CN213702759U

CN213702759U - Roller for grinding crankshaft

Info

Publication number: CN213702759U
Application number: CN202022756425.9U
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 gyro wheel for grinding bent axle, including wheel body and working face, wheel body upper end is equipped with first bulge loop, the wheel body lower extreme is equipped with the second bulge loop, set up the shaft hole on first bulge loop and the second bulge loop, the wheel body is equipped with the working face along the outer peripheral face, the top is equipped with the second grinding layer on the working face, be equipped with the second and repair the circular arc around the second grinding layer outside, the second is repaired the circular arc outside and is connected the straight flange, the first circular arc of repairing is connected to the straight flange bottom, the first circular arc of repairing inboard is equipped with the first grinding layer, first is repaired circular arc, straight flange and the second on the working face and is repaired the circular arc surface and be equipped with the diamond layer; the utility model has the advantages of the emery wheel is maintained the precision height, long service life, work efficiency is high, low in production cost.

Description

Roller for grinding crankshaft

Technical Field

The utility model belongs to the technical field of the diamond gyro wheel technique and specifically relates to a gyro wheel for grinding bent axle is related to.

Background

The diamond roller is a rotary tool with a working surface which is full of a plurality of diamond particles and is used for grinding and finishing a grinding wheel, but the tool is a rotary body and is independently driven to rotate at a high speed when in work, so that the grinding wheel curved surface with high precision can be finished, the grinding wheel curved surface is greatly superior to a large-particle diamond cutter in the aspects of finishing efficiency, tool service life, simplicity and convenience in operation and the like, the grinding wheel finishing efficiency of the diamond roller is extremely high, the service life of the diamond roller is extremely long, the number of times of finishing can reach tens of thousands to tens of thousands, and in the actual production with high precision requirement, the high-precision diamond roller can be manufactured by a high-precision die, and the high-precision grinding wheel working surface which cannot be obtained by other methods can;

in the manufacturing process of a crankshaft, the precision requirement of the crankshaft can not be met by turning, the precision requirement can be met by grinding with a grinding machine, the end face shape of a grinding wheel can become irregular after the grinding wheel is used for a long time, the crankshaft grinding is prone to being inaccurate, the existing grinding wheel dressing mainly comprises that an operator uses a diamond pen to dress, the influence of artificial factors is large, the shape and the precision of the dressed grinding wheel can not meet the requirement, the grinding cannot meet the precision requirement on the surface of the crankshaft, raw materials are wasted, time and labor are wasted, and the working efficiency cannot be improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a gyro wheel for grinding bent axle has the emery wheel and has maintained the advantage that the precision is high, long service life, work efficiency are high, low 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: a gyro wheel for grinding bent axle, includes wheel body and working face, its characterized in that: the upper end of the wheel body is provided with a first convex ring, the lower end of the wheel body is provided with a second convex ring, shaft holes are formed in the first convex ring and the second convex ring, and the wheel body is provided with a working surface along the peripheral surface;

the working face upper end is equipped with the second grinding layer, the second grinding layer outside periphery is equipped with the second and repaiies the circular arc, the straight flange is connected in the circular arc outside is repaiied to the second, first repairment circular arc is connected to the straight flange bottom, first repairment circular arc inboard is equipped with first grinding layer, first repairment circular arc, straight flange and the second on the working face are repaiied the circular arc surface and are equipped with the diamond layer.

The utility model discloses further set up to: the first convex ring and the second convex ring are the same in diameter and height, and the first convex ring, the second convex ring and the wheel body are all integrally formed.

Through adopting above-mentioned technical scheme, the diameter and the height of first bulge loop and second bulge loop are the integrated into one piece just with the wheel body, when being convenient for grind the emery wheel, make the wheel body can stabilize the grinding at the during operation.

The utility model discloses further set up to: chamfers are arranged on the outer sides of the upper end surfaces and the lower end surfaces of the first convex ring and the second convex ring.

Through adopting above-mentioned technical scheme, the up end of first bulge loop and second bulge loop and lower extreme off-plate side are opened and are equipped with the chamfer and make diamond roller's grinding face edge comparatively slick and sly for diamond roller is difficult for colliding with the damage, prolongs diamond roller's life.

The utility model discloses further set up to: the length of the first grinding layer is the same as the length of the second grinding layer.

