CN220660510U

CN220660510U - Longer CBN inner circle segmentation structure recombination grinding wheel

Info

Publication number: CN220660510U
Application number: CN202322286142.6U
Authority: CN
Inventors: 毛广华; 邓志雄
Original assignee: Kunshan Xinlun Superabrasives Co ltd
Current assignee: Kunshan Xinlun Superabrasives Co ltd
Priority date: 2023-08-24
Filing date: 2023-08-24
Publication date: 2024-03-26
Anticipated expiration: 2033-08-24

Abstract

The utility model discloses a recombined grinding wheel with a longer CBN inner circle cutting structure, which comprises grinding wheel blanks subjected to feeding and compression molding in different proportions for a plurality of times; the recombined grinding wheel is formed by uniformly dividing, cutting and recombining a grinding wheel blank; the restructured grinding wheel comprises: the first grinding wheel section, the second grinding wheel section, the third grinding wheel section, the fourth grinding wheel section and the fifth grinding wheel section are divided, so that the taper of the workpiece is better kept. The recombined grinding wheel with the longer CBN inner circle cutting structure is formed by feeding and pressing grinding wheel blanks in different proportions for a plurality of times, then dividing and cutting uniformly, and then recombining the staggered serial numbers into the recombined grinding wheel, so that the grinding wheel has good abrasive tissue uniformity, the workpiece is manufactured and processed by the grinding wheel to better maintain the taper of the workpiece, the clamping is more stable, the grinding wheel tissue is uniform, the self-sharpening performance is better consistent up and down, the taper size of grinding wheel abrasive dust is kept stable, and the grinding wheel abrasive dust is not easy to deform.

Description

Longer CBN inner circle segmentation structure recombination grinding wheel

Technical Field

The utility model relates to the field of grinding wheels, in particular to a recombined grinding wheel with a longer CBN inner circle segmentation structure.

Background

The internal grinding wheel is an important mode for finishing the inner hole of a grinding workpiece, and the grinding wheel has good self-sharpening property so as to avoid sticking scraps, has good dimensional stability so as to ensure machining form and position tolerance (roundness, cylindricity, conicity and the like) and the like. When a large number of inner hole workpieces with long grinding depth are ground, the uniformity of the grinding wheel is poor before, so that the working layer of the grinding wheel cannot meet the use standard in the grinding process.

The reason for the above phenomenon is: the inner circle grinding wheel with longer length has poor uniformity of compression molding and insufficient machining precision of the inner hole of the workpiece. The abrasive tissues at the upper end and the lower end of the grinding wheel are inconsistent with those at the middle layer, and the upper, middle and lower densities are uneven, so that the precision of grinding a workpiece by using the grinding wheel cannot meet the requirement. In addition, the existing grinding wheel is generally installed through a flange, so that the assembly and disassembly are not convenient enough, and time and labor are wasted.

Therefore, it is necessary to provide a longer CBN inner circle segment structure reorganized grinding wheel to solve the above problems.

Disclosure of Invention

The utility model mainly aims to provide a recombined grinding wheel with a longer CBN inner circle segmentation structure, which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

a recombined grinding wheel with a longer CBN inner circle cutting structure comprises grinding wheel blanks which are subjected to material feeding and compression molding in different proportions for a plurality of times;

the recombined grinding wheel is formed by uniformly dividing, cutting and recombining a grinding wheel blank; the restructured grinding wheel comprises: the first grinding wheel section, the second grinding wheel section, the third grinding wheel section, the fourth grinding wheel section and the fifth grinding wheel section are divided, so that the taper of the workpiece is better kept.

Preferably, the grinding wheel also comprises a rotating shaft for driving the recombined grinding wheel to rotate; the rotating shaft is connected with the recombined grinding wheel through a fixing part.

Preferably, the evenly divided surface of the grinding wheel blank is a right angle with the axis of the grinding wheel blank.

Preferably, the surface of the grinding wheel blank which is equally divided and cut is an acute angle or an obtuse angle with the axis of the grinding wheel blank.

Preferably, the first grinding wheel section, the second grinding wheel section, the third grinding wheel section, the fourth grinding wheel section and the fifth grinding wheel section are bonded.

Preferably, the fixing member includes: the inner bushing is fixedly connected to the inner wall of the recombined grinding wheel, the rotating shaft is in plug-in fit with the inner side of the inner bushing, a thread groove is formed in one end of the rotating shaft, a bolt is arranged at one end of the inner bushing, positioning grooves are uniformly formed in the side face of the inner cavity of the inner bushing, and positioning convex strips are uniformly formed in the side face of the end part of the rotating shaft in an integrated mode.

