CN216682590U

CN216682590U - Novel carbide saw blade

Info

Publication number: CN216682590U
Application number: CN202122930834.0U
Authority: CN
Inventors: 王春昕; 贾娜; 陈肖男; 左可心
Original assignee: Northeast Forestry University
Current assignee: Northeast Forestry University
Priority date: 2021-11-26
Filing date: 2021-11-26
Publication date: 2022-06-07
Anticipated expiration: 2031-11-26

Abstract

The utility model provides a novel hard alloy circular saw blade, which comprises a circular saw blade base body and saw teeth, wherein the saw teeth are arranged on the periphery of the saw blade base body at intervals, one side of each saw tooth is far away from the end part of the center of the saw blade body, a saw blade is arranged, a shaft hole is formed in the center of the saw blade body, four circular heat conducting grooves are circumferentially arranged on the circular saw blade base body around the center of the shaft hole, and flanges are considered in the positions of the heat conducting grooves to avoid covering groove structures. The heat concentration phenomenon of the saw blade matrix can be effectively reduced, the heat dissipation performance is improved, and the processing quality and the cutting efficiency of the alloy cutting saw blade are further ensured; set up the amortization line between the radiating groove, four amortization lines are evenly laid along the center of saw bit body respectively, and the amortization line includes the amortization through-hole at "M" type amortization slit and head and the tail both ends, reduces the noise intensity that produces in cutting process. The suppression to the noise is improved to accessible radiating groove and amortization line structure from this, improves carbide circular saw blade's the performance of making an uproar of falling, guarantees production environment and staff's work efficiency and healthy.

Description

Novel carbide saw blade

Technical Field

The utility model relates to the technical field of wood cutting tools, in particular to the field of hard alloy circular saw blades.

Background

With the strategic layout planning of modern society capital construction, the application of wood relates to more and more fields, people have higher and higher requirements on wood processing cutters, and the hard alloy circular saw blade is widely applied to the board furniture industry, the woodworking industries such as vehicle and ship manufacturing and the like.

The hard alloy circular saw blade mainly comprises two parts, namely a base body and a cutter head. The base body is a main supporting part for bonding the cutter head, the cutter head is a part for cutting in the using process, the alloy saw blade and a hard object generate heat when being rubbed, and the friction part quickly loses the cutter head once being overheated, so that the service life of the alloy saw blade is reduced; moreover, the saw blade can vibrate and generate huge noise in the cutting process, and the production environment and the working efficiency of operators are seriously influenced by the excessive noise. In view of the above, there is a need for a circular saw blade with good heat dissipation and reduced noise.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a novel hard alloy circular saw blade, which aims to reduce the vibration frequency, enhance the heat dissipation and reduce the noise under the condition of not reducing the rigidity of a circular saw blade substrate, and further improve the processing and cutting efficiency and the service life of the hard alloy circular saw blade.

In order to achieve the purpose, the utility model provides a novel hard alloy circular saw blade, which comprises a circular saw blade base body and saw teeth, wherein the saw teeth are arranged around the saw blade base body at intervals; and silencing apertures are arranged among the radiating grooves, and the four silencing apertures are uniformly distributed along the center of the saw blade body respectively.

Further optimized, the silencing hole seams are M-shaped silencing thin seams, and silencing through holes are formed in the head end and the tail end of the silencing hole seams.

Further optimization, the interval between every two adjacent heat dissipation grooves is 90 degrees.

Further optimization, four heat dissipation grooves are arranged on the saw blade base body 1, the heat dissipation grooves are circular, the diameters of the heat dissipation grooves are 17mm, the heat dissipation grooves are located on a 45-degree diagonal line of the central shaft hole, and the horizontal distance from the circle center of each heat dissipation groove to the circle center of the central hole 7 is 58 mm.

Furthermore, a discharge groove is arranged at the peripheral end of the saw blade along the radial direction of the center of the saw blade matrix and in the same line direction with the silencing hole seam.

Furthermore, M-shaped silencing apertures are added between adjacent heat insulation slots, and the heat dissipation slots and the silencing apertures are uniformly distributed along the circumferential direction of the center of the saw blade matrix.

Compared with the prior art, the utility model has the beneficial effects that: open on the base member has four radiating grooves, has reached the damping, and the heat dissipation falls the effect of making an uproar, carbide circular saw blade is under the high-speed pivoted condition, and the amortization crack has further reduced the noise, and the periphery is opened there is the row silo, makes the cutting waste material discharge in time, has solved present carbide circular saw blade and has processed too big noise in wood working, the relatively poor problem of thermal diffusivity.

