CN216370474U - Integral hard alloy saw blade - Google Patents

Abstract

The utility model relates to an integral hard alloy saw blade, which comprises a body and a plurality of sawteeth, wherein an installation hole is coaxially arranged at the axis of the body, the outer edge of the circumference of the body is provided with the sawteeth, and notches are formed in the sawteeth, so that the sawteeth are cut at the notches when being cut. According to the integral hard alloy saw blade, the notches are formed in the saw teeth of the integral hard alloy saw blade, firstly, the saw teeth are cut due to the existence of the notches during cutting, and plastic deformation is generated instead of cutting and extruding of the whole saw teeth, so that the cutting force, the cutting heat and the cutter abrasion are reduced, and the service life of the saw blade is prolonged; secondly, the impact force borne by the sawteeth is reduced, and two pieces of cutting chips are formed, so that the chips can be removed easily without being blocked; and finally, chip accumulation due to friction between the front cutter face of the sawtooth and chips is prevented, so that the cutting efficiency, the cutting performance and the cutting quality are improved.

Description

Integral hard alloy saw blade

Technical Field

The utility model relates to the technical field of metal cutters, in particular to an integral hard alloy saw blade.

Background

Referring to fig. 1, the existing w-steel saw blades are all full-edge teeth, and the w-steel saw blades corresponding to a certain thickness, such as 3mm, 4mm, 5mm, 6mm or thicker w-steel saw blades, have a wider edge, and the impact force on the blade is greater when metal is chipped, which results in severe wear of the saw teeth and short service life of the saw blade.

Accordingly, there is a need to provide a solid carbide saw blade with improved cutting performance and long life.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In view of the above disadvantages and shortcomings of the prior art, the present invention provides a solid carbide saw blade, which solves the technical problem of severe wear of saw teeth caused by the fact that the existing tungsten steel saw blade has a wide blade edge and a large impact force on the blade when cutting metal.

(II) technical scheme

In order to achieve the purpose, the utility model adopts the main technical scheme that:

the embodiment of the utility model provides an integral hard alloy saw blade which comprises a body and a plurality of sawteeth, wherein an installation hole is coaxially arranged at the axis of the body, the plurality of sawteeth are arranged on the outer edge of the circumference of the body, and notches are formed in the sawteeth, so that the sawteeth are cut at the notches when being cut.

Optionally, the sawtooth includes first sawtooth and second sawtooth, first sawtooth with the second sawtooth interval sets up, the notch has been seted up on the first sawtooth, the notch has also been seted up on the second sawtooth, and follows the thickness direction of whole carbide saw bit, the position of notch is crisscross with the position of notch on the second sawtooth in the position on the notch on the first sawtooth.

Optionally, a notch is formed in the first saw tooth adjacent to the first side of the unitary cemented carbide saw blade, and a notch is formed in the second saw tooth adjacent to the second side of the unitary cemented carbide saw blade.

Optionally, the number of the notches on the first saw tooth is multiple, the number of the notches on the second saw tooth is multiple, and the notches on the second saw tooth and the notches on the first saw tooth are respectively arranged at different thicknesses of the solid carbide saw blade.

Optionally, the number of notches on the second serration is one more than the number of notches on the first serration.

Optionally, the saw teeth include a third saw tooth and a fourth saw tooth, the third saw tooth and the fourth saw tooth are arranged at intervals, a notch is formed in the third saw tooth, and the fourth saw tooth is a full blade.

Alternatively, the cross-section of the slot may be rectangular, square, triangular, trapezoidal or U-shaped.

Alternatively, the saw teeth may be triangular teeth or circular arc teeth.

Optionally, the triangular teeth are sharpened triangular teeth, and the circular arc teeth are sharpened circular arc teeth.

