CN215847689U

CN215847689U - Composite structure cup-shaped grinding wheel

Info

Publication number: CN215847689U
Application number: CN202120491390.2U
Authority: CN
Inventors: 宋京新; 梁安宁; 龙慧玲; 郭新玲; 王志勇; 赵亮
Original assignee: Guilin Champion Union Diamond Co Ltd
Current assignee: Guilin Champion Union Diamond Co Ltd
Priority date: 2020-12-30
Filing date: 2021-03-08
Publication date: 2022-02-18
Anticipated expiration: 2031-03-08
Also published as: CN112936119A

Abstract

The utility model relates to a composite structure cup-shaped grinding wheel, which comprises a grinding wheel base body and a diamond working ring fixedly connected on the grinding wheel base body, wherein the diamond working ring comprises a plurality of tooth groups, and the tooth groups are fixedly arranged along the edge of the grinding wheel base body in sequence; and a first composite tooth groove is formed between each tooth group and the adjacent tooth group. Compared with the prior art, the utility model can improve the chip removal function and the cooling function of the diamond working ring, improve the utilization rate of cooling water, strengthen the cooling effect of the cooling water on the inner ring part, improve the intermittent grinding function, weaken the negative effect of through-tooth vibration, improve the grinding efficiency and ensure the quality.

Description

Composite structure cup-shaped grinding wheel

Technical Field

The utility model relates to the technical field of grinding wheels, in particular to a composite-structure cup-shaped grinding wheel.

Background

In the prior art, a cup-shaped edging wheel generally refers to a grinding surface with a width smaller than the diameter of the grinding wheel or smaller than the radius of the grinding wheel, and the existing diamond cup-shaped edging wheels are divided into two categories, namely toothed edging wheels and toothless edging wheels. Toothed grinding wheels, which are commonly provided with: through teeth, internal teeth, external teeth and the like. The through teeth have the function of intermittent grinding and good chip removal, but the water utilization rate is low, and the edge breakage of the processed material is easily caused; the internal teeth have water storage capacity and good cooling effect, but the chip removal capacity is poor; the external teeth have an intermittent grinding function, but have poor cooling capability. When the grinding wheel is high in rotating speed, under the action of the airflow barrier, cooling water is easy to leak and flow out inefficiently from the through tooth groove far away from the grinding surface, the acting proportion on the grinding surface is extremely small, so that the utilization rate of the cooling water is extremely low, the cooling water is easy to collect and flow out from the inner tooth groove close to the outer ring part, and the inner ring part is mainly affected by the cooling of atomized water, namely the adverse effect of relatively insufficient cooling; similar problems as described above are also likely to occur when the grinding wheel ring is wide. When a high-speed and fine-grain grinding tool is used for grinding, the problems are easy to cause burn of a workpiece or the grinding tool, so that the high-quality and high-efficiency grinding is limited, and the development of a grinding technology is limited.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving, at least to some extent, one of the above-mentioned problems in the prior art. Therefore, the utility model aims to provide the composite-structure cup-shaped grinding wheel which can improve the chip removal function and the cooling function, improve the utilization rate of cooling water, uniformly act on a grinding surface, fully utilize the intermittent grinding function, improve the grinding efficiency and quality, inhibit vibration caused by through teeth and be suitable for high-rotation-speed, high-efficiency and fine-grained grinding processes.

The technical scheme for solving the technical problems is as follows: the composite structure cup-shaped grinding wheel comprises a grinding wheel base body and a diamond working ring fixedly connected to the grinding wheel base body, wherein the diamond working ring comprises a plurality of tooth groups, and the tooth groups are fixedly arranged along the edge of the grinding wheel base body in sequence; and a first composite tooth groove is formed between each tooth group and the adjacent tooth group.

The utility model has the beneficial effects that: tooth group sets the advantage of two kinds of structures of internal tooth and external tooth, chip removal function and the cooling function of diamond working ring are improved through first interior tooth's socket and first compound tooth's socket, improve the utilization ratio of cooling water, the cooling effect of cooling water to the inner ring position has been reinforceed, the intermittent grinding function of external tooth has been played simultaneously, tooth group has the complex function of leading to tooth, internal tooth, external tooth concurrently, emery wheel circumference chip removal ability has been improved greatly, and the negative effect of leading to the tooth vibration has been weakened, when reaching the grinding efficiency and improving, the quality also can obtain guaranteeing.

