CN213703047U

CN213703047U - Diamond roller with drill bit track

Info

Publication number: CN213703047U
Application number: CN202022762680.4U
Authority: CN
Inventors: 宋少帅; 张俊南
Original assignee: Henan Dongjin Precision Tools Co ltd
Current assignee: Henan Dongjin Precision Tools Co ltd
Priority date: 2020-11-25
Filing date: 2020-11-25
Publication date: 2021-07-16
Anticipated expiration: 2030-11-25

Abstract

The utility model discloses a diamond roller with a drill track, which comprises a roller body and a boss working surface, wherein the upper end of the roller body is provided with an upper convex ring, the lower end of the roller body is provided with a lower convex ring, shaft holes are formed on the upper convex ring and the lower convex ring, the roller body is provided with the boss working surface along the outer peripheral surface, the upper top end of the boss working surface is provided with a second grinding layer, an arc bulge is arranged around the outer side of the second grinding layer, the surface of the arc bulge is a diamond layer, the joint of the lower end surface of the boss working surface and the arc bulge is provided with a first grinding layer, the inner side of the first grinding layer is provided with a bevel edge, and the inner side of the bevel edge is; the utility model has the advantages of accurate location, high grinding wheel dressing precision, long service life and low production cost.

Description

Diamond roller with drill bit track

Technical Field

The utility model belongs to the technical field of the diamond gyro wheel technique and specifically relates to a drill bit orbit diamond gyro wheel is related to.

Background

When the grinding wheel is used for grinding in the traditional industry, the edge angle of the abrasive particles of the grinding wheel is gradually rounded and blunted under the action of friction and extrusion, or when tough materials are ground, grinding dust is often embedded in pores on the surface of the grinding wheel, so that the surface of the grinding wheel is blocked, and finally the grinding wheel loses the cutting capability, and a large amount of the grinding wheel is scrapped. In recent years, a diamond roller is gradually created, which is a grinding wheel dressing tool that is used for consolidating a layer of diamond on the surface of a revolving body by powder metallurgy or coating and enabling the diamond layer to form a profile with precise dimension required by dressing a grinding wheel;

the drill bit production enterprise is mainly used for grinding drill bit spiral grooves, in the mechanical manufacturing industry, drill bit drilling is one of widely adopted processing methods, the characteristics of the material of a drill bit bring certain difficulties to processing, the problems of inaccurate positioning and low finishing precision of drill bit drilling are easy to occur, the drill bit is easy to passivate for a long time, the service life of the drill bit is shortened, in the current drill bit cutter manufacturing industry, the drill bit cutter spiral grooves become a main development trend through grinding forming, particularly the forming of the integral hard alloy cutter spiral grooves is formed by grinding the drill bit cutter spiral grooves through a diamond roller finishing grinding wheel, and therefore, a drill bit track diamond roller is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a drill bit orbit diamond roller has the advantage of location accurate, emery wheel finishing accuracy height, long service life, reduction in production cost, has solved the problem among the prior art.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: the utility model provides a drill bit orbit diamond roller, includes the gyro wheel body and boss working face, its characterized in that: the upper end of the roller body is provided with an upper convex ring, the lower end of the roller body is provided with a lower convex ring, shaft holes are formed in the upper convex ring and the lower convex ring, and a boss working surface is arranged on the outer peripheral surface of the roller body;

the top is equipped with the second grinding layer on the boss working face, it is protruding that second grinding layer outside is equipped with the circular arc around, the protruding surface of circular arc is the diamond layer, the boss working face terminal surface is equipped with first grinding layer with the protruding junction of circular arc down, first grinding layer inboard is equipped with the hypotenuse, the hypotenuse inboard is equipped with the straight flange.

The utility model discloses further set up to: the upper convex ring, the lower convex ring and the roller body are all integrally formed.

By adopting the technical scheme, the upper convex ring, the lower convex ring and the roller body are integrally formed, so that the overall strength of the roller body is increased, and the roller body is convenient to process and grind the grinding wheel.

The utility model discloses further set up to: the diameters of the upper convex ring and the lower convex ring are the same, and the height of the upper convex ring is smaller than that of the lower convex ring.

By adopting the technical scheme, the upper convex ring is sleeved on the rotating shaft and the lower convex ring is sleeved on the rotating shaft through the height of the upper convex ring being smaller than that of the lower convex ring, so that the accurate and stable grinding processing of the boss working surface of the roller body can be ensured when the grinding wheel is ground.

The utility model discloses further set up to: the length of the first grinding layer is smaller than that of the second grinding layer.

