CN215281564U

CN215281564U - Diamond grinding wheel with blind hole working layer

Info

Publication number: CN215281564U
Application number: CN202120658132.9U
Authority: CN
Inventors: 张科; 陈欣; 谭扬波
Original assignee: Zhuhai Strength Diamond Tools Manufacture Co ltd
Current assignee: Zhuhai Strength Diamond Tools Manufacture Co ltd
Priority date: 2021-03-31
Filing date: 2021-03-31
Publication date: 2021-12-24
Anticipated expiration: 2031-03-31

Abstract

The utility model belongs to the technical field of diamond-impregnated wheel, especially, diamond-impregnated wheel for blind hole working layer, including the diamond-impregnated wheel body, the diamond-impregnated wheel body is including the base member, central through-hole has been seted up in the front of base member, the outer wall fixedly connected with blind hole working layer of base member, the blind hole has been seted up in the front of blind hole working layer. The working layer blind hole increases the cutting edge of the abrasive working layer, intermittent grinding is realized, the grinding efficiency of the grinding tool can be effectively improved, the heat dissipation powder discharge performance of the grinding tool is increased, and the practicability and the using effect are further improved.

Description

Diamond grinding wheel with blind hole working layer

Technical Field

The utility model relates to a diamond-impregnated wheel technical field, concretely relates to diamond-impregnated wheel of blind hole working layer.

Background

The grinding tool is a general name of abrasive products used for grinding, polishing and other operations, and is divided into a common abrasive tool and a superhard abrasive tool according to different used abrasives, and a diamond grinding wheel belongs to one of the superhard abrasive tools, is suitable for plane grinding processing of surfaces of various ceramic materials, and is mainly applied to grinding processing of various hard and brittle materials such as ceramics, glass, hard alloy and the like. The existing working layer of the diamond grinding wheel is generally divided into a whole ring and a tooth form (full tooth, half tooth, special tooth and the like).

However, the existing diamond-impregnated wheel has the following disadvantages:

1. the whole-ring working layer grinding wheel is high in mechanical strength, but because the diamond working layer is not provided with a heat dissipation and powder discharge structure, powder and grinding heat generated during grinding of various hard and brittle materials cannot be timely released, the grinding powder can also perform ineffective grinding on a matrix of the diamond working layer when heat is accumulated, the grinding wheel working layer is easily burnt out, the loss of the grinding wheel is accelerated, and the grinding effect is poor.

2. The grinding wheel with the tooth-shaped working layer can well solve the problem that the grinding wheel dissipates heat and discharges powder when various hard and brittle materials are processed, meanwhile, due to the design of the tooth-shaped working layer, intermittent grinding of the grinding wheel can be achieved, the processing efficiency of the grinding wheel is improved, however, the mechanical strength of the diamond working layer of the grinding wheel is reduced due to the structural design, the working teeth are prone to cracking and falling in the using process, and great safety risks exist.

SUMMERY OF THE UTILITY MODEL

For solving the problem that exists among the above-mentioned background art, the utility model provides a diamond-impregnated wheel of blind hole working layer has the characteristics that grinding performance is good and mechanical strength is high.

In order to achieve the above object, the utility model provides a following technical scheme: diamond grinding wheel of blind hole working layer, including the diamond grinding wheel body, the diamond grinding wheel body is including the base member, central through-hole has been seted up in the front of base member, the outer wall fixedly connected with blind hole working layer of base member, the blind hole has been seted up in the front of blind hole working layer, center on the base member be equipped with the fixed screw hole on the central through-hole circumference.

In order to ensure that the blind hole working layer has high mechanical strength, the blind hole working layer and the base body are integrally formed by hot-pressing and sintering.

In order to achieve the effects of heat dissipation and powder discharge during grinding operation, the blind holes are elliptical blind holes or irregular blind holes (including regular shapes such as round holes, square holes, triangular holes and the like), and the blind holes are single-ring blind holes or multi-ring blind holes.