(III) advantageous effects

The utility model has the beneficial effects that: compared with the prior art, the integral hard alloy saw blade has the advantages that the notches are formed in the saw teeth of the integral hard alloy saw blade, and firstly, the saw teeth are cut due to the notches instead of the whole saw teeth being cut and extruded to generate plastic deformation during cutting, so that the cutting force, the cutting heat and the cutter abrasion are reduced, and the service life of the saw blade is prolonged; secondly, the impact force borne by the sawteeth is reduced, and two pieces of cutting chips are formed, so that the chips can be removed easily without being blocked; and finally, chip accumulation due to friction between the sawtooth front cutter face and chips is prevented, so that the cutting efficiency is improved, the cutting performance is improved, the cutting quality is ensured, and the processing cost is reduced.

Drawings

FIG. 1 is a perspective view of a conventional solid carbide saw blade;

FIG. 2 is a perspective view of an embodiment 1 of the solid carbide saw blade of the present invention;

FIG. 3 is an enlarged schematic view of the solid carbide saw blade of FIG. 2 at A;

FIG. 4 is a side view of the solid carbide saw blade of FIG. 2;

FIG. 5 is a perspective view of an embodiment 2 of the solid carbide saw blade of the present invention;

FIG. 6 is an enlarged schematic view of the solid carbide blade of FIG. 4 at B;

FIG. 7 is a perspective view of an embodiment 3 of the solid carbide saw blade of the present invention;

FIG. 8 is an enlarged schematic view of the solid carbide blade of FIG. 7 at C;

FIG. 9 is a perspective view of an embodiment 4 of the solid carbide saw blade of the present invention;

FIG. 10 is an enlarged schematic view of the solid carbide blade of FIG. 9 at D;

FIG. 11 is a perspective view of an embodiment 5 of the solid carbide saw blade of the present invention;

FIG. 12 is an enlarged schematic view of the solid carbide saw blade of FIG. 11 at E;

FIG. 13 is a side view of the solid carbide saw blade of FIG. 11;

FIG. 14 is a perspective view of an embodiment 6 of a solid carbide saw blade according to the present invention;

FIG. 15 is an enlarged schematic view of the solid carbide saw blade of FIG. 14 at F;

FIG. 16 is a side view of the solid carbide saw blade of FIG. 14.

[ description of reference ]

1: a body; 2: saw teeth; 3: a first saw tooth; 4: a second saw tooth; 5: a third saw tooth; 6: a fourth serration; 7: a notch; 8: a first side surface; 9: a second side.

Detailed Description

For the purpose of better explaining the present invention and to facilitate understanding, the present invention will be described in detail by way of specific embodiments with reference to the accompanying drawings.

Example 1:

referring to fig. 2, 3 and 4, the embodiment provides a whole hard alloy saw blade, including body 1 and a plurality of sawtooth 2, the axle center department of body 1 is coaxial to be equipped with the mounting hole, is provided with a plurality of sawtooth 2 on the circumference outer fringe of body 1, has seted up notch 7 on the sawtooth 2 for notch 7 department forms when the sawtooth 2 cuts and cuts. It should be further noted that the cross section of the notch 7 can be changed arbitrarily according to practical application, for example, the cross section of the notch 7 can be rectangular, square, triangular, trapezoidal or U-shaped. Preferably, the cross section of the notch 7 is a U-shaped notch, and the dimension of the notch 7 is 0.3 × 0.3 mm.

Compared with the prior art, the notch 7 is formed in the saw tooth 2, so that when the saw tooth 2 cuts metal, the saw tooth 2 is cut due to the notch 7 instead of plastic deformation generated by cutting and extruding the whole saw tooth 2, the cutting force, the cutting heat and the cutter abrasion are reduced, and the service life of the saw blade is prolonged; secondly, the impact force borne by the sawteeth 2 is reduced, and two pieces of cutting chips are formed, so that the chips can be removed easily without being blocked; and finally, chip accumulation due to friction between the front tool face of the sawtooth 2 and chips is prevented, so that the cutting efficiency is improved, the cutting performance is improved, the cutting quality is ensured, and the processing cost is reduced.

