CN210499839U

CN210499839U - Combined grinding wheel

Info

Publication number: CN210499839U
Application number: CN201921545662.1U
Authority: CN
Inventors: 常吉连; 常心悦
Original assignee: Luoyang Xiwei Abrasive And Grinding Machine Co ltd
Current assignee: Luoyang Xiwei Abrasive And Grinding Machine Co ltd
Priority date: 2019-09-18
Filing date: 2019-09-18
Publication date: 2020-05-12
Anticipated expiration: 2029-09-18

Abstract

A combined grinding wheel relates to a grinding wheel, a sand ring A (7) and a sand ring B (14) are identical in structure and are oppositely arranged, a half ball socket (13) arranged on the sand ring A (7) corresponds to a half ball socket (13) arranged on the sand ring B (14), an inner ring (8) is sleeved in a through hole (6) respectively arranged on a middle ring A (5) and a middle ring B (15) after the sand ring A (7) and the sand ring B (14) are buckled, each ball head (10) is respectively arranged between the corresponding two half ball sockets (13), and each connecting rod (9) is respectively arranged between the corresponding two arc-shaped through grooves (12); the utility model discloses a set up the inner core of emery wheel into metallic structure's inner circle, cup joint sand ring A and sand ring B at the outer fringe face of inner circle, the outer lane A and the outer lane B of the high-quality carborundum abrasive material of one-level that utilize sand ring A and sand ring B to be equipped with respectively polish the work piece, have realized the purpose of effective reduction emery wheel cost.

Description

Combined grinding wheel

[ technical field ] A method for producing a semiconductor device

The utility model relates to a emery wheel especially relates to a modular emery wheel.

[ background of the invention ]

The grinding wheel is a bonded grinding tool which is formed by bonding a common grinding material 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. Because the grinding wheels are made of various materials, and the grinding wheels with the same application have very large price difference after selecting components of different formulas, the cost difference between the high-quality grinding wheel and the poor-quality grinding wheel can reach several times to dozens of times. If a good material is used at a part to be ground in the grinding wheel and a poor material or a metal core is used at a part which is left to be discarded after being worn, a large amount of cost can be saved, and the cost and the selling price of the product are reduced; the product with more cost performance is launched to the market on the basis of not losing the product quality, and the metal core also has recoverable value and responds to the call of environment protection and energy conservation advocated by the nation.

[ summary of the invention ]

In order to overcome not enough in the background art, the utility model discloses a modular emery wheel sets up to metallic structure's inner circle through the inner core with the emery wheel, cup joints sand ring A and sand ring B at the outer fringe face of inner circle, utilizes outer lane A and the outer lane B of the high-quality carborundum abrasive material of one-level that sand ring A and sand ring B were equipped with respectively to polish the work piece, has realized the purpose of effectively reducing the emery wheel cost.

In order to realize the purpose, the utility model adopts the following technical scheme:

a combined grinding wheel comprises a sand ring A, a sand ring B and an inner ring, wherein the sand ring B comprises a middle ring B and an outer ring B, a plurality of half ball sockets are arranged at the top of the middle ring B at intervals around the center of the middle ring B, an arc-shaped through groove is arranged between the inner wall of each half ball socket and the inner wall of the middle ring B, the outer ring B is sleeved outside the outer edge surface of the middle ring B, the sand ring A and the sand ring B are identical in structure and are oppositely arranged, the sand ring A comprises the outer ring A and the middle ring A, ball heads corresponding to the half ball sockets are arranged at intervals on the outer edge surface of the inner ring, a connecting rod is respectively arranged between each ball head and the outer edge surface of the inner ring, the bottom surface of the sand ring A is contacted with the top surface of the sand ring B, the half ball sockets arranged on the sand ring A correspond to the half ball sockets arranged on the sand ring B, the inner ring is sleeved in through holes respectively arranged on the middle ring A and the middle ring B, each connecting rod is respectively arranged between the two corresponding arc-shaped through grooves.

