Hard alloy saw blade

Abstract

The utility model relates to the technical field of saw blades, and discloses a hard alloy saw blade which comprises a first saw blade and a second saw blade which are the same in size, and when hard materials need to be cut, the first saw blade and the second saw blade can be rotated to the angle where saw teeth are overlapped and jointly combined into a complete saw blade, and then the saw blades are cut. When a material with low hardness needs to be cut, the saw blades on the cutting machine are adjusted to be in a loose state, and at the moment, the first saw blade and the second saw blade can be rotated to the angle where the saw teeth on the side edges are crossed and staggered, so that the saw blades are not prone to falling off. According to the device, after the first saw blade and the second saw blade are fixedly installed on the cutting machine, the density degree of the saw teeth on the outer side can be adjusted according to the hardness of the cut material, and the saw teeth on the outer side of the cutting machine can be adjusted according to the hardness of the cut material. The saw tooth density of the saw blade can be adjusted without dismounting the whole saw blade, and the operation is simple.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of saw blade, concretely to a hard alloy saw blade. BACKGROUND

[0002] Saw blade is a general term for thin circular cutters used for cutting solid materials. Saw blades can be divided into: diamond saw blades for cutting stone; high-speed steel saw blades (not embedded with hard alloy tool bits) for cutting metal materials; hard alloy saw blades for cutting solid wood, furniture, artificial boards, aluminum alloy, aluminum profiles, radiators, plastics, plastic steel, etc.

[0003] Such as the announcement number for CN204770947U a hard alloy tooth circular saw blade. Including saw blade body, saw tooth, be provided with tooth seat on the saw blade body, be provided with screw hole on the tooth seat, be provided with the through hole corresponding with the screw hole on the saw tooth, the saw tooth is installed on the tooth seat of the saw blade body through the fastening screw, the saw tooth bottom is provided with the positioning slot matched with the tooth seat. The utility model changes the positioning mode of the existing blade and the saw blade body, reduces the processing difficulty of the blade and the saw blade body, speeds up the production cycle, reduces the production cost, it is a kind of product with higher added value, brings better benefit for company, reduces the blade saw tooth width simultaneously, reduces sawing power, makes sawing more stable.

[0004] The above-mentioned patent reduces the blade saw tooth width, reduces the sawing power, makes the sawing more stable, but most of the existing saw blades are fixed structures, when cutting materials with hard texture, relatively thick saw blades are needed to prevent the saw blade from deforming, when cutting materials with low hardness, more dense saw blades are needed to cut faster, different saw blades are needed when cutting different materials, and the operation is complicated when replacing the saw blade, which is still inconvenient when using.

[0005] Therefore, we propose a hard alloy saw blade to solve the above-mentioned problems. UTILITY MODEL CONTENTS

[0006] The utility model is aimed at providing a hard alloy saw blade to solve the above-mentioned problems of most existing saw blades being fixed structures, relatively thick saw blades being needed to prevent the saw blade from deforming when cutting materials with hard texture, more dense saw blades being needed to cut faster when cutting materials with low hardness, different saw blades being needed when cutting different materials, and the operation being complicated when replacing the saw blade, which is still inconvenient when using.

[0007] To achieve the above object, the utility model provides the following technical scheme: A hard alloy saw blade, including two same saw blade one and saw blade two, the back of saw blade one and saw blade two is mutually pasted and sets up, the outer periphery of saw blade one and saw blade two is provided with a plurality of saw teeth at equal interval, the middle of saw blade one and saw blade two is provided with a center hole, the center hole is used for the fixed connection of saw blade one and saw blade two with the output end of cutting machine, saw blade one and saw blade two are fixedly connected through the center hole and tightly paste and form a saw blade whole, the middle of saw blade one and saw blade two is provided with a plurality of transmission holes at equal interval, the transmission hole between saw blade one and saw blade two is mutually connected and is provided, and a plurality of transmission holes are used for the fixed between saw blade one and saw blade two.

[0008] Preferably, the cutting surface of the plurality of saw teeth is an inclined surface.

[0009] Preferably, the direction of the saw teeth provided on the saw blade one and the saw blade two is same.

[0010] Preferably, the number of saw teeth on the outer side of the saw blade one and the saw blade two is same.

[0011] Preferably, the length of the saw tooth is greater than the distance between the adjacent two saw teeth.

[0012] Preferably, the center hole is circularly arranged, and the transmission hole is circularly arranged.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] 1. When the material with hard texture needs to be cut, the saw blade one and the saw blade two can be rotated to the angle that the saw teeth overlap, and are combined into a complete saw blade, so that the wear of the saw teeth is small; when the material with low hardness needs to be cut, the saw blade on the cutting machine is adjusted to a loose state, and then the saw blade one and the saw blade two are rotated to the angle that the saw teeth on the side cross and are misaligned, so that the saw teeth on the outer periphery of the saw blade formed by the saw blade one and the saw blade two are densely arranged, and the material is conveniently cut; after the saw blade one and the saw blade two are fixedly installed on the cutting machine, the density of the saw teeth on the outer side can be adjusted according to the hardness of the material to be cut, and the saw blade does not need to be disassembled, so that the density of the saw teeth is conveniently adjusted.

[0015] 2. When the saw teeth of the saw blade one and the saw blade two overlap, the wear of the saw teeth is small under the cooperation of the saw blade one, the center hole, the transmission hole, the saw teeth, the inclined surface and the saw blade two. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a whole three-dimensional structure schematic view of the utility model;

[0017] Figure 2 Figure 1 is a schematic diagram of the overall three-dimensional structure of the present application when misaligned;

[0018] Figure 3 Figure 2 is a schematic diagram of the three-dimensional structure of the present application when separated.