In order to achieve the effects of heat dissipation and powder discharge during grinding operation, the number of the elliptical blind holes is one hundred and eighty, every six elliptical blind holes form a group, and thirty groups of elliptical blind holes are annularly and equidistantly distributed on the front surface of the blind hole working layer.

For easier processing, the blind holes are directed through the base body, and since the working layer is in integral surface contact with the base body, the through holes are closed by the base body and can be regarded as blind holes.

In order to improve the grinding effect, the working surface of the blind hole working layer is fixedly provided with six first diamond cutter rings and six second diamond cutter rings in a staggered manner, and the six first diamond cutter rings are annularly and equidistantly distributed on the lower part of the working surface of the blind hole working layer close to the substrate.

In order to further improve the grinding effect, the number of the second diamond cutter rings is six, and the six second diamond cutter rings (106) are annularly and equidistantly distributed on the upper part of the working surface of the blind hole working layer (103).

Compared with the prior art, the beneficial effects of the utility model are that:

1. when the surfaces of various ceramic materials need to be subjected to plane grinding processing, the diamond grinding wheel body is arranged on a grinding tool through the central through hole, then the grinding ring drives the first diamond cutter ring and the second diamond cutter ring to carry out grinding operation, the purpose of good grinding effect can be achieved, the reasonability and the firmness of the structure are improved, sufficient and effective grinding operation can be carried out when the diamond grinding wheel body is used for carrying out plane grinding processing on the surfaces of various ceramic materials, the grinding efficiency and the effect of the materials are improved, the intermittent grinding capacity and the sharpness are improved, the practicability and the use effect are further improved (compared with an integral ring grinding wheel, the chip removal and heat dissipation functions of a blind hole grinding wheel are obviously improved, and the use performance is greatly improved);

2. when the surface of various ceramic materials needs to be subjected to plane grinding processing, heat generated during grinding operation is discharged through the elliptical blind holes, and meanwhile, scraps and dust generated during grinding operation can be discharged, so that the using effect and the service life of the diamond grinding wheel body can be guaranteed to a certain extent, and unnecessary economic loss is reduced (compared with a toothed grinding wheel, the mechanical property of the blind hole grinding wheel is more stable).

In conclusion, the diamond grinding wheel of the blind hole working layer has the characteristics of good grinding effect, mechanical strength and safety performance.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is an overall structure diagram of the present invention;

fig. 2 is a side view of the present invention;

fig. 3 is a side view of the optimized embodiment of the invention.

In the figure, 1, a diamond-impregnated wheel body; 100. fixing screw holes; 101. a substrate; 102. a central through hole; 103. a blind hole working layer; 104. an elliptical blind hole; 105. a first diamond cutter ring; 106. a second diamond cutter ring.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-3, the present invention provides the following technical solutions: a diamond grinding wheel with a blind hole working layer comprises a diamond grinding wheel body 1, wherein the diamond grinding wheel body 1 comprises a base body 101, a central through hole 102 is formed in the front surface of the base body 101, the blind hole working layer 103 is fixedly connected to the outer wall of the base body 101, an elliptical blind hole 104 is formed in the front surface of the blind hole working layer 103, and a fixing screw hole 100 is formed in the base body 101 around the circumference of the central through hole 102;

the blind hole working layer 103 and the base body 101 are integrally formed through hot pressing and sintering, or are formed through bonding and welding, or are installed in an interference fit mode.

The working layer binder types in this embodiment include three types, metal, resin, and ceramic.

