheel according to claim 1, characterized in that: The upper surface of the diamond bit (3) is tilted outwards, with the tilt angle ranging from 30° to 60°.

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