CN217123570U

CN217123570U - Diamond saw blade capable of keeping sharpness

Info

Publication number: CN217123570U
Application number: CN202123023684.1U
Authority: CN
Inventors: 贾士真; 周君奇; 贾吉强
Original assignee: Shijiazhuang Baite Tools Co ltd
Current assignee: Shijiazhuang Baite Tools Co ltd
Priority date: 2021-12-02
Filing date: 2021-12-02
Publication date: 2022-08-05
Anticipated expiration: 2031-12-02

Abstract

The utility model provides a diamond saw blade capable of keeping sharpness, belonging to the technical field of cutting processing equipment, comprising a saw blade base body and a plurality of tool bits, wherein a plurality of mounting parts are distributed on the saw blade base body along the circumference, and a first scrap discharge groove arranged along the radial direction of the saw blade base body is arranged between two adjacent mounting parts; a plurality of tool bits one-to-one are located on a plurality of installation portions, and the thickness of tool bit increases along the direction of rotation of saw bit base member gradually. The utility model provides a can keep diamond saw blade of sharpness through the thickness that sets up the tool bit, has guaranteed that the piece between tool bit and the cutting thing can in time discharge, reduces the influence of piece to the tool bit, guarantees that the tool bit can keep sharp when the cutting, improves diamond saw blade's life.

Description

Diamond saw blade capable of keeping sharpness

Technical Field

The utility model belongs to the technical field of the cutting process equipment, more specifically say, relate to a diamond saw blade that can keep sharpness.

Background

The diamond saw blade is a cutting tool and is widely applied to processing of hard and brittle materials such as concrete, refractory materials, stones, ceramics and the like. The diamond saw blade mainly comprises a base body and a tool bit, wherein the base body is a main supporting part, the tool bit is a part which plays a cutting role in the using process, and the tool bit can play a cutting role because the components of the tool bit contain diamond.

During the use of the diamond saw blade, the friction force generated between the cutting tip and the cutting object, including the resistance between the top surface of the cutting tip and the cutting object and the friction force between the two side surfaces of the cutting tip and the cutting chips, is an important factor affecting the working efficiency of the saw blade. The piece between tool bit top surface and the cutting thing though can discharge through the chip groove of vertical setting between the tool bit, but still can remain some pieces, when sawing, this part piece contacts with the blade of tool bit, reduces the sharpness of blade, and under the great condition of saw cutting degree of depth, the piece is more difficult for discharging, and the piece between tool bit top surface and the cutting thing is more, leads to the quick decline of tool bit sharpness, has seriously influenced diamond saw blade's life.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can keep the diamond saw blade of sharpness aims at solving the diamond saw blade and can not keep the problem that the blade is sharp for a long time.

In order to achieve the above object, the utility model adopts the following technical scheme: provided is a diamond saw blade capable of maintaining sharpness, including:

the saw blade comprises a saw blade base body, wherein a plurality of mounting parts are distributed on the saw blade base body along the circumference, and a first chip groove arranged along the radial direction of the saw blade base body is arranged between every two adjacent mounting parts;

and the saw blade base body is provided with a plurality of mounting parts, the mounting parts are arranged on the saw blade base body, and the thickness of the saw blade base body is gradually increased along the rotating direction of the saw blade base body.

As another embodiment of the present application, the cutter head includes:

a bit base connected to the mounting portion;

the two side edge parts are symmetrically arranged on two sides of the tool bit base part.

As another embodiment of the present application, the side edge portions have a triangular cross-section.

As another embodiment of this application, the laminating of first lateral wall is in on the lateral wall of tool bit base portion, the second lateral wall of lateral edge with the front end parallel and level of tool bit base portion, first lateral wall with the second lateral wall is perpendicular.

As another embodiment of the present application, the bit base portion is integrally formed with the side edge portion.

As another embodiment of the present application, the tool tip front end thickness is 1.5 times the tool tip rear end thickness.

As another embodiment of the present application, the thickness of the bit base is greater than the thickness of the mounting portion.

As another embodiment of the present application, the tool bit has a second chip flute disposed along a radial direction of the saw blade body.

The utility model provides a can keep diamond saw blade of sharpness's beneficial effect lies in: compared with the prior art, the utility model discloses can keep the diamond saw blade of sharpness, through the thickness that sets up the tool bit, guarantee that the piece between tool bit and the cutting thing can in time discharge, reduce the influence of piece to the tool bit, guarantee that the tool bit can keep sharp when the cutting, improve diamond saw blade's life.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic structural view of a diamond saw blade capable of maintaining sharpness according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a cutter head according to an embodiment of the present invention;

fig. 3 is a front view of a cutter head provided in an embodiment of the present invention;

fig. 4 is a bottom view of the cutter head according to the embodiment of the present invention.