Through adopting above-mentioned technical scheme, the length of first grinding layer is the same with the length of second grinding layer, makes the wheel body can regular accurate grinding when the grinding wheel.

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.

Through adopting above-mentioned technical scheme, the chamfer makes the shaft hole inside wall not have sharp-pointed end angle, also can increase the surface area in shaft hole simultaneously, strengthens the frictional force between shaft hole and the drive mechanism to further strengthen the steadiness of structure.

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

Through adopting above-mentioned technical scheme, working face through the wheel body and grinding wheel phase-match make the working face can be fast accurate the repairment emery wheel, improve work efficiency.

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

1. when the roller for grinding the crankshaft is used, structurally, the transmission mechanism drives the diamond roller to rotate through the arrangement of the grinding layer and the working surface, the diamond roller is controlled to be continuously close to the grinding wheel, the working surface is contacted with the grinding wheel, and the surface of the grinding wheel can be continuously ground by the diamond layer, so that the grinding wheel can be dressed on line;

2. structurally, through first bulge loop and the second bulge loop that the terminal surface was equipped with about the wheel body for the wheel body can resist the wheel body better at the during operation and rotate produced centrifugal force in the axis of rotation, reduce because of the produced skew of wheel body rotation, improve the stability of wheel body when rotating, make things convenient for the diamond roller to grind the emery wheel, the bent axle is ground again after the emery wheel shaping, thereby pass through the emery wheel with the appearance profile and the precision of diamond roller, the surface of bent axle is duplicated to the size, thereby improve the precision of processing.

Drawings

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

fig. 2 is a schematic view of the overall structure of a roller for grinding a crankshaft according to the present invention;

fig. 3 is an enlarged schematic structural diagram of a point a of the roller for grinding the crankshaft of the present invention.

In the figure, 1, a wheel body; 2. a shaft hole; 3. a first convex ring; 4. a second convex ring; 5. a working surface; 6. a first grinding layer; 7. a first trimming arc; 8. straight sides; 9. a diamond layer; 10. second trimming circular arcs; 11. 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 the roller for grinding the crankshaft of the present invention, the roller comprises a roller body 1 and a working surface 5, wherein a first convex ring 3 is arranged at the upper end of the roller body 1, a second convex ring 4 is arranged at the lower end of the roller body 1, shaft holes 2 are arranged on the first convex ring 3 and the second convex ring 4, and the roller body 1 is provided with the working surface 5 along the outer peripheral surface;

in this embodiment, during machining, the first convex ring 3 and the second convex ring 4 are arranged on the upper end surface and the lower end surface of the wheel body 1, so that the wheel body 1 can better resist the centrifugal force generated by the rotation of the wheel body 1 on the rotating shaft during working, the offset generated by the rotation of the wheel body 1 is reduced, the stability of the wheel body 1 during rotation is improved, and the working surface 5 facilitates the grinding of the grinding wheel by the diamond roller.

As shown in fig. 1 and 3, a second grinding layer 11 is arranged at the top end of the working surface 5, a second dressing arc 10 is arranged around the outer side of the second grinding layer 11, the outer side of the second dressing arc 10 is connected with a straight edge 8, the bottom end of the straight edge 8 is connected with a first dressing arc 7, a first grinding layer 6 is arranged on the inner side of the first dressing arc 7, and diamond layers 9 are arranged on the surfaces of the first dressing arc 7, the straight edge 8 and the second dressing arc 10 on the working surface 5;

in this embodiment, through the setting of grinding bed and working face 5, drive mechanism drives the diamond gyro wheel and rotates, control diamond gyro wheel constantly is close to the emery wheel, working face 5 and emery wheel contact, diamond layer 9 just can constantly grind the emery wheel surface, thereby realize online repairment emery wheel, for using the diamond pen to repair the emery wheel, the emery wheel is maintained to the diamond gyro wheel and is revised the precision higher, the cost is reduced, and the diamond gyro wheel can grind the emery wheel for a long time, the work efficiency has effectively been improved, the bent axle is ground again after the emery wheel shaping, thereby with the appearance profile and the precision of diamond gyro wheel, the size is passed through the emery wheel and is duplicated the surface of bent axle, thereby improve the precision of processing.