Drawings

FIG. 1 is a schematic structural diagram of a novel cemented carbide circular saw blade according to an embodiment of the present invention

FIG. 2 Structure of silencing hole slit

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. Referring to fig. 1, the present invention provides a novel hard alloy circular saw blade, which includes a circular saw blade base 1 and saw teeth 3 disposed around the saw blade base 1 and spaced apart from each other, wherein the saw blade base 1 is provided with a central shaft hole 7, a saw blade 4 is disposed on one side of each saw tooth 3 and at an end portion far from the center of the saw blade base 1, the saw blade 4 and the saw teeth 3 jointly realize a cutting action on a workpiece, and the alloy saw blade is connected to a driving device through the shaft hole 7 to drive the alloy saw blade to rotate and perform the cutting action.

Referring to fig. 1, four heat dissipation grooves 6 are formed in a saw blade base 1, the heat dissipation grooves are circular, the diameter of each heat dissipation groove 6 is 17mm, the heat dissipation grooves are located on a 45-degree diagonal line of a central shaft hole, and the horizontal distance between the center of each heat dissipation groove 6 and the center of a central shaft hole 7 is 58 mm.

Referring to fig. 1, the silencing slits 5 are added to further reduce noise, and the silencing slits 5 can effectively absorb noise generated by cutting in the cutting process, so that noise pollution in the cutting process is reduced. Because the hard alloy circular saw blade is of a hole seam structure, the influence on the rigidity of the base body 1 is small, and the normal work of the hard alloy circular saw blade is kept.

Referring to fig. 2, a hard alloy circular saw blade base body 1 is further provided with a silencing hole seam 5, two ends of the silencing hole seam 5 are communicated with through holes 8, the circumference of the silencing hole seam 5 is arranged on the saw blade base body 1, the silencing hole seam 5 is smaller in size, the two ends of the silencing hole seam are communicated with the through holes 8, the silencing hole seam is designed to be M-shaped, and the silencing hole seam 5 comprises the through holes 8; a longitudinal arc 9; the transverse arc 10, the longitudinal arc 9 and the transverse arc 10 are alternately connected end to end in sequence, so that the vortex separation frequency of the circular saw blade in the rotating process can be disturbed, the splitting of air vortex is reduced, the impact between air and the circular saw blade is reduced, and the aerodynamic noise is effectively reduced.

Referring to fig. 1, a discharge chute 2 is provided at an end of a cemented carbide circular saw blade, so that chips generated during cutting can be discharged more effectively, grinding of the circular saw blade by the chips is prevented, and the service life of the circular saw blade is increased.

In conclusion, the utility model provides a novel hard alloy circular saw blade, which comprises a circular saw blade base body and saw teeth, wherein the saw blades are arranged around the saw blade base body at intervals; set up the amortization aperture seam between the radiating groove, four amortization aperture seams are evenly laid along the center of saw bit body respectively, and the amortization aperture seam includes the amortization through-hole at "M" type amortization slit and head and the tail both ends, further reduces the noise intensity of the production under the high-speed cutting condition, and row material groove is seted up to saw bit tip week end, makes the cutting waste material in time get rid of, extension saw bit working life. Therefore, the suppression of noise can be improved through the radiating grooves and the silencing hole seam structure, and the noise reduction performance of the hard alloy circular saw blade is improved.

Finally, it should be noted that: although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A novel hard alloy circular saw blade is characterized by comprising a circular saw blade base body (1) and saw teeth (3) which are arranged around the saw blade base body and are arranged at intervals, wherein tool bits (4) are welded on the saw teeth, a shaft hole (7) is formed in the center of the saw blade, and four circular radiating grooves (6) are formed in the hard alloy circular saw blade base body around the shaft hole, so that the phenomenon of heat concentration of the saw blade base body is effectively reduced, and the noise intensity generated during cutting is reduced; set up four amortization apertures (5) between the radiating groove, evenly lay along the center of saw bit body respectively, amortization aperture (5) include the amortization through-hole at "M" type amortization slit and head and the tail both ends, set up row silo (2) on the same line of amortization slit.

2. A new type of cemented carbide circular saw blade as claimed in claim 1, characterised in that every two adjacent cooling channels (6) are spaced apart by 90 °.

3. The novel hard alloy circular saw blade as claimed in claim 1, wherein M-shaped silencing apertures (5) are added between adjacent heat insulation slots, and the heat dissipation slots and the silencing apertures are uniformly distributed along the circumferential direction of the center of the saw blade base body.

4. A new type of hard metal circular saw blade as claimed in claim 1, wherein the heat dissipating grooves (6) are circular in shape, have a diameter of 17mm, and are located on a 45 ° diagonal line of the central axial hole, and the horizontal distance from the center of the heat dissipating grooves (6) to the center of the axial hole (7) is 58 mm.

5. The new type of hard alloy circular saw blade as claimed in claim 1, wherein a discharge groove (2) is provided at the peripheral end of the saw blade in the radial direction of the center of the saw blade body and in the same line direction as the sound-deadening slit (5) for discharging the cutting waste.