In the figure: 10. a saw blade substrate; 11. an installation part; 12. a first chip discharge groove; 20. a cutter head; 21. a bit base; 22. a side blade part; 23. a boss portion; 30. a second chip groove.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 to 4, a diamond saw blade capable of maintaining sharpness according to the present invention will be described. The diamond saw blade capable of keeping sharpness comprises a saw blade matrix 10 and a plurality of tool bits 20, wherein a plurality of mounting parts 11 are distributed on the saw blade matrix 10 along the circumference, and a first chip discharge groove 12 arranged along the radial direction of the saw blade matrix 10 is arranged between every two adjacent mounting parts 11; the plurality of cutting heads 20 are correspondingly arranged on the plurality of mounting parts 11, and the thickness of the cutting heads 20 gradually increases along the rotation direction of the saw blade base body 10.

The utility model provides a can keep diamond saw blade of sharpness compares with prior art, and a plurality of tool bits 20 are in saw bit base member 10's periphery with the help of 11 evenly distributed of installation department, and the one end that tool bit 20 cut into the cutting thing is the front end, and the other end is the rear end, and tool bit 20 is crescent along saw bit base member 10's direction of rotation, and tool bit 20's thickness reduces from the front end to the rear end gradually promptly.

During sawing, the cutting head 20 cuts into the object to be cut from the front end having a relatively large thickness, a cutting groove having a width equal to the thickness of the front end of the cutting head 20 is formed between the cutting head 20 and the object to be cut, and the thickness of the cutting head 20 is gradually reduced from front to back, so that a chip discharge gap having an opening gradually increased from front to back is formed between the outer side wall of the cutting head 20 and the side wall of the cutting groove, so that chips generated from the front end of the cutting head 20 and the object to be cut can be timely discharged from the chip discharge gap without being accumulated between the cutting head 20 and the object to be cut. The chips move backwards from the chip discharge gap, enter the first chip discharge groove 12 from the gap between the two tool bits 20, and are finally discharged from the first chip discharge groove 12.

The utility model provides a can keep diamond saw blade of sharpness through the thickness that sets up tool bit 20, has guaranteed that the piece between tool bit 20 and the cutting thing can in time discharge, reduces the influence of piece to tool bit 20, guarantees that tool bit 20 can keep sharp when the cutting, improves diamond saw blade's life.

Alternatively, the bottom end of the cutter head 20 is connected to the mounting portion 11, the top end of the cutter head 20 is a blade end, a cutting surface of the cutter head 20 in the radial direction of the saw blade is rectangular, and the thickness of the cutter head 20 from the blade end to the bottom end in the radial direction of the saw blade is constant.

In some possible embodiments, referring to fig. 4, the cutter head 20 includes a cutter head base 21 and two side blades 22, the cutter head base 21 is connected with the mounting portion 11; the two side blades 22 are symmetrically arranged on two sides of the cutter head base 21, and the thickness of the side blades 22 is gradually reduced from front to back.

Specifically, the bottom end of the bit base 21 is connected to the outside of the mounting portion 11 and extends in a direction away from the center of the blade body 10; the tip of the bit base 21 is a blade end. The side blades 22 are attached to both sides of the cutter head base 21 to adjust the thickness of the cutter head 20, so that the cutter head 20 has a dovetail structure with a thick front end and a thin rear end.

Alternatively, the blade base 21 may have a rectangular cross section in the radial direction of the saw blade, and the thickness of the blade base 21 from the blade end to the base end in the radial direction of the saw blade may be constant.

Alternatively, the front end of the side edge portion 22 is flush with the front end of the bit base portion 21, and the rear end of the side edge portion 22 is flush with the rear end of the bit base portion 21. The side edge part 22 is rectangular along the radial section of the saw blade, and the thickness of the side edge part 22 from the top end to the bottom end along the radial direction of the saw blade is kept constant.

In some possible embodiments, the side edges 22 are triangular in cross-section.

Specifically, the cross section of the bit base 21 is rectangular or trapezoidal, the wall surfaces of both sides of the bit base 21 are connected with the wall surfaces of the side cutting edges 22, the cross section of the side cutting edges 22 is triangular, and the cross section of the bit 20 formed by combining the bit base 21 and the side cutting edges 22 is trapezoidal, wherein the width of the front end of the trapezoid is greater than the width of the rear end of the trapezoid.

Optionally, the cross section of the blade base 21 is trapezoidal, wherein the width of the rear end of the trapezoid is the same as the width of the mounting portion 11 of the blade body 10, and the width of the front end of the trapezoid is greater than the width of the mounting portion 11 of the blade body 10, so as to achieve stable connection between the blade base 21 and the blade body 10. At this time, the side edge portions 22 have a triangular cross section, and the side edge portions 22 are attached to both sides of the bit base portion 21 to adjust the thickness of the bit base portion 21.

