CN215039005U

CN215039005U - Diamond saw blade with groove on tool bit

Info

Publication number: CN215039005U
Application number: CN202120130577.XU
Authority: CN
Inventors: 李水堤; 万元华; 刘志环; 林恒武
Original assignee: Jiangxi Zhongli Superhard Tools Co ltd
Current assignee: Jiangxi Zhongli Superhard Tools Co ltd
Priority date: 2021-01-18
Filing date: 2021-01-18
Publication date: 2021-12-07
Anticipated expiration: 2031-01-18

Abstract

The utility model relates to a cutting means technical field especially relates to a tool bit has notched diamond saw blade, including base member and a plurality of tool bit, the tool bit welding is along the outer of base member, the outer edge of tool bit is provided with a plurality of tooth's grooves, the interior edge of tool bit is provided with the arch, the outer draw-in groove that is provided with protruding looks adaptation along of base member, be provided with in the middle of the tool bit and keep away from base member one side for curved first radiating groove, be provided with a plurality of second radiating grooves on the base member, the second radiating groove is close to the arch and corresponding with each arch, the central line of first radiating groove, arch, second radiating groove overlaps mutually and its central line is the diameter of base member. The utility model discloses in, the design of tooth's socket can reduce tool bit wearing and tearing, and protruding design has strengthened the stability that tool bit and base member are connected, and first radiating groove can avoid the arch to receive too much geothermal stress and make the tool bit drop or split, and the position that base member and protruding contact can be avoided to the second radiating groove crackle.

Description

Diamond saw blade with groove on tool bit

Technical Field

The utility model relates to a cutting means technical field especially relates to a tool bit has notched diamond saw bit.

Background

The diamond saw blade is widely applied to processing of hard and brittle materials such as concrete, stone, ceramics and the like. Diamond saw blades generally consist of a circular base body with diamond tips welded to the outer edges of the base body. The diamond tool bit plays a role in cutting during use, the tool bit is continuously consumed in the cutting process, and the diamond in the tool bit plays a role in cutting.

The friction heat generated by the existing diamond saw blade during cutting can quickly heat the saw blade, particularly, the temperature of the outer ring of a matrix is higher by the aid of a tool bit and the matrix which are close to the outer ring, the thermal stress of the matrix is higher, the thermal stress can deform the matrix of the saw blade or cause the matrix of the saw blade to crack due to stress concentration, the tool bit with high speed and high temperature is easy to fall off and crack, and the using effect and the using safety of the saw blade are seriously affected.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a tool bit has notched diamond saw blade.

The utility model adopts the following technical scheme: the utility model provides a tool bit has notched diamond saw blade, includes base member and a plurality of tool bit, the tool bit welding is along the outer of base member, the outer edge of tool bit is provided with a plurality of tooth's grooves, the interior edge of tool bit is provided with the arch, the outer edge of base member be provided with the draw-in groove of protruding looks adaptation, be provided with in the middle of the tool bit and keep away from base member one side for curved first radiating groove, be provided with a plurality of second radiating grooves on the base member, the second radiating groove is close to protruding and corresponding with each arch, the central line of first radiating groove, arch, second radiating groove overlaps mutually and its central line is the diameter of base member.

Preferably, a chip groove is formed between every two adjacent cutter heads, the cross section of each chip groove is of a trapezoidal structure, one end of each chip groove close to the base is narrow, and the other end of each chip groove is wide.

Preferably, all be provided with the third radiating groove on the both sides wall of tool bit, the third radiating groove is towards the arc recess of tool bit middle part indent, third radiating groove and chip groove intercommunication.

Preferably, the outer edge of the base body is provided with a plurality of fourth heat dissipation grooves, the fourth heat dissipation grooves are arc-shaped grooves which are concave towards the circle center of the base body, and the fourth heat dissipation grooves correspond to the chip discharge grooves.

Preferably, the cross section of the protrusion is arc-shaped, and the radian of the arc is less than 180 degrees.

Preferably, the first heat dissipation groove has a crescent-shaped cross section.

Preferably, the cross section of the second heat dissipation groove is elliptical, and the long axis of the second heat dissipation groove points to the center of the base.

Preferably, the center of the base body is provided with a mounting hole for connecting with a rotating shaft.

