CN216299022U

CN216299022U - Ultra-wide combined chamfering grinding wheel

Info

Publication number: CN216299022U
Application number: CN202122665149.XU
Authority: CN
Inventors: 叶舟; 王存邦; 董小敏; 吴胜
Original assignee: Superhard Materials Research Institute Of East China Metallurgical Geological Exploration Bureau
Current assignee: Maanshan Huadong Superhard Material Co ltd; Superhard Materials Research Institute Of East China Metallurgical Geological Exploration Bureau
Priority date: 2021-11-01
Filing date: 2021-11-01
Publication date: 2022-04-15
Anticipated expiration: 2031-11-01

Abstract

The utility model discloses an ultra-wide combined chamfering grinding wheel, and belongs to the technical field of grinding wheels. This emery wheel includes: the polishing device comprises a first base body, a second base body and a polishing head, wherein the first base body is provided with a first annular polishing body with an inclination angle of 105-135 degrees, a first mounting surface of the first base body is provided with a concave platform, and the concave platforms are provided with first counter bores; the second base body is provided with a second annular grinding body with an inclination angle of 105-135 degrees, a convex platform is arranged on a second mounting surface of the second base body, and second counter bores are arranged on the convex platforms; the first base body and the second base body are sleeved on the shaft sleeve; the fixing pins are arranged in the first counter bore and the second counter bore; and the annular fixing sleeve is sleeved on the first base body and the second base body. The defect that traditional combined grinding wheels need to be connected through bolts is overcome, product scrapping or shape change caused by errors in use are avoided, the hidden design of the combined structure is achieved through the fixed pin, and the product is more attractive in appearance while the function is guaranteed.

Description

Ultra-wide combined chamfering grinding wheel

Technical Field

The utility model belongs to the technical field of grinding wheels, and particularly relates to an ultra-wide combined chamfering grinding wheel.

Background

The grinding wheel is also called a consolidation grinding tool, and is a consolidation grinding tool which is formed by consolidating common grinding materials into a certain shape (mostly circular, with a through hole in the center) by a bonding agent and has certain strength. It is generally composed of abrasive, bond and air holes, which are often referred to as the three elements of a bonded abrasive tool. According to different classes of binders, ceramic (binder) grinding wheels, resin (binder) grinding wheels, and rubber (binder) grinding wheels are common. The grinding wheel is the one with the largest use amount and the widest use range in the grinding tool, rotates at high speed when in use, and can perform coarse grinding, semi-fine grinding, slotting, cutting and the like on the excircle, the inner circle, the plane, various molded surfaces and the like of a metal or nonmetal workpiece. The properties of the grinding wheel are mainly determined by the factors of abrasive, granularity, bonding agent, hardness, texture, shape, size and the like. At present, most manufacturers adopt chamfering grinding wheels to chamfer products to be ground, the outer base body and the inner base body of the chamfering grinding wheel in the prior art are fixedly connected through bolts, and the bolts are easily damaged in the using process, so that the whole chamfering grinding wheel cannot be used.

In order to solve the above problems, through retrieval, chinese patent CN212527330U discloses an automobile drum brake pad edging and chamfering combined grinding wheel, wherein a cylindrical body protruding outwards is arranged at the transverse center of the disc-shaped edging grinding wheel, the cylindrical body can be inserted into a circular hole at the center of the disc-shaped chamfering grinding wheel in an anastomotic manner, the edging grinding wheel and the chamfering grinding wheel are respectively provided with corresponding connecting holes on the disc body, chucks clamped into gaps between inclined edging teeth protruding outwards from the periphery of the edging grinding wheel are distributed around the chamfering grinding wheel, a fixing hole is arranged at the center of the edging grinding wheel, and a pin penetrating groove is arranged at one side of the fixing hole.

For another example, chinese patent CN211136819U discloses a combined chamfering grinding wheel for fine and rough grinding, which includes a metal grinding wheel, the metal grinding wheel is used for rough grinding; the metal grinding wheel and the resin grinding wheel have the outer diameter difference of not more than 0.4 mm; grooves for chamfering are formed in the outer circumferences of the metal grinding wheel and the resin grinding wheel; the centers of the resin grinding wheel and the metal grinding wheel are provided with through holes for penetrating through a rotating shaft for driving the resin grinding wheel and the metal grinding wheel to coaxially rotate; the center of the resin grinding wheel is provided with an annular boss extending outwards in the axial direction, and the end face of the annular boss is abutted against the end face of the resin grinding wheel; the resin grinding wheel is provided with a positioning bulge, and the positioning bulge is arranged on the radial periphery of the annular boss; the metal grinding wheel is provided with a positioning hole for penetrating through the positioning protrusion.

The chamfer grinding wheels disclosed in the above patents are structurally somewhat broken through, but still remain to be improved.

Disclosure of Invention

1. Problems to be solved

Aiming at the technical problems, the utility model provides the ultra-wide combined chamfering grinding wheel which is compact in structure, convenient and quick to assemble and long in service life.