On the basis of the technical scheme, the utility model can be further improved as follows.

Furthermore, a first inner tooth groove or a second composite tooth groove is formed in each tooth group.

The beneficial effect of adopting the further scheme is that: the water storage capacity of the inner tooth grooves is fully utilized, the cooling water can better ensure the water supply of the inner ring part and act on the whole grinding surface in a balanced manner, or the intermittent grinding function of the outer teeth is given into play, so that circumferential rapid chip removal is realized.

Further, every the one end of tooth group all is provided with first tooth piece, every first tooth piece all with the interior subassembly integrated into one piece of tooth group at its place.

The beneficial effect of adopting the further scheme is that: the first tooth blocks are arranged at different radial positions along the diamond working ring, so that the ring width proportion of the cooling water acting on the inner ring part of the diamond working ring can be effectively adjusted.

Furthermore, each tooth group is connected with the adjacent tooth group in an abutting mode through a first tooth block, or a gap is kept between the first tooth block connected with each tooth group and the adjacent tooth group; and a first compound tooth groove is formed between each tooth group and the adjacent tooth group.

The beneficial effect of adopting the further scheme is that: adjacent tooth groups of the first tooth block are connected in an abutting mode to form a supporting structure, so that the rigidity of the grinding wheel ring is enhanced; or the adjacent tooth groups of the first tooth block keep gaps, so that cooling water can act on the external teeth through the gaps, and the external teeth also have the function of a through tooth structure.

Furthermore, a plurality of grooves are formed in the end part, abutted against the adjacent tooth group, of each first tooth block, the grooves are sequentially arranged at intervals, and each first tooth block and the adjacent tooth group form a water gap through the grooves.

The beneficial effect of adopting the further scheme is that: the first tooth block is abutted against the adjacent tooth group corresponding to the tooth head between the two adjacent grooves, and the tooth head forms a supporting structure to enhance the connecting strength between the two adjacent tooth groups; a plurality of water gaps are arranged at intervals, water is filled in the water gaps, and the cooling efficiency of the diamond working ring is improved.

Furthermore, an inclined platform is fixedly arranged at the position, close to the first tooth block connected with the tooth group, of each tooth group, one end of each inclined platform is fixedly connected with the first tooth block, and the other end of each inclined platform inclines downwards towards the circle center of the grinding wheel base body.

The beneficial effect of adopting the further scheme is that: the cooling water can act on the grinding working surface.

Further, the first tooth block is provided with two or more than two, the two or more than two first tooth blocks are integrally formed with the tooth assembly in which the first tooth blocks are arranged, and the two or more than two first tooth blocks are arranged at intervals.

The beneficial effect of adopting the further scheme is that: the grinding wheel is beneficial to the balanced action of cooling water on the grinding working surface of the wide-ring grinding wheel, the first tooth block connected with each tooth group and the first tooth block connected with the adjacent tooth group are arranged in a staggered mode, the grinding surface of the grinding wheel can be automatically formed into a net-shaped grinding structure in use, and the efficient cooling and chip removal of the grinding wheel are facilitated.

Further, each first composite tooth groove comprises a second inner tooth groove and a first outer tooth groove, and the second inner tooth groove and the first outer tooth groove are isolated or communicated through the first tooth block.

The beneficial effect of adopting the further scheme is that: simple structure and convenient manufacture.

Furthermore, the first inner tooth groove deviates from the center of the grinding wheel base body along a first symmetrical axis of the groove direction of the first inner tooth groove, and the first composite tooth groove deviates from the center of the grinding wheel base body along a second symmetrical axis of the groove direction of the first composite tooth groove.

The beneficial effect of adopting the further scheme is that: the device is beneficial to the effective flow of cooling water and the quick chip removal during rough grinding or low-speed grinding.