The utility model discloses one of following beneficial effect has at least:

the utility model discloses in, the design of tooth's socket can reduce the tool bit and the area of contact by the cutting thing, reducing wear, it is more smooth and easy to make the saw bit cutting, the tool bit life-span is longer, protruding design has increased the welding area of tool bit and base member, form a screens structure especially, the stability that tool bit and base member are connected has been strengthened, first radiating groove can improve the radiating effect of tool bit, the arc structure more can be with the thermal stress dispersion that the tool bit produced, make it can not concentrate on the bellying, can avoid the arch to receive too much geothermal stress and make the tool bit drop or split, the second radiating groove can improve the radiating effect of base member, especially give the heat of base member with protruding transmission and go, can avoid the position production crackle of base member and protruding contact.

Drawings

Fig. 1 is a schematic structural diagram of a preferred embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a base body according to a preferred embodiment of the present invention;

fig. 3 is a schematic structural diagram of a cutter head in a preferred embodiment of the present invention.

Description of reference numerals:

10 basal bodies, 11 clamping grooves, 12 second heat dissipation grooves, 13 fourth heat dissipation grooves, 14 mounting holes, 20 cutter heads, 21 tooth grooves, 22 bulges, 23 first heat dissipation grooves, 24 chip removal grooves and 25 third heat dissipation grooves.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center, longitudinal, transverse, length, width, thickness, upper, lower, front, rear, left, right, vertical, horizontal, top, bottom, inner, outer, clockwise, counterclockwise" and the like refer to the orientation or positional relationship as shown in the drawings, which is only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the present invention.

Referring to fig. 1 to 3, the preferred embodiment of the present invention, a diamond saw blade with a grooved blade head, including a base 10 and a plurality of blade heads 20, blade head 20 is welded on the outer edge of base 10, blade head 20 is provided with a plurality of tooth spaces 21 on the outer edge, blade head 20 is provided with protrusion 22 on the inner edge, base 10 is provided with a slot 11 matched with protrusion 22 on the outer edge, blade head 20 is provided with a first heat sink 23 which is far away from one side of base 10 and is curved, base 10 is provided with a plurality of second heat sinks 12, second heat sink 12 is close to protrusion 22 and is corresponding to each protrusion 22, first heat sink 23, protrusion 22, the central line of second heat sink 12 overlaps mutually and the central line is the diameter of base 10. The utility model discloses in, tooth's socket 21's design can reduce tool bit 20 and the area of contact by the cutting thing, reduce wear, it is more smooth and easy to make the saw bit cutting, tool bit 20 life-span is longer, protruding 22 design has increased tool bit 20 and base member 10's area of weld, more form a screens structure, the stability that tool bit 20 and base member 10 are connected has been strengthened, first radiating groove 23 can improve tool bit 20's radiating effect, the arc structure more can be with the thermal stress dispersion that tool bit 20 produced, make it can not concentrate on protruding 22 department, can avoid protruding 22 to receive too much geothermal stress and make tool bit 20 drop or fracture, second radiating groove 12 can improve base member 10's radiating effect, especially give the heat that gives for base member 10 with protruding 22 and go, can avoid the position production crackle of base member 10 and protruding 22 contact.

As a preferred embodiment of the present invention, it may also have the following additional technical features:

a chip groove 24 is arranged between two adjacent cutter heads 20, the section of the chip groove 24 is in a trapezoidal structure, one end of the chip groove 24 close to the base body 10 is narrow, the other end of the chip groove 24 is wide, when the saw blade works, chips generated by cutting can be discharged from the chip groove 24 to two sides of the saw blade, and meanwhile, the chip groove 24 is designed to enable the cutter heads 20 to cut more smoothly and has a heat dissipation effect; in this embodiment, two tooth grooves 21 are provided in a single cutter head 20, the cross section of each tooth groove 21 is an inverted trapezoid, twelve cutter heads 20 are provided, and twelve chip discharge grooves 24 are provided.

The two side walls of the tool bit 20 are respectively provided with a third heat dissipation groove 25, the third heat dissipation grooves 25 are arc grooves which are concave towards the middle part of the tool bit 20, the third heat dissipation grooves 25 are communicated with the chip removal grooves 24, the third heat dissipation grooves 25 can improve the heat dissipation capacity of the tool bit 20 and can further enhance the chip removal effect of the chip removal grooves 24; in this embodiment, the third heat dissipation grooves 25 on two adjacent cutter heads 20 are located correspondingly.

The outer edge of the base body 10 is provided with a plurality of fourth heat dissipation grooves 13, the fourth heat dissipation grooves 13 are arc-shaped grooves which are concave towards the circle center of the base body 10, the fourth heat dissipation grooves 13 correspond to the chip grooves 24, the fourth heat dissipation grooves 13 can effectively dissipate heat of the base body 10, the arc-shaped structures can disperse the thermal stress transmitted to the base body 10 from the two sides of the cutter head 20 to the base body 10 in an arc shape, and the local thermal stress on the base body 10 is weakened; in the present embodiment, the fourth heat dissipation groove 13 has a semicircular cross section and communicates with the chip groove 24.