Through adopting above-mentioned technical scheme, length through first grinding layer is less than the length of second grinding layer, makes things convenient for the boss working face can grind the grinding wheel according to the orbit.

The utility model discloses further set up to: chamfers are arranged on the upper end face and the lower end face of the shaft hole.

By adopting the technical scheme, chamfers are formed on the upper end face and the lower end face of the shaft hole, so that the roller body is assembled, and the phenomenon that the gravity of the roller body is concentrated during working can be prevented.

The utility model discloses further set up to: the boss working surface of the roller body is matched with the working surface of the grinding wheel.

By adopting the technical scheme, the boss working surface of the roller body is matched with the working surface of the grinding wheel, so that the boss working surface can accurately finish the grinding wheel according to the track.

To sum up, the utility model discloses a beneficial technological effect does:

1. in the use process of the diamond roller with the drill bit track, the grinding wheel is ground in a specific shape through the first grinding layer and the second grinding layer on the boss working surface of the roller body, the grinding wheel is trimmed through the arc protrusion, the hardness of the diamond layer on the arc protrusion is high, the diamond roller is suitable for processing the grinding wheel in batches, the service life of the protruding working surface is prolonged, the grinding wheel after grinding and trimming is used for grinding and forming a spiral groove of a drill bit cutter, and compared with a drill bit drilling and processing cutter spiral groove, the diamond roller is high in trimming precision of the grinding wheel, and production cost is reduced;

2. structurally, the upper convex ring and the lower convex ring are arranged on the upper end surface and the lower end surface of the diamond roller, so that the roller body can better resist the centrifugal force generated by the rotation of the roller body on the rotating shaft when in work, the deviation generated by the rotation of the roller body is reduced, and the stability of the roller body during the rotation is improved.

Drawings

FIG. 1 is a schematic cross-sectional overall structure of a diamond roller according to the present invention;

FIG. 2 is a schematic view of the overall structure of a diamond roller according to the track of a drill bit of the present invention;

fig. 3 is an enlarged schematic structural diagram of a position a of the diamond roller with drill track according to the present invention.

In the figure, 1, a roller body; 2. a shaft hole; 3. an upper convex ring; 4. a lower convex ring; 5. a boss working surface; 6. straight sides; 7. a bevel edge; 8. a first grinding layer; 9. a circular arc bulge; 10. and a second grinding layer.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only 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 therefore, should not be construed as limiting the present invention.

Referring to fig. 1 and 2, in order to disclose a diamond roller with a drill track, the diamond roller comprises a roller body 1 and a shaft hole 2, wherein an upper convex ring 3 is arranged at the upper end of the roller body 1, a lower convex ring 4 is arranged at the lower end of the roller body 1, the shaft holes 2 are arranged on the upper convex ring 3 and the lower convex ring 4, and a boss working surface 5 is arranged along the outer peripheral surface of the roller body 1;

in the embodiment, when in use, the roller body 1 is fixed on the working rotating shaft through the upper convex ring 3, the shaft hole 2 and the lower convex ring 4 on the roller body 1, and the upper convex ring 3 and the lower convex ring 4 are arranged on the upper end surface and the lower end surface of the roller body 1, so that the roller body 1 can better resist the centrifugal force generated by the rotation of the roller body 1 on the rotating shaft when in work, the deviation generated by the rotation of the roller body 1 is reduced, and the stability of the roller body 1 during the rotation is improved.

As shown in fig. 1 and 3, a second grinding layer 10 is arranged at the top end of the boss working surface 5, an arc protrusion 9 is arranged around the outer side of the second grinding layer 10, the surface of the arc protrusion 9 is a diamond layer, a first grinding layer 8 is arranged at the joint of the lower end surface of the boss working surface 5 and the arc protrusion 9, a bevel edge 7 is arranged on the inner side of the first grinding layer 8, and a straight edge 6 is arranged on the inner side of the bevel edge 7;

in this embodiment, the grinding wheel is ground in a specific shape through the first grinding layer 8 and the second grinding layer 10 on the boss working surface 5 of the roller body 1, the grinding wheel is dressed through the circular arc protrusion 9, the hardness of the diamond layer on the circular arc protrusion 9 is high, the grinding wheel is suitable for being processed on a large scale, the service life of the protruding working surface is prolonged, the grinding wheel after grinding and dressing is used for grinding and forming a spiral groove of a drill bit cutter, the grinding wheel is high in dressing precision in diamond roller machining, the production cost is reduced, and the bevel edge 7 and the straight edge 6 can facilitate the grinding of the first grinding layer 8 on the grinding wheel.