Preferably, the end part of the rotating shaft is fixed with the thread groove through a bolt after the rotating shaft is inserted into the inner bushing; the positioning convex strips are in plug-in fit with the positioning grooves, and the end parts of the positioning convex strips and the positioning grooves are provided with adaptive chamfers.

Preferably, a spring is arranged at the tail end of the inner side of the thread groove, a cylinder is arranged at one end of the spring, and a convex ball and a cylindrical ball are movably arranged on one side, away from the spring, of the cylinder.

Preferably, the cylinder is movably connected with the inner side of the thread groove, and the ball is abutted with the end part of the bolt.

Advantageous effects

Compared with the prior art, the utility model provides a recombined grinding wheel with a longer CBN inner circle segmentation structure, which has the following beneficial effects:

1. the recombined grinding wheel with the longer CBN inner circle cutting structure is formed by feeding and pressing grinding wheel blanks in different proportions for a plurality of times, then dividing and cutting uniformly, and then recombining the staggered serial numbers into the recombined grinding wheel, so that the grinding wheel has good abrasive tissue uniformity, the workpiece is manufactured and processed by the grinding wheel to better maintain the taper of the workpiece, the clamping is more stable, the grinding wheel tissue is uniform, the self-sharpening performance is better consistent up and down, the taper size of grinding wheel abrasive dust is kept stable, and the grinding wheel abrasive dust is not easy to deform.

2. This structure recombination emery wheel is cut apart to longer CBN interior circle, the fixed dismouting of rotation axis and recombination emery wheel of being convenient for through mutually supporting of bolt, inner liner, constant head tank, location sand grip, the thread groove that set up, convenient operation has improved efficiency, the setting of spring, cylinder, ball is convenient for increase the steadiness of bolt, and the bolt gets into behind the thread groove and contradicts with the ball, then drives cylinder compression spring, and then the spring produces reverse effort and applies to the bolt, and then has increased the steadiness, has avoided not hard up possibility.

Drawings

FIG. 1 is a schematic view of a first embodiment of the present utility model;

FIG. 2 is a schematic diagram of a second embodiment of the present utility model;

FIG. 3 is a schematic cross-sectional view of the present utility model illustrating the connection of the rotary shaft and the inner bushing;

FIG. 4 is a schematic perspective view of the end of the rotary shaft of the present utility model

FIG. 5 is a schematic diagram of the structure of the segment reorganization of the reorganization grinding wheel of the utility model.

In the figure: 1. a first grinding wheel segment; 2. a second grinding wheel segment; 3. a third grinding wheel segment; 4. a fourth grinding wheel segment; 5. a fifth grinding wheel segment; 6. a rotation shaft; 7. an inner liner; 8. a bolt; 9. a thread groove; 10. a spring; 11. a cylinder; 12. a ball; 13. a positioning groove; 14. positioning convex strips; 15. grinding wheel blank.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

1-5, a recombined grinding wheel with a longer CBN inner circle dividing structure comprises a grinding wheel blank 15 which is formed by feeding and pressing in different proportions for a plurality of times; the recombined grinding wheel is formed by uniformly cutting and recombining a grinding wheel blank 15, so that the taper of a workpiece is better kept; the recombined grinding wheel comprises: the first grinding wheel section 1, the second grinding wheel section 2, the third grinding wheel section 3, the fourth grinding wheel section 4 and the fifth grinding wheel section 5 which are formed by cutting are bonded together, and the first grinding wheel section 1, the second grinding wheel section 2, the third grinding wheel section 3, the fourth grinding wheel section 4 and the fifth grinding wheel section 5 are bonded together.

As an embodiment of the present application, the surface of the grinding wheel blank 15 cut equally is at right angles to the axis of the grinding wheel blank 15.

As an embodiment of the present application, the surface of the grinding wheel blank 15 cut equally is at an acute angle or an obtuse angle to the axis of the grinding wheel blank 15.

The rotary shaft 6 drives the recombined grinding wheel to rotate; the rotating shaft 6 is connected with the recombined grinding wheel through a fixing part. The fixing member includes: an inner bushing 7 fixedly connected to the inner wall of the recombined grinding wheel, wherein the rotating shaft 6 is in plug-in fit with the inner side of the inner bushing 7, a thread groove 9 is formed in one end of the rotating shaft 6, a bolt 8 is arranged at one end of the inner bushing 7, and the end of the rotating shaft 6 is in plug-in connection with the inner bushing 7 and then is in thread fixation with the thread groove 9 through the bolt 8; the side of the inner chamber of the inner bushing 7 is evenly provided with a positioning groove 13, the side of the end part of the rotating shaft 6 is evenly integrally formed with a positioning convex strip 14, the positioning convex strip 14 is in plug-in fit with the positioning groove 13, and the end parts of the positioning convex strip 14 and the positioning groove 13 are respectively provided with an adaptive chamfer which is convenient for insertion.