[0019] In the figure: 1, saw blade one; 2, center hole; 3, transmission hole; 4, saw tooth; 41, bevel; 5, saw blade two. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0021] Embodiment: Please refer to Figure 1 - Figure 3 A hard alloy saw blade, comprising two identical saw blade one 1 and saw blade two 5, the back of the saw blade one 1 and the saw blade two 5 are arranged to adhere to each other, the outer periphery of the saw blade one 1 and the saw blade two 5 are equally spaced with a plurality of saw teeth 4, the middle of the saw blade one 1 and the saw blade two 5 are both provided with a center hole 2, the center hole 2 is used for fixedly connecting the saw blade one 1 and the saw blade two 5 with the output end of the cutting machine, the saw blade one 1 and the saw blade two 5 are fixedly connected through the center hole 2 to form a saw blade whole, the middle of the saw blade one 1 and the saw blade two 5 are both provided with a plurality of transmission holes 3, the transmission holes 3 between the saw blade one 1 and the saw blade two 5 are arranged to be connected, and the plurality of transmission holes 3 are used for fixing between the saw blade one 1 and the saw blade two 5.

[0022] The cutting surfaces of the plurality of saw teeth 4 are all bevels 41, the arrangement of the bevels 41 facilitates the cutting of the saw blade, as shown in Figure 3 .

[0023] The directions of the saw teeth 4 arranged on the saw blade one 1 and the saw blade two 5 are the same.

[0024] The number of the saw teeth 4 on the outer side of the saw blade one 1 and the saw blade two 5 is the same.

[0025] The length of the saw tooth 4 is greater than the distance between two adjacent saw teeth 4.

[0026] The center hole 2 is circularly arranged, and the transmission hole 3 is circularly arranged, and the circular arrangement of the transmission hole 3 ensures that the transmission holes 3 can still be connected when the saw blade one 1 and the saw blade two 5 are arranged to be misaligned, thereby facilitating the fixing between the saw blade one 1 and the saw blade two 5.

[0027] In the embodiment, when cutting materials with hard texture is needed, the saw blade one 1 and the saw blade two 5 are first rotated to the angle that the saw teeth 4 overlap, as shown in Figure 1 and Figure 3 the saw blade one 1 and the saw blade two 5 are fixed to the cutting machine as a whole through the central hole 2 and the plurality of transmission holes 5, at this time, the saw teeth 4 of the two saw blades are in the overlapping state, the overall wear of the saw teeth 4 is small when used, when cutting materials with low hardness is needed, the saw blade on the cutting machine is adjusted to the loose state, at this time, the saw blade one 1 and the saw blade two 5 are rotated to the angle that the side saw teeth 4 cross and are misaligned, as shown in Figure 2 , and then the saw blade one 1 and the saw blade two 5 are tightened to closely adhere to each other, at this time, the saw blade one 1 and the saw blade two 5 together form the saw teeth 4 of the saw blade periphery with increased density, which is more convenient for cutting materials, after the saw blade one 1 and the saw blade two 5 are fixed and installed on the cutting machine, the density of the outer saw teeth 4 can be adjusted according to the hardness of the cut material, without the need to disassemble the saw blade as a whole to adjust the saw tooth density of the saw blade, the operation is simple, and when the saw teeth 4 of the saw blade one 1 and the saw blade two 5 overlap, the wear degree of the saw teeth 4 is small.

[0028] The contents not described in detail in the specification belong to the prior art known to those skilled in the art.

[0029] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model shall be included in the protection scope of the utility model.

Claims

1. A cemented carbide saw blade comprising two identical saw blades one (1) and two (5), characterized in that: The back surfaces of the saw blade one (1) and the saw blade two (5) are arranged in close contact with each other, a plurality of saw teeth (4) are equidistantly arranged on the outer periphery of the saw blade one (1) and the saw blade two (5), a center hole (2) is arranged in the middle of the saw blade one (1) and the saw blade two (5), the center hole (2) is used for fixedly connecting the saw blade one (1) and the saw blade two (5) with the output end of a cutting machine, the saw blade one (1) and the saw blade two (5) are fixedly connected in close contact through the center hole (2) to form a whole saw blade, a plurality of transmission holes (3) are equidistantly arranged in the middle of the saw blade one (1) and the saw blade two (5), the transmission holes (3) between the saw blade one (1) and the saw blade two (5) are arranged in communication, and the plurality of transmission holes (3) are used for fixing the saw blade one (1) and the saw blade two (5).

2. A cemented carbide saw blade according to claim 1, characterized in that: The cutting surfaces of the plurality of saw teeth (4) are all inclined surfaces (41).

3. A cemented carbide saw blade according to claim 2, characterized in that: The directions of the saw teeth (4) arranged on the saw blade one (1) and the saw blade two (5) are the same.

4. A cemented carbide saw blade according to claim 3, characterized in that: The number of the saw teeth (4) on the outer sides of the saw blade one (1) and the saw blade two (5) is the same.

5. A cemented carbide saw blade according to claim 4, characterized in that: The length of the saw tooth (4) is greater than the distance between two adjacent saw teeth (4).

6. A cemented carbide saw blade according to claim 5, characterized in that: The center hole (2) is circular, and the transmission hole (3) is circular arc.

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