Referring to fig. 1, the upper convex ring 3, the lower convex ring 4 and the roller body 1 are integrally formed, and the upper convex ring 3, the lower convex ring 4 and the roller body 1 are integrally formed, so that the overall strength of the roller body 1 is increased, and the roller body 1 can be conveniently processed and ground with a grinding wheel.

Referring to fig. 1, the diameters of the upper convex ring 3 and the lower convex ring 4 are the same, the height of the upper convex ring 3 is smaller than that of the lower convex ring 4, and the lower convex ring 4 is sleeved on the rotating shaft through the height of the upper convex ring 3 being smaller than that of the lower convex ring 4, so that the boss working surface 5 of the roller body 1 can be precisely and stably ground when a grinding wheel is ground.

Referring to fig. 3, the length of the first grinding layer 8 is smaller than that of the second grinding layer 10, and the length of the first grinding layer 8 is smaller than that of the second grinding layer 10, so that the boss working surface 5 can grind the grinding wheel according to the track.

Referring to fig. 1, chamfers are respectively formed on the upper end surface and the lower end surface of the shaft hole 2, and are respectively formed on the upper end surface and the lower end surface of the shaft hole 2, so that the assembly of the roller body 1 is facilitated, and the gravity concentration of the roller body 1 during the operation can be prevented.

Referring to fig. 3, the boss working surface 5 of the roller body 1 is matched with the working surface of the grinding wheel, and the boss working surface 5 of the roller body 1 is matched with the working surface of the grinding wheel, so that the boss working surface 5 can accurately finish the grinding wheel according to the track.

The implementation principle of the embodiment is as follows:

the utility model relates to a diamond roller with drill track, when in use, the roller body 1 is fixed on a working rotating shaft through an upper convex ring 3, a shaft hole 2 and a lower convex ring 4 on the roller body 1, the height of the upper convex ring 3 is less than that of the lower convex ring 4, the lower convex ring 4 is sleeved on the working rotating shaft, the boss working surface 5 of the roller body 1 can be ensured to be accurately and stably ground when grinding a grinding wheel, chamfers are arranged on the upper end surface and the lower end surface of the shaft hole 2, which is beneficial to the assembly of the roller body 1 and can prevent the gravity concentration of the roller body 1 during the work, a first grinding layer 8 and a second grinding layer 10 on the boss working surface 5 accurately grind the grinding wheel in a specific shape, the grinding wheel is accurately dressed through an arc bulge 9, the hardness of a diamond layer on the arc bulge 9 is high, the diamond roller is suitable for processing the grinding wheel in large batch, and the service life, the grinding wheel after grinding and trimming is used for grinding and molding the spiral groove of the drill bit cutter, and compared with the drill bit drilling machining cutter spiral groove, the diamond roller machining grinding wheel is high in trimming precision, production cost is reduced, and the technical problem existing in the prior art is solved.

Having shown and described the basic principles and principal features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a drill bit orbit diamond roller, includes the gyro wheel body (1) and boss working face (5), its characterized in that: an upper convex ring (3) is arranged at the upper end of the roller body (1), a lower convex ring (4) is arranged at the lower end of the roller body (1), shaft holes (2) are formed in the upper convex ring (3) and the lower convex ring (4), and a boss working surface (5) is arranged on the outer peripheral surface of the roller body (1);

the top is equipped with second grinding layer (10) on boss working face (5), it is protruding (9) to be equipped with the circular arc around second grinding layer (10) outside, the protruding (9) surface of circular arc is the diamond layer, boss working face (5) terminal surface is equipped with first grinding layer (8) with the protruding (9) junction of circular arc down, first grinding layer (8) inboard is equipped with hypotenuse (7), hypotenuse (7) inboard is equipped with straight flange (6).

2. The drill bit track diamond wheel of claim 1, wherein: the upper convex ring (3), the lower convex ring (4) and the roller body (1) are all integrally formed.

3. The drill bit track diamond wheel of claim 1, wherein: the diameters of the upper convex ring (3) and the lower convex ring (4) are the same, and the height of the upper convex ring (3) is smaller than that of the lower convex ring (4).

4. The drill bit track diamond wheel of claim 1, wherein: the length of the first grinding layer (8) is smaller than the length of the second grinding layer (10).

5. The drill bit track diamond wheel of claim 1, wherein: chamfers are arranged on the upper end face and the lower end face of the shaft hole (2).

6. The drill bit track diamond wheel of claim 1, wherein: the boss working surface (5) of the roller body (1) is matched with the working surface of the grinding wheel.