Arc-edge bimetal band saw blade

Abstract

The utility model discloses a double-metal band saw blade with an arc edge, which comprises a double-metal saw blade main body, and cutting teeth are continuously arranged on the side edge of the double-metal saw blade main body. Linear structures are arranged at the tops of the cutting teeth, arc structures are arranged at the positions, located on the side faces of the linear structures, of the tops of the cutting teeth, and the close positions of the linear structures and the arc structures are connected. The double-metal band saw blade with the arc-shaped edge has the advantages that the edge length of the arc-shaped edge is larger than that of a traditional sharp-corner edge, under the condition that the cutting amount per unit edge length is equal, the edge length of the arc-shaped edge is large, the removal amount of machining materials is large, and therefore the service life of the double-metal band saw blade is prolonged; compared with a sharp corner structure, the arc structure greatly reduces the stress concentration phenomenon of the blade part, reduces the brittleness of the blade part and improves the endurance of the blade part, and the saw blade is in slight running-in or even does not need to be in running-in during initial use, so that the stability of the saw blade can be improved, and the production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of bimetallic band saw blades, in particular to a bimetallic band saw blade with a circular arc edge. Background Art

[0002] Currently, there are two main types of bimetallic band saw blades on the market: one is a bimetallic band saw blade made of a combination of high-speed steel and spring steel (referred to herein as ordinary bimetallic band saw blades), and the other is a bimetallic band saw blade made of a combination of carbide, ceramic alloy, or other superhard materials and spring steel (referred to herein as alloy band saw blades). Bimetallic band saw blades are processed into a ring shape and mounted on a band saw bed. The bed drives the blade in a unidirectional motion forward along the tooth tip and in a direction opposite to the object being segmented, achieving continuous and efficient segmentation of the object.

[0003] At present, the structure of common bimetal band saw blades in China and abroad is Figure 6 and Figure 7 The two sides of the blade are described as A (sharp corners). In the actual cutting process, A (sharp corners) are easily broken, so the saw blade needs to be run-in at a slow processing speed in the initial stage of use. However, there may still be tooth pulling, and the sawing performance is unstable. In addition, because A (sharp corners) is the contact point with the forming surface of the object to be cut, scratches will be left on the forming surface, resulting in a rough surface. For this reason, the present application proposes a bimetallic band saw blade with a circular arc blade, which provides a new technical solution to solve the technical problems mentioned above. Utility Model Content

[0004] Based on this, it is necessary to provide a bimetallic band saw blade with an arc blade to address the above technical problems. The side of the blade adopts an arc structure instead of a sharp angle structure. The arc structure has many advantages: the blade length of the arc blade is greater than that of the traditional sharp angle blade. Under the condition of the same cutting amount per unit blade length, the blade length of the arc blade is longer, and the amount of processed material removed is more, thereby improving the service life of the bimetallic saw blade; compared with the sharp angle structure, the arc structure greatly reduces the stress concentration phenomenon of the blade, reduces the brittleness of the blade, and improves the endurance of the blade. The saw blade only needs to be slightly run-in during the initial use, or even no running-in is required, thereby increasing the stability of the saw blade and improving production efficiency; when the arc blade cuts the object to be divided, an arc superimposed surface is formed on its surface, which is smoother than the sharp angle structure, thereby improving the surface quality of the product to be divided.

[0005] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0006] The utility model discloses a bimetallic band saw blade with a circular arc blade, which is applied to bimetallic band saw blades.

[0007] The arc-edged bimetallic band saw blade specifically comprises:

[0008] A bimetallic saw blade body, wherein the side edges of the bimetallic saw blade body are continuously arranged with cutting teeth; a straight line structure is provided at the top of the cutting teeth, and an arc structure is provided at the top of the cutting teeth and at a position located on the side of the straight line structure, and the straight line structure and the arc structure are connected to each other at adjacent positions.

[0009] As a preferred embodiment of the arc-edged bimetallic band saw blade provided by the present invention, the radius of the arc structure ranges from 0.07 mm to 2 mm.

[0010] As a preferred embodiment of the arc-edge bimetallic band saw blade provided by the present invention, the spacing between two adjacent cutting teeth is 4 mm to 34 mm.

