CN210998241U

CN210998241U - Abrasive wheel cutting piece

Info

Publication number: CN210998241U
Application number: CN201922133289.5U
Authority: CN
Inventors: 李蒙; 李道玉; 张青禄
Original assignee: Zhengzhou Jiutian Industry And Trade Co ltd
Current assignee: Zhengzhou Jiutian Industry And Trade Co ltd
Priority date: 2019-12-02
Filing date: 2019-12-02
Publication date: 2020-07-14
Anticipated expiration: 2029-12-02

Abstract

The utility model relates to a grinding wheel cutting piece, it includes abrasive material combination and sets up the skeleton inside the abrasive material combination, the middle part of abrasive material combination is provided with the collar, the center of collar is provided with the circular shape connection pad, and the connection pad rotates with the collar to be connected, just the edge that is located the connection pad between connection pad and the collar is provided with the bolster, the tangent line direction of the buffering direction along the connection pad of bolster. The utility model discloses have the effect that reduces the impact force between abrasive material combination body and the collar.

Description

Abrasive wheel cutting piece

Technical Field

The utility model belongs to the technical field of an abrasive cutoff's technique and specifically relates to an abrasive cutoff piece is related to.

Background

The grinding wheel is a common consolidation grinding tool, and is mainly used for performing rough grinding, semi-finish grinding, grooving, cutting off and other operations on an outer circle, an inner circle, a plane and other molded surfaces of a metal or nonmetal workpiece. When the grinding wheel works, the grinding wheel rotating at a high speed is in contact with a workpiece to be machined and applies pressure, so that friction is generated, the cut object is decomposed, and the cutting task is completed.

Patent document CN109093533A discloses a cutting blade, which comprises a skeleton, an abrasive material combination and a mounting ring, wherein the skeleton is arranged inside the abrasive material combination, and the skeleton is a net-shaped annular blade and is surrounded by the abrasive material combination; the mounting ring is arranged in an inner hole of the abrasive material combination body, the section of the mounting ring is in a U-shaped annular shape, and the U-shaped edges of the mounting ring are wrapped on two sides of the inner ring area of the abrasive material combination body. During installation, the connecting shaft is inserted into the middle of the mounting ring and fixed with the mounting ring, and the abrasive material combination body is driven by the rotating of the connecting shaft through the mounting ring.

However, in the above structure, since the abrasive material combination is suddenly subjected to a large impact force during the contact process between the abrasive material combination and the cutting operation, the joint between the abrasive material combination and the mounting ring is easily damaged.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a wheel cutting piece, it has the effect that reduces the impact force between abrasive material combination body and the collar.

The above object of the present invention is achieved by the following technical solutions:

the utility model provides a grinding wheel cutting piece, includes abrasive material assembly and sets up the skeleton in abrasive material assembly inside, the middle part of abrasive material assembly is provided with the collar, the center of collar is provided with the circular shape connection pad, and the connection pad rotates with the collar to be connected, just be located the edge of connection pad between connection pad and the collar and be provided with the bolster, the tangential direction of the buffering direction along the connection pad of bolster.

By adopting the technical scheme, during use, the abrasive material combination body is connected with the mounting ring, the middle part of the mounting ring is provided with the connecting disc, the buffer piece is arranged between the connecting disc and the mounting ring, and the connecting disc is used for being connected to the cutting machine.

The utility model discloses further set up to: the side wall of the connecting disc is provided with a notch, the inner wall of the mounting ring is provided with a stop block, the stop block is inserted into the notch, the buffer part is a spring, one end of the spring is abutted against the stop block, and the other end of the spring is abutted against the side wall of the notch.

Through adopting above-mentioned technical scheme, set up the breach on the lateral wall of connection pad, set up the spring in the breach, when relative rotation between collar and connection pad, the dog extrusion deformation that receives of spring to can cushion the impact force between collar and the connection pad.