In this embodiment, the sawtooth 2 includes first sawtooth 3 and second sawtooth 4, and first sawtooth 3 and the interval setting of second sawtooth 4, notch 7 has been seted up in first side 8 department that first sawtooth 3 is close to whole carbide saw bit, and notch 7 has been seted up in second side 9 department that second sawtooth 4 is close to whole carbide saw bit for notch 7 on the first sawtooth 3 is different with notch 7's on the second sawtooth 4 position of setting, has further reduced cutting force, cutting heat and cutter wearing and tearing.

Preferably, the notch 7 in the first tooth 3 is open to one third of the thickness of the solid carbide blade and the notch 7 in the second tooth 4 is open to two thirds of the thickness of the solid carbide blade. Of course, the present invention is not limited thereto as long as the notch 7 is provided at a position advantageous for reducing the cutting force.

Further, the saw teeth 2 of the solid carbide saw blade of the present embodiment are circular arc teeth. In addition, the saw teeth 2 of the whole hard alloy saw blade can also be arc teeth with sharp cutting points.

Preferably, the solid carbide blade is a tungsten steel blade.

Example 2:

referring to fig. 5 and 6, the solid cemented carbide saw blade of the present example is different from example 1 in that the saw teeth 2 of the solid cemented carbide saw blade of the present example are triangular teeth.

Example 3:

referring to fig. 7 and 8, the solid cemented carbide saw blade of the present example is different from example 1 in that the saw teeth 2 of the solid cemented carbide saw blade of the present example are triangular teeth with sharp tips.

Example 4:

referring to fig. 9 and 10, the solid carbide saw blade of the present embodiment is relatively thin compared to embodiment 1, and the saw teeth 2 of the solid carbide saw blade of the present embodiment include third saw teeth 5 and fourth saw teeth 6, the third saw teeth 5 and the fourth saw teeth 6 are spaced apart from each other, and notches 7 are formed in the third saw teeth 5, so that the third saw teeth 5 are cut at the notches 7, and the fourth saw teeth 6 are full edges (i.e., the notches 7 are not formed in the fourth saw teeth 6).

Example 5:

referring to fig. 11, 12 and 13, the whole cemented carbide saw blade of the present embodiment, compared with embodiment 1, it is different that, the thickness of the whole cemented carbide saw blade is greater than 4mm, the number of the notches 7 on the first saw tooth 3 is a plurality of, the number of the notches 7 on the second saw tooth 4 is a plurality of, and the position of the notch 7 on the first saw tooth 3 is staggered with the position of the notch 7 on the second saw tooth 4, that is, the notch 7 on the first saw tooth 3 and the notch 7 on the second saw tooth 4 are respectively arranged at different thicknesses of the whole cemented carbide saw blade, thereby improving the whole rigidity of the saw tooth 2, reducing the tool wear, and prolonging the service life of the whole cemented carbide saw blade.

Specifically, two notches 7 have been seted up on first sawtooth 3, two notches 7 have been seted up on second sawtooth 4, and the position of two notches 7 on first sawtooth 3 is crisscross with the position of notch 7 on second sawtooth 4. It should be noted that the number of the notches 7 of the first saw tooth 3 and the second saw tooth 4 may be determined according to the thickness of the solid carbide saw blade, and may be three, four, five or more.

Example 6:

referring to fig. 14, 15 and 16, in the solid carbide saw blade of the present embodiment, the positions of the notches 7 of the first saw tooth 3 are staggered with the positions of the notches 7 of the second saw tooth 4, and the number of the notches 7 of the second saw tooth 4 is one more than the number of the notches 7 of the first saw tooth 3, unlike the embodiment 5.

In this embodiment, a notch 7 has been seted up on the first sawtooth 3, two notches 7 have been seted up on the second sawtooth 4, and the position of notch 7 is crisscross on the position of notch 7 and the second sawtooth 4 on the first sawtooth 3, follows the thickness direction of whole carbide saw bit promptly, and notch 7 on the first sawtooth 3 is located between two notches 7 on the second sawtooth 4. It should be noted that two notches 7 are formed in the first saw tooth 3, three notches 7 are formed in the second saw tooth 4, or three notches 7 are formed in the first saw tooth 3, and four notches 7 are formed in the second saw tooth 4.