The cross-section of arch 22 is the arc, and its radian is less than 180, and the arc structure can be effectively be the arc with the outer edge production thermal stress of tool bit 20 and transmit to base member 10 on, can improve arch 22's stability, and its radian does not exceed 180, can guarantee that the distance that arch 22 imbeds draw-in groove 11 is in safe range, and the radian is too big, and arch 22 imbeds draw-in groove 11 deeply, then arch 22 is easy to be split, and tool bit 20 drops easily.

Crescent of the cross-section of first radiating groove 23, crescent's structure avoids first radiating groove 23 to occupy the too much area of tool bit 20 and influences tool bit 20's mechanical strength, and crescent structure can be better be the arc with the thermal stress that the outer edge of tool bit 20 produced and disperse, makes the thermal stress that the arch 22 that corresponds with first radiating groove 23 received weaken relatively.

The section of the second heat dissipation groove 12 is oval, the major axis of the second heat dissipation groove 12 points to the center of the base body 10, the second heat dissipation groove 12 is in a long strip shape, the strength of the edge side of the base body 10 cannot be influenced on the premise that the heat dissipation capacity of the second heat dissipation groove 12 is guaranteed, the inner wall of the second heat dissipation groove 12 is in an arc-shaped structure, thermal stress can be dispersed, and cracks are prevented from being generated on the edge of the second heat dissipation groove 12; in this embodiment, twelve second heat dissipation grooves 12 are provided.

The center of the base body 10 is provided with a mounting hole 14 for connecting with a rotating shaft, and when the saw blade is used, the rotating shaft is inserted into the mounting hole 14, and the saw blade can be used after the installation is finished.

The above additional technical features can be freely combined and used in superposition by those skilled in the art without conflict.

The above is only the preferred embodiment of the present invention, as long as the technical solution of the purpose of the present invention is realized by the substantially same means, all belong to the protection scope of the present invention.

Claims

1. A diamond saw blade with a groove on the tool bit comprises a basal body (10) and a plurality of tool bits (20), it is characterized in that the cutter head (20) is welded on the outer edge of the base body (10), the outer edge of the cutter head (20) is provided with a plurality of tooth grooves (21), the inner edge of the cutter head (20) is provided with a bulge (22), the outer edge of the base body (10) is provided with a clamping groove (11) matched with the bulge (22), a first heat dissipation groove (23) which is arc-shaped and is far away from one side of the base body (10) is arranged in the middle of the cutter head (20), a plurality of second heat radiating grooves (12) are arranged on the base body (10), the second heat radiating grooves (12) are close to the bulges (22) and correspond to the bulges (22), the central lines of the first heat dissipation groove (23), the bulge (22) and the second heat dissipation groove (12) are mutually overlapped and the central lines are the diameter of the base body (10).

2. The diamond saw blade with the groove on the tool bit as claimed in claim 1, wherein a chip groove (24) is provided between two adjacent tool bits (20), the chip groove (24) has a trapezoidal section, and one end of the chip groove is narrow and the other end of the chip groove is wide by the base body (10).

3. The diamond saw blade with the groove on the tool bit as claimed in claim 2, wherein the two side walls of the tool bit (20) are provided with third heat dissipation grooves (25), the third heat dissipation grooves (25) are arc grooves which are concave towards the middle of the tool bit (20), and the third heat dissipation grooves (25) are communicated with the chip discharge grooves (24).

4. The diamond saw blade with the groove on the tool bit is characterized in that a plurality of fourth heat dissipation grooves (13) are formed in the outer edge of the base body (10), the fourth heat dissipation grooves (13) are arc-shaped grooves which are concave towards the circle center of the base body (10), and the fourth heat dissipation grooves (13) correspond to the chip removal grooves (24).

5. A diamond saw blade with grooved cutting edge according to claim 1 characterized by that the cross section of the said bulge (22) is arc-shaped, and its arc is less than 180 °.

6. A diamond saw blade with grooved tool tip according to claim 1, characterized in that the first heat sink groove (23) has a crescent shape in cross section.

7. A diamond saw blade with grooved tool tip according to claim 1, characterized in that the second heat sink groove (12) has an oval cross-section with its major axis pointing towards the center of the substrate (10).

8. A diamond saw blade with grooved tool tip according to claim 1, characterized in that the center of the base body (10) is provided with a mounting hole (14) for connecting with a rotating shaft.