Bimetal band saw blade with high cutting force

Abstract

The utility model discloses a bimetal band saw blade with high cutting force, and relates to the technical field of band saw blades, the bimetal band saw blade comprises a saw blade body and a plurality of saw teeth, each saw tooth comprises a rear reinforcing part, a tooth part rear cutter surface, an arc-shaped tooth groove, a front reinforcing part and a tooth part front cutter surface, and a heat conduction layer is fixedly arranged in the saw blade body. And each saw tooth is arranged above the heat conduction layer. According to the cutter, the rear reinforcing parts, the front reinforcing parts and the heat conduction layer are arranged, each rear reinforcing part is integrally connected with the corresponding tooth part rear cutter face, each front reinforcing part is integrally connected with the corresponding tooth part front cutter face, then the strength of the cutter can be enhanced, the cutting capacity and the cutting effect of the cutter are improved, and the service life of the cutter is prolonged. And the heat conduction layer can quickly conduct out heat in the sawteeth, so that deformation, embrittlement or toughness loss of the sawteeth caused by internal temperature of the sawteeth can be prevented, and the cutting capacity and the cutting effect of the cutter are further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of bandsaw blades, in particular to a bimetal bandsaw blade with high cutting force. Background Art

[0002] A bandsaw blade is composed of a tough and toothed saw blade tensioned in a frame, and is used for cutting metals and other shaped materials. The application of bandsaw blades is very extensive, and it is commonly used in machining industries, machinery manufacturing industries, automotive service industries, metal mining industries, etc.

[0003] After retrieval, a bimetal bandsaw blade for cutting die steel with the publication number of CN208230984U includes a saw blade body, and a plurality of saw teeth are formed on the saw blade body. The saw teeth are arranged in groups along the length direction of the saw blade body.

[0004] However, the existing bimetal bandsaw blades for cutting die steel have certain drawbacks when in use. The cutting saw blade has low strength during use, and it is impossible to strengthen the rigidity of the saw tooth part. Moreover, the internal temperature will rise sharply after the saw teeth rotate at high speed, and it is difficult for the saw blade to quickly conduct out the high temperature. As a result, the saw teeth may be deformed, become brittle or lose toughness, making it difficult to improve the cutting ability and cutting effect of the cutting saw blade. Content of the Utility Model

[0005] In view of the problems existing in the above-mentioned existing bimetal bandsaw blades for cutting die steel, the present utility model is proposed.

[0006] Therefore, the purpose of the present utility model is to provide a bimetal bandsaw blade with high cutting force, which solves the problems that the cutting saw blade has low strength during use, cannot strengthen the rigidity of the saw tooth part, the internal temperature will rise sharply after the saw teeth rotate at high speed, and it is difficult for the saw blade to quickly conduct out the high temperature, which may lead to deformation, brittleness or loss of toughness of the saw teeth, and thus it is difficult to improve the cutting ability and cutting effect of the cutting saw blade.

[0007] In order to achieve the above purpose, the present utility model provides the following technical solutions:

[0008] A bimetal bandsaw blade with high cutting force includes a saw blade body and a plurality of saw teeth. Each saw tooth includes a rear strengthening part, a rear flank of the tooth part, an arc-shaped tooth groove, a front strengthening part and a front flank of the tooth part. Each rear strengthening part is integrally connected to the corresponding rear flank of the tooth part, and each front strengthening part is integrally connected to the corresponding front flank of the tooth part. A heat conduction layer is fixedly arranged inside the saw blade body, and each saw tooth is arranged above the heat conduction layer.

[0009] Preferably, the saw blade body is a low-alloy spring steel strip, and each saw tooth is a high-speed steel tooth.

[0010] Preferably, a wear-resistant layer is fixedly arranged on the outer wall of the saw blade body, and the wear-resistant layer is a tungsten alloy layer.

[0011] Preferably, a plurality of heat dissipation holes are formed inside the saw blade body, and each heat dissipation hole is arranged below the corresponding saw tooth.