Further, the first inner tooth groove or the second composite tooth groove passes through the center of the grinding wheel base body along a first symmetrical axis of the first inner tooth groove or the second composite tooth groove in the groove direction, and the first composite tooth groove passes through the center of the grinding wheel base body along a second symmetrical axis of the first composite tooth groove in the groove direction.

The beneficial effect of adopting the further scheme is that: is beneficial to the high-efficiency utilization of cooling water under the condition of fine grinding or high rotating speed.

Further, each second composite tooth slot comprises a third inner tooth slot and a second outer tooth slot, and the third inner tooth slot and the second outer tooth slot are separated or communicated through the second tooth block.

The beneficial effect of adopting the further scheme is that: the cooling water segment is favorably and evenly acted on the grinding working surface of the wide-ring grinding wheel, the second outer tooth socket has the function of an inner tooth socket or a through tooth socket, and the cooling water is prevented from being excessively concentrated on the outer ring part of the grinding wheel under the centrifugal force; the plurality of tooth blocks are arranged in a staggered mode, the grinding surface of the grinding wheel can automatically form a net-shaped grinding structure in use, and efficient cooling and chip removal of the grinding wheel are facilitated.

Drawings

FIG. 1 is a schematic structural view of a composite cup wheel according to the present invention with respect to example 1;

FIG. 2 is an enlarged schematic view at E of FIG. 1;

FIG. 3 is a schematic structural view of a composite cup wheel according to the present invention with respect to example 2;

FIG. 4 is an enlarged schematic view of FIG. 3 at F;

FIG. 5 is a schematic structural view of a composite cup wheel of the present invention with respect to example 3;

FIG. 6 is an enlarged schematic view at G of FIG. 5;

FIG. 7 is a schematic view of a composite cup wheel according to the present invention in relation to the second embodiment of example 3;

FIG. 8 is an enlarged view at H of FIG. 7;

FIG. 9 is a schematic structural view of a composite cup wheel according to the present invention with respect to example 4;

FIG. 10 is an enlarged view at I of FIG. 9;

FIG. 11 is a schematic structural view of a composite cup wheel according to the present invention with respect to example 5;

FIG. 12 is an enlarged view at J of FIG. 11;

FIG. 13 is a schematic structural view of a tooth set according to the present invention in relation to embodiment 6;

FIG. 14 is a schematic structural view of an assembly of the present invention relating to example 6;

FIG. 15 is a schematic structural view of a composite cup wheel of the present invention with respect to example 7;

fig. 16 is an enlarged view at K of fig. 15.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a grinding wheel base body;

2. a diamond working ring;

2.1, a tooth group, 2.2, a first composite tooth groove, 2.3, a first inner tooth groove, 2.4, a second composite tooth groove, 2.5, a first tooth block, 2.6, an inclined platform, 2.7 and a second tooth block;

2.2.1, a second inner tooth socket, 2.2.2 and a first outer tooth socket;

2.4.1, a third inner tooth socket, 2.4.2 and a second outer tooth socket;

2.5.1, grooves;

3. a first axis of symmetry;

4. a second axis of symmetry.

Detailed Description

The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the utility model.

Example 1:

as shown in fig. 1 and 2, the composite structure cup-shaped grinding wheel comprises a grinding wheel base body 1 and a diamond working ring 2 fixed on the grinding wheel base body 1, wherein the diamond working ring 2 comprises a plurality of tooth groups 2.1, and the tooth groups 2.1 are sequentially and fixedly arranged along the edge of the grinding wheel base body 1; a first composite tooth groove 2.2 is formed between each tooth group 2.1 and the adjacent tooth group 2.1; each tooth group 2.1 is internally provided with a first internal tooth groove 2.3.