The utility model discloses further set up to: the two sides of the connecting disc are respectively provided with an extrusion piece, the diameter of each extrusion piece is larger than that of the connecting disc, and the mounting ring is clamped between the two extrusion pieces and the abrasive material combination body.

By adopting the technical scheme, the two surfaces of the connecting disc are respectively provided with the extrusion pieces, and the extrusion pieces are clamped on the mounting ring, so that the mounting ring and the abrasive material combination body are clamped on the two extrusion pieces, and the abrasive material combination body and the connecting disc are prevented from axially moving.

The utility model discloses further set up to: the surface of the extrusion piece facing the mounting ring is provided with an annular groove, the circular circle center of the annular groove coincides with the center of the connecting disc, a plurality of steel balls are uniformly arranged in the annular groove, and a retainer is arranged on the outer side of each steel ball.

By adopting the technical scheme, the annular groove is formed in the extrusion piece, the steel balls are arranged in the annular groove, and when the extrusion piece and the mounting ring rotate, the friction force between the extrusion piece and the mounting ring can be reduced through the steel balls, so that the mounting ring can rotate conveniently.

The utility model discloses further set up to: the mounting ring comprises two opposite mounting pieces, the two mounting pieces are respectively positioned on two sides of the abrasive material combination body, and the two mounting pieces are arranged at intervals.

Through adopting above-mentioned technical scheme, the installation piece is provided with two, and the installation piece presss from both sides at the two sides of abrasive material combination to the interval sets up between two installation pieces, makes the installation piece can receive when the extrusion tighter with the extrusion between the abrasive material combination.

The utility model discloses further set up to: the connecting disc is provided with a first through hole, the extrusion sheet is provided with a second through hole, the first through hole and the second through hole are correspondingly arranged, and fixing assemblies are arranged in the first through hole and the second through hole.

By adopting the technical scheme, the first through hole is formed in the connecting disc, the second through hole is formed in the extruding sheet, and the extruding sheet is connected to the connecting disc in the first through hole and the second through hole through the fixing assembly.

The utility model discloses further set up to: the fixing component comprises a first connecting column and a second connecting column, the first connecting column and the second connecting column are inserted into the same first through hole relatively, one ends of the first connecting column and the second connecting column, which are located in the first through hole, are in threaded connection, and flanges are arranged at the ends, which are far away from the first through hole, of the first connecting column and the second connecting column, and penetrate through the second through hole.

By adopting the technical scheme, the first connecting column and the second connecting column are inserted into one end of the first through hole for threaded connection, so that when the first connecting column and the second connecting column rotate relatively, the flanges on the first connecting column and the second connecting column clamp the squeezing pieces relatively, and the squeezing pieces are fixed on the connecting disc and squeeze the mounting ring.

The utility model discloses further set up to: and a spring washer is arranged between the flange and the extrusion sheet.

Through adopting above-mentioned technical scheme, set up the spring washer between flange and extrusion piece, when spliced pole one and spliced pole two vibrations, can reduce the screw thread between spliced pole one and the spliced pole two and become flexible.

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

1. the abrasive material combination body is connected with the mounting ring, the connecting disc is arranged in the middle of the mounting ring, the buffer piece is arranged between the connecting disc and the mounting ring, and the connecting disc is connected to the cutting machine, so that when the abrasive material combination body is in contact with an article to be cut, the abrasive material combination body can rotate the mounting ring and the connecting disc after being impacted, the buffer piece is compressed and deformed, and the impact on the abrasive material combination body is reduced;

2. the two surfaces of the connecting disc are respectively provided with an extrusion piece, and the extrusion pieces are clamped on the mounting ring, so that the mounting ring and the abrasive material combination body are clamped on the two extrusion pieces, and the abrasive material combination body and the connecting disc are prevented from axially moving;

3. the annular groove is formed in the extrusion piece, the steel balls are arranged in the annular groove, and when the extrusion piece and the mounting ring rotate, friction force between the extrusion piece and the mounting ring can be reduced through the steel balls, so that the mounting ring can rotate conveniently.