Further, a spring 10 is arranged at the inner end of the thread groove 9, a cylinder 11 is arranged at one end of the spring 10, a ball 12 protruding out of the cylinder 11 is movably arranged on one side, far away from the spring 10, of the cylinder 11, the cylinder 11 is movably connected with the inner side of the thread groove 9, and the ball 12 is abutted to the end of the bolt 8.

It should be noted that the utility model is a recombined grinding wheel with a longer CBN inner circle dividing structure, and when in use, grinding wheel blanks 15 with different proportions of corresponding products are manufactured; then placing the grinding wheel blank 15 into a baking oven for baking; the grinding wheel blank 15 is processed and segmented; dividing the average length of the grinding wheel into equal sections; bonding, solidifying and processing the cut grinding wheel to obtain a recombined grinding wheel;

when the recombined grinding wheel is installed with the rotating shaft 6, firstly, the end part of the rotating shaft 6 is inserted into the inner lining 7 on the inner side of the recombined grinding wheel, so that the positioning convex strips 14 enter the positioning grooves 13, positioning and rotation prevention can be achieved, then the bolts 8 are inserted from the other end and are in threaded connection with the thread grooves 9, the bolts 8 enter the thread grooves 9 and then are abutted against the balls 12, then the cylinders 11 are driven to compress the springs 10, and further the springs 10 generate reverse acting force to be applied to the bolts 8, so that stability is improved, and the possibility of loosening is avoided.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The recombined grinding wheel with the longer CBN inner circle cutting structure is characterized by comprising a grinding wheel blank (15) which is manufactured by feeding and pressing in different proportions for a plurality of times;

the recombined grinding wheel is formed by equally dividing and recombining a grinding wheel blank (15); the restructured grinding wheel comprises: the grinding wheel comprises a first grinding wheel section (1), a second grinding wheel section (2), a third grinding wheel section (3), a fourth grinding wheel section (4) and a fifth grinding wheel section (5) which are divided.

2. A longer CBN inner circle segment structure reorganizing grinding wheel as defined in claim 1, wherein: the grinding wheel also comprises a rotating shaft (6) for driving the recombined grinding wheel to rotate; the rotating shaft (6) is connected with the recombined grinding wheel through a fixing part.

3. A longer CBN inner circle segment structure reorganizing grinding wheel as defined in claim 1, wherein: the evenly divided surface of the grinding wheel blank (15) is right angle with the axis of the grinding wheel blank (15).

4. A longer CBN inner circle segment structure reorganizing grinding wheel as defined in claim 1, wherein: the evenly divided surface of the grinding wheel blank (15) is an acute angle or an obtuse angle with the axis of the grinding wheel blank (15).

5. A longer CBN inner circle segment structure reorganizing grinding wheel as defined in claim 1, wherein: the first grinding wheel section (1), the second grinding wheel section (2), the third grinding wheel section (3), the fourth grinding wheel section (4) and the fifth grinding wheel section (5) are bonded.

6. A longer CBN inner circle segment structure reorganizing grinding wheel as defined in claim 2, wherein: the fixing member includes: the inner bushing (7) of the inner wall of the recombined grinding wheel is fixedly connected, the rotating shaft (6) is in plug-in fit with the inner side of the inner bushing (7), a thread groove (9) is formed in one end of the rotating shaft (6), a bolt (8) is arranged at one end of the inner bushing (7), a positioning groove (13) is uniformly formed in the side face of the inner cavity of the inner bushing (7), and a positioning convex strip (14) is uniformly formed in the side face of the end part of the rotating shaft (6) in an integrated mode.

7. The longer CBN inner circle segment structure restructured abrasive wheel of claim 6, wherein: the end part of the rotating shaft (6) is fixed with the thread groove (9) through the screw bolt (8) after being inserted into the inner bushing (7); the positioning convex strips (14) are in plug-in fit with the positioning grooves (13), and the end parts of the positioning convex strips (14) and the positioning grooves (13) are provided with adaptive chamfers.

8. The longer CBN inner circle segment structure restructured abrasive wheel of claim 7, wherein: the spring (10) is arranged at the tail end of the inner side of the thread groove (9), a cylinder (11) is arranged at one end of the spring (10), and a ball (12) protruding out of the cylinder (11) is movably arranged on one side, far away from the spring (10), of the cylinder (11).

9. The longer CBN inner circle segment structure restructured abrasive wheel of claim 8, wherein: the cylinder (11) is movably connected with the inner side of the thread groove (9), and the ball (12) is abutted with the end part of the bolt (8).