The combined grinding wheel is provided with a mounting hole in the center of the inner ring.

The combined grinding wheel is characterized in that through holes are respectively formed between two adjacent half ball sockets on the middle ring A and the middle ring B.

According to the combined grinding wheel, a plurality of bolts penetrate through holes respectively formed in the middle ring A and the middle ring B and then are connected with the sand ring A and the sand ring B through nuts, and bolt heads and nuts of the bolts are respectively arranged in the through hole opening at the top of the middle ring A and the through hole opening at the bottom of the middle ring B and are respectively provided with a flared neck.

The combined grinding wheel, the outer ring A and the outer ring B are respectively made of first-grade high-quality silicon carbide abrasive materials.

The combined grinding wheel, the middle ring A and the middle ring B are respectively made of two-stage common silicon carbide abrasive materials.

The inner ring of the combined grinding wheel is made of low-carbon steel.

Since the technical scheme is used, the utility model discloses following beneficial effect has:

the combined grinding wheel of the utility model has the advantages that the inner core of the grinding wheel is arranged into the inner ring of the metal structure, the outer edge surface of the inner ring is sleeved with the sand ring A and the sand ring B, and the workpiece is ground by the outer ring A and the outer ring B which are respectively provided with the first-level high-quality silicon carbide abrasive material, so that the purpose of effectively reducing the cost of the grinding wheel is realized; the utility model has the characteristics of simple structure is reasonable, convenient and practical, practice thrift the cost etc, has very strong spreading value, and market prospect is wide.

[ description of the drawings ]

Fig. 1 is a schematic view of an assembly structure of the present invention;

fig. 2 is a schematic structural diagram of the present invention.

In the figure: 1. a bolt; 2. expanding the neck; 3. a through hole; 4. an outer ring A; 5. a middle ring A; 6. perforating; 7. a sand ring A; 8. an inner ring; 9. a connecting rod; 10. a ball head; 11. mounting holes; 12. an arc-shaped through groove; 13. a half ball socket; 14. a sand ring B; 15. a middle ring B; 16. an outer ring B; 17. and a nut.

[ detailed description ] embodiments

The present invention will be explained in more detail by the following examples, which are not intended to limit the invention, and the purpose of disclosing the invention is to protect all the changes and improvements that come within the scope of the invention;

the combined grinding wheel described by combining the attached figures 1 or 2 comprises a grinding ring A7, a grinding ring B14 and an inner ring 8, wherein the grinding ring B14 comprises a middle ring B15 and an outer ring B16, a plurality of half ball sockets 13 are arranged at intervals on the top of the middle ring B15 around the center of the middle ring B15, an arc-shaped through groove 12 is arranged between the inner walls of each half ball socket 13 and the middle ring B15, the outer ring B16 is sleeved outside the outer edge surface of the middle ring B15, the grinding ring A7 and the grinding ring B14 are identical in structure and are oppositely arranged, the grinding ring A7 comprises an outer ring A4 and a middle ring A5, a mounting hole 11 is arranged at the center of the inner ring 8, a ball head 10 corresponding to the half ball socket 13 is arranged at intervals on the outer edge surface of the inner ring 8, a connecting rod 9 is respectively arranged between each ball head 10 and the outer edge surface of the inner ring 8, the bottom surface of the grinding ring A7 is in contact with the top surface of the grinding ring B14, a half ball socket 13 arranged on the grinding ring A7 and a half ball socket 24 of the inner ring B15, a through hole 7 is arranged in the middle ring 596 and, each ball head 10 is respectively arranged between two corresponding half ball sockets 13, each connecting rod 9 is respectively arranged between two corresponding arc-shaped through grooves 12, through holes 3 are respectively arranged between the two adjacent half ball sockets 13 on a middle ring A5 and a middle ring B15, a plurality of bolts 1 penetrate through the through holes 3 respectively arranged on the middle ring A5 and the middle ring B15 and then are connected with a sand ring A7 and a sand ring B14 through nuts 17, bolt heads of the bolts 1 and the nuts 17 are respectively arranged in the mouths of the through holes 3 at the top of the middle ring A5 and the mouths of the through holes 3 at the bottom of the middle ring B15 and are respectively provided with a flared neck 2, the outer ring A4 and the outer ring B16 are respectively made of first-grade high-quality silicon carbide abrasive materials, the middle ring A5 and the middle ring B15 are respectively made of second-grade common silicon carbide abrasive materials, and.