Drawings

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

FIG. 2 is a schematic view of a half-section structure of the present invention;

FIG. 3 is an enlarged partial schematic view of portion A of FIG. 2;

FIG. 4 is a schematic structural diagram of a connecting disc;

FIG. 5 is a diagram showing a positional relationship between the land and the mounting piece;

fig. 6 is a schematic view of the structure of the pressing sheet.

In the figure, 1, abrasive material assembly; 11. a circular hole; 2. a framework; 3. a mounting ring; 31. mounting a sheet; 32. a stopper; 4. extruding the sheet; 41. a second through hole; 5. a connecting disc; 51. a threaded hole; 52. a notch; 53. a first through hole; 6. a spring; 7. a fixing assembly; 71. connecting a column I; 72. connecting a second column; 73. a flange; 74. a spring washer; 8. an annular groove; 9. steel balls; 91. a cage.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the utility model discloses a wheel cutting piece, including abrasive material combination 1 and the skeleton 2 of setting in abrasive material combination 1 inside, abrasive material combination 1 forms the disc with skeleton 2. Referring to fig. 3, a circular hole 11 is formed in the middle of the abrasive material combination 1, a mounting ring 3 is arranged in the circular hole 11, the mounting ring 3 includes two mounting pieces 31 which are oppositely arranged, the two mounting pieces 31 form the mounting ring 3 with a U-shaped cross section and an annular structure, so that the abrasive material combination 1 is sandwiched between the two mounting pieces 31, and the two mounting pieces 31 are arranged at intervals, so that the two mounting pieces 31 can be completely attached to two surfaces of the abrasive material combination 1; the two mounting pieces 31 are provided with the pressing pieces 4 on the surface opposite to the abrasive material combination 1, and the mounting pieces 31 are firmly attached to the abrasive material combination 1 by pressing the two pressing pieces 4 to the middle.

Referring to fig. 4 and 5, in order to reduce the impact force of the abrasive material combination 1 when contacting with an article to be cut, a connection disc 5 is arranged in the middle of the mounting ring 3, a threaded hole 51 is formed in the center of the connection disc 5 and used for connecting with a cutting machine, the connection disc 5 is cylindrical, the outer diameter of the connection disc 5 is equal to the inner diameter of the mounting ring 3, a notch 52 is formed in the side wall of the connection disc 5, the notch 52 is arc-shaped and strip-shaped, a spring 6 is arranged in the notch 52, the spring 6 is arranged along the arc-shaped direction of the notch 52 in the length direction, a stopper 32 is arranged in the notch 52, the stopper 32 is integrally formed with the mounting plate 31, the stopper 32 is located at one end of the spring 6, one end of the spring 6 abuts against. In use, when the abrasive material combination 1 is impacted, the mounting ring 3 rotates relative to the connecting disc 5, so that the spring 6 contracts, and the impact force on the abrasive material combination 1 is reduced.

Referring to fig. 3, the diameter of the connecting disc 5 is smaller than that of the pressing sheet 4, a plurality of first through holes 53 are formed in the connecting disc 5, a plurality of second through holes 41 corresponding to the first through holes 53 are formed in the pressing sheet 4, and the diameter of the first through holes 53 is equal to that of the second through holes 41. And a fixing component 7 is arranged in each through hole I53, and the fixing component 7 is used for connecting the extrusion sheet 4 and the connecting disc 5. The fixing component 7 comprises a first connecting column 71 and a second connecting column 72, flanges 73 are arranged at one ends of the first connecting column 71 and the second connecting column 72, the diameter of each flange 73 is larger than that of the first through hole 53, elastic cushion spring coils 74 are sleeved on the first connecting column 71 and the second connecting column 72, one ends, far away from the flanges 73, of the first connecting column 71 and the second connecting column 72 penetrate through the second through hole 41 and are inserted into the first through hole 53, the first connecting column 71 and the second connecting column 72 are inserted into one end of the first through hole 53 in a threaded connection mode, the first connecting column 71 and the second connecting column 72 are relatively close to each other, the elastic cushion spring coils 74 are squeezed between the squeezing piece 4 and the flanges 73, and in the using process, the elastic cushion spring coils 74 can reduce looseness of the first.