[0012] Preferably, the heat conduction layer is a copper base material layer.

[0013] Preferably, the top ends of each rear strengthening part and each front strengthening part are both conical.

[0014] In the above technical solution, the technical effects and advantages provided by the present utility model are as follows:

[0015] 1. In the present utility model, through the arranged rear strengthening part, front strengthening part and heat conduction layer, each rear strengthening part is integrally connected to the corresponding rear tool face of the tooth part, and each front strengthening part is integrally connected to the corresponding front tool face of the tooth part, so as to strengthen the strength of the cutting tool, improve the cutting ability and cutting effect of the cutting tool. The heat conduction layer can quickly export the heat inside a plurality of saw teeth, so as to prevent the saw teeth from deforming, becoming brittle or losing toughness due to the internal temperature of the saw teeth, thereby further improving the cutting ability and cutting effect of the cutting tool.

[0016] 2. In the present utility model, by using low alloy spring steel material to make the saw blade body and using high speed steel material to make the saw teeth, the low alloy spring steel material has high strength and hardness, and at the same time has good toughness and plasticity. The high speed steel material is a tool steel with high hardness, high wear resistance and high heat resistance, so as to improve the application range of the cutting tool, which can be used in combination with any type of band sawing machine and is suitable for almost all types of continuous sawing of metals.

[0017] 3. In the present utility model, through the arranged wear-resistant layer, a wear-resistant layer is fixedly arranged on the outer wall of the saw blade body, and the material of the wear-resistant layer is tungsten alloy material. The tungsten alloy material has a high hardness, usually between 8-9 on the Mohs hardness scale, and has good wear resistance, thereby improving the wear resistance of the cutting tool. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required to be used in the embodiments. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For those of ordinary skill in the art, other drawings can also be obtained according to these drawings.

[0019] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;

[0020] Figure 2For the present utility model Figure 1 Schematic cross-sectional structure diagram;

[0021] Figure 3 For the present utility model Figure 2 Enlarged view of part A.

[0022] Explanation of reference numerals in the drawings:

[0023] 1. Saw blade body; 2. Saw teeth; 3. Rear strengthening part; 4. Rear flank of tooth part; 5. Arc-shaped tooth groove; 6. Front strengthening part; 7. Front flank of tooth part; 8. Heat-conducting layer; 9. Wear-resistant layer; 10. Heat dissipation holes. Specific embodiments

[0024] In order to enable those skilled in the art to better understand the technical solution of the present utility model, the present utility model will be further described in detail below with reference to the accompanying drawings.

[0025] An embodiment of the present utility model discloses a bimetal band saw blade with high cutting force.

[0026] The present utility model provides a bimetal band saw blade with high cutting force as shown in Figures 1 - 3 , including a saw blade body 1 and a plurality of saw teeth 2. Each saw tooth 2 includes a rear strengthening part 3, a rear flank 4 of the tooth part, an arc-shaped tooth groove 5, a front strengthening part 6 and a front flank 7 of the tooth part. Each rear strengthening part 3 is integrally connected to the corresponding rear flank 4 of the tooth part, and each front strengthening part 6 is integrally connected to the corresponding front flank 7 of the tooth part. A heat-conducting layer 8 is fixedly arranged inside the saw blade body 1, and each saw tooth 2 is arranged above the heat-conducting layer 8. By using the arranged rear strengthening part 3, front strengthening part 6 and heat-conducting layer 8, the strength of the cutting tool can be strengthened, the cutting ability and cutting effect of the cutting tool are improved, and the heat-conducting layer 8 can quickly conduct the heat inside the plurality of saw teeth 2, thereby preventing the saw teeth 2 from deforming, becoming brittle or losing toughness due to the internal temperature of the saw teeth 2, and further improving the cutting ability and cutting effect of the cutting tool.