[0011] As a preferred embodiment of the arc-edge bimetallic band saw blade provided by the present invention, the continuously arranged cutting teeth are arranged in a straight line.

[0012] As a preferred embodiment of the arc-edge bimetallic band saw blade provided by the present invention, the continuously arranged cutting teeth are arranged on the left, middle and right sides.

[0013] As a preferred embodiment of the arc-edge bimetallic band saw blade provided by the present invention, the minimum distance between the left and right tooth edges of the continuously arranged cutting teeth and the side surface of the main body is 0.2mm-0.7mm.

[0014] As a preferred embodiment of the arc-edge bimetallic band saw blade provided by the present invention, the thickness of the bimetallic saw blade body is 0.5 mm-1.7 mm.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] The arc-edged bimetal band saw blade provided by the utility model has many advantages of adopting an arc structure: the blade length of the arc blade is longer than that of the traditional pointed-angle blade. Under the condition of the same cutting amount per unit blade length, the blade length of the arc blade is longer, and the amount of processed material removed is more, thereby improving the service life of the bimetal saw blade; compared with the pointed-angle structure, the arc structure greatly reduces the stress concentration phenomenon of the blade, reduces the brittleness of the blade, and improves the endurance of the blade. The saw blade can be slightly run-in during the initial use, or even without running-in, thereby increasing the stability of the saw blade and improving production efficiency; when the arc-edged saw blade cuts the object to be divided, an arc superimposed surface is formed on its surface, which is smoother than the pointed-angle structure, thereby improving the surface quality of the product to be divided. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the solutions in the present invention, a brief introduction will be given below to the drawings required for use in the description of the embodiments. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0018] Figure 1 This is a schematic diagram of the overall structure of the arc-edged bimetallic band saw blade provided by the utility model;

[0019] Figure 2 A top view of the overall structure of the arc-edged bimetallic band saw blade provided by the utility model;

[0020] Figure 3 This is a cross-sectional view of the circular arc blade bimetallic band saw blade provided by the utility model;

[0021] Figure 4 This is an enlarged view of the structure of the cutting teeth of the arc-edged bimetallic band saw blade provided by the present invention;

[0022] Figure 5 This is an enlarged side view of the structure of the cutting teeth of the arc-edged bimetallic band saw blade provided by the present invention;

[0023] Figure 6 It is a structural diagram of an existing bimetallic band saw blade;

[0024] Figure 7 It is a cross-sectional view of an existing bimetallic band saw blade.

[0025] The markings in the figure are as follows:

[0026] 1. Bimetallic saw blade body; 2. Cutting teeth; 3. Straight structure; 4. Arc structure. DETAILED DESCRIPTION

[0027] In order to help those skilled in the art better understand the present invention, the following will provide a clear and complete description of the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work should fall within the scope of protection of the present invention.

[0028] As described in the background technology, the existing bimetallic band saw blade structure is Figure 6 and Figure 7The two sides of the blade are described as A (pointed corners). During the actual cutting process, A (pointed corners) are easily broken, so the saw blade needs to be slowed down and run-in in the initial use. However, there is still a possibility of tooth pulling, resulting in unstable sawing performance. In addition, because A (pointed corners) are the contact point with the molded surface of the object being cut, they will leave scratches on the molded surface, resulting in a rough surface.

[0029] In order to solve this technical problem, the utility model provides a bimetallic band saw blade with an arc edge, which is applied to a bimetallic band saw blade.

[0030] Specifically, please refer to Figure 1 - Figure 3 , arc edge bimetal band saw blade specifically includes:

[0031] A bimetallic saw blade body 1, the side edge of the bimetallic saw blade body 1 is continuously arranged with cutting teeth 2; a straight line structure 3 is provided on the top of the cutting tooth 2, and an arc structure 4 is provided on the top of the cutting tooth 2 and at a position located on the side of the straight line structure 3, and the straight line structure 3 and the arc structure 4 are connected to each other at adjacent positions.