Implement modular emery wheel, during the use, cup joint mounting hole 11 in the pivot of abrasive machine and fasten, it is rotatory the utility model discloses grind the work piece, because outer lane A4's material is the high-quality carborundum abrasive material of one-level, so can polish the work piece high-efficiently, in order to make up the convenient cost that just effectively reduces whole emery wheel with inner circle 8, well circle A5's material sets up to the ordinary carborundum abrasive material of second grade, just can abandon whole emery wheel after outer lane A4 grinding finishes like this, use outer lane A4 with high-quality grinding composition, use middle circle A5 with low cost's grinding composition, and set up inner circle 8 into low carbon steel material, can increase the emery wheel firmness effectively, reduce the whole cost of emery wheel, energy saving and consumption reduction's effect has been played.

The part of the utility model not detailed is prior art.

Claims

1. A combined grinding wheel is characterized in that: the sand ring comprises a sand ring A (7), a sand ring B (14) and an inner ring (8), wherein the sand ring B (14) comprises a middle ring B (15) and an outer ring B (16), a plurality of half ball sockets (13) are arranged at the top of the middle ring B (15) at intervals around the center of the middle ring B (15), an arc through groove (12) is arranged between the inner walls of each half ball socket (13) and the middle ring B (15), the outer ring B (16) is sleeved outside the outer edge surface of the middle ring B (15), the sand ring A (7) and the sand ring B (14) have the same structure and are arranged oppositely, the sand ring A (7) comprises an outer ring A (4) and a middle ring A (5), ball heads (10) corresponding to the half ball sockets (13) are arranged at intervals on the outer edge surface of the inner ring (8), connecting rods (9) are respectively arranged between the outer edge surfaces of each ball head (10) and the inner ring (8), the bottom surface of the sand ring A (7) is contacted with the top surface of the sand ring B, half ball socket (13) that sand ring A (7) was equipped with and half ball socket (13) that sand ring B (14) was equipped with are corresponding, and inner circle (8) cup joint in sand ring A (7) and sand ring B (14) lock back well circle A (5) and well circle B (15) perforation (6) that are equipped with respectively, and each bulb (10) are arranged in respectively between corresponding two half ball sockets (13), and each connecting rod (9) are arranged in respectively between two corresponding arc logical groove (12).

2. The unitized wheel of claim 1, wherein: a mounting hole (11) is formed in the center of the inner ring (8).

3. The unitized wheel of claim 1, wherein: through holes (3) are respectively arranged between two adjacent half ball sockets (13) on the middle ring A (5) and the middle ring B (15).

4. The unitized wheel of claim 3, wherein: a plurality of bolts (1) penetrate through holes (3) respectively formed in a middle ring A (5) and a middle ring B (15) and then are connected with a sand ring A (7) and a sand ring B (14) through nuts (17), and bolt heads and nuts (17) of the bolts (1) are respectively arranged in the mouths of the through holes (3) at the top of the middle ring A (5) and the mouths of the through holes (3) at the bottom of the middle ring B (15) and are respectively provided with a flared neck (2).

5. The unitized wheel of claim 1, wherein: the material of the outer ring A (4) and the material of the outer ring B (16) are respectively first-grade high-quality silicon carbide abrasive.

6. The unitized wheel of claim 1, wherein: the material of the middle ring A (5) and the material of the middle ring B (15) are respectively two-stage common silicon carbide abrasive materials.

7. The unitized wheel of claim 1, wherein: the inner ring (8) is made of low carbon steel.