Referring to fig. 1, the diameter and the height of the first convex ring 3 are the same as those of the second convex ring 4, the first convex ring 3, the second convex ring 4 and the wheel body 1 are integrally formed, the diameter and the height of the first convex ring 3 and the second convex ring 4 are the same as those of the wheel body 1, and the first convex ring 3 and the second convex ring 4 are integrally formed with the wheel body 1, so that the grinding wheel can be conveniently ground, and the wheel body 1 can be stably ground during working.

Referring to fig. 1, chamfers are arranged on the outer sides of the upper end face and the lower end face of the first convex ring 3 and the second convex ring 4, so that the grinding face edge of the diamond roller is smooth, the diamond roller is not prone to colliding and damaging, and the service life of the diamond roller is prolonged

Referring to fig. 3, the length of the first grinding layer 6 is the same as the length of the second grinding layer 11, and the length of the first grinding layer 6 is the same as the length of the second grinding layer 11, so that the wheel body 1 can be regularly and accurately ground when grinding the grinding wheel.

Referring to fig. 1, the chamfer has all been seted up to terminal surface about shaft hole 2, and the chamfer makes 2 inside walls in shaft hole not have sharp-pointed end angle, also can increase shaft hole 2's surface area simultaneously, strengthens the frictional force between shaft hole 2 and the drive mechanism to further strengthen the steadiness of structure.

Referring to fig. 1, the working surface 5 of the wheel body 1 is matched with a grinding wheel, and the working surface 5 of the wheel body 1 is matched with the grinding wheel, so that the grinding wheel can be quickly and accurately dressed on the working surface 5, and the working efficiency is improved.

The implementation principle of the embodiment is as follows:

the utility model relates to a gyro wheel for grinding bent axle, in processing, through first bulge loop 3 and second bulge loop 4 that are equipped with at wheel body 1 up and down terminal surface, make wheel body 1 can resist the centrifugal force that wheel body 1 rotated on the axis of rotation better at the during operation, reduce the skew that produces because of wheel body 1 rotates, improve the stability of wheel body 1 when rotating, working face 5 makes things convenient for diamond roller to grind the emery wheel, through the setting of grinding layer and working face 5, drive mechanism drives diamond roller and rotates, control diamond roller constantly is close to the emery wheel, working face 5 contacts with the emery wheel, diamond layer 9 can constantly grind the emery wheel surface, thereby realize online trimming emery wheel, the bent axle is ground again after the emery wheel shaping, thereby duplicate the appearance profile and the precision of diamond roller, the size through the emery wheel to the surface of bent axle, thereby improve the precision of processing, in order to solve the technical problems existing in the prior art.

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. A roller for grinding crankshafts, comprising a wheel body (1) and a working surface (5), characterized in that: a first convex ring (3) is arranged at the upper end of the wheel body (1), a second convex ring (4) is arranged at the lower end of the wheel body (1), shaft holes (2) are formed in the first convex ring (3) and the second convex ring (4), and a working surface (5) is arranged along the peripheral surface of the wheel body (1);

working face (5) are gone up the top and are equipped with second grinding layer (11), be equipped with second trimming circular arc (10) around second grinding layer (11) outside, straight flange (8) are connected to second trimming circular arc (10) outside, first trimming circular arc (7) are connected to straight flange (8) bottom, first trimming circular arc (7) inboard is equipped with first grinding layer (6), first trimming circular arc (7), straight flange (8) and second trimming circular arc (10) surface on working face (5) are equipped with diamond layer (9).

2. A roller for grinding a crankshaft as claimed in claim 1, wherein: the diameter and the height of the first convex ring (3) and the second convex ring (4) are the same, and the first convex ring (3), the second convex ring (4) and the wheel body (1) are all integrally formed.

3. A roller for grinding a crankshaft as claimed in claim 1, wherein: chamfers are arranged on the outer sides of the upper end surfaces and the lower end surfaces of the first convex ring (3) and the second convex ring (4).

4. A roller for grinding a crankshaft as claimed in claim 1, wherein: the length of the first grinding layer (6) is the same as the length of the second grinding layer (11).

5. A roller for grinding a crankshaft as claimed in claim 1, wherein: chamfers are arranged on the upper end face and the lower end face of the shaft hole (2).

6. A roller for grinding a crankshaft as claimed in claim 1, wherein: the working surface (5) of the wheel body (1) is matched with a grinding wheel.