Tooth group 2.1 sets up the advantage of two kinds of structures of internal tooth and external tooth, improve chip removal function and the cooling function of diamond working ring 2 through first interior tooth's socket 2.3 and first compound tooth's socket 2.2, improve the utilization ratio of cooling water, the cooling effect of cooling water to the inner ring position has been reinforceed, the intermittent grinding function of external tooth has been played simultaneously, tooth group has the combined function that leads to the tooth concurrently, the internal tooth, the external tooth, the circumference chip removal ability of the cup-shaped emery wheel of composite construction has been improved greatly, and the negative effect of leading to the tooth vibration has been weakened, when reaching grinding efficiency and improving, the quality also can obtain guaranteeing.

In the above embodiment, one end of each tooth group 2.1 is provided with a first tooth block 2.5, and each first tooth block 2.5 is integrally formed with the inner component of the tooth group 2.1 where it is located.

In the above embodiment, each tooth group 2.1 is connected to the adjacent tooth group 2.1 through the first tooth block 2.5; each tooth group 2.1 and the adjacent tooth group 2.1 form a first compound tooth socket 2.2.

Realize first interior tooth's socket 2.3 and first compound tooth's socket 2.2 interval staggered arrangement for diamond working ring 2 atress is balanced, increase of service life.

In the above embodiment, each of the first composite tooth slots 2.2 includes a second inner tooth slot 2.2.1 and a first outer tooth slot 2.2.2, the second inner tooth slot 2.2.1 and the first outer tooth slot 2.2.2 being separated by the first block 2.5.

The second inner tooth groove 2.2.1 and the first outer tooth groove 2.2.2 are utilized to improve the chip removal and cooling capacity and weaken the negative effect of vibration caused by the through teeth.

In the above embodiment, the first internal tooth groove 2.3 passes through the center of the grinding wheel base 1 along the first symmetrical axis 3 of the groove direction thereof, and the first composite tooth groove 2.2 passes through the center of the grinding wheel base 1 along the second symmetrical axis 4 of the groove direction thereof.

The cooling effect of the diamond working ring 2 during fine grinding or high-speed working is improved, and the intermittent grinding function and the chip removal capability are improved.

In the above embodiment, the plurality of sets of teeth 2.1 are integrally formed. The connecting strength of a plurality of tooth groups 2.1 can be enhanced, and the device is suitable for rough grinding and strong grinding.

In the above embodiment, a plurality of the tooth groups 2.1 are sequentially combined. The plurality of tooth groups 2.1 are convenient to manufacture and assemble, and the cost is reduced.

In the above embodiment, each of the tooth groups 2.1 is formed by splicing two assemblies, and is suitable for automatic manufacturing.

Example 2:

as shown in fig. 3 and 4, the composite structure cup-shaped grinding wheel comprises a grinding wheel base body 1 and a diamond working ring 2 fixed on the grinding wheel base body 1, wherein the diamond working ring 2 comprises a plurality of tooth groups 2.1, and the tooth groups 2.1 are sequentially and fixedly arranged along the edge of the grinding wheel base body 1; each tooth group 2.1 and the adjacent tooth group 2.1 form a first composite tooth socket 2.2, and a first inner tooth socket 2.3 is arranged in each tooth group 2.1.

In the above embodiment, the first inner tooth groove 2.3 is offset from the center of the grinding wheel base 1 along the first symmetrical axis 3 of the groove direction thereof, and the first composite tooth groove 2.2 is offset from the center of the grinding wheel base 1 along the second symmetrical axis 4 of the groove direction thereof.

The cooling effect of the diamond working ring 2 during working is improved, and the intermittent grinding function and the chip removal capability are improved. The device is beneficial to the effective flow of cooling water and the quick chip removal during rough grinding or low-speed grinding.

In the above embodiment, the plurality of sets of teeth 2.1 are integrally formed. The connecting strength of a plurality of tooth groups 2.1 can be enhanced, and the service life is prolonged.

Example 3:

as shown in fig. 5 to 8, the composite cup-shaped grinding wheel comprises a grinding wheel base body 1 and a diamond working ring 2 fixed on the grinding wheel base body 1, wherein the diamond working ring 2 comprises a plurality of tooth groups 2.1, and the tooth groups 2.1 are sequentially and fixedly arranged along the edge of the grinding wheel base body 1; each tooth group 2.1 and the adjacent tooth group 2.1 form a first compound tooth groove 2.2.