2. Technical scheme

In order to solve the problems, the technical scheme adopted by the utility model is as follows:

the utility model discloses an ultra-wide combined chamfering grinding wheel, which comprises:

the polishing device comprises a first base body, a second base body and a polishing head, wherein the first base body is provided with a first annular polishing body with an inclination angle of 105-135 degrees, a first mounting surface of the first base body is provided with a concave platform, and the concave platforms are provided with first counter bores;

the second base body is provided with a second annular grinding body with an inclination angle of 105-135 degrees, a convex platform is arranged on a second mounting surface of the second base body, and second counter bores are arranged on the convex platforms;

the first base body and the second base body are sleeved on the shaft sleeve;

the fixing pins are arranged in the first counter bore and the second counter bore;

and the annular fixing sleeve is sleeved on the first base body and the second base body.

In one possible embodiment of the present invention, the inclination angle of the first annular polishing body is 120 °, and the inclination angle of the second annular polishing body is 120 °.

In one possible embodiment of the present invention, the material of the fixing pin is the same as the material of the first substrate and the second substrate.

3. Advantageous effects

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

(1) the ultra-wide combined chamfering grinding wheel overcomes the defect that the traditional combined grinding wheel needs to be connected through bolts, avoids product scrapping or shape change caused by errors in use, and due to the design of the fixing pins, the combined structure is hidden, so that the product is more attractive while the function is ensured;

(2) the ultra-wide combined chamfering grinding wheel is simple in structure and easy to manufacture.

Drawings

FIG. 1 is a schematic structural view of an ultra-wide combined chamfering grinding wheel according to the present invention;

FIG. 2 is a front view of an ultra-wide combination chamfer grinding wheel of the present invention;

fig. 3 is an enlarged view of a portion I of fig. 1.

Description of reference numerals:

100. a first substrate; 110. a first annular grinding body; 120. a concave platform; 130. a first counterbore;

200. a second substrate; 210. a second annular grinding body; 220. a convex platform; 230. a second counterbore;

300. a shaft sleeve;

400. a fixing pin;

500. an annular fixing sleeve.

Detailed Description

Exemplary embodiments of the present invention are described in detail below. Although these exemplary embodiments are described in sufficient detail to enable those skilled in the art to practice the utility model, it should be understood that other embodiments may be realized and that various changes to the utility model may be made without departing from the spirit and scope of the present invention. The following more detailed description of the embodiments of the utility model is not intended to limit the scope of the utility model, as claimed, but is presented for purposes of illustration only and not limitation to describe the features and characteristics of the utility model, to set forth the best mode of carrying out the utility model, and to sufficiently enable one skilled in the art to practice the utility model. Accordingly, the scope of the utility model is to be limited only by the following claims.

The following detailed description and example embodiments of the utility model are set forth.

As shown in fig. 1 to 3, the ultra-wide combined chamfering grinding wheel of the present embodiment includes: a first base 100, on which a first annular polishing body 110 with an inclination angle of 105-135 ° is disposed, a concave platform 120 is disposed on a first mounting surface (not labeled in the figure), and each concave platform 120 is provided with a first counter bore 130; a second base 200, on which a second annular polishing body 210 with an inclination angle of 105-135 ° is disposed, a convex platform 220 is disposed on a second mounting surface (not labeled in the figure), and second counter bores 230 are disposed on the convex platforms 220; the first base body 100 and the second base body 200 are sleeved on the shaft sleeve 300; a fixing pin 400 disposed in the first and second counterbores 130 and 230; and an annular fixing sleeve 500 sleeved on the first base body 100 and the second base body 200.

As can be seen in fig. 1, the first and second

annular sanding bodies

110, 210 are symmetrical structures.

The first base 100 and the second base 200 in this embodiment may be made of a material such as cemented carbide, for example, 45 alloy steel, which satisfies the use strength. The first and second

annular polishing bodies

110 and 210 are made of a pressed material such as a diamond powder and a binder.

Wherein, the fixing pin 400 is spacing to first base member 100 and second base member 200 in the circumferential direction, has guaranteed relative position between the two to guarantee the precision of polishing.

Preferably, the first ring-shaped polishing body 110 has an inclination of 120 °, and the second ring-shaped polishing body 210 has an inclination of 120 °.

Further, in the present embodiment, the material of the fixing pin 400 is the same as the material of the first and

second substrates

100 and 200, and is made of a material such as cemented carbide, for example, 45-alloy steel.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many modifications and improvements can be made without departing from the technical principle of the present invention, and these modifications and improvements should also be considered as the protection scope of the present invention.

Claims

1. The utility model provides an ultra-wide combination chamfer emery wheel which characterized in that includes:

the polishing device comprises a first base body (100), a second base body and a polishing head, wherein the first base body (100) is provided with a first annular polishing body (110) with an inclination angle of 105-135 degrees, a concave platform (120) is arranged on a first mounting surface of the first base body, and first counter bores (130) are arranged on the concave platform (120);

the second base body (200) is provided with a second annular grinding body (210) with an inclination angle of 105-135 degrees, a convex platform (220) is arranged on a second mounting surface of the second base body, and second counter bores (230) are arranged on the convex platform (220);

the first base body (100) and the second base body (200) are sleeved on the shaft sleeve (300);

a retaining pin (400) disposed in the first counterbore (130) and the second counterbore (230);

an annular fixing sleeve (500) which is sleeved on the first base body (100) and the second base body (200).

2. The ultra-wide combination chamfer grinding wheel according to claim 1, wherein the angle of inclination of the first annular grinding body (110) is 120 ° and the angle of inclination of the second annular grinding body (210) is 120 °.

3. The ultra-wide combination chamfer grinding wheel according to claim 2, wherein the material of the fixing pin (400) is the same as the material of the first base (100) and the second base (200).