[0027] In order to improve the application range of the cutting tool, it can be used in combination with any type of band sawing machine and is suitable for almost all types of continuous sawing of metals. As shown in Figures 2 - 3 , the saw blade body 1 is a low-alloy spring steel strip, and each saw tooth 2 is a high-speed steel tooth, so as to improve the application range of the cutting tool, which can be used in combination with any type of band sawing machine and is suitable for almost all types of continuous sawing of metals.

[0028] In order to improve the wear resistance of the cutting tool, as shown in Figures 1 - 3 , a wear-resistant layer 9 is fixedly arranged on the outer wall of the saw blade body 1. The wear-resistant layer 9 is a tungsten alloy layer. By using the arranged wear-resistant layer 9, the wear resistance of the cutting tool can be improved.

[0029] In order to dissipate heat from the area below the saw teeth 2 and further prevent the saw teeth 2 from deforming, becoming brittle or losing toughness due to the temperature inside the saw teeth, thereby improving the cutting ability and cutting efficiency of the cutting tool, as Figures 2 - 3 shown, a plurality of heat dissipation holes 10 are formed inside the saw blade body 1, and each heat dissipation hole 10 is disposed below the corresponding saw tooth 2. By using the provided heat dissipation holes 10, heat can be dissipated from the area below the saw teeth 2, further preventing the saw teeth 2 from deforming, becoming brittle or losing toughness due to the temperature inside the saw teeth, thereby improving the cutting ability and cutting efficiency of the cutting tool.

[0030] In order to ensure that the heat conduction layer 8 can have a high heat conduction ability, as Figures 2 - 3 shown, the heat conduction layer 8 is a copper base material layer, and the copper base material layer has a high heat conduction ability, thereby ensuring that the heat conduction layer 8 can have a high heat conduction ability.

[0031] Finally, in order to facilitate the cutting of an object by a plurality of rear strengthening portions 3 and a plurality of front strengthening portions 6, as Figures 1 - 3 shown, the top ends of each rear strengthening portion 3 and each front strengthening portion 6 are tapered, thereby facilitating the cutting of an object by a plurality of rear strengthening portions 3 and a plurality of front strengthening portions 6.

[0032] Only some exemplary embodiments of the present invention have been described by way of illustration above. Undoubtedly, for those of ordinary skill in the art, without departing from the spirit and scope of the present invention, the described embodiments can be modified in various different ways. Therefore, the above drawings and description are illustrative in nature and should not be construed as limiting the scope of the claims of the present invention.

Claims

1. A bimetallic band saw blade with high cutting force, comprising a saw blade body (1) and a plurality of saw teeth (2), characterized in that: Each of the saw teeth (2) comprises a rear reinforcement portion (3), a tooth rear blade surface (4), an arc-shaped tooth groove (5), a front reinforcement portion (6) and a tooth front blade surface (7); each of the rear reinforcement portion (3) is integrally connected to the corresponding tooth rear blade surface (4); each of the front reinforcement portion (6) is integrally connected to the corresponding tooth front blade surface (7); a heat-conducting layer (8) is fixedly arranged inside the saw blade body (1); and each of the saw teeth (2) is arranged above the heat-conducting layer (8).

2. A bimetallic band saw blade with high cutting force according to claim 1, characterized in that: The saw blade body (1) is a low alloy spring steel bar, and each of the saw teeth (2) is a high-speed steel tooth.

3. A bimetallic band saw blade with high cutting force according to claim 1, characterized in that: The outer wall of the saw blade body (1) is fixedly provided with a wear-resistant layer (9), and the wear-resistant layer (9) is a tungsten alloy layer.

4. A bimetallic band saw blade with high cutting force according to claim 1, characterized in that: A plurality of heat dissipation holes (10) are provided inside the saw blade body (1), and each heat dissipation hole (10) is arranged below a corresponding saw tooth (2).

5. A bimetallic band saw blade with high cutting force according to claim 1, characterized in that: The heat conducting layer (8) is a copper substrate layer.

6. A bimetallic band saw blade with high cutting force according to claim 1, characterized in that: The top end of each of the rear reinforcement parts (3) and each of the front reinforcement parts (6) is tapered.

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