In the above embodiment, each of the tooth sets 2.1 has a first internal tooth slot 2.3 disposed therein.

In the above embodiment, the first tooth block 2.5 connected to each tooth group 2.1 maintains a gap with the adjacent tooth group 2.1; each tooth group 2.1 and the adjacent tooth group 2.1 form a first compound tooth socket 2.2.

First tooth piece 2.5 keeps the clearance rather than adjacent tooth group 2.1, can make the cooling water act the external tooth through the clearance, make the external tooth have the effect of leading to the tooth structure concurrently, thereby make tooth group 2.1 set internal tooth and external tooth and lead to the advantage of three kinds of structures of tooth, tooth group 2.1 has the complex function of leading to the tooth concurrently, the internal tooth, the external tooth, the circumference chip removal ability of the cup-shaped emery wheel of complex construction has been improved greatly, and the negative effect of leading to the tooth vibration has been weakened, when reaching the grinding efficiency and improving, the quality also can obtain guaranteeing.

Example 4:

as shown in fig. 9 to 10, the composite structure cup-shaped grinding wheel comprises a grinding wheel base body 1 and a diamond working ring 2 fixed on the grinding wheel base body 1, wherein the diamond working ring 2 comprises a plurality of tooth groups 2.1, and the tooth groups 2.1 are sequentially and fixedly arranged along the edge of the grinding wheel base body 1; each tooth group 2.1 and the adjacent tooth group 2.1 form a first compound tooth groove 2.2.

The chip removal function and the cooling function of the diamond working ring 2 are improved through the first inner tooth groove 2.3 and the first composite tooth groove 2.2, the utilization rate of cooling water is improved, the cooling effect of the cooling water on the inner ring part is strengthened, the intermittent grinding function of the outer teeth is exerted simultaneously, the tooth group 2.1 has the composite function of the through teeth, the inner teeth and the outer teeth, the circumferential chip removal capacity of the cup-shaped grinding wheel with the composite structure is greatly improved, the negative effect of the through teeth vibration is weakened, the quality can be guaranteed when the grinding efficiency is improved.

In the above embodiment, one end of each of the tooth sets 2.1 is provided with two first tooth blocks 2.5, and the two first tooth blocks 2.5 are integrally formed with the inner component of the tooth set 2.1 where the two first tooth blocks 2.5 are located, and the two first tooth blocks 2.5 are arranged at intervals.

Tooth group 2.1 sets the advantage of internal tooth and external tooth and three kinds of structures of leading to the tooth, and tooth group 2.1 has the combined function that leads to tooth, internal tooth, external tooth concurrently, has improved the circumference chip removal ability of the cup-shaped emery wheel of composite construction greatly to the negative effect of leading to the tooth vibration has been weakened, when reaching the improvement of grinding efficiency, the quality also can obtain guaranteeing, more is fit for the wide ring emery wheel.

Example 5:

as shown in fig. 11 to 12, the composite cup grinding wheel comprises a grinding wheel base body 1 and a diamond working ring 2 fixed on the grinding wheel base body 1, wherein the diamond working ring 2 comprises a plurality of tooth groups 2.1, and the tooth groups 2.1 are sequentially and fixedly arranged along the edge of the grinding wheel base body 1; each tooth group 2.1 and the adjacent tooth group 2.1 form a first compound tooth groove 2.2.

In the above embodiment, a second compound tooth slot 2.4 is provided in each tooth group 2.1.

In the above embodiment, one end of each of the tooth sets 2.1 is provided with a first tooth block 2.5, two first tooth blocks 2.5 are provided, two first tooth blocks 2.5 are integrally formed with the inner component of the tooth set 2.1 where the first tooth blocks are located, two first tooth blocks 2.5 are arranged at intervals, and one first tooth block 2.5 is located at the edge of the diamond working ring 2.

In the above embodiment, the second composite tooth groove 2.4 passes through the center of the grinding wheel base 1 along the first symmetrical axis 3 of the groove direction thereof, and the first composite tooth groove 2.2 passes through the center of the grinding wheel base 1 along the second symmetrical axis 4 of the groove direction thereof.