Referring to fig. 3 and 6, in order to reduce the friction force between the mounting ring 3 and the extrusion sheet 4, an annular groove 8 is formed in the surface of the extrusion sheet 4 facing the mounting ring 3, the circular center of the annular groove 8 coincides with the center of the connecting disc 5, a plurality of steel balls 9 are arranged in the annular groove 8, the steel balls 9 abut against the mounting ring 3, a retainer 91 is arranged at the position of the steel rings, the retainer 91 is a metal ring, and a plurality of holes corresponding to the steel balls 9 are formed in the metal ring, so that the steel balls 9 are uniformly distributed in the annular groove 8.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a abrasive cutting piece, includes abrasive material combination (1) and sets up skeleton (2) inside abrasive material combination (1), the middle part of abrasive material combination (1) is provided with collar (3), its characterized in that: the center of collar (3) is provided with circular shape connection pad (5), and connection pad (5) rotate with collar (3) and are connected, the edge that just is located connection pad (5) between connection pad (5) and collar (3) is provided with the bolster, the tangent direction of the buffering direction along connection pad (5) of bolster.

2. The abrasive cutting disc of claim 1, wherein: the novel buffer is characterized in that a notch (52) is formed in the side wall of the connecting disc (5), a stop block (32) is arranged on the inner wall of the mounting ring (3), the stop block (32) is inserted into the notch (52), the buffer is a spring (6), one end of the spring (6) is abutted to the stop block (32), and the other end of the spring is abutted to the side wall of the notch (52).

3. A cutting wheel segment according to claim 1 or 2, characterized in that: two sides of the connecting disc (5) are respectively provided with an extrusion piece (4), the diameter of the extrusion piece (4) is larger than that of the connecting disc (5), and the mounting ring (3) is clamped between the two extrusion pieces (4) and the abrasive material combination body (1).

4. A cutting wheel segment according to claim 3, wherein: the surface of the extrusion piece (4) facing the mounting ring (3) is provided with an annular groove (8), the circle center of the circle of the circular shape of the annular groove (8) coincides with the center of the connecting disc (5), a plurality of steel balls (9) are uniformly arranged in the annular groove (8), and a retainer (91) is arranged on the outer side of each steel ball (9).

5. The abrasive cutting disc of claim 4, wherein: the mounting ring (3) comprises two opposite mounting pieces (31), the two mounting pieces (31) are respectively positioned on two sides of the abrasive material combination body (1), and the two mounting pieces (31) are arranged at intervals.

6. The abrasive cutting disc of claim 4, wherein: the connecting disc (5) is provided with a first through hole (53), the extrusion sheet (4) is provided with a second through hole (41), the first through hole (53) and the second through hole (41) are correspondingly arranged, and the first through hole (53) and the second through hole (41) are internally provided with fixing components (7).

7. The abrasive cutting disc of claim 6, wherein: the fixing component (7) comprises a first connecting column (71) and a second connecting column (72), the first connecting column (71) and the second connecting column (72) are inserted into the same first through hole (53) relatively, one ends of the first connecting column (71) and the second connecting column (72) located in the first through hole (53) are in threaded connection, and one ends, far away from the first through hole (53), of the first connecting column (71) and the second connecting column (72) penetrate through the second through hole (41) to be provided with flanges (73).

8. The abrasive cutting segment of claim 7, wherein: and a spring washer (74) is arranged between the flange (73) and the extrusion sheet (4).