In some possible embodiments, referring to fig. 4, a first side wall of the side edge 22 fits over a side wall of the bit base 21, a second side wall of the side edge 22 is flush with the front end of the bit base 21, and the first side wall is perpendicular to the second side wall.

Specifically, the cross section of the bit base 21 is rectangular, and the cross section of the side edge 22 is right-angled triangle, wherein the right angle of the side edge 22 is attached to the front end of the bit base 21. One right-angle side of the cross section of the side edge part 22 is attached to one side surface of the cutter head base part 21, and the other right-angle side of the cross section of the side edge part 22 is flush with the front end surface of the cutter head base part 21. The wall surface of the cross section of the side edge portion 22 on which the oblique side is located forms the side wall of the cutter head 20.

Optionally, the bit base 21 is integrally formed with the side blade 22. The bit base 21 and the side cutting edge 22 are integrally cast, so that the connection strength between the bit base 21 and the side cutting edge 22 can be improved, and the service life of the bit 20 can be prolonged.

Optionally, the thickness of the front end of the cutter head 20 is 1.5 times the thickness of the rear end of the cutter head 20. The size of the tool bit 20 is 40 multiplied by 15 multiplied by 4.2 multiplied by 2.8mm, the thickness of the front end of the tool bit 20 is 4.2mm, the thickness of the rear end of the tool bit 20 is 2.8mm, and the included angles of the two side walls and the wall surface of the front end of the tool bit 20 are consistent. Tool bit 20 front end thickness does 1.5 times of tool bit 20 rear end thickness when guaranteeing tool bit 20 life, the diamond piece card that avoids wearing and tearing to drop can't drop in the chip removal gap, leads to tool bit 20 impaired.

Debris is generated from the front end and the cutting edge of the cutting head 20, and during cutting, the debris continuously enters the debris discharge gap between the side wall of the cutting head 20 and the cutting groove and is discharged from the cutting groove through the debris discharge gap.

In order to secure the coupling stability of the blade 20 and the saw blade, the thickness of the blade base 21 is greater than that of the mounting portion 11. The bottom end of the tool bit base 21 is welded with the top end of the mounting part 11, and the thickness of the tool bit base 21 is larger than that of the mounting part 11, so that the whole top end face of the mounting part 11 is stably connected with the tool bit base 21. And the scraps can be discharged in time when reaching the bottom end of the cutter head base part 21 from the scrap discharge gap, so as to avoid contact with the saw blade.

The blade body 20 is further provided with a second chip groove 30 arranged along the radial direction of the blade body 10, the notch of the second chip groove 30 is opened at the top end of the blade body 20, the depth of the second chip groove 30 is gradually reduced from front to back, the depth of the front end of the second chip groove 30 is about half of the height of the blade body 20, and the depth of the rear end of the second chip groove 30 is less than half of the height of the blade body 20.

Optionally, the size of the tool bit 20 is 40 × 15 × 4.2 × 2.8mm, the depth of the front end of the second chip groove 30 is 8mm, and the depth of the rear end of the second chip groove 30 is 5mm, so as to increase the connection length between the rear end of the second chip groove 30 and the side wall of the tool bit 20 and improve the chip removal efficiency.

Optionally, the top end of the cutter head 20 is provided with a plurality of protrusions 23 at intervals. In the initial stage of cutting, the projections 23 come into contact with the workpiece, and wear occurs during the cutting process, whereby the outer layer of the projections 23 is worn away to expose the diamond inside, and cutting is performed by the diamond. The contact area of the protruding part 23 and the cutting object is small, the cutting is convenient, the sharpening effect of the tool bit 20 directly completed by the abrasion of the protruding part 23 is achieved, and a large amount of scraps and pollution generated in the sharpening process of the grinding wheel are avoided.

Alternatively, the projections 23 are integrally formed with the cutting head 20.

Optionally, the protrusions 23 are serrated.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A diamond saw blade capable of maintaining sharpness, comprising:

2. The sharpness preserving diamond saw blade of claim 1, wherein the tip comprises:

a bit base connected to the mounting portion;

3. The diamond saw blade capable of maintaining sharpness of claim 2, wherein the cross-section of the side edge portion is triangular.

4. The diamond saw blade of claim 3, wherein a first side wall of the side edge portion abuts a side wall of the base portion of the blade, a second side wall of the side edge portion is flush with the front end of the base portion of the blade, and the first side wall is perpendicular to the second side wall.

5. The diamond saw blade capable of maintaining sharpness of claim 2, wherein the tip base portion is integrally formed with the side edge portion.

6. The diamond saw blade capable of maintaining sharpness of claim 1, wherein the blade front end thickness is 1.5 times the blade rear end thickness.

7. The diamond saw blade capable of maintaining sharpness of claim 2, wherein a thickness of the tip base portion is greater than a thickness of the mounting portion.

8. The diamond saw blade capable of maintaining sharpness of claim 1, wherein the blade head has second flutes disposed radially along the blade body.