In the above embodiment, each of the second composite tooth slots 2.4 includes a third inner tooth slot 2.4.1 and a second outer tooth slot 2.4.2, and the third inner tooth slot 2.4.1 and the second outer tooth slot 2.4.2 are isolated or communicated by the second tooth block 2.7; two second tooth blocks 2.7 are arranged, and the two second tooth blocks 2.7 are integrally formed with the inner wall of the tooth group 2.1; two of the second teeth 2.7 are spaced apart, with one second tooth 2.7 at the edge of the diamond working ring 2.

Tooth group 2.1 set internal tooth and external tooth and the advantage of leading to three kinds of structures of tooth, tooth group 2.1 has the tooth of leading to concurrently, the internal tooth, the complex function of external tooth, be favorable to the balanced grinding working face of acting on at the wide ring emery wheel of cooling water, a plurality of tooth blocks crisscross setting, can also make the cup emery wheel grinding face of composite construction in use net grinding structure, be favorable to the high-efficient cooling and the chip removal of the cup emery wheel of composite construction, and the negative effect of leading to the tooth vibration has been weakened, when reaching the grinding efficiency and improving, the quality also can obtain the assurance, more be fit for the wide ring emery wheel of finish grinding processing.

Example 6:

as shown in fig. 13 to 14, the composite structure cup-shaped grinding wheel comprises a grinding wheel base body 1 and a diamond working ring 2 fixed on the grinding wheel base body 1, wherein the diamond working ring 2 comprises a plurality of tooth groups 2.1, and the tooth groups 2.1 are sequentially and fixedly arranged along the edge of the grinding wheel base body 1; each tooth group 2.1 and the adjacent tooth group 2.1 form a first compound tooth groove 2.2.

In the above embodiment, one end of each tooth group 2.1 is provided with a first tooth block 2.5, the first tooth block 2.5 is integrally formed with the inner component of the tooth group 2.1 where the first tooth block is located, and each tooth group 2.1 is connected with the adjacent tooth group 2.1 by the first tooth block 2.5 in an abutting manner; each tooth group 2.1 and the adjacent tooth group 2.1 form a first compound tooth socket 2.2.

A plurality of grooves 2.5.1 are formed in the end part of each first tooth block 2.5, which abuts against the adjacent tooth group 2.1, the grooves 2.5.1 are sequentially arranged at intervals, and a water gap is formed between each first tooth block 2.5 and the adjacent tooth group 2.1 through the grooves 2.5.1;

the grooves 2.5.1 are arranged at intervals, the tooth heads are formed between every two adjacent grooves 2.5.1 and form a supporting structure, the first tooth block 2.5 is abutted against the adjacent tooth groups 2.1 through the supporting structure, and the connecting strength between every two adjacent tooth groups 2.1 is enhanced; the notches of the grooves 2.5.1 are tightly attached to the adjacent tooth groups 2.1, water passing gaps are formed between the grooves 2.5.1 and the circumferential end faces of the tooth groups 2.1, water is passed through the water passing gaps, cooling water is influenced by the rotation direction at the positions of the water passing gaps, part of the cooling water is retained at the positions of the water passing gaps to cool the two adjacent tooth groups 2.1, and the cooling comprehensiveness and the cooling efficiency of the diamond working ring are improved.

Example 7:

as shown in fig. 15 to 16, the composite structure cup-shaped grinding wheel comprises a grinding wheel base body 1 and a diamond working ring 2 fixed on the grinding wheel base body 1, wherein the diamond working ring 2 comprises a plurality of tooth groups 2.1, and the tooth groups 2.1 are sequentially and fixedly arranged along the edge of the grinding wheel base body 1; each tooth group 2.1 and the adjacent tooth group 2.1 form a first compound tooth groove 2.2.

In the above embodiment, one end of each tooth group 2.1 is provided with a first tooth block 2.5, and the first tooth block 2.5 is integrally formed with the inner component of the tooth group 2.1 where the first tooth block is located.