The whole carbide saw blade of this embodiment, because notch 7 has been seted up on the third sawtooth 5, fourth sawtooth 6 is full sword, compare with prior art, third sawtooth 5 is cut because there is notch 7's existence formation, rather than cutting at whole third sawtooth 5, produce plastic deformation under the extrusion, the cutting force has been reduced, cutting heat and cutter wearing and tearing, cutting performance has been improved, saw bit life has been prolonged, and fourth sawtooth 6 is full sword, the rigidity of whole carbide saw blade has been guaranteed.

In the description of the present invention, it is to be understood that the terms "first", "second" and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium; either as communication within the two elements or as an interactive relationship of the two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, a first feature may be "on" or "under" a second feature, and the first and second features may be in direct contact, or the first and second features may be in indirect contact via an intermediate. Also, a first feature "on," "above," and "over" a second feature may be directly or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lower level than the second feature.

In the description herein, the description of the terms "one embodiment," "some embodiments," "an embodiment," "an example," "a specific example" or "some examples" or the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described above, it should be understood that the above embodiments are illustrative and not restrictive, and that those skilled in the art may make changes, modifications, substitutions and alterations to the above embodiments without departing from the scope of the present invention.

Claims (9)

1. An integral hard alloy saw blade is characterized in that: whole carbide saw bit includes body (1) and a plurality of sawtooth (2), the axle center department coaxial mounting hole that is equipped with of body (1), be provided with a plurality of sawtooth (2) on the circumference outer fringe of body (1), just notch (7) have been seted up on sawtooth (2), make during sawtooth (2) cutting notch (7) department forms and cuts.

2. The unitary cemented carbide saw blade as defined in claim 1, wherein: sawtooth (2) include first sawtooth (3) and second sawtooth (4), first sawtooth (3) with second sawtooth (4) interval sets up, notch (7) have been seted up on first sawtooth (3), notch (7) have also been seted up on second sawtooth (4), and follow the thickness direction of whole carbide saw bit, the position of notch (7) is gone up with second sawtooth (4) in the position of notch (7) and is crisscross.

3. The unitary cemented carbide saw blade as defined in claim 2, wherein: the first sawtooth (3) is provided with a notch (7) at a position close to a first side surface (8) of the integral hard alloy saw blade, and the second sawtooth (4) is provided with a notch (7) at a position close to a second side surface (9) of the integral hard alloy saw blade.

4. The unitary cemented carbide saw blade as defined in claim 2, wherein: the quantity of notch (7) on first sawtooth (3) is a plurality of, the quantity of notch (7) on second sawtooth (4) is a plurality of, and notch (7) on second sawtooth (4) and notch (7) on first sawtooth (3) are seted up respectively the different thickness department of whole carbide saw bit.

5. The unitary cemented carbide saw blade as defined in claim 4, wherein: the number of notches (7) on the second saw tooth (4) is one more than the number of notches (7) on the first saw tooth (3).

6. The unitary cemented carbide saw blade as defined in claim 1, wherein: sawtooth (2) include third sawtooth (5) and fourth sawtooth (6), third sawtooth (5) with fourth sawtooth (6) interval sets up, just notch (7) have been seted up on third sawtooth (5), fourth sawtooth (6) are full sword.

7. A solid carbide saw blade according to any one of claims 1 to 6 wherein: the cross section of the notch (7) can be rectangular, square, triangular, trapezoidal or U-shaped.

8. A solid carbide saw blade according to any one of claims 1 to 6 wherein: the saw teeth (2) can be triangular teeth or circular arc teeth.

9. The unitary cemented carbide saw blade as defined in claim 8, wherein: the triangular teeth are sharp-cutting triangular teeth, and the circular arc teeth are sharp-cutting circular arc teeth.

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