In this embodiment: when the surfaces of various ceramic (hard and brittle) materials need to be ground, the diamond grinding wheel body 1 is arranged on a grinding rotating shaft through the central through hole 102 and is fixed through the screws on the fixed screw holes 100, then the first diamond cutter ring 105 and the second diamond cutter ring 106 rotate along with the blind hole working layer 103 to grind ceramic workpieces, the purpose of good grinding effect can be achieved, the reasonability and firmness of the structure are improved, full and effective grinding operation can be carried out when the diamond grinding wheel is used for carrying out plane grinding processing on the surfaces of various ceramic materials, the grinding efficiency and the grinding effect of the materials are improved, the intermittent grinding capacity and the sharpness are improved, and the practicability and the using effect are further improved;

when the surface of various ceramic materials is required to be subjected to plane grinding processing, heat generated during grinding operation is discharged through the elliptical blind hole 104, and meanwhile, scraps and dust generated during grinding operation can be discharged, so that the using effect and the service life of the diamond-impregnated wheel body 1 can be guaranteed to a certain extent, and unnecessary economic loss is reduced.

As a technical optimization scheme of the utility model, blind hole working layer 103 and base member 101 hot pressing integrated sintering shaping.

In this embodiment: the installation and connection of the blind hole working layer 103 are facilitated through the arranged base body 101.

As a technical optimization scheme of the utility model, the quantity of oval blind hole 104 is one hundred eighty, and per six oval blind holes 104 are a set of, and thirty oval blind holes 104 of group are the front that the annular equidistance distributes at blind hole working layer 103.

In this embodiment: the oval blind hole 104 can achieve the effects of heat dissipation and powder discharge during grinding operation.

As a technical optimization scheme of the utility model, the quantity of first diamond sword ring 105 is six, and six first diamond sword rings 105 are the front that the annular equidistance distributes at grinding ring 105.

In this embodiment: the grinding effect can be improved by the first diamond cutter ring 105.

As a technical optimization scheme of the utility model, the quantity of second diamond sword ring 106 is six, and six second diamond sword rings 106 are the front that the annular equidistance distributes at grinding ring 105.

In this embodiment: the grinding effect can be further improved by the provision of the second diamond cutter ring 106.

The utility model discloses a theory of operation and use flow: when the surfaces of various ceramic materials need to be subjected to plane grinding processing, the diamond-impregnated wheel body 1 is installed on a corresponding grinding tool through the central through hole 102, then the grinding tool is started to drive the diamond-impregnated wheel body 1 to rotate, then the grinding ring 105 drives the first diamond cutter ring 105 and the second diamond cutter ring 106 to carry out grinding operation, and impurities such as heat, dust and the like generated during grinding are discharged through the oval blind hole 104 on the blind hole working layer 103.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a diamond-impregnated wheel of blind hole working layer, includes diamond-impregnated wheel body (1), its characterized in that: diamond-impregnated wheel body (1) is including base member (101), central through-hole (102) have been seted up in the front of base member (101), outer wall fixedly connected with blind hole working layer (103) of base member (101), the blind hole has been seted up in the front of blind hole working layer (103), center on base member (101) be equipped with fixed screw hole (100) on central through-hole (102) circumference.

2. The diamond-impregnated wheel with a blind working layer according to claim 1, wherein: the blind holes are oval blind holes (104), and the blind holes are single-ring blind holes or multi-ring blind holes.

3. The diamond-impregnated wheel with a blind working layer according to claim 2, wherein: the elliptical blind holes (104) are regularly and evenly distributed or irregularly distributed on the front surface of the blind hole working layer (103).

4. The diamond-impregnated wheel with a blind working layer according to claim 1, wherein: the blind hole penetrates through the base body (101).

5. The diamond-impregnated wheel with a blind working layer according to claim 1, wherein: the working surface of the blind hole working layer (103) is fixedly provided with six first diamond cutter rings (105) and six second diamond cutter rings (106) in a staggered mode, and the six first diamond cutter rings (105) are annularly and equidistantly distributed on the lower portion, close to the base body (101), of the working surface of the blind hole working layer (103).

6. The diamond-impregnated wheel with a blind working layer according to claim 5, wherein: the number of the second diamond cutter rings (106) is six, and the six second diamond cutter rings (106) are annularly and equidistantly distributed on the upper part of the working surface of the blind hole working layer (103).