[0032] The arc-edged bimetal band saw blade provided by the utility model has many advantages of adopting an arc structure: the blade length of the arc blade is longer than that of the traditional pointed-angle blade. Under the condition of the same cutting amount per unit blade length, the blade length of the arc blade is longer, and the amount of processed material removed is more, thereby improving the service life of the bimetal saw blade; compared with the pointed-angle structure, the arc structure greatly reduces the stress concentration phenomenon of the blade, reduces the brittleness of the blade, and improves the endurance of the blade. The saw blade can be slightly run-in during the initial use, or even without running-in, thereby increasing the stability of the saw blade and improving production efficiency; when the arc-edged saw blade cuts the object to be divided, an arc superimposed surface is formed on its surface, which is smoother than the pointed-angle structure, thereby improving the surface quality of the product to be divided.

[0033] In order to enable those skilled in the art to better understand the solution of the present invention, the technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.

[0034] Example 1:

[0035] Please refer to Figure 1 - Figure 3 , a circular arc blade bimetal band saw blade, comprising:

[0036] A bimetallic saw blade body 1, the side edge of the bimetallic saw blade body 1 is continuously arranged with cutting teeth 2, wherein the spacing between two adjacent cutting teeth 2 is 4mm-34mm; a straight line structure 3 is provided at the top of the cutting tooth 2, and an arc structure 4 is provided at the top of the cutting tooth 2 and at the position on the side of the straight line structure 3, wherein the radius range of the arc structure 4 is 0.07mm-2mm, and the straight line structure 3 and the arc structure 4 are connected to each other at adjacent positions.

[0037] The blade's side features an arc-shaped structure 4. During the actual cutting process, this structure eliminates stress concentration and resists breakage. Therefore, the saw blade does not need to be slowed down for initial run-in, improving stability and productivity. Furthermore, because the arc-shaped structure 4 forms the contact point with the surface of the object being cut, it leaves overlapping arc-shaped scratches on the surface, smoothing the surface. This arc-shaped blade structure can be achieved through machining methods such as grinding, milling, and polishing.

[0038] The continuously arranged cutting teeth 2 are arranged in a straight line, and the thickness of the bimetallic saw blade body 1 is 0.5 mm to 1.7 mm.

[0039] Example 2:

[0040] The arc-edge bimetallic band saw blade provided in Example 1 is further optimized, specifically, Figure 1 As shown, the continuously arranged cutting teeth 2 are arranged on the left, middle and right sides. Further, the minimum distance between the left and right edges of the continuously arranged cutting teeth 2 and the side surface of the main body is 0.2mm-0.7mm.

[0041] Through the above structural design, the cutting teeth 2 arranged on the left, middle and right sides make the cutting contact surface smaller during the saw blade cutting process, thereby saving more effort.

Claims

1. A bimetallic band saw blade with an arc edge, characterized in that: include: A bimetallic saw blade body (1) is provided with cutting teeth (2) arranged in a continuous arrangement on the side edge of the bimetallic saw blade body (1); a straight structure (3) is provided on the top of the cutting teeth (2); an arc structure (4) is provided on the top of the cutting teeth (2) and at a position located on the side of the straight structure (3); and the straight structure (3) and the arc structure (4) are connected to each other at adjacent locations.

2. The arc-edge bimetallic band saw blade according to claim 1, characterized in that: The radius of the arc structure (4) ranges from 0.07 mm to 2 mm.

3. The arc-edge bimetallic band saw blade according to claim 2, characterized in that: The distance between two adjacent cutting teeth (2) is 4mm-34mm.

4. The arc-edge bimetallic band saw blade according to claim 1, characterized in that: The continuously arranged cutting teeth (2) are arranged in a straight line.

5. The arc-edge bimetallic band saw blade according to claim 1, characterized in that: The continuously arranged cutting teeth (2) are arranged on the left, middle and right sides.

6. The arc-edge bimetallic band saw blade according to claim 5, characterized in that: The minimum distance between the left and right tooth edges of the continuously arranged cutting teeth (2) and the side surface of the main body is 0.2mm-0.7mm.

7. The arc-edge bimetallic band saw blade according to claim 1, characterized in that: The thickness of the bimetallic saw blade body (1) is 0.5 mm to 1.7 mm.

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