In the above embodiment, each tooth group 2.1 is fixedly provided with an inclined platform 2.6 near the first tooth block 2.5 connected thereto, one end of the inclined platform 2.6 is fixedly connected with the first tooth block 2.5, and the other end is inclined downwards towards the center of the grinding wheel base 1.

The inclined platform 2.6 can guide cooling water led out from the grinding wheel base body 1 to act on a grinding working surface, so that the composite structure cup-shaped grinding wheel can be efficiently cooled and can discharge chips.

The second composite tooth groove 2.4 is beneficial to the balanced action of the cooling water segment on the grinding working surface of the wide-ring grinding wheel, and the second outer tooth groove 2.4.2 has the action of an inner tooth groove or a through tooth groove, so that the cooling water is prevented from being excessively concentrated under the centrifugal force and acting on the outer ring part of the composite-structure cup-shaped grinding wheel; the first tooth blocks 2.5 and the second tooth blocks 2.7 are arranged in a staggered mode, so that a net-shaped grinding structure is formed on the grinding surface of the cup-shaped grinding wheel with the composite structure in use, and efficient cooling and chip removal of the cup-shaped grinding wheel with the composite structure are facilitated.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, tooth overlapping, functional combinations, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Cup-shaped emery wheel of composite construction, including emery wheel base member (1) and concreties diamond working ring (2) on emery wheel base member (1), its characterized in that: the diamond working ring (2) comprises a plurality of tooth groups (2.1), and the tooth groups (2.1) are sequentially and fixedly arranged along the edge of the grinding wheel base body (1); each tooth group (2.1) and the adjacent tooth group (2.1) form a first composite tooth socket (2.2); a first inner tooth groove (2.3) or a second composite tooth groove (2.4) is arranged in each tooth group (2.1); every the one end of tooth group (2.1) all is provided with first tooth piece (2.5), every subassembly integrated into one piece in tooth group (2.1) that first tooth piece (2.5) all rather than the place.

2. The composite cup wheel of claim 1, wherein: each tooth group (2.1) is connected with the adjacent tooth group (2.1) in an abutting mode through a first tooth block (2.5), or the first tooth block (2.5) connected with each tooth group (2.1) keeps a gap with the adjacent tooth group (2.1); each tooth group (2.1) and the adjacent tooth group (2.1) form a first compound tooth groove (2.2).

3. The composite cup wheel of claim 2, wherein: every all be provided with a plurality of recesses (2.5.1) on the tip that first tooth piece (2.5) offset rather than adjacent tooth group (2.1), it is a plurality of recess (2.5.1) interval arrangement in proper order, every first tooth piece (2.5) all constitute logical water clearance through between a plurality of recesses (2.5.1) and the adjacent tooth group (2.1).

4. The composite cup wheel of claim 2, wherein: an inclined platform (2.6) is fixedly arranged at the position, close to a first tooth block (2.5) connected with the tooth group (2.1), of each tooth group, one end of each inclined platform (2.6) is fixedly connected with the corresponding first tooth block (2.5), and the other end of each inclined platform inclines downwards towards the circle center of the grinding wheel base body (1).

5. The composite cup wheel of claim 2, wherein: the first tooth block (2.5) is provided with two or more than two, the first tooth block (2.5) and the inner component of the tooth group (2.1) where the first tooth block is located are integrally formed, and the first tooth block (2.5) is arranged at intervals.

6. The composite cup wheel according to any one of claims 1 to 5, wherein: each first composite tooth groove (2.2) comprises a second inner tooth groove (2.2.1) and a first outer tooth groove (2.2.2), and the second inner tooth groove (2.2.1) and the first outer tooth groove (2.2.2) are isolated or communicated through the first tooth block (2.5).

7. The composite cup wheel of claim 1, wherein: the tooth group (2.1) is formed by splicing two components.

8. The composite cup wheel of claim 1, wherein: each second composite tooth socket (2.4) comprises a third inner tooth socket (2.4.1) and a second outer tooth socket (2.4.2), and the third inner tooth socket (2.4.1) and the second outer tooth socket (2.4.2) are isolated or communicated through a second tooth block (2.7).